diff options
| author | Tom Rini <trini@konsulko.com> | 2017-09-26 19:38:04 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-09-26 19:38:04 -0400 |
| commit | 9241265f29f3670e380a9859a343ddc14873c46f (patch) | |
| tree | ac4fe2a1ee8c1aeaf7baabcba1ead224ce340d3e /drivers | |
| parent | f66bc0e0beeff7fa27c29f740d2f314d63b3346d (diff) | |
| parent | 72443c7f7d2174903e73ee88dcb4364e0387bbb2 (diff) | |
Merge git://www.denx.de/git/u-boot-cfi-flash
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/cfi_flash.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index f3bb72788a..8a5babea7b 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -111,11 +111,9 @@ static void cfi_flash_init_dm(void) } } -static phys_addr_t cfi_flash_base[CFI_MAX_FLASH_BANKS]; - phys_addr_t cfi_flash_bank_addr(int i) { - return cfi_flash_base[i]; + return flash_info[i].base; } #else __weak phys_addr_t cfi_flash_bank_addr(int i) @@ -546,7 +544,16 @@ static int flash_is_busy (flash_info_t * info, flash_sect_t sect) #ifdef CONFIG_FLASH_CFI_LEGACY case CFI_CMDSET_AMD_LEGACY: #endif - retval = flash_toggle (info, sect, 0, AMD_STATUS_TOGGLE); + if (info->sr_supported) { + flash_write_cmd (info, sect, info->addr_unlock1, + FLASH_CMD_READ_STATUS); + retval = !flash_isset (info, sect, 0, + FLASH_STATUS_DONE); + } else { + retval = flash_toggle (info, sect, 0, + AMD_STATUS_TOGGLE); + } + break; default: retval = 0; @@ -1687,6 +1694,7 @@ static void cmdset_amd_read_jedec_ids(flash_info_t *info) { ushort bankId = 0; uchar manuId; + uchar lsbits; flash_write_cmd(info, 0, 0, AMD_CMD_RESET); flash_unlock_seq(info, 0); @@ -1702,6 +1710,9 @@ static void cmdset_amd_read_jedec_ids(flash_info_t *info) } info->manufacturer_id = manuId; + lsbits = flash_read_uchar(info, FLASH_OFFSET_LOWER_SW_BITS); + info->sr_supported = lsbits & BIT(0); + switch (info->chipwidth){ case FLASH_CFI_8BIT: info->device_id = flash_read_uchar (info, @@ -2458,10 +2469,12 @@ static int cfi_flash_probe(struct udevice *dev) while (idx < len) { addr = fdt_translate_address((void *)blob, node, cell + idx); - cfi_flash_base[cfi_flash_num_flash_banks++] = addr; + flash_info[cfi_flash_num_flash_banks].dev = dev; + flash_info[cfi_flash_num_flash_banks].base = addr; + cfi_flash_num_flash_banks++; idx += addrc + sizec; } - gd->bd->bi_flashstart = cfi_flash_base[0]; + gd->bd->bi_flashstart = flash_info[0].base; return 0; } |