openwrt-xburst/target/linux/rdc/patches-2.6.28/002-platform_support.patch

Index: linux-2.6.28.10/arch/x86/mach-rdc321x/gpio.c
===================================================================
--- linux-2.6.28.10.orig/arch/x86/mach-rdc321x/gpio.c	2009-11-03 21:01:29.800401126 -0800
+++ linux-2.6.28.10/arch/x86/mach-rdc321x/gpio.c	2009-11-03 21:01:32.164401226 -0800
@@ -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	2009-11-03 21:01:29.836402559 -0800
+++ linux-2.6.28.10/arch/x86/mach-rdc321x/platform.c	2009-11-03 21:13:27.212398945 -0800
@@ -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 +102,189 @@
 	.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[8];
 
+	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);
+	rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys + 0x8000, 0x10);
+	if (rdc_map_info.virt == NULL)
+		panic("Could not ioremap to read device magic!");
+	the_header[4] = ((u32 *)rdc_map_info.virt)[0];
+	the_header[5] = ((u32 *)rdc_map_info.virt)[1];
+	the_header[6] = ((u32 *)rdc_map_info.virt)[2];
+	the_header[7] = ((u32 *)rdc_map_info.virt)[3];
+	iounmap(rdc_map_info.virt);
+	if (!memcmp(the_header, "GMTK", 4)) {	/* Gemtek */
+		/* TODO */
+	} else if (!memcmp(the_header + 4, "CSYS", 4)) {	/* Sitecom */
+		rdc_flash_parts[0].name = "system";
+		rdc_flash_parts[0].offset = 0;
+		rdc_flash_parts[0].size = rdc_map_info.size - 0x10000;
+		rdc_flash_parts[1].name = "config";
+		rdc_flash_parts[1].offset = 0;
+		rdc_flash_parts[1].size = 0x8000;
+		rdc_flash_parts[2].name = "magic";
+		rdc_flash_parts[2].offset = 0x8000;
+		rdc_flash_parts[2].size = 0x14;
+		rdc_flash_parts[3].name = "kernel";
+		rdc_flash_parts[3].offset = 0x8014;
+		rdc_flash_parts[3].size = the_header[5];
+		rdc_flash_parts[4].name = "rootfs";
+		rdc_flash_parts[4].offset = 0x8014 + the_header[5];
+		rdc_flash_parts[4].size = rdc_flash_parts[0].size - rdc_flash_parts[4].offset;
+		rdc_flash_parts[5].name = "bootloader";
+		rdc_flash_parts[5].offset = rdc_flash_parts[0].size;
+		rdc_flash_parts[5].size = 0x10000;
+		rdc_flash_data.nr_parts = 6;
+	} 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	2009-11-03 21:01:29.756400281 -0800
+++ linux-2.6.28.10/arch/x86/Makefile	2009-11-03 21:01:32.164401226 -0800
@@ -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	2009-11-03 21:01:29.784401606 -0800
+++ linux-2.6.28.10/arch/x86/include/asm/mach-rdc321x/gpio.h	2009-11-03 21:01:32.164401226 -0800
@@ -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 */