diff options
author | Vincent Palatin <vpalatin@chromium.org> | 2012-05-22 19:36:50 +0000 |
---|---|---|
committer | Vincent Palatin <vpalatin@chromium.org> | 2012-05-22 19:41:43 +0000 |
commit | 9ab7beb509382a7b2e881b29c077f4342cf2b3af (patch) | |
tree | 4719bffcf4bd88f396b78cf0b6ad8be49f0ca723 | |
parent | aa5397e48429ee7e272164923c3754025a9cd4a0 (diff) | |
download | chrome-ec-9ab7beb509382a7b2e881b29c077f4342cf2b3af.tar.gz |
stm32: fix sysjump on stm32f100
The warm boot condition was badly detected since we are tweaking the
GPIO enables in board.c. The timer enable (TIM2) is a more reliable
condition.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BUG=chrome-os-partner:8865
TEST=on Snow, boot Linux then type "sysjump A" in the EC console and see
that AP & Linux are still alive.
Change-Id: If375aa320c140360d313241b5d9219ffa8bcecd7
-rw-r--r-- | chip/stm32/gpio-stm32f100.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/chip/stm32/gpio-stm32f100.c b/chip/stm32/gpio-stm32f100.c index 5b6db74c21..e1a28b8d7a 100644 --- a/chip/stm32/gpio-stm32f100.c +++ b/chip/stm32/gpio-stm32f100.c @@ -53,8 +53,8 @@ int gpio_pre_init(void) int i; uint32_t addr, cnf, mode, mask; - if ((STM32_RCC_APB2ENR & 0x1fd) == 0x1fd) { - /* This is a warm reboot */ + if (STM32_RCC_APB1ENR & 1) { + /* This is a warm reboot : TIM2 is already active */ is_warm = 1; } else { /* Enable all GPIOs clocks |