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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [mips/] [sni/] [setup.c] - Rev 1275
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/* * Setup pointers to hardware-dependent routines. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1996, 1997, 1998, 2000 by Ralf Baechle */ #include <asm/ptrace.h> #include <linux/config.h> #include <linux/hdreg.h> #include <linux/ioport.h> #include <linux/sched.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/timex.h> #include <linux/pci.h> #include <linux/mc146818rtc.h> #include <linux/console.h> #include <linux/fb.h> #include <linux/pc_keyb.h> #include <linux/ide.h> #include <asm/bcache.h> #include <asm/bootinfo.h> #include <asm/keyboard.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/processor.h> #include <asm/reboot.h> #include <asm/sni.h> #include <asm/time.h> #include <asm/traps.h> extern void sni_machine_restart(char *command); extern void sni_machine_halt(void); extern void sni_machine_power_off(void); extern struct ide_ops std_ide_ops; extern struct rtc_ops std_rtc_ops; extern struct kbd_ops std_kbd_ops; static void __init sni_rm200_pci_time_init(struct irqaction *irq) { /* set the clock to 100 Hz */ outb_p(0x34,0x43); /* binary, mode 2, LSB/MSB, ch 0 */ outb_p(LATCH & 0xff , 0x40); /* LSB */ outb(LATCH >> 8 , 0x40); /* MSB */ setup_irq(0, irq); } extern unsigned char sni_map_isa_cache; /* * A bit more gossip about the iron we're running on ... */ static inline void sni_pcimt_detect(void) { char boardtype[80]; unsigned char csmsr; char *p = boardtype; unsigned int asic; csmsr = *(volatile unsigned char *)PCIMT_CSMSR; p += sprintf(p, "%s PCI", (csmsr & 0x80) ? "RM200" : "RM300"); if ((csmsr & 0x80) == 0) p += sprintf(p, ", board revision %s", (csmsr & 0x20) ? "D" : "C"); asic = csmsr & 0x80; asic = (csmsr & 0x08) ? asic : !asic; p += sprintf(p, ", ASIC PCI Rev %s", asic ? "1.0" : "1.1"); printk("%s.\n", boardtype); } void __init sni_rm200_pci_setup(void) { sni_pcimt_detect(); sni_pcimt_sc_init(); set_io_port_base(SNI_PORT_BASE); /* * Setup (E)ISA I/O memory access stuff */ isa_slot_offset = 0xb0000000; // sni_map_isa_cache = 0; EISA_bus = 1; request_region(0x00,0x20,"dma1"); request_region(0x40,0x20,"timer"); /* XXX FIXME: CONFIG_RTC */ request_region(0x70,0x10,"rtc"); request_region(0x80,0x10,"dma page reg"); request_region(0xc0,0x20,"dma2"); board_time_init = sni_rm200_pci_time_init; _machine_restart = sni_machine_restart; _machine_halt = sni_machine_halt; _machine_power_off = sni_machine_power_off; aux_device_present = 0xaa; /* * Some cluefull person has placed the PCI config data directly in * the I/O port space ... */ request_region(0xcfc,0x04,"PCI config data"); #ifdef CONFIG_BLK_DEV_IDE ide_ops = &std_ide_ops; #endif conswitchp = &vga_con; screen_info = (struct screen_info) { 0, 0, /* orig-x, orig-y */ 0, /* unused */ 52, /* orig_video_page */ 3, /* orig_video_mode */ 80, /* orig_video_cols */ 4626, 3, 9, /* unused, ega_bx, unused */ 50, /* orig_video_lines */ 0x22, /* orig_video_isVGA */ 16 /* orig_video_points */ }; rtc_ops = &std_rtc_ops; kbd_ops = &std_kbd_ops; #ifdef CONFIG_PSMOUSE aux_device_present = 0xaa; #endif }
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