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/config.h>
  13 #include <linux/init.h>
  14 #include <asm/io.h>
  15 #include <asm/hd64461.h>
  16 #include <asm/hp6xx/hp6xx.h>
  17 #include <asm/cpu/dac.h>
  18
  19 const char *get_system_type(void)
  20 {
  21         return "HP6xx";
  22 }
  23
  24 int __init platform_setup(void)
  25 {
  26         u8 v8;
  27         u16 v;
  28         v = inw(HD64461_STBCR);
  29         v |= HD64461_STBCR_SURTST | HD64461_STBCR_SIRST |
  30             HD64461_STBCR_STM1ST | HD64461_STBCR_STM0ST |
  31             HD64461_STBCR_SAFEST | HD64461_STBCR_SPC0ST |
  32             HD64461_STBCR_SMIAST | HD64461_STBCR_SAFECKE_OST |
  33             HD64461_STBCR_SAFECKE_IST;
  34 #ifndef CONFIG_HD64461_ENABLER
  35         v |= HD64461_STBCR_SPC1ST;
  36 #endif
  37         outw(v, HD64461_STBCR);
  38         v = inw(HD64461_GPADR);
  39         v |= HD64461_GPADR_SPEAKER | HD64461_GPADR_PCMCIA0;
  40         outw(v, HD64461_GPADR);
  41
  42         outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC0GCR);
  43
  44 #ifndef CONFIG_HD64461_ENABLER
  45         outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC1GCR);
  46 #endif
  47
  48         sh_dac_output(0, DAC_SPEAKER_VOLUME);
  49         sh_dac_disable(DAC_SPEAKER_VOLUME);
  50         v8 = ctrl_inb(DACR);
  51         v8 &= ~DACR_DAE;
  52         ctrl_outb(v8,DACR);
  53
  54         return 0;
  55 }