/*
- * MikroTik RouterBOARD 750 support
+ * MikroTik RouterBOARD 750/750GL support
*
* Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
*
*/
#include <linux/export.h>
+#include <linux/pci.h>
+#include <linux/ath9k_platform.h>
#include <linux/platform_device.h>
+#include <linux/phy.h>
+#include <linux/ar8216_platform.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/pci.h>
+#include <asm/mach-ath79/irq.h>
#include <asm/mach-ath79/mach-rb750.h>
#include "common.h"
+#include "dev-usb.h"
#include "dev-eth.h"
#include "machtypes.h"
+#include "pci-ath9k-fixup.h"
+#include "pci.h"
static struct rb750_led_data rb750_leds[] = {
{
}
};
-static struct rb750_led_platform_data rb750_leds_data = {
- .num_leds = ARRAY_SIZE(rb750_leds),
- .leds = rb750_leds,
+static struct rb750_led_data rb750gr3_leds[] = {
+ {
+ .name = "rb750:green:act",
+ .mask = RB7XX_LED_ACT,
+ .active_low = 1,
+ },
};
+static struct rb750_led_platform_data rb750_leds_data;
static struct platform_device rb750_leds_device = {
.name = "leds-rb750",
.dev = {
}
};
+static struct rb7xx_nand_platform_data rb750_nand_data;
static struct platform_device rb750_nand_device = {
.name = "rb750-nand",
.id = -1,
+ .dev = {
+ .platform_data = &rb750_nand_data,
+ }
};
-int rb750_latch_change(u32 mask_clr, u32 mask_set)
+static void rb750_latch_change(u32 mask_clr, u32 mask_set)
{
static DEFINE_SPINLOCK(lock);
static u32 latch_set = RB750_LED_BITS | RB750_LVC573_LE;
static u32 latch_clr;
unsigned long flags;
u32 t;
- int ret = 0;
spin_lock_irqsave(&lock, flags);
__raw_readl(base + AR71XX_GPIO_REG_CLEAR);
}
- ret = 1;
-
unlock:
spin_unlock_irqrestore(&lock, flags);
- return ret;
}
-EXPORT_SYMBOL_GPL(rb750_latch_change);
-void rb750_nand_pins_enable(void)
+static void rb750_nand_enable_pins(void)
{
+ rb750_latch_change(RB750_LVC573_LE, 0);
ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
AR724X_GPIO_FUNC_SPI_EN);
}
-EXPORT_SYMBOL_GPL(rb750_nand_pins_enable);
-void rb750_nand_pins_disable(void)
+static void rb750_nand_disable_pins(void)
{
ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN,
AR724X_GPIO_FUNC_JTAG_DISABLE);
+ rb750_latch_change(0, RB750_LVC573_LE);
}
-EXPORT_SYMBOL_GPL(rb750_nand_pins_disable);
static void __init rb750_setup(void)
{
/* WAN port */
ath79_register_eth(0);
+ rb750_leds_data.num_leds = ARRAY_SIZE(rb750_leds);
+ rb750_leds_data.leds = rb750_leds;
+ rb750_leds_data.latch_change = rb750_latch_change;
platform_device_register(&rb750_leds_device);
+
+ rb750_nand_data.nce_line = RB750_NAND_NCE;
+ rb750_nand_data.enable_pins = rb750_nand_enable_pins;
+ rb750_nand_data.disable_pins = rb750_nand_disable_pins;
+ rb750_nand_data.latch_change = rb750_latch_change;
platform_device_register(&rb750_nand_device);
}
MIPS_MACHINE(ATH79_MACH_RB_750, "750i", "MikroTik RouterBOARD 750",
rb750_setup);
+
+static struct ar8327_pad_cfg rb750gr3_ar8327_pad0_cfg = {
+ .mode = AR8327_PAD_MAC_RGMII,
+ .txclk_delay_en = true,
+ .rxclk_delay_en = true,
+ .txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
+ .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
+};
+
+static struct ar8327_platform_data rb750gr3_ar8327_data = {
+ .pad0_cfg = &rb750gr3_ar8327_pad0_cfg,
+ .cpuport_cfg = {
+ .force_link = 1,
+ .speed = AR8327_PORT_SPEED_100,
+ .duplex = 1,
+ .txpause = 1,
+ .rxpause = 1,
+ }
+};
+
+static struct mdio_board_info rb750g3_mdio_info[] = {
+ {
+ .bus_id = "ag71xx-mdio.0",
+ .phy_addr = 0,
+ .platform_data = &rb750gr3_ar8327_data,
+ },
+};
+
+static void rb750gr3_nand_enable_pins(void)
+{
+ ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
+ AR724X_GPIO_FUNC_SPI_EN |
+ AR724X_GPIO_FUNC_SPI_CS_EN2);
+}
+
+static void rb750gr3_nand_disable_pins(void)
+{
+ ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN |
+ AR724X_GPIO_FUNC_SPI_CS_EN2,
+ AR724X_GPIO_FUNC_JTAG_DISABLE);
+}
+
+static void rb750gr3_latch_change(u32 mask_clr, u32 mask_set)
+{
+ static DEFINE_SPINLOCK(lock);
+ static u32 latch_set = RB7XX_LED_ACT;
+ static u32 latch_clr;
+ void __iomem *base = ath79_gpio_base;
+ unsigned long flags;
+ u32 t;
+
+ spin_lock_irqsave(&lock, flags);
+
+ latch_set = (latch_set | mask_set) & ~mask_clr;
+ latch_clr = (latch_clr | mask_clr) & ~mask_set;
+
+ mask_set = latch_set & (RB7XX_USB_POWERON | RB7XX_MONITOR);
+ mask_clr = latch_clr & (RB7XX_USB_POWERON | RB7XX_MONITOR);
+
+ if ((latch_set ^ RB7XX_LED_ACT) & RB7XX_LED_ACT) {
+ /* enable output mode */
+ t = __raw_readl(base + AR71XX_GPIO_REG_OE);
+ t |= RB7XX_LED_ACT;
+ __raw_writel(t, base + AR71XX_GPIO_REG_OE);
+
+ mask_clr |= RB7XX_LED_ACT;
+ } else {
+ /* disable output mode */
+ t = __raw_readl(base + AR71XX_GPIO_REG_OE);
+ t &= ~RB7XX_LED_ACT;
+ __raw_writel(t, base + AR71XX_GPIO_REG_OE);
+ }
+
+ __raw_writel(mask_set, base + AR71XX_GPIO_REG_SET);
+ __raw_writel(mask_clr, base + AR71XX_GPIO_REG_CLEAR);
+
+ spin_unlock_irqrestore(&lock, flags);
+}
+
+static void __init rb750gr3_setup(void)
+{
+ ath79_register_mdio(0, 0x0);
+ mdiobus_register_board_info(rb750g3_mdio_info,
+ ARRAY_SIZE(rb750g3_mdio_info));
+
+ ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
+ ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+ ath79_eth0_data.phy_mask = BIT(0);
+
+ ath79_register_eth(0);
+
+ rb750_leds_data.num_leds = ARRAY_SIZE(rb750gr3_leds);
+ rb750_leds_data.leds = rb750gr3_leds;
+ rb750_leds_data.latch_change = rb750gr3_latch_change;
+ platform_device_register(&rb750_leds_device);
+
+ rb750_nand_data.nce_line = RB7XX_NAND_NCE;
+ rb750_nand_data.enable_pins = rb750gr3_nand_enable_pins;
+ rb750_nand_data.disable_pins = rb750gr3_nand_disable_pins;
+ rb750_nand_data.latch_change = rb750gr3_latch_change;
+ platform_device_register(&rb750_nand_device);
+}
+
+MIPS_MACHINE(ATH79_MACH_RB_750G_R3, "750Gr3", "MikroTik RouterBOARD 750GL",
+ rb750gr3_setup);
+
+static struct ath9k_platform_data rb751_wmac_data = {
+ .led_pin = -1,
+};
+
+static u8 rb751_wmac_mac[6];
+
+static int rb751_pci_plat_dev_init(struct pci_dev *dev)
+{
+ switch (PCI_SLOT(dev->devfn)) {
+ case 0:
+ dev->dev.platform_data = &rb751_wmac_data;
+ break;
+ }
+
+ return 0;
+}
+
+static int decode_rle(char *output, int len, char *in)
+{
+ char *ptr = output;
+ char *end = output + len;
+ while (*in) {
+ if (*in < 0) {
+ int i = -*in++;
+ while (i-- > 0) {
+ if (ptr >= end)
+ return -1;
+ *ptr++ = *in++;
+ }
+ } else if (*in > 0) {
+ int i = *in++;
+ while (i-- > 0) {
+ if (ptr >= end)
+ return -1;
+ *ptr++ = *in;
+ }
+ in++;
+ }
+ }
+ return ptr - output;
+}
+
+#define RB751_HARDCONFIG 0x1f00b000
+#define RB751_MAC_ADDRESS_OFFSET 0xE80
+#define RB751_CALDATA_OFFSET 0x27C
+
+static void __init rb751_wlan_and_usb_setup(void)
+{
+ u8 *hardconfig = (u8 *) KSEG1ADDR(RB751_HARDCONFIG);
+
+ ath79_register_usb();
+
+ ath79_pci_set_plat_dev_init(rb751_pci_plat_dev_init);
+ ath79_register_pci();
+
+ rb751_wmac_data.macaddr = memcpy(rb751_wmac_mac,
+ hardconfig + RB751_MAC_ADDRESS_OFFSET, 6);
+
+ if (decode_rle((char *)rb751_wmac_data.eeprom_data,
+ sizeof(rb751_wmac_data.eeprom_data),
+ hardconfig + RB751_CALDATA_OFFSET) ==
+ sizeof(rb751_wmac_data.eeprom_data)) {
+ pr_info("rb7xx: calibration data found\n");
+ pci_enable_ath9k_fixup(0, rb751_wmac_data.eeprom_data);
+ }
+}
+
+static void __init rb751_setup(void)
+{
+ rb750_setup();
+ rb751_wlan_and_usb_setup();
+}
+
+MIPS_MACHINE(ATH79_MACH_RB_751, "751", "MikroTik RouterBOARD 751",
+ rb751_setup);
+
+static void __init rb751g_setup(void)
+{
+ rb750gr3_setup();
+ rb751_wlan_and_usb_setup();
+}
+
+MIPS_MACHINE(ATH79_MACH_RB_751G, "751g", "MikroTik RouterBOARD 751G",
+ rb751g_setup);
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