Blackfin: serial: convert to portmux framework
Use the new portmux framework to handle the details when possible.
Unfortunately, we cannot yet use this in the standalone initialization
logic, so we need to keep around the old portmux writes for now.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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 @@
__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); \