sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

SPI: Split writes using spi_crop_chunk()

Browse Source 
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>
This commit is contained in:
Kyösti Mälkki
2014-06-29 16:17:33 +03:00
parent 77d1280d0c
commit 1110495de9
13 changed files with 45 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/drivers/spi/gigadevice.c
View File

@@ -141,7 +141,7 @@ static int gigadevice_write(struct spi_flash *flash, u32 offset,
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);
ret = spi_flash_cmd(flash->spi, CMD_GD25_WREN, NULL, 0);
if (ret < 0) {
@@ -161,7 +161,7 @@ static int gigadevice_write(struct spi_flash *flash, u32 offset,
cmd[0], cmd[1], cmd[2], cmd[3], chunk_len);
#endif
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,