linux/arch/sh/kernel/cpu/sh2a/setup-sh7201.c
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   1/*
   2 *  SH7201 setup
   3 *
   4 *  Copyright (C) 2008  Peter Griffin pgriffin@mpc-data.co.uk
   5 *  Copyright (C) 2009  Paul Mundt
   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/serial.h>
  14#include <linux/serial_sci.h>
  15#include <linux/sh_timer.h>
  16#include <linux/io.h>
  17
  18enum {
  19        UNUSED = 0,
  20
  21        /* interrupt sources */
  22        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
  23        PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
  24
  25        ADC_ADI,
  26
  27        MTU20_ABCD, MTU20_VEF, MTU21_AB, MTU21_VU, MTU22_AB, MTU22_VU,
  28        MTU23_ABCD, MTU24_ABCD, MTU25_UVW, MTU2_TCI3V, MTU2_TCI4V,
  29
  30        RTC, WDT,
  31
  32        IIC30, IIC31, IIC32,
  33
  34        DMAC0_DMINT0, DMAC1_DMINT1,
  35        DMAC2_DMINT2, DMAC3_DMINT3,
  36
  37        SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5, SCIF6, SCIF7,
  38
  39        DMAC0_DMINTA, DMAC4_DMINT4, DMAC5_DMINT5, DMAC6_DMINT6,
  40        DMAC7_DMINT7,
  41
  42        RCAN0, RCAN1,
  43
  44        SSI0_SSII, SSI1_SSII,
  45
  46        TMR0, TMR1,
  47
  48        /* interrupt groups */
  49        PINT,
  50};
  51
  52static struct intc_vect vectors[] __initdata = {
  53        INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
  54        INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
  55        INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
  56        INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
  57
  58        INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
  59        INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
  60        INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
  61        INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
  62
  63        INTC_IRQ(ADC_ADI, 92),
  64
  65        INTC_IRQ(MTU20_ABCD, 108), INTC_IRQ(MTU20_ABCD, 109),
  66        INTC_IRQ(MTU20_ABCD, 110), INTC_IRQ(MTU20_ABCD, 111),
  67
  68        INTC_IRQ(MTU20_VEF, 112), INTC_IRQ(MTU20_VEF, 113),
  69        INTC_IRQ(MTU20_VEF, 114),
  70
  71        INTC_IRQ(MTU21_AB, 116), INTC_IRQ(MTU21_AB, 117),
  72        INTC_IRQ(MTU21_VU, 120), INTC_IRQ(MTU21_VU, 121),
  73
  74        INTC_IRQ(MTU22_AB, 124), INTC_IRQ(MTU22_AB, 125),
  75        INTC_IRQ(MTU22_VU, 128), INTC_IRQ(MTU22_VU, 129),
  76
  77        INTC_IRQ(MTU23_ABCD, 132), INTC_IRQ(MTU23_ABCD, 133),
  78        INTC_IRQ(MTU23_ABCD, 134), INTC_IRQ(MTU23_ABCD, 135),
  79
  80        INTC_IRQ(MTU2_TCI3V, 136),
  81
  82        INTC_IRQ(MTU24_ABCD, 140), INTC_IRQ(MTU24_ABCD, 141),
  83        INTC_IRQ(MTU24_ABCD, 142), INTC_IRQ(MTU24_ABCD, 143),
  84
  85        INTC_IRQ(MTU2_TCI4V, 144),
  86
  87        INTC_IRQ(MTU25_UVW, 148), INTC_IRQ(MTU25_UVW, 149),
  88        INTC_IRQ(MTU25_UVW, 150),
  89
  90        INTC_IRQ(RTC, 152), INTC_IRQ(RTC, 153),
  91        INTC_IRQ(RTC, 154),
  92
  93        INTC_IRQ(WDT, 156),
  94
  95        INTC_IRQ(IIC30, 157), INTC_IRQ(IIC30, 158),
  96        INTC_IRQ(IIC30, 159), INTC_IRQ(IIC30, 160),
  97        INTC_IRQ(IIC30, 161),
  98
  99        INTC_IRQ(IIC31, 164), INTC_IRQ(IIC31, 165),
 100        INTC_IRQ(IIC31, 166), INTC_IRQ(IIC31, 167),
 101        INTC_IRQ(IIC31, 168),
 102
 103        INTC_IRQ(IIC32, 170), INTC_IRQ(IIC32, 171),
 104        INTC_IRQ(IIC32, 172), INTC_IRQ(IIC32, 173),
 105        INTC_IRQ(IIC32, 174),
 106
 107        INTC_IRQ(DMAC0_DMINT0, 176), INTC_IRQ(DMAC1_DMINT1, 177),
 108        INTC_IRQ(DMAC2_DMINT2, 178), INTC_IRQ(DMAC3_DMINT3, 179),
 109
 110        INTC_IRQ(SCIF0, 180), INTC_IRQ(SCIF0, 181),
 111        INTC_IRQ(SCIF0, 182), INTC_IRQ(SCIF0, 183),
 112        INTC_IRQ(SCIF1, 184), INTC_IRQ(SCIF1, 185),
 113        INTC_IRQ(SCIF1, 186), INTC_IRQ(SCIF1, 187),
 114        INTC_IRQ(SCIF2, 188), INTC_IRQ(SCIF2, 189),
 115        INTC_IRQ(SCIF2, 190), INTC_IRQ(SCIF2, 191),
 116        INTC_IRQ(SCIF3, 192), INTC_IRQ(SCIF3, 193),
 117        INTC_IRQ(SCIF3, 194), INTC_IRQ(SCIF3, 195),
 118        INTC_IRQ(SCIF4, 196), INTC_IRQ(SCIF4, 197),
 119        INTC_IRQ(SCIF4, 198), INTC_IRQ(SCIF4, 199),
 120        INTC_IRQ(SCIF5, 200), INTC_IRQ(SCIF5, 201),
 121        INTC_IRQ(SCIF5, 202), INTC_IRQ(SCIF5, 203),
 122        INTC_IRQ(SCIF6, 204), INTC_IRQ(SCIF6, 205),
 123        INTC_IRQ(SCIF6, 206), INTC_IRQ(SCIF6, 207),
 124        INTC_IRQ(SCIF7, 208), INTC_IRQ(SCIF7, 209),
 125        INTC_IRQ(SCIF7, 210), INTC_IRQ(SCIF7, 211),
 126
 127        INTC_IRQ(DMAC0_DMINTA, 212), INTC_IRQ(DMAC4_DMINT4, 216),
 128        INTC_IRQ(DMAC5_DMINT5, 217), INTC_IRQ(DMAC6_DMINT6, 218),
 129        INTC_IRQ(DMAC7_DMINT7, 219),
 130
 131        INTC_IRQ(RCAN0, 228), INTC_IRQ(RCAN0, 229),
 132        INTC_IRQ(RCAN0, 230),
 133        INTC_IRQ(RCAN0, 231), INTC_IRQ(RCAN0, 232),
 134
 135        INTC_IRQ(RCAN1, 234), INTC_IRQ(RCAN1, 235),
 136        INTC_IRQ(RCAN1, 236),
 137        INTC_IRQ(RCAN1, 237), INTC_IRQ(RCAN1, 238),
 138
 139        INTC_IRQ(SSI0_SSII, 244), INTC_IRQ(SSI1_SSII, 245),
 140
 141        INTC_IRQ(TMR0, 246), INTC_IRQ(TMR0, 247),
 142        INTC_IRQ(TMR0, 248),
 143
 144        INTC_IRQ(TMR1, 252), INTC_IRQ(TMR1, 253),
 145        INTC_IRQ(TMR1, 254),
 146};
 147
 148static struct intc_group groups[] __initdata = {
 149        INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
 150                   PINT4, PINT5, PINT6, PINT7),
 151};
 152
 153static struct intc_prio_reg prio_registers[] __initdata = {
 154        { 0xfffe9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
 155        { 0xfffe941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
 156        { 0xfffe9420, 0, 16, 4, /* IPR05 */ { PINT, 0, ADC_ADI, 0 } },
 157        { 0xfffe9800, 0, 16, 4, /* IPR06 */ { 0, MTU20_ABCD, MTU20_VEF, MTU21_AB } },
 158        { 0xfffe9802, 0, 16, 4, /* IPR07 */ { MTU21_VU, MTU22_AB, MTU22_VU,  MTU23_ABCD } },
 159        { 0xfffe9804, 0, 16, 4, /* IPR08 */ { MTU2_TCI3V, MTU24_ABCD, MTU2_TCI4V, MTU25_UVW } },
 160
 161        { 0xfffe9806, 0, 16, 4, /* IPR09 */ { RTC, WDT, IIC30, 0 } },
 162        { 0xfffe9808, 0, 16, 4, /* IPR10 */ { IIC31, IIC32, DMAC0_DMINT0, DMAC1_DMINT1 } },
 163        { 0xfffe980a, 0, 16, 4, /* IPR11 */ { DMAC2_DMINT2, DMAC3_DMINT3, SCIF0, SCIF1 } },
 164        { 0xfffe980c, 0, 16, 4, /* IPR12 */ { SCIF2, SCIF3, SCIF4, SCIF5 } },
 165        { 0xfffe980e, 0, 16, 4, /* IPR13 */ { SCIF6, SCIF7, DMAC0_DMINTA, DMAC4_DMINT4  } },
 166        { 0xfffe9810, 0, 16, 4, /* IPR14 */ { DMAC5_DMINT5, DMAC6_DMINT6, DMAC7_DMINT7, 0 } },
 167        { 0xfffe9812, 0, 16, 4, /* IPR15 */ { 0, RCAN0, RCAN1, 0 } },
 168        { 0xfffe9814, 0, 16, 4, /* IPR16 */ { SSI0_SSII, SSI1_SSII, TMR0, TMR1 } },
 169};
 170
 171static struct intc_mask_reg mask_registers[] __initdata = {
 172        { 0xfffe9408, 0, 16, /* PINTER */
 173          { 0, 0, 0, 0, 0, 0, 0, 0,
 174            PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
 175};
 176
 177static DECLARE_INTC_DESC(intc_desc, "sh7201", vectors, groups,
 178                         mask_registers, prio_registers, NULL);
 179
 180static struct plat_sci_port scif0_platform_data = {
 181        .flags          = UPF_BOOT_AUTOCONF,
 182        .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 183        .type           = PORT_SCIF,
 184};
 185
 186static struct resource scif0_resources[] = {
 187        DEFINE_RES_MEM(0xfffe8000, 0x100),
 188        DEFINE_RES_IRQ(180),
 189};
 190
 191static struct platform_device scif0_device = {
 192        .name           = "sh-sci",
 193        .id             = 0,
 194        .resource       = scif0_resources,
 195        .num_resources  = ARRAY_SIZE(scif0_resources),
 196        .dev            = {
 197                .platform_data  = &scif0_platform_data,
 198        },
 199};
 200
 201static struct plat_sci_port scif1_platform_data = {
 202        .flags          = UPF_BOOT_AUTOCONF,
 203        .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 204        .type           = PORT_SCIF,
 205};
 206
 207static struct resource scif1_resources[] = {
 208        DEFINE_RES_MEM(0xfffe8800, 0x100),
 209        DEFINE_RES_IRQ(184),
 210};
 211
 212static struct platform_device scif1_device = {
 213        .name           = "sh-sci",
 214        .id             = 1,
 215        .resource       = scif1_resources,
 216        .num_resources  = ARRAY_SIZE(scif1_resources),
 217        .dev            = {
 218                .platform_data  = &scif1_platform_data,
 219        },
 220};
 221
 222static struct plat_sci_port scif2_platform_data = {
 223        .flags          = UPF_BOOT_AUTOCONF,
 224        .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 225        .type           = PORT_SCIF,
 226};
 227
 228static struct resource scif2_resources[] = {
 229        DEFINE_RES_MEM(0xfffe9000, 0x100),
 230        DEFINE_RES_IRQ(188),
 231};
 232
 233static struct platform_device scif2_device = {
 234        .name           = "sh-sci",
 235        .id             = 2,
 236        .resource       = scif2_resources,
 237        .num_resources  = ARRAY_SIZE(scif2_resources),
 238        .dev            = {
 239                .platform_data  = &scif2_platform_data,
 240        },
 241};
 242
 243static struct plat_sci_port scif3_platform_data = {
 244        .flags          = UPF_BOOT_AUTOCONF,
 245        .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 246        .type           = PORT_SCIF,
 247};
 248
 249static struct resource scif3_resources[] = {
 250        DEFINE_RES_MEM(0xfffe9800, 0x100),
 251        DEFINE_RES_IRQ(192),
 252};
 253
 254static struct platform_device scif3_device = {
 255        .name           = "sh-sci",
 256        .id             = 3,
 257        .resource       = scif3_resources,
 258        .num_resources  = ARRAY_SIZE(scif3_resources),
 259        .dev            = {
 260                .platform_data  = &scif3_platform_data,
 261        },
 262};
 263
 264static struct plat_sci_port scif4_platform_data = {
 265        .flags          = UPF_BOOT_AUTOCONF,
 266        .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 267        .type           = PORT_SCIF,
 268};
 269
 270static struct resource scif4_resources[] = {
 271        DEFINE_RES_MEM(0xfffea000, 0x100),
 272        DEFINE_RES_IRQ(196),
 273};
 274
 275static struct platform_device scif4_device = {
 276        .name           = "sh-sci",
 277        .id             = 4,
 278        .resource       = scif4_resources,
 279        .num_resources  = ARRAY_SIZE(scif4_resources),
 280        .dev            = {
 281                .platform_data  = &scif4_platform_data,
 282        },
 283};
 284
 285static struct plat_sci_port scif5_platform_data = {
 286        .flags          = UPF_BOOT_AUTOCONF,
 287        .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 288        .type           = PORT_SCIF,
 289};
 290
 291static struct resource scif5_resources[] = {
 292        DEFINE_RES_MEM(0xfffea800, 0x100),
 293        DEFINE_RES_IRQ(200),
 294};
 295
 296static struct platform_device scif5_device = {
 297        .name           = "sh-sci",
 298        .id             = 5,
 299        .resource       = scif5_resources,
 300        .num_resources  = ARRAY_SIZE(scif5_resources),
 301        .dev            = {
 302                .platform_data  = &scif5_platform_data,
 303        },
 304};
 305
 306static struct plat_sci_port scif6_platform_data = {
 307        .flags          = UPF_BOOT_AUTOCONF,
 308        .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 309        .type           = PORT_SCIF,
 310};
 311
 312static struct resource scif6_resources[] = {
 313        DEFINE_RES_MEM(0xfffeb000, 0x100),
 314        DEFINE_RES_IRQ(204),
 315};
 316
 317static struct platform_device scif6_device = {
 318        .name           = "sh-sci",
 319        .id             = 6,
 320        .resource       = scif6_resources,
 321        .num_resources  = ARRAY_SIZE(scif6_resources),
 322        .dev            = {
 323                .platform_data  = &scif6_platform_data,
 324        },
 325};
 326
 327static struct plat_sci_port scif7_platform_data = {
 328        .flags          = UPF_BOOT_AUTOCONF,
 329        .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 330        .type           = PORT_SCIF,
 331};
 332
 333static struct resource scif7_resources[] = {
 334        DEFINE_RES_MEM(0xfffeb800, 0x100),
 335        DEFINE_RES_IRQ(208),
 336};
 337
 338static struct platform_device scif7_device = {
 339        .name           = "sh-sci",
 340        .id             = 7,
 341        .resource       = scif7_resources,
 342        .num_resources  = ARRAY_SIZE(scif7_resources),
 343        .dev            = {
 344                .platform_data  = &scif7_platform_data,
 345        },
 346};
 347
 348static struct resource rtc_resources[] = {
 349        [0] = {
 350                .start  = 0xffff0800,
 351                .end    = 0xffff2000 + 0x58 - 1,
 352                .flags  = IORESOURCE_IO,
 353        },
 354        [1] = {
 355                /* Shared Period/Carry/Alarm IRQ */
 356                .start  = 152,
 357                .flags  = IORESOURCE_IRQ,
 358        },
 359};
 360
 361static struct platform_device rtc_device = {
 362        .name           = "sh-rtc",
 363        .id             = -1,
 364        .num_resources  = ARRAY_SIZE(rtc_resources),
 365        .resource       = rtc_resources,
 366};
 367
 368static struct resource mtu2_resources[] = {
 369        DEFINE_RES_MEM(0xfffe4000, 0x400),
 370        DEFINE_RES_IRQ_NAMED(108, "tgi0a"),
 371        DEFINE_RES_IRQ_NAMED(116, "tgi1a"),
 372        DEFINE_RES_IRQ_NAMED(124, "tgi1b"),
 373};
 374
 375static struct platform_device mtu2_device = {
 376        .name           = "sh-mtu2",
 377        .id             = -1,
 378        .resource       = mtu2_resources,
 379        .num_resources  = ARRAY_SIZE(mtu2_resources),
 380};
 381
 382static struct platform_device *sh7201_devices[] __initdata = {
 383        &scif0_device,
 384        &scif1_device,
 385        &scif2_device,
 386        &scif3_device,
 387        &scif4_device,
 388        &scif5_device,
 389        &scif6_device,
 390        &scif7_device,
 391        &rtc_device,
 392        &mtu2_device,
 393};
 394
 395static int __init sh7201_devices_setup(void)
 396{
 397        return platform_add_devices(sh7201_devices,
 398                                    ARRAY_SIZE(sh7201_devices));
 399}
 400arch_initcall(sh7201_devices_setup);
 401
 402void __init plat_irq_setup(void)
 403{
 404        register_intc_controller(&intc_desc);
 405}
 406
 407static struct platform_device *sh7201_early_devices[] __initdata = {
 408        &scif0_device,
 409        &scif1_device,
 410        &scif2_device,
 411        &scif3_device,
 412        &scif4_device,
 413        &scif5_device,
 414        &scif6_device,
 415        &scif7_device,
 416        &mtu2_device,
 417};
 418
 419#define STBCR3 0xfffe0408
 420
 421void __init plat_early_device_setup(void)
 422{
 423        /* enable MTU2 clock */
 424        __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
 425
 426        early_platform_add_devices(sh7201_early_devices,
 427                                   ARRAY_SIZE(sh7201_early_devices));
 428}
 429