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| author | Dino Li <Dino.Li@ite.com.tw> | 2020-09-29 18:42:49 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-10-13 05:21:46 +0000 |
| commit | 7ae6bda8bd44aa8a906f42cbaa33710878247e5a (patch) | |
| tree | 7325cc26b5d5717b0f437553538f0b86e3e72016 | |
| parent | 1e41b8c4b09c42898358a67db8f75a50181c3621 (diff) | |
| download | chrome-ec-7ae6bda8bd44aa8a906f42cbaa33710878247e5a.tar.gz | |
it83xx/flash: add reload watchdog to prevent the reset
If requested erase size is too large at one time on KGD flash,
we need to reload watchdog to prevent the reset.
BUG=b:168869304
BRANCH=none
TEST=ectool flasherase 0x80000 0x80000
Change-Id: I9a34b8132e17e4ee0a90874d6341ac1e4a3b60c1
Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
Signed-off-by: tim <tim2.lin@ite.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2438072
Reviewed-by: Jett Rink <jettrink@chromium.org>
| -rw-r--r-- | chip/it83xx/flash.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/chip/it83xx/flash.c b/chip/it83xx/flash.c index c0e062bce4..4c4651f58b 100644 --- a/chip/it83xx/flash.c +++ b/chip/it83xx/flash.c @@ -496,6 +496,12 @@ int FLASH_DMA_CODE flash_physical_erase(int offset, int size) for (; size > 0; size -= FLASH_SECTOR_ERASE_SIZE) { dma_flash_erase(offset, FLASH_CMD_SECTOR_ERASE); offset += FLASH_SECTOR_ERASE_SIZE; + /* + * If requested erase size is too large at one time on KGD + * flash, we need to reload watchdog to prevent the reset. + */ + if (IS_ENABLED(IT83XX_CHIP_FLASH_IS_KGD) && (size > 0x10000)) + watchdog_reload(); } dma_reset_immu((v_addr + v_size) >= IMMU_TAG_INDEX_BY_DEFAULT); /* get the ILM address of a flash offset. */ |