diff options
Diffstat (limited to 'drivers/serial/bfin_5xx.c')
| -rw-r--r-- | drivers/serial/bfin_5xx.c | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 5039e2675abc..3f39e1814693 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -86,10 +86,8 @@ static void bfin_serial_stop_tx(struct uart_port *port) { struct bfin_serial_port *uart = (struct bfin_serial_port *)port; -#ifdef CONFIG_BF54x while (!(UART_GET_LSR(uart) & TEMT)) continue; -#endif #ifdef CONFIG_SERIAL_BFIN_DMA disable_dma(uart->tx_dma_channel); @@ -128,8 +126,8 @@ static void bfin_serial_start_tx(struct uart_port *port) ier = UART_GET_IER(uart); ier |= ETBEI; UART_PUT_IER(uart, ier); - bfin_serial_tx_chars(uart); #endif + bfin_serial_tx_chars(uart); #endif } @@ -139,18 +137,21 @@ static void bfin_serial_start_tx(struct uart_port *port) static void bfin_serial_stop_rx(struct uart_port *port) { struct bfin_serial_port *uart = (struct bfin_serial_port *)port; +#ifdef CONFIG_KGDB_UART + if (uart->port.line != CONFIG_KGDB_UART_PORT) { +#endif #ifdef CONFIG_BF54x UART_CLEAR_IER(uart, ERBFI); #else unsigned short ier; ier = UART_GET_IER(uart); -#ifdef CONFIG_KGDB_UART - if (uart->port.line != CONFIG_KGDB_UART_PORT) -#endif ier &= ~ERBFI; UART_PUT_IER(uart, ier); #endif +#ifdef CONFIG_KGDB_UART + } +#endif } /* @@ -175,8 +176,11 @@ void kgdb_put_debug_char(int chr) while (!(UART_GET_LSR(uart) & THRE)) { SSYNC(); } + +#ifndef CONFIG_BF54x UART_PUT_LCR(uart, UART_GET_LCR(uart)&(~DLAB)); SSYNC(); +#endif UART_PUT_CHAR(uart, (unsigned char)chr); SSYNC(); } @@ -194,8 +198,10 @@ int kgdb_get_debug_char(void) while(!(UART_GET_LSR(uart) & DR)) { SSYNC(); } +#ifndef CONFIG_BF54x UART_PUT_LCR(uart, UART_GET_LCR(uart)&(~DLAB)); SSYNC(); +#endif chr = UART_GET_CHAR(uart); SSYNC(); @@ -697,17 +703,19 @@ static int bfin_serial_startup(struct uart_port *port) uart->rx_dma_timer.expires = jiffies + DMA_RX_FLUSH_JIFFIES; add_timer(&(uart->rx_dma_timer)); #else + if (request_irq(uart->port.irq, bfin_serial_rx_int, IRQF_DISABLED, + "BFIN_UART_RX", uart)) { # ifdef CONFIG_KGDB_UART - if (uart->port.line != CONFIG_KGDB_UART_PORT && request_irq -# else - if (request_irq + if (uart->port.line != CONFIG_KGDB_UART_PORT) { # endif - (uart->port.irq, bfin_serial_rx_int, IRQF_DISABLED, - "BFIN_UART_RX", uart)) { printk(KERN_NOTICE "Unable to attach BlackFin UART RX interrupt\n"); return -EBUSY; +# ifdef CONFIG_KGDB_UART + } +# endif } + if (request_irq (uart->port.irq+1, bfin_serial_tx_int, IRQF_DISABLED, "BFIN_UART_TX", uart)) { @@ -1154,10 +1162,6 @@ struct console __init *bfin_earlyserial_init(unsigned int port, port = 0; bfin_serial_init_ports(); bfin_early_serial_console.index = port; -#ifdef CONFIG_KGDB_UART - kgdb_entry_state = 0; - init_kgdb_uart(); -#endif uart = &bfin_serial_ports[port]; t.c_cflag = cflag; t.c_iflag = 0; @@ -1255,7 +1259,7 @@ static int __init bfin_serial_init(void) int ret; #ifdef CONFIG_KGDB_UART struct bfin_serial_port *uart = &bfin_serial_ports[CONFIG_KGDB_UART_PORT]; - struct termios t; + struct ktermios t; #endif pr_info("Serial: Blackfin serial driver\n"); @@ -1272,10 +1276,14 @@ static int __init bfin_serial_init(void) } #ifdef CONFIG_KGDB_UART if (uart->port.cons->index != CONFIG_KGDB_UART_PORT) { - request_irq(uart->port.irq, bfin_serial_int, + request_irq(uart->port.irq, bfin_serial_rx_int, IRQF_DISABLED, "BFIN_UART_RX", uart); pr_info("Request irq for kgdb uart port\n"); +#ifdef CONFIG_BF54x + UART_SET_IER(uart, ERBFI); +#else UART_PUT_IER(uart, UART_GET_IER(uart) | ERBFI); +#endif SSYNC(); t.c_cflag = CS8|B57600; t.c_iflag = 0; |