summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/drivers/spi/sst.c22
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);