ca77b35e4e
Change-Id: I38d565f82d078cb75f74f8502fcafdedd907b97d Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/50523 Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#include <commonlib/helpers.h>
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#include <spi_flash.h>
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#include <spi-generic.h>
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#include "spi_flash_internal.h"
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/* M25Pxx-specific commands */
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#define CMD_AT25_WREN 0x06 /* Write Enable */
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#define CMD_AT25_WRDI 0x04 /* Write Disable */
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#define CMD_AT25_RDSR 0x05 /* Read Status Register */
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#define CMD_AT25_WRSR 0x01 /* Write Status Register */
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#define CMD_AT25_READ 0x03 /* Read Data Bytes */
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#define CMD_AT25_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */
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#define CMD_AT25_PP 0x02 /* Page Program */
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#define CMD_AT25_SE 0x20 /* Sector (4K) Erase */
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#define CMD_AT25_BE 0xd8 /* Block (64K) Erase */
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#define CMD_AT25_CE 0xc7 /* Chip Erase */
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#define CMD_AT25_DP 0xb9 /* Deep Power-down */
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#define CMD_AT25_RES 0xab /* Release from DP, and Read Signature */
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static const struct spi_flash_part_id flash_table[] = {
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{
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/* AT25X16 */
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.id[0] = 0x3015,
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.nr_sectors_shift = 9,
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},
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{
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/* AT25DF32 */
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.id[0] = 0x47,
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.nr_sectors_shift = 10,
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},
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{
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/* AT25X64 */
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.id[0] = 0x3017,
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.nr_sectors_shift = 11,
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},
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{
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/* AT25Q16 */
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.id[0] = 0x4015,
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.nr_sectors_shift = 9,
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},
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{
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/* AT25Q32 */
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.id[0] = 0x4016,
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.nr_sectors_shift = 10,
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},
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{
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/* AT25Q64 */
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.id[0] = 0x4017,
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.nr_sectors_shift = 11,
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},
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{
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/* AT25Q128 */
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.id[0] = 0x4018,
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.nr_sectors_shift = 12,
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},
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};
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const struct spi_flash_vendor_info spi_flash_atmel_vi = {
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.id = VENDOR_ID_ATMEL,
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.page_size_shift = 8,
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.sector_size_kib_shift = 2,
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.match_id_mask[0] = 0xffff,
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.ids = flash_table,
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.nr_part_ids = ARRAY_SIZE(flash_table),
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.desc = &spi_flash_pp_0x20_sector_desc,
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};
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