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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-12-18 10:45:13 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-12-18 11:22:17 +0100 |
| commit | 380628ea0581c83dd3d34715f54cbd9bcdc9b96d (patch) | |
| tree | 2d419a37ab85a9ef5870d739f5010097effedb20 | |
| parent | bsp/lpc32xx: Fix function prototype (diff) | |
| download | rtems-380628ea0581c83dd3d34715f54cbd9bcdc9b96d.tar.bz2 | |
bsp/lpc32xx: Configure U4_TX pin for UART 4
| -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; |