X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=drivers%2Fserial%2Fmcfuart.c;h=d93b24b8970677e7331eaa4ca86c851783602003;hb=bd7bb6f8a3278caff0ac6eeaf08b188b9bb05dfc;hp=f54aabec2684e2757d8e177d05120572375d1a60;hpb=98c80b462f9532f3ff6a62dd9629023b48627a6d;p=people%2Fms%2Fu-boot.git diff --git a/drivers/serial/mcfuart.c b/drivers/serial/mcfuart.c index f54aabec26..d93b24b897 100644 --- a/drivers/serial/mcfuart.c +++ b/drivers/serial/mcfuart.c @@ -28,18 +28,22 @@ */ #include + #include #include DECLARE_GLOBAL_DATA_PTR; -#ifdef CONFIG_MCFSERIAL +extern void uart_port_conf(int port); + int serial_init(void) { volatile uart_t *uart; u32 counter; - uart = (volatile uart_t *)(CFG_UART_BASE); + uart = (volatile uart_t *)(CONFIG_SYS_UART_BASE); + + uart_port_conf(CONFIG_SYS_UART_PORT); /* write to SICR: SIM2 = uart mode,dcd does not affect rx */ uart->ucr = UART_UCR_RESET_RX; @@ -57,8 +61,8 @@ int serial_init(void) uart->umr = UART_UMR_SB_STOP_BITS_1; /* Setting up BaudRate */ - counter = (u32) (gd->bus_clk / (gd->baudrate)); - counter >>= 5; + counter = (u32) ((gd->bus_clk / 32) + (gd->baudrate / 2)); + counter = counter / gd->baudrate; /* write to CTUR: divide counter upper byte */ uart->ubg1 = (u8) ((counter & 0xff00) >> 8); @@ -72,7 +76,7 @@ int serial_init(void) void serial_putc(const char c) { - volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); + volatile uart_t *uart = (volatile uart_t *)(CONFIG_SYS_UART_BASE); if (c == '\n') serial_putc('\r'); @@ -92,7 +96,7 @@ void serial_puts(const char *s) int serial_getc(void) { - volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); + volatile uart_t *uart = (volatile uart_t *)(CONFIG_SYS_UART_BASE); /* Wait for a character to arrive. */ while (!(uart->usr & UART_USR_RXRDY)) ; @@ -101,18 +105,19 @@ int serial_getc(void) int serial_tstc(void) { - volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); + volatile uart_t *uart = (volatile uart_t *)(CONFIG_SYS_UART_BASE); return (uart->usr & UART_USR_RXRDY); } void serial_setbrg(void) { - volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); + volatile uart_t *uart = (volatile uart_t *)(CONFIG_SYS_UART_BASE); u32 counter; - counter = ((gd->bus_clk / gd->baudrate)) >> 5; - counter++; + /* Setting up BaudRate */ + counter = (u32) ((gd->bus_clk / 32) + (gd->baudrate / 2)); + counter = counter / gd->baudrate; /* write to CTUR: divide counter upper byte */ uart->ubg1 = ((counter & 0xff00) >> 8); @@ -124,4 +129,3 @@ void serial_setbrg(void) uart->ucr = UART_UCR_RX_ENABLED | UART_UCR_TX_ENABLED; } -#endif /* CONFIG_MCFSERIAL */