diff options
Diffstat (limited to 'src/drivers/spi')
| -rw-r--r-- | src/drivers/spi/sst.c | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/src/drivers/spi/sst.c b/src/drivers/spi/sst.c index 6223cf98da..499db3550b 100644 --- a/src/drivers/spi/sst.c +++ b/src/drivers/spi/sst.c @@ -32,6 +32,7 @@ #define CMD_SST_READ 0x03 /* Read Data Bytes */ #define CMD_SST_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */ #define CMD_SST_BP 0x02 /* Byte Program */ +#define CMD_SST_PP 0x02 /* Page Program */ #define CMD_SST_AAI_WP 0xAD /* Auto Address Increment Word Program */ #define CMD_SST_SE 0x20 /* Sector Erase */ @@ -197,30 +198,12 @@ static int sst_write_256(const struct spi_flash *flash, u32 offset, size_t len, page_size = 256; - /* If the data is not word aligned, write out leading single byte */ - actual = offset % 2; - if (actual) { - ret = sst_byte_write(flash, offset, buf); - if (ret) - goto done; - } - offset += actual; - - ret = sst_enable_writing(flash); - if (ret) - goto done; - - cmd[0] = CMD_SST_AAI_WP; - cmd[1] = offset >> 16; - cmd[2] = offset >> 8; - cmd[3] = offset; - for (actual = 0; actual < len; actual += chunk_len) { byte_addr = offset % page_size; chunk_len = MIN(len - actual, page_size - byte_addr); chunk_len = spi_crop_chunk(&flash->spi, sizeof(cmd), chunk_len); - cmd[0] = CMD_SST_BP; + cmd[0] = CMD_SST_PP; cmd[1] = (offset >> 16) & 0xff; cmd[2] = (offset >> 8) & 0xff; cmd[3] = offset & 0xff; @@ -251,7 +234,6 @@ static int sst_write_256(const struct spi_flash *flash, u32 offset, size_t len, offset += chunk_len; } -done: #if CONFIG(DEBUG_SPI_FLASH) printk(BIOS_SPEW, "SF: SST: program %s %zu bytes @ 0x%lx\n", ret ? "failure" : "success", len, (unsigned long)offset - actual); |