diff options
| -rw-r--r-- | c/src/lib/libbsp/arm/lpc32xx/console/console-config.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/lpc32xx/console/console-config.c b/c/src/lib/libbsp/arm/lpc32xx/console/console-config.c index 812a2cc5b4..1230dfd12f 100644 --- a/c/src/lib/libbsp/arm/lpc32xx/console/console-config.c +++ b/c/src/lib/libbsp/arm/lpc32xx/console/console-config.c @@ -55,6 +55,14 @@ static void lpc32xx_uart_set_register(uintptr_t addr, uint8_t i, uint8_t val) #ifdef LPC32XX_UART_4_BAUD static bool lpc32xx_uart_probe_4(int minor) { + volatile lpc32xx_gpio *gpio = &lpc32xx.gpio; + + /* + * Set GPO_21/U4_TX/LCDVD[3] to U4_TX. This works only if LCD module is + * disabled. + */ + gpio->p2_mux_set = BSP_BIT32(2); + LPC32XX_UARTCLK_CTRL |= 1U << 1; LPC32XX_U4CLK = LPC32XX_CONFIG_U4CLK; |