diff options
Diffstat (limited to 'src/cpu/allwinner/a10/uart_console.c')
-rw-r--r-- | src/cpu/allwinner/a10/uart_console.c | 48 |
1 files changed, 14 insertions, 34 deletions
diff --git a/src/cpu/allwinner/a10/uart_console.c b/src/cpu/allwinner/a10/uart_console.c index d6b91e763a..bb5f41c312 100644 --- a/src/cpu/allwinner/a10/uart_console.c +++ b/src/cpu/allwinner/a10/uart_console.c @@ -14,28 +14,13 @@ #include <cpu/allwinner/a10/uart.h> -static void *get_console_uart_base_addr(void) +unsigned int uart_platform_base(int idx) { - /* This big block gets compiled to a constant, not a function call */ - if (CONFIG_CONSOLE_SERIAL_UART0) - return (void *)A1X_UART0_BASE; - else if (CONFIG_CONSOLE_SERIAL_UART1) - return (void *)A1X_UART1_BASE; - else if (CONFIG_CONSOLE_SERIAL_UART2) - return (void *)A1X_UART2_BASE; - else if (CONFIG_CONSOLE_SERIAL_UART3) - return (void *)A1X_UART3_BASE; - else if (CONFIG_CONSOLE_SERIAL_UART4) - return (void *)A1X_UART4_BASE; - else if (CONFIG_CONSOLE_SERIAL_UART5) - return (void *)A1X_UART5_BASE; - else if (CONFIG_CONSOLE_SERIAL_UART6) - return (void *)A1X_UART6_BASE; - else if (CONFIG_CONSOLE_SERIAL_UART7) - return (void *)A1X_UART7_BASE; - - /* If selection is invalid, default to UART0 */ - return (void *)A1X_UART0_BASE; + /* UART blocks are mapped 0x400 bytes apart */ + if (idx < 8) + return A1X_UART0_BASE + 0x400 * idx; + else + return 0; } /* FIXME: We assume clock is 24MHz, which may not be the case. */ @@ -44,14 +29,9 @@ unsigned int uart_platform_refclk(void) return 24000000; } -unsigned int uart_platform_base(int idx) -{ - return (unsigned int)get_console_uart_base_addr(); -} - -void uart_init(void) +void uart_init(int idx) { - void *uart_base = get_console_uart_base_addr(); + void *uart_base = uart_platform_baseptr(idx); /* Use default 8N1 encoding */ a10_uart_configure(uart_base, default_baudrate(), @@ -59,17 +39,17 @@ void uart_init(void) a10_uart_enable_fifos(uart_base); } -unsigned char uart_rx_byte(void) +unsigned char uart_rx_byte(int idx) { - return a10_uart_rx_blocking(get_console_uart_base_addr()); + return a10_uart_rx_blocking(uart_platform_baseptr(idx)); } -void uart_tx_byte(unsigned char data) +void uart_tx_byte(int idx, unsigned char data) { - a10_uart_tx_blocking(get_console_uart_base_addr(), data); + a10_uart_tx_blocking(uart_platform_baseptr(idx), data); } -void uart_tx_flush(void) +void uart_tx_flush(int idx) { } @@ -78,7 +58,7 @@ 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); |