[rdc] rework board detection

Rework board detection, separate board specific code into its own file. As a
result we also change the way rdc images are generated.
Support for board which required binary tools, like AMIT are dropped. Patch by
Bernhard Loos.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20294 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 58 insertions, 227 deletions

diff --git a/target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/platform.c b/target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/platform.c
index 3b3de774e..f655458bc 100644
--- a/target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/platform.c
+++ b/target/linux/rdc/files-2.6.30/arch/x86/mach-rdc321x/platform.c
@@ -23,267 +23,98 @@
  */
 
 #include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/device.h>
+//#include <linux/kernel.h>
+//#include <linux/list.h>
+//#include <linux/device.h>
 #include <linux/platform_device.h>
-#include <linux/version.h>
-#include <linux/leds.h>
-#include <linux/gpio_buttons.h>
-#include <linux/input.h>
+//#include <linux/version.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>
 
-/* 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,
-	},
-};
+#include <asm/rdc_boards.h>
 
-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
+static struct rdc_platform_data rdcplat_data;
 
 /* LEDS */
-static struct gpio_led default_leds[] = {
-	{ .name = "rdc321x:dmz", .gpio = 1, .active_low = 1},
-};
-
-static struct gpio_led sitecom_leds[] = {
-	{ .name = "rdc321x:power", .gpio = 15, .active_low = 1},
-	{ .name = "rdc321x:usb0", .gpio = 0, .active_low = 1},
-	{ .name = "rdc321x:usb1", .gpio = 1, .active_low = 1},
-};
-
-static struct gpio_led_platform_data rdc321x_led_data = {
-	.num_leds = ARRAY_SIZE(default_leds),
-	.leds = default_leds,
-};
-
 static struct platform_device rdc321x_leds = {
 	.name = "leds-gpio",
 	.id = -1,
 	.dev = {
-		.platform_data = &rdc321x_led_data,
+		.platform_data = &rdcplat_data.led_data,
 	}
 };
 
 /* Button */
-static struct gpio_button rdc321x_gpio_btn[] = {
-	{
-		.gpio = 6,
-		.code = BTN_0,
-		.desc = "Reset",
-		.active_low = 1,
-	}
-};
-
-static struct gpio_buttons_platform_data rdc321x_gpio_btn_data = {
-	.buttons = rdc321x_gpio_btn,
-	.nbuttons = ARRAY_SIZE(rdc321x_gpio_btn),
-};
-
-static struct platform_device rdc321x_button = {
+static struct platform_device rdc321x_buttons = {
 	.name = "gpio-buttons",
 	.id = -1,
 	.dev = {
-		.platform_data = &rdc321x_gpio_btn_data,
+		.platform_data = &rdcplat_data.button_data,
 	}
 };
-
-static struct platform_device *rdc321x_devs[] = {
-	&rdc_flash_device,
+	
+static __initdata struct platform_device *rdc321x_devs[] = {
 	&rdc321x_leds,
-	&rdc321x_button,
+	&rdc321x_buttons,
 };
 
-static int probe_flash_start(struct map_info *the_map)
-{
-	struct mtd_info *res;
+const char *__initdata boards[] = {
+	"Sitecom",
+	"AR525W",
+	"Bifferboard",
+	"R8610",
+	0
+};
 
-	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 struct map_info rdc_map_info = {
+	.name = "rdc_flash",
+	.size = 0x800000,	//8MB
+	.phys = 0xFF800000,	//(u32) -rdc_map_info.size;
+	.bankwidth = 2
+};
 
 static int __init rdc_board_setup(void)
 {
-#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.size = 0x800000;	//8MB
-	rdc_map_info.phys = (u32) -rdc_map_info.size;
-	rdc_map_info.bankwidth = 2;
-	rdc_map_info.set_vpp = NULL;
+	struct mtd_partition *partitions;
+	int count, res;
+	struct mtd_info *mtdinfo;
+	
 	simple_map_init(&rdc_map_info);
-	while (probe_flash_start(&rdc_map_info)) {
-		if (rdc_map_info.size /= 2 < 0x100000)	//1MB
-			panic("Could not find start of flash!");
+	
+	while (true) {
+		rdc_map_info.virt = ioremap(rdc_map_info.phys, rdc_map_info.size);
+		if (rdc_map_info.virt == NULL)
+			continue;
+		
+		mtdinfo = do_map_probe("cfi_probe", &rdc_map_info);
+		if (mtdinfo == NULL)
+			mtdinfo = do_map_probe("jedec_probe", &rdc_map_info);
+		if (mtdinfo != NULL)
+			break;
+
+		iounmap(rdc_map_info.virt);
+		if ((rdc_map_info.size >>= 1) < 0x100000)	//1MB
+			panic("RDC321x: Could not find start of flash!");
 		rdc_map_info.phys = (u32) -rdc_map_info.size;
 	}
-	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;
-
-		rdc321x_led_data.num_leds = ARRAY_SIZE(sitecom_leds);
-		rdc321x_led_data.leds = sitecom_leds;
-	} 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;
+	
+	count = parse_mtd_partitions(mtdinfo, boards, &partitions, (unsigned long) &rdcplat_data);
+	
+	if (count <= 0) {
+		panic("RDC321x: can't identify board type");
+		return -ENOSYS;
 	}
-#endif
+	
+	ROOT_DEV = 0;
+	res = add_mtd_partitions(mtdinfo, partitions, count);
+	if (res)
+		return res;
+	
 	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