#include "spi_flash_internal.h"
-/* MX25xx-specific commands */
-#define CMD_MX25XX_WREN 0x06 /* Write Enable */
-#define CMD_MX25XX_WRDI 0x04 /* Write Disable */
-#define CMD_MX25XX_RDSR 0x05 /* Read Status Register */
-#define CMD_MX25XX_WRSR 0x01 /* Write Status Register */
-#define CMD_MX25XX_READ 0x03 /* Read Data Bytes */
-#define CMD_MX25XX_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */
-#define CMD_MX25XX_PP 0x02 /* Page Program */
-#define CMD_MX25XX_SE 0x20 /* Sector Erase */
-#define CMD_MX25XX_BE 0xD8 /* Block Erase */
-#define CMD_MX25XX_CE 0xc7 /* Chip Erase */
-#define CMD_MX25XX_DP 0xb9 /* Deep Power-down */
-#define CMD_MX25XX_RES 0xab /* Release from DP, and Read Signature */
-
struct macronix_spi_flash_params {
u16 idcode;
- u16 page_size;
- u16 pages_per_sector;
- u16 sectors_per_block;
u16 nr_blocks;
const char *name;
};
static const struct macronix_spi_flash_params macronix_spi_flash_table[] = {
{
.idcode = 0x2013,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 8,
.name = "MX25L4005",
},
{
.idcode = 0x2014,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 16,
.name = "MX25L8005",
},
{
.idcode = 0x2015,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 32,
.name = "MX25L1605D",
},
{
.idcode = 0x2016,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 64,
.name = "MX25L3205D",
},
{
.idcode = 0x2017,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 128,
.name = "MX25L6405D",
},
{
.idcode = 0x2018,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 256,
.name = "MX25L12805D",
},
{
.idcode = 0x2618,
- .page_size = 256,
- .pages_per_sector = 16,
- .sectors_per_block = 16,
.nr_blocks = 256,
.name = "MX25L12855E",
},
};
-static int macronix_write_status(struct spi_flash *flash, u8 sr)
-{
- u8 cmd;
- int ret;
-
- ret = spi_flash_cmd_write_enable(flash);
- if (ret < 0) {
- debug("SF: enabling write failed\n");
- return ret;
- }
-
- cmd = CMD_MX25XX_WRSR;
- ret = spi_flash_cmd_write(flash->spi, &cmd, 1, &sr, 1);
- if (ret) {
- debug("SF: fail to write status register\n");
- return ret;
- }
-
- ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
- if (ret < 0) {
- debug("SF: write status register timed out\n");
- return ret;
- }
-
- return 0;
-}
-
-static int macronix_unlock(struct spi_flash *flash)
-{
- int ret;
-
- /* Enable status register writing and clear BP# bits */
- ret = macronix_write_status(flash, 0);
- if (ret)
- debug("SF: fail to disable write protection\n");
-
- return ret;
-}
-
-static int macronix_erase(struct spi_flash *flash, u32 offset, size_t len)
-{
- return spi_flash_cmd_erase(flash, CMD_MX25XX_BE, offset, len);
-}
-
struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode)
{
const struct macronix_spi_flash_params *params;
return NULL;
}
- flash = malloc(sizeof(*flash));
+ flash = spi_flash_alloc_base(spi, params->name);
if (!flash) {
debug("SF: Failed to allocate memory\n");
return NULL;
}
- flash->spi = spi;
- flash->name = params->name;
-
- flash->write = spi_flash_cmd_write_multi;
- flash->erase = macronix_erase;
- flash->read = spi_flash_cmd_read_fast;
- flash->page_size = params->page_size;
- flash->sector_size = params->page_size * params->pages_per_sector
- * params->sectors_per_block;
+ flash->page_size = 256;
+ flash->sector_size = 256 * 16 * 16;
flash->size = flash->sector_size * params->nr_blocks;
/* Clear BP# bits for read-only flash */
- macronix_unlock(flash);
+ spi_flash_cmd_write_status(flash, 0);
return flash;
}