arch/arm/mach-clps711x/edb7211-arch.c

   1 /*
   2  *  linux/arch/arm/mach-clps711x/arch-edb7211.c
   3  *
   4  *  Copyright (C) 2000, 2001 Blue Mug, Inc.  All Rights Reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #include <linux/init.h>
  21 #include <linux/memblock.h>
  22 #include <linux/types.h>
  23 #include <linux/string.h>
  24
  25 #include <asm/setup.h>
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28
  29 #include "common.h"
  30
  31 extern void edb7211_map_io(void);
  32
  33 /* Reserve screen memory region at the start of main system memory. */
  34 static void __init edb7211_reserve(void)
  35 {
  36         memblock_reserve(PHYS_OFFSET, 0x00020000);
  37 }
  38
  39 static void __init
  40 fixup_edb7211(struct machine_desc *desc, struct tag *tags,
  41               char **cmdline, struct meminfo *mi)
  42 {
  43         /*
  44          * Bank start addresses are not present in the information
  45          * passed in from the boot loader.  We could potentially
  46          * detect them, but instead we hard-code them.
  47          *
  48          * Banks sizes _are_ present in the param block, but we're
  49          * not using that information yet.
  50          */
  51         mi->bank[0].start = 0xc0000000;
  52         mi->bank[0].size = 8*1024*1024;
  53         mi->bank[1].start = 0xc1000000;
  54         mi->bank[1].size = 8*1024*1024;
  55         mi->nr_banks = 2;
  56 }
  57
  58 MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
  59         /* Maintainer: Jon McClintock */
  60         .atag_offset    = 0x20100,      /* 0xc0000000 - 0xc001ffff can be video RAM */
  61         .fixup          = fixup_edb7211,
  62         .map_io         = edb7211_map_io,
  63         .reserve        = edb7211_reserve,
  64         .init_irq       = clps711x_init_irq,
  65         .timer          = &clps711x_timer,
  66 MACHINE_END