arch/sh/boards/hp6xx/setup.c

   1 /*
   2  * linux/arch/sh/boards/hp6xx/hp680/setup.c
   3  *
   4  * Copyright (C) 2002 Andriy Skulysh
   5  *
   6  * May be copied or modified under the terms of the GNU General Public
   7  * License.  See linux/COPYING for more information.
   8  *
   9  * Setup code for an HP680  (internal peripherials only)
  10  */
  11
  12 #include <linux/init.h>
  13 #include <asm/io.h>
  14 #include <asm/hd64461.h>
  15 #include <asm/hp6xx/hp6xx.h>
  16 #include <asm/cpu/dac.h>
  17
  18 const char *get_system_type(void)
  19 {
  20         return "HP6xx";
  21 }
  22
  23 int __init platform_setup(void)
  24 {
  25         u8 v8;
  26         u16 v;
  27         v = inw(HD64461_STBCR);
  28         v |= HD64461_STBCR_SURTST | HD64461_STBCR_SIRST |
  29             HD64461_STBCR_STM1ST | HD64461_STBCR_STM0ST |
  30             HD64461_STBCR_SAFEST | HD64461_STBCR_SPC0ST |
  31             HD64461_STBCR_SMIAST | HD64461_STBCR_SAFECKE_OST |
  32             HD64461_STBCR_SAFECKE_IST;
  33 #ifndef CONFIG_HD64461_ENABLER
  34         v |= HD64461_STBCR_SPC1ST;
  35 #endif
  36         outw(v, HD64461_STBCR);
  37         v = inw(HD64461_GPADR);
  38         v |= HD64461_GPADR_SPEAKER | HD64461_GPADR_PCMCIA0;
  39         outw(v, HD64461_GPADR);
  40
  41         outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC0GCR);
  42
  43 #ifndef CONFIG_HD64461_ENABLER
  44         outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC1GCR);
  45 #endif
  46
  47         sh_dac_output(0, DAC_SPEAKER_VOLUME);
  48         sh_dac_disable(DAC_SPEAKER_VOLUME);
  49         v8 = ctrl_inb(DACR);
  50         v8 &= ~DACR_DAE;
  51         ctrl_outb(v8,DACR);
  52
  53         return 0;
  54 }