kernel/2.6.29.6-aldebaran-rt/arch/sh/kernel/cpu/sh3/setup-sh7705.c

   1 /*
   2  * SH7705 Setup
   3  *
   4  *  Copyright (C) 2006, 2007  Paul Mundt
   5  *  Copyright (C) 2007  Nobuhiro Iwamatsu
   6  *
   7  * This file is subject to the terms and conditions of the GNU General Public
   8  * License.  See the file "COPYING" in the main directory of this archive
   9  * for more details.
  10  */
  11 #include <linux/platform_device.h>
  12 #include <linux/init.h>
  13 #include <linux/irq.h>
  14 #include <linux/serial.h>
  15 #include <linux/serial_sci.h>
  16 #include <asm/rtc.h>
  17
  18 enum {
  19         UNUSED = 0,
  20
  21         /* interrupt sources */
  22         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  23         PINT07, PINT815,
  24         DMAC_DEI0, DMAC_DEI1, DMAC_DEI2, DMAC_DEI3,
  25         SCIF0_ERI, SCIF0_RXI, SCIF0_TXI,
  26         SCIF2_ERI, SCIF2_RXI, SCIF2_TXI,
  27         ADC_ADI,
  28         USB_USI0, USB_USI1,
  29         TPU0, TPU1, TPU2, TPU3,
  30         TMU0, TMU1, TMU2_TUNI, TMU2_TICPI,
  31         RTC_ATI, RTC_PRI, RTC_CUI,
  32         WDT,
  33         REF_RCMI,
  34
  35         /* interrupt groups */
  36         RTC, TMU2, DMAC, USB, SCIF2, SCIF0,
  37 };
  38
  39 static struct intc_vect vectors[] __initdata = {
  40         /* IRQ0->5 are handled in setup-sh3.c */
  41         INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
  42         INTC_VECT(DMAC_DEI0, 0x800), INTC_VECT(DMAC_DEI1, 0x820),
  43         INTC_VECT(DMAC_DEI2, 0x840), INTC_VECT(DMAC_DEI3, 0x860),
  44         INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0),
  45         INTC_VECT(SCIF0_TXI, 0x8e0),
  46         INTC_VECT(SCIF2_ERI, 0x900), INTC_VECT(SCIF2_RXI, 0x920),
  47         INTC_VECT(SCIF2_TXI, 0x960),
  48         INTC_VECT(ADC_ADI, 0x980),
  49         INTC_VECT(USB_USI0, 0xa20), INTC_VECT(USB_USI1, 0xa40),
  50         INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
  51         INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
  52         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  53         INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460),
  54         INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0),
  55         INTC_VECT(RTC_CUI, 0x4c0),
  56         INTC_VECT(WDT, 0x560),
  57         INTC_VECT(REF_RCMI, 0x580),
  58 };
  59
  60 static struct intc_group groups[] __initdata = {
  61         INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
  62         INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI),
  63         INTC_GROUP(DMAC, DMAC_DEI0, DMAC_DEI1, DMAC_DEI2, DMAC_DEI3),
  64         INTC_GROUP(USB, USB_USI0, USB_USI1),
  65         INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI),
  66         INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_TXI),
  67 };
  68
  69 static struct intc_prio_reg prio_registers[] __initdata = {
  70         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  71         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
  72         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  73         { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
  74         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
  75         { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
  76         { 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
  77         { 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
  78
  79 };
  80
  81 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, groups,
  82                          NULL, prio_registers, NULL);
  83
  84 static struct plat_sci_port sci_platform_data[] = {
  85         {
  86                 .mapbase        = 0xa4410000,
  87                 .flags          = UPF_BOOT_AUTOCONF,
  88                 .type           = PORT_SCIF,
  89                 .irqs           = { 56, 57, 59 },
  90         }, {
  91                 .mapbase        = 0xa4400000,
  92                 .flags          = UPF_BOOT_AUTOCONF,
  93                 .type           = PORT_SCIF,
  94                 .irqs           = { 52, 53, 55 },
  95         }, {
  96                 .flags = 0,
  97         }
  98 };
  99
 100 static struct platform_device sci_device = {
 101         .name           = "sh-sci",
 102         .id             = -1,
 103         .dev            = {
 104                 .platform_data  = sci_platform_data,
 105         },
 106 };
 107
 108 static struct resource rtc_resources[] = {
 109         [0] =   {
 110                 .start  = 0xfffffec0,
 111                 .end    = 0xfffffec0 + 0x1e,
 112                 .flags  = IORESOURCE_IO,
 113         },
 114         [1] =   {
 115                 .start  = 20,
 116                 .flags  = IORESOURCE_IRQ,
 117         },
 118         [2] =   {
 119                 .start  = 21,
 120                 .flags  = IORESOURCE_IRQ,
 121         },
 122         [3] =   {
 123                 .start  = 22,
 124                 .flags  = IORESOURCE_IRQ,
 125         },
 126 };
 127
 128 static struct sh_rtc_platform_info rtc_info = {
 129         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
 130 };
 131
 132 static struct platform_device rtc_device = {
 133         .name           = "sh-rtc",
 134         .id             = -1,
 135         .num_resources  = ARRAY_SIZE(rtc_resources),
 136         .resource       = rtc_resources,
 137         .dev            = {
 138                 .platform_data = &rtc_info,
 139         },
 140 };
 141
 142 static struct platform_device *sh7705_devices[] __initdata = {
 143         &sci_device,
 144         &rtc_device,
 145 };
 146
 147 static int __init sh7705_devices_setup(void)
 148 {
 149         return platform_add_devices(sh7705_devices,
 150                                     ARRAY_SIZE(sh7705_devices));
 151 }
 152 __initcall(sh7705_devices_setup);
 153
 154 void __init plat_irq_setup(void)
 155 {
 156         register_intc_controller(&intc_desc);
 157         plat_irq_setup_sh3();
 158 }