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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | /* * Carsten Langgaard, carstenl@mips.com * Copyright (C) 1999,2000 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. */ #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/gt64120.h> #include <asm/mips-boards/atlasint.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 (*generic_putDebugChar)(char); extern char (*generic_getDebugChar)(void); #endif char *argptr; 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); generic_putDebugChar = rs_putDebugChar; generic_getDebugChar = rs_getDebugChar; } else { saa9730_kgdb_hook(); generic_putDebugChar = saa9730_putDebugChar; generic_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; mips_reboot_setup(); } |