summaryrefslogtreecommitdiff
path: root/src/cpu/ti/am335x/uart.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/cpu/ti/am335x/uart.c')
-rw-r--r--src/cpu/ti/am335x/uart.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/src/cpu/ti/am335x/uart.c b/src/cpu/ti/am335x/uart.c
index 858926bc31..d398d9aba6 100644
--- a/src/cpu/ti/am335x/uart.c
+++ b/src/cpu/ti/am335x/uart.c
@@ -16,6 +16,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <stdlib.h>
#include <config.h>
#include <types.h>
#include <console/uart.h>
@@ -154,30 +155,36 @@ unsigned int uart_platform_refclk(void)
unsigned int uart_platform_base(int idx)
{
- return CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
+ const unsigned int bases[] = {
+ 0x44e09000, 0x48022000, 0x48024000,
+ 0x481a6000, 0x481a8000, 0x481aa000
+ };
+ if (idx < ARRAY_SIZE(bases))
+ return bases[idx];
+ return 0;
}
-void uart_init(void)
+void uart_init(int idx)
{
- struct am335x_uart *uart = uart_platform_baseptr(0);
+ struct am335x_uart *uart = uart_platform_baseptr(idx);
uint16_t div = (uint16_t) uart_baudrate_divisor(
default_baudrate(), uart_platform_refclk(), 16);
am335x_uart_init(uart, div);
}
-unsigned char uart_rx_byte(void)
+unsigned char uart_rx_byte(int idx)
{
- struct am335x_uart *uart = uart_platform_baseptr(0);
+ struct am335x_uart *uart = uart_platform_baseptr(idx);
return am335x_uart_rx_byte(uart);
}
-void uart_tx_byte(unsigned char data)
+void uart_tx_byte(int idx, unsigned char data)
{
- struct am335x_uart *uart = uart_platform_baseptr(0);
+ struct am335x_uart *uart = uart_platform_baseptr(idx);
am335x_uart_tx_byte(uart, data);
}
-void uart_tx_flush(void)
+void uart_tx_flush(int idx)
{
}
@@ -186,7 +193,7 @@ void uart_fill_lb(void *data)
{
struct lb_serial serial;
serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED;
- serial.baseaddr = uart_platform_base(0);
+ serial.baseaddr = uart_platform_base(CONFIG_UART_FOR_CONSOLE);
serial.baud = default_baudrate();
lb_add_serial(&serial, data);