SPI: Split writes using spi_crop_chunk()
SPI controllers in Intel and AMD bridges have a slightly different
restriction on how long transactions they can handle.
Change-Id: I3d149d4b7e7e9633482a153d5e380a86c553d871
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6163
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/src/drivers/spi/amic.c b/src/drivers/spi/amic.c
index 4cccc71..63a68a5 100644
--- a/src/drivers/spi/amic.c
+++ b/src/drivers/spi/amic.c
@@ -82,7 +82,7 @@
for (actual = 0; actual < len; actual += chunk_len) {
chunk_len = min(len - actual, page_size - byte_addr);
- chunk_len = min(chunk_len, CONTROLLER_PAGE_LIMIT);
+ chunk_len = spi_crop_chunk(sizeof(cmd), chunk_len);
cmd[0] = CMD_A25_PP;
cmd[1] = (offset >> 16) & 0xff;
@@ -100,7 +100,7 @@
goto out;
}
- ret = spi_flash_cmd_write(flash->spi, cmd, 4,
+ ret = spi_flash_cmd_write(flash->spi, cmd, sizeof(cmd),
buf + actual, chunk_len);
if (ret < 0) {
printk(BIOS_WARNING, "SF: AMIC Page Program failed\n");