| 1 | --- a/arch/mips/sibyte/swarm/platform.c |
| 2 | +++ b/arch/mips/sibyte/swarm/platform.c |
| 3 | @@ -5,6 +5,7 @@ |
| 4 | #include <linux/platform_device.h> |
| 5 | #include <linux/ata_platform.h> |
| 6 | |
| 7 | +#include <asm/addrspace.h> |
| 8 | #include <asm/sibyte/board.h> |
| 9 | #include <asm/sibyte/sb1250_genbus.h> |
| 10 | #include <asm/sibyte/sb1250_regs.h> |
| 11 | @@ -137,3 +138,71 @@ static int __init sb1250_device_init(voi |
| 12 | return ret; |
| 13 | } |
| 14 | device_initcall(sb1250_device_init); |
| 15 | + |
| 16 | +#ifdef CONFIG_SIBYTE_RHONE |
| 17 | + |
| 18 | +#include <linux/mtd/partitions.h> |
| 19 | +#include <linux/mtd/physmap.h> |
| 20 | + |
| 21 | +/* The board has 16MB flash but CFE sets up only 2MB */ |
| 22 | +#define PHYS_TO_K1(a) CKSEG1ADDR(a) |
| 23 | +#define BOOTROM_SIZE 0x100 |
| 24 | + |
| 25 | +static void fixup_cs0_size(void) |
| 26 | +{ |
| 27 | + SBWRITECSR(((A_IO_EXT_CS_BASE(0)) + R_IO_EXT_MULT_SIZE), BOOTROM_SIZE); |
| 28 | +} |
| 29 | + |
| 30 | +static struct mtd_partition flash_parts[] = { |
| 31 | + { |
| 32 | + .name = "cfe", |
| 33 | + .offset = 0x00000000, |
| 34 | + .size = 0x00200000, |
| 35 | + .mask_flags = MTD_WRITEABLE, |
| 36 | + }, |
| 37 | + { |
| 38 | + .name = "os", |
| 39 | + .offset = 0x00200000, |
| 40 | + .size = 0x00d00000, |
| 41 | + }, |
| 42 | + { |
| 43 | + .name = "environment", |
| 44 | + .offset = 0x00f00000, |
| 45 | + .size = 0x00100000, |
| 46 | + .mask_flags = MTD_WRITEABLE, |
| 47 | + }, |
| 48 | +}; |
| 49 | + |
| 50 | +static struct physmap_flash_data flash_data = { |
| 51 | + .width = 1, |
| 52 | + .nr_parts = ARRAY_SIZE(flash_parts), |
| 53 | + .parts = flash_parts, |
| 54 | +}; |
| 55 | + |
| 56 | +static struct resource flash_resource = { |
| 57 | + .start = 0x1fc00000, |
| 58 | + .end = 0x20bfffff, |
| 59 | + .flags = IORESOURCE_MEM, |
| 60 | +}; |
| 61 | + |
| 62 | +static struct platform_device flash_device = { |
| 63 | + .name = "physmap-flash", |
| 64 | + .id = 0, |
| 65 | + .resource = &flash_resource, |
| 66 | + .num_resources = 1, |
| 67 | + .dev = { |
| 68 | + .platform_data = &flash_data, |
| 69 | + }, |
| 70 | +}; |
| 71 | + |
| 72 | +static int __init flash_setup(void) |
| 73 | +{ |
| 74 | + fixup_cs0_size(); |
| 75 | + platform_device_register(&flash_device); |
| 76 | + |
| 77 | + return 0; |
| 78 | +}; |
| 79 | + |
| 80 | +device_initcall(flash_setup); |
| 81 | + |
| 82 | +#endif /* CONFIG_SIBYTE_RHONE */ |
| 83 | |
