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authorCaveh Jalali <caveh@google.com>2019-09-12 05:37:12 +0000
committerCommit Bot <commit-bot@chromium.org>2019-09-12 09:32:38 +0000
commita0e7e66ebd384455041b99d99cce30dea771ddfa (patch)
tree3ffa6a9272b1d0ea3cb5c2bfbed5a523dabf7d28 /chip/npcx/spiflashfw
parent614bfa8ed0066866f6e8136b186b552f57f67ea9 (diff)
downloadchrome-ec-a0e7e66ebd384455041b99d99cce30dea771ddfa.tar.gz
Revert "npcx: ensure we don't unlock watchdog too soon"
This reverts commit 031c5d2d62dd891622ded885756c03021e934ef2. Reason for revert: introduced compilation errors: chip/npcx/spiflashfw/npcx_monitor.c: In function 'sspi_flash_upload': chip/npcx/spiflashfw/npcx_monitor.c:290:2: error: implicit declaration of function 'watchdog_stop_and_unlock' [-Werror=implicit-function-declaration] watchdog_stop_and_unlock(); ^~~~~~~~~~~~~~~~~~~~~~~~ Original change's description: > npcx: ensure we don't unlock watchdog too soon > > We cannot unlock the watchdog timer with 3 watch dog ticks of touching > it per the datasheet. This is actually around 100ms so we should protect > against this. > > BRANCH=none > BUG=b:140207603 > TEST=eliminates cold reset issue. > > Change-Id: Iaef59dad9f5640d64d5d430aea87bd16c2efd30d > Signed-off-by: Jett Rink <jettrink@chromium.org> > Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1790302 > Reviewed-by: Scott Collyer <scollyer@chromium.org> > Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> > Reviewed-by: ML Chao <mlchao@nuvoton.corp-partner.google.com> > Reviewed-by: Furquan Shaikh <furquan@chromium.org> > Tested-by: Furquan Shaikh <furquan@chromium.org> > Commit-Queue: Furquan Shaikh <furquan@chromium.org> Bug: b:140207603 Change-Id: I540fa53c2c568cb789400d55b807a672b182302a Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1799293 Reviewed-by: Caveh Jalali <caveh@google.com> Commit-Queue: Caveh Jalali <caveh@google.com> Tested-by: Caveh Jalali <caveh@google.com>
Diffstat (limited to 'chip/npcx/spiflashfw')
-rw-r--r--chip/npcx/spiflashfw/npcx_monitor.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/chip/npcx/spiflashfw/npcx_monitor.c b/chip/npcx/spiflashfw/npcx_monitor.c
index cc327e3440..a0b011476d 100644
--- a/chip/npcx/spiflashfw/npcx_monitor.c
+++ b/chip/npcx/spiflashfw/npcx_monitor.c
@@ -287,7 +287,9 @@ sspi_flash_upload(int spi_offset, int spi_size)
}
/* Unlock & stop watchdog */
- watchdog_stop_and_unlock();
+ NPCX_WDSDM = 0x87;
+ NPCX_WDSDM = 0x61;
+ NPCX_WDSDM = 0x63;
/* UMA Unlock */
CLEAR_BIT(NPCX_UMA_ECTS, NPCX_UMA_ECTS_UMA_LOCK);