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Commit 0788150e authored by Aurelien Jarno's avatar Aurelien Jarno Committed by Ralf Baechle
Browse files

[MIPS] WGT634U: Register MTD as platform device.

parent e8248d6f
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+66 −3
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@
#include <linux/platform_device.h>
#include <linux/module.h>
#include <linux/leds.h>
#include <linux/mtd/physmap.h>
#include <linux/ssb/ssb.h>
#include <asm/mach-bcm47xx/bcm47xx.h>

@@ -43,6 +44,61 @@ static struct platform_device wgt634u_gpio_leds = {
	}
};


/* 8MiB flash. The struct mtd_partition matches original Netgear WGT634U
   firmware. */
static struct mtd_partition wgt634u_partitions[] = {
	{
		.name       = "cfe",
		.offset     = 0,
		.size       = 0x60000,		/* 384k */
		.mask_flags = MTD_WRITEABLE 	/* force read-only */
	},
	{
		.name   = "config",
		.offset = 0x60000,
		.size   = 0x20000		/* 128k */
	},
	{
		.name   = "linux",
		.offset = 0x80000,
		.size   = 0x140000 		/* 1280k */
	},
	{
		.name   = "jffs",
		.offset = 0x1c0000,
		.size   = 0x620000 		/* 6272k */
	},
	{
		.name   = "nvram",
		.offset = 0x7e0000,
		.size   = 0x20000		/* 128k */
	},
};

static struct physmap_flash_data wgt634u_flash_data = {
	.parts    = wgt634u_partitions,
	.nr_parts = ARRAY_SIZE(wgt634u_partitions)
};

static struct resource wgt634u_flash_resource = {
	.flags = IORESOURCE_MEM,
};

static struct platform_device wgt634u_flash = {
	.name          = "physmap-flash",
	.id            = 0,
	.dev           = { .platform_data = &wgt634u_flash_data, },
	.resource      = &wgt634u_flash_resource,
	.num_resources = 1,
};

/* Platform devices */
static struct platform_device *wgt634u_devices[] __initdata = {
	&wgt634u_flash,
	&wgt634u_gpio_leds,
};

static int __init wgt634u_init(void)
{
	/* There is no easy way to detect that we are running on a WGT634U
@@ -54,9 +110,16 @@ static int __init wgt634u_init(void)

	if (et0mac[0] == 0x00 &&
	    ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) ||
	     (et0mac[1] == 0x0f && et0mac[2] == 0xb5)))
		return platform_device_register(&wgt634u_gpio_leds);
	else
	     (et0mac[1] == 0x0f && et0mac[2] == 0xb5))) {
		struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore;
		wgt634u_flash_data.width = mcore->flash_buswidth;
		wgt634u_flash_resource.start = mcore->flash_window;
		wgt634u_flash_resource.end = mcore->flash_window
					   + mcore->flash_window_size
					   - 1;
		return platform_add_devices(wgt634u_devices,
					    ARRAY_SIZE(wgt634u_devices));
	} else
		return -ENODEV;
}