diff options
Diffstat (limited to 'drivers/mtd/spi/macronix.c')
-rw-r--r-- | drivers/mtd/spi/macronix.c | 66 |
1 files changed, 2 insertions, 64 deletions
diff --git a/drivers/mtd/spi/macronix.c b/drivers/mtd/spi/macronix.c index 8dacefe..0a56420 100644 --- a/drivers/mtd/spi/macronix.c +++ b/drivers/mtd/spi/macronix.c @@ -112,69 +112,6 @@ static const struct macronix_spi_flash_params macronix_spi_flash_table[] = { }, }; -static int macronix_write(struct spi_flash *flash, - u32 offset, size_t len, const void *buf) -{ - struct macronix_spi_flash *mcx = to_macronix_spi_flash(flash); - unsigned long page_addr; - unsigned long byte_addr; - unsigned long page_size; - size_t chunk_len; - size_t actual; - int ret; - u8 cmd[4]; - - page_size = mcx->params->page_size; - page_addr = offset / page_size; - byte_addr = offset % page_size; - - 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 += chunk_len) { - chunk_len = min(len - actual, page_size - byte_addr); - - cmd[0] = CMD_MX25XX_PP; - cmd[1] = page_addr >> 8; - cmd[2] = page_addr; - cmd[3] = byte_addr; - - debug - ("PP: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %d\n", - buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len); - - ret = spi_flash_cmd_write_enable(flash); - if (ret < 0) { - debug("SF: Enabling Write failed\n"); - break; - } - - ret = spi_flash_cmd_write(flash->spi, cmd, 4, - buf + actual, chunk_len); - if (ret < 0) { - debug("SF: Macronix Page Program failed\n"); - break; - } - - ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT); - if (ret) - break; - - page_addr++; - byte_addr = 0; - } - - debug("SF: Macronix: Successfully programmed %u bytes @ 0x%x\n", - len, offset); - - spi_release_bus(flash->spi); - 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); @@ -208,9 +145,10 @@ struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode) mcx->flash.spi = spi; mcx->flash.name = params->name; - mcx->flash.write = macronix_write; + mcx->flash.write = spi_flash_cmd_write_multi; mcx->flash.erase = macronix_erase; mcx->flash.read = spi_flash_cmd_read_fast; + mcx->flash.page_size = params->page_size; 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; |