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authorTsiChung Liew <tsicliew@gmail.com>2010-03-09 19:17:52 -0600
committerTsiChung Liew <tsicliew@gmail.com>2010-03-24 11:09:05 -0500
commit52affe04fa5493597d8a5f6202507190950a32e6 (patch)
tree257449a1a8179215731e313e5744ed8830767628 /cpu/mcf523x/cpu_init.c
parentd04c1efae3d834db6e21e9976e338bf1e588e987 (diff)
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ColdFire: Update processors' serial port configuration
Provide parameter passing to uart_port_config(). Update port configuration - un-mask it before enable the bits. Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
Diffstat (limited to 'cpu/mcf523x/cpu_init.c')
-rw-r--r--cpu/mcf523x/cpu_init.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/cpu/mcf523x/cpu_init.c b/cpu/mcf523x/cpu_init.c
index 3c04fd4..0f299f0 100644
--- a/cpu/mcf523x/cpu_init.c
+++ b/cpu/mcf523x/cpu_init.c
@@ -130,21 +130,32 @@ int cpu_init_r(void)
return (0);
}
-void uart_port_conf(void)
+void uart_port_conf(int port)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
/* Setup Ports: */
- switch (CONFIG_SYS_UART_PORT) {
+ switch (port) {
case 0:
- gpio->par_uart = (GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD);
+ gpio->par_uart &= ~(GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD);
+ gpio->par_uart |= (GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD);
break;
case 1:
- gpio->par_uart =
- (GPIO_PAR_UART_U1RXD_U1RXD | GPIO_PAR_UART_U1TXD_U1TXD);
+ gpio->par_uart &=
+ ~(GPIO_PAR_UART_U1RXD_MASK | GPIO_PAR_UART_U1TXD_MASK);
+ gpio->par_uart |=
+ (GPIO_PAR_UART_U1RXD_U1RXD | GPIO_PAR_UART_U1TXD_U1TXD);
break;
case 2:
- gpio->par_timer = (GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD);
+#ifdef CONFIG_SYS_UART2_PRI_GPIO
+ gpio->par_uart &= ~(GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD);
+ gpio->par_uart |= (GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD);
+#elif defined(CONFIG_SYS_UART2_ALT1_GPIO)
+ gpio->feci2c &=
+ ~(GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK);
+ gpio->feci2c |=
+ (GPIO_PAR_FECI2C_EMDC_U2TXD | GPIO_PAR_FECI2C_EMDIO_U2RXD);
+#endif
break;
}
}
@@ -156,7 +167,8 @@ int fecpin_setclear(struct eth_device *dev, int setclear)
if (setclear) {
gpio->par_feci2c |=
- (GPIO_PAR_FECI2C_EMDC_FECEMDC | GPIO_PAR_FECI2C_EMDIO_FECEMDIO);
+ (GPIO_PAR_FECI2C_EMDC_FECEMDC |
+ GPIO_PAR_FECI2C_EMDIO_FECEMDIO);
} else {
gpio->par_feci2c &=
~(GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK);