+endif
--- /dev/null
+++ b/arch/mips/lantiq/falcon/Makefile
-@@ -0,0 +1,3 @@
+@@ -0,0 +1,4 @@
+obj-y := clk-falcon.o devices.o gpio.o prom.o sysctrl.o reset.o
+obj-y += softdog_vpe.o
++obj-$(CONFIG_LANTIQ_MACH_EASY98000) += addon-easy98000.o
+obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o
--- /dev/null
+++ b/arch/mips/lantiq/falcon/clk-falcon.c
+EXPORT_SYMBOL(ltq_get_fpi_hz);
--- /dev/null
+++ b/arch/mips/lantiq/falcon/devices.c
-@@ -0,0 +1,180 @@
+@@ -0,0 +1,254 @@
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/spi/spi.h>
++#include <linux/mtd/nand.h>
+
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+
+#include <falcon/falcon_irq.h>
+#include <falcon/gpon_reg_base.h>
++#include <falcon/ebu_reg.h>
+#include <falcon/sys1_reg.h>
+#include <falcon/sys_eth_reg.h>
+
+ platform_device_register(<q_spi);
+}
+
++/* nand flash */
++static struct gpon_reg_ebu __iomem *membase_ebu;
++static const char *part_probes[] = { "cmdlinepart", NULL };
++
++static int falcon_nand_ready(struct mtd_info *mtd)
++{
++ u32 modcon = __raw_readl(&membase_ebu->modcon);
++
++ return (((modcon & (MODCON_STS|MODCON_STSEDGE)) ==
++ (MODCON_STS|MODCON_STSEDGE)));
++}
++
++/* address lines used for NAND control signals */
++#define NAND_ADDR_ALE (1<<16)
++#define NAND_ADDR_CLE (1<<17)
++
++static void falcon_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
++{
++ struct nand_chip *this = mtd->priv;
++ unsigned long nandaddr = (unsigned long) this->IO_ADDR_W;
++
++ if (ctrl & NAND_CTRL_CHANGE) {
++ nandaddr &= ~(NAND_ADDR_ALE | NAND_ADDR_CLE);
++
++ if (ctrl & NAND_CLE)
++ nandaddr |= NAND_ADDR_CLE;
++ if (ctrl & NAND_ALE)
++ nandaddr |= NAND_ADDR_ALE;
++
++ this->IO_ADDR_W = (void __iomem *) nandaddr;
++ }
++
++ if (cmd != NAND_CMD_NONE)
++ writeb(cmd, this->IO_ADDR_W);
++}
++
++static struct platform_nand_data falcon_flash_nand_data = {
++ .chip = {
++ .nr_chips = 1,
++ .chip_delay = 25,
++ .part_probe_types = part_probes,
++ },
++ .ctrl = {
++ .cmd_ctrl = falcon_hwcontrol,
++ .dev_ready = falcon_nand_ready,
++ }
++};
++
++static struct resource ltq_nand_resources[] = {
++ MEM_RES("nand", LTQ_FLASH_START, LTQ_FLASH_START + LTQ_FLASH_MAX - 1),
++ MEM_RES("ebu", GPON_EBU_BASE, GPON_EBU_END),
++};
++
++static struct platform_device ltq_flash_nand = {
++ .name = "gen_nand",
++ .id = -1,
++ .num_resources = ARRAY_SIZE(ltq_nand_resources),
++ .resource = ltq_nand_resources,
++ .dev = {
++ .platform_data = &falcon_flash_nand_data,
++ },
++};
++
++void __init falcon_register_nand(void)
++{
++ membase_ebu = ioremap_nocache(ltq_nand_resources[1].start,
++ resource_size(<q_nand_resources[1]));
++
++ if (membase_ebu)
++ platform_device_register(<q_flash_nand);
++}
++
+/* watchdog */
+static struct resource falcon_wdt_resource =
+ MEM_RES("watchdog",GPON_WDT_BASE,GPON_WDT_END);
+}
--- /dev/null
+++ b/arch/mips/lantiq/falcon/devices.h
-@@ -0,0 +1,21 @@
+@@ -0,0 +1,22 @@
+#ifndef _FALCON_DEVICES_H__
+#define _FALCON_DEVICES_H__
+
+extern void __init falcon_register_spi_flash(struct spi_board_info *data);
+extern void __init falcon_register_gpio(void);
+extern void __init falcon_register_nor(struct physmap_flash_data *data);
++extern void __init falcon_register_nand(void);
+extern void __init falcon_register_wdt(void);
+extern void __init falcon_register_crypto(void);
+
+}
--- /dev/null
+++ b/arch/mips/lantiq/falcon/sysctrl.c
-@@ -0,0 +1,381 @@
+@@ -0,0 +1,380 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ /* clock already active, no need to change here */
+ return;
+
-+ if (status_r32(config) == 0)
-+ aeFreq = 1; /* use 625MHz on unfused chip */
-+ else
-+ aeFreq = (status_r32(config) & STATUS_CONFIG_GPEFREQ_MASK) >> STATUS_CONFIG_GPEFREQ_OFFSET;
++ aeFreq = (status_r32(config) & STATUS_CONFIG_GPEFREQ_MASK) >> STATUS_CONFIG_GPEFREQ_OFFSET;
++ if (aeFreq == 0)
++ aeFreq = 1; /* use 625MHz on invalid value 0 */
+ rd_data = sys1_r32(infrac);
+ /* clear gpe-fsel and enable bits */
+ rd_data_to_keep = rd_data & ~(7<<(INFRAC_GP_OFFSET+1));
+#endif
--- /dev/null
+++ b/arch/mips/lantiq/falcon/reset.c
-@@ -0,0 +1,80 @@
+@@ -0,0 +1,65 @@
+/*
+ * 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
+
+static struct gpon_reg_sys1 * const pSYS1 = (struct gpon_reg_sys1 *)GPON_SYS1_BASE;
+
-+#define WDT_PW1 0x00BE0000
-+#define WDT_PW2 0x00DC0000
-+#define WDT_REG_BASE (KSEG1 | 0x1F8803F0)
-+
+/* This function is used by the watchdog driver */
+int ltq_reset_cause(void)
+{
+ printk(KERN_NOTICE "System restart\n");
+ local_irq_disable();
+ ltq_w32(0, (void*)0xBF200000); /* reset Bootreg RVEC */
-+#if 0
+ ltq_w32(RBT_CPU_TRIG, &pSYS1->rbt);
-+#else
-+ /* use workaround via watchdog timer */
-+ ltq_w32(WDT_PW1, (void*)WDT_REG_BASE);
-+ ltq_w32(WDT_PW2 |
-+ (0x3 << 26) | /* PWL */
-+ (0x2 << 24) | /* CLKDIV */
-+ (0x1 << 31) | /* enable */
-+ (1), /* reload */
-+ (void*)WDT_REG_BASE);
-+#endif
+ for(;;);
+}
+
+arch_initcall(mips_reboot_setup);
--- /dev/null
+++ b/arch/mips/lantiq/falcon/mach-easy98000.c
-@@ -0,0 +1,247 @@
+@@ -0,0 +1,263 @@
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+ }
+};
+
++extern int easy98000_addon_has_dm9000(void);
+static void __init register_davicom(void)
+{
++ if (!easy98000_addon_has_dm9000())
++ return;
++
+ if (!is_valid_ether_addr(ltq_ethaddr))
+ random_ether_addr(dm9000_plat_data.dev_addr);
+ else {
+ }
+};
+
-+void __init register_easy98000_cpld_led(void)
++void __init register_easy98000_cpld(void)
+{
+ platform_device_register_simple("easy98000_cpld_led", 0, NULL, 0);
++ platform_device_register_simple("easy98000_addon", 0, NULL, 0);
+}
+
+/* setup gpio based spi bus/device for access to the eeprom on the board */
+ register_davicom();
+ ltq_add_device_leds_gpio(-1, ARRAY_SIZE(easy98000_leds_gpio),
+ easy98000_leds_gpio);
-+ register_easy98000_cpld_led();
++ register_easy98000_cpld();
+ falcon_register_crypto();
+ easy98000_spi_gpio_init();
+}
+ falcon_register_spi_flash(&easy98000_spi_flash_data);
+}
+
++static void __init easy98000nand_init(void)
++{
++ easy98000_init_common();
++ falcon_register_nand();
++}
++
+MIPS_MACHINE(LANTIQ_MACH_EASY98000,
+ "EASY98000",
+ "EASY98000 Eval Board",
+ "EASY98000SF",
+ "EASY98000 Eval Board (Serial Flash)",
+ easy98000sf_init);
++
++MIPS_MACHINE(LANTIQ_MACH_EASY98000NAND,
++ "EASY98000NAND",
++ "EASY98000 Eval Board (NAND Flash)",
++ easy98000nand_init);
--- /dev/null
+++ b/arch/mips/lantiq/falcon/softdog_vpe.c
@@ -0,0 +1,109 @@
+#endif
--- a/arch/mips/lantiq/Kconfig
+++ b/arch/mips/lantiq/Kconfig
-@@ -16,8 +16,12 @@
+@@ -16,8 +16,12 @@ config SOC_XWAY
bool "XWAY"
select SOC_TYPE_XWAY
select HW_HAS_PCI
endif
--- a/arch/mips/lantiq/Makefile
+++ b/arch/mips/lantiq/Makefile
-@@ -9,3 +9,4 @@
+@@ -9,3 +9,4 @@ obj-y := irq.o setup.o clk.o prom.o devi
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_SOC_TYPE_XWAY) += xway/
+obj-$(CONFIG_SOC_FALCON) += falcon/
--- a/arch/mips/lantiq/Platform
+++ b/arch/mips/lantiq/Platform
-@@ -6,3 +6,4 @@
+@@ -6,3 +6,4 @@ platform-$(CONFIG_LANTIQ) += lantiq/
cflags-$(CONFIG_LANTIQ) += -I$(srctree)/arch/mips/include/asm/mach-lantiq
load-$(CONFIG_LANTIQ) = 0xffffffff80002000
cflags-$(CONFIG_SOC_TYPE_XWAY) += -I$(srctree)/arch/mips/include/asm/mach-lantiq/xway
+cflags-$(CONFIG_SOC_FALCON) += -I$(srctree)/arch/mips/include/asm/mach-lantiq/falcon
--- a/arch/mips/lantiq/machtypes.h
+++ b/arch/mips/lantiq/machtypes.h
-@@ -15,6 +15,11 @@
+@@ -15,6 +15,12 @@ enum lantiq_mach_type {
LTQ_MACH_GENERIC = 0,
LTQ_MACH_EASY50712, /* Danube evaluation board */
LTQ_MACH_EASY50601, /* Amazon SE evaluation board */
+ /* FALCON */
+ LANTIQ_MACH_EASY98000, /* Falcon Eval Board, NOR Flash */
+ LANTIQ_MACH_EASY98000SF, /* Falcon Eval Board, Serial Flash */
++ LANTIQ_MACH_EASY98000NAND, /* Falcon Eval Board, NAND Flash */
+ LANTIQ_MACH_EASY98020, /* Falcon Reference Board */
};
#endif
+--- /dev/null
++++ b/arch/mips/lantiq/falcon/addon-easy98000.c
+@@ -0,0 +1,212 @@
++/*
++ * EASY98000 CPLD Addon driver
++ *
++ * Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com>
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published
++ * by the Free Software Foundation.
++ *
++ */
++
++#include <linux/kernel.h>
++#include <linux/version.h>
++#include <linux/types.h>
++#include <linux/init.h>
++#include <linux/platform_device.h>
++#include <linux/errno.h>
++#include <linux/slab.h>
++#include <linux/proc_fs.h>
++#include <linux/seq_file.h>
++
++struct easy98000_reg_cpld {
++ u16 cmdreg1; /* 0x1 */
++ u16 cmdreg0; /* 0x0 */
++ u16 idreg0; /* 0x3 */
++ u16 resreg; /* 0x2 */
++ u16 intreg; /* 0x5 */
++ u16 idreg1; /* 0x4 */
++ u16 ledreg; /* 0x7 */
++ u16 pcmconconfig; /* 0x6 */
++ u16 res0; /* 0x9 */
++ u16 ethledreg; /* 0x8 */
++ u16 res1[4]; /* 0xa-0xd */
++ u16 cpld1v; /* 0xf */
++ u16 cpld2v; /* 0xe */
++};
++static struct easy98000_reg_cpld * const cpld =
++ (struct easy98000_reg_cpld *)(KSEG1 | 0x17c00000);
++#define cpld_r8(reg) (__raw_readw(&cpld->reg) & 0xFF)
++#define cpld_w8(val, reg) __raw_writew((val) & 0xFF, &cpld->reg)
++
++int easy98000_addon_has_dm9000(void)
++{
++ if ((cpld_r8(idreg0) & 0xF) == 1)
++ return 1;
++ return 0;
++}
++
++#if defined(CONFIG_PROC_FS)
++typedef void (*cpld_dump) (struct seq_file *s);
++struct proc_entry {
++ char *name;
++ void *callback;
++};
++
++static int cpld_proc_show ( struct seq_file *s, void *p )
++{
++ cpld_dump dump = s->private;
++
++ if ( dump != NULL )
++ dump(s);
++
++ return 0;
++}
++
++static int cpld_proc_open ( struct inode *inode, struct file *file )
++{
++ return single_open ( file, cpld_proc_show, PDE(inode)->data );
++}
++
++static void cpld_versions_get ( struct seq_file *s )
++{
++ seq_printf(s, "CPLD1: V%d\n", cpld_r8(cpld1v));
++ seq_printf(s, "CPLD2: V%d\n", cpld_r8(cpld2v));
++}
++
++static void cpld_ebu_module_get ( struct seq_file *s )
++{
++ u8 addon_id;
++
++ addon_id = cpld_r8(idreg0) & 0xF;
++ switch (addon_id) {
++ case 0xF: /* nothing connected */
++ break;
++ case 1:
++ seq_printf(s, "Ethernet Controller module (dm9000)\n");
++ break;
++ default:
++ seq_printf(s, "Unknown EBU module (EBU_ID=0x%02X)\n", addon_id);
++ break;
++ }
++}
++
++static void cpld_xmii_module_get ( struct seq_file *s )
++{
++ u8 addon_id;
++ char *mod = NULL;
++
++ addon_id = cpld_r8(idreg1) & 0xF;
++ switch (addon_id) {
++ case 0xF:
++ mod = "no module";
++ break;
++ case 0x1:
++ mod = "RGMII module";
++ break;
++ case 0x4:
++ mod = "GMII MAC Mode (XWAY TANTOS-3G)";
++ break;
++ case 0x6:
++ mod = "TMII MAC Mode (XWAY TANTOS-3G)";
++ break;
++ case 0x8:
++ mod = "GMII PHY module";
++ break;
++ case 0x9:
++ mod = "MII PHY module";
++ break;
++ case 0xA:
++ mod = "RMII PHY module";
++ break;
++ default:
++ break;
++ }
++ if (mod)
++ seq_printf(s, "%s\n", mod);
++ else
++ seq_printf(s, "unknown xMII module (xMII_ID=0x%02X)\n", addon_id);
++}
++
++static struct proc_entry proc_entries[] = {
++ {"versions", cpld_versions_get},
++ {"ebu", cpld_ebu_module_get},
++ {"xmii", cpld_xmii_module_get},
++};
++
++static struct file_operations ops = {
++ .owner = THIS_MODULE,
++ .open = cpld_proc_open,
++ .read = seq_read,
++ .llseek = seq_lseek,
++ .release = single_release,
++};
++
++static void cpld_proc_entry_create(struct proc_dir_entry *parent_node,
++ struct proc_entry *proc_entry)
++{
++ proc_create_data ( proc_entry->name, (S_IFREG | S_IRUGO), parent_node,
++ &ops, proc_entry->callback);
++}
++
++static int cpld_proc_install(void)
++{
++ struct proc_dir_entry *driver_proc_node;
++
++ driver_proc_node = proc_mkdir("cpld", NULL);
++ if (driver_proc_node != NULL) {
++ int i;
++ for (i = 0; i < ARRAY_SIZE(proc_entries); i++)
++ cpld_proc_entry_create(driver_proc_node,
++ &proc_entries[i]);
++ } else {
++ printk("cannot create proc entry");
++ return -1;
++ }
++ return 0;
++}
++#else
++static inline int cpld_proc_install(void) {}
++#endif
++
++static int easy98000_addon_probe(struct platform_device *pdev)
++{
++ return cpld_proc_install();
++}
++
++static int easy98000_addon_remove(struct platform_device *pdev)
++{
++#if defined(CONFIG_PROC_FS)
++ char buf[64];
++ int i;
++
++ for (i = 0; i < sizeof(proc_entries) / sizeof(proc_entries[0]); i++) {
++ sprintf(buf, "cpld/%s", proc_entries[i].name);
++ remove_proc_entry(buf, 0);
++ }
++ remove_proc_entry("cpld", 0);
++#endif
++ return 0;
++}
++
++static struct platform_driver easy98000_addon_driver = {
++ .probe = easy98000_addon_probe,
++ .remove = __devexit_p(easy98000_addon_remove),
++ .driver = {
++ .name = "easy98000_addon",
++ .owner = THIS_MODULE,
++ },
++};
++
++int __init easy98000_addon_init(void)
++{
++ return platform_driver_register(&easy98000_addon_driver);
++}
++
++void __exit easy98000_addon_exit(void)
++{
++ platform_driver_unregister(&easy98000_addon_driver);
++}
++
++module_init(easy98000_addon_init);
++module_exit(easy98000_addon_exit);
projects / openwrt.git / blobdiff