diff options
| -rw-r--r-- | board/t3corp/t3corp.c | 38 | ||||
| -rw-r--r-- | include/configs/t3corp.h | 18 |
2 files changed, 50 insertions, 6 deletions
diff --git a/board/t3corp/t3corp.c b/board/t3corp/t3corp.c index 04d6a2e..f2853e4 100644 --- a/board/t3corp/t3corp.c +++ b/board/t3corp/t3corp.c @@ -23,6 +23,7 @@ #include <libfdt.h> #include <fdt_support.h> #include <i2c.h> +#include <mtd/cfi_flash.h> #include <asm/processor.h> #include <asm/io.h> #include <asm/mmu.h> @@ -191,3 +192,40 @@ struct sdram_timing *ddr_scan_option(struct sdram_timing *default_val) { return board_scan_options; } + +/* + * Accessor functions replacing the "weak" functions in + * drivers/mtd/cfi_flash.c + * + * The NOR flash devices "behind" the FPGA's (Xilinx DS617) + * can only be read correctly in 16bit mode. We need to emulate + * 8bit and 32bit reads here in the board specific code. + */ +u8 flash_read8(void *addr) +{ + u16 val = __raw_readw((void *)((u32)addr & ~1)); + + if ((u32)addr & 1) + return val; + + return val >> 8; +} + +u32 flash_read32(void *addr) +{ + return (__raw_readw(addr) << 16) | __raw_readw((void *)((u32)addr + 2)); +} + +void flash_cmd_reset(flash_info_t *info) +{ + /* + * FLASH at address CONFIG_SYS_FLASH_BASE is a Spansion chip and + * needs the Spansion type reset commands. The other flash chip + * is located behind a FPGA (Xilinx DS617) and needs the Intel type + * reset command. + */ + if (info->start[0] == CONFIG_SYS_FLASH_BASE) + flash_write_cmd(info, 0, 0, AMD_CMD_RESET); + else + flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); +} diff --git a/include/configs/t3corp.h b/include/configs/t3corp.h index 6115a5f..2a731a6 100644 --- a/include/configs/t3corp.h +++ b/include/configs/t3corp.h @@ -120,11 +120,16 @@ */ #define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */ #define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */ -#define CONFIG_SYS_FLASH_CFI_AMD_RESET 1 /* Use AMD reset cmd */ +#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT +#define CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS #define CONFIG_SYS_CFI_FLASH_STATUS_POLL /* use status poll method */ +#define CONFIG_SYS_FLASH_PROTECTION /* use hardware flash protection */ -#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE } -#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max num of memory banks */ +#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, \ + (CONFIG_SYS_FPGA1_BASE + 0x01000000) } +#define CONFIG_SYS_CFI_FLASH_CONFIG_REGS { 0xffff, /* don't set */ \ + 0xbddf } /* set async read mode */ +#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max num of memory banks */ #define CONFIG_SYS_MAX_FLASH_SECT 512 /* max num of sectors p. chip*/ #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase/ms*/ @@ -355,6 +360,7 @@ "ramdisk_addr=fc200000\0" \ "pciconfighost=1\0" \ "pcie_mode=RP:RP\0" \ + "unlock=yes\0" \ "" /* @@ -423,7 +429,7 @@ EBC_BXAP_WBN_ENCODE(0) | \ EBC_BXAP_WBF_ENCODE(0) | \ EBC_BXAP_TH_ENCODE(1) | \ - EBC_BXAP_RE_DISABLED | \ + EBC_BXAP_RE_ENABLED | \ EBC_BXAP_SOR_DELAYED | \ EBC_BXAP_BEM_RW | \ EBC_BXAP_PEN_DISABLED) @@ -440,7 +446,7 @@ EBC_BXAP_WBN_ENCODE(0) | \ EBC_BXAP_WBF_ENCODE(0) | \ EBC_BXAP_TH_ENCODE(1) | \ - EBC_BXAP_RE_DISABLED | \ + EBC_BXAP_RE_ENABLED | \ EBC_BXAP_SOR_DELAYED | \ EBC_BXAP_BEM_RW | \ EBC_BXAP_PEN_DISABLED) @@ -457,7 +463,7 @@ EBC_BXAP_WBN_ENCODE(0) | \ EBC_BXAP_WBF_ENCODE(0) | \ EBC_BXAP_TH_ENCODE(1) | \ - EBC_BXAP_RE_DISABLED | \ + EBC_BXAP_RE_ENABLED | \ EBC_BXAP_SOR_DELAYED | \ EBC_BXAP_BEM_RW | \ EBC_BXAP_PEN_DISABLED) |