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Diffstat (limited to 'arch/blackfin/cpu/serial.h')
-rw-r--r--arch/blackfin/cpu/serial.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/blackfin/cpu/serial.h b/arch/blackfin/cpu/serial.h
index 5f9be86..f9e311f 100644
--- a/arch/blackfin/cpu/serial.h
+++ b/arch/blackfin/cpu/serial.h
@@ -26,6 +26,8 @@
#ifndef __ASSEMBLY__
+#include <asm/portmux.h>
+
#define LOB(x) ((x) & 0xFF)
#define HIB(x) (((x) >> 8) & 0xFF)
@@ -103,6 +105,23 @@ struct bfin_mmr_serial {
__attribute__((always_inline))
static inline void serial_do_portmux(void)
{
+ if (!BFIN_DEBUG_EARLY_SERIAL) {
+ const unsigned short pins[] = {
+#if CONFIG_UART_CONSOLE == 0
+ P_UART0_TX, P_UART0_RX,
+#elif CONFIG_UART_CONSOLE == 1
+ P_UART1_TX, P_UART1_RX,
+#elif CONFIG_UART_CONSOLE == 2
+ P_UART2_TX, P_UART2_RX,
+#elif CONFIG_UART_CONSOLE == 3
+ P_UART3_TX, P_UART3_RX,
+#endif
+ 0,
+ };
+ peripheral_request_list(pins, "bfin-uart");
+ return;
+ }
+
#if defined(__ADSPBF51x__)
# define DO_MUX(port, mux_tx, mux_rx, tx, rx) \
bfin_write_PORT##port##_MUX((bfin_read_PORT##port##_MUX() & ~(PORT_x_MUX_##mux_tx##_MASK | PORT_x_MUX_##mux_rx##_MASK)) | PORT_x_MUX_##mux_tx##_FUNC_2 | PORT_x_MUX_##mux_rx##_FUNC_2); \