#define CMD_MX25XX_DP 0xb9 /* Deep Power-down */
#define CMD_MX25XX_RES 0xab /* Release from DP, and Read Signature */
-#define MXIC_ID_MX2516 0x15
-#define MXIC_ID_MX2520 0x12
-#define MXIC_ID_MX2532 0x16
-#define MXIC_ID_MX2540 0x13
-#define MXIC_ID_MX2564 0x17
-#define MXIC_ID_MX2580 0x14
-#define MXIC_ID_MX25128 0x18
-
-#define MACRONIX_SR_WIP (1 << 0) /* Write-in-Progress */
-
struct macronix_spi_flash_params {
- u8 idcode1;
+ u16 idcode;
u16 page_size;
u16 pages_per_sector;
u16 sectors_per_block;
static const struct macronix_spi_flash_params macronix_spi_flash_table[] = {
{
- .idcode1 = MXIC_ID_MX25128,
+ .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_wait_ready(struct spi_flash *flash, unsigned long timeout)
-{
- struct spi_slave *spi = flash->spi;
- unsigned long timebase;
- int ret;
- u8 status;
- u8 cmd = CMD_MX25XX_RDSR;
-
- ret = spi_xfer(spi, 8, &cmd, NULL, SPI_XFER_BEGIN);
- if (ret) {
- debug("SF: Failed to send command %02x: %d\n", cmd, ret);
- return ret;
- }
-
- timebase = get_timer(0);
- do {
- ret = spi_xfer(spi, 8, NULL, &status, 0);
- if (ret)
- return -1;
-
- if ((status & MACRONIX_SR_WIP) == 0)
- break;
-
- } while (get_timer(timebase) < timeout);
-
- spi_xfer(spi, 0, NULL, NULL, SPI_XFER_END);
-
- if ((status & MACRONIX_SR_WIP) == 0)
- return 0;
-
- /* Timed out */
- return -1;
-}
-
-static int macronix_read_fast(struct spi_flash *flash,
- u32 offset, size_t len, void *buf)
-{
- struct macronix_spi_flash *mcx = to_macronix_spi_flash(flash);
- unsigned long page_addr;
- unsigned long page_size;
- u8 cmd[5];
-
- page_size = mcx->params->page_size;
- page_addr = offset / page_size;
-
- cmd[0] = CMD_READ_ARRAY_FAST;
- cmd[1] = page_addr >> 8;
- cmd[2] = page_addr;
- cmd[3] = offset % page_size;
- cmd[4] = 0x00;
-
- return spi_flash_read_common(flash, cmd, sizeof(cmd), buf, len);
-}
-
static int macronix_write(struct spi_flash *flash,
u32 offset, size_t len, const void *buf)
{
break;
}
- ret = macronix_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
- if (ret < 0) {
- debug("SF: Macronix page programming timed out\n");
+ ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
+ if (ret)
break;
- }
page_addr++;
byte_addr = 0;
return ret;
}
-int macronix_erase(struct spi_flash *flash, u32 offset, size_t len)
+static int macronix_erase(struct spi_flash *flash, u32 offset, size_t len)
{
- struct macronix_spi_flash *mcx = to_macronix_spi_flash(flash);
- unsigned long sector_size;
- size_t actual;
- int ret;
- u8 cmd[4];
-
- /*
- * This function currently uses sector erase only.
- * probably speed things up by using bulk erase
- * when possible.
- */
-
- sector_size = mcx->params->page_size * mcx->params->pages_per_sector
- * mcx->params->sectors_per_block;
-
- if (offset % sector_size || len % sector_size) {
- debug("SF: Erase offset/length not multiple of sector size\n");
- return -1;
- }
-
- len /= sector_size;
- cmd[0] = CMD_MX25XX_BE;
- cmd[2] = 0x00;
- cmd[3] = 0x00;
-
- ret = spi_claim_bus(flash->spi);
- if (ret) {
- debug("SF: Unable to claim SPI bus\n");
- return ret;
- }
-
- ret = 0;
- for (actual = 0; actual < len; actual++) {
- cmd[1] = (offset / sector_size) + actual;
-
- ret = spi_flash_cmd(flash->spi, CMD_MX25XX_WREN, NULL, 0);
- if (ret < 0) {
- debug("SF: Enabling Write failed\n");
- break;
- }
-
- ret = spi_flash_cmd_write(flash->spi, cmd, 4, NULL, 0);
- if (ret < 0) {
- debug("SF: Macronix page erase failed\n");
- break;
- }
-
- ret = macronix_wait_ready(flash, SPI_FLASH_PAGE_ERASE_TIMEOUT);
- if (ret < 0) {
- debug("SF: Macronix page erase timed out\n");
- break;
- }
- }
-
- debug("SF: Macronix: Successfully erased %u bytes @ 0x%x\n",
- len * sector_size, offset);
-
- spi_release_bus(flash->spi);
- return ret;
+ 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;
struct macronix_spi_flash *mcx;
unsigned int i;
+ u16 id = idcode[2] | idcode[1] << 8;
for (i = 0; i < ARRAY_SIZE(macronix_spi_flash_table); i++) {
params = ¯onix_spi_flash_table[i];
- if (params->idcode1 == idcode[2])
+ if (params->idcode == id)
break;
}
if (i == ARRAY_SIZE(macronix_spi_flash_table)) {
- debug("SF: Unsupported Macronix ID %02x\n", idcode[1]);
+ debug("SF: Unsupported Macronix ID %04x\n", id);
return NULL;
}
mcx->flash.write = macronix_write;
mcx->flash.erase = macronix_erase;
- mcx->flash.read = macronix_read_fast;
- mcx->flash.size = params->page_size * params->pages_per_sector
- * params->sectors_per_block * params->nr_blocks;
-
- printf("SF: Detected %s with page size %u, total %u bytes\n",
- params->name, params->page_size, mcx->flash.size);
+ mcx->flash.read = spi_flash_cmd_read_fast;
+ mcx->flash.sector_size = params->page_size * params->pages_per_sector
+ * params->sectors_per_block;
+ mcx->flash.size = mcx->flash.sector_size * params->nr_blocks;
return &mcx->flash;
}
projects / oweals / u-boot.git / blobdiff