patch-2.4.19 linux-2.4.19/arch/mips64/mips-boards/generic/printf.c
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- Lines: 141
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
linux-2.4.18/arch/mips64/mips-boards/generic/printf.c
- Orig date:
Sun Sep 9 10:43:02 2001
diff -urN linux-2.4.18/arch/mips64/mips-boards/generic/printf.c linux-2.4.19/arch/mips64/mips-boards/generic/printf.c
@@ -1,140 +0,0 @@
-/*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
- *
- * ########################################################################
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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.
- *
- * ########################################################################
- *
- * Putting things on the screen/serial line using YAMONs facilities.
- *
- */
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/serialP.h>
-#include <linux/serial_reg.h>
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/serial.h>
-
-
-#ifdef CONFIG_MIPS_ATLAS
-/*
- * Atlas registers are memory mapped on 64-bit aligned boundaries and
- * only word access are allowed.
- * When reading the UART 8 bit registers only the LSB are valid.
- */
-unsigned int atlas_serial_in(struct async_struct *info, int offset)
-{
- return (*(volatile unsigned int *)(info->port + mips_io_port_base + offset*8) & 0xff);
-}
-
-void atlas_serial_out(struct async_struct *info, int offset, int value)
-{
- *(volatile unsigned int *)(info->port + mips_io_port_base + offset*8) = value;
-}
-
-#define serial_in atlas_serial_in
-#define serial_out atlas_serial_out
-
-#else
-
-static unsigned int serial_in(struct async_struct *info, int offset)
-{
- return inb(info->port + offset);
-}
-
-static void serial_out(struct async_struct *info, int offset,
- int value)
-{
- outb(value, info->port + offset);
-}
-#endif
-
-static struct serial_state rs_table[] = {
- SERIAL_PORT_DFNS /* Defined in serial.h */
-};
-
-/*
- * Hooks to fake "prom" console I/O before devices
- * are fully initialized.
- */
-static struct async_struct prom_port_info = {0};
-
-void __init setup_prom_printf(int tty_no) {
- struct serial_state *ser = &rs_table[tty_no];
-
- prom_port_info.state = ser;
- prom_port_info.magic = SERIAL_MAGIC;
- prom_port_info.port = ser->port;
- prom_port_info.flags = ser->flags;
-
- /* No setup of UART - assume YAMON left in sane state */
-}
-
-int putPromChar(char c)
-{
- if (!prom_port_info.state) { /* need to init device first */
- return 0;
- }
-
- while ((serial_in(&prom_port_info, UART_LSR) & UART_LSR_THRE) == 0)
- ;
-
- serial_out(&prom_port_info, UART_TX, c);
-
- return 1;
-}
-
-char getPromChar(void)
-{
- if (!prom_port_info.state) { /* need to init device first */
- return 0;
- }
-
- while (!(serial_in(&prom_port_info, UART_LSR) & 1))
- ;
-
- return(serial_in(&prom_port_info, UART_RX));
-}
-
-static char buf[1024];
-
-void __init prom_printf(char *fmt, ...)
-{
- va_list args;
- int l;
- char *p, *buf_end;
- long flags;
-
- int putPromChar(char);
-
- /* Low level, brute force, not SMP safe... */
- save_and_cli(flags);
- va_start(args, fmt);
- l = vsprintf(buf, fmt, args); /* hopefully i < sizeof(buf) */
- va_end(args);
-
- buf_end = buf + l;
-
- for (p = buf; p < buf_end; p++) {
- /* Crude cr/nl handling is better than none */
- if(*p == '\n')putPromChar('\r');
- putPromChar(*p);
- }
- restore_flags(flags);
-}
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