klgraph_init.c

microwindows移植到S3C44B0的源码

/* $Id: klgraph_init.c,v 1.1 2002/02/28 17:31:25 marcelo Exp $
 *
 * 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) 1992 - 1997, 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
 */


/*
 * This is a temporary file that statically initializes the expected 
 * initial klgraph information that is normally provided by prom.
 */

#include <linux/types.h>
#include <linux/config.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <asm/sn/sgi.h>
#include <asm/sn/io.h>
#include <asm/sn/driver.h>
#include <asm/sn/iograph.h>
#include <asm/param.h>
#include <asm/sn/pio.h>
#include <asm/sn/xtalk/xwidget.h>
#include <asm/sn/sn_private.h>
#include <asm/sn/addrs.h>
#include <asm/sn/invent.h>
#include <asm/sn/hcl.h>
#include <asm/sn/hcl_util.h>
#include <asm/sn/intr.h>
#include <asm/sn/xtalk/xtalkaddrs.h>
#include <asm/sn/klconfig.h>

#define SYNERGY_WIDGET          ((char *)0xc0000e0000000000)
#define SYNERGY_SWIZZLE         ((char *)0xc0000e0000000400)
#define HUBREG                  ((char *)0xc0000a0001e00000)
#define WIDGET0                 ((char *)0xc0000a0000000000)
#define WIDGET4                 ((char *)0xc0000a0000000004)

#define SYNERGY_WIDGET          ((char *)0xc0000e0000000000)
#define SYNERGY_SWIZZLE         ((char *)0xc0000e0000000400)
#define HUBREG                  ((char *)0xc0000a0001e00000)
#define WIDGET0                 ((char *)0xc0000a0000000000)

#define convert(a,b,c) temp = (u64 *)a; *temp = b; temp++; *temp = c
void
klgraph_init(void)
{

	u64	*temp;

	/*
	 * Initialize some hub/xbow registers that allows access to 
	 * Xbridge etc.  These are normally done in PROM.
	 */

        /* Write IOERR clear to clear the CRAZY bit in the status */
#ifdef CONFIG_IA64_SGI_SN1
        *(volatile uint64_t *)0xc0000a0001c001f8 = (uint64_t)0xffffffff;

        /* set widget control register...setting bedrock widget id to b */
        *(volatile uint64_t *)0xc0000a0001c00020 = (uint64_t)0x801b;

        /* set io outbound widget access...allow all */
        *(volatile uint64_t *)0xc0000a0001c00110 = (uint64_t)0xff01;

        /* set io inbound widget access...allow all */
        *(volatile uint64_t *)0xc0000a0001c00118 = (uint64_t)0xff01;

        /* set io crb timeout to max */
        *(volatile uint64_t *)0xc0000a0001c003c0 = (uint64_t)0xffffff;
        *(volatile uint64_t *)0xc0000a0001c003c0 = (uint64_t)0xffffff;

        /* set local block io permission...allow all */
        *(volatile uint64_t *)0xc0000a0001e04010 = (uint64_t)0xfffffffffffffff;

        /* clear any errors */
        /* clear_ii_error(); medusa should have cleared these */

        /* set default read response buffers in bridge */
        *(volatile u32 *)0xc0000a000f000280L = 0xba98;
        *(volatile u32 *)0xc0000a000f000288L = 0xba98;
#elif CONFIG_IA64_SGI_SN2
        *(volatile uint64_t *)0xc000000801c001f8 = (uint64_t)0xffffffff;

        /* set widget control register...setting bedrock widget id to a */
        *(volatile uint64_t *)0xc000000801c00020 = (uint64_t)0x801a;

        /* set io outbound widget access...allow all */
        *(volatile uint64_t *)0xc000000801c00110 = (uint64_t)0xff01;

        /* set io inbound widget access...allow all */
        *(volatile uint64_t *)0xc000000801c00118 = (uint64_t)0xff01;

        /* set io crb timeout to max */
        *(volatile uint64_t *)0xc000000801c003c0 = (uint64_t)0xffffff;
        *(volatile uint64_t *)0xc000000801c003c0 = (uint64_t)0xffffff;

        /* set local block io permission...allow all */
// [LB]        *(volatile uint64_t *)0xc000000801e04010 = (uint64_t)0xfffffffffffffff;

        /* clear any errors */
        /* clear_ii_error(); medusa should have cleared these */

        /* set default read response buffers in bridge */
// [PI]       *(volatile u32 *)0xc00000080f000280L = 0xba98;
// [PI]       *(volatile u32 *)0xc00000080f000288L = 0xba98;
#endif	/* CONFIG_IA64_SGI_SN1 */

	/*
	 * kldir entries initialization - mankato
	 */
	convert(0x8000000000002000, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002010, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002020, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002030, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002040, 0x434d5f53505f5357, 0x0000000000030000);
	convert(0x8000000000002050, 0x0000000000000000, 0x0000000000010000);
	convert(0x8000000000002060, 0x0000000000000001, 0x0000000000000000);
	convert(0x8000000000002070, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002080, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002090, 0x0000000000000000, 0x0000000000000000);
	convert(0x80000000000020a0, 0x0000000000000000, 0x0000000000000000);
	convert(0x80000000000020b0, 0x0000000000000000, 0x0000000000000000);
	convert(0x80000000000020c0, 0x434d5f53505f5357, 0x0000000000000000);
	convert(0x80000000000020d0, 0x0000000000002400, 0x0000000000000400);
	convert(0x80000000000020e0, 0x0000000000000001, 0x0000000000000000);
	convert(0x80000000000020f0, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002100, 0x434d5f53505f5357, 0x0000000000040000);
	convert(0x8000000000002110, 0x0000000000000000, 0xffffffffffffffff);
	convert(0x8000000000002120, 0x0000000000000001, 0x0000000000000000);
	convert(0x8000000000002130, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002140, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002150, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002160, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002170, 0x0000000000000000, 0x0000000000000000);
	convert(0x8000000000002180, 0x434d5f53505f5357, 0x0000000000020000);
	convert(0x8000000000002190, 0x0000000000000000, 0x0000000000010000);
	convert(0x80000000000021a0, 0x0000000000000001, 0x0000000000000000); 

	/*
	 * klconfig entries initialization - mankato