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snow: Tidy up chromeos.c. 

Got rid of a lot of #defines, some of which were converted to enums and
the rest which were eliminated entirely. Got rid of cruft in
get_developer_mode_switch and started using it for the dev mode GPIO.
Instead of a macro defining how many GPIOs are expected, now the code
actually counts the GPIOs as they're added.

Change-Id: I97b6b9f52a72d1276eb3cf36d7f9dd7b335b4d19
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/3093
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Tested-by: build bot (Jenkins)
This commit is contained in:
Gabe Black 2013-04-15 18:22:11 -07:00
parent 7fa726a914
commit a5d914e47c
1 changed files with 51 additions and 50 deletions
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101
src/mainboard/google/snow/chromeos.c
View File

@ -17,6 +17,7 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <boot/coreboot_tables.h>
#include <console/console.h>
#include <ec/google/chromeec/ec.h>
#include <ec/google/chromeec/ec_commands.h>
@ -27,19 +28,16 @@
#include <cpu/samsung/exynos5250/gpio.h>
#include <cpu/samsung/exynos5-common/gpio.h>
#define ACTIVE_LOW 0
#define ACTIVE_HIGH 1
#define WP_GPIO 6
#define DEVMODE_GPIO 54
#define RECMODE_GPIO 0
#define FORCE_RECOVERY_MODE 0
#define FORCE_DEVELOPER_MODE 0
#define LID_OPEN 5
#define POWER_BUTTON 3
enum {
ACTIVE_LOW = 0,
ACTIVE_HIGH = 1
};
#include <boot/coreboot_tables.h>
#define GPIO_COUNT 6
enum {
WP_GPIO = 6,
RECMODE_GPIO = 0,
LID_GPIO = 5
};
static struct exynos5_gpio_part1 *gpio_pt1 =
(struct exynos5_gpio_part1 *)EXYNOS5_GPIO_PART1_BASE;
@ -48,62 +46,65 @@ static struct exynos5_gpio_part2 *gpio_pt2 =
void fill_lb_gpios(struct lb_gpios *gpios)
{
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
int count = 0;
/* Write Protect: active low */
gpios->gpios[0].port = EXYNOS5_GPD1;
gpios->gpios[0].polarity = ACTIVE_LOW;
gpios->gpios[0].value = s5p_gpio_get_value(&gpio_pt1->d1, WP_GPIO);
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
gpios->gpios[count].port = EXYNOS5_GPD1;
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value = s5p_gpio_get_value(&gpio_pt1->d1, WP_GPIO);
strncpy((char *)gpios->gpios[count].name, "write protect",
GPIO_MAX_NAME_LENGTH);
count++;
/* Recovery: active low */
gpios->gpios[1].port = -1;
gpios->gpios[1].polarity = ACTIVE_HIGH;
gpios->gpios[1].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
gpios->gpios[count].port = -1;
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[count].name, "recovery",
GPIO_MAX_NAME_LENGTH);
count++;
/* Lid: active high */
gpios->gpios[2].port = EXYNOS5_GPX3;
gpios->gpios[2].polarity = ACTIVE_HIGH;
gpios->gpios[2].value = s5p_gpio_get_value(&gpio_pt2->x3, LID_OPEN);
strncpy((char *)gpios->gpios[2].name,"lid", GPIO_MAX_NAME_LENGTH);
gpios->gpios[count].port = EXYNOS5_GPX3;
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = s5p_gpio_get_value(&gpio_pt2->x3, LID_GPIO);
strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH);
count++;
/* Power: virtual GPIO active low */
gpios->gpios[3].port = -1;
gpios->gpios[3].polarity = ACTIVE_LOW;
gpios->gpios[3].value = 1;
strncpy((char *)gpios->gpios[3].name,"power", GPIO_MAX_NAME_LENGTH);
gpios->gpios[count].port = -1;
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value = 1;
strncpy((char *)gpios->gpios[count].name, "power",
GPIO_MAX_NAME_LENGTH);
count++;
/* Developer: virtual GPIO active high */
gpios->gpios[4].port = -1;
gpios->gpios[4].polarity = ACTIVE_HIGH;
gpios->gpios[4].value = 0;
strncpy((char *)gpios->gpios[4].name,"developer",
GPIO_MAX_NAME_LENGTH);
gpios->gpios[count].port = -1;
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = get_developer_mode_switch();
strncpy((char *)gpios->gpios[count].name, "developer",
GPIO_MAX_NAME_LENGTH);
count++;
/* Was VGA Option ROM loaded? */
gpios->gpios[5].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = 0;
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
gpios->gpios[count].port = -1; /* This is a pseudo GPIO */
gpios->gpios[count].polarity = ACTIVE_HIGH;
gpios->gpios[count].value = 0;
strncpy((char *)gpios->gpios[count].name, "oprom",
GPIO_MAX_NAME_LENGTH);
count++;
printk(BIOS_ERR, "Added %d GPIOS size %d\n", GPIO_COUNT, gpios->size);
gpios->size = sizeof(*gpios) + (count * sizeof(struct lb_gpio));
gpios->count = count;
printk(BIOS_ERR, "Added %d GPIOS size %d\n", count, gpios->size);
}
int get_developer_mode_switch(void)
{
int dev_mode = 0;
printk(BIOS_DEBUG,"FORCING DEVELOPER MODE.\n");
dev_mode = 1;
printk(BIOS_DEBUG,"DEVELOPER MODE FROM GPIO %d: %x\n",DEVMODE_GPIO,
dev_mode);
return dev_mode;
return 0;
}
int get_recovery_mode_switch(void)