-#endif /* CONFIG_405EP */
- tmp = gd->baudrate * udiv * 16;
- bdiv = (clk + tmp / 2) / tmp;
-#endif /* CONFIG_405EX */
-
- serial_init_common(base, udiv, bdiv);
-
- return (0);
-}
-
-#endif /* if defined(CONFIG_440) */
-
-void serial_setbrg_dev(unsigned long base)
-{
- serial_init_dev(base);
-}
-
-void serial_putc_dev(unsigned long base, const char c)
-{
- int i;
-
- if (c == '\n')
- serial_putc_dev(base, '\r');
-
- /* check THRE bit, wait for transmiter available */
- for (i = 1; i < 3500; i++) {
- if ((in_8((u8 *)base + UART_LSR) & 0x20) == 0x20)
- break;
- udelay (100);
- }
-
- out_8((u8 *)base + UART_THR, c); /* put character out */
-}
-
-void serial_puts_dev (unsigned long base, const char *s)
-{
- while (*s)
- serial_putc_dev (base, *s++);
-}
-
-int serial_getc_dev (unsigned long base)
-{
- unsigned char status = 0;
-
- while (1) {
-#if defined(CONFIG_HW_WATCHDOG)
- WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */
-#endif /* CONFIG_HW_WATCHDOG */
-
- status = in_8((u8 *)base + UART_LSR);
- if ((status & asyncLSRDataReady1) != 0x0)
- break;
-
- if ((status & ( asyncLSRFramingError1 |
- asyncLSROverrunError1 |
- asyncLSRParityError1 |
- asyncLSRBreakInterrupt1 )) != 0) {
- out_8((u8 *)base + UART_LSR,
- asyncLSRFramingError1 |
- asyncLSROverrunError1 |
- asyncLSRParityError1 |
- asyncLSRBreakInterrupt1);
- }
- }
-
- return (0x000000ff & (int) in_8((u8 *)base));
-}
-
-int serial_tstc_dev (unsigned long base)
-{
- unsigned char status;
-
- status = in_8((u8 *)base + UART_LSR);
- if ((status & asyncLSRDataReady1) != 0x0)
- return (1);
-
- if ((status & ( asyncLSRFramingError1 |
- asyncLSROverrunError1 |
- asyncLSRParityError1 |
- asyncLSRBreakInterrupt1 )) != 0) {
- out_8((u8 *)base + UART_LSR,
- asyncLSRFramingError1 |
- asyncLSROverrunError1 |
- asyncLSRParityError1 |
- asyncLSRBreakInterrupt1);
- }
-
- return 0;
-}
-
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
-
-void serial_isr (void *arg)
-{
- int space;
- int c;
- const int rx_get = buf_info.rx_get;
- int rx_put = buf_info.rx_put;
-
- if (rx_get <= rx_put)
- space = CONFIG_SERIAL_SOFTWARE_FIFO - (rx_put - rx_get);
- else
- space = rx_get - rx_put;
-
- while (serial_tstc_dev (ACTING_UART0_BASE)) {
- c = serial_getc_dev (ACTING_UART0_BASE);
- if (space) {
- buf_info.rx_buffer[rx_put++] = c;
- space--;
- }
- if (rx_put == CONFIG_SERIAL_SOFTWARE_FIFO)
- rx_put = 0;
- if (space < CONFIG_SERIAL_SOFTWARE_FIFO / 4) {
- /* Stop flow by setting RTS inactive */
- out_8((u8 *)ACTING_UART0_BASE + UART_MCR,
- in_8((u8 *)ACTING_UART0_BASE + UART_MCR) &
- (0xFF ^ 0x02));
- }
- }
- buf_info.rx_put = rx_put;
-}
-
-void serial_buffered_init (void)
-{
- serial_puts ("Switching to interrupt driven serial input mode.\n");
- buf_info.rx_buffer = malloc (CONFIG_SERIAL_SOFTWARE_FIFO);
- buf_info.rx_put = 0;
- buf_info.rx_get = 0;
-
- if (in_8((u8 *)ACTING_UART0_BASE + UART_MSR) & 0x10)
- serial_puts ("Check CTS signal present on serial port: OK.\n");
- else
- serial_puts ("WARNING: CTS signal not present on serial port.\n");
-
- irq_install_handler ( VECNUM_U0 /*UART0 */ /*int vec */ ,
- serial_isr /*interrupt_handler_t *handler */ ,
- (void *) &buf_info /*void *arg */ );
-
- /* Enable "RX Data Available" Interrupt on UART */
- out_8(ACTING_UART0_BASE + UART_IER, 0x01);
- /* Set DTR active */
- out_8(ACTING_UART0_BASE + UART_MCR,
- in_8((u8 *)ACTING_UART0_BASE + UART_MCR) | 0x01);
- /* Start flow by setting RTS active */
- out_8(ACTING_UART0_BASE + UART_MCR,
- in_8((u8 *)ACTING_UART0_BASE + UART_MCR) | 0x02);
- /* Setup UART FIFO: RX trigger level: 4 byte, Enable FIFO */
- out_8(ACTING_UART0_BASE + UART_FCR, (1 << 6) | 1);
-}
-
-void serial_buffered_putc (const char c)
-{
- /* Wait for CTS */
-#if defined(CONFIG_HW_WATCHDOG)
- while (!(in_8((u8 *)ACTING_UART0_BASE + UART_MSR) & 0x10))
- WATCHDOG_RESET ();
-#else
- while (!(in_8((u8 *)ACTING_UART0_BASE + UART_MSR) & 0x10));
-#endif
- serial_putc (c);
-}
-
-void serial_buffered_puts (const char *s)
-{
- serial_puts (s);
-}
-
-int serial_buffered_getc (void)
-{
- int space;
- int c;
- int rx_get = buf_info.rx_get;
- int rx_put;
-
-#if defined(CONFIG_HW_WATCHDOG)
- while (rx_get == buf_info.rx_put)
- WATCHDOG_RESET ();