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authorMathew King <mathewk@chromium.org>2021-02-24 14:36:54 -0700
committerMartin Roth <martinroth@google.com>2021-03-02 06:31:03 +0000
commit1037e341233a7ac87dbaf9e2544571b892a3262c (patch)
tree3be25a09dab6fde5bb46530681ad60d07b4fb4a7 /src/mainboard
parent4778590d159a13409e413556d32cbfea39ba207a (diff)
mb/google/guybrush: Add option to toggle GPIO for sign of life
Enabling the GPIO_SIGN_OF_LIFE option will allow for early boot testing. BUG=b:180721202 TEST=builds Change-Id: I069623ae76a4e4d1e43a47dd95fdfcece398ebfb Signed-off-by: Mathew King <mathewk@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/51069 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/guybrush/Kconfig7
-rw-r--r--src/mainboard/google/guybrush/bootblock.c12
2 files changed, 19 insertions, 0 deletions
diff --git a/src/mainboard/google/guybrush/Kconfig b/src/mainboard/google/guybrush/Kconfig
index bd4848ca88..46e8a5ab32 100644
--- a/src/mainboard/google/guybrush/Kconfig
+++ b/src/mainboard/google/guybrush/Kconfig
@@ -55,4 +55,11 @@ config MAINBOARD_FAMILY
string
default "Google_Guybrush"
+config GPIO_SIGN_OF_LIFE
+ def_bool n
+ help
+ Enable toggling GPIO 31 as a sign of life on Guybrush
+
+ TODO: Remove this option when board is booting
+
endif # BOARD_GOOGLE_BASEBOARD_GUYBRUSH
diff --git a/src/mainboard/google/guybrush/bootblock.c b/src/mainboard/google/guybrush/bootblock.c
index d7a30b0d11..5eacd0b9d0 100644
--- a/src/mainboard/google/guybrush/bootblock.c
+++ b/src/mainboard/google/guybrush/bootblock.c
@@ -2,6 +2,9 @@
#include <bootblock_common.h>
#include <baseboard/variants.h>
+#include <delay.h>
+#include <gpio.h>
+#include <soc/gpio.h>
void bootblock_mainboard_early_init(void)
{
@@ -10,4 +13,13 @@ void bootblock_mainboard_early_init(void)
gpios = variant_bootblock_gpio_table(&num_gpios);
program_gpios(gpios, num_gpios);
+
+ if (CONFIG(GPIO_SIGN_OF_LIFE)) {
+ for (int x = 0; x < 20; x++) {
+ gpio_set(GPIO_31, 1);
+ mdelay(10);
+ gpio_set(GPIO_31, 0);
+ mdelay(10);
+ }
+ }
}