arch/sh/boards/hp6xx/setup.c

   1 /*
   2  * linux/arch/sh/boards/hp6xx/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 #include <linux/types.h>
  12 #include <linux/init.h>
  13 #include <asm/hd64461.h>
  14 #include <asm/io.h>
  15 #include <asm/irq.h>
  16 #include <asm/hp6xx.h>
  17 #include <asm/cpu/dac.h>
  18
  19 #define SCPCR   0xa4000116
  20 #define SCPDR   0xa4000136
  21
  22 static void __init hp6xx_setup(char **cmdline_p)
  23 {
  24         u8 v8;
  25         u16 v;
  26
  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         v8 = ctrl_inb(SCPDR);
  54         v8 |= SCPDR_TS_SCAN_X | SCPDR_TS_SCAN_Y;
  55         v8 &= ~SCPDR_TS_SCAN_ENABLE;
  56         ctrl_outb(v8, SCPDR);
  57
  58         v = ctrl_inw(SCPCR);
  59         v &= ~SCPCR_TS_MASK;
  60         v |= SCPCR_TS_ENABLE;
  61         ctrl_outw(v, SCPCR);
  62 }
  63
  64 /*
  65  * XXX: This is stupid, we should have a generic machine vector for the cchips
  66  * and just wrap the platform setup code in to this, as it's the only thing
  67  * that ends up being different.
  68  */
  69 struct sh_machine_vector mv_hp6xx __initmv = {
  70         .mv_name = "hp6xx",
  71         .mv_setup = hp6xx_setup,
  72         .mv_nr_irqs = HD64461_IRQBASE + HD64461_IRQ_NUM,
  73
  74         .mv_inb = hd64461_inb,
  75         .mv_inw = hd64461_inw,
  76         .mv_inl = hd64461_inl,
  77         .mv_outb = hd64461_outb,
  78         .mv_outw = hd64461_outw,
  79         .mv_outl = hd64461_outl,
  80
  81         .mv_inb_p = hd64461_inb_p,
  82         .mv_inw_p = hd64461_inw,
  83         .mv_inl_p = hd64461_inl,
  84         .mv_outb_p = hd64461_outb_p,
  85         .mv_outw_p = hd64461_outw,
  86         .mv_outl_p = hd64461_outl,
  87
  88         .mv_insb = hd64461_insb,
  89         .mv_insw = hd64461_insw,
  90         .mv_insl = hd64461_insl,
  91         .mv_outsb = hd64461_outsb,
  92         .mv_outsw = hd64461_outsw,
  93         .mv_outsl = hd64461_outsl,
  94
  95         .mv_readw = hd64461_readw,
  96         .mv_writew = hd64461_writew,
  97
  98         .mv_irq_demux = hd64461_irq_demux,
  99 };
 100 ALIAS_MV(hp6xx)