diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/cfi_flash.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index 61c2e6379db..88c47cad902 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -175,7 +175,8 @@ __maybe_weak u64 flash_read64(void *addr) /*----------------------------------------------------------------------- */ -#if defined(CONFIG_ENV_IS_IN_FLASH) || defined(CONFIG_ENV_ADDR_REDUND) || (CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE) +#if defined(CONFIG_ENV_IS_IN_FLASH) || defined(CONFIG_ENV_ADDR_REDUND) || \ + (CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE) static flash_info_t *flash_get_info(ulong base) { int i; @@ -569,8 +570,9 @@ static int flash_status_check(flash_info_t *info, flash_sect_t sector, ulong start; #if CONFIG_SYS_HZ != 1000 + /* Avoid overflow for large HZ */ if ((ulong)CONFIG_SYS_HZ > 100000) - tout *= (ulong)CONFIG_SYS_HZ / 1000; /* for a big HZ, avoid overflow */ + tout *= (ulong)CONFIG_SYS_HZ / 1000; else tout = DIV_ROUND_UP(tout * (ulong)CONFIG_SYS_HZ, 1000); #endif @@ -661,8 +663,9 @@ static int flash_status_poll(flash_info_t *info, void *src, void *dst, int ready; #if CONFIG_SYS_HZ != 1000 + /* Avoid overflow for large HZ */ if ((ulong)CONFIG_SYS_HZ > 100000) - tout *= (ulong)CONFIG_SYS_HZ / 1000; /* for a big HZ, avoid overflow */ + tout *= (ulong)CONFIG_SYS_HZ / 1000; else tout = DIV_ROUND_UP(tout * (ulong)CONFIG_SYS_HZ, 1000); #endif @@ -937,7 +940,8 @@ static int flash_write_cfibuffer(flash_info_t *info, ulong dest, uchar *cp, case CFI_CMDSET_INTEL_STANDARD: case CFI_CMDSET_INTEL_EXTENDED: write_cmd = (info->vendor == CFI_CMDSET_INTEL_PROG_REGIONS) ? - FLASH_CMD_WRITE_BUFFER_PROG : FLASH_CMD_WRITE_TO_BUFFER; + FLASH_CMD_WRITE_BUFFER_PROG : + FLASH_CMD_WRITE_TO_BUFFER; flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); flash_write_cmd(info, sector, 0, FLASH_CMD_READ_STATUS); flash_write_cmd(info, sector, 0, write_cmd); @@ -1152,7 +1156,8 @@ int flash_erase(flash_info_t *info, int s_first, int s_last) cword.w64 = 0xffffffffffffffffULL; dest = flash_map(info, sect, 0); st = flash_status_poll(info, &cword, dest, - info->erase_blk_tout, "erase"); + info->erase_blk_tout, + "erase"); flash_unmap(info, sect, 0, dest); } else { st = flash_full_status_check(info, sect, @@ -1561,9 +1566,11 @@ int flash_real_protect(flash_info_t *info, long sector, int prot) flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT); if (prot) - flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_SET); + flash_write_cmd(info, sector, 0, + FLASH_CMD_PROTECT_SET); else - flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_CLEAR); + flash_write_cmd(info, sector, 0, + FLASH_CMD_PROTECT_CLEAR); #endif }; @@ -1899,9 +1906,9 @@ static int __flash_detect_cfi(flash_info_t *info, struct cfi_qry *qry) flash_write_cmd(info, 0, flash_offset_cfi[cfi_offset], FLASH_CMD_CFI); if (flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP, 'Q') && - flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R') && - flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) { - flash_read_cfi(info, qry, FLASH_OFFSET_CFI_RESP, + flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R') && + flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) { + flash_read_cfi(info, qry, FLASH_OFFSET_CFI_RESP, sizeof(struct cfi_qry)); info->interface = le16_to_cpu(qry->interface_desc); @@ -2182,8 +2189,8 @@ ulong flash_get_size(phys_addr_t base, int banknum) tmp >>= 16; erase_region_size = (tmp & 0xffff) ? ((tmp & 0xffff) * 256) : 128; - debug("erase_region_count = %d erase_region_size = %d\n", - erase_region_count, erase_region_size); + debug("erase_region_count = %d ", erase_region_count); + debug("erase_region_size = %d\n", erase_region_size); for (j = 0; j < erase_region_count; j++) { if (sector - base >= info->size) break; |