[rdc] 2.6.28: add ZyXEL and Amit flashmapping and start fixing up GPIO support. Thanks Daniel Gimpelevich

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18254 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 308 insertions, 11 deletions

diff --git a/target/linux/rdc/patches-2.6.28/002-platform_support.patch b/target/linux/rdc/patches-2.6.28/002-platform_support.patch
new file mode 100644
index 000000000..e42052ecb
--- /dev/null
+++ b/target/linux/rdc/patches-2.6.28/002-platform_support.patch
@@ -0,0 +1,308 @@
+Index: linux-2.6.28.10/arch/x86/mach-rdc321x/gpio.c
+===================================================================
+--- linux-2.6.28.10.orig/arch/x86/mach-rdc321x/gpio.c	2009-05-02 11:54:43.000000000 -0700
++++ linux-2.6.28.10/arch/x86/mach-rdc321x/gpio.c	2009-10-30 22:24:23.779705091 -0700
+@@ -26,7 +26,7 @@
+ #include <linux/types.h>
+ #include <linux/module.h>
+ 
+-#include <asm/gpio.h>
++#include <asm/mach-rdc321x/gpio.h>
+ #include <asm/mach-rdc321x/rdc321x_defs.h>
+ 
+ 
+@@ -74,8 +74,8 @@
+ }
+ 
+ /* initially setup the 2 copies of the gpio data registers.
+-   This function must be called by the platform setup code. */
+-void __init rdc321x_gpio_setup()
++   This function is called before the platform setup code. */
++static int __init rdc321x_gpio_setup(void)
+ {
+ 	/* this might not be, what others (BIOS, bootloader, etc.)
+ 	   wrote to these registers before, but it's a good guess. Still
+@@ -83,6 +83,8 @@
+ 
+ 	gpio_data_reg1 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG1);
+ 	gpio_data_reg2 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG2);
++
++	return 0;
+ }
+ 
+ /* determine, if gpio number is valid */
+@@ -192,3 +194,5 @@
+ 	return 0;
+ }
+ EXPORT_SYMBOL(rdc_gpio_direction_output);
++
++arch_initcall(rdc321x_gpio_setup);
+Index: linux-2.6.28.10/arch/x86/mach-rdc321x/platform.c
+===================================================================
+--- linux-2.6.28.10.orig/arch/x86/mach-rdc321x/platform.c	2009-05-02 11:54:43.000000000 -0700
++++ linux-2.6.28.10/arch/x86/mach-rdc321x/platform.c	2009-10-30 22:37:01.595670310 -0700
+@@ -1,7 +1,9 @@
+ /*
+  *  Generic RDC321x platform devices
+  *
++ *  Copyright (C) 2007-2008 OpenWrt.org
+  *  Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
++ *  Copyright (C) 2008 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
+  *
+  *  This program is free software; you can redistribute it and/or
+  *  modify it under the terms of the GNU General Public License
+@@ -25,13 +27,59 @@
+ #include <linux/list.h>
+ #include <linux/device.h>
+ #include <linux/platform_device.h>
++#include <linux/version.h>
+ #include <linux/leds.h>
++#include <linux/gpio_keys.h>
++#include <linux/input.h>
++#include <linux/mtd/map.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/physmap.h>
++#include <linux/root_dev.h>
+ 
+-#include <asm/gpio.h>
++#include <asm/mach-rdc321x/gpio.h>
++
++/* Flash */
++#ifdef CONFIG_MTD_R8610
++#define CONFIG_MTD_RDC3210 1
++#elif defined CONFIG_MTD_RDC3210
++static struct resource rdc_flash_resource[] = {
++	[0] = {
++		.start = (u32)-CONFIG_MTD_RDC3210_SIZE,
++		.end = (u32)-1,
++		.flags = IORESOURCE_MEM,
++	},
++};
++
++static struct platform_device rdc_flash_device = {
++	.name = "rdc321x-flash",
++	.id = -1,
++	.num_resources = ARRAY_SIZE(rdc_flash_resource),
++	.resource = rdc_flash_resource,
++};
++#else
++static struct mtd_partition rdc_flash_parts[15];
++
++static struct resource rdc_flash_resource = {
++	.end = (u32)-1,
++	.flags = IORESOURCE_MEM,
++};
++
++static struct physmap_flash_data rdc_flash_data = {
++	.parts = rdc_flash_parts,
++};
++
++static struct platform_device rdc_flash_device = {
++	.name = "physmap-flash",
++	.id = -1,
++	.resource = &rdc_flash_resource,
++	.num_resources = 1,
++	.dev.platform_data = &rdc_flash_data,
++};
++#endif
+ 
+ /* LEDS */
+ static struct gpio_led default_leds[] = {
+-	{ .name = "rdc:dmz", .gpio = 1, },
++	{ .name = "rdc321x:dmz", .gpio = 1, },
+ };
+ 
+ static struct gpio_led_platform_data rdc321x_led_data = {
+@@ -54,16 +102,163 @@
+ 	.num_resources = 0,
+ };
+ 
++/* Button */
++static struct gpio_keys_button rdc321x_gpio_btn[] = {
++	{
++		.gpio = 0,
++		.code = BTN_0,
++		.desc = "Reset",
++		.active_low = 1,
++	}
++};
++
++static struct gpio_keys_platform_data rdc321x_gpio_btn_data = {
++	.buttons = rdc321x_gpio_btn,
++	.nbuttons = ARRAY_SIZE(rdc321x_gpio_btn),
++};
++
++static struct platform_device rdc321x_button = {
++	.name = "gpio-keys",
++	.id = -1,
++	.dev = {
++		.platform_data = &rdc321x_gpio_btn_data,
++	}
++};
++
+ static struct platform_device *rdc321x_devs[] = {
++	&rdc_flash_device,
+ 	&rdc321x_leds,
+-	&rdc321x_wdt
++	&rdc321x_wdt,
++	&rdc321x_button,
+ };
+ 
++static int probe_flash_start(struct map_info *the_map)
++{
++	struct mtd_info *res;
++
++	the_map->virt = ioremap(the_map->phys, the_map->size);
++	if (the_map->virt == NULL)
++		return 1;
++	for (the_map->bankwidth = 32; the_map->bankwidth; the_map->bankwidth
++			>>= 1) {
++		res = do_map_probe("cfi_probe", the_map);
++		if (res == NULL)
++			res = do_map_probe("jedec_probe", the_map);
++		if (res != NULL)
++			break;
++	}
++	iounmap(the_map->virt);
++	if (res != NULL)
++		the_map->phys = (u32)-(s32)(the_map->size = res->size);
++	return res == NULL;
++}
++
+ static int __init rdc_board_setup(void)
+ {
+-	rdc321x_gpio_setup();
++#ifndef CONFIG_MTD_RDC3210
++	struct map_info rdc_map_info;
++	u32 the_header[4];
+ 
++	ROOT_DEV = 0;
++	rdc_map_info.name = rdc_flash_device.name;
++	rdc_map_info.phys = 0xff000000;
++	rdc_map_info.size = 0x1000000;
++	rdc_map_info.bankwidth = 2;
++	rdc_map_info.set_vpp = NULL;
++	simple_map_init(&rdc_map_info);
++	while (probe_flash_start(&rdc_map_info)) {
++		rdc_map_info.phys++;
++		if (--rdc_map_info.size)
++			panic("Could not find start of flash!");
++	}
++	rdc_flash_resource.start = rdc_map_info.phys;
++	rdc_flash_data.width = rdc_map_info.bankwidth;
++	rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys, 0x10);
++	if (rdc_map_info.virt == NULL)
++		panic("Could not ioremap to read device magic!");
++	the_header[0] = ((u32 *)rdc_map_info.virt)[0];
++	the_header[1] = ((u32 *)rdc_map_info.virt)[1];
++	the_header[2] = ((u32 *)rdc_map_info.virt)[2];
++	the_header[3] = ((u32 *)rdc_map_info.virt)[3];
++	iounmap(rdc_map_info.virt);
++	if (!memcmp(the_header, "GMTK", 4)) {	/* Gemtek */
++		/* TODO */
++	} else if (!memcmp(the_header, "CSYS", 4)) {	/* Sitecom */
++		/* TODO */
++	} else if (!memcmp(((u8 *)the_header) + 14, "Li", 2)) {	/* AMIT */
++		rdc_flash_parts[0].name = "kernel_parthdr";
++		rdc_flash_parts[0].offset = 0;
++		rdc_flash_parts[0].size = 0x10;
++		rdc_flash_parts[1].name = "kernel";
++		rdc_flash_parts[1].offset = 0x10;
++		rdc_flash_parts[1].size = 0xffff0;
++		rdc_flash_parts[2].name = "rootfs_parthdr";
++		rdc_flash_parts[2].offset = 0x100000;
++		rdc_flash_parts[2].size = 0x10;
++		rdc_flash_parts[3].name = "rootfs";
++		rdc_flash_parts[3].offset = 0x100010;
++		rdc_flash_parts[3].size = rdc_map_info.size - 0x160010;
++		rdc_flash_parts[4].name = "config_parthdr";
++		rdc_flash_parts[4].offset = rdc_map_info.size - 0x60000;
++		rdc_flash_parts[4].size = 0x10;
++		rdc_flash_parts[5].name = "config";
++		rdc_flash_parts[5].offset = rdc_map_info.size - 0x5fff0;
++		rdc_flash_parts[5].size = 0xfff0;
++		rdc_flash_parts[6].name = "recoveryfs_parthdr";
++		rdc_flash_parts[6].offset = rdc_map_info.size - 0x50000;
++		rdc_flash_parts[6].size = 0x10;
++		rdc_flash_parts[7].name = "recoveryfs";
++		rdc_flash_parts[7].offset = rdc_map_info.size - 0x4fff0;
++		rdc_flash_parts[7].size = 0x3fff0;
++		rdc_flash_parts[8].name = "recovery_parthdr";
++		rdc_flash_parts[8].offset = rdc_map_info.size - 0x10000;
++		rdc_flash_parts[8].size = 0x10;
++		rdc_flash_parts[9].name = "recovery";
++		rdc_flash_parts[9].offset = rdc_map_info.size - 0xfff0;
++		rdc_flash_parts[9].size = 0x7ff0;
++		rdc_flash_parts[10].name = "productinfo_parthdr";
++		rdc_flash_parts[10].offset = rdc_map_info.size - 0x8000;
++		rdc_flash_parts[10].size = 0x10;
++		rdc_flash_parts[11].name = "productinfo";
++		rdc_flash_parts[11].offset = rdc_map_info.size - 0x7ff0;
++		rdc_flash_parts[11].size = 0x1ff0;
++		rdc_flash_parts[12].name = "bootloader_parthdr";
++		rdc_flash_parts[12].offset = rdc_map_info.size - 0x6000;
++		rdc_flash_parts[12].size = 0x10;
++		rdc_flash_parts[13].name = "bootloader";
++		rdc_flash_parts[13].offset = rdc_map_info.size - 0x5ff0;
++		rdc_flash_parts[13].size = 0x5ff0;
++		rdc_flash_parts[14].name = "everything";
++		rdc_flash_parts[14].offset = 0;
++		rdc_flash_parts[14].size = rdc_map_info.size;
++		rdc_flash_data.nr_parts = 15;
++	} else {	/* ZyXEL */
++		rdc_flash_parts[0].name = "kernel";
++		rdc_flash_parts[0].offset = 0;
++		rdc_flash_parts[0].size = 0x100000;
++		rdc_flash_parts[1].name = "rootfs";
++		rdc_flash_parts[1].offset = 0x100000;
++		rdc_flash_parts[1].size = rdc_map_info.size - 0x140000;
++		rdc_flash_parts[2].name = "linux";
++		rdc_flash_parts[2].offset = 0;
++		rdc_flash_parts[2].size = rdc_map_info.size - 0x40000;
++		rdc_flash_parts[3].name = "config";
++		rdc_flash_parts[3].offset = rdc_map_info.size - 0x40000;
++		rdc_flash_parts[3].size = 0x10000;
++		rdc_flash_parts[4].name = "productinfo";
++		rdc_flash_parts[4].offset = rdc_map_info.size - 0x30000;
++		rdc_flash_parts[4].size = 0x10000;
++		rdc_flash_parts[5].name = "bootloader";
++		rdc_flash_parts[5].offset = rdc_map_info.size - 0x20000;
++		rdc_flash_parts[5].size = 0x20000;
++		rdc_flash_data.nr_parts = 6;
++	}
++#endif
+ 	return platform_add_devices(rdc321x_devs, ARRAY_SIZE(rdc321x_devs));
+ }
+ 
++#ifdef CONFIG_MTD_RDC3210
+ arch_initcall(rdc_board_setup);
++#else
++late_initcall(rdc_board_setup);
++#endif
+Index: linux-2.6.28.10/arch/x86/Makefile
+===================================================================
+--- linux-2.6.28.10.orig/arch/x86/Makefile	2009-05-02 11:54:43.000000000 -0700
++++ linux-2.6.28.10/arch/x86/Makefile	2009-10-30 22:04:55.444672426 -0700
+@@ -113,6 +113,10 @@
+ mflags-$(CONFIG_X86_VOYAGER)	:= -Iarch/x86/include/asm/mach-voyager
+ mcore-$(CONFIG_X86_VOYAGER)	:= arch/x86/mach-voyager/
+ 
++# RDC subarch support
++mflags-$(CONFIG_X86_RDC321X)	:= -Iarch/x86/include/asm/mach-rdc321x
++mcore-$(CONFIG_X86_RDC321X)	+= arch/x86/mach-rdc321x/
++
+ # generic subarchitecture
+ mflags-$(CONFIG_X86_GENERICARCH):= -Iarch/x86/include/asm/mach-generic
+ fcore-$(CONFIG_X86_GENERICARCH)	+= arch/x86/mach-generic/
+Index: linux-2.6.28.10/arch/x86/include/asm/mach-rdc321x/gpio.h
+===================================================================
+--- linux-2.6.28.10.orig/arch/x86/include/asm/mach-rdc321x/gpio.h	2009-10-30 22:31:04.680702348 -0700
++++ linux-2.6.28.10/arch/x86/include/asm/mach-rdc321x/gpio.h	2009-10-30 22:34:24.024670851 -0700
+@@ -9,7 +9,6 @@
+ extern int rdc_gpio_direction_output(unsigned gpio, int value);
+ extern int rdc_gpio_request(unsigned gpio, const char *label);
+ extern void rdc_gpio_free(unsigned gpio);
+-extern void __init rdc321x_gpio_setup(void);
+ 
+ /* Wrappers for the arch-neutral GPIO API */
+ 
diff --git a/target/linux/rdc/patches-2.6.28/003-rootfstype.patch b/target/linux/rdc/patches-2.6.28/003-rootfstype.patch
index 386e63897..e69de29bb 100644
--- a/target/linux/rdc/patches-2.6.28/003-rootfstype.patch
+++ b/target/linux/rdc/patches-2.6.28/003-rootfstype.patch
@@ -1,11 +0,0 @@
---- a/init/do_mounts.c
-+++ b/init/do_mounts.c
-@@ -189,6 +189,8 @@ static void __init get_fs_names(char *pa
- {
- 	char *s = page;
- 
-+	if (!root_fs_names)
-+		root_fs_names = "squashfs,jffs2";
- 	if (root_fs_names) {
- 		strcpy(page, root_fs_names);
- 		while (*s++) {