diff options
Diffstat (limited to 'src/drivers/spi/atmel.c')
-rw-r--r-- | src/drivers/spi/atmel.c | 55 |
1 files changed, 8 insertions, 47 deletions
diff --git a/src/drivers/spi/atmel.c b/src/drivers/spi/atmel.c index a49484464e..ae282c323b 100644 --- a/src/drivers/spi/atmel.c +++ b/src/drivers/spi/atmel.c @@ -39,84 +39,45 @@ static const struct spi_flash_part_id flash_table[] = { .id = 0x3015, .name = "AT25X16", .nr_sectors_shift = 9, - .sector_size_kib_shift = 2, }, { .id = 0x47, .name = "AT25DF32", .nr_sectors_shift = 10, - .sector_size_kib_shift = 2, }, { .id = 0x3017, .name = "AT25X64", .nr_sectors_shift = 11, - .sector_size_kib_shift = 2, }, { .id = 0x4015, .name = "AT25Q16", .nr_sectors_shift = 9, - .sector_size_kib_shift = 2, }, { .id = 0x4016, .name = "AT25Q32", .nr_sectors_shift = 10, - .sector_size_kib_shift = 2, }, { .id = 0x4017, .name = "AT25Q64", .nr_sectors_shift = 11, - .sector_size_kib_shift = 2, }, { .id = 0x4018, .name = "AT25Q128", .nr_sectors_shift = 12, - .sector_size_kib_shift = 2, }, }; -static const struct spi_flash_ops spi_flash_ops = { - .read = spi_flash_cmd_read, - .write = spi_flash_cmd_write_page_program, - .erase = spi_flash_cmd_erase, - .status = spi_flash_cmd_status, +const struct spi_flash_vendor_info spi_flash_atmel_vi = { + .id = VENDOR_ID_ATMEL, + .page_size_shift = 8, + .sector_size_kib_shift = 2, + .match_id_mask = 0xffff, + .ids = flash_table, + .nr_part_ids = ARRAY_SIZE(flash_table), + .desc = &spi_flash_pp_0x20_sector_desc, }; - -int spi_flash_probe_atmel(const struct spi_slave *spi, u8 *idcode, - struct spi_flash *flash) -{ - const struct spi_flash_part_id *params; - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(flash_table); i++) { - params = &flash_table[i]; - if (params->id == ((idcode[1] << 8) | idcode[2])) - break; - } - - if (i == ARRAY_SIZE(flash_table)) { - printk(BIOS_WARNING, "SF: Unsupported Atmel ID %02x%02x\n", - idcode[1], idcode[2]); - return -1; - } - - memcpy(&flash->spi, spi, sizeof(*spi)); - flash->name = params->name; - - /* Assuming power-of-two page size initially. */ - flash->page_size = 256; - flash->sector_size = (1U << params->sector_size_kib_shift) * KiB; - flash->size = flash->sector_size * (1U << params->nr_sectors_shift); - flash->erase_cmd = CMD_AT25_SE; - flash->status_cmd = CMD_AT25_RDSR; - flash->pp_cmd = CMD_AT25_PP; - flash->wren_cmd = CMD_AT25_WREN; - - flash->ops = &spi_flash_ops; - - return 0; -} |