patch-2.4.22 linux-2.4.22/arch/mips/sgi-ip22/ip22-gio.c

• Lines: 154
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.21/arch/mips/sgi-ip22/ip22-gio.c
• Orig date: 2002-11-28 15:53:10.000000000 -0800

diff -urN linux-2.4.21/arch/mips/sgi-ip22/ip22-gio.c linux-2.4.22/arch/mips/sgi-ip22/ip22-gio.c
@@ -1,153 +0,0 @@
-/*
- * ip22-gio.c: Support for GIO64 bus (inspired by PCI code)
- *
- * Copyright (C) 2002 Ladislav Michl
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/proc_fs.h>
-
-#include <asm/addrspace.h>
-#include <asm/sgi/sgimc.h>
-#include <asm/sgi/sgigio.h>
-
-#define GIO_PIO_MAP_BASE	0x1f000000L
-#define GIO_PIO_MAP_SIZE	(16 * 1024*1024)
-
-#define GIO_ADDR_GFX		0x1f000000L
-#define GIO_ADDR_GIO1		0x1f400000L
-#define GIO_ADDR_GIO2		0x1f600000L
-
-#define GIO_GFX_MAP_SIZE	(4 * 1024*1024)
-#define GIO_GIO1_MAP_SIZE	(2 * 1024*1024)
-#define GIO_GIO2_MAP_SIZE	(4 * 1024*1024)
-
-#define GIO_NO_DEVICE		0x80
-
-static struct gio_dev gio_slot[GIO_NUM_SLOTS] = {
-	{
-		0,
-		0,
-		0,
-		GIO_NO_DEVICE,
-		GIO_SLOT_GFX,
-		GIO_ADDR_GFX,
-		GIO_GFX_MAP_SIZE,
-		NULL,
-		"GFX"
-	},
-	{
-		0,
-		0,
-		0,
-		GIO_NO_DEVICE,
-		GIO_SLOT_GIO1,
-		GIO_ADDR_GIO1,
-		GIO_GIO1_MAP_SIZE,
-		NULL,
-		"EXP0"
-	},
-	{
-		0,
-		0,
-		0,
-		GIO_NO_DEVICE,
-		GIO_SLOT_GIO2,
-		GIO_ADDR_GIO2,
-		GIO_GIO2_MAP_SIZE,
-		NULL,
-		"EXP1"
-	}
-};
-
-static int gio_read_proc(char *buf, char **start, off_t off,
-			 int count, int *eof, void *data)
-{
-	int i;
-	char *p = buf;
-
-	p += sprintf(p, "GIO devices found:\n");
-	for (i = 0; i < GIO_NUM_SLOTS; i++) {
-		if (gio_slot[i].flags & GIO_NO_DEVICE)
-			continue;
-		p += sprintf(p, "  Slot %s, DeviceId 0x%02x\n",
-			     gio_slot[i].slot_name, gio_slot[i].device);
-		p += sprintf(p, "    BaseAddr 0x%08lx, MapSize 0x%08x\n",
-			     gio_slot[i].base_addr, gio_slot[i].map_size);
-	}
-
-	return p - buf;
-}
-
-void create_gio_proc_entry(void)
-{
-	create_proc_read_entry("gio", 0, NULL, gio_read_proc, NULL);
-}
-
-/**
- * gio_find_device - begin or continue searching for a GIO device by device id
- * @device: GIO device id to match, or %GIO_ANY_ID to match all device ids
- * @from: Previous GIO device found in search, or %NULL for new search.
- *
- * Iterates through the list of known GIO devices. If a GIO device is found
- * with a matching @device, a pointer to its device structure is returned.
- * Otherwise, %NULL is returned.
- * A new search is initiated by passing %NULL to the @from argument.
- * Otherwise if @from is not %NULL, searches continue from next device.
- */
-struct gio_dev *
-gio_find_device(unsigned char device, const struct gio_dev *from)
-{
-	int i;
-
-	for (i = (from) ? from->slot_number : 0; i < GIO_NUM_SLOTS; i++)
-		if (!(gio_slot[i].flags & GIO_NO_DEVICE) &&
-		   (device == GIO_ANY_ID || device == gio_slot[i].device))
-			return &gio_slot[i];
-
-	return NULL;
-}
-
-#define GIO_IDCODE(x)		(x & 0x7f)
-#define GIO_ALL_BITS_VALID	0x80
-#define GIO_REV(x)		((x >> 8) & 0xff)
-#define GIO_GIO_SIZE_64		0x10000
-#define GIO_ROM_PRESENT		0x20000
-#define GIO_VENDOR_CODE(x)	((x >> 18) & 0x3fff)
-
-extern int ip22_baddr(unsigned int *val, unsigned long addr);
-
-/**
- * sgigio_init - scan the GIO space and figure out what hardware is actually
- * present.
- */
-void __init sgigio_init(void)
-{
-	unsigned int i, id, found = 0;
-
-	printk("GIO: Scanning for GIO cards...\n");
-	for (i = 0; i < GIO_NUM_SLOTS; i++) {
-		if (ip22_baddr(&id, KSEG1ADDR(gio_slot[i].base_addr)))
-			continue;
-
-		found = 1;
-		gio_slot[i].device = GIO_IDCODE(id);
-		if (id & GIO_ALL_BITS_VALID) {
-			gio_slot[i].revision = GIO_REV(id);
-			gio_slot[i].vendor = GIO_VENDOR_CODE(id);
-			gio_slot[i].flags =
-				(id & GIO_GIO_SIZE_64) ? GIO_IFACE_64 : 0 |
-				(id & GIO_ROM_PRESENT) ? GIO_HAS_ROM : 0;
-		} else
-			gio_slot[i].flags = GIO_VALID_ID_ONLY;
-
-		printk("GIO: Card 0x%02x @ 0x%08lx\n", gio_slot[i].device,
-			gio_slot[i].base_addr);
-	}
-
-	if (!found)
-		printk("GIO: No GIO cards present.\n");
-}