Viewing file:  setup.c (3.26 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/*
* 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>
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;
void (*board_time_init)(struct irqaction *irq);
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);
}
unsigned char aux_device_present;
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();
mips_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
}
|