From: florian Date: Thu, 4 Feb 2010 14:35:21 +0000 (+0000) Subject: [ar7] move files to file-2.6.30 X-Git-Url: https://git.rohieb.name/openwrt.git/commitdiff_plain/5ccc04ff5ce441af1450508485b0b019d17fea94 [ar7] move files to file-2.6.30 git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19518 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- diff --git a/target/linux/ar7/files-2.6.30/arch/mips/ar7/Makefile b/target/linux/ar7/files-2.6.30/arch/mips/ar7/Makefile new file mode 100644 index 000000000..7435e44b3 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/arch/mips/ar7/Makefile @@ -0,0 +1,10 @@ + +obj-y := \ + prom.o \ + setup.o \ + memory.o \ + irq.o \ + time.o \ + platform.o \ + gpio.o \ + clock.o diff --git a/target/linux/ar7/files-2.6.30/arch/mips/ar7/clock.c b/target/linux/ar7/files-2.6.30/arch/mips/ar7/clock.c new file mode 100644 index 000000000..25e6b7326 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/arch/mips/ar7/clock.c @@ -0,0 +1,483 @@ +/* + * Copyright (C) 2007 Felix Fietkau + * Copyright (C) 2007 Eugene Konev + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include + +#define BOOT_PLL_SOURCE_MASK 0x3 +#define CPU_PLL_SOURCE_SHIFT 16 +#define BUS_PLL_SOURCE_SHIFT 14 +#define USB_PLL_SOURCE_SHIFT 18 +#define DSP_PLL_SOURCE_SHIFT 22 +#define BOOT_PLL_SOURCE_AFE 0 +#define BOOT_PLL_SOURCE_BUS 0 +#define BOOT_PLL_SOURCE_REF 1 +#define BOOT_PLL_SOURCE_XTAL 2 +#define BOOT_PLL_SOURCE_CPU 3 +#define BOOT_PLL_BYPASS 0x00000020 +#define BOOT_PLL_ASYNC_MODE 0x02000000 +#define BOOT_PLL_2TO1_MODE 0x00008000 + +#define TNETD7200_CLOCK_ID_CPU 0 +#define TNETD7200_CLOCK_ID_DSP 1 +#define TNETD7200_CLOCK_ID_USB 2 + +#define TNETD7200_DEF_CPU_CLK 211000000 +#define TNETD7200_DEF_DSP_CLK 125000000 +#define TNETD7200_DEF_USB_CLK 48000000 + +struct tnetd7300_clock { + u32 ctrl; +#define PREDIV_MASK 0x001f0000 +#define PREDIV_SHIFT 16 +#define POSTDIV_MASK 0x0000001f + u32 unused1[3]; + u32 pll; +#define MUL_MASK 0x0000f000 +#define MUL_SHIFT 12 +#define PLL_MODE_MASK 0x00000001 +#define PLL_NDIV 0x00000800 +#define PLL_DIV 0x00000002 +#define PLL_STATUS 0x00000001 + u32 unused2[3]; +}; + +struct tnetd7300_clocks { + struct tnetd7300_clock bus; + struct tnetd7300_clock cpu; + struct tnetd7300_clock usb; + struct tnetd7300_clock dsp; +}; + +struct tnetd7200_clock { + u32 ctrl; + u32 unused1[3]; +#define DIVISOR_ENABLE_MASK 0x00008000 + u32 mul; + u32 prediv; + u32 postdiv; + u32 postdiv2; + u32 unused2[6]; + u32 cmd; + u32 status; + u32 cmden; + u32 padding[15]; +}; + +struct tnetd7200_clocks { + struct tnetd7200_clock cpu; + struct tnetd7200_clock dsp; + struct tnetd7200_clock usb; +}; + +int ar7_cpu_clock = 150000000; +EXPORT_SYMBOL(ar7_cpu_clock); +int ar7_bus_clock = 125000000; +EXPORT_SYMBOL(ar7_bus_clock); +int ar7_dsp_clock; +EXPORT_SYMBOL(ar7_dsp_clock); + +static int gcd(int a, int b) +{ + int c; + + if (a < b) { + c = a; + a = b; + b = c; + } + while ((c = (a % b))) { + a = b; + b = c; + } + return b; +} + +static void approximate(int base, int target, int *prediv, + int *postdiv, int *mul) +{ + int i, j, k, freq, res = target; + for (i = 1; i <= 16; i++) + for (j = 1; j <= 32; j++) + for (k = 1; k <= 32; k++) { + freq = abs(base / j * i / k - target); + if (freq < res) { + res = freq; + *mul = i; + *prediv = j; + *postdiv = k; + } + } +} + +static void calculate(int base, int target, int *prediv, int *postdiv, + int *mul) +{ + int tmp_gcd, tmp_base, tmp_freq; + + for (*prediv = 1; *prediv <= 32; (*prediv)++) { + tmp_base = base / *prediv; + tmp_gcd = gcd(target, tmp_base); + *mul = target / tmp_gcd; + *postdiv = tmp_base / tmp_gcd; + if ((*mul < 1) || (*mul >= 16)) + continue; + if ((*postdiv > 0) & (*postdiv <= 32)) + break; + } + + if (base / (*prediv) * (*mul) / (*postdiv) != target) { + approximate(base, target, prediv, postdiv, mul); + tmp_freq = base / (*prediv) * (*mul) / (*postdiv); + printk(KERN_WARNING + "Adjusted requested frequency %d to %d\n", + target, tmp_freq); + } + + printk(KERN_DEBUG "Clocks: prediv: %d, postdiv: %d, mul: %d\n", + *prediv, *postdiv, *mul); +} + +static int tnetd7300_dsp_clock(void) +{ + u32 didr1, didr2; + u8 rev = ar7_chip_rev(); + didr1 = readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x18)); + didr2 = readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x1c)); + if (didr2 & (1 << 23)) + return 0; + if ((rev >= 0x23) && (rev != 0x57)) + return 250000000; + if ((((didr2 & 0x1fff) << 10) | ((didr1 & 0xffc00000) >> 22)) + > 4208000) + return 250000000; + return 0; +} + +static int tnetd7300_get_clock(u32 shift, struct tnetd7300_clock *clock, + u32 *bootcr, u32 bus_clock) +{ + int product; + int base_clock = AR7_REF_CLOCK; + u32 ctrl = readl(&clock->ctrl); + u32 pll = readl(&clock->pll); + int prediv = ((ctrl & PREDIV_MASK) >> PREDIV_SHIFT) + 1; + int postdiv = (ctrl & POSTDIV_MASK) + 1; + int divisor = prediv * postdiv; + int mul = ((pll & MUL_MASK) >> MUL_SHIFT) + 1; + + switch ((*bootcr & (BOOT_PLL_SOURCE_MASK << shift)) >> shift) { + case BOOT_PLL_SOURCE_BUS: + base_clock = bus_clock; + break; + case BOOT_PLL_SOURCE_REF: + base_clock = AR7_REF_CLOCK; + break; + case BOOT_PLL_SOURCE_XTAL: + base_clock = AR7_XTAL_CLOCK; + break; + case BOOT_PLL_SOURCE_CPU: + base_clock = ar7_cpu_clock; + break; + } + + if (*bootcr & BOOT_PLL_BYPASS) + return base_clock / divisor; + + if ((pll & PLL_MODE_MASK) == 0) + return (base_clock >> (mul / 16 + 1)) / divisor; + + if ((pll & (PLL_NDIV | PLL_DIV)) == (PLL_NDIV | PLL_DIV)) { + product = (mul & 1) ? + (base_clock * mul) >> 1 : + (base_clock * (mul - 1)) >> 2; + return product / divisor; + } + + if (mul == 16) + return base_clock / divisor; + + return base_clock * mul / divisor; +} + +static void tnetd7300_set_clock(u32 shift, struct tnetd7300_clock *clock, + u32 *bootcr, u32 frequency) +{ + int prediv, postdiv, mul; + int base_clock = ar7_bus_clock; + + switch ((*bootcr & (BOOT_PLL_SOURCE_MASK << shift)) >> shift) { + case BOOT_PLL_SOURCE_BUS: + base_clock = ar7_bus_clock; + break; + case BOOT_PLL_SOURCE_REF: + base_clock = AR7_REF_CLOCK; + break; + case BOOT_PLL_SOURCE_XTAL: + base_clock = AR7_XTAL_CLOCK; + break; + case BOOT_PLL_SOURCE_CPU: + base_clock = ar7_cpu_clock; + break; + } + + calculate(base_clock, frequency, &prediv, &postdiv, &mul); + + writel(((prediv - 1) << PREDIV_SHIFT) | (postdiv - 1), &clock->ctrl); + mdelay(1); + writel(4, &clock->pll); + while (readl(&clock->pll) & PLL_STATUS); + writel(((mul - 1) << MUL_SHIFT) | (0xff << 3) | 0x0e, &clock->pll); + mdelay(75); +} + +static void __init tnetd7300_init_clocks(void) +{ + u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); + struct tnetd7300_clocks *clocks = + (struct tnetd7300_clocks *) + ioremap_nocache(AR7_REGS_POWER + 0x20, + sizeof(struct tnetd7300_clocks)); + + ar7_bus_clock = tnetd7300_get_clock(BUS_PLL_SOURCE_SHIFT, + &clocks->bus, bootcr, AR7_AFE_CLOCK); + + if (*bootcr & BOOT_PLL_ASYNC_MODE) + ar7_cpu_clock = tnetd7300_get_clock(CPU_PLL_SOURCE_SHIFT, + &clocks->cpu, bootcr, AR7_AFE_CLOCK); + else + ar7_cpu_clock = ar7_bus_clock; +/* + tnetd7300_set_clock(USB_PLL_SOURCE_SHIFT, &clocks->usb, + bootcr, 48000000); +*/ + if (ar7_dsp_clock == 250000000) + tnetd7300_set_clock(DSP_PLL_SOURCE_SHIFT, &clocks->dsp, + bootcr, ar7_dsp_clock); + + iounmap(clocks); + iounmap(bootcr); +} + +static int tnetd7200_get_clock(int base, struct tnetd7200_clock *clock, + u32 *bootcr, u32 bus_clock) +{ + int divisor = ((readl(&clock->prediv) & 0x1f) + 1) * + ((readl(&clock->postdiv) & 0x1f) + 1); + + if (*bootcr & BOOT_PLL_BYPASS) + return base / divisor; + + return base * ((readl(&clock->mul) & 0xf) + 1) / divisor; +} + + +static void tnetd7200_set_clock(int base, struct tnetd7200_clock *clock, + int prediv, int postdiv, int postdiv2, int mul, u32 frequency) +{ + printk(KERN_INFO + "Clocks: base = %d, frequency = %u, prediv = %d, " + "postdiv = %d, postdiv2 = %d, mul = %d\n", + base, frequency, prediv, postdiv, postdiv2, mul); + + writel(0, &clock->ctrl); + writel(DIVISOR_ENABLE_MASK | ((prediv - 1) & 0x1F), &clock->prediv); + writel((mul - 1) & 0xF, &clock->mul); + + for (mul = 0; mul < 2000; mul++) /* nop */; + + while (readl(&clock->status) & 0x1) /* nop */; + + writel(DIVISOR_ENABLE_MASK | ((postdiv - 1) & 0x1F), &clock->postdiv); + + writel(readl(&clock->cmden) | 1, &clock->cmden); + writel(readl(&clock->cmd) | 1, &clock->cmd); + + while (readl(&clock->status) & 0x1) /* nop */; + + writel(DIVISOR_ENABLE_MASK | ((postdiv2 - 1) & 0x1F), &clock->postdiv2); + + writel(readl(&clock->cmden) | 1, &clock->cmden); + writel(readl(&clock->cmd) | 1, &clock->cmd); + + while (readl(&clock->status) & 0x1) /* nop */; + + writel(readl(&clock->ctrl) | 1, &clock->ctrl); +} + +static int tnetd7200_get_clock_base(int clock_id, u32 *bootcr) +{ + if (*bootcr & BOOT_PLL_ASYNC_MODE) + /* Async */ + switch (clock_id) { + case TNETD7200_CLOCK_ID_DSP: + return AR7_REF_CLOCK; + default: + return AR7_AFE_CLOCK; + } + else + /* Sync */ + if (*bootcr & BOOT_PLL_2TO1_MODE) + /* 2:1 */ + switch (clock_id) { + case TNETD7200_CLOCK_ID_DSP: + return AR7_REF_CLOCK; + default: + return AR7_AFE_CLOCK; + } + else + /* 1:1 */ + return AR7_REF_CLOCK; +} + + +static void __init tnetd7200_init_clocks(void) +{ + u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); + struct tnetd7200_clocks *clocks = + (struct tnetd7200_clocks *) + ioremap_nocache(AR7_REGS_POWER + 0x80, + sizeof(struct tnetd7200_clocks)); + int cpu_base, cpu_mul, cpu_prediv, cpu_postdiv; + int dsp_base, dsp_mul, dsp_prediv, dsp_postdiv; + int usb_base, usb_mul, usb_prediv, usb_postdiv; + +/* + Log from Fritz!Box 7170 Annex B: + + CPU revision is: 00018448 + Clocks: Async mode + Clocks: Setting DSP clock + Clocks: prediv: 1, postdiv: 1, mul: 5 + Clocks: base = 25000000, frequency = 125000000, prediv = 1, + postdiv = 2, postdiv2 = 1, mul = 10 + Clocks: Setting CPU clock + Adjusted requested frequency 211000000 to 211968000 + Clocks: prediv: 1, postdiv: 1, mul: 6 + Clocks: base = 35328000, frequency = 211968000, prediv = 1, + postdiv = 1, postdiv2 = -1, mul = 6 + Clocks: Setting USB clock + Adjusted requested frequency 48000000 to 48076920 + Clocks: prediv: 13, postdiv: 1, mul: 5 + Clocks: base = 125000000, frequency = 48000000, prediv = 13, + postdiv = 1, postdiv2 = -1, mul = 5 + + DSL didn't work if you didn't set the postdiv 2:1 postdiv2 combination, + driver hung on startup. + Haven't tested this on a synchronous board, + neither do i know what to do with ar7_dsp_clock +*/ + + cpu_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_CPU, bootcr); + dsp_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_DSP, bootcr); + + if (*bootcr & BOOT_PLL_ASYNC_MODE) { + printk(KERN_INFO "Clocks: Async mode\n"); + + printk(KERN_INFO "Clocks: Setting DSP clock\n"); + calculate(dsp_base, TNETD7200_DEF_DSP_CLK, + &dsp_prediv, &dsp_postdiv, &dsp_mul); + ar7_bus_clock = + ((dsp_base / dsp_prediv) * dsp_mul) / dsp_postdiv; + tnetd7200_set_clock(dsp_base, &clocks->dsp, + dsp_prediv, dsp_postdiv * 2, dsp_postdiv, dsp_mul * 2, + ar7_bus_clock); + + printk(KERN_INFO "Clocks: Setting CPU clock\n"); + calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, + &cpu_postdiv, &cpu_mul); + ar7_cpu_clock = + ((cpu_base / cpu_prediv) * cpu_mul) / cpu_postdiv; + tnetd7200_set_clock(cpu_base, &clocks->cpu, + cpu_prediv, cpu_postdiv, -1, cpu_mul, + ar7_cpu_clock); + + } else + if (*bootcr & BOOT_PLL_2TO1_MODE) { + printk(KERN_INFO "Clocks: Sync 2:1 mode\n"); + + printk(KERN_INFO "Clocks: Setting CPU clock\n"); + calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, + &cpu_postdiv, &cpu_mul); + ar7_cpu_clock = ((cpu_base / cpu_prediv) * cpu_mul) + / cpu_postdiv; + tnetd7200_set_clock(cpu_base, &clocks->cpu, + cpu_prediv, cpu_postdiv, -1, cpu_mul, + ar7_cpu_clock); + + printk(KERN_INFO "Clocks: Setting DSP clock\n"); + calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, + &dsp_postdiv, &dsp_mul); + ar7_bus_clock = ar7_cpu_clock / 2; + tnetd7200_set_clock(dsp_base, &clocks->dsp, + dsp_prediv, dsp_postdiv * 2, dsp_postdiv, + dsp_mul * 2, ar7_bus_clock); + } else { + printk(KERN_INFO "Clocks: Sync 1:1 mode\n"); + + printk(KERN_INFO "Clocks: Setting DSP clock\n"); + calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, + &dsp_postdiv, &dsp_mul); + ar7_bus_clock = ((dsp_base / dsp_prediv) * dsp_mul) + / dsp_postdiv; + tnetd7200_set_clock(dsp_base, &clocks->dsp, + dsp_prediv, dsp_postdiv * 2, dsp_postdiv, + dsp_mul * 2, ar7_bus_clock); + + ar7_cpu_clock = ar7_bus_clock; + } + + printk(KERN_INFO "Clocks: Setting USB clock\n"); + usb_base = ar7_bus_clock; + calculate(usb_base, TNETD7200_DEF_USB_CLK, &usb_prediv, + &usb_postdiv, &usb_mul); + tnetd7200_set_clock(usb_base, &clocks->usb, + usb_prediv, usb_postdiv, -1, usb_mul, + TNETD7200_DEF_USB_CLK); + + #warning FIXME + ar7_dsp_clock = ar7_cpu_clock; + + iounmap(clocks); + iounmap(bootcr); +} + +void __init ar7_init_clocks(void) +{ + switch (ar7_chip_id()) { + case AR7_CHIP_7100: +#warning FIXME: Check if the new 7200 clock init works for 7100 + tnetd7200_init_clocks(); + break; + case AR7_CHIP_7200: + tnetd7200_init_clocks(); + break; + case AR7_CHIP_7300: + ar7_dsp_clock = tnetd7300_dsp_clock(); + tnetd7300_init_clocks(); + break; + default: + break; + } +} diff --git a/target/linux/ar7/files-2.6.30/arch/mips/ar7/gpio.c b/target/linux/ar7/files-2.6.30/arch/mips/ar7/gpio.c new file mode 100644 index 000000000..56860f46d --- /dev/null +++ b/target/linux/ar7/files-2.6.30/arch/mips/ar7/gpio.c @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2007 Felix Fietkau + * Copyright (C) 2007 Eugene Konev + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +#include + +static const char *ar7_gpio_list[TITAN_GPIO_MAX]; + +int gpio_request(unsigned gpio, const char *label) +{ + if (gpio >= (ar7_is_titan() ? TITAN_GPIO_MAX : AR7_GPIO_MAX)) + return -EINVAL; + + if (ar7_gpio_list[gpio]) + return -EBUSY; + + if (label) { + ar7_gpio_list[gpio] = label; + } else { + ar7_gpio_list[gpio] = "busy"; + } + + return 0; +} +EXPORT_SYMBOL(gpio_request); + +void gpio_free(unsigned gpio) +{ + BUG_ON(!ar7_gpio_list[gpio]); + ar7_gpio_list[gpio] = NULL; +} +EXPORT_SYMBOL(gpio_free); diff --git a/target/linux/ar7/files-2.6.30/arch/mips/ar7/irq.c b/target/linux/ar7/files-2.6.30/arch/mips/ar7/irq.c new file mode 100644 index 000000000..6bb183641 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/arch/mips/ar7/irq.c @@ -0,0 +1,183 @@ +/* + * Copyright (C) 2006,2007 Felix Fietkau + * Copyright (C) 2006,2007 Eugene Konev + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +#include +#include +#include + +#define EXCEPT_OFFSET 0x80 +#define PACE_OFFSET 0xA0 +#define CHNLS_OFFSET 0x200 + +#define REG_OFFSET(irq, reg) ((irq) / 32 * 0x4 + reg * 0x10) +#define SEC_REG_OFFSET(reg) (EXCEPT_OFFSET + reg * 0x8) +#define SEC_SR_OFFSET (SEC_REG_OFFSET(0)) /* 0x80 */ +#define CR_OFFSET(irq) (REG_OFFSET(irq, 1)) /* 0x10 */ +#define SEC_CR_OFFSET (SEC_REG_OFFSET(1)) /* 0x88 */ +#define ESR_OFFSET(irq) (REG_OFFSET(irq, 2)) /* 0x20 */ +#define SEC_ESR_OFFSET (SEC_REG_OFFSET(2)) /* 0x90 */ +#define ECR_OFFSET(irq) (REG_OFFSET(irq, 3)) /* 0x30 */ +#define SEC_ECR_OFFSET (SEC_REG_OFFSET(3)) /* 0x98 */ +#define PIR_OFFSET (0x40) +#define MSR_OFFSET (0x44) +#define PM_OFFSET(irq) (REG_OFFSET(irq, 5)) /* 0x50 */ +#define TM_OFFSET(irq) (REG_OFFSET(irq, 6)) /* 0x60 */ + +#define REG(addr) ((u32 *)(KSEG1ADDR(AR7_REGS_IRQ) + addr)) + +#define CHNL_OFFSET(chnl) (CHNLS_OFFSET + (chnl * 4)) + +static void ar7_unmask_irq(unsigned int irq_nr); +static void ar7_mask_irq(unsigned int irq_nr); +static void ar7_ack_irq(unsigned int irq_nr); +static void ar7_unmask_sec_irq(unsigned int irq_nr); +static void ar7_mask_sec_irq(unsigned int irq_nr); +static void ar7_ack_sec_irq(unsigned int irq_nr); +static void ar7_cascade(void); +static void ar7_irq_init(int base); +static int ar7_irq_base; + +static struct irq_chip ar7_irq_type = { + .name = "AR7", + .unmask = ar7_unmask_irq, + .mask = ar7_mask_irq, + .ack = ar7_ack_irq +}; + +static struct irq_chip ar7_sec_irq_type = { + .name = "AR7", + .unmask = ar7_unmask_sec_irq, + .mask = ar7_mask_sec_irq, + .ack = ar7_ack_sec_irq, +}; + +static struct irqaction ar7_cascade_action = { + .handler = no_action, + .name = "AR7 cascade interrupt" +}; + +static void ar7_unmask_irq(unsigned int irq) +{ + writel(1 << ((irq - ar7_irq_base) % 32), + REG(ESR_OFFSET(irq - ar7_irq_base))); +} + +static void ar7_mask_irq(unsigned int irq) +{ + writel(1 << ((irq - ar7_irq_base) % 32), + REG(ECR_OFFSET(irq - ar7_irq_base))); +} + +static void ar7_ack_irq(unsigned int irq) +{ + writel(1 << ((irq - ar7_irq_base) % 32), + REG(CR_OFFSET(irq - ar7_irq_base))); +} + +static void ar7_unmask_sec_irq(unsigned int irq) +{ + writel(1 << (irq - ar7_irq_base - 40), REG(SEC_ESR_OFFSET)); +} + +static void ar7_mask_sec_irq(unsigned int irq) +{ + writel(1 << (irq - ar7_irq_base - 40), REG(SEC_ECR_OFFSET)); +} + +static void ar7_ack_sec_irq(unsigned int irq) +{ + writel(1 << (irq - ar7_irq_base - 40), REG(SEC_CR_OFFSET)); +} + +void __init arch_init_irq(void) { + mips_cpu_irq_init(); + ar7_irq_init(8); +} + +static void __init ar7_irq_init(int base) +{ + int i; + /* + * Disable interrupts and clear pending + */ + writel(0xffffffff, REG(ECR_OFFSET(0))); + writel(0xff, REG(ECR_OFFSET(32))); + writel(0xffffffff, REG(SEC_ECR_OFFSET)); + writel(0xffffffff, REG(CR_OFFSET(0))); + writel(0xff, REG(CR_OFFSET(32))); + writel(0xffffffff, REG(SEC_CR_OFFSET)); + + ar7_irq_base = base; + + for (i = 0; i < 40; i++) { + writel(i, REG(CHNL_OFFSET(i))); + /* Primary IRQ's */ + set_irq_chip_and_handler(base + i, &ar7_irq_type, + handle_level_irq); + /* Secondary IRQ's */ + if (i < 32) + set_irq_chip_and_handler(base + i + 40, + &ar7_sec_irq_type, + handle_level_irq); + } + + setup_irq(2, &ar7_cascade_action); + setup_irq(ar7_irq_base, &ar7_cascade_action); + set_c0_status(IE_IRQ0); +} + +static void ar7_cascade(void) +{ + u32 status; + int i, irq; + + /* Primary IRQ's */ + irq = readl(REG(PIR_OFFSET)) & 0x3f; + if (irq) { + do_IRQ(ar7_irq_base + irq); + return; + } + + /* Secondary IRQ's are cascaded through primary '0' */ + writel(1, REG(CR_OFFSET(irq))); + status = readl(REG(SEC_SR_OFFSET)); + for (i = 0; i < 32; i++) { + if (status & 1) { + do_IRQ(ar7_irq_base + i + 40); + return; + } + status >>= 1; + } + + spurious_interrupt(); +} + +asmlinkage void plat_irq_dispatch(void) +{ + unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; + if (pending & STATUSF_IP7) /* cpu timer */ + do_IRQ(7); + else if (pending & STATUSF_IP2) /* int0 hardware line */ + ar7_cascade(); + else + spurious_interrupt(); +} diff --git a/target/linux/ar7/files-2.6.30/arch/mips/ar7/memory.c b/target/linux/ar7/files-2.6.30/arch/mips/ar7/memory.c new file mode 100644 index 000000000..e8522a174 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/arch/mips/ar7/memory.c @@ -0,0 +1,74 @@ +/* + * Based on arch/mips/mm/init.c + * Copyright (C) 1994 - 2000 Ralf Baechle + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. + * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include + +static int __init memsize(void) +{ + u32 size = (64 << 20); + u32 *addr = (u32 *)KSEG1ADDR(0x14000000 + size - 4); + u32 *kernel_end = (u32 *)KSEG1ADDR(CPHYSADDR((u32)&_end)); + u32 *tmpaddr = addr; + + while (tmpaddr > kernel_end) { + *tmpaddr = (u32)tmpaddr; + size >>= 1; + tmpaddr -= size >> 2; + } + + do { + tmpaddr += size >> 2; + if (*tmpaddr != (u32)tmpaddr) + break; + size <<= 1; + } while (size < (64 << 20)); + + writel(tmpaddr, &addr); + + return size; +} + +void __init prom_meminit(void) +{ + unsigned long pages; + + pages = memsize() >> PAGE_SHIFT; + add_memory_region(PHYS_OFFSET, pages << PAGE_SHIFT, + BOOT_MEM_RAM); +} + +void __init prom_free_prom_memory(void) +{ + return; +} diff --git a/target/linux/ar7/files-2.6.30/arch/mips/ar7/platform.c b/target/linux/ar7/files-2.6.30/arch/mips/ar7/platform.c new file mode 100644 index 000000000..b636216a3 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/arch/mips/ar7/platform.c @@ -0,0 +1,535 @@ +/* + * Copyright (C) 2006,2007 Felix Fietkau + * Copyright (C) 2006,2007 Eugene Konev + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +struct plat_vlynq_data { + struct plat_vlynq_ops ops; + int gpio_bit; + int reset_bit; +}; + + +static int vlynq_on(struct vlynq_device *dev) +{ + int result; + struct plat_vlynq_data *pdata = dev->dev.platform_data; + + if ((result = gpio_request(pdata->gpio_bit, "vlynq"))) + goto out; + + ar7_device_reset(pdata->reset_bit); + + if ((result = ar7_gpio_disable(pdata->gpio_bit))) + goto out_enabled; + + if ((result = ar7_gpio_enable(pdata->gpio_bit))) + goto out_enabled; + + if ((result = gpio_direction_output(pdata->gpio_bit, 0))) + goto out_gpio_enabled; + + mdelay(50); + + gpio_set_value(pdata->gpio_bit, 1); + mdelay(50); + + return 0; + +out_gpio_enabled: + ar7_gpio_disable(pdata->gpio_bit); +out_enabled: + ar7_device_disable(pdata->reset_bit); + gpio_free(pdata->gpio_bit); +out: + return result; +} + +static void vlynq_off(struct vlynq_device *dev) +{ + struct plat_vlynq_data *pdata = dev->dev.platform_data; + ar7_gpio_disable(pdata->gpio_bit); + gpio_free(pdata->gpio_bit); + ar7_device_disable(pdata->reset_bit); +} + +static struct resource physmap_flash_resource = { + .name = "mem", + .flags = IORESOURCE_MEM, + .start = 0x10000000, + .end = 0x107fffff, +}; + +static struct resource cpmac_low_res[] = { + { + .name = "regs", + .flags = IORESOURCE_MEM, + .start = AR7_REGS_MAC0, + .end = AR7_REGS_MAC0 + 0x7ff, + }, + { + .name = "irq", + .flags = IORESOURCE_IRQ, + .start = 27, + .end = 27, + }, +}; + +static struct resource cpmac_high_res[] = { + { + .name = "regs", + .flags = IORESOURCE_MEM, + .start = AR7_REGS_MAC1, + .end = AR7_REGS_MAC1 + 0x7ff, + }, + { + .name = "irq", + .flags = IORESOURCE_IRQ, + .start = 41, + .end = 41, + }, +}; + +static struct resource vlynq_low_res[] = { + { + .name = "regs", + .flags = IORESOURCE_MEM, + .start = AR7_REGS_VLYNQ0, + .end = AR7_REGS_VLYNQ0 + 0xff, + }, + { + .name = "irq", + .flags = IORESOURCE_IRQ, + .start = 29, + .end = 29, + }, + { + .name = "mem", + .flags = IORESOURCE_MEM, + .start = 0x04000000, + .end = 0x04ffffff, + }, + { + .name = "devirq", + .flags = IORESOURCE_IRQ, + .start = 80, + .end = 111, + }, +}; + +static struct resource vlynq_high_res[] = { + { + .name = "regs", + .flags = IORESOURCE_MEM, + .start = AR7_REGS_VLYNQ1, + .end = AR7_REGS_VLYNQ1 + 0xff, + }, + { + .name = "irq", + .flags = IORESOURCE_IRQ, + .start = 33, + .end = 33, + }, + { + .name = "mem", + .flags = IORESOURCE_MEM, + .start = 0x0c000000, + .end = 0x0cffffff, + }, + { + .name = "devirq", + .flags = IORESOURCE_IRQ, + .start = 112, + .end = 143, + }, +}; + +static struct resource usb_res[] = { + { + .name = "regs", + .flags = IORESOURCE_MEM, + .start = AR7_REGS_USB, + .end = AR7_REGS_USB + 0xff, + }, + { + .name = "irq", + .flags = IORESOURCE_IRQ, + .start = 32, + .end = 32, + }, + { + .name = "mem", + .flags = IORESOURCE_MEM, + .start = 0x03400000, + .end = 0x034001fff, + }, +}; + +static struct physmap_flash_data physmap_flash_data = { + .width = 2, +}; + +static struct plat_cpmac_data cpmac_low_data = { + .reset_bit = 17, + .power_bit = 20, + .phy_mask = 0x80000000, +}; + +static struct plat_cpmac_data cpmac_high_data = { + .reset_bit = 21, + .power_bit = 22, + .phy_mask = 0x7fffffff, +}; + +static struct plat_vlynq_data vlynq_low_data = { + .ops.on = vlynq_on, + .ops.off = vlynq_off, + .reset_bit = 20, + .gpio_bit = 18, +}; + +static struct plat_vlynq_data vlynq_high_data = { + .ops.on = vlynq_on, + .ops.off = vlynq_off, + .reset_bit = 16, + .gpio_bit = 19, +}; + +static struct platform_device physmap_flash = { + .id = 0, + .name = "physmap-flash", + .dev.platform_data = &physmap_flash_data, + .resource = &physmap_flash_resource, + .num_resources = 1, +}; + +static u64 cpmac_dma_mask = DMA_32BIT_MASK; +static struct platform_device cpmac_low = { + .id = 0, + .name = "cpmac", + .dev = { + .dma_mask = &cpmac_dma_mask, + .coherent_dma_mask = DMA_32BIT_MASK, + .platform_data = &cpmac_low_data, + }, + .resource = cpmac_low_res, + .num_resources = ARRAY_SIZE(cpmac_low_res), +}; + +static struct platform_device cpmac_high = { + .id = 1, + .name = "cpmac", + .dev = { + .dma_mask = &cpmac_dma_mask, + .coherent_dma_mask = DMA_32BIT_MASK, + .platform_data = &cpmac_high_data, + }, + .resource = cpmac_high_res, + .num_resources = ARRAY_SIZE(cpmac_high_res), +}; + +static struct platform_device vlynq_low = { + .id = 0, + .name = "vlynq", + .dev.platform_data = &vlynq_low_data, + .resource = vlynq_low_res, + .num_resources = ARRAY_SIZE(vlynq_low_res), +}; + +static struct platform_device vlynq_high = { + .id = 1, + .name = "vlynq", + .dev.platform_data = &vlynq_high_data, + .resource = vlynq_high_res, + .num_resources = ARRAY_SIZE(vlynq_high_res), +}; + + +/* This is proper way to define uart ports, but they are then detected + * as xscale and, obviously, don't work... + */ +#if !defined(CONFIG_SERIAL_8250) + +static struct plat_serial8250_port uart0_data = { + .mapbase = AR7_REGS_UART0, + .irq = AR7_IRQ_UART0, + .regshift = 2, + .iotype = UPIO_MEM, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, +}; + +static struct plat_serial8250_port uart1_data = { + .mapbase = UR8_REGS_UART1, + .irq = AR7_IRQ_UART1, + .regshift = 2, + .iotype = UPIO_MEM, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, +}; + +static struct plat_serial8250_port uart_data[] = { + uart0_data, + uart1_data, + { .flags = 0 } +}; + +static struct plat_serial8250_port uart_data_single[] = { + uart0_data, + { .flags = 0 } +}; + +static struct platform_device uart = { + .id = 0, + .name = "serial8250", + .dev.platform_data = uart_data_single +}; +#endif + +static struct gpio_led default_leds[] = { + { .name = "status", .gpio = 8, .active_low = 1, }, +}; + +static struct gpio_led dsl502t_leds[] = { + { .name = "status", .gpio = 9, .active_low = 1, }, + { .name = "ethernet", .gpio = 7, .active_low = 1, }, + { .name = "usb", .gpio = 12, .active_low = 1, }, +}; + +static struct gpio_led dg834g_leds[] = { + { .name = "ppp", .gpio = 6, .active_low = 1, }, + { .name = "status", .gpio = 7, .active_low = 1, }, + { .name = "adsl", .gpio = 8, .active_low = 1, }, + { .name = "wifi", .gpio = 12, .active_low = 1, }, + { .name = "power", .gpio = 14, .active_low = 1, .default_trigger = "default-on", }, +}; + +static struct gpio_led fb_sl_leds[] = { + { .name = "1", .gpio = 7, }, + { .name = "2", .gpio = 13, .active_low = 1, }, + { .name = "3", .gpio = 10, .active_low = 1, }, + { .name = "4", .gpio = 12, .active_low = 1, }, + { .name = "5", .gpio = 9, .active_low = 1, }, +}; + +static struct gpio_led fb_fon_leds[] = { + { .name = "1", .gpio = 8, }, + { .name = "2", .gpio = 3, .active_low = 1, }, + { .name = "3", .gpio = 5, }, + { .name = "4", .gpio = 4, .active_low = 1, }, + { .name = "5", .gpio = 11, .active_low = 1, }, +}; + +static struct gpio_led_platform_data ar7_led_data; + +static struct platform_device ar7_gpio_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &ar7_led_data, + } +}; + +static struct platform_device ar7_udc = { + .id = -1, + .name = "ar7_udc", + .resource = usb_res, + .num_resources = ARRAY_SIZE(usb_res), +}; + +static inline unsigned char char2hex(char h) +{ + switch (h) { + case '0': case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + return h - '0'; + case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': + return h - 'A' + 10; + case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': + return h - 'a' + 10; + default: + return 0; + } +} + +static void cpmac_get_mac(int instance, unsigned char *dev_addr) +{ + int i; + char name[5], default_mac[] = "00:00:00:12:34:56", *mac; + + mac = NULL; + sprintf(name, "mac%c", 'a' + instance); + mac = prom_getenv(name); + if (!mac) { + sprintf(name, "mac%c", 'a'); + mac = prom_getenv(name); + } + if (!mac) + mac = default_mac; + for (i = 0; i < 6; i++) + dev_addr[i] = (char2hex(mac[i * 3]) << 4) + + char2hex(mac[i * 3 + 1]); +} + +static void __init detect_leds(void) +{ + char *prId, *usb_prod; + + /* Default LEDs */ + ar7_led_data.num_leds = ARRAY_SIZE(default_leds); + ar7_led_data.leds = default_leds; + + /* FIXME: the whole thing is unreliable */ + prId = prom_getenv("ProductID"); + usb_prod = prom_getenv("usb_prod"); + + /* If we can't get the product id from PROM, use the default LEDs */ + if (!prId) + return; + + if (strstr(prId, "Fritz_Box_FON")) { + ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds); + ar7_led_data.leds = fb_fon_leds; + } else if (strstr(prId, "Fritz_Box_")) { + ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds); + ar7_led_data.leds = fb_sl_leds; + } else if ((!strcmp(prId, "AR7RD") || !strcmp(prId, "AR7DB")) && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) { + ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds); + ar7_led_data.leds = dsl502t_leds; + } else if (strstr(prId, "DG834")) { + ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds); + ar7_led_data.leds = dg834g_leds; + } +} + +static int __init ar7_register_devices(void) +{ + int res; + +#ifdef CONFIG_SERIAL_8250 + + static struct uart_port uart_port[2]; + + memset(uart_port, 0, sizeof(struct uart_port) * 2); + + uart_port[0].type = PORT_AR7; + uart_port[0].line = 0; + uart_port[0].irq = AR7_IRQ_UART0; + uart_port[0].uartclk = ar7_bus_freq() / 2; + uart_port[0].iotype = UPIO_MEM; + uart_port[0].mapbase = AR7_REGS_UART0; + uart_port[0].membase = ioremap(uart_port[0].mapbase, 256); + uart_port[0].regshift = 2; + uart_port[0].flags = UPF_IOREMAP; + res = early_serial_setup(&uart_port[0]); + if (res) + return res; + + + /* Only TNETD73xx have a second serial port */ + if (ar7_has_second_uart()) { + uart_port[1].type = PORT_AR7; + uart_port[1].line = 1; + uart_port[1].irq = AR7_IRQ_UART1; + uart_port[1].uartclk = ar7_bus_freq() / 2; + uart_port[1].iotype = UPIO_MEM; + uart_port[1].mapbase = UR8_REGS_UART1; + uart_port[1].membase = ioremap(uart_port[1].mapbase, 256); + uart_port[1].regshift = 2; + uart_port[1].flags = UPF_IOREMAP; + res = early_serial_setup(&uart_port[1]); + if (res) + return res; + } + +#else /* !CONFIG_SERIAL_8250 */ + + uart_data[0].uartclk = ar7_bus_freq() / 2; + uart_data[1].uartclk = uart_data[0].uartclk; + + /* Only TNETD73xx have a second serial port */ + if (ar7_has_second_uart()) + uart.dev.platform_data = uart_data; + + res = platform_device_register(&uart); + if (res) + return res; + +#endif /* CONFIG_SERIAL_8250 */ + + res = platform_device_register(&physmap_flash); + if (res) + return res; + + ar7_device_disable(vlynq_low_data.reset_bit); + res = platform_device_register(&vlynq_low); + if (res) + return res; + + if (ar7_has_high_vlynq()) { + ar7_device_disable(vlynq_high_data.reset_bit); + res = platform_device_register(&vlynq_high); + if (res) + return res; + } + + if (ar7_has_high_cpmac()) { + cpmac_get_mac(1, cpmac_high_data.dev_addr); + res = platform_device_register(&cpmac_high); + if (res) + return res; + } else { + cpmac_low_data.phy_mask = 0xffffffff; + } + + cpmac_get_mac(0, cpmac_low_data.dev_addr); + res = platform_device_register(&cpmac_low); + if (res) + return res; + + detect_leds(); + res = platform_device_register(&ar7_gpio_leds); + if (res) + return res; + + res = platform_device_register(&ar7_udc); + + return res; +} + + +arch_initcall(ar7_register_devices); diff --git a/target/linux/ar7/files-2.6.30/arch/mips/ar7/prom.c b/target/linux/ar7/files-2.6.30/arch/mips/ar7/prom.c new file mode 100644 index 000000000..a72f2c955 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/arch/mips/ar7/prom.c @@ -0,0 +1,321 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Putting things on the screen/serial line using YAMONs facilities. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#define MAX_ENTRY 80 + +struct env_var { + char *name; + char *value; +}; + +static struct env_var adam2_env[MAX_ENTRY] = { { 0, }, }; + +char *prom_getenv(const char *name) +{ + int i; + for (i = 0; (i < MAX_ENTRY) && adam2_env[i].name; i++) + if (!strcmp(name, adam2_env[i].name)) + return adam2_env[i].value; + + return NULL; +} +EXPORT_SYMBOL(prom_getenv); + +char * __init prom_getcmdline(void) +{ + return &(arcs_cmdline[0]); +} + +static void __init ar7_init_cmdline(int argc, char *argv[]) +{ + char *cp; + int actr; + + actr = 1; /* Always ignore argv[0] */ + + cp = &(arcs_cmdline[0]); + while (actr < argc) { + strcpy(cp, argv[actr]); + cp += strlen(argv[actr]); + *cp++ = ' '; + actr++; + } + if (cp != &(arcs_cmdline[0])) { + /* get rid of trailing space */ + --cp; + *cp = '\0'; + } +} + +struct psbl_rec { + u32 psbl_size; + u32 env_base; + u32 env_size; + u32 ffs_base; + u32 ffs_size; +}; + +static __initdata char psp_env_version[] = "TIENV0.8"; + +struct psp_env_chunk { + u8 num; + u8 ctrl; + u16 csum; + u8 len; + char data[11]; +} __attribute__ ((packed)); + +struct psp_var_map_entry { + u8 num; + char *value; +}; + +static struct psp_var_map_entry psp_var_map[] = { + { 1, "cpufrequency" }, + { 2, "memsize" }, + { 3, "flashsize" }, + { 4, "modetty0" }, + { 5, "modetty1" }, + { 8, "maca" }, + { 9, "macb" }, + { 28, "sysfrequency" }, + { 38, "mipsfrequency" }, +}; + +/* + +Well-known variable (num is looked up in table above for matching variable name) +Example: cpufrequency=211968000 ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- +| 01 |CTRL|CHECKSUM | 01 | _2 | _1 | _1 | _9 | _6 | _8 | _0 | _0 | _0 | \0 | FF ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- + +Name=Value pair in a single chunk +Example: NAME=VALUE ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- +| 00 |CTRL|CHECKSUM | 01 | _N | _A | _M | _E | _0 | _V | _A | _L | _U | _E | \0 ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- + +Name=Value pair in 2 chunks (len is the number of chunks) +Example: bootloaderVersion=1.3.7.15 ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- +| 00 |CTRL|CHECKSUM | 02 | _b | _o | _o | _t | _l | _o | _a | _d | _e | _r | _V ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- +| _e | _r | _s | _i | _o | _n | \0 | _1 | _. | _3 | _. | _7 | _. | _1 | _5 | \0 ++----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- + +Data is padded with 0xFF + +*/ + +#define PSP_ENV_SIZE 4096 + +static char psp_env_data[PSP_ENV_SIZE] = { 0, }; + +static char * __init lookup_psp_var_map(u8 num) +{ + int i; + + for (i = 0; i < sizeof(psp_var_map); i++) + if (psp_var_map[i].num == num) + return psp_var_map[i].value; + + return NULL; +} + +static void __init add_adam2_var(char *name, char *value) +{ + int i; + for (i = 0; i < MAX_ENTRY; i++) { + if (!adam2_env[i].name) { + adam2_env[i].name = name; + adam2_env[i].value = value; + return; + } else if (!strcmp(adam2_env[i].name, name)) { + adam2_env[i].value = value; + return; + } + } +} + +static int __init parse_psp_env(void *psp_env_base) +{ + int i, n; + char *name, *value; + struct psp_env_chunk *chunks = (struct psp_env_chunk *)psp_env_data; + + memcpy_fromio(chunks, psp_env_base, PSP_ENV_SIZE); + + i = 1; + n = PSP_ENV_SIZE / sizeof(struct psp_env_chunk); + while (i < n) { + if ((chunks[i].num == 0xff) || ((i + chunks[i].len) > n)) + break; + value = chunks[i].data; + if (chunks[i].num) { + name = lookup_psp_var_map(chunks[i].num); + } else { + name = value; + value += strlen(name) + 1; + } + if (name) + add_adam2_var(name, value); + i += chunks[i].len; + } + return 0; +} + +static void __init ar7_init_env(struct env_var *env) +{ + int i; + struct psbl_rec *psbl = (struct psbl_rec *)(KSEG1ADDR(0x14000300)); + void *psp_env = (void *)KSEG1ADDR(psbl->env_base); + + if (strcmp(psp_env, psp_env_version) == 0) { + parse_psp_env(psp_env); + } else { + for (i = 0; i < MAX_ENTRY; i++, env++) + if (env->name) + add_adam2_var(env->name, env->value); + } +} + +static void __init console_config(void) +{ +#ifdef CONFIG_SERIAL_8250_CONSOLE + char console_string[40]; + int baud = 0; + char parity = '\0', bits = '\0', flow = '\0'; + char *s, *p; + + if (strstr(prom_getcmdline(), "console=")) + return; + +#ifdef CONFIG_KGDB + if (!strstr(prom_getcmdline(), "nokgdb")) { + strcat(prom_getcmdline(), " console=kgdb"); + kgdb_enabled = 1; + return; + } +#endif + + if ((s = prom_getenv("modetty0"))) { + baud = simple_strtoul(s, &p, 10); + s = p; + if (*s == ',') s++; + if (*s) parity = *s++; + if (*s == ',') s++; + if (*s) bits = *s++; + if (*s == ',') s++; + if (*s == 'h') flow = 'r'; + } + + if (baud == 0) + baud = 38400; + if (parity != 'n' && parity != 'o' && parity != 'e') + parity = 'n'; + if (bits != '7' && bits != '8') + bits = '8'; + + if (flow == 'r') + sprintf(console_string, " console=ttyS0,%d%c%c%c", baud, + parity, bits, flow); + else + sprintf(console_string, " console=ttyS0,%d%c%c", baud, parity, + bits); + strcat(prom_getcmdline(), console_string); +#endif +} + +void __init prom_init(void) +{ + ar7_init_cmdline(fw_arg0, (char **)fw_arg1); + ar7_init_env((struct env_var *)fw_arg2); + console_config(); +} + +#define PORT(offset) (KSEG1ADDR(AR7_REGS_UART0 + (offset * 4))) +static inline unsigned int serial_in(int offset) +{ + return readb((void *)PORT(offset)); +} + +static inline void serial_out(int offset, int value) +{ + writeb(value, (void *)PORT(offset)); +} + +char prom_getchar(void) +{ + while (!(serial_in(UART_LSR) & UART_LSR_DR)); + return serial_in(UART_RX); +} + +int prom_putchar(char c) +{ + while ((serial_in(UART_LSR) & UART_LSR_TEMT) == 0); + serial_out(UART_TX, c); + return 1; +} + +/* from adm5120/prom.c */ +void prom_printf(const char *fmt, ...) +{ + va_list args; + int l; + char *p, *buf_end; + char buf[1024]; + + va_start(args, fmt); + l = vsprintf(buf, fmt, args); /* hopefully i < sizeof(buf) */ + va_end(args); + + buf_end = buf + l; + + for (p = buf; p < buf_end; p++) { + /* Crude cr/nl handling is better than none */ + if (*p == '\n') + prom_putchar('\r'); + prom_putchar(*p); + } +} + +#ifdef CONFIG_KGDB +int putDebugChar(char c) +{ + return prom_putchar(c); +} + +char getDebugChar(void) +{ + return prom_getchar(); +} +#endif diff --git a/target/linux/ar7/files-2.6.30/arch/mips/ar7/setup.c b/target/linux/ar7/files-2.6.30/arch/mips/ar7/setup.c new file mode 100644 index 000000000..35b7b8d77 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/arch/mips/ar7/setup.c @@ -0,0 +1,119 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +static int titan_variant; /*hold the results of the gpio_init_titan_variant() so that it is only called once*/ +static void ar7_machine_restart(char *command); +static void ar7_machine_halt(void); +static void ar7_machine_power_off(void); + +static void ar7_machine_restart(char *command) +{ + u32 *softres_reg = (u32 *)ioremap(AR7_REGS_RESET + + AR7_RESET_SOFTWARE, 1); + writel(1, softres_reg); +} + +static void ar7_machine_halt(void) +{ + while (1); +} + +static void ar7_machine_power_off(void) +{ + u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1); + u32 power_state = readl(power_reg) | (3 << 30); + writel(power_state, power_reg); + ar7_machine_halt(); +} + +const char *get_system_type(void) +{ + u16 chip_id = ar7_chip_id(); + switch (chip_id) { + case AR7_CHIP_7300: + return "TI AR7 (TNETD7300)"; + case AR7_CHIP_7100: + return "TI AR7 (TNETD7100)"; + case AR7_CHIP_7200: + return "TI AR7 (TNETD7200)"; + case AR7_CHIP_TITAN: + titan_variant = ar7_init_titan_variant(); + switch (titan_variant /*(gpio_get_value_titan(1) >> 12) & 0xf*/) { + case TITAN_CHIP_1050: + return "TI AR7 (TNETV1050)"; + case TITAN_CHIP_1055: + return "TI AR7 (TNETV1055)"; + case TITAN_CHIP_1056: + return "TI AR7 (TNETV1056)"; + case TITAN_CHIP_1060: + return "TI AR7 (TNETV1060)"; + } + default: + return "TI AR7 (Unknown)"; + } +} + +static int __init ar7_init_console(void) +{ + return 0; +} + +/* + * Initializes basic routines and structures pointers, memory size (as + * given by the bios and saves the command line. + */ + +extern void ar7_init_clocks(void); + +void __init plat_mem_setup(void) +{ + unsigned long io_base; + + _machine_restart = ar7_machine_restart; + _machine_halt = ar7_machine_halt; + pm_power_off = ar7_machine_power_off; + panic_timeout = 3; + + io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000); + if (!io_base) panic("Can't remap IO base!\n"); + set_io_port_base(io_base); + + prom_meminit(); + ar7_init_clocks(); + + ioport_resource.start = 0; + ioport_resource.end = ~0; + iomem_resource.start = 0; + iomem_resource.end = ~0; + + printk(KERN_INFO "%s, ID: 0x%04x, Revision: 0x%02x\n", + get_system_type(), + ar7_chip_id(), ar7_chip_rev()); +} + +console_initcall(ar7_init_console); diff --git a/target/linux/ar7/files-2.6.30/arch/mips/ar7/time.c b/target/linux/ar7/files-2.6.30/arch/mips/ar7/time.c new file mode 100644 index 000000000..2188d9a85 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/arch/mips/ar7/time.c @@ -0,0 +1,28 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Setting up the clock on the MIPS boards. + */ + +#include +#include +#include + +void __init plat_time_init(void) +{ + mips_hpt_frequency = ar7_cpu_freq() / 2; +} diff --git a/target/linux/ar7/files-2.6.30/arch/mips/include/asm/ar7 b/target/linux/ar7/files-2.6.30/arch/mips/include/asm/ar7 new file mode 120000 index 000000000..4de8fbc8b --- /dev/null +++ b/target/linux/ar7/files-2.6.30/arch/mips/include/asm/ar7 @@ -0,0 +1 @@ +../../../../include/asm-mips/ar7 \ No newline at end of file diff --git a/target/linux/ar7/files-2.6.30/drivers/char/ar7_gpio.c b/target/linux/ar7/files-2.6.30/drivers/char/ar7_gpio.c new file mode 100644 index 000000000..6b38bbd89 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/drivers/char/ar7_gpio.c @@ -0,0 +1,158 @@ +/* + * Copyright (C) 2007 Nicolas Thill + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRVNAME "ar7_gpio" +#define LONGNAME "TI AR7 GPIOs Driver" + +MODULE_AUTHOR("Nicolas Thill "); +MODULE_DESCRIPTION(LONGNAME); +MODULE_LICENSE("GPL"); + +static int ar7_gpio_major; + +static ssize_t ar7_gpio_write(struct file *file, const char __user *buf, + size_t len, loff_t *ppos) +{ + int pin = iminor(file->f_dentry->d_inode); + size_t i; + + for (i = 0; i < len; ++i) { + char c; + if (get_user(c, buf + i)) + return -EFAULT; + switch (c) { + case '0': + gpio_set_value(pin, 0); + break; + case '1': + gpio_set_value(pin, 1); + break; + case 'd': + case 'D': + ar7_gpio_disable(pin); + break; + case 'e': + case 'E': + ar7_gpio_enable(pin); + break; + case 'i': + case 'I': + case '<': + gpio_direction_input(pin); + break; + case 'o': + case 'O': + case '>': + gpio_direction_output(pin, 0); + break; + default: + return -EINVAL; + } + } + + return len; +} + +static ssize_t ar7_gpio_read(struct file *file, char __user *buf, + size_t len, loff_t *ppos) +{ + int pin = iminor(file->f_dentry->d_inode); + int value; + + value = gpio_get_value(pin); + if (put_user(value ? '1' : '0', buf)) + return -EFAULT; + + return 1; +} + +static int ar7_gpio_open(struct inode *inode, struct file *file) +{ + int m = iminor(inode); + + if (m >= (ar7_is_titan() ? TITAN_GPIO_MAX : AR7_GPIO_MAX)) + return -EINVAL; + + return nonseekable_open(inode, file); +} + +static int ar7_gpio_release(struct inode *inode, struct file *file) +{ + return 0; +} + +static const struct file_operations ar7_gpio_fops = { + .owner = THIS_MODULE, + .write = ar7_gpio_write, + .read = ar7_gpio_read, + .open = ar7_gpio_open, + .release = ar7_gpio_release, + .llseek = no_llseek, +}; + +static struct platform_device *ar7_gpio_device; + +static int __init ar7_gpio_init(void) +{ + int rc; + + ar7_gpio_device = platform_device_alloc(DRVNAME, -1); + if (!ar7_gpio_device) + return -ENOMEM; + + rc = platform_device_add(ar7_gpio_device); + if (rc < 0) + goto out_put; + + rc = register_chrdev(ar7_gpio_major, DRVNAME, &ar7_gpio_fops); + if (rc < 0) + goto out_put; + + ar7_gpio_major = rc; + + rc = 0; + + goto out; + +out_put: + platform_device_put(ar7_gpio_device); +out: + return rc; +} + +static void __exit ar7_gpio_exit(void) +{ + unregister_chrdev(ar7_gpio_major, DRVNAME); + platform_device_unregister(ar7_gpio_device); +} + +module_init(ar7_gpio_init); +module_exit(ar7_gpio_exit); diff --git a/target/linux/ar7/files-2.6.30/drivers/char/watchdog/ar7_wdt.c b/target/linux/ar7/files-2.6.30/drivers/char/watchdog/ar7_wdt.c new file mode 100644 index 000000000..97cd8105a --- /dev/null +++ b/target/linux/ar7/files-2.6.30/drivers/char/watchdog/ar7_wdt.c @@ -0,0 +1,349 @@ +/* + * drivers/watchdog/ar7_wdt.c + * + * Copyright (C) 2007 Nicolas Thill + * Copyright (c) 2005 Enrik Berkhan + * + * Some code taken from: + * National Semiconductor SCx200 Watchdog support + * Copyright (c) 2001,2002 Christer Weinigel + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#define DRVNAME "ar7_wdt" +#define LONGNAME "TI AR7 Watchdog Timer" + +MODULE_AUTHOR("Nicolas Thill "); +MODULE_DESCRIPTION(LONGNAME); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); + +static int margin = 60; +module_param(margin, int, 0); +MODULE_PARM_DESC(margin, "Watchdog margin in seconds"); + +static int nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close"); + +#define READ_REG(x) readl((void __iomem *)&(x)) +#define WRITE_REG(x, v) writel((v), (void __iomem *)&(x)) + +struct ar7_wdt { + u32 kick_lock; + u32 kick; + u32 change_lock; + u32 change; + u32 disable_lock; + u32 disable; + u32 prescale_lock; + u32 prescale; +}; + +static struct semaphore open_semaphore; +static unsigned expect_close; + +/* XXX currently fixed, allows max margin ~68.72 secs */ +#define prescale_value 0xffff + +/* Offset of the WDT registers */ +static unsigned long ar7_regs_wdt; +/* Pointer to the remapped WDT IO space */ +static struct ar7_wdt *ar7_wdt; +static void ar7_wdt_get_regs(void) +{ + u16 chip_id = ar7_chip_id(); + switch (chip_id) { + case AR7_CHIP_7100: + case AR7_CHIP_7200: + ar7_regs_wdt = AR7_REGS_WDT; + break; + default: + ar7_regs_wdt = UR8_REGS_WDT; + break; + } +} + + +static void ar7_wdt_kick(u32 value) +{ + WRITE_REG(ar7_wdt->kick_lock, 0x5555); + if ((READ_REG(ar7_wdt->kick_lock) & 3) == 1) { + WRITE_REG(ar7_wdt->kick_lock, 0xaaaa); + if ((READ_REG(ar7_wdt->kick_lock) & 3) == 3) { + WRITE_REG(ar7_wdt->kick, value); + return; + } + } + printk(KERN_ERR DRVNAME ": failed to unlock WDT kick reg\n"); +} + +static void ar7_wdt_prescale(u32 value) +{ + WRITE_REG(ar7_wdt->prescale_lock, 0x5a5a); + if ((READ_REG(ar7_wdt->prescale_lock) & 3) == 1) { + WRITE_REG(ar7_wdt->prescale_lock, 0xa5a5); + if ((READ_REG(ar7_wdt->prescale_lock) & 3) == 3) { + WRITE_REG(ar7_wdt->prescale, value); + return; + } + } + printk(KERN_ERR DRVNAME ": failed to unlock WDT prescale reg\n"); +} + +static void ar7_wdt_change(u32 value) +{ + WRITE_REG(ar7_wdt->change_lock, 0x6666); + if ((READ_REG(ar7_wdt->change_lock) & 3) == 1) { + WRITE_REG(ar7_wdt->change_lock, 0xbbbb); + if ((READ_REG(ar7_wdt->change_lock) & 3) == 3) { + WRITE_REG(ar7_wdt->change, value); + return; + } + } + printk(KERN_ERR DRVNAME ": failed to unlock WDT change reg\n"); +} + +static void ar7_wdt_disable(u32 value) +{ + WRITE_REG(ar7_wdt->disable_lock, 0x7777); + if ((READ_REG(ar7_wdt->disable_lock) & 3) == 1) { + WRITE_REG(ar7_wdt->disable_lock, 0xcccc); + if ((READ_REG(ar7_wdt->disable_lock) & 3) == 2) { + WRITE_REG(ar7_wdt->disable_lock, 0xdddd); + if ((READ_REG(ar7_wdt->disable_lock) & 3) == 3) { + WRITE_REG(ar7_wdt->disable, value); + return; + } + } + } + printk(KERN_ERR DRVNAME ": failed to unlock WDT disable reg\n"); +} + +static void ar7_wdt_update_margin(int new_margin) +{ + u32 change; + + change = new_margin * (ar7_vbus_freq() / prescale_value); + if (change < 1) change = 1; + if (change > 0xffff) change = 0xffff; + ar7_wdt_change(change); + margin = change * prescale_value / ar7_vbus_freq(); + printk(KERN_INFO DRVNAME + ": timer margin %d seconds (prescale %d, change %d, freq %d)\n", + margin, prescale_value, change, ar7_vbus_freq()); +} + +static void ar7_wdt_enable_wdt(void) +{ + printk(KERN_DEBUG DRVNAME ": enabling watchdog timer\n"); + ar7_wdt_disable(1); + ar7_wdt_kick(1); +} + +static void ar7_wdt_disable_wdt(void) +{ + printk(KERN_DEBUG DRVNAME ": disabling watchdog timer\n"); + ar7_wdt_disable(0); +} + +static int ar7_wdt_open(struct inode *inode, struct file *file) +{ + /* only allow one at a time */ + if (down_trylock(&open_semaphore)) + return -EBUSY; + ar7_wdt_enable_wdt(); + expect_close = 0; + + return nonseekable_open(inode, file); +} + +static int ar7_wdt_release(struct inode *inode, struct file *file) +{ + if (!expect_close) + printk(KERN_WARNING DRVNAME + ": watchdog device closed unexpectedly," + "will not disable the watchdog timer\n"); + else if (!nowayout) + ar7_wdt_disable_wdt(); + + up(&open_semaphore); + + return 0; +} + +static int ar7_wdt_notify_sys(struct notifier_block *this, + unsigned long code, void *unused) +{ + if (code == SYS_HALT || code == SYS_POWER_OFF) + if (!nowayout) + ar7_wdt_disable_wdt(); + + return NOTIFY_DONE; +} + +static struct notifier_block ar7_wdt_notifier = { + .notifier_call = ar7_wdt_notify_sys +}; + +static ssize_t ar7_wdt_write(struct file *file, const char *data, + size_t len, loff_t *ppos) +{ + /* check for a magic close character */ + if (len) { + size_t i; + + ar7_wdt_kick(1); + + expect_close = 0; + for (i = 0; i < len; ++i) { + char c; + if (get_user(c, data+i)) + return -EFAULT; + if (c == 'V') + expect_close = 1; + } + + } + return len; +} + +static int ar7_wdt_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + static struct watchdog_info ident = { + .identity = LONGNAME, + .firmware_version = 1, + .options = (WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING), + }; + int new_margin; + + switch (cmd) { + default: + return -ENOTTY; + case WDIOC_GETSUPPORT: + if (copy_to_user((struct watchdog_info *)arg, &ident, + sizeof(ident))) + return -EFAULT; + return 0; + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + if (put_user(0, (int *)arg)) + return -EFAULT; + return 0; + case WDIOC_KEEPALIVE: + ar7_wdt_kick(1); + return 0; + case WDIOC_SETTIMEOUT: + if (get_user(new_margin, (int *)arg)) + return -EFAULT; + if (new_margin < 1) + return -EINVAL; + + ar7_wdt_update_margin(new_margin); + ar7_wdt_kick(1); + + case WDIOC_GETTIMEOUT: + if (put_user(margin, (int *)arg)) + return -EFAULT; + return 0; + } +} + +static struct file_operations ar7_wdt_fops = { + .owner = THIS_MODULE, + .write = ar7_wdt_write, + .ioctl = ar7_wdt_ioctl, + .open = ar7_wdt_open, + .release = ar7_wdt_release, +}; + +static struct miscdevice ar7_wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &ar7_wdt_fops, +}; + +static int __init ar7_wdt_init(void) +{ + int rc; + + ar7_wdt_get_regs(); + + if (!request_mem_region(ar7_regs_wdt, sizeof(struct ar7_wdt), + LONGNAME)) { + printk(KERN_WARNING DRVNAME ": watchdog I/O region busy\n"); + return -EBUSY; + } + + ar7_wdt = (struct ar7_wdt *) + ioremap(ar7_regs_wdt, sizeof(struct ar7_wdt)); + + ar7_wdt_disable_wdt(); + ar7_wdt_prescale(prescale_value); + ar7_wdt_update_margin(margin); + + sema_init(&open_semaphore, 1); + + rc = register_reboot_notifier(&ar7_wdt_notifier); + if (rc) { + printk(KERN_ERR DRVNAME + ": unable to register reboot notifier\n"); + goto out_alloc; + } + + rc = misc_register(&ar7_wdt_miscdev); + if (rc) { + printk(KERN_ERR DRVNAME ": unable to register misc device\n"); + goto out_register; + } + goto out; + +out_register: + unregister_reboot_notifier(&ar7_wdt_notifier); +out_alloc: + iounmap(ar7_wdt); + release_mem_region(ar7_regs_wdt, sizeof(struct ar7_wdt)); +out: + return rc; +} + +static void __exit ar7_wdt_cleanup(void) +{ + misc_deregister(&ar7_wdt_miscdev); + unregister_reboot_notifier(&ar7_wdt_notifier); + iounmap(ar7_wdt); + release_mem_region(ar7_regs_wdt, sizeof(struct ar7_wdt)); +} + +module_init(ar7_wdt_init); +module_exit(ar7_wdt_cleanup); diff --git a/target/linux/ar7/files-2.6.30/drivers/vlynq/Kconfig b/target/linux/ar7/files-2.6.30/drivers/vlynq/Kconfig new file mode 100644 index 000000000..2c8ffe0d1 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/drivers/vlynq/Kconfig @@ -0,0 +1,13 @@ +menu "TI VLYNQ" + +config VLYNQ + bool "TI VLYNQ bus support" + depends on AR7 && EXPERIMENTAL + help + Support for the TI VLYNQ bus + + The module will be called vlynq + + If unsure, say N + +endmenu diff --git a/target/linux/ar7/files-2.6.30/drivers/vlynq/Makefile b/target/linux/ar7/files-2.6.30/drivers/vlynq/Makefile new file mode 100644 index 000000000..b3f61149b --- /dev/null +++ b/target/linux/ar7/files-2.6.30/drivers/vlynq/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for kernel vlynq drivers +# + +obj-$(CONFIG_VLYNQ) += vlynq.o diff --git a/target/linux/ar7/files-2.6.30/drivers/vlynq/vlynq.c b/target/linux/ar7/files-2.6.30/drivers/vlynq/vlynq.c new file mode 100644 index 000000000..f4b7b0f98 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/drivers/vlynq/vlynq.c @@ -0,0 +1,783 @@ +/* + * Copyright (C) 2006, 2007 Eugene Konev + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define VLYNQ_CTRL_PM_ENABLE 0x80000000 +#define VLYNQ_CTRL_CLOCK_INT 0x00008000 +#define VLYNQ_CTRL_CLOCK_DIV(x) (((x) & 7) << 16) +#define VLYNQ_CTRL_INT_LOCAL 0x00004000 +#define VLYNQ_CTRL_INT_ENABLE 0x00002000 +#define VLYNQ_CTRL_INT_VECTOR(x) (((x) & 0x1f) << 8) +#define VLYNQ_CTRL_INT2CFG 0x00000080 +#define VLYNQ_CTRL_RESET 0x00000001 + +#define VLYNQ_CTRL_CLOCK_MASK (0x7 << 16) + +#define VLYNQ_INT_OFFSET 0x00000014 +#define VLYNQ_REMOTE_OFFSET 0x00000080 + +#define VLYNQ_STATUS_LINK 0x00000001 +#define VLYNQ_STATUS_LERROR 0x00000080 +#define VLYNQ_STATUS_RERROR 0x00000100 + +#define VINT_ENABLE 0x00000100 +#define VINT_TYPE_EDGE 0x00000080 +#define VINT_LEVEL_LOW 0x00000040 +#define VINT_VECTOR(x) ((x) & 0x1f) +#define VINT_OFFSET(irq) (8 * ((irq) % 4)) + +#define VLYNQ_AUTONEGO_V2 0x00010000 + +struct vlynq_regs { + u32 revision; + u32 control; + u32 status; + u32 int_prio; + u32 int_status; + u32 int_pending; + u32 int_ptr; + u32 tx_offset; + struct vlynq_mapping rx_mapping[4]; + u32 chip; + u32 autonego; + u32 unused[6]; + u32 int_device[8]; +}; + +#define vlynq_reg_read(reg) readl(&(reg)) +#define vlynq_reg_write(reg, val) writel(val, &(reg)) + +static int __vlynq_enable_device(struct vlynq_device *dev); + +#ifdef VLYNQ_DEBUG +static void vlynq_dump_regs(struct vlynq_device *dev) +{ + int i; + printk(KERN_DEBUG "VLYNQ local=%p remote=%p\n", + dev->local, dev->remote); + for (i = 0; i < 32; i++) { + printk(KERN_DEBUG "VLYNQ: local %d: %08x\n", + i + 1, ((u32 *)dev->local)[i]); + printk(KERN_DEBUG "VLYNQ: remote %d: %08x\n", + i + 1, ((u32 *)dev->remote)[i]); + } +} + +static void vlynq_dump_mem(u32 *base, int count) +{ + int i; + for (i = 0; i < (count + 3) / 4; i++) { + if (i % 4 == 0) printk(KERN_DEBUG "\nMEM[0x%04x]:", i * 4); + printk(KERN_DEBUG " 0x%08x", *(base + i)); + } + printk(KERN_DEBUG "\n"); +} +#endif + +int vlynq_linked(struct vlynq_device *dev) +{ + int i; + + for (i = 0; i < 100; i++) + if (vlynq_reg_read(dev->local->status) & VLYNQ_STATUS_LINK) + return 1; + else + cpu_relax(); + + return 0; +} + +static void vlynq_reset(struct vlynq_device *dev) +{ + vlynq_reg_write(dev->local->control, + vlynq_reg_read(dev->local->control) | + VLYNQ_CTRL_RESET); + + /* Wait for the devices to finish resetting */ + msleep(5); + + /* Remove reset bit */ + vlynq_reg_write(dev->local->control, + vlynq_reg_read(dev->local->control) & + ~VLYNQ_CTRL_RESET); + + /* Give some time for the devices to settle */ + msleep(5); +} + +static void vlynq_irq_unmask(unsigned int irq) +{ + u32 val; + struct vlynq_device *dev = get_irq_chip_data(irq); + int virq; + + BUG_ON(!dev); + virq = irq - dev->irq_start; + val = vlynq_reg_read(dev->remote->int_device[virq >> 2]); + val |= (VINT_ENABLE | virq) << VINT_OFFSET(virq); + vlynq_reg_write(dev->remote->int_device[virq >> 2], val); +} + +static void vlynq_irq_mask(unsigned int irq) +{ + u32 val; + struct vlynq_device *dev = get_irq_chip_data(irq); + int virq; + + BUG_ON(!dev); + virq = irq - dev->irq_start; + val = vlynq_reg_read(dev->remote->int_device[virq >> 2]); + val &= ~(VINT_ENABLE << VINT_OFFSET(virq)); + vlynq_reg_write(dev->remote->int_device[virq >> 2], val); +} + +static int vlynq_irq_type(unsigned int irq, unsigned int flow_type) +{ + u32 val; + struct vlynq_device *dev = get_irq_chip_data(irq); + int virq; + + BUG_ON(!dev); + virq = irq - dev->irq_start; + val = vlynq_reg_read(dev->remote->int_device[virq >> 2]); + switch (flow_type & IRQ_TYPE_SENSE_MASK) { + case IRQ_TYPE_EDGE_RISING: + case IRQ_TYPE_EDGE_FALLING: + case IRQ_TYPE_EDGE_BOTH: + val |= VINT_TYPE_EDGE << VINT_OFFSET(virq); + val &= ~(VINT_LEVEL_LOW << VINT_OFFSET(virq)); + break; + case IRQ_TYPE_LEVEL_HIGH: + val &= ~(VINT_TYPE_EDGE << VINT_OFFSET(virq)); + val &= ~(VINT_LEVEL_LOW << VINT_OFFSET(virq)); + break; + case IRQ_TYPE_LEVEL_LOW: + val &= ~(VINT_TYPE_EDGE << VINT_OFFSET(virq)); + val |= VINT_LEVEL_LOW << VINT_OFFSET(virq); + break; + default: + return -EINVAL; + } + vlynq_reg_write(dev->remote->int_device[virq >> 2], val); + return 0; +} + +static void vlynq_local_ack(unsigned int irq) +{ + struct vlynq_device *dev = get_irq_chip_data(irq); + u32 status = vlynq_reg_read(dev->local->status); + if (printk_ratelimit()) + printk(KERN_DEBUG "%s: local status: 0x%08x\n", + dev->dev.bus_id, status); + vlynq_reg_write(dev->local->status, status); +} + +static void vlynq_remote_ack(unsigned int irq) +{ + struct vlynq_device *dev = get_irq_chip_data(irq); + u32 status = vlynq_reg_read(dev->remote->status); + if (printk_ratelimit()) + printk(KERN_DEBUG "%s: remote status: 0x%08x\n", + dev->dev.bus_id, status); + vlynq_reg_write(dev->remote->status, status); +} + +static irqreturn_t vlynq_irq(int irq, void *dev_id) +{ + struct vlynq_device *dev = dev_id; + u32 status; + int virq = 0; + + status = vlynq_reg_read(dev->local->int_status); + vlynq_reg_write(dev->local->int_status, status); + + if (unlikely(!status)) + spurious_interrupt(); + + while (status) { + if (status & 1) + do_IRQ(dev->irq_start + virq); + status >>= 1; + virq++; + } + + return IRQ_HANDLED; +} + +static struct irq_chip vlynq_irq_chip = { + .name = "vlynq", + .unmask = vlynq_irq_unmask, + .mask = vlynq_irq_mask, + .set_type = vlynq_irq_type, +}; + +static struct irq_chip vlynq_local_chip = { + .name = "vlynq local error", + .unmask = vlynq_irq_unmask, + .mask = vlynq_irq_mask, + .ack = vlynq_local_ack, +}; + +static struct irq_chip vlynq_remote_chip = { + .name = "vlynq local error", + .unmask = vlynq_irq_unmask, + .mask = vlynq_irq_mask, + .ack = vlynq_remote_ack, +}; + +static int vlynq_setup_irq(struct vlynq_device *dev) +{ + u32 val; + int i, virq; + + if (dev->local_irq == dev->remote_irq) { + printk(KERN_ERR + "%s: local vlynq irq should be different from remote\n", + dev->dev.bus_id); + return -EINVAL; + } + + /* Clear local and remote error bits */ + vlynq_reg_write(dev->local->status, vlynq_reg_read(dev->local->status)); + vlynq_reg_write(dev->remote->status, + vlynq_reg_read(dev->remote->status)); + + /* Now setup interrupts */ + val = VLYNQ_CTRL_INT_VECTOR(dev->local_irq); + val |= VLYNQ_CTRL_INT_ENABLE | VLYNQ_CTRL_INT_LOCAL | + VLYNQ_CTRL_INT2CFG; + val |= vlynq_reg_read(dev->local->control); + vlynq_reg_write(dev->local->int_ptr, VLYNQ_INT_OFFSET); + vlynq_reg_write(dev->local->control, val); + + val = VLYNQ_CTRL_INT_VECTOR(dev->remote_irq); + val |= VLYNQ_CTRL_INT_ENABLE; + val |= vlynq_reg_read(dev->remote->control); + vlynq_reg_write(dev->remote->int_ptr, VLYNQ_INT_OFFSET); + vlynq_reg_write(dev->remote->control, val); + + for (i = dev->irq_start; i <= dev->irq_end; i++) { + virq = i - dev->irq_start; + if (virq == dev->local_irq) { + set_irq_chip_and_handler(i, &vlynq_local_chip, + handle_level_irq); + set_irq_chip_data(i, dev); + } else if (virq == dev->remote_irq) { + set_irq_chip_and_handler(i, &vlynq_remote_chip, + handle_level_irq); + set_irq_chip_data(i, dev); + } else { + set_irq_chip_and_handler(i, &vlynq_irq_chip, + handle_simple_irq); + set_irq_chip_data(i, dev); + vlynq_reg_write(dev->remote->int_device[virq >> 2], 0); + } + } + + if (request_irq(dev->irq, vlynq_irq, IRQF_SHARED, "vlynq", dev)) { + printk(KERN_ERR "%s: request_irq failed\n", dev->dev.bus_id); + return -EAGAIN; + } + + return 0; +} + +static void vlynq_device_release(struct device *dev) +{ + struct vlynq_device *vdev = to_vlynq_device(dev); + kfree(vdev); +} + +static int vlynq_device_match(struct device *dev, + struct device_driver *drv) +{ + struct vlynq_device *vdev = to_vlynq_device(dev); + struct vlynq_driver *vdrv = to_vlynq_driver(drv); + struct vlynq_device_id *ids = vdrv->id_table; + + while (ids->id) { + if (ids->id == vdev->dev_id) { + vdev->divisor = ids->divisor; + vlynq_set_drvdata(vdev, ids); + printk(KERN_INFO "Driver found for VLYNQ " \ + "device: %08x\n", vdev->dev_id); + return 1; + } + printk(KERN_DEBUG "Not using the %08x VLYNQ device's driver" \ + " for VLYNQ device: %08x\n", ids->id, vdev->dev_id); + ids++; + } + return 0; +} + +static int vlynq_device_probe(struct device *dev) +{ + struct vlynq_device *vdev = to_vlynq_device(dev); + struct vlynq_driver *drv = to_vlynq_driver(dev->driver); + struct vlynq_device_id *id = vlynq_get_drvdata(vdev); + int result = -ENODEV; + + get_device(dev); + if (drv && drv->probe) + result = drv->probe(vdev, id); + if (result) + put_device(dev); + return result; +} + +static int vlynq_device_remove(struct device *dev) +{ + struct vlynq_driver *drv = to_vlynq_driver(dev->driver); + if (drv && drv->remove) + drv->remove(to_vlynq_device(dev)); + put_device(dev); + return 0; +} + +int __vlynq_register_driver(struct vlynq_driver *driver, struct module *owner) +{ + driver->driver.name = driver->name; + driver->driver.bus = &vlynq_bus_type; + return driver_register(&driver->driver); +} +EXPORT_SYMBOL(__vlynq_register_driver); + +void vlynq_unregister_driver(struct vlynq_driver *driver) +{ + driver_unregister(&driver->driver); +} +EXPORT_SYMBOL(vlynq_unregister_driver); + +static int __vlynq_try_remote(struct vlynq_device *dev) +{ + int i; + + vlynq_reset(dev); + for (i = dev->dev_id ? vlynq_rdiv2 : vlynq_rdiv8; dev->dev_id ? + i <= vlynq_rdiv8 : i >= vlynq_rdiv2; + dev->dev_id ? i++ : i--) { + + if (!vlynq_linked(dev)) + break; + + vlynq_reg_write(dev->remote->control, + (vlynq_reg_read(dev->remote->control) & + ~VLYNQ_CTRL_CLOCK_MASK) | + VLYNQ_CTRL_CLOCK_INT | + VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1)); + vlynq_reg_write(dev->local->control, + ((vlynq_reg_read(dev->local->control) + & ~(VLYNQ_CTRL_CLOCK_INT | + VLYNQ_CTRL_CLOCK_MASK)) | + VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1))); + + if (vlynq_linked(dev)) { + printk(KERN_DEBUG + "%s: using remote clock divisor %d\n", + dev->dev.bus_id, i - vlynq_rdiv1 + 1); + dev->divisor = i; + return 0; + } else { + vlynq_reset(dev); + } + } + + return -ENODEV; +} + +static int __vlynq_try_local(struct vlynq_device *dev) +{ + int i; + + vlynq_reset(dev); + + for (i = dev->dev_id ? vlynq_ldiv2 : vlynq_ldiv8; dev->dev_id ? + i <= vlynq_ldiv8 : i >= vlynq_ldiv2; + dev->dev_id ? i++ : i--) { + + vlynq_reg_write(dev->local->control, + (vlynq_reg_read(dev->local->control) & + ~VLYNQ_CTRL_CLOCK_MASK) | + VLYNQ_CTRL_CLOCK_INT | + VLYNQ_CTRL_CLOCK_DIV(i - vlynq_ldiv1)); + + if (vlynq_linked(dev)) { + printk(KERN_DEBUG + "%s: using local clock divisor %d\n", + dev->dev.bus_id, i - vlynq_ldiv1 + 1); + dev->divisor = i; + return 0; + } else { + vlynq_reset(dev); + } + } + + return -ENODEV; +} + +static int __vlynq_try_external(struct vlynq_device *dev) +{ + vlynq_reset(dev); + if (!vlynq_linked(dev)) + return -ENODEV; + + vlynq_reg_write(dev->remote->control, + (vlynq_reg_read(dev->remote->control) & + ~VLYNQ_CTRL_CLOCK_INT)); + + vlynq_reg_write(dev->local->control, + (vlynq_reg_read(dev->local->control) & + ~VLYNQ_CTRL_CLOCK_INT)); + + if (vlynq_linked(dev)) { + printk(KERN_DEBUG "%s: using external clock\n", + dev->dev.bus_id); + dev->divisor = vlynq_div_external; + return 0; + } + + return -ENODEV; +} + +static int __vlynq_enable_device(struct vlynq_device *dev) +{ + int result; + struct plat_vlynq_ops *ops = dev->dev.platform_data; + + result = ops->on(dev); + if (result) + return result; + + switch (dev->divisor) { + case vlynq_div_external: + case vlynq_div_auto: + /* When the device is brought from reset it should have clock + generation negotiated by hardware. + Check which device is generating clocks and perform setup + accordingly */ + if (vlynq_linked(dev) && vlynq_reg_read(dev->remote->control) & + VLYNQ_CTRL_CLOCK_INT) { + if (!__vlynq_try_remote(dev) || + !__vlynq_try_local(dev) || + !__vlynq_try_external(dev)) + return 0; + } else { + if (!__vlynq_try_external(dev) || + !__vlynq_try_local(dev) || + !__vlynq_try_remote(dev)) + return 0; + } + break; + case vlynq_ldiv1: case vlynq_ldiv2: case vlynq_ldiv3: case vlynq_ldiv4: + case vlynq_ldiv5: case vlynq_ldiv6: case vlynq_ldiv7: case vlynq_ldiv8: + vlynq_reg_write(dev->local->control, + VLYNQ_CTRL_CLOCK_INT | + VLYNQ_CTRL_CLOCK_DIV(dev->divisor - + vlynq_ldiv1)); + vlynq_reg_write(dev->remote->control, 0); + if (vlynq_linked(dev)) { + printk(KERN_DEBUG + "%s: using local clock divisor %d\n", + dev->dev.bus_id, dev->divisor - vlynq_ldiv1 + 1); + return 0; + } + break; + case vlynq_rdiv1: case vlynq_rdiv2: case vlynq_rdiv3: case vlynq_rdiv4: + case vlynq_rdiv5: case vlynq_rdiv6: case vlynq_rdiv7: case vlynq_rdiv8: + vlynq_reg_write(dev->local->control, 0); + vlynq_reg_write(dev->remote->control, + VLYNQ_CTRL_CLOCK_INT | + VLYNQ_CTRL_CLOCK_DIV(dev->divisor - + vlynq_rdiv1)); + if (vlynq_linked(dev)) { + printk(KERN_DEBUG + "%s: using remote clock divisor %d\n", + dev->dev.bus_id, dev->divisor - vlynq_rdiv1 + 1); + return 0; + } + break; + } + + ops->off(dev); + return -ENODEV; +} + +int vlynq_enable_device(struct vlynq_device *dev) +{ + struct plat_vlynq_ops *ops = dev->dev.platform_data; + int result = -ENODEV; + + result = __vlynq_enable_device(dev); + if (result) + return result; + + result = vlynq_setup_irq(dev); + if (result) + ops->off(dev); + + dev->enabled = !result; + return result; +} +EXPORT_SYMBOL(vlynq_enable_device); + + +void vlynq_disable_device(struct vlynq_device *dev) +{ + struct plat_vlynq_ops *ops = dev->dev.platform_data; + + dev->enabled = 0; + free_irq(dev->irq, dev); + ops->off(dev); +} +EXPORT_SYMBOL(vlynq_disable_device); + +int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset, + struct vlynq_mapping *mapping) +{ + int i; + + if (!dev->enabled) + return -ENXIO; + + vlynq_reg_write(dev->local->tx_offset, tx_offset); + for (i = 0; i < 4; i++) { + vlynq_reg_write(dev->local->rx_mapping[i].offset, + mapping[i].offset); + vlynq_reg_write(dev->local->rx_mapping[i].size, + mapping[i].size); + } + return 0; +} +EXPORT_SYMBOL(vlynq_set_local_mapping); + +int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset, + struct vlynq_mapping *mapping) +{ + int i; + + if (!dev->enabled) + return -ENXIO; + + vlynq_reg_write(dev->remote->tx_offset, tx_offset); + for (i = 0; i < 4; i++) { + vlynq_reg_write(dev->remote->rx_mapping[i].offset, + mapping[i].offset); + vlynq_reg_write(dev->remote->rx_mapping[i].size, + mapping[i].size); + } + return 0; +} +EXPORT_SYMBOL(vlynq_set_remote_mapping); + +int vlynq_set_local_irq(struct vlynq_device *dev, int virq) +{ + int irq = dev->irq_start + virq; + if (dev->enabled) + return -EBUSY; + + if ((irq < dev->irq_start) || (irq > dev->irq_end)) + return -EINVAL; + + if (virq == dev->remote_irq) + return -EINVAL; + + dev->local_irq = virq; + + return 0; +} +EXPORT_SYMBOL(vlynq_set_local_irq); + +int vlynq_set_remote_irq(struct vlynq_device *dev, int virq) +{ + int irq = dev->irq_start + virq; + if (dev->enabled) + return -EBUSY; + + if ((irq < dev->irq_start) || (irq > dev->irq_end)) + return -EINVAL; + + if (virq == dev->local_irq) + return -EINVAL; + + dev->remote_irq = virq; + + return 0; +} +EXPORT_SYMBOL(vlynq_set_remote_irq); + +static int vlynq_probe(struct platform_device *pdev) +{ + struct vlynq_device *dev; + struct resource *regs_res, *mem_res, *irq_res; + int len, result; + + regs_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); + if (!regs_res) + return -ENODEV; + + mem_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem"); + if (!mem_res) + return -ENODEV; + + irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "devirq"); + if (!irq_res) + return -ENODEV; + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) { + printk(KERN_ERR + "vlynq: failed to allocate device structure\n"); + return -ENOMEM; + } + + dev->id = pdev->id; + dev->dev.bus = &vlynq_bus_type; + dev->dev.parent = &pdev->dev; + snprintf(dev->dev.bus_id, BUS_ID_SIZE, "vlynq%d", dev->id); + dev->dev.bus_id[BUS_ID_SIZE - 1] = 0; + dev->dev.platform_data = pdev->dev.platform_data; + dev->dev.release = vlynq_device_release; + + dev->regs_start = regs_res->start; + dev->regs_end = regs_res->end; + dev->mem_start = mem_res->start; + dev->mem_end = mem_res->end; + + len = regs_res->end - regs_res->start; + if (!request_mem_region(regs_res->start, len, dev->dev.bus_id)) { + printk(KERN_ERR "%s: Can't request vlynq registers\n", + dev->dev.bus_id); + result = -ENXIO; + goto fail_request; + } + + dev->local = ioremap(regs_res->start, len); + if (!dev->local) { + printk(KERN_ERR "%s: Can't remap vlynq registers\n", + dev->dev.bus_id); + result = -ENXIO; + goto fail_remap; + } + + dev->remote = (struct vlynq_regs *)((void *)dev->local + + VLYNQ_REMOTE_OFFSET); + + dev->irq = platform_get_irq_byname(pdev, "irq"); + dev->irq_start = irq_res->start; + dev->irq_end = irq_res->end; + dev->local_irq = dev->irq_end - dev->irq_start; + dev->remote_irq = dev->local_irq - 1; + + if (device_register(&dev->dev)) + goto fail_register; + platform_set_drvdata(pdev, dev); + + printk(KERN_INFO "%s: regs 0x%p, irq %d, mem 0x%p\n", + dev->dev.bus_id, (void *)dev->regs_start, dev->irq, + (void *)dev->mem_start); + + dev->dev_id = 0; + dev->divisor = vlynq_div_auto; + result = __vlynq_enable_device(dev); + if (result == 0) { + dev->dev_id = vlynq_reg_read(dev->remote->chip); + ((struct plat_vlynq_ops *)(dev->dev.platform_data))->off(dev); + } + if (dev->dev_id) + printk(KERN_INFO "Found a VLYNQ device: %08x\n", dev->dev_id); + + return 0; + +fail_register: + iounmap(dev->local); +fail_remap: +fail_request: + release_mem_region(regs_res->start, len); + kfree(dev); + return result; +} + +static int vlynq_remove(struct platform_device *pdev) +{ + struct vlynq_device *dev = platform_get_drvdata(pdev); + + device_unregister(&dev->dev); + iounmap(dev->local); + release_mem_region(dev->regs_start, dev->regs_end - dev->regs_start); + + kfree(dev); + + return 0; +} + +static struct platform_driver vlynq_platform_driver = { + .driver.name = "vlynq", + .probe = vlynq_probe, + .remove = __devexit_p(vlynq_remove), +}; + +struct bus_type vlynq_bus_type = { + .name = "vlynq", + .match = vlynq_device_match, + .probe = vlynq_device_probe, + .remove = vlynq_device_remove, +}; +EXPORT_SYMBOL(vlynq_bus_type); + +static int __devinit vlynq_init(void) +{ + int res = 0; + + res = bus_register(&vlynq_bus_type); + if (res) + goto fail_bus; + + res = platform_driver_register(&vlynq_platform_driver); + if (res) + goto fail_platform; + + return 0; + +fail_platform: + bus_unregister(&vlynq_bus_type); +fail_bus: + return res; +} + +static void __devexit vlynq_exit(void) +{ + platform_driver_unregister(&vlynq_platform_driver); + bus_unregister(&vlynq_bus_type); +} + +module_init(vlynq_init); +module_exit(vlynq_exit); diff --git a/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/ar7.h b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/ar7.h new file mode 100644 index 000000000..19b5289fd --- /dev/null +++ b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/ar7.h @@ -0,0 +1,198 @@ +/* + * Copyright (C) 2006,2007 Felix Fietkau + * Copyright (C) 2006,2007 Eugene Konev + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __AR7_H__ +#define __AR7_H__ + +#include +#include +#include + +#define AR7_REGS_BASE 0x08610000 + +#define AR7_REGS_MAC0 (AR7_REGS_BASE + 0x0000) +#define AR7_REGS_GPIO (AR7_REGS_BASE + 0x0900) +/* 0x08610A00 - 0x08610BFF (512 bytes, 128 bytes / clock) */ +#define AR7_REGS_POWER (AR7_REGS_BASE + 0x0a00) +#define AR7_REGS_UART0 (AR7_REGS_BASE + 0x0e00) +#define AR7_REGS_USB (AR7_REGS_BASE + 0x1200) +#define AR7_REGS_RESET (AR7_REGS_BASE + 0x1600) +#define AR7_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1800) +#define AR7_REGS_DCL (AR7_REGS_BASE + 0x1a00) +#define AR7_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1c00) +#define AR7_REGS_MDIO (AR7_REGS_BASE + 0x1e00) +#define AR7_REGS_IRQ (AR7_REGS_BASE + 0x2400) +#define AR7_REGS_MAC1 (AR7_REGS_BASE + 0x2800) + +#define AR7_REGS_WDT (AR7_REGS_BASE + 0x1f00) +#define UR8_REGS_WDT (AR7_REGS_BASE + 0x0b00) +#define UR8_REGS_UART1 (AR7_REGS_BASE + 0x0f00) + +#define TITAN_REGS_MAC0 (0x08640000) +#define TITAN_REGS_MAC1 (TITAN_REGS_MAC0 + 0x0800) +#define TITAN_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1c00) +#define TITAN_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1300) + +#define AR7_RESET_PEREPHERIAL 0x0 +#define AR7_RESET_SOFTWARE 0x4 +#define AR7_RESET_STATUS 0x8 + +#define AR7_RESET_BIT_CPMAC_LO 17 +#define AR7_RESET_BIT_CPMAC_HI 21 +#define AR7_RESET_BIT_MDIO 22 +#define AR7_RESET_BIT_EPHY 26 + +#define TITAN_RESET_BIT_EPHY1 28 + +/* GPIO control registers */ +#define AR7_GPIO_INPUT 0x0 +#define AR7_GPIO_OUTPUT 0x4 +#define AR7_GPIO_DIR 0x8 +#define AR7_GPIO_ENABLE 0xc +#define TITAN_GPIO_INPUT_0 0x0 +#define TITAN_GPIO_INPUT_1 0x4 +#define TITAN_GPIO_OUTPUT_0 0x8 +#define TITAN_GPIO_OUTPUT_1 0xc +#define TITAN_GPIO_DIR_0 0x10 +#define TITAN_GPIO_DIR_1 0x14 +#define TITAN_GPIO_ENBL_0 0x18 +#define TITAN_GPIO_ENBL_1 0x1c + +#define AR7_CHIP_7100 0x18 +#define AR7_CHIP_7200 0x2b +#define AR7_CHIP_7300 0x05 +#define AR7_CHIP_TITAN 0x07 +#define TITAN_CHIP_1050 0x0f +#define TITAN_CHIP_1055 0x0e +#define TITAN_CHIP_1056 0x0d +#define TITAN_CHIP_1060 0x07 + +/* Interrupts */ +#define AR7_IRQ_UART0 15 +#define AR7_IRQ_UART1 16 + +/* Clocks */ +#define AR7_AFE_CLOCK 35328000 +#define AR7_REF_CLOCK 25000000 +#define AR7_XTAL_CLOCK 24000000 + +struct plat_cpmac_data { + int reset_bit; + int power_bit; + u32 phy_mask; + char dev_addr[6]; +}; + +struct plat_dsl_data { + int reset_bit_dsl; + int reset_bit_sar; +}; + +extern int ar7_cpu_clock, ar7_bus_clock, ar7_dsp_clock; + +static inline int ar7_is_titan(void) +{ + return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x24)) & 0xffff) == + AR7_CHIP_TITAN; +} + +static inline u16 ar7_chip_id(void) +{ + return ar7_is_titan() ? AR7_CHIP_TITAN : (readl((void *) + KSEG1ADDR(AR7_REGS_GPIO + 0x14)) & 0xffff); +} + +static inline u8 ar7_chip_rev(void) +{ + return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + (ar7_is_titan() ? 0x24 : + 0x14))) >> 16) & 0xff; +} + +static inline int ar7_cpu_freq(void) +{ + return ar7_cpu_clock; +} + +static inline int ar7_bus_freq(void) +{ + return ar7_bus_clock; +} + +static inline int ar7_vbus_freq(void) +{ + return ar7_bus_clock / 2; +} +#define ar7_cpmac_freq ar7_vbus_freq + +static inline int ar7_dsp_freq(void) +{ + return ar7_dsp_clock; +} + +static inline int ar7_has_high_cpmac(void) +{ + u16 chip_id = ar7_chip_id(); + switch (chip_id) { + case AR7_CHIP_7100: + case AR7_CHIP_7200: + return 0; + default: + return 1; + } +} +#define ar7_has_high_vlynq ar7_has_high_cpmac +#define ar7_has_second_uart ar7_has_high_cpmac + +static inline void ar7_device_enable(u32 bit) +{ + void *reset_reg = + (void *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PEREPHERIAL); + writel(readl(reset_reg) | (1 << bit), reset_reg); + mdelay(20); +} + +static inline void ar7_device_disable(u32 bit) +{ + void *reset_reg = + (void *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PEREPHERIAL); + writel(readl(reset_reg) & ~(1 << bit), reset_reg); + mdelay(20); +} + +static inline void ar7_device_reset(u32 bit) +{ + ar7_device_disable(bit); + ar7_device_enable(bit); +} + +static inline void ar7_device_on(u32 bit) +{ + void *power_reg = (void *)KSEG1ADDR(AR7_REGS_POWER); + writel(readl(power_reg) | (1 << bit), power_reg); + mdelay(20); +} + +static inline void ar7_device_off(u32 bit) +{ + void *power_reg = (void *)KSEG1ADDR(AR7_REGS_POWER); + writel(readl(power_reg) & ~(1 << bit), power_reg); + mdelay(20); +} + +#endif /* __AR7_H__ */ diff --git a/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/gpio.h b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/gpio.h new file mode 100644 index 000000000..fde93bc7c --- /dev/null +++ b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/gpio.h @@ -0,0 +1,269 @@ +/* + * Copyright (C) 2007 Florian Fainelli + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __AR7_GPIO_H__ +#define __AR7_GPIO_H__ +#include +#ifndef __AR7_TITAN_H__ +#include +#endif + +#define AR7_GPIO_MAX 32 +#define TITAN_GPIO_MAX 51 + +extern int gpio_request(unsigned gpio, const char *label); +extern void gpio_free(unsigned gpio); + +/* Common GPIO layer */ +static inline int gpio_get_value_ar7(unsigned gpio) +{ + void __iomem *gpio_in = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_INPUT); + + return readl(gpio_in) & (1 << gpio); +} + +static inline int gpio_get_value_titan(unsigned gpio) +{ + void __iomem *gpio_in0 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_0); + void __iomem *gpio_in1 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_1); + + return readl(gpio >> 5 ? gpio_in1 : gpio_in0) & (1 << (gpio & 0x1f)); +} + +static inline int gpio_get_value(unsigned gpio) +{ + return ar7_is_titan() ? gpio_get_value_titan(gpio) : + gpio_get_value_ar7(gpio); +} + +static inline void gpio_set_value_ar7(unsigned gpio, int value) +{ + void __iomem *gpio_out = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); + unsigned tmp; + + tmp = readl(gpio_out) & ~(1 << gpio); + if (value) + tmp |= 1 << gpio; + writel(tmp, gpio_out); +} + +static inline void gpio_set_value_titan(unsigned gpio, int value) +{ + void __iomem *gpio_out0 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_OUTPUT_0); + void __iomem *gpio_out1 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_OUTPUT_1); + unsigned tmp; + + tmp = readl(gpio >> 5 ? gpio_out1 : gpio_out0) & ~(1 << (gpio & 0x1f)); + if (value) + tmp |= 1 << (gpio & 0x1f); + writel(tmp, gpio >> 5 ? gpio_out1 : gpio_out0); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + if (ar7_is_titan()) + gpio_set_value_titan(gpio, value); + else + gpio_set_value_ar7(gpio, value); +} + +static inline int gpio_direction_input_ar7(unsigned gpio) +{ + void __iomem *gpio_dir = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR); + + if (gpio >= AR7_GPIO_MAX) + return -EINVAL; + + writel(readl(gpio_dir) | (1 << gpio), gpio_dir); + + return 0; +} + +static inline int gpio_direction_input_titan(unsigned gpio) +{ + void __iomem *gpio_dir0 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_0); + void __iomem *gpio_dir1 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_1); + + if (gpio >= TITAN_GPIO_MAX) + return -EINVAL; + + writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) | (1 << (gpio & 0x1f)), + gpio >> 5 ? gpio_dir1 : gpio_dir0); + + return 0; +} + +static inline int gpio_direction_input(unsigned gpio) +{ + return ar7_is_titan() ? gpio_direction_input_titan(gpio) : + gpio_direction_input_ar7(gpio); +} + +static inline int gpio_direction_output_ar7(unsigned gpio, int value) +{ + void __iomem *gpio_dir = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR); + + if (gpio >= AR7_GPIO_MAX) + return -EINVAL; + + gpio_set_value(gpio, value); + writel(readl(gpio_dir) & ~(1 << gpio), gpio_dir); + + return 0; +} + +static inline int gpio_direction_output_titan(unsigned gpio, int value) +{ + void __iomem *gpio_dir0 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_0); + void __iomem *gpio_dir1 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_1); + + if (gpio >= TITAN_GPIO_MAX) + return -EINVAL; + + gpio_set_value_titan(gpio, value); + writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) & ~(1 << + (gpio & 0x1f)), gpio >> 5 ? gpio_dir1 : gpio_dir0); + + return 0; +} + +static inline int gpio_direction_output(unsigned gpio, int value) +{ + return ar7_is_titan() ? gpio_direction_output_titan(gpio, value) : + gpio_direction_output_ar7(gpio, value); +} + +static inline int gpio_to_irq(unsigned gpio) +{ + return -EINVAL; +} + +static inline int irq_to_gpio(unsigned irq) +{ + return -EINVAL; +} + +/* Board specific GPIO functions */ +static inline int ar7_gpio_enable_ar7(unsigned gpio) +{ + void __iomem *gpio_en = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); + + writel(readl(gpio_en) | (1 << gpio), gpio_en); + + return 0; +} + +static inline int ar7_gpio_enable_titan(unsigned gpio) +{ + void __iomem *gpio_en0 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_0); + void __iomem *gpio_en1 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_1); + + writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) | (1 << (gpio & 0x1f)), + gpio >> 5 ? gpio_en1 : gpio_en0); + + return 0; +} + +static inline int ar7_gpio_enable(unsigned gpio) +{ + return ar7_is_titan() ? ar7_gpio_enable_titan(gpio) : + ar7_gpio_enable_ar7(gpio); +} + +static inline int ar7_gpio_disable_ar7(unsigned gpio) +{ + void __iomem *gpio_en = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); + + writel(readl(gpio_en) & ~(1 << gpio), gpio_en); + + return 0; +} + +static inline int ar7_gpio_disable_titan(unsigned gpio) +{ + void __iomem *gpio_en0 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_0); + void __iomem *gpio_en1 = + (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_1); + + writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) & ~(1 << (gpio & 0x1f)), + gpio >> 5 ? gpio_en1 : gpio_en0); + + return 0; +} + +static inline int ar7_gpio_disable(unsigned gpio) +{ + return ar7_is_titan() ? ar7_gpio_disable_titan(gpio) : + ar7_gpio_disable_ar7(gpio); +} + +static inline int ar7_init_titan_variant( void ) +{ + /*UINT32 new_val;*/ + unsigned new_val; + + /* set GPIO 44 - 47 as input */ + /*PAL_sysGpioCtrl(const int, GPIO_PIN, GPIO_INPUT_PIN); */ + /*define titan_gpio_ctrl in titan.h*/ + titan_gpio_ctrl(44, GPIO_PIN, GPIO_INPUT_PIN); + titan_gpio_ctrl(45, GPIO_PIN, GPIO_INPUT_PIN); + titan_gpio_ctrl(46, GPIO_PIN, GPIO_INPUT_PIN); + titan_gpio_ctrl(47, GPIO_PIN, GPIO_INPUT_PIN); + + /* read GPIO to get Titan variant type */ + /*fix this*/ + titan_sysGpioInValue( &new_val, 1 ); + + new_val >>= 12; + new_val &= 0x0f; + + switch ( new_val ) + { + case TITAN_CHIP_1050: + case TITAN_CHIP_1055: + case TITAN_CHIP_1056: + case TITAN_CHIP_1060: + return new_val; + + default: + break; + } + /* In case we get an invalid value, return the default Titan chip */ + return TITAN_CHIP_1050; +} + +#include + +#endif diff --git a/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/irq.h b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/irq.h new file mode 100644 index 000000000..39e9757e3 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/irq.h @@ -0,0 +1,16 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Shamelessly copied from asm-mips/mach-emma2rh/ + * Copyright (C) 2003 by Ralf Baechle + */ +#ifndef __ASM_AR7_IRQ_H +#define __ASM_AR7_IRQ_H + +#define NR_IRQS 256 + +#include_next + +#endif /* __ASM_AR7_IRQ_H */ diff --git a/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/prom.h b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/prom.h new file mode 100644 index 000000000..55f5939db --- /dev/null +++ b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/prom.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2006, 2007 Florian Fainelli + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __PROM_H__ +#define __PROM_H__ + +extern char *prom_getenv(const char *name); +extern void prom_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); +extern void prom_meminit(void); + +#endif /* __PROM_H__ */ diff --git a/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/spaces.h b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/spaces.h new file mode 100644 index 000000000..f4d123792 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/spaces.h @@ -0,0 +1,32 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1994 - 1999, 2000, 03, 04 Ralf Baechle + * Copyright (C) 2000, 2002 Maciej W. Rozycki + * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc. + */ +#ifndef _ASM_AR7_SPACES_H +#define _ASM_AR7_SPACES_H + +#define CAC_BASE 0x80000000 +#define IO_BASE 0xa0000000 +#define UNCAC_BASE 0xa0000000 +#define MAP_BASE 0xc0000000 + +/* + * This handles the memory map. + * We handle pages at KSEG0 for kernels with 32 bit address space. + */ +#define PAGE_OFFSET 0x94000000UL +#define PHYS_OFFSET 0x14000000UL + +/* + * Memory above this physical address will be considered highmem. + */ +#ifndef HIGHMEM_START +#define HIGHMEM_START 0x40000000UL +#endif + +#endif /* __ASM_AR7_SPACES_H */ diff --git a/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/titan.h b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/titan.h new file mode 100644 index 000000000..0c2a51fde --- /dev/null +++ b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/titan.h @@ -0,0 +1,178 @@ +/* + * Copyright (C) 2008 Stanley Pinchak + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef __AR7_TITAN_H__ +#define __AR7_TITAN_H__ + +#ifndef __AR7_GPIO_H__ +#include +#endif + +typedef enum TITAN_GPIO_PIN_MODE_tag +{ + FUNCTIONAL_PIN = 0, + GPIO_PIN = 1 +} TITAN_GPIO_PIN_MODE_T; + +typedef enum TITAN_GPIO_PIN_DIRECTION_tag +{ + GPIO_OUTPUT_PIN = 0, + GPIO_INPUT_PIN = 1 +} TITAN_GPIO_PIN_DIRECTION_T; + +/********************************************************************** + * GPIO Control + **********************************************************************/ + +typedef struct +{ + int pinSelReg; + int shift; + int func; + +} GPIO_CFG; + +static GPIO_CFG gptable[]= { + /* PIN_SEL_REG, START_BIT, GPIO_CFG_MUX_VALUE */ + {4,24,1}, + {4,26,1}, + {4,28,1}, + {4,30,1}, + {5,6,1}, + {5,8,1}, + {5,10,1}, + {5,12,1}, + {7,14,3}, + {7,16,3}, + {7,18,3}, + {7,20,3}, + {7,22,3}, + {7,26,3}, + {7,28,3}, + {7,30,3}, + {8,0,3}, + {8,2,3}, + {8,4,3}, + {8,10,3}, + {8,14,3}, + {8,16,3}, + {8,18,3}, + {8,20,3}, + {9,8,3}, + {9,10,3}, + {9,12,3}, + {9,14,3}, + {9,18,3}, + {9,20,3}, + {9,24,3}, + {9,26,3}, + {9,28,3}, + {9,30,3}, + {10,0,3}, + {10,2,3}, + {10,8,3}, + {10,10,3}, + {10,12,3}, + {10,14,3}, + {13,12,3}, + {13,14,3}, + {13,16,3}, + {13,18,3}, + {13,24,3}, + {13,26,3}, + {13,28,3}, + {13,30,3}, + {14,2,3}, + {14,6,3}, + {14,8,3}, + {14,12,3} +}; + +typedef struct +{ + volatile unsigned int reg[21]; +} +PIN_SEL_REG_ARRAY_T; + +typedef struct +{ + unsigned int data_in [2]; + unsigned int data_out[2]; + unsigned int dir[2]; + unsigned int enable[2]; + +} TITAN_GPIO_CONTROL_T; + +#define AVALANCHE_PIN_SEL_BASE 0xA861160C /*replace with KSEG1ADDR()*/ + +static inline int titan_gpio_ctrl(unsigned int gpio_pin, TITAN_GPIO_PIN_MODE_T pin_mode, + TITAN_GPIO_PIN_DIRECTION_T pin_direction) +{ + int reg_index = 0; + int mux_status; + GPIO_CFG gpio_cfg; + volatile PIN_SEL_REG_ARRAY_T *pin_sel_array = (PIN_SEL_REG_ARRAY_T*) AVALANCHE_PIN_SEL_BASE; + volatile TITAN_GPIO_CONTROL_T *gpio_cntl = (TITAN_GPIO_CONTROL_T*) KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_0); + + if (gpio_pin > 51 ) + return(-1); + + gpio_cfg = gptable[gpio_pin]; + mux_status = (pin_sel_array->reg[gpio_cfg.pinSelReg - 1] >> gpio_cfg.shift) & 0x3; + if(!((mux_status == 0 /* tri-stated */ ) || (mux_status == gpio_cfg.func /*GPIO functionality*/))) + { + return(-1); /* Pin have been configured for non GPIO funcs. */ + } + + /* Set the pin to be used as GPIO. */ + pin_sel_array->reg[gpio_cfg.pinSelReg - 1] |= ((gpio_cfg.func & 0x3) << gpio_cfg.shift); + + /* Check whether gpio refers to the first GPIO reg or second. */ + if(gpio_pin > 31) + { + reg_index = 1; + gpio_pin -= 32; + } + + if(pin_mode) + gpio_cntl->enable[reg_index] |= (1 << gpio_pin); /* Enable */ + else + gpio_cntl->enable[reg_index] &= ~(1 << gpio_pin); + + if(pin_direction) + gpio_cntl->dir[reg_index] |= (1 << gpio_pin); /* Input */ + else + gpio_cntl->dir[reg_index] &= ~(1 << gpio_pin); + + return(0); + +}/* end of function titan_gpio_ctrl */ + +static inline int titan_sysGpioInValue(unsigned int *in_val, unsigned int reg_index) +{ + volatile TITAN_GPIO_CONTROL_T *gpio_cntl = (TITAN_GPIO_CONTROL_T*) KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_0); + + if(reg_index > 1) + return (-1); + + *in_val = gpio_cntl->data_in[reg_index]; + + return (0); +} + + +#endif diff --git a/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/war.h b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/war.h new file mode 100644 index 000000000..4a2b7986b --- /dev/null +++ b/target/linux/ar7/files-2.6.30/include/asm-mips/ar7/war.h @@ -0,0 +1,25 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2002, 2004, 2007 by Ralf Baechle + */ +#ifndef __ASM_MIPS_MACH_BCM947XX_WAR_H +#define __ASM_MIPS_MACH_BCM947XX_WAR_H + +#define R4600_V1_INDEX_ICACHEOP_WAR 0 +#define R4600_V1_HIT_CACHEOP_WAR 0 +#define R4600_V2_HIT_CACHEOP_WAR 0 +#define R5432_CP0_INTERRUPT_WAR 0 +#define BCM1250_M3_WAR 0 +#define SIBYTE_1956_WAR 0 +#define MIPS4K_ICACHE_REFILL_WAR 0 +#define MIPS_CACHE_SYNC_WAR 0 +#define TX49XX_ICACHE_INDEX_INV_WAR 0 +#define RM9000_CDEX_SMP_WAR 0 +#define ICACHE_REFILLS_WORKAROUND_WAR 0 +#define R10000_LLSC_WAR 0 +#define MIPS34K_MISSED_ITLB_WAR 0 + +#endif /* __ASM_MIPS_MACH_BCM947XX_WAR_H */ diff --git a/target/linux/ar7/files-2.6.30/include/linux/vlynq.h b/target/linux/ar7/files-2.6.30/include/linux/vlynq.h new file mode 100644 index 000000000..8f6a95882 --- /dev/null +++ b/target/linux/ar7/files-2.6.30/include/linux/vlynq.h @@ -0,0 +1,161 @@ +/* + * Copyright (C) 2006, 2007 Eugene Konev + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __VLYNQ_H__ +#define __VLYNQ_H__ + +#include +#include +#include + +#define VLYNQ_NUM_IRQS 32 + +struct vlynq_mapping { + u32 size; + u32 offset; +}; + +enum vlynq_divisor { + vlynq_div_auto = 0, + vlynq_ldiv1, + vlynq_ldiv2, + vlynq_ldiv3, + vlynq_ldiv4, + vlynq_ldiv5, + vlynq_ldiv6, + vlynq_ldiv7, + vlynq_ldiv8, + vlynq_rdiv1, + vlynq_rdiv2, + vlynq_rdiv3, + vlynq_rdiv4, + vlynq_rdiv5, + vlynq_rdiv6, + vlynq_rdiv7, + vlynq_rdiv8, + vlynq_div_external +}; + +struct vlynq_device_id { + u32 id; + enum vlynq_divisor divisor; + unsigned long driver_data; +}; + +struct vlynq_regs; +struct vlynq_device { + u32 id, dev_id; + int local_irq; + int remote_irq; + enum vlynq_divisor divisor; + u32 regs_start, regs_end; + u32 mem_start, mem_end; + u32 irq_start, irq_end; + int irq; + int enabled; + struct vlynq_regs *local; + struct vlynq_regs *remote; + struct device dev; +}; + +struct vlynq_driver { + char *name; + struct vlynq_device_id *id_table; + int (*probe)(struct vlynq_device *dev, struct vlynq_device_id *id); + void (*remove)(struct vlynq_device *dev); + struct device_driver driver; +}; + +struct plat_vlynq_ops { + int (*on)(struct vlynq_device *dev); + void (*off)(struct vlynq_device *dev); +}; + +static inline struct vlynq_driver *to_vlynq_driver(struct device_driver *drv) +{ + return container_of(drv, struct vlynq_driver, driver); +} + +static inline struct vlynq_device *to_vlynq_device(struct device *device) +{ + return container_of(device, struct vlynq_device, dev); +} + +extern struct bus_type vlynq_bus_type; + +extern int __vlynq_register_driver(struct vlynq_driver *driver, + struct module *owner); + +static inline int vlynq_register_driver(struct vlynq_driver *driver) +{ + return __vlynq_register_driver(driver, THIS_MODULE); +} + +static inline void *vlynq_get_drvdata(struct vlynq_device *dev) +{ + return dev_get_drvdata(&dev->dev); +} + +static inline void vlynq_set_drvdata(struct vlynq_device *dev, void *data) +{ + dev_set_drvdata(&dev->dev, data); +} + +static inline u32 vlynq_mem_start(struct vlynq_device *dev) +{ + return dev->mem_start; +} + +static inline u32 vlynq_mem_end(struct vlynq_device *dev) +{ + return dev->mem_end; +} + +static inline u32 vlynq_mem_len(struct vlynq_device *dev) +{ + return dev->mem_end - dev->mem_start + 1; +} + +static inline int vlynq_virq_to_irq(struct vlynq_device *dev, int virq) +{ + int irq = dev->irq_start + virq; + if ((irq < dev->irq_start) || (irq > dev->irq_end)) + return -EINVAL; + + return irq; +} + +static inline int vlynq_irq_to_virq(struct vlynq_device *dev, int irq) +{ + if ((irq < dev->irq_start) || (irq > dev->irq_end)) + return -EINVAL; + + return irq - dev->irq_start; +} + +extern void vlynq_unregister_driver(struct vlynq_driver *driver); +extern int vlynq_enable_device(struct vlynq_device *dev); +extern void vlynq_disable_device(struct vlynq_device *dev); +extern int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset, + struct vlynq_mapping *mapping); +extern int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset, + struct vlynq_mapping *mapping); +extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq); +extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq); + +#endif /* __VLYNQ_H__ */ diff --git a/target/linux/ar7/files/arch/mips/ar7/Makefile b/target/linux/ar7/files/arch/mips/ar7/Makefile deleted file mode 100644 index 7435e44b3..000000000 --- a/target/linux/ar7/files/arch/mips/ar7/Makefile +++ /dev/null @@ -1,10 +0,0 @@ - -obj-y := \ - prom.o \ - setup.o \ - memory.o \ - irq.o \ - time.o \ - platform.o \ - gpio.o \ - clock.o diff --git a/target/linux/ar7/files/arch/mips/ar7/clock.c b/target/linux/ar7/files/arch/mips/ar7/clock.c deleted file mode 100644 index 25e6b7326..000000000 --- a/target/linux/ar7/files/arch/mips/ar7/clock.c +++ /dev/null @@ -1,483 +0,0 @@ -/* - * Copyright (C) 2007 Felix Fietkau - * Copyright (C) 2007 Eugene Konev - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include -#include -#include -#include - -#define BOOT_PLL_SOURCE_MASK 0x3 -#define CPU_PLL_SOURCE_SHIFT 16 -#define BUS_PLL_SOURCE_SHIFT 14 -#define USB_PLL_SOURCE_SHIFT 18 -#define DSP_PLL_SOURCE_SHIFT 22 -#define BOOT_PLL_SOURCE_AFE 0 -#define BOOT_PLL_SOURCE_BUS 0 -#define BOOT_PLL_SOURCE_REF 1 -#define BOOT_PLL_SOURCE_XTAL 2 -#define BOOT_PLL_SOURCE_CPU 3 -#define BOOT_PLL_BYPASS 0x00000020 -#define BOOT_PLL_ASYNC_MODE 0x02000000 -#define BOOT_PLL_2TO1_MODE 0x00008000 - -#define TNETD7200_CLOCK_ID_CPU 0 -#define TNETD7200_CLOCK_ID_DSP 1 -#define TNETD7200_CLOCK_ID_USB 2 - -#define TNETD7200_DEF_CPU_CLK 211000000 -#define TNETD7200_DEF_DSP_CLK 125000000 -#define TNETD7200_DEF_USB_CLK 48000000 - -struct tnetd7300_clock { - u32 ctrl; -#define PREDIV_MASK 0x001f0000 -#define PREDIV_SHIFT 16 -#define POSTDIV_MASK 0x0000001f - u32 unused1[3]; - u32 pll; -#define MUL_MASK 0x0000f000 -#define MUL_SHIFT 12 -#define PLL_MODE_MASK 0x00000001 -#define PLL_NDIV 0x00000800 -#define PLL_DIV 0x00000002 -#define PLL_STATUS 0x00000001 - u32 unused2[3]; -}; - -struct tnetd7300_clocks { - struct tnetd7300_clock bus; - struct tnetd7300_clock cpu; - struct tnetd7300_clock usb; - struct tnetd7300_clock dsp; -}; - -struct tnetd7200_clock { - u32 ctrl; - u32 unused1[3]; -#define DIVISOR_ENABLE_MASK 0x00008000 - u32 mul; - u32 prediv; - u32 postdiv; - u32 postdiv2; - u32 unused2[6]; - u32 cmd; - u32 status; - u32 cmden; - u32 padding[15]; -}; - -struct tnetd7200_clocks { - struct tnetd7200_clock cpu; - struct tnetd7200_clock dsp; - struct tnetd7200_clock usb; -}; - -int ar7_cpu_clock = 150000000; -EXPORT_SYMBOL(ar7_cpu_clock); -int ar7_bus_clock = 125000000; -EXPORT_SYMBOL(ar7_bus_clock); -int ar7_dsp_clock; -EXPORT_SYMBOL(ar7_dsp_clock); - -static int gcd(int a, int b) -{ - int c; - - if (a < b) { - c = a; - a = b; - b = c; - } - while ((c = (a % b))) { - a = b; - b = c; - } - return b; -} - -static void approximate(int base, int target, int *prediv, - int *postdiv, int *mul) -{ - int i, j, k, freq, res = target; - for (i = 1; i <= 16; i++) - for (j = 1; j <= 32; j++) - for (k = 1; k <= 32; k++) { - freq = abs(base / j * i / k - target); - if (freq < res) { - res = freq; - *mul = i; - *prediv = j; - *postdiv = k; - } - } -} - -static void calculate(int base, int target, int *prediv, int *postdiv, - int *mul) -{ - int tmp_gcd, tmp_base, tmp_freq; - - for (*prediv = 1; *prediv <= 32; (*prediv)++) { - tmp_base = base / *prediv; - tmp_gcd = gcd(target, tmp_base); - *mul = target / tmp_gcd; - *postdiv = tmp_base / tmp_gcd; - if ((*mul < 1) || (*mul >= 16)) - continue; - if ((*postdiv > 0) & (*postdiv <= 32)) - break; - } - - if (base / (*prediv) * (*mul) / (*postdiv) != target) { - approximate(base, target, prediv, postdiv, mul); - tmp_freq = base / (*prediv) * (*mul) / (*postdiv); - printk(KERN_WARNING - "Adjusted requested frequency %d to %d\n", - target, tmp_freq); - } - - printk(KERN_DEBUG "Clocks: prediv: %d, postdiv: %d, mul: %d\n", - *prediv, *postdiv, *mul); -} - -static int tnetd7300_dsp_clock(void) -{ - u32 didr1, didr2; - u8 rev = ar7_chip_rev(); - didr1 = readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x18)); - didr2 = readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x1c)); - if (didr2 & (1 << 23)) - return 0; - if ((rev >= 0x23) && (rev != 0x57)) - return 250000000; - if ((((didr2 & 0x1fff) << 10) | ((didr1 & 0xffc00000) >> 22)) - > 4208000) - return 250000000; - return 0; -} - -static int tnetd7300_get_clock(u32 shift, struct tnetd7300_clock *clock, - u32 *bootcr, u32 bus_clock) -{ - int product; - int base_clock = AR7_REF_CLOCK; - u32 ctrl = readl(&clock->ctrl); - u32 pll = readl(&clock->pll); - int prediv = ((ctrl & PREDIV_MASK) >> PREDIV_SHIFT) + 1; - int postdiv = (ctrl & POSTDIV_MASK) + 1; - int divisor = prediv * postdiv; - int mul = ((pll & MUL_MASK) >> MUL_SHIFT) + 1; - - switch ((*bootcr & (BOOT_PLL_SOURCE_MASK << shift)) >> shift) { - case BOOT_PLL_SOURCE_BUS: - base_clock = bus_clock; - break; - case BOOT_PLL_SOURCE_REF: - base_clock = AR7_REF_CLOCK; - break; - case BOOT_PLL_SOURCE_XTAL: - base_clock = AR7_XTAL_CLOCK; - break; - case BOOT_PLL_SOURCE_CPU: - base_clock = ar7_cpu_clock; - break; - } - - if (*bootcr & BOOT_PLL_BYPASS) - return base_clock / divisor; - - if ((pll & PLL_MODE_MASK) == 0) - return (base_clock >> (mul / 16 + 1)) / divisor; - - if ((pll & (PLL_NDIV | PLL_DIV)) == (PLL_NDIV | PLL_DIV)) { - product = (mul & 1) ? - (base_clock * mul) >> 1 : - (base_clock * (mul - 1)) >> 2; - return product / divisor; - } - - if (mul == 16) - return base_clock / divisor; - - return base_clock * mul / divisor; -} - -static void tnetd7300_set_clock(u32 shift, struct tnetd7300_clock *clock, - u32 *bootcr, u32 frequency) -{ - int prediv, postdiv, mul; - int base_clock = ar7_bus_clock; - - switch ((*bootcr & (BOOT_PLL_SOURCE_MASK << shift)) >> shift) { - case BOOT_PLL_SOURCE_BUS: - base_clock = ar7_bus_clock; - break; - case BOOT_PLL_SOURCE_REF: - base_clock = AR7_REF_CLOCK; - break; - case BOOT_PLL_SOURCE_XTAL: - base_clock = AR7_XTAL_CLOCK; - break; - case BOOT_PLL_SOURCE_CPU: - base_clock = ar7_cpu_clock; - break; - } - - calculate(base_clock, frequency, &prediv, &postdiv, &mul); - - writel(((prediv - 1) << PREDIV_SHIFT) | (postdiv - 1), &clock->ctrl); - mdelay(1); - writel(4, &clock->pll); - while (readl(&clock->pll) & PLL_STATUS); - writel(((mul - 1) << MUL_SHIFT) | (0xff << 3) | 0x0e, &clock->pll); - mdelay(75); -} - -static void __init tnetd7300_init_clocks(void) -{ - u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); - struct tnetd7300_clocks *clocks = - (struct tnetd7300_clocks *) - ioremap_nocache(AR7_REGS_POWER + 0x20, - sizeof(struct tnetd7300_clocks)); - - ar7_bus_clock = tnetd7300_get_clock(BUS_PLL_SOURCE_SHIFT, - &clocks->bus, bootcr, AR7_AFE_CLOCK); - - if (*bootcr & BOOT_PLL_ASYNC_MODE) - ar7_cpu_clock = tnetd7300_get_clock(CPU_PLL_SOURCE_SHIFT, - &clocks->cpu, bootcr, AR7_AFE_CLOCK); - else - ar7_cpu_clock = ar7_bus_clock; -/* - tnetd7300_set_clock(USB_PLL_SOURCE_SHIFT, &clocks->usb, - bootcr, 48000000); -*/ - if (ar7_dsp_clock == 250000000) - tnetd7300_set_clock(DSP_PLL_SOURCE_SHIFT, &clocks->dsp, - bootcr, ar7_dsp_clock); - - iounmap(clocks); - iounmap(bootcr); -} - -static int tnetd7200_get_clock(int base, struct tnetd7200_clock *clock, - u32 *bootcr, u32 bus_clock) -{ - int divisor = ((readl(&clock->prediv) & 0x1f) + 1) * - ((readl(&clock->postdiv) & 0x1f) + 1); - - if (*bootcr & BOOT_PLL_BYPASS) - return base / divisor; - - return base * ((readl(&clock->mul) & 0xf) + 1) / divisor; -} - - -static void tnetd7200_set_clock(int base, struct tnetd7200_clock *clock, - int prediv, int postdiv, int postdiv2, int mul, u32 frequency) -{ - printk(KERN_INFO - "Clocks: base = %d, frequency = %u, prediv = %d, " - "postdiv = %d, postdiv2 = %d, mul = %d\n", - base, frequency, prediv, postdiv, postdiv2, mul); - - writel(0, &clock->ctrl); - writel(DIVISOR_ENABLE_MASK | ((prediv - 1) & 0x1F), &clock->prediv); - writel((mul - 1) & 0xF, &clock->mul); - - for (mul = 0; mul < 2000; mul++) /* nop */; - - while (readl(&clock->status) & 0x1) /* nop */; - - writel(DIVISOR_ENABLE_MASK | ((postdiv - 1) & 0x1F), &clock->postdiv); - - writel(readl(&clock->cmden) | 1, &clock->cmden); - writel(readl(&clock->cmd) | 1, &clock->cmd); - - while (readl(&clock->status) & 0x1) /* nop */; - - writel(DIVISOR_ENABLE_MASK | ((postdiv2 - 1) & 0x1F), &clock->postdiv2); - - writel(readl(&clock->cmden) | 1, &clock->cmden); - writel(readl(&clock->cmd) | 1, &clock->cmd); - - while (readl(&clock->status) & 0x1) /* nop */; - - writel(readl(&clock->ctrl) | 1, &clock->ctrl); -} - -static int tnetd7200_get_clock_base(int clock_id, u32 *bootcr) -{ - if (*bootcr & BOOT_PLL_ASYNC_MODE) - /* Async */ - switch (clock_id) { - case TNETD7200_CLOCK_ID_DSP: - return AR7_REF_CLOCK; - default: - return AR7_AFE_CLOCK; - } - else - /* Sync */ - if (*bootcr & BOOT_PLL_2TO1_MODE) - /* 2:1 */ - switch (clock_id) { - case TNETD7200_CLOCK_ID_DSP: - return AR7_REF_CLOCK; - default: - return AR7_AFE_CLOCK; - } - else - /* 1:1 */ - return AR7_REF_CLOCK; -} - - -static void __init tnetd7200_init_clocks(void) -{ - u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); - struct tnetd7200_clocks *clocks = - (struct tnetd7200_clocks *) - ioremap_nocache(AR7_REGS_POWER + 0x80, - sizeof(struct tnetd7200_clocks)); - int cpu_base, cpu_mul, cpu_prediv, cpu_postdiv; - int dsp_base, dsp_mul, dsp_prediv, dsp_postdiv; - int usb_base, usb_mul, usb_prediv, usb_postdiv; - -/* - Log from Fritz!Box 7170 Annex B: - - CPU revision is: 00018448 - Clocks: Async mode - Clocks: Setting DSP clock - Clocks: prediv: 1, postdiv: 1, mul: 5 - Clocks: base = 25000000, frequency = 125000000, prediv = 1, - postdiv = 2, postdiv2 = 1, mul = 10 - Clocks: Setting CPU clock - Adjusted requested frequency 211000000 to 211968000 - Clocks: prediv: 1, postdiv: 1, mul: 6 - Clocks: base = 35328000, frequency = 211968000, prediv = 1, - postdiv = 1, postdiv2 = -1, mul = 6 - Clocks: Setting USB clock - Adjusted requested frequency 48000000 to 48076920 - Clocks: prediv: 13, postdiv: 1, mul: 5 - Clocks: base = 125000000, frequency = 48000000, prediv = 13, - postdiv = 1, postdiv2 = -1, mul = 5 - - DSL didn't work if you didn't set the postdiv 2:1 postdiv2 combination, - driver hung on startup. - Haven't tested this on a synchronous board, - neither do i know what to do with ar7_dsp_clock -*/ - - cpu_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_CPU, bootcr); - dsp_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_DSP, bootcr); - - if (*bootcr & BOOT_PLL_ASYNC_MODE) { - printk(KERN_INFO "Clocks: Async mode\n"); - - printk(KERN_INFO "Clocks: Setting DSP clock\n"); - calculate(dsp_base, TNETD7200_DEF_DSP_CLK, - &dsp_prediv, &dsp_postdiv, &dsp_mul); - ar7_bus_clock = - ((dsp_base / dsp_prediv) * dsp_mul) / dsp_postdiv; - tnetd7200_set_clock(dsp_base, &clocks->dsp, - dsp_prediv, dsp_postdiv * 2, dsp_postdiv, dsp_mul * 2, - ar7_bus_clock); - - printk(KERN_INFO "Clocks: Setting CPU clock\n"); - calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, - &cpu_postdiv, &cpu_mul); - ar7_cpu_clock = - ((cpu_base / cpu_prediv) * cpu_mul) / cpu_postdiv; - tnetd7200_set_clock(cpu_base, &clocks->cpu, - cpu_prediv, cpu_postdiv, -1, cpu_mul, - ar7_cpu_clock); - - } else - if (*bootcr & BOOT_PLL_2TO1_MODE) { - printk(KERN_INFO "Clocks: Sync 2:1 mode\n"); - - printk(KERN_INFO "Clocks: Setting CPU clock\n"); - calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, - &cpu_postdiv, &cpu_mul); - ar7_cpu_clock = ((cpu_base / cpu_prediv) * cpu_mul) - / cpu_postdiv; - tnetd7200_set_clock(cpu_base, &clocks->cpu, - cpu_prediv, cpu_postdiv, -1, cpu_mul, - ar7_cpu_clock); - - printk(KERN_INFO "Clocks: Setting DSP clock\n"); - calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, - &dsp_postdiv, &dsp_mul); - ar7_bus_clock = ar7_cpu_clock / 2; - tnetd7200_set_clock(dsp_base, &clocks->dsp, - dsp_prediv, dsp_postdiv * 2, dsp_postdiv, - dsp_mul * 2, ar7_bus_clock); - } else { - printk(KERN_INFO "Clocks: Sync 1:1 mode\n"); - - printk(KERN_INFO "Clocks: Setting DSP clock\n"); - calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, - &dsp_postdiv, &dsp_mul); - ar7_bus_clock = ((dsp_base / dsp_prediv) * dsp_mul) - / dsp_postdiv; - tnetd7200_set_clock(dsp_base, &clocks->dsp, - dsp_prediv, dsp_postdiv * 2, dsp_postdiv, - dsp_mul * 2, ar7_bus_clock); - - ar7_cpu_clock = ar7_bus_clock; - } - - printk(KERN_INFO "Clocks: Setting USB clock\n"); - usb_base = ar7_bus_clock; - calculate(usb_base, TNETD7200_DEF_USB_CLK, &usb_prediv, - &usb_postdiv, &usb_mul); - tnetd7200_set_clock(usb_base, &clocks->usb, - usb_prediv, usb_postdiv, -1, usb_mul, - TNETD7200_DEF_USB_CLK); - - #warning FIXME - ar7_dsp_clock = ar7_cpu_clock; - - iounmap(clocks); - iounmap(bootcr); -} - -void __init ar7_init_clocks(void) -{ - switch (ar7_chip_id()) { - case AR7_CHIP_7100: -#warning FIXME: Check if the new 7200 clock init works for 7100 - tnetd7200_init_clocks(); - break; - case AR7_CHIP_7200: - tnetd7200_init_clocks(); - break; - case AR7_CHIP_7300: - ar7_dsp_clock = tnetd7300_dsp_clock(); - tnetd7300_init_clocks(); - break; - default: - break; - } -} diff --git a/target/linux/ar7/files/arch/mips/ar7/gpio.c b/target/linux/ar7/files/arch/mips/ar7/gpio.c deleted file mode 100644 index 56860f46d..000000000 --- a/target/linux/ar7/files/arch/mips/ar7/gpio.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Copyright (C) 2007 Felix Fietkau - * Copyright (C) 2007 Eugene Konev - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include - -#include - -static const char *ar7_gpio_list[TITAN_GPIO_MAX]; - -int gpio_request(unsigned gpio, const char *label) -{ - if (gpio >= (ar7_is_titan() ? TITAN_GPIO_MAX : AR7_GPIO_MAX)) - return -EINVAL; - - if (ar7_gpio_list[gpio]) - return -EBUSY; - - if (label) { - ar7_gpio_list[gpio] = label; - } else { - ar7_gpio_list[gpio] = "busy"; - } - - return 0; -} -EXPORT_SYMBOL(gpio_request); - -void gpio_free(unsigned gpio) -{ - BUG_ON(!ar7_gpio_list[gpio]); - ar7_gpio_list[gpio] = NULL; -} -EXPORT_SYMBOL(gpio_free); diff --git a/target/linux/ar7/files/arch/mips/ar7/irq.c b/target/linux/ar7/files/arch/mips/ar7/irq.c deleted file mode 100644 index 6bb183641..000000000 --- a/target/linux/ar7/files/arch/mips/ar7/irq.c +++ /dev/null @@ -1,183 +0,0 @@ -/* - * Copyright (C) 2006,2007 Felix Fietkau - * Copyright (C) 2006,2007 Eugene Konev - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include - -#include -#include -#include - -#define EXCEPT_OFFSET 0x80 -#define PACE_OFFSET 0xA0 -#define CHNLS_OFFSET 0x200 - -#define REG_OFFSET(irq, reg) ((irq) / 32 * 0x4 + reg * 0x10) -#define SEC_REG_OFFSET(reg) (EXCEPT_OFFSET + reg * 0x8) -#define SEC_SR_OFFSET (SEC_REG_OFFSET(0)) /* 0x80 */ -#define CR_OFFSET(irq) (REG_OFFSET(irq, 1)) /* 0x10 */ -#define SEC_CR_OFFSET (SEC_REG_OFFSET(1)) /* 0x88 */ -#define ESR_OFFSET(irq) (REG_OFFSET(irq, 2)) /* 0x20 */ -#define SEC_ESR_OFFSET (SEC_REG_OFFSET(2)) /* 0x90 */ -#define ECR_OFFSET(irq) (REG_OFFSET(irq, 3)) /* 0x30 */ -#define SEC_ECR_OFFSET (SEC_REG_OFFSET(3)) /* 0x98 */ -#define PIR_OFFSET (0x40) -#define MSR_OFFSET (0x44) -#define PM_OFFSET(irq) (REG_OFFSET(irq, 5)) /* 0x50 */ -#define TM_OFFSET(irq) (REG_OFFSET(irq, 6)) /* 0x60 */ - -#define REG(addr) ((u32 *)(KSEG1ADDR(AR7_REGS_IRQ) + addr)) - -#define CHNL_OFFSET(chnl) (CHNLS_OFFSET + (chnl * 4)) - -static void ar7_unmask_irq(unsigned int irq_nr); -static void ar7_mask_irq(unsigned int irq_nr); -static void ar7_ack_irq(unsigned int irq_nr); -static void ar7_unmask_sec_irq(unsigned int irq_nr); -static void ar7_mask_sec_irq(unsigned int irq_nr); -static void ar7_ack_sec_irq(unsigned int irq_nr); -static void ar7_cascade(void); -static void ar7_irq_init(int base); -static int ar7_irq_base; - -static struct irq_chip ar7_irq_type = { - .name = "AR7", - .unmask = ar7_unmask_irq, - .mask = ar7_mask_irq, - .ack = ar7_ack_irq -}; - -static struct irq_chip ar7_sec_irq_type = { - .name = "AR7", - .unmask = ar7_unmask_sec_irq, - .mask = ar7_mask_sec_irq, - .ack = ar7_ack_sec_irq, -}; - -static struct irqaction ar7_cascade_action = { - .handler = no_action, - .name = "AR7 cascade interrupt" -}; - -static void ar7_unmask_irq(unsigned int irq) -{ - writel(1 << ((irq - ar7_irq_base) % 32), - REG(ESR_OFFSET(irq - ar7_irq_base))); -} - -static void ar7_mask_irq(unsigned int irq) -{ - writel(1 << ((irq - ar7_irq_base) % 32), - REG(ECR_OFFSET(irq - ar7_irq_base))); -} - -static void ar7_ack_irq(unsigned int irq) -{ - writel(1 << ((irq - ar7_irq_base) % 32), - REG(CR_OFFSET(irq - ar7_irq_base))); -} - -static void ar7_unmask_sec_irq(unsigned int irq) -{ - writel(1 << (irq - ar7_irq_base - 40), REG(SEC_ESR_OFFSET)); -} - -static void ar7_mask_sec_irq(unsigned int irq) -{ - writel(1 << (irq - ar7_irq_base - 40), REG(SEC_ECR_OFFSET)); -} - -static void ar7_ack_sec_irq(unsigned int irq) -{ - writel(1 << (irq - ar7_irq_base - 40), REG(SEC_CR_OFFSET)); -} - -void __init arch_init_irq(void) { - mips_cpu_irq_init(); - ar7_irq_init(8); -} - -static void __init ar7_irq_init(int base) -{ - int i; - /* - * Disable interrupts and clear pending - */ - writel(0xffffffff, REG(ECR_OFFSET(0))); - writel(0xff, REG(ECR_OFFSET(32))); - writel(0xffffffff, REG(SEC_ECR_OFFSET)); - writel(0xffffffff, REG(CR_OFFSET(0))); - writel(0xff, REG(CR_OFFSET(32))); - writel(0xffffffff, REG(SEC_CR_OFFSET)); - - ar7_irq_base = base; - - for (i = 0; i < 40; i++) { - writel(i, REG(CHNL_OFFSET(i))); - /* Primary IRQ's */ - set_irq_chip_and_handler(base + i, &ar7_irq_type, - handle_level_irq); - /* Secondary IRQ's */ - if (i < 32) - set_irq_chip_and_handler(base + i + 40, - &ar7_sec_irq_type, - handle_level_irq); - } - - setup_irq(2, &ar7_cascade_action); - setup_irq(ar7_irq_base, &ar7_cascade_action); - set_c0_status(IE_IRQ0); -} - -static void ar7_cascade(void) -{ - u32 status; - int i, irq; - - /* Primary IRQ's */ - irq = readl(REG(PIR_OFFSET)) & 0x3f; - if (irq) { - do_IRQ(ar7_irq_base + irq); - return; - } - - /* Secondary IRQ's are cascaded through primary '0' */ - writel(1, REG(CR_OFFSET(irq))); - status = readl(REG(SEC_SR_OFFSET)); - for (i = 0; i < 32; i++) { - if (status & 1) { - do_IRQ(ar7_irq_base + i + 40); - return; - } - status >>= 1; - } - - spurious_interrupt(); -} - -asmlinkage void plat_irq_dispatch(void) -{ - unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; - if (pending & STATUSF_IP7) /* cpu timer */ - do_IRQ(7); - else if (pending & STATUSF_IP2) /* int0 hardware line */ - ar7_cascade(); - else - spurious_interrupt(); -} diff --git a/target/linux/ar7/files/arch/mips/ar7/memory.c b/target/linux/ar7/files/arch/mips/ar7/memory.c deleted file mode 100644 index e8522a174..000000000 --- a/target/linux/ar7/files/arch/mips/ar7/memory.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Based on arch/mips/mm/init.c - * Copyright (C) 1994 - 2000 Ralf Baechle - * Copyright (C) 1999, 2000 Silicon Graphics, Inc. - * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com - * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include - -static int __init memsize(void) -{ - u32 size = (64 << 20); - u32 *addr = (u32 *)KSEG1ADDR(0x14000000 + size - 4); - u32 *kernel_end = (u32 *)KSEG1ADDR(CPHYSADDR((u32)&_end)); - u32 *tmpaddr = addr; - - while (tmpaddr > kernel_end) { - *tmpaddr = (u32)tmpaddr; - size >>= 1; - tmpaddr -= size >> 2; - } - - do { - tmpaddr += size >> 2; - if (*tmpaddr != (u32)tmpaddr) - break; - size <<= 1; - } while (size < (64 << 20)); - - writel(tmpaddr, &addr); - - return size; -} - -void __init prom_meminit(void) -{ - unsigned long pages; - - pages = memsize() >> PAGE_SHIFT; - add_memory_region(PHYS_OFFSET, pages << PAGE_SHIFT, - BOOT_MEM_RAM); -} - -void __init prom_free_prom_memory(void) -{ - return; -} diff --git a/target/linux/ar7/files/arch/mips/ar7/platform.c b/target/linux/ar7/files/arch/mips/ar7/platform.c deleted file mode 100644 index b636216a3..000000000 --- a/target/linux/ar7/files/arch/mips/ar7/platform.c +++ /dev/null @@ -1,535 +0,0 @@ -/* - * Copyright (C) 2006,2007 Felix Fietkau - * Copyright (C) 2006,2007 Eugene Konev - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -struct plat_vlynq_data { - struct plat_vlynq_ops ops; - int gpio_bit; - int reset_bit; -}; - - -static int vlynq_on(struct vlynq_device *dev) -{ - int result; - struct plat_vlynq_data *pdata = dev->dev.platform_data; - - if ((result = gpio_request(pdata->gpio_bit, "vlynq"))) - goto out; - - ar7_device_reset(pdata->reset_bit); - - if ((result = ar7_gpio_disable(pdata->gpio_bit))) - goto out_enabled; - - if ((result = ar7_gpio_enable(pdata->gpio_bit))) - goto out_enabled; - - if ((result = gpio_direction_output(pdata->gpio_bit, 0))) - goto out_gpio_enabled; - - mdelay(50); - - gpio_set_value(pdata->gpio_bit, 1); - mdelay(50); - - return 0; - -out_gpio_enabled: - ar7_gpio_disable(pdata->gpio_bit); -out_enabled: - ar7_device_disable(pdata->reset_bit); - gpio_free(pdata->gpio_bit); -out: - return result; -} - -static void vlynq_off(struct vlynq_device *dev) -{ - struct plat_vlynq_data *pdata = dev->dev.platform_data; - ar7_gpio_disable(pdata->gpio_bit); - gpio_free(pdata->gpio_bit); - ar7_device_disable(pdata->reset_bit); -} - -static struct resource physmap_flash_resource = { - .name = "mem", - .flags = IORESOURCE_MEM, - .start = 0x10000000, - .end = 0x107fffff, -}; - -static struct resource cpmac_low_res[] = { - { - .name = "regs", - .flags = IORESOURCE_MEM, - .start = AR7_REGS_MAC0, - .end = AR7_REGS_MAC0 + 0x7ff, - }, - { - .name = "irq", - .flags = IORESOURCE_IRQ, - .start = 27, - .end = 27, - }, -}; - -static struct resource cpmac_high_res[] = { - { - .name = "regs", - .flags = IORESOURCE_MEM, - .start = AR7_REGS_MAC1, - .end = AR7_REGS_MAC1 + 0x7ff, - }, - { - .name = "irq", - .flags = IORESOURCE_IRQ, - .start = 41, - .end = 41, - }, -}; - -static struct resource vlynq_low_res[] = { - { - .name = "regs", - .flags = IORESOURCE_MEM, - .start = AR7_REGS_VLYNQ0, - .end = AR7_REGS_VLYNQ0 + 0xff, - }, - { - .name = "irq", - .flags = IORESOURCE_IRQ, - .start = 29, - .end = 29, - }, - { - .name = "mem", - .flags = IORESOURCE_MEM, - .start = 0x04000000, - .end = 0x04ffffff, - }, - { - .name = "devirq", - .flags = IORESOURCE_IRQ, - .start = 80, - .end = 111, - }, -}; - -static struct resource vlynq_high_res[] = { - { - .name = "regs", - .flags = IORESOURCE_MEM, - .start = AR7_REGS_VLYNQ1, - .end = AR7_REGS_VLYNQ1 + 0xff, - }, - { - .name = "irq", - .flags = IORESOURCE_IRQ, - .start = 33, - .end = 33, - }, - { - .name = "mem", - .flags = IORESOURCE_MEM, - .start = 0x0c000000, - .end = 0x0cffffff, - }, - { - .name = "devirq", - .flags = IORESOURCE_IRQ, - .start = 112, - .end = 143, - }, -}; - -static struct resource usb_res[] = { - { - .name = "regs", - .flags = IORESOURCE_MEM, - .start = AR7_REGS_USB, - .end = AR7_REGS_USB + 0xff, - }, - { - .name = "irq", - .flags = IORESOURCE_IRQ, - .start = 32, - .end = 32, - }, - { - .name = "mem", - .flags = IORESOURCE_MEM, - .start = 0x03400000, - .end = 0x034001fff, - }, -}; - -static struct physmap_flash_data physmap_flash_data = { - .width = 2, -}; - -static struct plat_cpmac_data cpmac_low_data = { - .reset_bit = 17, - .power_bit = 20, - .phy_mask = 0x80000000, -}; - -static struct plat_cpmac_data cpmac_high_data = { - .reset_bit = 21, - .power_bit = 22, - .phy_mask = 0x7fffffff, -}; - -static struct plat_vlynq_data vlynq_low_data = { - .ops.on = vlynq_on, - .ops.off = vlynq_off, - .reset_bit = 20, - .gpio_bit = 18, -}; - -static struct plat_vlynq_data vlynq_high_data = { - .ops.on = vlynq_on, - .ops.off = vlynq_off, - .reset_bit = 16, - .gpio_bit = 19, -}; - -static struct platform_device physmap_flash = { - .id = 0, - .name = "physmap-flash", - .dev.platform_data = &physmap_flash_data, - .resource = &physmap_flash_resource, - .num_resources = 1, -}; - -static u64 cpmac_dma_mask = DMA_32BIT_MASK; -static struct platform_device cpmac_low = { - .id = 0, - .name = "cpmac", - .dev = { - .dma_mask = &cpmac_dma_mask, - .coherent_dma_mask = DMA_32BIT_MASK, - .platform_data = &cpmac_low_data, - }, - .resource = cpmac_low_res, - .num_resources = ARRAY_SIZE(cpmac_low_res), -}; - -static struct platform_device cpmac_high = { - .id = 1, - .name = "cpmac", - .dev = { - .dma_mask = &cpmac_dma_mask, - .coherent_dma_mask = DMA_32BIT_MASK, - .platform_data = &cpmac_high_data, - }, - .resource = cpmac_high_res, - .num_resources = ARRAY_SIZE(cpmac_high_res), -}; - -static struct platform_device vlynq_low = { - .id = 0, - .name = "vlynq", - .dev.platform_data = &vlynq_low_data, - .resource = vlynq_low_res, - .num_resources = ARRAY_SIZE(vlynq_low_res), -}; - -static struct platform_device vlynq_high = { - .id = 1, - .name = "vlynq", - .dev.platform_data = &vlynq_high_data, - .resource = vlynq_high_res, - .num_resources = ARRAY_SIZE(vlynq_high_res), -}; - - -/* This is proper way to define uart ports, but they are then detected - * as xscale and, obviously, don't work... - */ -#if !defined(CONFIG_SERIAL_8250) - -static struct plat_serial8250_port uart0_data = { - .mapbase = AR7_REGS_UART0, - .irq = AR7_IRQ_UART0, - .regshift = 2, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, -}; - -static struct plat_serial8250_port uart1_data = { - .mapbase = UR8_REGS_UART1, - .irq = AR7_IRQ_UART1, - .regshift = 2, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, -}; - -static struct plat_serial8250_port uart_data[] = { - uart0_data, - uart1_data, - { .flags = 0 } -}; - -static struct plat_serial8250_port uart_data_single[] = { - uart0_data, - { .flags = 0 } -}; - -static struct platform_device uart = { - .id = 0, - .name = "serial8250", - .dev.platform_data = uart_data_single -}; -#endif - -static struct gpio_led default_leds[] = { - { .name = "status", .gpio = 8, .active_low = 1, }, -}; - -static struct gpio_led dsl502t_leds[] = { - { .name = "status", .gpio = 9, .active_low = 1, }, - { .name = "ethernet", .gpio = 7, .active_low = 1, }, - { .name = "usb", .gpio = 12, .active_low = 1, }, -}; - -static struct gpio_led dg834g_leds[] = { - { .name = "ppp", .gpio = 6, .active_low = 1, }, - { .name = "status", .gpio = 7, .active_low = 1, }, - { .name = "adsl", .gpio = 8, .active_low = 1, }, - { .name = "wifi", .gpio = 12, .active_low = 1, }, - { .name = "power", .gpio = 14, .active_low = 1, .default_trigger = "default-on", }, -}; - -static struct gpio_led fb_sl_leds[] = { - { .name = "1", .gpio = 7, }, - { .name = "2", .gpio = 13, .active_low = 1, }, - { .name = "3", .gpio = 10, .active_low = 1, }, - { .name = "4", .gpio = 12, .active_low = 1, }, - { .name = "5", .gpio = 9, .active_low = 1, }, -}; - -static struct gpio_led fb_fon_leds[] = { - { .name = "1", .gpio = 8, }, - { .name = "2", .gpio = 3, .active_low = 1, }, - { .name = "3", .gpio = 5, }, - { .name = "4", .gpio = 4, .active_low = 1, }, - { .name = "5", .gpio = 11, .active_low = 1, }, -}; - -static struct gpio_led_platform_data ar7_led_data; - -static struct platform_device ar7_gpio_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &ar7_led_data, - } -}; - -static struct platform_device ar7_udc = { - .id = -1, - .name = "ar7_udc", - .resource = usb_res, - .num_resources = ARRAY_SIZE(usb_res), -}; - -static inline unsigned char char2hex(char h) -{ - switch (h) { - case '0': case '1': case '2': case '3': case '4': - case '5': case '6': case '7': case '8': case '9': - return h - '0'; - case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': - return h - 'A' + 10; - case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': - return h - 'a' + 10; - default: - return 0; - } -} - -static void cpmac_get_mac(int instance, unsigned char *dev_addr) -{ - int i; - char name[5], default_mac[] = "00:00:00:12:34:56", *mac; - - mac = NULL; - sprintf(name, "mac%c", 'a' + instance); - mac = prom_getenv(name); - if (!mac) { - sprintf(name, "mac%c", 'a'); - mac = prom_getenv(name); - } - if (!mac) - mac = default_mac; - for (i = 0; i < 6; i++) - dev_addr[i] = (char2hex(mac[i * 3]) << 4) + - char2hex(mac[i * 3 + 1]); -} - -static void __init detect_leds(void) -{ - char *prId, *usb_prod; - - /* Default LEDs */ - ar7_led_data.num_leds = ARRAY_SIZE(default_leds); - ar7_led_data.leds = default_leds; - - /* FIXME: the whole thing is unreliable */ - prId = prom_getenv("ProductID"); - usb_prod = prom_getenv("usb_prod"); - - /* If we can't get the product id from PROM, use the default LEDs */ - if (!prId) - return; - - if (strstr(prId, "Fritz_Box_FON")) { - ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds); - ar7_led_data.leds = fb_fon_leds; - } else if (strstr(prId, "Fritz_Box_")) { - ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds); - ar7_led_data.leds = fb_sl_leds; - } else if ((!strcmp(prId, "AR7RD") || !strcmp(prId, "AR7DB")) && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) { - ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds); - ar7_led_data.leds = dsl502t_leds; - } else if (strstr(prId, "DG834")) { - ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds); - ar7_led_data.leds = dg834g_leds; - } -} - -static int __init ar7_register_devices(void) -{ - int res; - -#ifdef CONFIG_SERIAL_8250 - - static struct uart_port uart_port[2]; - - memset(uart_port, 0, sizeof(struct uart_port) * 2); - - uart_port[0].type = PORT_AR7; - uart_port[0].line = 0; - uart_port[0].irq = AR7_IRQ_UART0; - uart_port[0].uartclk = ar7_bus_freq() / 2; - uart_port[0].iotype = UPIO_MEM; - uart_port[0].mapbase = AR7_REGS_UART0; - uart_port[0].membase = ioremap(uart_port[0].mapbase, 256); - uart_port[0].regshift = 2; - uart_port[0].flags = UPF_IOREMAP; - res = early_serial_setup(&uart_port[0]); - if (res) - return res; - - - /* Only TNETD73xx have a second serial port */ - if (ar7_has_second_uart()) { - uart_port[1].type = PORT_AR7; - uart_port[1].line = 1; - uart_port[1].irq = AR7_IRQ_UART1; - uart_port[1].uartclk = ar7_bus_freq() / 2; - uart_port[1].iotype = UPIO_MEM; - uart_port[1].mapbase = UR8_REGS_UART1; - uart_port[1].membase = ioremap(uart_port[1].mapbase, 256); - uart_port[1].regshift = 2; - uart_port[1].flags = UPF_IOREMAP; - res = early_serial_setup(&uart_port[1]); - if (res) - return res; - } - -#else /* !CONFIG_SERIAL_8250 */ - - uart_data[0].uartclk = ar7_bus_freq() / 2; - uart_data[1].uartclk = uart_data[0].uartclk; - - /* Only TNETD73xx have a second serial port */ - if (ar7_has_second_uart()) - uart.dev.platform_data = uart_data; - - res = platform_device_register(&uart); - if (res) - return res; - -#endif /* CONFIG_SERIAL_8250 */ - - res = platform_device_register(&physmap_flash); - if (res) - return res; - - ar7_device_disable(vlynq_low_data.reset_bit); - res = platform_device_register(&vlynq_low); - if (res) - return res; - - if (ar7_has_high_vlynq()) { - ar7_device_disable(vlynq_high_data.reset_bit); - res = platform_device_register(&vlynq_high); - if (res) - return res; - } - - if (ar7_has_high_cpmac()) { - cpmac_get_mac(1, cpmac_high_data.dev_addr); - res = platform_device_register(&cpmac_high); - if (res) - return res; - } else { - cpmac_low_data.phy_mask = 0xffffffff; - } - - cpmac_get_mac(0, cpmac_low_data.dev_addr); - res = platform_device_register(&cpmac_low); - if (res) - return res; - - detect_leds(); - res = platform_device_register(&ar7_gpio_leds); - if (res) - return res; - - res = platform_device_register(&ar7_udc); - - return res; -} - - -arch_initcall(ar7_register_devices); diff --git a/target/linux/ar7/files/arch/mips/ar7/prom.c b/target/linux/ar7/files/arch/mips/ar7/prom.c deleted file mode 100644 index a72f2c955..000000000 --- a/target/linux/ar7/files/arch/mips/ar7/prom.c +++ /dev/null @@ -1,321 +0,0 @@ -/* - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Putting things on the screen/serial line using YAMONs facilities. - */ -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#define MAX_ENTRY 80 - -struct env_var { - char *name; - char *value; -}; - -static struct env_var adam2_env[MAX_ENTRY] = { { 0, }, }; - -char *prom_getenv(const char *name) -{ - int i; - for (i = 0; (i < MAX_ENTRY) && adam2_env[i].name; i++) - if (!strcmp(name, adam2_env[i].name)) - return adam2_env[i].value; - - return NULL; -} -EXPORT_SYMBOL(prom_getenv); - -char * __init prom_getcmdline(void) -{ - return &(arcs_cmdline[0]); -} - -static void __init ar7_init_cmdline(int argc, char *argv[]) -{ - char *cp; - int actr; - - actr = 1; /* Always ignore argv[0] */ - - cp = &(arcs_cmdline[0]); - while (actr < argc) { - strcpy(cp, argv[actr]); - cp += strlen(argv[actr]); - *cp++ = ' '; - actr++; - } - if (cp != &(arcs_cmdline[0])) { - /* get rid of trailing space */ - --cp; - *cp = '\0'; - } -} - -struct psbl_rec { - u32 psbl_size; - u32 env_base; - u32 env_size; - u32 ffs_base; - u32 ffs_size; -}; - -static __initdata char psp_env_version[] = "TIENV0.8"; - -struct psp_env_chunk { - u8 num; - u8 ctrl; - u16 csum; - u8 len; - char data[11]; -} __attribute__ ((packed)); - -struct psp_var_map_entry { - u8 num; - char *value; -}; - -static struct psp_var_map_entry psp_var_map[] = { - { 1, "cpufrequency" }, - { 2, "memsize" }, - { 3, "flashsize" }, - { 4, "modetty0" }, - { 5, "modetty1" }, - { 8, "maca" }, - { 9, "macb" }, - { 28, "sysfrequency" }, - { 38, "mipsfrequency" }, -}; - -/* - -Well-known variable (num is looked up in table above for matching variable name) -Example: cpufrequency=211968000 -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- -| 01 |CTRL|CHECKSUM | 01 | _2 | _1 | _1 | _9 | _6 | _8 | _0 | _0 | _0 | \0 | FF -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- - -Name=Value pair in a single chunk -Example: NAME=VALUE -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- -| 00 |CTRL|CHECKSUM | 01 | _N | _A | _M | _E | _0 | _V | _A | _L | _U | _E | \0 -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- - -Name=Value pair in 2 chunks (len is the number of chunks) -Example: bootloaderVersion=1.3.7.15 -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- -| 00 |CTRL|CHECKSUM | 02 | _b | _o | _o | _t | _l | _o | _a | _d | _e | _r | _V -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- -| _e | _r | _s | _i | _o | _n | \0 | _1 | _. | _3 | _. | _7 | _. | _1 | _5 | \0 -+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--- - -Data is padded with 0xFF - -*/ - -#define PSP_ENV_SIZE 4096 - -static char psp_env_data[PSP_ENV_SIZE] = { 0, }; - -static char * __init lookup_psp_var_map(u8 num) -{ - int i; - - for (i = 0; i < sizeof(psp_var_map); i++) - if (psp_var_map[i].num == num) - return psp_var_map[i].value; - - return NULL; -} - -static void __init add_adam2_var(char *name, char *value) -{ - int i; - for (i = 0; i < MAX_ENTRY; i++) { - if (!adam2_env[i].name) { - adam2_env[i].name = name; - adam2_env[i].value = value; - return; - } else if (!strcmp(adam2_env[i].name, name)) { - adam2_env[i].value = value; - return; - } - } -} - -static int __init parse_psp_env(void *psp_env_base) -{ - int i, n; - char *name, *value; - struct psp_env_chunk *chunks = (struct psp_env_chunk *)psp_env_data; - - memcpy_fromio(chunks, psp_env_base, PSP_ENV_SIZE); - - i = 1; - n = PSP_ENV_SIZE / sizeof(struct psp_env_chunk); - while (i < n) { - if ((chunks[i].num == 0xff) || ((i + chunks[i].len) > n)) - break; - value = chunks[i].data; - if (chunks[i].num) { - name = lookup_psp_var_map(chunks[i].num); - } else { - name = value; - value += strlen(name) + 1; - } - if (name) - add_adam2_var(name, value); - i += chunks[i].len; - } - return 0; -} - -static void __init ar7_init_env(struct env_var *env) -{ - int i; - struct psbl_rec *psbl = (struct psbl_rec *)(KSEG1ADDR(0x14000300)); - void *psp_env = (void *)KSEG1ADDR(psbl->env_base); - - if (strcmp(psp_env, psp_env_version) == 0) { - parse_psp_env(psp_env); - } else { - for (i = 0; i < MAX_ENTRY; i++, env++) - if (env->name) - add_adam2_var(env->name, env->value); - } -} - -static void __init console_config(void) -{ -#ifdef CONFIG_SERIAL_8250_CONSOLE - char console_string[40]; - int baud = 0; - char parity = '\0', bits = '\0', flow = '\0'; - char *s, *p; - - if (strstr(prom_getcmdline(), "console=")) - return; - -#ifdef CONFIG_KGDB - if (!strstr(prom_getcmdline(), "nokgdb")) { - strcat(prom_getcmdline(), " console=kgdb"); - kgdb_enabled = 1; - return; - } -#endif - - if ((s = prom_getenv("modetty0"))) { - baud = simple_strtoul(s, &p, 10); - s = p; - if (*s == ',') s++; - if (*s) parity = *s++; - if (*s == ',') s++; - if (*s) bits = *s++; - if (*s == ',') s++; - if (*s == 'h') flow = 'r'; - } - - if (baud == 0) - baud = 38400; - if (parity != 'n' && parity != 'o' && parity != 'e') - parity = 'n'; - if (bits != '7' && bits != '8') - bits = '8'; - - if (flow == 'r') - sprintf(console_string, " console=ttyS0,%d%c%c%c", baud, - parity, bits, flow); - else - sprintf(console_string, " console=ttyS0,%d%c%c", baud, parity, - bits); - strcat(prom_getcmdline(), console_string); -#endif -} - -void __init prom_init(void) -{ - ar7_init_cmdline(fw_arg0, (char **)fw_arg1); - ar7_init_env((struct env_var *)fw_arg2); - console_config(); -} - -#define PORT(offset) (KSEG1ADDR(AR7_REGS_UART0 + (offset * 4))) -static inline unsigned int serial_in(int offset) -{ - return readb((void *)PORT(offset)); -} - -static inline void serial_out(int offset, int value) -{ - writeb(value, (void *)PORT(offset)); -} - -char prom_getchar(void) -{ - while (!(serial_in(UART_LSR) & UART_LSR_DR)); - return serial_in(UART_RX); -} - -int prom_putchar(char c) -{ - while ((serial_in(UART_LSR) & UART_LSR_TEMT) == 0); - serial_out(UART_TX, c); - return 1; -} - -/* from adm5120/prom.c */ -void prom_printf(const char *fmt, ...) -{ - va_list args; - int l; - char *p, *buf_end; - char buf[1024]; - - va_start(args, fmt); - l = vsprintf(buf, fmt, args); /* hopefully i < sizeof(buf) */ - va_end(args); - - buf_end = buf + l; - - for (p = buf; p < buf_end; p++) { - /* Crude cr/nl handling is better than none */ - if (*p == '\n') - prom_putchar('\r'); - prom_putchar(*p); - } -} - -#ifdef CONFIG_KGDB -int putDebugChar(char c) -{ - return prom_putchar(c); -} - -char getDebugChar(void) -{ - return prom_getchar(); -} -#endif diff --git a/target/linux/ar7/files/arch/mips/ar7/setup.c b/target/linux/ar7/files/arch/mips/ar7/setup.c deleted file mode 100644 index 35b7b8d77..000000000 --- a/target/linux/ar7/files/arch/mips/ar7/setup.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -static int titan_variant; /*hold the results of the gpio_init_titan_variant() so that it is only called once*/ -static void ar7_machine_restart(char *command); -static void ar7_machine_halt(void); -static void ar7_machine_power_off(void); - -static void ar7_machine_restart(char *command) -{ - u32 *softres_reg = (u32 *)ioremap(AR7_REGS_RESET + - AR7_RESET_SOFTWARE, 1); - writel(1, softres_reg); -} - -static void ar7_machine_halt(void) -{ - while (1); -} - -static void ar7_machine_power_off(void) -{ - u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1); - u32 power_state = readl(power_reg) | (3 << 30); - writel(power_state, power_reg); - ar7_machine_halt(); -} - -const char *get_system_type(void) -{ - u16 chip_id = ar7_chip_id(); - switch (chip_id) { - case AR7_CHIP_7300: - return "TI AR7 (TNETD7300)"; - case AR7_CHIP_7100: - return "TI AR7 (TNETD7100)"; - case AR7_CHIP_7200: - return "TI AR7 (TNETD7200)"; - case AR7_CHIP_TITAN: - titan_variant = ar7_init_titan_variant(); - switch (titan_variant /*(gpio_get_value_titan(1) >> 12) & 0xf*/) { - case TITAN_CHIP_1050: - return "TI AR7 (TNETV1050)"; - case TITAN_CHIP_1055: - return "TI AR7 (TNETV1055)"; - case TITAN_CHIP_1056: - return "TI AR7 (TNETV1056)"; - case TITAN_CHIP_1060: - return "TI AR7 (TNETV1060)"; - } - default: - return "TI AR7 (Unknown)"; - } -} - -static int __init ar7_init_console(void) -{ - return 0; -} - -/* - * Initializes basic routines and structures pointers, memory size (as - * given by the bios and saves the command line. - */ - -extern void ar7_init_clocks(void); - -void __init plat_mem_setup(void) -{ - unsigned long io_base; - - _machine_restart = ar7_machine_restart; - _machine_halt = ar7_machine_halt; - pm_power_off = ar7_machine_power_off; - panic_timeout = 3; - - io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000); - if (!io_base) panic("Can't remap IO base!\n"); - set_io_port_base(io_base); - - prom_meminit(); - ar7_init_clocks(); - - ioport_resource.start = 0; - ioport_resource.end = ~0; - iomem_resource.start = 0; - iomem_resource.end = ~0; - - printk(KERN_INFO "%s, ID: 0x%04x, Revision: 0x%02x\n", - get_system_type(), - ar7_chip_id(), ar7_chip_rev()); -} - -console_initcall(ar7_init_console); diff --git a/target/linux/ar7/files/arch/mips/ar7/time.c b/target/linux/ar7/files/arch/mips/ar7/time.c deleted file mode 100644 index 2188d9a85..000000000 --- a/target/linux/ar7/files/arch/mips/ar7/time.c +++ /dev/null @@ -1,28 +0,0 @@ -/* - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Setting up the clock on the MIPS boards. - */ - -#include -#include -#include - -void __init plat_time_init(void) -{ - mips_hpt_frequency = ar7_cpu_freq() / 2; -} diff --git a/target/linux/ar7/files/arch/mips/include/asm/ar7 b/target/linux/ar7/files/arch/mips/include/asm/ar7 deleted file mode 120000 index 4de8fbc8b..000000000 --- a/target/linux/ar7/files/arch/mips/include/asm/ar7 +++ /dev/null @@ -1 +0,0 @@ -../../../../include/asm-mips/ar7 \ No newline at end of file diff --git a/target/linux/ar7/files/drivers/char/ar7_gpio.c b/target/linux/ar7/files/drivers/char/ar7_gpio.c deleted file mode 100644 index 6b38bbd89..000000000 --- a/target/linux/ar7/files/drivers/char/ar7_gpio.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * Copyright (C) 2007 Nicolas Thill - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define DRVNAME "ar7_gpio" -#define LONGNAME "TI AR7 GPIOs Driver" - -MODULE_AUTHOR("Nicolas Thill "); -MODULE_DESCRIPTION(LONGNAME); -MODULE_LICENSE("GPL"); - -static int ar7_gpio_major; - -static ssize_t ar7_gpio_write(struct file *file, const char __user *buf, - size_t len, loff_t *ppos) -{ - int pin = iminor(file->f_dentry->d_inode); - size_t i; - - for (i = 0; i < len; ++i) { - char c; - if (get_user(c, buf + i)) - return -EFAULT; - switch (c) { - case '0': - gpio_set_value(pin, 0); - break; - case '1': - gpio_set_value(pin, 1); - break; - case 'd': - case 'D': - ar7_gpio_disable(pin); - break; - case 'e': - case 'E': - ar7_gpio_enable(pin); - break; - case 'i': - case 'I': - case '<': - gpio_direction_input(pin); - break; - case 'o': - case 'O': - case '>': - gpio_direction_output(pin, 0); - break; - default: - return -EINVAL; - } - } - - return len; -} - -static ssize_t ar7_gpio_read(struct file *file, char __user *buf, - size_t len, loff_t *ppos) -{ - int pin = iminor(file->f_dentry->d_inode); - int value; - - value = gpio_get_value(pin); - if (put_user(value ? '1' : '0', buf)) - return -EFAULT; - - return 1; -} - -static int ar7_gpio_open(struct inode *inode, struct file *file) -{ - int m = iminor(inode); - - if (m >= (ar7_is_titan() ? TITAN_GPIO_MAX : AR7_GPIO_MAX)) - return -EINVAL; - - return nonseekable_open(inode, file); -} - -static int ar7_gpio_release(struct inode *inode, struct file *file) -{ - return 0; -} - -static const struct file_operations ar7_gpio_fops = { - .owner = THIS_MODULE, - .write = ar7_gpio_write, - .read = ar7_gpio_read, - .open = ar7_gpio_open, - .release = ar7_gpio_release, - .llseek = no_llseek, -}; - -static struct platform_device *ar7_gpio_device; - -static int __init ar7_gpio_init(void) -{ - int rc; - - ar7_gpio_device = platform_device_alloc(DRVNAME, -1); - if (!ar7_gpio_device) - return -ENOMEM; - - rc = platform_device_add(ar7_gpio_device); - if (rc < 0) - goto out_put; - - rc = register_chrdev(ar7_gpio_major, DRVNAME, &ar7_gpio_fops); - if (rc < 0) - goto out_put; - - ar7_gpio_major = rc; - - rc = 0; - - goto out; - -out_put: - platform_device_put(ar7_gpio_device); -out: - return rc; -} - -static void __exit ar7_gpio_exit(void) -{ - unregister_chrdev(ar7_gpio_major, DRVNAME); - platform_device_unregister(ar7_gpio_device); -} - -module_init(ar7_gpio_init); -module_exit(ar7_gpio_exit); diff --git a/target/linux/ar7/files/drivers/char/watchdog/ar7_wdt.c b/target/linux/ar7/files/drivers/char/watchdog/ar7_wdt.c deleted file mode 100644 index 97cd8105a..000000000 --- a/target/linux/ar7/files/drivers/char/watchdog/ar7_wdt.c +++ /dev/null @@ -1,349 +0,0 @@ -/* - * drivers/watchdog/ar7_wdt.c - * - * Copyright (C) 2007 Nicolas Thill - * Copyright (c) 2005 Enrik Berkhan - * - * Some code taken from: - * National Semiconductor SCx200 Watchdog support - * Copyright (c) 2001,2002 Christer Weinigel - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#define DRVNAME "ar7_wdt" -#define LONGNAME "TI AR7 Watchdog Timer" - -MODULE_AUTHOR("Nicolas Thill "); -MODULE_DESCRIPTION(LONGNAME); -MODULE_LICENSE("GPL"); -MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); - -static int margin = 60; -module_param(margin, int, 0); -MODULE_PARM_DESC(margin, "Watchdog margin in seconds"); - -static int nowayout = WATCHDOG_NOWAYOUT; -module_param(nowayout, int, 0); -MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close"); - -#define READ_REG(x) readl((void __iomem *)&(x)) -#define WRITE_REG(x, v) writel((v), (void __iomem *)&(x)) - -struct ar7_wdt { - u32 kick_lock; - u32 kick; - u32 change_lock; - u32 change; - u32 disable_lock; - u32 disable; - u32 prescale_lock; - u32 prescale; -}; - -static struct semaphore open_semaphore; -static unsigned expect_close; - -/* XXX currently fixed, allows max margin ~68.72 secs */ -#define prescale_value 0xffff - -/* Offset of the WDT registers */ -static unsigned long ar7_regs_wdt; -/* Pointer to the remapped WDT IO space */ -static struct ar7_wdt *ar7_wdt; -static void ar7_wdt_get_regs(void) -{ - u16 chip_id = ar7_chip_id(); - switch (chip_id) { - case AR7_CHIP_7100: - case AR7_CHIP_7200: - ar7_regs_wdt = AR7_REGS_WDT; - break; - default: - ar7_regs_wdt = UR8_REGS_WDT; - break; - } -} - - -static void ar7_wdt_kick(u32 value) -{ - WRITE_REG(ar7_wdt->kick_lock, 0x5555); - if ((READ_REG(ar7_wdt->kick_lock) & 3) == 1) { - WRITE_REG(ar7_wdt->kick_lock, 0xaaaa); - if ((READ_REG(ar7_wdt->kick_lock) & 3) == 3) { - WRITE_REG(ar7_wdt->kick, value); - return; - } - } - printk(KERN_ERR DRVNAME ": failed to unlock WDT kick reg\n"); -} - -static void ar7_wdt_prescale(u32 value) -{ - WRITE_REG(ar7_wdt->prescale_lock, 0x5a5a); - if ((READ_REG(ar7_wdt->prescale_lock) & 3) == 1) { - WRITE_REG(ar7_wdt->prescale_lock, 0xa5a5); - if ((READ_REG(ar7_wdt->prescale_lock) & 3) == 3) { - WRITE_REG(ar7_wdt->prescale, value); - return; - } - } - printk(KERN_ERR DRVNAME ": failed to unlock WDT prescale reg\n"); -} - -static void ar7_wdt_change(u32 value) -{ - WRITE_REG(ar7_wdt->change_lock, 0x6666); - if ((READ_REG(ar7_wdt->change_lock) & 3) == 1) { - WRITE_REG(ar7_wdt->change_lock, 0xbbbb); - if ((READ_REG(ar7_wdt->change_lock) & 3) == 3) { - WRITE_REG(ar7_wdt->change, value); - return; - } - } - printk(KERN_ERR DRVNAME ": failed to unlock WDT change reg\n"); -} - -static void ar7_wdt_disable(u32 value) -{ - WRITE_REG(ar7_wdt->disable_lock, 0x7777); - if ((READ_REG(ar7_wdt->disable_lock) & 3) == 1) { - WRITE_REG(ar7_wdt->disable_lock, 0xcccc); - if ((READ_REG(ar7_wdt->disable_lock) & 3) == 2) { - WRITE_REG(ar7_wdt->disable_lock, 0xdddd); - if ((READ_REG(ar7_wdt->disable_lock) & 3) == 3) { - WRITE_REG(ar7_wdt->disable, value); - return; - } - } - } - printk(KERN_ERR DRVNAME ": failed to unlock WDT disable reg\n"); -} - -static void ar7_wdt_update_margin(int new_margin) -{ - u32 change; - - change = new_margin * (ar7_vbus_freq() / prescale_value); - if (change < 1) change = 1; - if (change > 0xffff) change = 0xffff; - ar7_wdt_change(change); - margin = change * prescale_value / ar7_vbus_freq(); - printk(KERN_INFO DRVNAME - ": timer margin %d seconds (prescale %d, change %d, freq %d)\n", - margin, prescale_value, change, ar7_vbus_freq()); -} - -static void ar7_wdt_enable_wdt(void) -{ - printk(KERN_DEBUG DRVNAME ": enabling watchdog timer\n"); - ar7_wdt_disable(1); - ar7_wdt_kick(1); -} - -static void ar7_wdt_disable_wdt(void) -{ - printk(KERN_DEBUG DRVNAME ": disabling watchdog timer\n"); - ar7_wdt_disable(0); -} - -static int ar7_wdt_open(struct inode *inode, struct file *file) -{ - /* only allow one at a time */ - if (down_trylock(&open_semaphore)) - return -EBUSY; - ar7_wdt_enable_wdt(); - expect_close = 0; - - return nonseekable_open(inode, file); -} - -static int ar7_wdt_release(struct inode *inode, struct file *file) -{ - if (!expect_close) - printk(KERN_WARNING DRVNAME - ": watchdog device closed unexpectedly," - "will not disable the watchdog timer\n"); - else if (!nowayout) - ar7_wdt_disable_wdt(); - - up(&open_semaphore); - - return 0; -} - -static int ar7_wdt_notify_sys(struct notifier_block *this, - unsigned long code, void *unused) -{ - if (code == SYS_HALT || code == SYS_POWER_OFF) - if (!nowayout) - ar7_wdt_disable_wdt(); - - return NOTIFY_DONE; -} - -static struct notifier_block ar7_wdt_notifier = { - .notifier_call = ar7_wdt_notify_sys -}; - -static ssize_t ar7_wdt_write(struct file *file, const char *data, - size_t len, loff_t *ppos) -{ - /* check for a magic close character */ - if (len) { - size_t i; - - ar7_wdt_kick(1); - - expect_close = 0; - for (i = 0; i < len; ++i) { - char c; - if (get_user(c, data+i)) - return -EFAULT; - if (c == 'V') - expect_close = 1; - } - - } - return len; -} - -static int ar7_wdt_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - static struct watchdog_info ident = { - .identity = LONGNAME, - .firmware_version = 1, - .options = (WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING), - }; - int new_margin; - - switch (cmd) { - default: - return -ENOTTY; - case WDIOC_GETSUPPORT: - if (copy_to_user((struct watchdog_info *)arg, &ident, - sizeof(ident))) - return -EFAULT; - return 0; - case WDIOC_GETSTATUS: - case WDIOC_GETBOOTSTATUS: - if (put_user(0, (int *)arg)) - return -EFAULT; - return 0; - case WDIOC_KEEPALIVE: - ar7_wdt_kick(1); - return 0; - case WDIOC_SETTIMEOUT: - if (get_user(new_margin, (int *)arg)) - return -EFAULT; - if (new_margin < 1) - return -EINVAL; - - ar7_wdt_update_margin(new_margin); - ar7_wdt_kick(1); - - case WDIOC_GETTIMEOUT: - if (put_user(margin, (int *)arg)) - return -EFAULT; - return 0; - } -} - -static struct file_operations ar7_wdt_fops = { - .owner = THIS_MODULE, - .write = ar7_wdt_write, - .ioctl = ar7_wdt_ioctl, - .open = ar7_wdt_open, - .release = ar7_wdt_release, -}; - -static struct miscdevice ar7_wdt_miscdev = { - .minor = WATCHDOG_MINOR, - .name = "watchdog", - .fops = &ar7_wdt_fops, -}; - -static int __init ar7_wdt_init(void) -{ - int rc; - - ar7_wdt_get_regs(); - - if (!request_mem_region(ar7_regs_wdt, sizeof(struct ar7_wdt), - LONGNAME)) { - printk(KERN_WARNING DRVNAME ": watchdog I/O region busy\n"); - return -EBUSY; - } - - ar7_wdt = (struct ar7_wdt *) - ioremap(ar7_regs_wdt, sizeof(struct ar7_wdt)); - - ar7_wdt_disable_wdt(); - ar7_wdt_prescale(prescale_value); - ar7_wdt_update_margin(margin); - - sema_init(&open_semaphore, 1); - - rc = register_reboot_notifier(&ar7_wdt_notifier); - if (rc) { - printk(KERN_ERR DRVNAME - ": unable to register reboot notifier\n"); - goto out_alloc; - } - - rc = misc_register(&ar7_wdt_miscdev); - if (rc) { - printk(KERN_ERR DRVNAME ": unable to register misc device\n"); - goto out_register; - } - goto out; - -out_register: - unregister_reboot_notifier(&ar7_wdt_notifier); -out_alloc: - iounmap(ar7_wdt); - release_mem_region(ar7_regs_wdt, sizeof(struct ar7_wdt)); -out: - return rc; -} - -static void __exit ar7_wdt_cleanup(void) -{ - misc_deregister(&ar7_wdt_miscdev); - unregister_reboot_notifier(&ar7_wdt_notifier); - iounmap(ar7_wdt); - release_mem_region(ar7_regs_wdt, sizeof(struct ar7_wdt)); -} - -module_init(ar7_wdt_init); -module_exit(ar7_wdt_cleanup); diff --git a/target/linux/ar7/files/drivers/vlynq/Kconfig b/target/linux/ar7/files/drivers/vlynq/Kconfig deleted file mode 100644 index 2c8ffe0d1..000000000 --- a/target/linux/ar7/files/drivers/vlynq/Kconfig +++ /dev/null @@ -1,13 +0,0 @@ -menu "TI VLYNQ" - -config VLYNQ - bool "TI VLYNQ bus support" - depends on AR7 && EXPERIMENTAL - help - Support for the TI VLYNQ bus - - The module will be called vlynq - - If unsure, say N - -endmenu diff --git a/target/linux/ar7/files/drivers/vlynq/Makefile b/target/linux/ar7/files/drivers/vlynq/Makefile deleted file mode 100644 index b3f61149b..000000000 --- a/target/linux/ar7/files/drivers/vlynq/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for kernel vlynq drivers -# - -obj-$(CONFIG_VLYNQ) += vlynq.o diff --git a/target/linux/ar7/files/drivers/vlynq/vlynq.c b/target/linux/ar7/files/drivers/vlynq/vlynq.c deleted file mode 100644 index f4b7b0f98..000000000 --- a/target/linux/ar7/files/drivers/vlynq/vlynq.c +++ /dev/null @@ -1,783 +0,0 @@ -/* - * Copyright (C) 2006, 2007 Eugene Konev - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#define VLYNQ_CTRL_PM_ENABLE 0x80000000 -#define VLYNQ_CTRL_CLOCK_INT 0x00008000 -#define VLYNQ_CTRL_CLOCK_DIV(x) (((x) & 7) << 16) -#define VLYNQ_CTRL_INT_LOCAL 0x00004000 -#define VLYNQ_CTRL_INT_ENABLE 0x00002000 -#define VLYNQ_CTRL_INT_VECTOR(x) (((x) & 0x1f) << 8) -#define VLYNQ_CTRL_INT2CFG 0x00000080 -#define VLYNQ_CTRL_RESET 0x00000001 - -#define VLYNQ_CTRL_CLOCK_MASK (0x7 << 16) - -#define VLYNQ_INT_OFFSET 0x00000014 -#define VLYNQ_REMOTE_OFFSET 0x00000080 - -#define VLYNQ_STATUS_LINK 0x00000001 -#define VLYNQ_STATUS_LERROR 0x00000080 -#define VLYNQ_STATUS_RERROR 0x00000100 - -#define VINT_ENABLE 0x00000100 -#define VINT_TYPE_EDGE 0x00000080 -#define VINT_LEVEL_LOW 0x00000040 -#define VINT_VECTOR(x) ((x) & 0x1f) -#define VINT_OFFSET(irq) (8 * ((irq) % 4)) - -#define VLYNQ_AUTONEGO_V2 0x00010000 - -struct vlynq_regs { - u32 revision; - u32 control; - u32 status; - u32 int_prio; - u32 int_status; - u32 int_pending; - u32 int_ptr; - u32 tx_offset; - struct vlynq_mapping rx_mapping[4]; - u32 chip; - u32 autonego; - u32 unused[6]; - u32 int_device[8]; -}; - -#define vlynq_reg_read(reg) readl(&(reg)) -#define vlynq_reg_write(reg, val) writel(val, &(reg)) - -static int __vlynq_enable_device(struct vlynq_device *dev); - -#ifdef VLYNQ_DEBUG -static void vlynq_dump_regs(struct vlynq_device *dev) -{ - int i; - printk(KERN_DEBUG "VLYNQ local=%p remote=%p\n", - dev->local, dev->remote); - for (i = 0; i < 32; i++) { - printk(KERN_DEBUG "VLYNQ: local %d: %08x\n", - i + 1, ((u32 *)dev->local)[i]); - printk(KERN_DEBUG "VLYNQ: remote %d: %08x\n", - i + 1, ((u32 *)dev->remote)[i]); - } -} - -static void vlynq_dump_mem(u32 *base, int count) -{ - int i; - for (i = 0; i < (count + 3) / 4; i++) { - if (i % 4 == 0) printk(KERN_DEBUG "\nMEM[0x%04x]:", i * 4); - printk(KERN_DEBUG " 0x%08x", *(base + i)); - } - printk(KERN_DEBUG "\n"); -} -#endif - -int vlynq_linked(struct vlynq_device *dev) -{ - int i; - - for (i = 0; i < 100; i++) - if (vlynq_reg_read(dev->local->status) & VLYNQ_STATUS_LINK) - return 1; - else - cpu_relax(); - - return 0; -} - -static void vlynq_reset(struct vlynq_device *dev) -{ - vlynq_reg_write(dev->local->control, - vlynq_reg_read(dev->local->control) | - VLYNQ_CTRL_RESET); - - /* Wait for the devices to finish resetting */ - msleep(5); - - /* Remove reset bit */ - vlynq_reg_write(dev->local->control, - vlynq_reg_read(dev->local->control) & - ~VLYNQ_CTRL_RESET); - - /* Give some time for the devices to settle */ - msleep(5); -} - -static void vlynq_irq_unmask(unsigned int irq) -{ - u32 val; - struct vlynq_device *dev = get_irq_chip_data(irq); - int virq; - - BUG_ON(!dev); - virq = irq - dev->irq_start; - val = vlynq_reg_read(dev->remote->int_device[virq >> 2]); - val |= (VINT_ENABLE | virq) << VINT_OFFSET(virq); - vlynq_reg_write(dev->remote->int_device[virq >> 2], val); -} - -static void vlynq_irq_mask(unsigned int irq) -{ - u32 val; - struct vlynq_device *dev = get_irq_chip_data(irq); - int virq; - - BUG_ON(!dev); - virq = irq - dev->irq_start; - val = vlynq_reg_read(dev->remote->int_device[virq >> 2]); - val &= ~(VINT_ENABLE << VINT_OFFSET(virq)); - vlynq_reg_write(dev->remote->int_device[virq >> 2], val); -} - -static int vlynq_irq_type(unsigned int irq, unsigned int flow_type) -{ - u32 val; - struct vlynq_device *dev = get_irq_chip_data(irq); - int virq; - - BUG_ON(!dev); - virq = irq - dev->irq_start; - val = vlynq_reg_read(dev->remote->int_device[virq >> 2]); - switch (flow_type & IRQ_TYPE_SENSE_MASK) { - case IRQ_TYPE_EDGE_RISING: - case IRQ_TYPE_EDGE_FALLING: - case IRQ_TYPE_EDGE_BOTH: - val |= VINT_TYPE_EDGE << VINT_OFFSET(virq); - val &= ~(VINT_LEVEL_LOW << VINT_OFFSET(virq)); - break; - case IRQ_TYPE_LEVEL_HIGH: - val &= ~(VINT_TYPE_EDGE << VINT_OFFSET(virq)); - val &= ~(VINT_LEVEL_LOW << VINT_OFFSET(virq)); - break; - case IRQ_TYPE_LEVEL_LOW: - val &= ~(VINT_TYPE_EDGE << VINT_OFFSET(virq)); - val |= VINT_LEVEL_LOW << VINT_OFFSET(virq); - break; - default: - return -EINVAL; - } - vlynq_reg_write(dev->remote->int_device[virq >> 2], val); - return 0; -} - -static void vlynq_local_ack(unsigned int irq) -{ - struct vlynq_device *dev = get_irq_chip_data(irq); - u32 status = vlynq_reg_read(dev->local->status); - if (printk_ratelimit()) - printk(KERN_DEBUG "%s: local status: 0x%08x\n", - dev->dev.bus_id, status); - vlynq_reg_write(dev->local->status, status); -} - -static void vlynq_remote_ack(unsigned int irq) -{ - struct vlynq_device *dev = get_irq_chip_data(irq); - u32 status = vlynq_reg_read(dev->remote->status); - if (printk_ratelimit()) - printk(KERN_DEBUG "%s: remote status: 0x%08x\n", - dev->dev.bus_id, status); - vlynq_reg_write(dev->remote->status, status); -} - -static irqreturn_t vlynq_irq(int irq, void *dev_id) -{ - struct vlynq_device *dev = dev_id; - u32 status; - int virq = 0; - - status = vlynq_reg_read(dev->local->int_status); - vlynq_reg_write(dev->local->int_status, status); - - if (unlikely(!status)) - spurious_interrupt(); - - while (status) { - if (status & 1) - do_IRQ(dev->irq_start + virq); - status >>= 1; - virq++; - } - - return IRQ_HANDLED; -} - -static struct irq_chip vlynq_irq_chip = { - .name = "vlynq", - .unmask = vlynq_irq_unmask, - .mask = vlynq_irq_mask, - .set_type = vlynq_irq_type, -}; - -static struct irq_chip vlynq_local_chip = { - .name = "vlynq local error", - .unmask = vlynq_irq_unmask, - .mask = vlynq_irq_mask, - .ack = vlynq_local_ack, -}; - -static struct irq_chip vlynq_remote_chip = { - .name = "vlynq local error", - .unmask = vlynq_irq_unmask, - .mask = vlynq_irq_mask, - .ack = vlynq_remote_ack, -}; - -static int vlynq_setup_irq(struct vlynq_device *dev) -{ - u32 val; - int i, virq; - - if (dev->local_irq == dev->remote_irq) { - printk(KERN_ERR - "%s: local vlynq irq should be different from remote\n", - dev->dev.bus_id); - return -EINVAL; - } - - /* Clear local and remote error bits */ - vlynq_reg_write(dev->local->status, vlynq_reg_read(dev->local->status)); - vlynq_reg_write(dev->remote->status, - vlynq_reg_read(dev->remote->status)); - - /* Now setup interrupts */ - val = VLYNQ_CTRL_INT_VECTOR(dev->local_irq); - val |= VLYNQ_CTRL_INT_ENABLE | VLYNQ_CTRL_INT_LOCAL | - VLYNQ_CTRL_INT2CFG; - val |= vlynq_reg_read(dev->local->control); - vlynq_reg_write(dev->local->int_ptr, VLYNQ_INT_OFFSET); - vlynq_reg_write(dev->local->control, val); - - val = VLYNQ_CTRL_INT_VECTOR(dev->remote_irq); - val |= VLYNQ_CTRL_INT_ENABLE; - val |= vlynq_reg_read(dev->remote->control); - vlynq_reg_write(dev->remote->int_ptr, VLYNQ_INT_OFFSET); - vlynq_reg_write(dev->remote->control, val); - - for (i = dev->irq_start; i <= dev->irq_end; i++) { - virq = i - dev->irq_start; - if (virq == dev->local_irq) { - set_irq_chip_and_handler(i, &vlynq_local_chip, - handle_level_irq); - set_irq_chip_data(i, dev); - } else if (virq == dev->remote_irq) { - set_irq_chip_and_handler(i, &vlynq_remote_chip, - handle_level_irq); - set_irq_chip_data(i, dev); - } else { - set_irq_chip_and_handler(i, &vlynq_irq_chip, - handle_simple_irq); - set_irq_chip_data(i, dev); - vlynq_reg_write(dev->remote->int_device[virq >> 2], 0); - } - } - - if (request_irq(dev->irq, vlynq_irq, IRQF_SHARED, "vlynq", dev)) { - printk(KERN_ERR "%s: request_irq failed\n", dev->dev.bus_id); - return -EAGAIN; - } - - return 0; -} - -static void vlynq_device_release(struct device *dev) -{ - struct vlynq_device *vdev = to_vlynq_device(dev); - kfree(vdev); -} - -static int vlynq_device_match(struct device *dev, - struct device_driver *drv) -{ - struct vlynq_device *vdev = to_vlynq_device(dev); - struct vlynq_driver *vdrv = to_vlynq_driver(drv); - struct vlynq_device_id *ids = vdrv->id_table; - - while (ids->id) { - if (ids->id == vdev->dev_id) { - vdev->divisor = ids->divisor; - vlynq_set_drvdata(vdev, ids); - printk(KERN_INFO "Driver found for VLYNQ " \ - "device: %08x\n", vdev->dev_id); - return 1; - } - printk(KERN_DEBUG "Not using the %08x VLYNQ device's driver" \ - " for VLYNQ device: %08x\n", ids->id, vdev->dev_id); - ids++; - } - return 0; -} - -static int vlynq_device_probe(struct device *dev) -{ - struct vlynq_device *vdev = to_vlynq_device(dev); - struct vlynq_driver *drv = to_vlynq_driver(dev->driver); - struct vlynq_device_id *id = vlynq_get_drvdata(vdev); - int result = -ENODEV; - - get_device(dev); - if (drv && drv->probe) - result = drv->probe(vdev, id); - if (result) - put_device(dev); - return result; -} - -static int vlynq_device_remove(struct device *dev) -{ - struct vlynq_driver *drv = to_vlynq_driver(dev->driver); - if (drv && drv->remove) - drv->remove(to_vlynq_device(dev)); - put_device(dev); - return 0; -} - -int __vlynq_register_driver(struct vlynq_driver *driver, struct module *owner) -{ - driver->driver.name = driver->name; - driver->driver.bus = &vlynq_bus_type; - return driver_register(&driver->driver); -} -EXPORT_SYMBOL(__vlynq_register_driver); - -void vlynq_unregister_driver(struct vlynq_driver *driver) -{ - driver_unregister(&driver->driver); -} -EXPORT_SYMBOL(vlynq_unregister_driver); - -static int __vlynq_try_remote(struct vlynq_device *dev) -{ - int i; - - vlynq_reset(dev); - for (i = dev->dev_id ? vlynq_rdiv2 : vlynq_rdiv8; dev->dev_id ? - i <= vlynq_rdiv8 : i >= vlynq_rdiv2; - dev->dev_id ? i++ : i--) { - - if (!vlynq_linked(dev)) - break; - - vlynq_reg_write(dev->remote->control, - (vlynq_reg_read(dev->remote->control) & - ~VLYNQ_CTRL_CLOCK_MASK) | - VLYNQ_CTRL_CLOCK_INT | - VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1)); - vlynq_reg_write(dev->local->control, - ((vlynq_reg_read(dev->local->control) - & ~(VLYNQ_CTRL_CLOCK_INT | - VLYNQ_CTRL_CLOCK_MASK)) | - VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1))); - - if (vlynq_linked(dev)) { - printk(KERN_DEBUG - "%s: using remote clock divisor %d\n", - dev->dev.bus_id, i - vlynq_rdiv1 + 1); - dev->divisor = i; - return 0; - } else { - vlynq_reset(dev); - } - } - - return -ENODEV; -} - -static int __vlynq_try_local(struct vlynq_device *dev) -{ - int i; - - vlynq_reset(dev); - - for (i = dev->dev_id ? vlynq_ldiv2 : vlynq_ldiv8; dev->dev_id ? - i <= vlynq_ldiv8 : i >= vlynq_ldiv2; - dev->dev_id ? i++ : i--) { - - vlynq_reg_write(dev->local->control, - (vlynq_reg_read(dev->local->control) & - ~VLYNQ_CTRL_CLOCK_MASK) | - VLYNQ_CTRL_CLOCK_INT | - VLYNQ_CTRL_CLOCK_DIV(i - vlynq_ldiv1)); - - if (vlynq_linked(dev)) { - printk(KERN_DEBUG - "%s: using local clock divisor %d\n", - dev->dev.bus_id, i - vlynq_ldiv1 + 1); - dev->divisor = i; - return 0; - } else { - vlynq_reset(dev); - } - } - - return -ENODEV; -} - -static int __vlynq_try_external(struct vlynq_device *dev) -{ - vlynq_reset(dev); - if (!vlynq_linked(dev)) - return -ENODEV; - - vlynq_reg_write(dev->remote->control, - (vlynq_reg_read(dev->remote->control) & - ~VLYNQ_CTRL_CLOCK_INT)); - - vlynq_reg_write(dev->local->control, - (vlynq_reg_read(dev->local->control) & - ~VLYNQ_CTRL_CLOCK_INT)); - - if (vlynq_linked(dev)) { - printk(KERN_DEBUG "%s: using external clock\n", - dev->dev.bus_id); - dev->divisor = vlynq_div_external; - return 0; - } - - return -ENODEV; -} - -static int __vlynq_enable_device(struct vlynq_device *dev) -{ - int result; - struct plat_vlynq_ops *ops = dev->dev.platform_data; - - result = ops->on(dev); - if (result) - return result; - - switch (dev->divisor) { - case vlynq_div_external: - case vlynq_div_auto: - /* When the device is brought from reset it should have clock - generation negotiated by hardware. - Check which device is generating clocks and perform setup - accordingly */ - if (vlynq_linked(dev) && vlynq_reg_read(dev->remote->control) & - VLYNQ_CTRL_CLOCK_INT) { - if (!__vlynq_try_remote(dev) || - !__vlynq_try_local(dev) || - !__vlynq_try_external(dev)) - return 0; - } else { - if (!__vlynq_try_external(dev) || - !__vlynq_try_local(dev) || - !__vlynq_try_remote(dev)) - return 0; - } - break; - case vlynq_ldiv1: case vlynq_ldiv2: case vlynq_ldiv3: case vlynq_ldiv4: - case vlynq_ldiv5: case vlynq_ldiv6: case vlynq_ldiv7: case vlynq_ldiv8: - vlynq_reg_write(dev->local->control, - VLYNQ_CTRL_CLOCK_INT | - VLYNQ_CTRL_CLOCK_DIV(dev->divisor - - vlynq_ldiv1)); - vlynq_reg_write(dev->remote->control, 0); - if (vlynq_linked(dev)) { - printk(KERN_DEBUG - "%s: using local clock divisor %d\n", - dev->dev.bus_id, dev->divisor - vlynq_ldiv1 + 1); - return 0; - } - break; - case vlynq_rdiv1: case vlynq_rdiv2: case vlynq_rdiv3: case vlynq_rdiv4: - case vlynq_rdiv5: case vlynq_rdiv6: case vlynq_rdiv7: case vlynq_rdiv8: - vlynq_reg_write(dev->local->control, 0); - vlynq_reg_write(dev->remote->control, - VLYNQ_CTRL_CLOCK_INT | - VLYNQ_CTRL_CLOCK_DIV(dev->divisor - - vlynq_rdiv1)); - if (vlynq_linked(dev)) { - printk(KERN_DEBUG - "%s: using remote clock divisor %d\n", - dev->dev.bus_id, dev->divisor - vlynq_rdiv1 + 1); - return 0; - } - break; - } - - ops->off(dev); - return -ENODEV; -} - -int vlynq_enable_device(struct vlynq_device *dev) -{ - struct plat_vlynq_ops *ops = dev->dev.platform_data; - int result = -ENODEV; - - result = __vlynq_enable_device(dev); - if (result) - return result; - - result = vlynq_setup_irq(dev); - if (result) - ops->off(dev); - - dev->enabled = !result; - return result; -} -EXPORT_SYMBOL(vlynq_enable_device); - - -void vlynq_disable_device(struct vlynq_device *dev) -{ - struct plat_vlynq_ops *ops = dev->dev.platform_data; - - dev->enabled = 0; - free_irq(dev->irq, dev); - ops->off(dev); -} -EXPORT_SYMBOL(vlynq_disable_device); - -int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset, - struct vlynq_mapping *mapping) -{ - int i; - - if (!dev->enabled) - return -ENXIO; - - vlynq_reg_write(dev->local->tx_offset, tx_offset); - for (i = 0; i < 4; i++) { - vlynq_reg_write(dev->local->rx_mapping[i].offset, - mapping[i].offset); - vlynq_reg_write(dev->local->rx_mapping[i].size, - mapping[i].size); - } - return 0; -} -EXPORT_SYMBOL(vlynq_set_local_mapping); - -int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset, - struct vlynq_mapping *mapping) -{ - int i; - - if (!dev->enabled) - return -ENXIO; - - vlynq_reg_write(dev->remote->tx_offset, tx_offset); - for (i = 0; i < 4; i++) { - vlynq_reg_write(dev->remote->rx_mapping[i].offset, - mapping[i].offset); - vlynq_reg_write(dev->remote->rx_mapping[i].size, - mapping[i].size); - } - return 0; -} -EXPORT_SYMBOL(vlynq_set_remote_mapping); - -int vlynq_set_local_irq(struct vlynq_device *dev, int virq) -{ - int irq = dev->irq_start + virq; - if (dev->enabled) - return -EBUSY; - - if ((irq < dev->irq_start) || (irq > dev->irq_end)) - return -EINVAL; - - if (virq == dev->remote_irq) - return -EINVAL; - - dev->local_irq = virq; - - return 0; -} -EXPORT_SYMBOL(vlynq_set_local_irq); - -int vlynq_set_remote_irq(struct vlynq_device *dev, int virq) -{ - int irq = dev->irq_start + virq; - if (dev->enabled) - return -EBUSY; - - if ((irq < dev->irq_start) || (irq > dev->irq_end)) - return -EINVAL; - - if (virq == dev->local_irq) - return -EINVAL; - - dev->remote_irq = virq; - - return 0; -} -EXPORT_SYMBOL(vlynq_set_remote_irq); - -static int vlynq_probe(struct platform_device *pdev) -{ - struct vlynq_device *dev; - struct resource *regs_res, *mem_res, *irq_res; - int len, result; - - regs_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); - if (!regs_res) - return -ENODEV; - - mem_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem"); - if (!mem_res) - return -ENODEV; - - irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "devirq"); - if (!irq_res) - return -ENODEV; - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (!dev) { - printk(KERN_ERR - "vlynq: failed to allocate device structure\n"); - return -ENOMEM; - } - - dev->id = pdev->id; - dev->dev.bus = &vlynq_bus_type; - dev->dev.parent = &pdev->dev; - snprintf(dev->dev.bus_id, BUS_ID_SIZE, "vlynq%d", dev->id); - dev->dev.bus_id[BUS_ID_SIZE - 1] = 0; - dev->dev.platform_data = pdev->dev.platform_data; - dev->dev.release = vlynq_device_release; - - dev->regs_start = regs_res->start; - dev->regs_end = regs_res->end; - dev->mem_start = mem_res->start; - dev->mem_end = mem_res->end; - - len = regs_res->end - regs_res->start; - if (!request_mem_region(regs_res->start, len, dev->dev.bus_id)) { - printk(KERN_ERR "%s: Can't request vlynq registers\n", - dev->dev.bus_id); - result = -ENXIO; - goto fail_request; - } - - dev->local = ioremap(regs_res->start, len); - if (!dev->local) { - printk(KERN_ERR "%s: Can't remap vlynq registers\n", - dev->dev.bus_id); - result = -ENXIO; - goto fail_remap; - } - - dev->remote = (struct vlynq_regs *)((void *)dev->local + - VLYNQ_REMOTE_OFFSET); - - dev->irq = platform_get_irq_byname(pdev, "irq"); - dev->irq_start = irq_res->start; - dev->irq_end = irq_res->end; - dev->local_irq = dev->irq_end - dev->irq_start; - dev->remote_irq = dev->local_irq - 1; - - if (device_register(&dev->dev)) - goto fail_register; - platform_set_drvdata(pdev, dev); - - printk(KERN_INFO "%s: regs 0x%p, irq %d, mem 0x%p\n", - dev->dev.bus_id, (void *)dev->regs_start, dev->irq, - (void *)dev->mem_start); - - dev->dev_id = 0; - dev->divisor = vlynq_div_auto; - result = __vlynq_enable_device(dev); - if (result == 0) { - dev->dev_id = vlynq_reg_read(dev->remote->chip); - ((struct plat_vlynq_ops *)(dev->dev.platform_data))->off(dev); - } - if (dev->dev_id) - printk(KERN_INFO "Found a VLYNQ device: %08x\n", dev->dev_id); - - return 0; - -fail_register: - iounmap(dev->local); -fail_remap: -fail_request: - release_mem_region(regs_res->start, len); - kfree(dev); - return result; -} - -static int vlynq_remove(struct platform_device *pdev) -{ - struct vlynq_device *dev = platform_get_drvdata(pdev); - - device_unregister(&dev->dev); - iounmap(dev->local); - release_mem_region(dev->regs_start, dev->regs_end - dev->regs_start); - - kfree(dev); - - return 0; -} - -static struct platform_driver vlynq_platform_driver = { - .driver.name = "vlynq", - .probe = vlynq_probe, - .remove = __devexit_p(vlynq_remove), -}; - -struct bus_type vlynq_bus_type = { - .name = "vlynq", - .match = vlynq_device_match, - .probe = vlynq_device_probe, - .remove = vlynq_device_remove, -}; -EXPORT_SYMBOL(vlynq_bus_type); - -static int __devinit vlynq_init(void) -{ - int res = 0; - - res = bus_register(&vlynq_bus_type); - if (res) - goto fail_bus; - - res = platform_driver_register(&vlynq_platform_driver); - if (res) - goto fail_platform; - - return 0; - -fail_platform: - bus_unregister(&vlynq_bus_type); -fail_bus: - return res; -} - -static void __devexit vlynq_exit(void) -{ - platform_driver_unregister(&vlynq_platform_driver); - bus_unregister(&vlynq_bus_type); -} - -module_init(vlynq_init); -module_exit(vlynq_exit); diff --git a/target/linux/ar7/files/include/asm-mips/ar7/ar7.h b/target/linux/ar7/files/include/asm-mips/ar7/ar7.h deleted file mode 100644 index 19b5289fd..000000000 --- a/target/linux/ar7/files/include/asm-mips/ar7/ar7.h +++ /dev/null @@ -1,198 +0,0 @@ -/* - * Copyright (C) 2006,2007 Felix Fietkau - * Copyright (C) 2006,2007 Eugene Konev - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef __AR7_H__ -#define __AR7_H__ - -#include -#include -#include - -#define AR7_REGS_BASE 0x08610000 - -#define AR7_REGS_MAC0 (AR7_REGS_BASE + 0x0000) -#define AR7_REGS_GPIO (AR7_REGS_BASE + 0x0900) -/* 0x08610A00 - 0x08610BFF (512 bytes, 128 bytes / clock) */ -#define AR7_REGS_POWER (AR7_REGS_BASE + 0x0a00) -#define AR7_REGS_UART0 (AR7_REGS_BASE + 0x0e00) -#define AR7_REGS_USB (AR7_REGS_BASE + 0x1200) -#define AR7_REGS_RESET (AR7_REGS_BASE + 0x1600) -#define AR7_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1800) -#define AR7_REGS_DCL (AR7_REGS_BASE + 0x1a00) -#define AR7_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1c00) -#define AR7_REGS_MDIO (AR7_REGS_BASE + 0x1e00) -#define AR7_REGS_IRQ (AR7_REGS_BASE + 0x2400) -#define AR7_REGS_MAC1 (AR7_REGS_BASE + 0x2800) - -#define AR7_REGS_WDT (AR7_REGS_BASE + 0x1f00) -#define UR8_REGS_WDT (AR7_REGS_BASE + 0x0b00) -#define UR8_REGS_UART1 (AR7_REGS_BASE + 0x0f00) - -#define TITAN_REGS_MAC0 (0x08640000) -#define TITAN_REGS_MAC1 (TITAN_REGS_MAC0 + 0x0800) -#define TITAN_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1c00) -#define TITAN_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1300) - -#define AR7_RESET_PEREPHERIAL 0x0 -#define AR7_RESET_SOFTWARE 0x4 -#define AR7_RESET_STATUS 0x8 - -#define AR7_RESET_BIT_CPMAC_LO 17 -#define AR7_RESET_BIT_CPMAC_HI 21 -#define AR7_RESET_BIT_MDIO 22 -#define AR7_RESET_BIT_EPHY 26 - -#define TITAN_RESET_BIT_EPHY1 28 - -/* GPIO control registers */ -#define AR7_GPIO_INPUT 0x0 -#define AR7_GPIO_OUTPUT 0x4 -#define AR7_GPIO_DIR 0x8 -#define AR7_GPIO_ENABLE 0xc -#define TITAN_GPIO_INPUT_0 0x0 -#define TITAN_GPIO_INPUT_1 0x4 -#define TITAN_GPIO_OUTPUT_0 0x8 -#define TITAN_GPIO_OUTPUT_1 0xc -#define TITAN_GPIO_DIR_0 0x10 -#define TITAN_GPIO_DIR_1 0x14 -#define TITAN_GPIO_ENBL_0 0x18 -#define TITAN_GPIO_ENBL_1 0x1c - -#define AR7_CHIP_7100 0x18 -#define AR7_CHIP_7200 0x2b -#define AR7_CHIP_7300 0x05 -#define AR7_CHIP_TITAN 0x07 -#define TITAN_CHIP_1050 0x0f -#define TITAN_CHIP_1055 0x0e -#define TITAN_CHIP_1056 0x0d -#define TITAN_CHIP_1060 0x07 - -/* Interrupts */ -#define AR7_IRQ_UART0 15 -#define AR7_IRQ_UART1 16 - -/* Clocks */ -#define AR7_AFE_CLOCK 35328000 -#define AR7_REF_CLOCK 25000000 -#define AR7_XTAL_CLOCK 24000000 - -struct plat_cpmac_data { - int reset_bit; - int power_bit; - u32 phy_mask; - char dev_addr[6]; -}; - -struct plat_dsl_data { - int reset_bit_dsl; - int reset_bit_sar; -}; - -extern int ar7_cpu_clock, ar7_bus_clock, ar7_dsp_clock; - -static inline int ar7_is_titan(void) -{ - return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x24)) & 0xffff) == - AR7_CHIP_TITAN; -} - -static inline u16 ar7_chip_id(void) -{ - return ar7_is_titan() ? AR7_CHIP_TITAN : (readl((void *) - KSEG1ADDR(AR7_REGS_GPIO + 0x14)) & 0xffff); -} - -static inline u8 ar7_chip_rev(void) -{ - return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + (ar7_is_titan() ? 0x24 : - 0x14))) >> 16) & 0xff; -} - -static inline int ar7_cpu_freq(void) -{ - return ar7_cpu_clock; -} - -static inline int ar7_bus_freq(void) -{ - return ar7_bus_clock; -} - -static inline int ar7_vbus_freq(void) -{ - return ar7_bus_clock / 2; -} -#define ar7_cpmac_freq ar7_vbus_freq - -static inline int ar7_dsp_freq(void) -{ - return ar7_dsp_clock; -} - -static inline int ar7_has_high_cpmac(void) -{ - u16 chip_id = ar7_chip_id(); - switch (chip_id) { - case AR7_CHIP_7100: - case AR7_CHIP_7200: - return 0; - default: - return 1; - } -} -#define ar7_has_high_vlynq ar7_has_high_cpmac -#define ar7_has_second_uart ar7_has_high_cpmac - -static inline void ar7_device_enable(u32 bit) -{ - void *reset_reg = - (void *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PEREPHERIAL); - writel(readl(reset_reg) | (1 << bit), reset_reg); - mdelay(20); -} - -static inline void ar7_device_disable(u32 bit) -{ - void *reset_reg = - (void *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PEREPHERIAL); - writel(readl(reset_reg) & ~(1 << bit), reset_reg); - mdelay(20); -} - -static inline void ar7_device_reset(u32 bit) -{ - ar7_device_disable(bit); - ar7_device_enable(bit); -} - -static inline void ar7_device_on(u32 bit) -{ - void *power_reg = (void *)KSEG1ADDR(AR7_REGS_POWER); - writel(readl(power_reg) | (1 << bit), power_reg); - mdelay(20); -} - -static inline void ar7_device_off(u32 bit) -{ - void *power_reg = (void *)KSEG1ADDR(AR7_REGS_POWER); - writel(readl(power_reg) & ~(1 << bit), power_reg); - mdelay(20); -} - -#endif /* __AR7_H__ */ diff --git a/target/linux/ar7/files/include/asm-mips/ar7/gpio.h b/target/linux/ar7/files/include/asm-mips/ar7/gpio.h deleted file mode 100644 index fde93bc7c..000000000 --- a/target/linux/ar7/files/include/asm-mips/ar7/gpio.h +++ /dev/null @@ -1,269 +0,0 @@ -/* - * Copyright (C) 2007 Florian Fainelli - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef __AR7_GPIO_H__ -#define __AR7_GPIO_H__ -#include -#ifndef __AR7_TITAN_H__ -#include -#endif - -#define AR7_GPIO_MAX 32 -#define TITAN_GPIO_MAX 51 - -extern int gpio_request(unsigned gpio, const char *label); -extern void gpio_free(unsigned gpio); - -/* Common GPIO layer */ -static inline int gpio_get_value_ar7(unsigned gpio) -{ - void __iomem *gpio_in = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_INPUT); - - return readl(gpio_in) & (1 << gpio); -} - -static inline int gpio_get_value_titan(unsigned gpio) -{ - void __iomem *gpio_in0 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_0); - void __iomem *gpio_in1 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_1); - - return readl(gpio >> 5 ? gpio_in1 : gpio_in0) & (1 << (gpio & 0x1f)); -} - -static inline int gpio_get_value(unsigned gpio) -{ - return ar7_is_titan() ? gpio_get_value_titan(gpio) : - gpio_get_value_ar7(gpio); -} - -static inline void gpio_set_value_ar7(unsigned gpio, int value) -{ - void __iomem *gpio_out = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); - unsigned tmp; - - tmp = readl(gpio_out) & ~(1 << gpio); - if (value) - tmp |= 1 << gpio; - writel(tmp, gpio_out); -} - -static inline void gpio_set_value_titan(unsigned gpio, int value) -{ - void __iomem *gpio_out0 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_OUTPUT_0); - void __iomem *gpio_out1 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_OUTPUT_1); - unsigned tmp; - - tmp = readl(gpio >> 5 ? gpio_out1 : gpio_out0) & ~(1 << (gpio & 0x1f)); - if (value) - tmp |= 1 << (gpio & 0x1f); - writel(tmp, gpio >> 5 ? gpio_out1 : gpio_out0); -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - if (ar7_is_titan()) - gpio_set_value_titan(gpio, value); - else - gpio_set_value_ar7(gpio, value); -} - -static inline int gpio_direction_input_ar7(unsigned gpio) -{ - void __iomem *gpio_dir = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR); - - if (gpio >= AR7_GPIO_MAX) - return -EINVAL; - - writel(readl(gpio_dir) | (1 << gpio), gpio_dir); - - return 0; -} - -static inline int gpio_direction_input_titan(unsigned gpio) -{ - void __iomem *gpio_dir0 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_0); - void __iomem *gpio_dir1 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_1); - - if (gpio >= TITAN_GPIO_MAX) - return -EINVAL; - - writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) | (1 << (gpio & 0x1f)), - gpio >> 5 ? gpio_dir1 : gpio_dir0); - - return 0; -} - -static inline int gpio_direction_input(unsigned gpio) -{ - return ar7_is_titan() ? gpio_direction_input_titan(gpio) : - gpio_direction_input_ar7(gpio); -} - -static inline int gpio_direction_output_ar7(unsigned gpio, int value) -{ - void __iomem *gpio_dir = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR); - - if (gpio >= AR7_GPIO_MAX) - return -EINVAL; - - gpio_set_value(gpio, value); - writel(readl(gpio_dir) & ~(1 << gpio), gpio_dir); - - return 0; -} - -static inline int gpio_direction_output_titan(unsigned gpio, int value) -{ - void __iomem *gpio_dir0 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_0); - void __iomem *gpio_dir1 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_1); - - if (gpio >= TITAN_GPIO_MAX) - return -EINVAL; - - gpio_set_value_titan(gpio, value); - writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) & ~(1 << - (gpio & 0x1f)), gpio >> 5 ? gpio_dir1 : gpio_dir0); - - return 0; -} - -static inline int gpio_direction_output(unsigned gpio, int value) -{ - return ar7_is_titan() ? gpio_direction_output_titan(gpio, value) : - gpio_direction_output_ar7(gpio, value); -} - -static inline int gpio_to_irq(unsigned gpio) -{ - return -EINVAL; -} - -static inline int irq_to_gpio(unsigned irq) -{ - return -EINVAL; -} - -/* Board specific GPIO functions */ -static inline int ar7_gpio_enable_ar7(unsigned gpio) -{ - void __iomem *gpio_en = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); - - writel(readl(gpio_en) | (1 << gpio), gpio_en); - - return 0; -} - -static inline int ar7_gpio_enable_titan(unsigned gpio) -{ - void __iomem *gpio_en0 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_0); - void __iomem *gpio_en1 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_1); - - writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) | (1 << (gpio & 0x1f)), - gpio >> 5 ? gpio_en1 : gpio_en0); - - return 0; -} - -static inline int ar7_gpio_enable(unsigned gpio) -{ - return ar7_is_titan() ? ar7_gpio_enable_titan(gpio) : - ar7_gpio_enable_ar7(gpio); -} - -static inline int ar7_gpio_disable_ar7(unsigned gpio) -{ - void __iomem *gpio_en = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); - - writel(readl(gpio_en) & ~(1 << gpio), gpio_en); - - return 0; -} - -static inline int ar7_gpio_disable_titan(unsigned gpio) -{ - void __iomem *gpio_en0 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_0); - void __iomem *gpio_en1 = - (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_1); - - writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) & ~(1 << (gpio & 0x1f)), - gpio >> 5 ? gpio_en1 : gpio_en0); - - return 0; -} - -static inline int ar7_gpio_disable(unsigned gpio) -{ - return ar7_is_titan() ? ar7_gpio_disable_titan(gpio) : - ar7_gpio_disable_ar7(gpio); -} - -static inline int ar7_init_titan_variant( void ) -{ - /*UINT32 new_val;*/ - unsigned new_val; - - /* set GPIO 44 - 47 as input */ - /*PAL_sysGpioCtrl(const int, GPIO_PIN, GPIO_INPUT_PIN); */ - /*define titan_gpio_ctrl in titan.h*/ - titan_gpio_ctrl(44, GPIO_PIN, GPIO_INPUT_PIN); - titan_gpio_ctrl(45, GPIO_PIN, GPIO_INPUT_PIN); - titan_gpio_ctrl(46, GPIO_PIN, GPIO_INPUT_PIN); - titan_gpio_ctrl(47, GPIO_PIN, GPIO_INPUT_PIN); - - /* read GPIO to get Titan variant type */ - /*fix this*/ - titan_sysGpioInValue( &new_val, 1 ); - - new_val >>= 12; - new_val &= 0x0f; - - switch ( new_val ) - { - case TITAN_CHIP_1050: - case TITAN_CHIP_1055: - case TITAN_CHIP_1056: - case TITAN_CHIP_1060: - return new_val; - - default: - break; - } - /* In case we get an invalid value, return the default Titan chip */ - return TITAN_CHIP_1050; -} - -#include - -#endif diff --git a/target/linux/ar7/files/include/asm-mips/ar7/irq.h b/target/linux/ar7/files/include/asm-mips/ar7/irq.h deleted file mode 100644 index 39e9757e3..000000000 --- a/target/linux/ar7/files/include/asm-mips/ar7/irq.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Shamelessly copied from asm-mips/mach-emma2rh/ - * Copyright (C) 2003 by Ralf Baechle - */ -#ifndef __ASM_AR7_IRQ_H -#define __ASM_AR7_IRQ_H - -#define NR_IRQS 256 - -#include_next - -#endif /* __ASM_AR7_IRQ_H */ diff --git a/target/linux/ar7/files/include/asm-mips/ar7/prom.h b/target/linux/ar7/files/include/asm-mips/ar7/prom.h deleted file mode 100644 index 55f5939db..000000000 --- a/target/linux/ar7/files/include/asm-mips/ar7/prom.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright (C) 2006, 2007 Florian Fainelli - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef __PROM_H__ -#define __PROM_H__ - -extern char *prom_getenv(const char *name); -extern void prom_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); -extern void prom_meminit(void); - -#endif /* __PROM_H__ */ diff --git a/target/linux/ar7/files/include/asm-mips/ar7/spaces.h b/target/linux/ar7/files/include/asm-mips/ar7/spaces.h deleted file mode 100644 index f4d123792..000000000 --- a/target/linux/ar7/files/include/asm-mips/ar7/spaces.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1994 - 1999, 2000, 03, 04 Ralf Baechle - * Copyright (C) 2000, 2002 Maciej W. Rozycki - * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc. - */ -#ifndef _ASM_AR7_SPACES_H -#define _ASM_AR7_SPACES_H - -#define CAC_BASE 0x80000000 -#define IO_BASE 0xa0000000 -#define UNCAC_BASE 0xa0000000 -#define MAP_BASE 0xc0000000 - -/* - * This handles the memory map. - * We handle pages at KSEG0 for kernels with 32 bit address space. - */ -#define PAGE_OFFSET 0x94000000UL -#define PHYS_OFFSET 0x14000000UL - -/* - * Memory above this physical address will be considered highmem. - */ -#ifndef HIGHMEM_START -#define HIGHMEM_START 0x40000000UL -#endif - -#endif /* __ASM_AR7_SPACES_H */ diff --git a/target/linux/ar7/files/include/asm-mips/ar7/titan.h b/target/linux/ar7/files/include/asm-mips/ar7/titan.h deleted file mode 100644 index 0c2a51fde..000000000 --- a/target/linux/ar7/files/include/asm-mips/ar7/titan.h +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Copyright (C) 2008 Stanley Pinchak - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __AR7_TITAN_H__ -#define __AR7_TITAN_H__ - -#ifndef __AR7_GPIO_H__ -#include -#endif - -typedef enum TITAN_GPIO_PIN_MODE_tag -{ - FUNCTIONAL_PIN = 0, - GPIO_PIN = 1 -} TITAN_GPIO_PIN_MODE_T; - -typedef enum TITAN_GPIO_PIN_DIRECTION_tag -{ - GPIO_OUTPUT_PIN = 0, - GPIO_INPUT_PIN = 1 -} TITAN_GPIO_PIN_DIRECTION_T; - -/********************************************************************** - * GPIO Control - **********************************************************************/ - -typedef struct -{ - int pinSelReg; - int shift; - int func; - -} GPIO_CFG; - -static GPIO_CFG gptable[]= { - /* PIN_SEL_REG, START_BIT, GPIO_CFG_MUX_VALUE */ - {4,24,1}, - {4,26,1}, - {4,28,1}, - {4,30,1}, - {5,6,1}, - {5,8,1}, - {5,10,1}, - {5,12,1}, - {7,14,3}, - {7,16,3}, - {7,18,3}, - {7,20,3}, - {7,22,3}, - {7,26,3}, - {7,28,3}, - {7,30,3}, - {8,0,3}, - {8,2,3}, - {8,4,3}, - {8,10,3}, - {8,14,3}, - {8,16,3}, - {8,18,3}, - {8,20,3}, - {9,8,3}, - {9,10,3}, - {9,12,3}, - {9,14,3}, - {9,18,3}, - {9,20,3}, - {9,24,3}, - {9,26,3}, - {9,28,3}, - {9,30,3}, - {10,0,3}, - {10,2,3}, - {10,8,3}, - {10,10,3}, - {10,12,3}, - {10,14,3}, - {13,12,3}, - {13,14,3}, - {13,16,3}, - {13,18,3}, - {13,24,3}, - {13,26,3}, - {13,28,3}, - {13,30,3}, - {14,2,3}, - {14,6,3}, - {14,8,3}, - {14,12,3} -}; - -typedef struct -{ - volatile unsigned int reg[21]; -} -PIN_SEL_REG_ARRAY_T; - -typedef struct -{ - unsigned int data_in [2]; - unsigned int data_out[2]; - unsigned int dir[2]; - unsigned int enable[2]; - -} TITAN_GPIO_CONTROL_T; - -#define AVALANCHE_PIN_SEL_BASE 0xA861160C /*replace with KSEG1ADDR()*/ - -static inline int titan_gpio_ctrl(unsigned int gpio_pin, TITAN_GPIO_PIN_MODE_T pin_mode, - TITAN_GPIO_PIN_DIRECTION_T pin_direction) -{ - int reg_index = 0; - int mux_status; - GPIO_CFG gpio_cfg; - volatile PIN_SEL_REG_ARRAY_T *pin_sel_array = (PIN_SEL_REG_ARRAY_T*) AVALANCHE_PIN_SEL_BASE; - volatile TITAN_GPIO_CONTROL_T *gpio_cntl = (TITAN_GPIO_CONTROL_T*) KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_0); - - if (gpio_pin > 51 ) - return(-1); - - gpio_cfg = gptable[gpio_pin]; - mux_status = (pin_sel_array->reg[gpio_cfg.pinSelReg - 1] >> gpio_cfg.shift) & 0x3; - if(!((mux_status == 0 /* tri-stated */ ) || (mux_status == gpio_cfg.func /*GPIO functionality*/))) - { - return(-1); /* Pin have been configured for non GPIO funcs. */ - } - - /* Set the pin to be used as GPIO. */ - pin_sel_array->reg[gpio_cfg.pinSelReg - 1] |= ((gpio_cfg.func & 0x3) << gpio_cfg.shift); - - /* Check whether gpio refers to the first GPIO reg or second. */ - if(gpio_pin > 31) - { - reg_index = 1; - gpio_pin -= 32; - } - - if(pin_mode) - gpio_cntl->enable[reg_index] |= (1 << gpio_pin); /* Enable */ - else - gpio_cntl->enable[reg_index] &= ~(1 << gpio_pin); - - if(pin_direction) - gpio_cntl->dir[reg_index] |= (1 << gpio_pin); /* Input */ - else - gpio_cntl->dir[reg_index] &= ~(1 << gpio_pin); - - return(0); - -}/* end of function titan_gpio_ctrl */ - -static inline int titan_sysGpioInValue(unsigned int *in_val, unsigned int reg_index) -{ - volatile TITAN_GPIO_CONTROL_T *gpio_cntl = (TITAN_GPIO_CONTROL_T*) KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_0); - - if(reg_index > 1) - return (-1); - - *in_val = gpio_cntl->data_in[reg_index]; - - return (0); -} - - -#endif diff --git a/target/linux/ar7/files/include/asm-mips/ar7/war.h b/target/linux/ar7/files/include/asm-mips/ar7/war.h deleted file mode 100644 index 4a2b7986b..000000000 --- a/target/linux/ar7/files/include/asm-mips/ar7/war.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2002, 2004, 2007 by Ralf Baechle - */ -#ifndef __ASM_MIPS_MACH_BCM947XX_WAR_H -#define __ASM_MIPS_MACH_BCM947XX_WAR_H - -#define R4600_V1_INDEX_ICACHEOP_WAR 0 -#define R4600_V1_HIT_CACHEOP_WAR 0 -#define R4600_V2_HIT_CACHEOP_WAR 0 -#define R5432_CP0_INTERRUPT_WAR 0 -#define BCM1250_M3_WAR 0 -#define SIBYTE_1956_WAR 0 -#define MIPS4K_ICACHE_REFILL_WAR 0 -#define MIPS_CACHE_SYNC_WAR 0 -#define TX49XX_ICACHE_INDEX_INV_WAR 0 -#define RM9000_CDEX_SMP_WAR 0 -#define ICACHE_REFILLS_WORKAROUND_WAR 0 -#define R10000_LLSC_WAR 0 -#define MIPS34K_MISSED_ITLB_WAR 0 - -#endif /* __ASM_MIPS_MACH_BCM947XX_WAR_H */ diff --git a/target/linux/ar7/files/include/linux/vlynq.h b/target/linux/ar7/files/include/linux/vlynq.h deleted file mode 100644 index 8f6a95882..000000000 --- a/target/linux/ar7/files/include/linux/vlynq.h +++ /dev/null @@ -1,161 +0,0 @@ -/* - * Copyright (C) 2006, 2007 Eugene Konev - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef __VLYNQ_H__ -#define __VLYNQ_H__ - -#include -#include -#include - -#define VLYNQ_NUM_IRQS 32 - -struct vlynq_mapping { - u32 size; - u32 offset; -}; - -enum vlynq_divisor { - vlynq_div_auto = 0, - vlynq_ldiv1, - vlynq_ldiv2, - vlynq_ldiv3, - vlynq_ldiv4, - vlynq_ldiv5, - vlynq_ldiv6, - vlynq_ldiv7, - vlynq_ldiv8, - vlynq_rdiv1, - vlynq_rdiv2, - vlynq_rdiv3, - vlynq_rdiv4, - vlynq_rdiv5, - vlynq_rdiv6, - vlynq_rdiv7, - vlynq_rdiv8, - vlynq_div_external -}; - -struct vlynq_device_id { - u32 id; - enum vlynq_divisor divisor; - unsigned long driver_data; -}; - -struct vlynq_regs; -struct vlynq_device { - u32 id, dev_id; - int local_irq; - int remote_irq; - enum vlynq_divisor divisor; - u32 regs_start, regs_end; - u32 mem_start, mem_end; - u32 irq_start, irq_end; - int irq; - int enabled; - struct vlynq_regs *local; - struct vlynq_regs *remote; - struct device dev; -}; - -struct vlynq_driver { - char *name; - struct vlynq_device_id *id_table; - int (*probe)(struct vlynq_device *dev, struct vlynq_device_id *id); - void (*remove)(struct vlynq_device *dev); - struct device_driver driver; -}; - -struct plat_vlynq_ops { - int (*on)(struct vlynq_device *dev); - void (*off)(struct vlynq_device *dev); -}; - -static inline struct vlynq_driver *to_vlynq_driver(struct device_driver *drv) -{ - return container_of(drv, struct vlynq_driver, driver); -} - -static inline struct vlynq_device *to_vlynq_device(struct device *device) -{ - return container_of(device, struct vlynq_device, dev); -} - -extern struct bus_type vlynq_bus_type; - -extern int __vlynq_register_driver(struct vlynq_driver *driver, - struct module *owner); - -static inline int vlynq_register_driver(struct vlynq_driver *driver) -{ - return __vlynq_register_driver(driver, THIS_MODULE); -} - -static inline void *vlynq_get_drvdata(struct vlynq_device *dev) -{ - return dev_get_drvdata(&dev->dev); -} - -static inline void vlynq_set_drvdata(struct vlynq_device *dev, void *data) -{ - dev_set_drvdata(&dev->dev, data); -} - -static inline u32 vlynq_mem_start(struct vlynq_device *dev) -{ - return dev->mem_start; -} - -static inline u32 vlynq_mem_end(struct vlynq_device *dev) -{ - return dev->mem_end; -} - -static inline u32 vlynq_mem_len(struct vlynq_device *dev) -{ - return dev->mem_end - dev->mem_start + 1; -} - -static inline int vlynq_virq_to_irq(struct vlynq_device *dev, int virq) -{ - int irq = dev->irq_start + virq; - if ((irq < dev->irq_start) || (irq > dev->irq_end)) - return -EINVAL; - - return irq; -} - -static inline int vlynq_irq_to_virq(struct vlynq_device *dev, int irq) -{ - if ((irq < dev->irq_start) || (irq > dev->irq_end)) - return -EINVAL; - - return irq - dev->irq_start; -} - -extern void vlynq_unregister_driver(struct vlynq_driver *driver); -extern int vlynq_enable_device(struct vlynq_device *dev); -extern void vlynq_disable_device(struct vlynq_device *dev); -extern int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset, - struct vlynq_mapping *mapping); -extern int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset, - struct vlynq_mapping *mapping); -extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq); -extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq); - -#endif /* __VLYNQ_H__ */