diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/st_smi.c | 50 |
1 files changed, 18 insertions, 32 deletions
diff --git a/drivers/mtd/st_smi.c b/drivers/mtd/st_smi.c index 38f22b736..83a57d299 100644 --- a/drivers/mtd/st_smi.c +++ b/drivers/mtd/st_smi.c @@ -37,8 +37,6 @@ static ulong bank_base[CONFIG_SYS_MAX_FLASH_BANKS] = CONFIG_SYS_FLASH_ADDR_BASE; flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; -#define ST_M25Pxx_ID 0x00002020 - static struct flash_dev flash_ids[] = { {0x10, 0x10000, 2}, /* 64K Byte */ {0x11, 0x20000, 4}, /* 128K Byte */ @@ -287,39 +285,32 @@ static int smi_sector_erase(flash_info_t *info, unsigned int sector) writel(readl(&smicntl->smi_sr) & ~(ERF1 | ERF2), &smicntl->smi_sr); - if (info->flash_id == ST_M25Pxx_ID) { - /* Wait until finished previous write command. */ - if (smi_wait_till_ready(bank, CONFIG_SYS_FLASH_ERASE_TOUT)) - return -EBUSY; + /* Wait until finished previous write command. */ + if (smi_wait_till_ready(bank, CONFIG_SYS_FLASH_ERASE_TOUT)) + return -EBUSY; - /* Send write enable, before erase commands. */ - if (smi_write_enable(bank)) - return -EIO; + /* Send write enable, before erase commands. */ + if (smi_write_enable(bank)) + return -EIO; - /* Put SMI in SW mode */ - writel(readl(&smicntl->smi_cr1) | SW_MODE, &smicntl->smi_cr1); + /* Put SMI in SW mode */ + writel(readl(&smicntl->smi_cr1) | SW_MODE, &smicntl->smi_cr1); - /* Send Sector Erase command in SW Mode */ - writel(instruction, &smicntl->smi_tr); - writel((bank << BANKSEL_SHIFT) | SEND | TX_LEN_4, + /* Send Sector Erase command in SW Mode */ + writel(instruction, &smicntl->smi_tr); + writel((bank << BANKSEL_SHIFT) | SEND | TX_LEN_4, &smicntl->smi_cr2); - if (smi_wait_xfer_finish(XFER_FINISH_TOUT)) - return -EIO; + if (smi_wait_xfer_finish(XFER_FINISH_TOUT)) + return -EIO; - if (smi_wait_till_ready(bank, CONFIG_SYS_FLASH_ERASE_TOUT)) - return -EBUSY; + if (smi_wait_till_ready(bank, CONFIG_SYS_FLASH_ERASE_TOUT)) + return -EBUSY; - /* Put SMI in HW mode */ - writel(readl(&smicntl->smi_cr1) & ~SW_MODE, + /* Put SMI in HW mode */ + writel(readl(&smicntl->smi_cr1) & ~SW_MODE, &smicntl->smi_cr1); - return 0; - } else { - /* Put SMI in HW mode */ - writel(readl(&smicntl->smi_cr1) & ~SW_MODE, - &smicntl->smi_cr1); - return -EINVAL; - } + return 0; } /* @@ -496,11 +487,6 @@ int flash_erase(flash_info_t *info, int s_first, int s_last) int prot = 0; flash_sect_t sect; - if (info->flash_id != ST_M25Pxx_ID) { - puts("Can't erase unknown flash type - aborted\n"); - return 1; - } - if ((s_first < 0) || (s_first > s_last)) { puts("- no sectors to erase\n"); return 1; |