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- --- a/arch/mips/sibyte/swarm/platform.c
- +++ b/arch/mips/sibyte/swarm/platform.c
- @@ -5,6 +5,7 @@
- #include <linux/platform_device.h>
- #include <linux/ata_platform.h>
-
- +#include <asm/addrspace.h>
- #include <asm/sibyte/board.h>
- #include <asm/sibyte/sb1250_genbus.h>
- #include <asm/sibyte/sb1250_regs.h>
- @@ -137,3 +138,71 @@ static int __init sb1250_device_init(voi
- return ret;
- }
- device_initcall(sb1250_device_init);
- +
- +#ifdef CONFIG_SIBYTE_RHONE
- +
- +#include <linux/mtd/partitions.h>
- +#include <linux/mtd/physmap.h>
- +
- +/* The board has 16MB flash but CFE sets up only 2MB */
- +#define PHYS_TO_K1(a) CKSEG1ADDR(a)
- +#define BOOTROM_SIZE 0x100
- +
- +static void fixup_cs0_size(void)
- +{
- + SBWRITECSR(((A_IO_EXT_CS_BASE(0)) + R_IO_EXT_MULT_SIZE), BOOTROM_SIZE);
- +}
- +
- +static struct mtd_partition flash_parts[] = {
- + {
- + .name = "cfe",
- + .offset = 0x00000000,
- + .size = 0x00200000,
- + .mask_flags = MTD_WRITEABLE,
- + },
- + {
- + .name = "os",
- + .offset = 0x00200000,
- + .size = 0x00d00000,
- + },
- + {
- + .name = "environment",
- + .offset = 0x00f00000,
- + .size = 0x00100000,
- + .mask_flags = MTD_WRITEABLE,
- + },
- +};
- +
- +static struct physmap_flash_data flash_data = {
- + .width = 1,
- + .nr_parts = ARRAY_SIZE(flash_parts),
- + .parts = flash_parts,
- +};
- +
- +static struct resource flash_resource = {
- + .start = 0x1fc00000,
- + .end = 0x20bfffff,
- + .flags = IORESOURCE_MEM,
- +};
- +
- +static struct platform_device flash_device = {
- + .name = "physmap-flash",
- + .id = 0,
- + .resource = &flash_resource,
- + .num_resources = 1,
- + .dev = {
- + .platform_data = &flash_data,
- + },
- +};
- +
- +static int __init flash_setup(void)
- +{
- + fixup_cs0_size();
- + platform_device_register(&flash_device);
- +
- + return 0;
- +};
- +
- +device_initcall(flash_setup);
- +
- +#endif /* CONFIG_SIBYTE_RHONE */
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