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-rw-r--r--package/uboot-ifxmips/files/cpu/mips/danube/au1x00_serial.c135
1 files changed, 0 insertions, 135 deletions
diff --git a/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_serial.c b/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_serial.c
deleted file mode 100644
index 42c668ee3d..0000000000
--- a/package/uboot-ifxmips/files/cpu/mips/danube/au1x00_serial.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * AU1X00 UART support
- *
- * Hardcoded to UART 0 for now
- * Speed and options also hardcoded to 115200 8N1
- *
- * Copyright (c) 2003 Thomas.Lange@corelatus.se
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <config.h>
-
-#ifdef CONFIG_AU1X00
-
-#include <common.h>
-#include <asm/au1x00.h>
-
-/******************************************************************************
-*
-* serial_init - initialize a channel
-*
-* This routine initializes the number of data bits, parity
-* and set the selected baud rate. Interrupts are disabled.
-* Set the modem control signals if the option is selected.
-*
-* RETURNS: N/A
-*/
-
-int serial_init (void)
-{
- volatile u32 *uart_fifoctl = (volatile u32*)(UART0_ADDR+UART_FCR);
- volatile u32 *uart_enable = (volatile u32*)(UART0_ADDR+UART_ENABLE);
-
- /* Enable clocks first */
- *uart_enable = UART_EN_CE;
-
- /* Then release reset */
- /* Must release reset before setting other regs */
- *uart_enable = UART_EN_CE|UART_EN_E;
-
- /* Activate fifos, reset tx and rx */
- /* Set tx trigger level to 12 */
- *uart_fifoctl = UART_FCR_ENABLE_FIFO|UART_FCR_CLEAR_RCVR|
- UART_FCR_CLEAR_XMIT|UART_FCR_T_TRIGGER_12;
-
- serial_setbrg();
-
- return 0;
-}
-
-
-void serial_setbrg (void)
-{
- volatile u32 *uart_clk = (volatile u32*)(UART0_ADDR+UART_CLK);
- volatile u32 *uart_lcr = (volatile u32*)(UART0_ADDR+UART_LCR);
- volatile u32 *sys_powerctrl = (u32 *)SYS_POWERCTRL;
- int sd;
- int divisorx2;
-
- /* sd is system clock divisor */
- /* see section 10.4.5 in au1550 datasheet */
- sd = (*sys_powerctrl & 0x03) + 2;
-
- /* calulate 2x baudrate and round */
- divisorx2 = ((CFG_HZ/(sd * 16 * CONFIG_BAUDRATE)));
-
- if (divisorx2 & 0x01)
- divisorx2 = divisorx2 + 1;
-
- *uart_clk = divisorx2 / 2;
-
- /* Set parity, stop bits and word length to 8N1 */
- *uart_lcr = UART_LCR_WLEN8;
-}
-
-void serial_putc (const char c)
-{
- volatile u32 *uart_lsr = (volatile u32*)(UART0_ADDR+UART_LSR);
- volatile u32 *uart_tx = (volatile u32*)(UART0_ADDR+UART_TX);
-
- if (c == '\n') serial_putc ('\r');
-
- /* Wait for fifo to shift out some bytes */
- while((*uart_lsr&UART_LSR_THRE)==0);
-
- *uart_tx = (u32)c;
-}
-
-void serial_puts (const char *s)
-{
- while (*s)
- {
- serial_putc (*s++);
- }
-}
-
-int serial_getc (void)
-{
- volatile u32 *uart_rx = (volatile u32*)(UART0_ADDR+UART_RX);
- char c;
-
- while (!serial_tstc());
-
- c = (*uart_rx&0xFF);
- return c;
-}
-
-int serial_tstc (void)
-{
- volatile u32 *uart_lsr = (volatile u32*)(UART0_ADDR+UART_LSR);
-
- if(*uart_lsr&UART_LSR_DR){
- /* Data in rfifo */
- return(1);
- }
- return 0;
-}
-#endif /* CONFIG_SERIAL_AU1X00 */