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sf: Default page size Spansion flash "S25FS512S" is 256b

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page size for JEDEC EXT starting 0x4d00 is 512b,
except JEDEC ID 0x215, 0x216 and 0x220

Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
[jagan: added proper commit message]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
This commit is contained in:
Ashish Kumar 2018-05-07 16:01:47 +05:30 committed by Jagan Teki
parent 39b9e9bc72
commit 4eaa2fa169
1 changed files with 6 additions and 5 deletions
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11
drivers/mtd/spi/spi_flash.c
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@ -1202,14 +1202,15 @@ int spi_flash_scan(struct spi_flash *flash)
flash->shift = (flash->dual_flash & SF_DUAL_PARALLEL_FLASH) ? 1 : 0;
flash->page_size = info->page_size;
/*
* The Spansion S25FL032P and S25FL064P have 256b pages, yet use the
* 0x4d00 Extended JEDEC code. The rest of the Spansion flashes with
* the 0x4d00 Extended JEDEC code have 512b pages. All of the others
* have 256b pages.
* The Spansion S25FS512S, S25FL032P and S25FL064P have 256b pages,
* yet use the 0x4d00 Extended JEDEC code. The rest of the Spansion
* flashes with the 0x4d00 Extended JEDEC code have 512b pages.
* All of the others have 256b pages.
*/
if (JEDEC_EXT(info) == 0x4d00) {
if ((JEDEC_ID(info) != 0x0215) &&
(JEDEC_ID(info) != 0x0216))
(JEDEC_ID(info) != 0x0216) &&
(JEDEC_ID(info) != 0x0220))
flash->page_size = 512;
}
flash->page_size <<= flash->shift;