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

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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 */
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