diff options
Diffstat (limited to 'arch/blackfin/cpu/serial.h')
-rw-r--r-- | arch/blackfin/cpu/serial.h | 19 |
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); \ |