kernel/arch/sh/kernel/cpu/sh3/setup-sh7705.c

   1 /*
   2  * SH7705 Setup
   3  *
   4  *  Copyright (C) 2006 - 2009  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 <linux/sh_timer.h>
  17 #include <linux/sh_intc.h>
  18 #include <asm/rtc.h>
  19 #include <cpu/serial.h>
  20
  21 enum {
  22         UNUSED = 0,
  23
  24         /* interrupt sources */
  25         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  26         PINT07, PINT815,
  27
  28         DMAC, SCIF0, SCIF2, ADC_ADI, USB,
  29
  30         TPU0, TPU1, TPU2, TPU3,
  31         TMU0, TMU1, TMU2,
  32
  33         RTC, WDT, REF_RCMI,
  34 };
  35
  36 static struct intc_vect vectors[] __initdata = {
  37         /* IRQ0->5 are handled in setup-sh3.c */
  38         INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
  39         INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
  40         INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
  41         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  42         INTC_VECT(SCIF0, 0x8e0),
  43         INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
  44         INTC_VECT(SCIF2, 0x960),
  45         INTC_VECT(ADC_ADI, 0x980),
  46         INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40),
  47         INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
  48         INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
  49         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  50         INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
  51         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  52         INTC_VECT(RTC, 0x4c0),
  53         INTC_VECT(WDT, 0x560),
  54         INTC_VECT(REF_RCMI, 0x580),
  55 };
  56
  57 static struct intc_prio_reg prio_registers[] __initdata = {
  58         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  59         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
  60         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  61         { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
  62         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
  63         { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
  64         { 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
  65         { 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
  66
  67 };
  68
  69 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL,
  70                          NULL, prio_registers, NULL);
  71
  72 static struct plat_sci_port scif0_platform_data = {
  73         .flags          = UPF_BOOT_AUTOCONF,
  74         .scscr          = SCSCR_TIE | SCSCR_RIE  | SCSCR_TE |
  75                           SCSCR_RE  | SCSCR_CKE1 | SCSCR_CKE0,
  76         .type           = PORT_SCIF,
  77         .ops            = &sh770x_sci_port_ops,
  78         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
  79 };
  80
  81 static struct resource scif0_resources[] = {
  82         DEFINE_RES_MEM(0xa4410000, 0x100),
  83         DEFINE_RES_IRQ(evt2irq(0x900)),
  84 };
  85
  86 static struct platform_device scif0_device = {
  87         .name           = "sh-sci",
  88         .id             = 0,
  89         .resource       = scif0_resources,
  90         .num_resources  = ARRAY_SIZE(scif0_resources),
  91         .dev            = {
  92                 .platform_data  = &scif0_platform_data,
  93         },
  94 };
  95
  96 static struct plat_sci_port scif1_platform_data = {
  97         .flags          = UPF_BOOT_AUTOCONF,
  98         .scscr          = SCSCR_TIE | SCSCR_RIE | SCSCR_TE | SCSCR_RE,
  99         .type           = PORT_SCIF,
 100         .ops            = &sh770x_sci_port_ops,
 101         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
 102 };
 103
 104 static struct resource scif1_resources[] = {
 105         DEFINE_RES_MEM(0xa4400000, 0x100),
 106         DEFINE_RES_IRQ(evt2irq(0x880)),
 107 };
 108
 109 static struct platform_device scif1_device = {
 110         .name           = "sh-sci",
 111         .id             = 1,
 112         .resource       = scif1_resources,
 113         .num_resources  = ARRAY_SIZE(scif1_resources),
 114         .dev            = {
 115                 .platform_data  = &scif1_platform_data,
 116         },
 117 };
 118
 119 static struct resource rtc_resources[] = {
 120         [0] =   {
 121                 .start  = 0xfffffec0,
 122                 .end    = 0xfffffec0 + 0x1e,
 123                 .flags  = IORESOURCE_IO,
 124         },
 125         [1] =   {
 126                 .start  = evt2irq(0x480),
 127                 .flags  = IORESOURCE_IRQ,
 128         },
 129 };
 130
 131 static struct sh_rtc_platform_info rtc_info = {
 132         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
 133 };
 134
 135 static struct platform_device rtc_device = {
 136         .name           = "sh-rtc",
 137         .id             = -1,
 138         .num_resources  = ARRAY_SIZE(rtc_resources),
 139         .resource       = rtc_resources,
 140         .dev            = {
 141                 .platform_data = &rtc_info,
 142         },
 143 };
 144
 145 static struct sh_timer_config tmu0_platform_data = {
 146         .channels_mask = 7,
 147 };
 148
 149 static struct resource tmu0_resources[] = {
 150         DEFINE_RES_MEM(0xfffffe90, 0x2c),
 151         DEFINE_RES_IRQ(evt2irq(0x400)),
 152         DEFINE_RES_IRQ(evt2irq(0x420)),
 153         DEFINE_RES_IRQ(evt2irq(0x440)),
 154 };
 155
 156 static struct platform_device tmu0_device = {
 157         .name           = "sh-tmu-sh3",
 158         .id             = 0,
 159         .dev = {
 160                 .platform_data  = &tmu0_platform_data,
 161         },
 162         .resource       = tmu0_resources,
 163         .num_resources  = ARRAY_SIZE(tmu0_resources),
 164 };
 165
 166 static struct platform_device *sh7705_devices[] __initdata = {
 167         &scif0_device,
 168         &scif1_device,
 169         &tmu0_device,
 170         &rtc_device,
 171 };
 172
 173 static int __init sh7705_devices_setup(void)
 174 {
 175         return platform_add_devices(sh7705_devices,
 176                                     ARRAY_SIZE(sh7705_devices));
 177 }
 178 arch_initcall(sh7705_devices_setup);
 179
 180 static struct platform_device *sh7705_early_devices[] __initdata = {
 181         &scif0_device,
 182         &scif1_device,
 183         &tmu0_device,
 184 };
 185
 186 void __init plat_early_device_setup(void)
 187 {
 188         early_platform_add_devices(sh7705_early_devices,
 189                                    ARRAY_SIZE(sh7705_early_devices));
 190 }
 191
 192 void __init plat_irq_setup(void)
 193 {
 194         register_intc_controller(&intc_desc);
 195         plat_irq_setup_sh3();
 196 }