This patch updates uboot-xburst from 2009.11 to 2012.10-rc2 - Ingenic SoC support...

[openwrt.git] / package / boot / uboot-xburst / files / cpu / mips / jz_serial.c

diff --git a/package/boot/uboot-xburst/files/cpu/mips/jz_serial.c b/package/boot/uboot-xburst/files/cpu/mips/jz_serial.c
deleted file mode 100644 (file)
index e9a18a1..0000000
--- a/package/boot/uboot-xburst/files/cpu/mips/jz_serial.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * Jz47xx UART support
- *
- * Hardcoded to UART 0 for now
- * Options also hardcoded to 8N1
- *
- *  Copyright (c) 2005
- *  Ingenic Semiconductor, <jlwei@ingenic.cn>
- *
- * 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>
-
-#if defined(CONFIG_JZ4740)
-
-#include <common.h>
-
-#include <asm/jz4740.h>
-
-#undef UART_BASE
-#ifndef CONFIG_SYS_UART_BASE
-#define UART_BASE  UART0_BASE
-#else
-#define UART_BASE  CONFIG_SYS_UART_BASE
-#endif
-
-/******************************************************************************
-*
-* 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)
-{
-#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
-       volatile u8 *uart_fcr = (volatile u8 *)(UART_BASE + OFF_FCR);
-       volatile u8 *uart_lcr = (volatile u8 *)(UART_BASE + OFF_LCR);
-       volatile u8 *uart_ier = (volatile u8 *)(UART_BASE + OFF_IER);
-       volatile u8 *uart_sircr = (volatile u8 *)(UART_BASE + OFF_SIRCR);
-
-       /* Disable port interrupts while changing hardware */
-       *uart_ier = 0;
-
-       /* Disable UART unit function */
-       *uart_fcr = ~UART_FCR_UUE;
-
-       /* Set both receiver and transmitter in UART mode (not SIR) */
-       *uart_sircr = ~(SIRCR_RSIRE | SIRCR_TSIRE);
-
-       /* Set databits, stopbits and parity. (8-bit data, 1 stopbit, no parity) */
-       *uart_lcr = UART_LCR_WLEN_8 | UART_LCR_STOP_1;
-
-       /* Set baud rate */
-       serial_setbrg();
-
-       /* Enable UART unit, enable and clear FIFO */
-       *uart_fcr = UART_FCR_UUE | UART_FCR_FE | UART_FCR_TFLS | UART_FCR_RFLS;
-#endif
-       return 0;
-}
-
-void serial_setbrg (void)
-{
-       volatile u8 *uart_lcr = (volatile u8 *)(UART_BASE + OFF_LCR);
-       volatile u8 *uart_dlhr = (volatile u8 *)(UART_BASE + OFF_DLHR);
-       volatile u8 *uart_dllr = (volatile u8 *)(UART_BASE + OFF_DLLR);
-       u32 baud_div, tmp;
-
-       baud_div = CONFIG_SYS_EXTAL / 16 / CONFIG_BAUDRATE;
-
-       tmp = *uart_lcr;
-       tmp |= UART_LCR_DLAB;
-       *uart_lcr = tmp;
-
-       *uart_dlhr = (baud_div >> 8) & 0xff;
-       *uart_dllr = baud_div & 0xff;
-
-       tmp &= ~UART_LCR_DLAB;
-       *uart_lcr = tmp;
-}
-
-void serial_putc (const char c)
-{
-       volatile u8 *uart_lsr = (volatile u8 *)(UART_BASE + OFF_LSR);
-       volatile u8 *uart_tdr = (volatile u8 *)(UART_BASE + OFF_TDR);
-
-       if (c == '\n') serial_putc ('\r');
-
-       /* Wait for fifo to shift out some bytes */
-       while ( !((*uart_lsr & (UART_LSR_TDRQ | UART_LSR_TEMT)) == 0x60) );
-
-       *uart_tdr = (u8)c;
-}
-
-void serial_puts (const char *s)
-{
-       while (*s) {
-               serial_putc (*s++);
-       }
-}
-
-int serial_getc (void)
-{
-       volatile u8 *uart_rdr = (volatile u8 *)(UART_BASE + OFF_RDR);
-
-       while (!serial_tstc());
-
-       return *uart_rdr;
-}
-
-int serial_tstc (void)
-{
-       volatile u8 *uart_lsr = (volatile u8 *)(UART_BASE + OFF_LSR);
-
-       if (*uart_lsr & UART_LSR_DR) {
-               /* Data in rfifo */
-               return (1);
-       }
-       return 0;
-}
-
-#endif