diff options
Diffstat (limited to 'src/mainboard/google/gale/chromeos.c')
| -rw-r--r-- | src/mainboard/google/gale/chromeos.c | 49 |
1 files changed, 38 insertions, 11 deletions
diff --git a/src/mainboard/google/gale/chromeos.c b/src/mainboard/google/gale/chromeos.c index beeb2a5f18..06b3d8537b 100644 --- a/src/mainboard/google/gale/chromeos.c +++ b/src/mainboard/google/gale/chromeos.c @@ -25,13 +25,36 @@ #include <timer.h> #include <vendorcode/google/chromeos/chromeos.h> -#define DEV_SW 41 +#define DEV_SW 41 #define DEV_POL ACTIVE_LOW -#define REC_SW 7 #define REC_POL ACTIVE_LOW -#define WP_SW 6 -#define WP_POL ACTIVE_LOW +#define WP_POL ACTIVE_LOW +static int get_rec_sw_gpio_pin(void) +{ + uint8_t board_rev = board_id(); + switch (board_rev) { + case BOARD_ID_GALE_EVT: + case BOARD_ID_GALE_EVT2: + return 7; + case BOARD_ID_GALE_EVT3: + default: + return 57; + } +} + +static int get_wp_status_gpio_pin(void) +{ + uint8_t board_rev = board_id(); + switch (board_rev) { + case BOARD_ID_GALE_EVT: + case BOARD_ID_GALE_EVT2: + return 6; + case BOARD_ID_GALE_EVT3: + default: + return 53; + } +} static int read_gpio(gpio_t gpio_num) { gpio_tlmm_config_set(gpio_num, GPIO_FUNC_DISABLE, @@ -43,9 +66,11 @@ static int read_gpio(gpio_t gpio_num) void fill_lb_gpios(struct lb_gpios *gpios) { struct lb_gpio chromeos_gpios[] = { - {DEV_SW, ACTIVE_LOW, read_gpio(DEV_SW), "developer"}, - {REC_SW, ACTIVE_LOW, read_gpio(REC_SW), "recovery"}, - {WP_SW, ACTIVE_LOW, read_gpio(WP_SW), "write protect"}, + {DEV_SW, DEV_POL, read_gpio(DEV_SW), "developer"}, + {get_rec_sw_gpio_pin(), REC_POL, + read_gpio(get_rec_sw_gpio_pin()), "recovery"}, + {get_wp_status_gpio_pin(), WP_POL, + read_gpio(get_wp_status_gpio_pin()), "write protect"}, {-1, ACTIVE_LOW, 1, "power"}, {-1, ACTIVE_LOW, 0, "lid"}, }; @@ -88,12 +113,14 @@ static enum switch_state get_switch_state(void) { struct stopwatch sw; int sampled_value; + uint8_t rec_sw; static enum switch_state saved_state = not_probed; if (saved_state != not_probed) return saved_state; - sampled_value = read_gpio(REC_SW) ^ !REC_POL; + rec_sw = get_rec_sw_gpio_pin(); + sampled_value = read_gpio(rec_sw) ^ !REC_POL; if (!sampled_value) { saved_state = no_req; @@ -107,7 +134,7 @@ static enum switch_state get_switch_state(void) stopwatch_init_msecs_expire(&sw, WIPEOUT_MODE_DELAY_MS); do { - sampled_value = read_gpio(REC_SW) ^ !REC_POL; + sampled_value = read_gpio(rec_sw) ^ !REC_POL; if (!sampled_value) break; } while (!stopwatch_expired(&sw)); @@ -117,7 +144,7 @@ static enum switch_state get_switch_state(void) printk(BIOS_INFO, "wipeout requested, checking recovery\n"); stopwatch_init_msecs_expire(&sw, RECOVERY_MODE_EXTRA_DELAY_MS); do { - sampled_value = read_gpio(REC_SW) ^ !REC_POL; + sampled_value = read_gpio(rec_sw) ^ !REC_POL; if (!sampled_value) break; } while (!stopwatch_expired(&sw)); @@ -149,5 +176,5 @@ int get_wipeout_mode_switch(void) int get_write_protect_state(void) { - return read_gpio(WP_SW) ^ !WP_POL; + return read_gpio(get_wp_status_gpio_pin()) ^ !WP_POL; } |