google/deltaur,drallion,sarien: Refactor ChromeOS GPIOs

Low-level GPIOs should not depend on late cros_gpios that
should be guarded with CHROMEOS and implemented for the
purpose of ACPI \OIPG package generation.

Change-Id: Ibe708330504bc819e312eddaf5dfe4016cda21a1
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59004
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Kyösti Mälkki 2021-11-05 16:48:58 +02:00
parent 4bcc275d71
commit 09a66ace7e
3 changed files with 21 additions and 66 deletions

View File

@ -33,24 +33,14 @@ void fill_lb_gpios(struct lb_gpios *gpios)
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
static int cros_get_gpio_value(int type)
int get_write_protect_state(void)
{
const struct cros_gpio *cros_gpios;
size_t i, num_gpios = 0;
return gpio_get(GPIO_PCH_WP);
}
cros_gpios = variant_cros_gpios(&num_gpios);
for (i = 0; i < num_gpios; i++) {
const struct cros_gpio *gpio = &cros_gpios[i];
if (gpio->type == type) {
int state = gpio_get(gpio->gpio_num);
if (gpio->polarity == CROS_GPIO_ACTIVE_LOW)
return !state;
else
return state;
}
}
return 0;
static bool raw_get_recovery_mode_switch(void)
{
return !gpio_get(GPIO_REC_MODE);
}
void mainboard_chromeos_acpi_generate(void)
@ -63,11 +53,6 @@ void mainboard_chromeos_acpi_generate(void)
chromeos_acpi_gpio_generate(cros_gpios, num_gpios);
}
int get_write_protect_state(void)
{
return cros_get_gpio_value(CROS_GPIO_WP);
}
int get_recovery_mode_switch(void)
{
static enum rec_mode_state saved_rec_mode = REC_MODE_UNINITIALIZED;
@ -93,7 +78,7 @@ int get_recovery_mode_switch(void)
state = REC_MODE_REQUESTED;
/* Read state from the GPIO controlled by servo. */
if (cros_get_gpio_value(CROS_GPIO_REC))
if (raw_get_recovery_mode_switch())
state = REC_MODE_REQUESTED;
/* Store the state in case this is called again in verstage. */

View File

@ -31,24 +31,14 @@ void fill_lb_gpios(struct lb_gpios *gpios)
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
static int cros_get_gpio_value(int type)
int get_write_protect_state(void)
{
const struct cros_gpio *cros_gpios;
size_t i, num_gpios = 0;
return gpio_get(GPP_E15);
}
cros_gpios = variant_cros_gpios(&num_gpios);
for (i = 0; i < num_gpios; i++) {
const struct cros_gpio *gpio = &cros_gpios[i];
if (gpio->type == type) {
int state = gpio_get(gpio->gpio_num);
if (gpio->polarity == CROS_GPIO_ACTIVE_LOW)
return !state;
else
return state;
}
}
return 0;
static bool raw_get_recovery_mode_switch(void)
{
return !gpio_get(GPP_E8);
}
void mainboard_chromeos_acpi_generate(void)
@ -61,11 +51,6 @@ void mainboard_chromeos_acpi_generate(void)
chromeos_acpi_gpio_generate(cros_gpios, num_gpios);
}
int get_write_protect_state(void)
{
return cros_get_gpio_value(CROS_GPIO_WP);
}
int get_recovery_mode_switch(void)
{
static enum rec_mode_state saved_rec_mode = REC_MODE_UNINITIALIZED;
@ -91,7 +76,7 @@ int get_recovery_mode_switch(void)
state = REC_MODE_REQUESTED;
/* Read state from the GPIO controlled by servo. */
if (cros_get_gpio_value(CROS_GPIO_REC))
if (raw_get_recovery_mode_switch())
state = REC_MODE_REQUESTED;
/* Store the state in case this is called again in verstage. */

View File

@ -29,24 +29,14 @@ void fill_lb_gpios(struct lb_gpios *gpios)
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
static int cros_get_gpio_value(int type)
int get_write_protect_state(void)
{
const struct cros_gpio *cros_gpios;
size_t i, num_gpios = 0;
return gpio_get(GPP_E15);
}
cros_gpios = variant_cros_gpios(&num_gpios);
for (i = 0; i < num_gpios; i++) {
const struct cros_gpio *gpio = &cros_gpios[i];
if (gpio->type == type) {
int state = gpio_get(gpio->gpio_num);
if (gpio->polarity == CROS_GPIO_ACTIVE_LOW)
return !state;
else
return state;
}
}
return 0;
static bool raw_get_recovery_mode_switch(void)
{
return !gpio_get(GPP_E8);
}
void mainboard_chromeos_acpi_generate(void)
@ -59,11 +49,6 @@ void mainboard_chromeos_acpi_generate(void)
chromeos_acpi_gpio_generate(cros_gpios, num_gpios);
}
int get_write_protect_state(void)
{
return cros_get_gpio_value(CROS_GPIO_WP);
}
int get_recovery_mode_switch(void)
{
static enum rec_mode_state saved_rec_mode = REC_MODE_UNINITIALIZED;
@ -89,7 +74,7 @@ int get_recovery_mode_switch(void)
state = REC_MODE_REQUESTED;
/* Read state from the GPIO controlled by servo. */
if (cros_get_gpio_value(CROS_GPIO_REC))
if (raw_get_recovery_mode_switch())
state = REC_MODE_REQUESTED;
/* Store the state in case this is called again in verstage. */