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rush: use names for gpios 

Instead of calling out the gpio index and port numbers use
real names. It's semantically clearer and there's only one
place to adjust the hardware values.

BUG=chrome-os-partner:31106
BRANCH=None
TEST=Built and booted.

Change-Id: I4a0bc034fe4f648b73ebf6389d8669fe15db1d8f
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 5f2af2e32903b3df64f3f25a42fb42b0b629152c
Original-Change-Id: I68c138b428abbd0c9bc60be0cfc70681528d7728
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/215542
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9027
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Aaron Durbin 2014-08-29 10:48:27 -05:00 committed by Patrick Georgi
parent d7f26b60bf
commit 45a1c949cb
3 changed files with 17 additions and 7 deletions
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10
src/mainboard/google/rush_ryu/chromeos.c
View File

@ -23,16 +23,16 @@
#include <ec/google/chromeec/ec_commands.h>
#include <string.h>
#include <vendorcode/google/chromeos/chromeos.h>
#include <soc/nvidia/tegra132/gpio.h>
#include "gpio.h"
void fill_lb_gpios(struct lb_gpios *gpios)
{
int count = 0;
/* Write Protect: active low */
gpios->gpios[count].port = GPIO_R1_INDEX;
gpios->gpios[count].port = WRITE_PROTECT_L_INDEX;
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value = gpio_get_in_value(GPIO(R1));
gpios->gpios[count].value = gpio_get_in_value(WRITE_PROTECT_L);
strncpy((char *)gpios->gpios[count].name, "write protect",
GPIO_MAX_NAME_LENGTH);
count++;
@ -48,7 +48,7 @@ void fill_lb_gpios(struct lb_gpios *gpios)
/* TODO(adurbin): add lid switch */
/* Power: active low */
gpios->gpios[count].port = GPIO_Q0_INDEX;
gpios->gpios[count].port = POWER_BUTTON_L_INDEX,
gpios->gpios[count].polarity = ACTIVE_LOW;
gpios->gpios[count].value = 1;
strncpy((char *)gpios->gpios[count].name, "power",
@ -85,5 +85,5 @@ int get_recovery_mode_switch(void)
int get_write_protect_state(void)
{
return !gpio_get_in_value(GPIO(R1));
return !gpio_get_in_value(WRITE_PROTECT_L);
}

10
src/mainboard/google/rush_ryu/gpio.h
View File

@ -40,6 +40,16 @@ enum {
MODEM_RESET = GPIO(S3),
MODEM_PWR_ON = GPIO(S4),
MDM_DET = GPIO(V1),
/* Warm reset */
AP_SYS_RESET_L = GPIO(I5),
/* Write Protect */
SPI_1V8_WP_L = GPIO(R1),
WRITE_PROTECT_L = SPI_1V8_WP_L,
WRITE_PROTECT_L_INDEX = GPIO_R1_INDEX,
/* Power Button */
BTN_AP_PWR_L = GPIO(Q0),
POWER_BUTTON_L = BTN_AP_PWR_L,
POWER_BUTTON_L_INDEX = GPIO_Q0_INDEX,
};
#endif /* __MAINBOARD_GOOGLE_RUSH_RYU_GPIO_H__ */

4
src/mainboard/google/rush_ryu/reset.c
View File

@ -19,10 +19,10 @@
#include <arch/io.h>
#include <reset.h>
#include <soc/nvidia/tegra132/gpio.h>
#include "gpio.h"
void hard_reset(void)
{
gpio_output(GPIO(I5), 0);
gpio_output(AP_SYS_RESET_L, 0);
while(1);
}