linux/arch/frv/kernel/head.inc
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   1/* head.inc: head common definitions -*- asm -*-
   2 *
   3 * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
   4 * Written by David Howells (dhowells@redhat.com)
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License
   8 * as published by the Free Software Foundation; either version
   9 * 2 of the License, or (at your option) any later version.
  10 */
  11
  12
  13#if defined(CONFIG_MB93090_MB00)
  14#define LED_ADDR (0x21200000+4)
  15
  16.macro LEDS val
  17        sethi.p         %hi(0xFFC00030),gr3
  18        setlo           %lo(0xFFC00030),gr3
  19        lduh            @(gr3,gr0),gr3
  20        andicc          gr3,#0x100,gr0,icc0
  21        bne             icc0,0,999f
  22
  23        setlos          #~\val,gr3
  24        st              gr3,@(gr30,gr0)
  25        membar
  26        dcf             @(gr30,gr0)
  27    999:
  28.endm
  29
  30#elif defined(CONFIG_MB93093_PDK)
  31#define LED_ADDR (0x20000023)
  32
  33.macro LEDS val
  34        setlos          #\val,gr3
  35        stb             gr3,@(gr30,gr0)
  36        membar
  37.endm
  38
  39#else
  40#define LED_ADDR 0
  41
  42.macro LEDS val
  43.endm
  44#endif
  45
  46#ifdef CONFIG_MMU
  47__sdram_base = 0x00000000               /* base address to which SDRAM relocated */
  48#else
  49__sdram_base = __page_offset            /* base address to which SDRAM relocated */
  50#endif
  51