diff options
Diffstat (limited to 'include/configs/kilauea.h')
| -rw-r--r-- | include/configs/kilauea.h | 88 |
1 files changed, 79 insertions, 9 deletions
diff --git a/include/configs/kilauea.h b/include/configs/kilauea.h index caf8b52..07f7eff 100644 --- a/include/configs/kilauea.h +++ b/include/configs/kilauea.h @@ -50,7 +50,7 @@ #define CFG_FPGA_BASE 0xF0000000 #define CFG_PERIPHERAL_BASE 0xEF600000 /* internal peripherals*/ #define CFG_MONITOR_LEN (384 * 1024) /* Reserve 384 kB for Monitor */ -#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */ +#define CFG_MALLOC_LEN (512 * 1024) /* Reserve 512 kB for malloc() */ #define CFG_MONITOR_BASE (TEXT_BASE) /*----------------------------------------------------------------------- @@ -117,6 +117,71 @@ #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) #endif /* CFG_ENV_IS_IN_FLASH */ +/* + * IPL (Initial Program Loader, integrated inside CPU) + * Will load first 4k from NAND (SPL) into cache and execute it from there. + * + * SPL (Secondary Program Loader) + * Will load special U-Boot version (NUB) from NAND and execute it. This SPL + * has to fit into 4kByte. It sets up the CPU and configures the SDRAM + * controller and the NAND controller so that the special U-Boot image can be + * loaded from NAND to SDRAM. + * + * NUB (NAND U-Boot) + * This NAND U-Boot (NUB) is a special U-Boot version which can be started + * from RAM. Therefore it mustn't (re-)configure the SDRAM controller. + * + * On 440EPx the SPL is copied to SDRAM before the NAND controller is + * set up. While still running from cache, I experienced problems accessing + * the NAND controller. sr - 2006-08-25 + */ +#define CFG_NAND_BOOT_SPL_SRC 0xfffff000 /* SPL location */ +#define CFG_NAND_BOOT_SPL_SIZE (4 << 10) /* SPL size */ +#define CFG_NAND_BOOT_SPL_DST 0x00800000 /* Copy SPL here */ +#define CFG_NAND_U_BOOT_DST 0x01000000 /* Load NUB to this addr */ +#define CFG_NAND_U_BOOT_START CFG_NAND_U_BOOT_DST /* Start NUB from this addr */ +#define CFG_NAND_BOOT_SPL_DELTA (CFG_NAND_BOOT_SPL_SRC - CFG_NAND_BOOT_SPL_DST) + +/* + * Define the partitioning of the NAND chip (only RAM U-Boot is needed here) + */ +#define CFG_NAND_U_BOOT_OFFS (16 << 10) /* Offset to RAM U-Boot image */ +#define CFG_NAND_U_BOOT_SIZE (384 << 10) /* Size of RAM U-Boot image */ + +/* + * Now the NAND chip has to be defined (no autodetection used!) + */ +#define CFG_NAND_PAGE_SIZE 512 /* NAND chip page size */ +#define CFG_NAND_BLOCK_SIZE (16 << 10) /* NAND chip block size */ +#define CFG_NAND_PAGE_COUNT 32 /* NAND chip page count */ +#define CFG_NAND_BAD_BLOCK_POS 5 /* Location of bad block marker */ +#define CFG_NAND_4_ADDR_CYCLE 1 /* Fourth addr used (>32MB) */ + +#define CFG_NAND_ECCSIZE 256 +#define CFG_NAND_ECCBYTES 3 +#define CFG_NAND_ECCSTEPS (CFG_NAND_PAGE_SIZE / CFG_NAND_ECCSIZE) +#define CFG_NAND_OOBSIZE 16 +#define CFG_NAND_ECCTOTAL (CFG_NAND_ECCBYTES * CFG_NAND_ECCSTEPS) +#define CFG_NAND_ECCPOS {0, 1, 2, 3, 6, 7} + +#ifdef CFG_ENV_IS_IN_NAND +/* + * For NAND booting the environment is embedded in the U-Boot image. Please take + * look at the file board/amcc/sequoia/u-boot-nand.lds for details. + */ +#define CFG_ENV_SIZE CFG_NAND_BLOCK_SIZE +#define CFG_ENV_OFFSET (CFG_NAND_U_BOOT_OFFS + CFG_ENV_SIZE) +#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET + CFG_ENV_SIZE) +#endif + +/*----------------------------------------------------------------------- + * NAND FLASH + *----------------------------------------------------------------------*/ +#define CFG_MAX_NAND_DEVICE 1 +#define NAND_MAX_CHIPS 1 +#define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS) +#define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */ + /*----------------------------------------------------------------------- * DDR SDRAM *----------------------------------------------------------------------*/ @@ -332,6 +397,18 @@ /*----------------------------------------------------------------------- * External Bus Controller (EBC) Setup *----------------------------------------------------------------------*/ +#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) +/* booting from NAND, so NAND chips select has to be on CS 0 */ +#define CFG_NAND_CS 0 /* NAND chip connected to CSx */ + +/* Memory Bank 1 (NOR-FLASH) initialization */ +#define CFG_EBC_PB1AP 0x05806500 +#define CFG_EBC_PB1CR 0xFC0DA000 /* BAS=0xFC0,BS=64MB,BU=R/W,BW=16bit*/ + +/* Memory Bank 0 (NAND-FLASH) initialization */ +#define CFG_EBC_PB0AP 0x018003c0 +#define CFG_EBC_PB0CR (CFG_NAND_ADDR | 0x1e000) +#else #define CFG_NAND_CS 1 /* NAND chip connected to CSx */ /* Memory Bank 0 (NOR-FLASH) initialization */ @@ -341,6 +418,7 @@ /* Memory Bank 1 (NAND-FLASH) initialization */ #define CFG_EBC_PB1AP 0x018003c0 #define CFG_EBC_PB1CR (CFG_NAND_ADDR | 0x1e000) +#endif /* Memory Bank 2 (FPGA) initialization */ #define CFG_EBC_PB2AP 0x9400C800 @@ -349,14 +427,6 @@ #define CFG_EBC_CFG 0x7FC00000 /* EBC0_CFG */ /*----------------------------------------------------------------------- - * NAND FLASH - *----------------------------------------------------------------------*/ -#define CFG_MAX_NAND_DEVICE 1 -#define NAND_MAX_CHIPS 1 -#define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS) -#define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */ - -/*----------------------------------------------------------------------- * GPIO Setup *----------------------------------------------------------------------*/ /*----------------------------------------------------------------------- |