diff options
Diffstat (limited to 'board/cr50/gpio.inc')
| -rw-r--r-- | board/cr50/gpio.inc | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/board/cr50/gpio.inc b/board/cr50/gpio.inc index fa4629b539..293c8207a4 100644 --- a/board/cr50/gpio.inc +++ b/board/cr50/gpio.inc @@ -18,15 +18,15 @@ GPIO_INT(SYS_RST_L_IN, PIN(1, 0), GPIO_INT_FALLING, sys_rst_asserted) GPIO_INT(AP_ON, PIN(1, 1), GPIO_INT_RISING, device_state_on) GPIO_INT(EC_ON, PIN(1, 2), GPIO_INT_RISING, device_state_on) GPIO_INT(SERVO_UART1_ON, PIN(1, 3), GPIO_INT_RISING | GPIO_PULL_DOWN, - device_state_on) + device_state_on) GPIO_INT(SERVO_UART2_ON, PIN(1, 4), GPIO_INT_RISING | GPIO_PULL_DOWN, - device_state_on) + device_state_on) GPIO_INT(AP_OFF, PIN(1, 5), GPIO_INT_FALLING, device_state_off) GPIO_INT(EC_OFF, PIN(1, 6), GPIO_INT_FALLING, device_state_off) GPIO_INT(SERVO_UART1_OFF, PIN(1, 7), GPIO_INT_FALLING | GPIO_PULL_DOWN, - device_state_off) + device_state_off) GPIO_INT(SERVO_UART2_OFF, PIN(1, 8), GPIO_INT_FALLING | GPIO_PULL_DOWN, - device_state_off) + device_state_off) /* Pull this low to interrupt the AP */ GPIO(INT_AP_L, PIN(0, 0), GPIO_INPUT) @@ -83,13 +83,16 @@ PINMUX(GPIO(STRAP0), A1, DIO_INPUT) /* UARTs */ PINMUX(FUNC(UART0_TX), A0, DIO_OUTPUT) /* Cr50 console */ +/* PINMUX(FUNC(UART0_RX), A13, DIO_INPUT | DIO_WAKE_LOW) */ /* - * UART0_RX should only be used for debugging purposes. There is no internal - * pull up on DIOA13, so make sure there is an external pull up. If there is - * no external pull up cr50 will be held in UART0RX interrupts and will - * constantly reboot. + * TODO(crosbug.com/p/56540): Enable UART0_RX when possible. + * At the moment, UART0_RX should only be used for debugging purposes. + * If there is no external pull up on DIOA13, Cr50 can get continual UART0_RX + * interrupts and will constantly reboot. Not all boards have that pullup. * UART0_RX = DIOA13 - * + */ + +/* * UART1_TX and UART2_TX are configured in usart.c. They are not set as outputs * here in order to avoid interfering with servo. They can be controlled using * the 'uart' console command. |