/**
* Called by hook task every 1 sec
*/
static void led_second(void)
{
if (led_auto_control_is_enabled(EC_LED_ID_POWER_LED))
oak_led_set_power(system_get_board_version());
if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED))
oak_led_set_battery(system_get_board_version());
}
static int bat_led_set(enum led_color color, int on)
{
/* Before Rev5, it's active low; After that, it's active high */
if (system_get_board_version() < OAK_REV5)
on = !on;
switch (color) {
case BAT_LED_GREEN:
gpio_set_level(GPIO_BAT_LED0, on); /* BAT_LED_GREEN */
break;
case BAT_LED_ORANGE:
/* for rev2 or before */
gpio_set_level(GPIO_BAT_LED1, on); /* BAT_LED_ORANGE */
break;
case BAT_LED_RED:
/* for rev3 or later */
gpio_set_level(GPIO_BAT_LED1, on); /* BAT_LED_RED */
break;
case BAT_LED_AMBER:
/* for rev3 or later */
gpio_set_level(GPIO_BAT_LED0, on); /* BAT_LED_AMBER */
gpio_set_level(GPIO_BAT_LED1, on);
break;
case PWR_LED_GREEN:
gpio_set_level(GPIO_PWR_LED0, on); /* PWR_LED_GREEN */
break;
case PWR_LED_ORANGE:
gpio_set_level(GPIO_PWR_LED1, on); /* PWR_LED_ORANGE */
break;
default:
return EC_ERROR_UNKNOWN;
}
return EC_SUCCESS;
}
static void board_handle_reboot(void)
{
int flags;
if (system_jumped_to_this_image())
return;
if (system_get_board_version() < BOARD_MIN_ID_LOD_EN)
return;
/* Interrogate current reset flags from previous reboot. */
flags = system_get_reset_flags();
if (!(flags & PMIC_RESET_FLAGS))
return;
/* Preserve AP off request. */
if (flags & RESET_FLAG_AP_OFF)
chip_save_reset_flags(RESET_FLAG_AP_OFF);
ccprintf("Restarting system with PMIC.\n");
/* Flush console */
cflush();
/* Bring down all rails but RTC rail (including EC power). */
gpio_set_flags(GPIO_BATLOW_L_PMIC_LDO_EN, GPIO_OUT_HIGH);
while (1)
; /* wait here */
}
/* Initialize board. */
static void board_init(void)
{
/* Enable PD MCU interrupt */
gpio_enable_interrupt(GPIO_PD_MCU_INT);
/* Enable VBUS interrupt */
gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L);
gpio_enable_interrupt(GPIO_USB_C1_VBUS_WAKE_L);
/* Enable pericom BC1.2 interrupts */
gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L);
gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L);
/* Provide AC status to the PCH */
gpio_set_level(GPIO_PCH_ACOK, extpower_is_present());
/* Proto board workarounds */
if (system_get_board_version() == 0) {
/* Disable interrupt for SLP_S0 */
gpio_set_flags(GPIO_PCH_SLP_S0_L,
GPIO_INPUT | GPIO_PULL_DOWN);
/* Add internal pullup on PLATFORM_EC_PROCHOT */
gpio_set_flags(GPIO_PLATFORM_EC_PROCHOT,
GPIO_INPUT | GPIO_PULL_UP);
}
}
int host_command_get_board_version(struct host_cmd_handler_args *args)
{
struct ec_response_board_version *r = args->response;
r->board_version = (uint16_t) system_get_board_version();
args->response_size = sizeof(*r);
return EC_RES_SUCCESS;
}
static int command_version(int argc, char **argv)
{
ccprintf("Chip: %s %s %s\n", system_get_chip_vendor(),
system_get_chip_name(), system_get_chip_revision());
ccprintf("Board: %d\n", system_get_board_version());
ccprintf("RO: %s\n", system_get_version(SYSTEM_IMAGE_RO));
ccprintf("RW: %s\n", system_get_version(SYSTEM_IMAGE_RW));
ccprintf("Build: %s\n", system_get_build_info());
return EC_SUCCESS;
}
/**
* Set AP reset.
*
* PMIC_WARM_RESET_H (PB3) is connected to PMIC RESET before rev < 3.
* AP_RESET_L (PC3, CPU_WARM_RESET_L) is connected to PMIC SYSRSTB
* after rev >= 3.
*/
void board_set_ap_reset(int asserted)
{
if (system_get_board_version() < 3) {
/* Signal is active-high */
CPRINTS("pmic warm reset(%d)", asserted);
gpio_set_level(GPIO_PMIC_WARM_RESET_H, asserted);
} else {
/* Signal is active-low */
CPRINTS("ap warm reset(%d)", asserted);
gpio_set_level(GPIO_AP_RESET_L, !asserted);
}
}
