arch/frv/kernel/head.inc

   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 = 0xc0000000               /* base address to which SDRAM relocated */
  50 #endif