diff options
Diffstat (limited to 'include/asm-arm/arch-ixp4xx/platform.h')
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/platform.h | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/include/asm-arm/arch-ixp4xx/platform.h b/include/asm-arm/arch-ixp4xx/platform.h index 6b77ed26be7..daf9790645c 100644 --- a/include/asm-arm/arch-ixp4xx/platform.h +++ b/include/asm-arm/arch-ixp4xx/platform.h @@ -26,16 +26,17 @@ */ #define IXP4XX_EXP_BUS_BASE_PHYS (0x50000000) -#define IXP4XX_EXP_BUS_CSX_REGION_SIZE (0x01000000) - -#define IXP4XX_EXP_BUS_CS0_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x00000000) -#define IXP4XX_EXP_BUS_CS1_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x01000000) -#define IXP4XX_EXP_BUS_CS2_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x02000000) -#define IXP4XX_EXP_BUS_CS3_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x03000000) -#define IXP4XX_EXP_BUS_CS4_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x04000000) -#define IXP4XX_EXP_BUS_CS5_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x05000000) -#define IXP4XX_EXP_BUS_CS6_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x06000000) -#define IXP4XX_EXP_BUS_CS7_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x07000000) +/* + * The expansion bus on the IXP4xx can be configured for either 16 or + * 32MB windows and the CS offset for each region changes based on the + * current configuration. This means that we cannot simply hardcode + * each offset. ixp4xx_sys_init() looks at the expansion bus configuration + * as setup by the bootloader to determine our window size. + */ +extern unsigned long ixp4xx_exp_bus_size; + +#define IXP4XX_EXP_BUS_BASE(region)\ + (IXP4XX_EXP_BUS_BASE_PHYS + ((region) * ixp4xx_exp_bus_size)) #define IXP4XX_FLASH_WRITABLE (0x2) #define IXP4XX_FLASH_DEFAULT (0xbcd23c40) |