lm3s1968: set the correct GPIO registers when enabling the peripheral clock for UART1...

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@3496 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/cpu/cortex-m3/drv/ser_lm3s.c b/bertos/cpu/cortex-m3/drv/ser_lm3s.c
index 89ce1322413e682a0c245660bf05299ae4126ba2..717ffa587499f2fc9de3fff1da8bb45816ca8cb4 100644 (file)
--- a/bertos/cpu/cortex-m3/drv/ser_lm3s.c
+++ b/bertos/cpu/cortex-m3/drv/ser_lm3s.c
@@ -61,6 +61,8 @@ static struct CM3Serial UARTDesc[SER_CNT];
 /* GPIO descriptor for UART pins */
 struct gpio_uart_info
 {
+       /* Sysctl */
+       uint32_t sysctl;
        /* GPIO base address register */
        uint32_t base;
        /* Pin(s) bitmask */
@@ -74,16 +76,19 @@ static const struct gpio_uart_info gpio_uart[SER_CNT] =
        {
                .base = GPIO_PORTA_BASE,
                .pins = BV(1) | BV(0),
+               .sysctl = SYSCTL_RCGC2_GPIOA,
        },
        /* UART1 */
        {
                .base = GPIO_PORTD_BASE,
                .pins = BV(3) | BV(2),
+               .sysctl = SYSCTL_RCGC2_GPIOD,
        },
        /* UART2 */
        {
                .base = GPIO_PORTG_BASE,
                .pins = BV(1) | BV(0),
+               .sysctl = SYSCTL_RCGC2_GPIOG,
        },
 };
 
@@ -153,7 +158,7 @@ void lm3s_uartInit(int port)
 
        /* Enable the peripheral clock */
        SYSCTL_RCGC1_R |= reg_clock;
-       SYSCTL_RCGC2_R |= SYSCTL_RCGC2_GPIOA;
+       SYSCTL_RCGC2_R |= gpio_uart[port].sysctl;
        lm3s_busyWait(512);
 
        /* Configure GPIO pins to work as UART pins */