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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /* * 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. */ #include <linux/config.h> #include <linux/init.h> #include <linux/sched.h> #include <linux/mc146818rtc.h> #include <linux/ioport.h> #include <linux/pci.h> #ifdef CONFIG_BLK_DEV_IDE #include <linux/ide.h> #endif #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/malta.h> #include <asm/mips-boards/maltaint.h> #ifdef CONFIG_BLK_DEV_FD #include <asm/floppy.h> #endif #include <asm/dma.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 set_debug_traps(void); extern void rs_kgdb_hook(int); extern void breakpoint(void); static int remote_debug = 0; #endif extern struct ide_ops std_ide_ops; extern struct fd_ops std_fd_ops; extern struct rtc_ops malta_rtc_ops; extern struct kbd_ops std_kbd_ops; extern void mips_reboot_setup(void); struct resource standard_io_resources[] = { { "dma1", 0x00, 0x1f, IORESOURCE_BUSY }, { "timer", 0x40, 0x5f, IORESOURCE_BUSY }, { "dma page reg", 0x80, 0x8f, IORESOURCE_BUSY }, { "dma2", 0xc0, 0xdf, IORESOURCE_BUSY }, }; #define STANDARD_IO_RESOURCES (sizeof(standard_io_resources)/sizeof(struct resource)) void __init malta_setup(void) { #ifdef CONFIG_REMOTE_DEBUG int rs_putDebugChar(char); char rs_getDebugChar(void); extern int (*generic_putDebugChar)(char); extern char (*generic_getDebugChar)(void); #endif char *argptr; int i; /* Request I/O space for devices used on the Malta board. */ for (i = 0; i < STANDARD_IO_RESOURCES; i++) request_resource(&ioport_resource, standard_io_resources+i); /* * Enable DMA channel 4 (cascade channel) in the PIIX4 south bridge. */ enable_dma(4); #ifdef CONFIG_SERIAL_CONSOLE argptr = prom_getcmdline(); if ((argptr = strstr(argptr, "console=")) == NULL) { argptr = prom_getcmdline(); strcat(argptr, " console=ttyS0,38400"); } #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); rs_kgdb_hook(line); generic_putDebugChar = rs_putDebugChar; generic_getDebugChar = rs_getDebugChar; prom_printf("KGDB: Using serial line /dev/ttyS%d for session, " "please connect your debugger\n", line ? 1 : 0); remote_debug = 1; /* Breakpoints are in init_IRQ() */ } #endif argptr = prom_getcmdline(); if ((argptr = strstr(argptr, "nofpu")) != NULL) mips_cpu.options &= ~MIPS_CPU_FPU; rtc_ops = &malta_rtc_ops; #ifdef CONFIG_BLK_DEV_IDE ide_ops = &std_ide_ops; #endif #ifdef CONFIG_BLK_DEV_FD fd_ops = &std_fd_ops; #endif #ifdef CONFIG_PC_KEYB kbd_ops = &std_kbd_ops; #endif mips_reboot_setup(); } |