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mb/google/guybrush: Add option to toggle GPIO for sign of life

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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>
This commit is contained in:
Mathew King
2021-02-24 14:36:54 -07:00
committed by Martin Roth
parent 4778590d15
commit 1037e34123
2 changed files with 19 additions and 0 deletions
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7
src/mainboard/google/guybrush/Kconfig
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@ -55,4 +55,11 @@ config MAINBOARD_FAMILY
string string
default "Google_Guybrush" 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 endif # BOARD_GOOGLE_BASEBOARD_GUYBRUSH

12
src/mainboard/google/guybrush/bootblock.c
View File

@ -2,6 +2,9 @@
#include <bootblock_common.h> #include <bootblock_common.h>
#include <baseboard/variants.h> #include <baseboard/variants.h>
#include <delay.h>
#include <gpio.h>
#include <soc/gpio.h>
void bootblock_mainboard_early_init(void) void bootblock_mainboard_early_init(void)
{ {
@ -10,4 +13,13 @@ void bootblock_mainboard_early_init(void)
gpios = variant_bootblock_gpio_table(&num_gpios); gpios = variant_bootblock_gpio_table(&num_gpios);
program_gpios(gpios, 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);
}
}
} }