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Viewing changes to arch/arm/mach-clps711x/p720t.c

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/arm/mach-clps711x/p720t.c
 
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/*
 
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 *  linux/arch/arm/mach-clps711x/p720t.c
 
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 *
 
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 *  Copyright (C) 2000-2001 Deep Blue Solutions Ltd
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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 */
 
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#include <linux/kernel.h>
 
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#include <linux/init.h>
 
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#include <linux/types.h>
 
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#include <linux/string.h>
 
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#include <linux/mm.h>
 
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#include <linux/io.h>
 
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#include <mach/hardware.h>
 
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#include <asm/pgtable.h>
 
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#include <asm/page.h>
 
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#include <asm/setup.h>
 
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#include <asm/sizes.h>
 
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#include <asm/mach-types.h>
 
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#include <asm/mach/arch.h>
 
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#include <asm/mach/map.h>
 
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#include <mach/syspld.h>
 
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#include "common.h"
 
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/*
 
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 * Map the P720T system PLD.  It occupies two address spaces:
 
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 *  SYSPLD_PHYS_BASE and SYSPLD_PHYS_BASE + 0x00400000
 
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 * We map both here.
 
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 */
 
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static struct map_desc p720t_io_desc[] __initdata = {
 
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        {
 
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                .virtual        = SYSPLD_VIRT_BASE,
 
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                .pfn            = __phys_to_pfn(SYSPLD_PHYS_BASE),
 
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                .length         = SZ_1M,
 
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                .type           = MT_DEVICE
 
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        }, {
 
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                .virtual        = 0xfe400000,
 
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                .pfn            = __phys_to_pfn(0x10400000),
 
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                .length         = SZ_1M,
 
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                .type           = MT_DEVICE
 
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        }
 
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};
 
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static void __init
 
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fixup_p720t(struct tag *tag, char **cmdline, struct meminfo *mi)
 
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{
 
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        /*
 
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         * Our bootloader doesn't setup any tags (yet).
 
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         */
 
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        if (tag->hdr.tag != ATAG_CORE) {
 
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                tag->hdr.tag = ATAG_CORE;
 
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                tag->hdr.size = tag_size(tag_core);
 
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                tag->u.core.flags = 0;
 
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                tag->u.core.pagesize = PAGE_SIZE;
 
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                tag->u.core.rootdev = 0x0100;
 
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                tag = tag_next(tag);
 
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                tag->hdr.tag = ATAG_MEM;
 
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                tag->hdr.size = tag_size(tag_mem32);
 
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                tag->u.mem.size = 4096;
 
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                tag->u.mem.start = PHYS_OFFSET;
 
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                tag = tag_next(tag);
 
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                tag->hdr.tag = ATAG_NONE;
 
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                tag->hdr.size = 0;
 
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        }
 
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}
 
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static void __init p720t_map_io(void)
 
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{
 
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        clps711x_map_io();
 
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        iotable_init(p720t_io_desc, ARRAY_SIZE(p720t_io_desc));
 
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}
 
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MACHINE_START(P720T, "ARM-Prospector720T")
 
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        /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
 
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        .atag_offset    = 0x100,
 
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        .fixup          = fixup_p720t,
 
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        .map_io         = p720t_map_io,
 
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        .init_irq       = clps711x_init_irq,
 
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        .timer          = &clps711x_timer,
 
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MACHINE_END
 
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static int p720t_hw_init(void)
 
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{
 
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        /*
 
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         * Power down as much as possible in case we don't
 
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         * have the drivers loaded.
 
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         */
 
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        PLD_LCDEN = 0;
 
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        PLD_PWR  &= ~(PLD_S4_ON|PLD_S3_ON|PLD_S2_ON|PLD_S1_ON);
 
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        PLD_KBD   = 0;
 
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        PLD_IO    = 0;
 
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        PLD_IRDA  = 0;
 
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        PLD_CODEC = 0;
 
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        PLD_TCH   = 0;
 
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        PLD_SPI   = 0;
 
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#ifndef CONFIG_DEBUG_LL
 
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        PLD_COM2  = 0;
 
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        PLD_COM1  = 0;
 
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#endif
 
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        return 0;
 
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}
 
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__initcall(p720t_hw_init);
 
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