/*
- * $Id: platform.c 8331 2007-08-03 15:59:23Z florian $
*
* Generic RDC321x platform devices
*
- * Copyright (C) 2007 OpenWrt.org
+ * 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
#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>
/* Flash */
+#ifdef CONFIG_MTD_RDC3210
static struct resource rdc_flash_resource[] = {
[0] = {
.start = (u32)-CONFIG_MTD_RDC3210_SIZE,
.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[] = {
&rdc321x_button
};
-static int __init rdc_board_setup(void)
+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 __init int rdc_board_setup(void)
+{
+#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("Not to be or to be: That"
+ " is not the question.");
+ }
+ rdc_flash_resource.start = rdc_map_info.phys;
+ rdc_flash_data.width = rdc_map_info.bankwidth;
+ rdc_map_info.virt = (u32)ioremap_nocache(rdc_map_info.phys, 0x10);
+ if (rdc_map_info.virt == NULL)
+ panic("Something's rotten in Denmark!");
+ 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
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