patch-2.4.10 linux/arch/mips64/mips-boards/atlas/atlas_setup.c

• Lines: 124
• Date: Sun Sep 9 10:43:02 2001
• Orig file: v2.4.9/linux/arch/mips64/mips-boards/atlas/atlas_setup.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/arch/mips64/mips-boards/atlas/atlas_setup.c linux/arch/mips64/mips-boards/atlas/atlas_setup.c
@@ -0,0 +1,123 @@
+/*
+ * 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.
+ *
+ * ########################################################################
+ *
+ * Atlas specific setup, including init of the feature struct.
+ *
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/mc146818rtc.h>
+#include <linux/ioport.h>
+
+#include <asm/cpu.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/mips-boards/generic.h>
+#include <asm/mips-boards/prom.h>
+#include <asm/mips-boards/gt64120.h>
+#include <asm/mips-boards/atlasint.h>
+
+#include <asm/mmu_context.h>
+
+#if defined(CONFIG_SERIAL_CONSOLE) || defined(CONFIG_PROM_CONSOLE)
+extern void console_setup(char *, int *);
+char serial_console[20];
+#endif
+
+#ifdef CONFIG_REMOTE_DEBUG
+extern void rs_kgdb_hook(int);
+extern void saa9730_kgdb_hook(void);
+extern void breakpoint(void);
+int remote_debug = 0;
+#endif
+
+extern struct rtc_ops atlas_rtc_ops;
+
+extern void mips_reboot_setup(void);
+
+void __init atlas_setup(void)
+{
+#ifdef CONFIG_REMOTE_DEBUG
+	int rs_putDebugChar(char);
+	char rs_getDebugChar(void);
+	int saa9730_putDebugChar(char);
+	char saa9730_getDebugChar(void);
+	extern int (*putDebugChar)(char);
+	extern char (*getDebugChar)(void);
+#endif
+	char *argptr;
+
+	current_cpu_data.asid_cache = ASID_FIRST_VERSION;
+	TLBMISS_HANDLER_SETUP();
+
+	ioport_resource.end = 0x7fffffff;
+
+#ifdef CONFIG_SERIAL_CONSOLE
+	argptr = prom_getcmdline();
+	if ((argptr = strstr(argptr, "console=ttyS0")) == NULL) {
+		int i = 0;
+		char *s = prom_getenv("modetty0");
+		while(s[i] >= '0' && s[i] <= '9')
+			i++;
+		strcpy(serial_console, "ttyS0,");
+		strncpy(serial_console + 6, s, i);
+		prom_printf("Config serial console: %s\n", serial_console);
+		console_setup(serial_console, NULL);
+	}
+#endif	  
+
+#ifdef CONFIG_REMOTE_DEBUG
+	argptr = prom_getcmdline();
+	if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
+		int line;
+		argptr += strlen("kgdb=ttyS");
+		if (*argptr != '0' && *argptr != '1')
+			printk("KGDB: Uknown serial line /dev/ttyS%c, "
+			       "falling back to /dev/ttyS1\n", *argptr);
+		line = *argptr == '0' ? 0 : 1;
+		printk("KGDB: Using serial line /dev/ttyS%d for session\n",
+		       line ? 1 : 0);
+
+		if(line == 0) {
+			rs_kgdb_hook(line);
+			putDebugChar = rs_putDebugChar;
+			getDebugChar = rs_getDebugChar;
+		} else {
+			saa9730_kgdb_hook();
+			putDebugChar = saa9730_putDebugChar;
+			getDebugChar = saa9730_getDebugChar;
+		}
+
+		prom_printf("KGDB: Using serial line /dev/ttyS%d for session, "
+			    "please connect your debugger\n", line ? 1 : 0);
+
+		remote_debug = 1;
+		/* Breakpoints and stuff are in atlas_irq_setup() */
+	}
+#endif
+	argptr = prom_getcmdline();
+
+	if ((argptr = strstr(argptr, "nofpu")) != NULL)
+		mips_cpu.options &= ~MIPS_CPU_FPU;
+
+	rtc_ops = &atlas_rtc_ops;
+}