arch/sh/boards/hp6xx/setup.c

   1 /*
   2  * linux/arch/sh/boards/hp6xx/setup.c
   3  *
   4  * Copyright (C) 2002 Andriy Skulysh
   5  * Copyright (C) 2007 Kristoffer Ericson <Kristoffer_e1@hotmail.com>
   6  *
   7  * May be copied or modified under the terms of the GNU General Public
   8  * License.  See linux/COPYING for more information.
   9  *
  10  * Setup code for HP620/HP660/HP680/HP690 (internal peripherials only)
  11  */
  12 #include <linux/types.h>
  13 #include <linux/init.h>
  14 #include <linux/platform_device.h>
  15 #include <asm/hd64461.h>
  16 #include <asm/io.h>
  17 #include <asm/irq.h>
  18 #include <asm/hp6xx.h>
  19 #include <asm/cpu/dac.h>
  20
  21 #define SCPCR   0xa4000116
  22 #define SCPDR   0xa4000136
  23
  24 /* CF Slot */
  25 static struct resource cf_ide_resources[] = {
  26         [0] = {
  27                 .start = 0x15000000 + 0x1f0,
  28                 .end   = 0x15000000 + 0x1f0 + 0x08 - 0x01,
  29                 .flags = IORESOURCE_MEM,
  30         },
  31         [1] = {
  32                 .start = 0x15000000 + 0x1fe,
  33                 .end   = 0x15000000 + 0x1fe + 0x01,
  34                 .flags = IORESOURCE_MEM,
  35         },
  36         [2] = {
  37                 .start = 77,
  38                 .flags = IORESOURCE_IRQ,
  39         },
  40 };
  41
  42 static struct platform_device cf_ide_device = {
  43         .name           =  "pata_platform",
  44         .id             =  -1,
  45         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  46         .resource       = cf_ide_resources,
  47 };
  48
  49 static struct platform_device jornadakbd_device = {
  50         .name           = "jornada680_kbd",
  51         .id             = -1,
  52 };
  53
  54 static struct platform_device *hp6xx_devices[] __initdata = {
  55         &cf_ide_device,
  56         &jornadakbd_device,
  57 };
  58
  59 static void __init hp6xx_init_irq(void)
  60 {
  61         /* Gets touchscreen and powerbutton IRQ working */
  62         plat_irq_setup_pins(IRQ_MODE_IRQ);
  63 }
  64
  65 static int __init hp6xx_devices_setup(void)
  66 {
  67         return platform_add_devices(hp6xx_devices, ARRAY_SIZE(hp6xx_devices));
  68 }
  69
  70 static void __init hp6xx_setup(char **cmdline_p)
  71 {
  72         u8 v8;
  73         u16 v;
  74
  75         v = inw(HD64461_STBCR);
  76         v |=    HD64461_STBCR_SURTST | HD64461_STBCR_SIRST      |
  77                 HD64461_STBCR_STM1ST | HD64461_STBCR_STM0ST     |
  78                 HD64461_STBCR_SAFEST | HD64461_STBCR_SPC0ST     |
  79                 HD64461_STBCR_SMIAST | HD64461_STBCR_SAFECKE_OST|
  80                 HD64461_STBCR_SAFECKE_IST;
  81 #ifndef CONFIG_HD64461_ENABLER
  82         v |= HD64461_STBCR_SPC1ST;
  83 #endif
  84         outw(v, HD64461_STBCR);
  85         v = inw(HD64461_GPADR);
  86         v |= HD64461_GPADR_SPEAKER | HD64461_GPADR_PCMCIA0;
  87         outw(v, HD64461_GPADR);
  88
  89         outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC0GCR);
  90
  91 #ifndef CONFIG_HD64461_ENABLER
  92         outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC1GCR);
  93 #endif
  94
  95         sh_dac_output(0, DAC_SPEAKER_VOLUME);
  96         sh_dac_disable(DAC_SPEAKER_VOLUME);
  97         v8 = ctrl_inb(DACR);
  98         v8 &= ~DACR_DAE;
  99         ctrl_outb(v8,DACR);
 100
 101         v8 = ctrl_inb(SCPDR);
 102         v8 |= SCPDR_TS_SCAN_X | SCPDR_TS_SCAN_Y;
 103         v8 &= ~SCPDR_TS_SCAN_ENABLE;
 104         ctrl_outb(v8, SCPDR);
 105
 106         v = ctrl_inw(SCPCR);
 107         v &= ~SCPCR_TS_MASK;
 108         v |= SCPCR_TS_ENABLE;
 109         ctrl_outw(v, SCPCR);
 110 }
 111 device_initcall(hp6xx_devices_setup);
 112
 113 static struct sh_machine_vector mv_hp6xx __initmv = {
 114         .mv_name = "hp6xx",
 115         .mv_setup = hp6xx_setup,
 116         /* IRQ's : CPU(64) + CCHIP(16) + FREE_TO_USE(6) */
 117         .mv_nr_irqs = HD64461_IRQBASE + HD64461_IRQ_NUM + 6,
 118         .mv_irq_demux = hd64461_irq_demux,
 119         /* Enable IRQ0 -> IRQ3 in IRQ_MODE */
 120         .mv_init_irq = hp6xx_init_irq,
 121 };