diff options
| author | Hannah Williams <hannah.williams@intel.com> | 2016-01-22 23:04:05 -0800 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-01-28 20:41:28 +0100 |
| commit | 9657f3bb097ef5506d66a999118a4157ddadf7d5 (patch) | |
| tree | 1417b2dff0b9528c4dba9186f03ace4e46c4cd46 /src/mainboard | |
| parent | b1e4bd0d28bb65474c0a954374124f21cac05972 (diff) | |
intel/strago: Get Boot Flash Write Protect status
Read GPIO to get the status
Change-Id: Id2d56ce4b47c4cccba2de3f113afaee6c49885c9
Signed-off-by: Hannah Williams <hannah.williams@intel.com>
Reviewed-on: https://review.coreboot.org/13186
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/mainboard')
| -rwxr-xr-x | src/mainboard/intel/strago/chromeos.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/src/mainboard/intel/strago/chromeos.c b/src/mainboard/intel/strago/chromeos.c index 969021c32a..741933fccb 100755 --- a/src/mainboard/intel/strago/chromeos.c +++ b/src/mainboard/intel/strago/chromeos.c @@ -23,12 +23,11 @@ #include <ec/google/chromeec/ec.h> #endif #include <rules.h> -#include <soc/gpio.h> +#include <gpio.h> #include <string.h> #include <vendorcode/google/chromeos/chromeos.h> -/* The WP status pin lives on GPIO_SSUS_6 which is pad 36 in the SUS well. */ -#define WP_STATUS_PAD 36 +#define WP_GPIO GP_E_22 #if ENV_RAMSTAGE #include <boot/coreboot_tables.h> @@ -115,15 +114,14 @@ int get_write_protect_state(void) { /* * The vboot loader queries this function in romstage. The GPIOs have - * not been set up yet as that configuration is done in ramstage. The - * hardware defaults to an input but there is a 20K pulldown. Externally - * there is a 10K pullup. Disable the internal pull in romstage so that - * there isn't any ambiguity in the reading. + * not been set up yet as that configuration is done in ramstage. + * Configuring this GPIO as input so that there isn't any ambiguity + * in the reading. */ #if ENV_ROMSTAGE - ssus_disable_internal_pull(WP_STATUS_PAD); + gpio_input_pullup(WP_GPIO); #endif /* WP is enabled when the pin is reading high. */ - return ssus_get_gpio(WP_STATUS_PAD); + return !!gpio_get(WP_GPIO); } |