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 <asm/rtc.h>
  18
  19 enum {
  20         UNUSED = 0,
  21
  22         /* interrupt sources */
  23         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  24         PINT07, PINT815,
  25
  26         DMAC, SCIF0, SCIF2, ADC_ADI, USB,
  27
  28         TPU0, TPU1, TPU2, TPU3,
  29         TMU0, TMU1, TMU2,
  30
  31         RTC, WDT, REF_RCMI,
  32 };
  33
  34 static struct intc_vect vectors[] __initdata = {
  35         /* IRQ0->5 are handled in setup-sh3.c */
  36         INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
  37         INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
  38         INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
  39         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  40         INTC_VECT(SCIF0, 0x8e0),
  41         INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
  42         INTC_VECT(SCIF2, 0x960),
  43         INTC_VECT(ADC_ADI, 0x980),
  44         INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40),
  45         INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
  46         INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
  47         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  48         INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
  49         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  50         INTC_VECT(RTC, 0x4c0),
  51         INTC_VECT(WDT, 0x560),
  52         INTC_VECT(REF_RCMI, 0x580),
  53 };
  54
  55 static struct intc_prio_reg prio_registers[] __initdata = {
  56         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  57         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
  58         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  59         { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
  60         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
  61         { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
  62         { 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
  63         { 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
  64
  65 };
  66
  67 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL,
  68                          NULL, prio_registers, NULL);
  69
  70 static struct plat_sci_port sci_platform_data[] = {
  71         {
  72                 .mapbase        = 0xa4410000,
  73                 .flags          = UPF_BOOT_AUTOCONF,
  74                 .scscr          = SCSCR_TIE | SCSCR_RIE  | SCSCR_TE |
  75                                   SCSCR_RE  | SCSCR_CKE1 | SCSCR_CKE0,
  76                 .scbrr_algo_id  = SCBRR_ALGO_4,
  77                 .type           = PORT_SCIF,
  78                 .irqs           = { 56, 56, 56 },
  79         }, {
  80                 .mapbase        = 0xa4400000,
  81                 .flags          = UPF_BOOT_AUTOCONF,
  82                 .scscr          = SCSCR_TIE | SCSCR_RIE | SCSCR_TE | SCSCR_RE,
  83                 .scbrr_algo_id  = SCBRR_ALGO_4,
  84                 .type           = PORT_SCIF,
  85                 .irqs           = { 52, 52, 52 },
  86         }, {
  87                 .flags = 0,
  88         }
  89 };
  90
  91 static struct platform_device sci_device = {
  92         .name           = "sh-sci",
  93         .id             = -1,
  94         .dev            = {
  95                 .platform_data  = sci_platform_data,
  96         },
  97 };
  98
  99 static struct resource rtc_resources[] = {
 100         [0] =   {
 101                 .start  = 0xfffffec0,
 102                 .end    = 0xfffffec0 + 0x1e,
 103                 .flags  = IORESOURCE_IO,
 104         },
 105         [1] =   {
 106                 .start  = 20,
 107                 .flags  = IORESOURCE_IRQ,
 108         },
 109 };
 110
 111 static struct sh_rtc_platform_info rtc_info = {
 112         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
 113 };
 114
 115 static struct platform_device rtc_device = {
 116         .name           = "sh-rtc",
 117         .id             = -1,
 118         .num_resources  = ARRAY_SIZE(rtc_resources),
 119         .resource       = rtc_resources,
 120         .dev            = {
 121                 .platform_data = &rtc_info,
 122         },
 123 };
 124
 125 static struct sh_timer_config tmu0_platform_data = {
 126         .name = "TMU0",
 127         .channel_offset = 0x02,
 128         .timer_bit = 0,
 129         .clk = "peripheral_clk",
 130         .clockevent_rating = 200,
 131 };
 132
 133 static struct resource tmu0_resources[] = {
 134         [0] = {
 135                 .name   = "TMU0",
 136                 .start  = 0xfffffe94,
 137                 .end    = 0xfffffe9f,
 138                 .flags  = IORESOURCE_MEM,
 139         },
 140         [1] = {
 141                 .start  = 16,
 142                 .flags  = IORESOURCE_IRQ,
 143         },
 144 };
 145
 146 static struct platform_device tmu0_device = {
 147         .name           = "sh_tmu",
 148         .id             = 0,
 149         .dev = {
 150                 .platform_data  = &tmu0_platform_data,
 151         },
 152         .resource       = tmu0_resources,
 153         .num_resources  = ARRAY_SIZE(tmu0_resources),
 154 };
 155
 156 static struct sh_timer_config tmu1_platform_data = {
 157         .name = "TMU1",
 158         .channel_offset = 0xe,
 159         .timer_bit = 1,
 160         .clk = "peripheral_clk",
 161         .clocksource_rating = 200,
 162 };
 163
 164 static struct resource tmu1_resources[] = {
 165         [0] = {
 166                 .name   = "TMU1",
 167                 .start  = 0xfffffea0,
 168                 .end    = 0xfffffeab,
 169                 .flags  = IORESOURCE_MEM,
 170         },
 171         [1] = {
 172                 .start  = 17,
 173                 .flags  = IORESOURCE_IRQ,
 174         },
 175 };
 176
 177 static struct platform_device tmu1_device = {
 178         .name           = "sh_tmu",
 179         .id             = 1,
 180         .dev = {
 181                 .platform_data  = &tmu1_platform_data,
 182         },
 183         .resource       = tmu1_resources,
 184         .num_resources  = ARRAY_SIZE(tmu1_resources),
 185 };
 186
 187 static struct sh_timer_config tmu2_platform_data = {
 188         .name = "TMU2",
 189         .channel_offset = 0x1a,
 190         .timer_bit = 2,
 191         .clk = "peripheral_clk",
 192 };
 193
 194 static struct resource tmu2_resources[] = {
 195         [0] = {
 196                 .name   = "TMU2",
 197                 .start  = 0xfffffeac,
 198                 .end    = 0xfffffebb,
 199                 .flags  = IORESOURCE_MEM,
 200         },
 201         [1] = {
 202                 .start  = 18,
 203                 .flags  = IORESOURCE_IRQ,
 204         },
 205 };
 206
 207 static struct platform_device tmu2_device = {
 208         .name           = "sh_tmu",
 209         .id             = 2,
 210         .dev = {
 211                 .platform_data  = &tmu2_platform_data,
 212         },
 213         .resource       = tmu2_resources,
 214         .num_resources  = ARRAY_SIZE(tmu2_resources),
 215 };
 216
 217 static struct platform_device *sh7705_devices[] __initdata = {
 218         &tmu0_device,
 219         &tmu1_device,
 220         &tmu2_device,
 221         &sci_device,
 222         &rtc_device,
 223 };
 224
 225 static int __init sh7705_devices_setup(void)
 226 {
 227         return platform_add_devices(sh7705_devices,
 228                                     ARRAY_SIZE(sh7705_devices));
 229 }
 230 __initcall(sh7705_devices_setup);
 231
 232 static struct platform_device *sh7705_early_devices[] __initdata = {
 233         &tmu0_device,
 234         &tmu1_device,
 235         &tmu2_device,
 236 };
 237
 238 void __init plat_early_device_setup(void)
 239 {
 240         early_platform_add_devices(sh7705_early_devices,
 241                                    ARRAY_SIZE(sh7705_early_devices));
 242 }
 243
 244 void __init plat_irq_setup(void)
 245 {
 246         register_intc_controller(&intc_desc);
 247         plat_irq_setup_sh3();
 248 }