linux/arch/sh/kernel/cpu/sh2a/setup-sh7201.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 *  SH7201 setup
   4 *
   5 *  Copyright (C) 2008  Peter Griffin pgriffin@mpc-data.co.uk
   6 *  Copyright (C) 2009  Paul Mundt
   7 */
   8#include <linux/platform_device.h>
   9#include <linux/init.h>
  10#include <linux/serial.h>
  11#include <linux/serial_sci.h>
  12#include <linux/sh_timer.h>
  13#include <linux/io.h>
  14#include <asm/platform_early.h>
  15
  16enum {
  17        UNUSED = 0,
  18
  19        /* interrupt sources */
  20        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
  21        PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
  22
  23        ADC_ADI,
  24
  25        MTU20_ABCD, MTU20_VEF, MTU21_AB, MTU21_VU, MTU22_AB, MTU22_VU,
  26        MTU23_ABCD, MTU24_ABCD, MTU25_UVW, MTU2_TCI3V, MTU2_TCI4V,
  27
  28        RTC, WDT,
  29
  30        IIC30, IIC31, IIC32,
  31
  32        DMAC0_DMINT0, DMAC1_DMINT1,
  33        DMAC2_DMINT2, DMAC3_DMINT3,
  34
  35        SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5, SCIF6, SCIF7,
  36
  37        DMAC0_DMINTA, DMAC4_DMINT4, DMAC5_DMINT5, DMAC6_DMINT6,
  38        DMAC7_DMINT7,
  39
  40        RCAN0, RCAN1,
  41
  42        SSI0_SSII, SSI1_SSII,
  43
  44        TMR0, TMR1,
  45
  46        /* interrupt groups */
  47        PINT,
  48};
  49
  50static struct intc_vect vectors[] __initdata = {
  51        INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
  52        INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
  53        INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
  54        INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
  55
  56        INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
  57        INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
  58        INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
  59        INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
  60
  61        INTC_IRQ(ADC_ADI, 92),
  62
  63        INTC_IRQ(MTU20_ABCD, 108), INTC_IRQ(MTU20_ABCD, 109),
  64        INTC_IRQ(MTU20_ABCD, 110), INTC_IRQ(MTU20_ABCD, 111),
  65
  66        INTC_IRQ(MTU20_VEF, 112), INTC_IRQ(MTU20_VEF, 113),
  67        INTC_IRQ(MTU20_VEF, 114),
  68
  69        INTC_IRQ(MTU21_AB, 116), INTC_IRQ(MTU21_AB, 117),
  70        INTC_IRQ(MTU21_VU, 120), INTC_IRQ(MTU21_VU, 121),
  71
  72        INTC_IRQ(MTU22_AB, 124), INTC_IRQ(MTU22_AB, 125),
  73        INTC_IRQ(MTU22_VU, 128), INTC_IRQ(MTU22_VU, 129),
  74
  75        INTC_IRQ(MTU23_ABCD, 132), INTC_IRQ(MTU23_ABCD, 133),
  76        INTC_IRQ(MTU23_ABCD, 134), INTC_IRQ(MTU23_ABCD, 135),
  77
  78        INTC_IRQ(MTU2_TCI3V, 136),
  79
  80        INTC_IRQ(MTU24_ABCD, 140), INTC_IRQ(MTU24_ABCD, 141),
  81        INTC_IRQ(MTU24_ABCD, 142), INTC_IRQ(MTU24_ABCD, 143),
  82
  83        INTC_IRQ(MTU2_TCI4V, 144),
  84
  85        INTC_IRQ(MTU25_UVW, 148), INTC_IRQ(MTU25_UVW, 149),
  86        INTC_IRQ(MTU25_UVW, 150),
  87
  88        INTC_IRQ(RTC, 152), INTC_IRQ(RTC, 153),
  89        INTC_IRQ(RTC, 154),
  90
  91        INTC_IRQ(WDT, 156),
  92
  93        INTC_IRQ(IIC30, 157), INTC_IRQ(IIC30, 158),
  94        INTC_IRQ(IIC30, 159), INTC_IRQ(IIC30, 160),
  95        INTC_IRQ(IIC30, 161),
  96
  97        INTC_IRQ(IIC31, 164), INTC_IRQ(IIC31, 165),
  98        INTC_IRQ(IIC31, 166), INTC_IRQ(IIC31, 167),
  99        INTC_IRQ(IIC31, 168),
 100
 101        INTC_IRQ(IIC32, 170), INTC_IRQ(IIC32, 171),
 102        INTC_IRQ(IIC32, 172), INTC_IRQ(IIC32, 173),
 103        INTC_IRQ(IIC32, 174),
 104
 105        INTC_IRQ(DMAC0_DMINT0, 176), INTC_IRQ(DMAC1_DMINT1, 177),
 106        INTC_IRQ(DMAC2_DMINT2, 178), INTC_IRQ(DMAC3_DMINT3, 179),
 107
 108        INTC_IRQ(SCIF0, 180), INTC_IRQ(SCIF0, 181),
 109        INTC_IRQ(SCIF0, 182), INTC_IRQ(SCIF0, 183),
 110        INTC_IRQ(SCIF1, 184), INTC_IRQ(SCIF1, 185),
 111        INTC_IRQ(SCIF1, 186), INTC_IRQ(SCIF1, 187),
 112        INTC_IRQ(SCIF2, 188), INTC_IRQ(SCIF2, 189),
 113        INTC_IRQ(SCIF2, 190), INTC_IRQ(SCIF2, 191),
 114        INTC_IRQ(SCIF3, 192), INTC_IRQ(SCIF3, 193),
 115        INTC_IRQ(SCIF3, 194), INTC_IRQ(SCIF3, 195),
 116        INTC_IRQ(SCIF4, 196), INTC_IRQ(SCIF4, 197),
 117        INTC_IRQ(SCIF4, 198), INTC_IRQ(SCIF4, 199),
 118        INTC_IRQ(SCIF5, 200), INTC_IRQ(SCIF5, 201),
 119        INTC_IRQ(SCIF5, 202), INTC_IRQ(SCIF5, 203),
 120        INTC_IRQ(SCIF6, 204), INTC_IRQ(SCIF6, 205),
 121        INTC_IRQ(SCIF6, 206), INTC_IRQ(SCIF6, 207),
 122        INTC_IRQ(SCIF7, 208), INTC_IRQ(SCIF7, 209),
 123        INTC_IRQ(SCIF7, 210), INTC_IRQ(SCIF7, 211),
 124
 125        INTC_IRQ(DMAC0_DMINTA, 212), INTC_IRQ(DMAC4_DMINT4, 216),
 126        INTC_IRQ(DMAC5_DMINT5, 217), INTC_IRQ(DMAC6_DMINT6, 218),
 127        INTC_IRQ(DMAC7_DMINT7, 219),
 128
 129        INTC_IRQ(RCAN0, 228), INTC_IRQ(RCAN0, 229),
 130        INTC_IRQ(RCAN0, 230),
 131        INTC_IRQ(RCAN0, 231), INTC_IRQ(RCAN0, 232),
 132
 133        INTC_IRQ(RCAN1, 234), INTC_IRQ(RCAN1, 235),
 134        INTC_IRQ(RCAN1, 236),
 135        INTC_IRQ(RCAN1, 237), INTC_IRQ(RCAN1, 238),
 136
 137        INTC_IRQ(SSI0_SSII, 244), INTC_IRQ(SSI1_SSII, 245),
 138
 139        INTC_IRQ(TMR0, 246), INTC_IRQ(TMR0, 247),
 140        INTC_IRQ(TMR0, 248),
 141
 142        INTC_IRQ(TMR1, 252), INTC_IRQ(TMR1, 253),
 143        INTC_IRQ(TMR1, 254),
 144};
 145
 146static struct intc_group groups[] __initdata = {
 147        INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
 148                   PINT4, PINT5, PINT6, PINT7),
 149};
 150
 151static struct intc_prio_reg prio_registers[] __initdata = {
 152        { 0xfffe9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
 153        { 0xfffe941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
 154        { 0xfffe9420, 0, 16, 4, /* IPR05 */ { PINT, 0, ADC_ADI, 0 } },
 155        { 0xfffe9800, 0, 16, 4, /* IPR06 */ { 0, MTU20_ABCD, MTU20_VEF, MTU21_AB } },
 156        { 0xfffe9802, 0, 16, 4, /* IPR07 */ { MTU21_VU, MTU22_AB, MTU22_VU,  MTU23_ABCD } },
 157        { 0xfffe9804, 0, 16, 4, /* IPR08 */ { MTU2_TCI3V, MTU24_ABCD, MTU2_TCI4V, MTU25_UVW } },
 158
 159        { 0xfffe9806, 0, 16, 4, /* IPR09 */ { RTC, WDT, IIC30, 0 } },
 160        { 0xfffe9808, 0, 16, 4, /* IPR10 */ { IIC31, IIC32, DMAC0_DMINT0, DMAC1_DMINT1 } },
 161        { 0xfffe980a, 0, 16, 4, /* IPR11 */ { DMAC2_DMINT2, DMAC3_DMINT3, SCIF0, SCIF1 } },
 162        { 0xfffe980c, 0, 16, 4, /* IPR12 */ { SCIF2, SCIF3, SCIF4, SCIF5 } },
 163        { 0xfffe980e, 0, 16, 4, /* IPR13 */ { SCIF6, SCIF7, DMAC0_DMINTA, DMAC4_DMINT4  } },
 164        { 0xfffe9810, 0, 16, 4, /* IPR14 */ { DMAC5_DMINT5, DMAC6_DMINT6, DMAC7_DMINT7, 0 } },
 165        { 0xfffe9812, 0, 16, 4, /* IPR15 */ { 0, RCAN0, RCAN1, 0 } },
 166        { 0xfffe9814, 0, 16, 4, /* IPR16 */ { SSI0_SSII, SSI1_SSII, TMR0, TMR1 } },
 167};
 168
 169static struct intc_mask_reg mask_registers[] __initdata = {
 170        { 0xfffe9408, 0, 16, /* PINTER */
 171          { 0, 0, 0, 0, 0, 0, 0, 0,
 172            PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
 173};
 174
 175static DECLARE_INTC_DESC(intc_desc, "sh7201", vectors, groups,
 176                         mask_registers, prio_registers, NULL);
 177
 178static struct plat_sci_port scif0_platform_data = {
 179        .scscr          = SCSCR_REIE,
 180        .type           = PORT_SCIF,
 181};
 182
 183static struct resource scif0_resources[] = {
 184        DEFINE_RES_MEM(0xfffe8000, 0x100),
 185        DEFINE_RES_IRQ(180),
 186};
 187
 188static struct platform_device scif0_device = {
 189        .name           = "sh-sci",
 190        .id             = 0,
 191        .resource       = scif0_resources,
 192        .num_resources  = ARRAY_SIZE(scif0_resources),
 193        .dev            = {
 194                .platform_data  = &scif0_platform_data,
 195        },
 196};
 197
 198static struct plat_sci_port scif1_platform_data = {
 199        .scscr          = SCSCR_REIE,
 200        .type           = PORT_SCIF,
 201};
 202
 203static struct resource scif1_resources[] = {
 204        DEFINE_RES_MEM(0xfffe8800, 0x100),
 205        DEFINE_RES_IRQ(184),
 206};
 207
 208static struct platform_device scif1_device = {
 209        .name           = "sh-sci",
 210        .id             = 1,
 211        .resource       = scif1_resources,
 212        .num_resources  = ARRAY_SIZE(scif1_resources),
 213        .dev            = {
 214                .platform_data  = &scif1_platform_data,
 215        },
 216};
 217
 218static struct plat_sci_port scif2_platform_data = {
 219        .scscr          = SCSCR_REIE,
 220        .type           = PORT_SCIF,
 221};
 222
 223static struct resource scif2_resources[] = {
 224        DEFINE_RES_MEM(0xfffe9000, 0x100),
 225        DEFINE_RES_IRQ(188),
 226};
 227
 228static struct platform_device scif2_device = {
 229        .name           = "sh-sci",
 230        .id             = 2,
 231        .resource       = scif2_resources,
 232        .num_resources  = ARRAY_SIZE(scif2_resources),
 233        .dev            = {
 234                .platform_data  = &scif2_platform_data,
 235        },
 236};
 237
 238static struct plat_sci_port scif3_platform_data = {
 239        .scscr          = SCSCR_REIE,
 240        .type           = PORT_SCIF,
 241};
 242
 243static struct resource scif3_resources[] = {
 244        DEFINE_RES_MEM(0xfffe9800, 0x100),
 245        DEFINE_RES_IRQ(192),
 246};
 247
 248static struct platform_device scif3_device = {
 249        .name           = "sh-sci",
 250        .id             = 3,
 251        .resource       = scif3_resources,
 252        .num_resources  = ARRAY_SIZE(scif3_resources),
 253        .dev            = {
 254                .platform_data  = &scif3_platform_data,
 255        },
 256};
 257
 258static struct plat_sci_port scif4_platform_data = {
 259        .scscr          = SCSCR_REIE,
 260        .type           = PORT_SCIF,
 261};
 262
 263static struct resource scif4_resources[] = {
 264        DEFINE_RES_MEM(0xfffea000, 0x100),
 265        DEFINE_RES_IRQ(196),
 266};
 267
 268static struct platform_device scif4_device = {
 269        .name           = "sh-sci",
 270        .id             = 4,
 271        .resource       = scif4_resources,
 272        .num_resources  = ARRAY_SIZE(scif4_resources),
 273        .dev            = {
 274                .platform_data  = &scif4_platform_data,
 275        },
 276};
 277
 278static struct plat_sci_port scif5_platform_data = {
 279        .scscr          = SCSCR_REIE,
 280        .type           = PORT_SCIF,
 281};
 282
 283static struct resource scif5_resources[] = {
 284        DEFINE_RES_MEM(0xfffea800, 0x100),
 285        DEFINE_RES_IRQ(200),
 286};
 287
 288static struct platform_device scif5_device = {
 289        .name           = "sh-sci",
 290        .id             = 5,
 291        .resource       = scif5_resources,
 292        .num_resources  = ARRAY_SIZE(scif5_resources),
 293        .dev            = {
 294                .platform_data  = &scif5_platform_data,
 295        },
 296};
 297
 298static struct plat_sci_port scif6_platform_data = {
 299        .scscr          = SCSCR_REIE,
 300        .type           = PORT_SCIF,
 301};
 302
 303static struct resource scif6_resources[] = {
 304        DEFINE_RES_MEM(0xfffeb000, 0x100),
 305        DEFINE_RES_IRQ(204),
 306};
 307
 308static struct platform_device scif6_device = {
 309        .name           = "sh-sci",
 310        .id             = 6,
 311        .resource       = scif6_resources,
 312        .num_resources  = ARRAY_SIZE(scif6_resources),
 313        .dev            = {
 314                .platform_data  = &scif6_platform_data,
 315        },
 316};
 317
 318static struct plat_sci_port scif7_platform_data = {
 319        .scscr          = SCSCR_REIE,
 320        .type           = PORT_SCIF,
 321};
 322
 323static struct resource scif7_resources[] = {
 324        DEFINE_RES_MEM(0xfffeb800, 0x100),
 325        DEFINE_RES_IRQ(208),
 326};
 327
 328static struct platform_device scif7_device = {
 329        .name           = "sh-sci",
 330        .id             = 7,
 331        .resource       = scif7_resources,
 332        .num_resources  = ARRAY_SIZE(scif7_resources),
 333        .dev            = {
 334                .platform_data  = &scif7_platform_data,
 335        },
 336};
 337
 338static struct resource rtc_resources[] = {
 339        [0] = {
 340                .start  = 0xffff0800,
 341                .end    = 0xffff2000 + 0x58 - 1,
 342                .flags  = IORESOURCE_IO,
 343        },
 344        [1] = {
 345                /* Shared Period/Carry/Alarm IRQ */
 346                .start  = 152,
 347                .flags  = IORESOURCE_IRQ,
 348        },
 349};
 350
 351static struct platform_device rtc_device = {
 352        .name           = "sh-rtc",
 353        .id             = -1,
 354        .num_resources  = ARRAY_SIZE(rtc_resources),
 355        .resource       = rtc_resources,
 356};
 357
 358static struct resource mtu2_resources[] = {
 359        DEFINE_RES_MEM(0xfffe4000, 0x400),
 360        DEFINE_RES_IRQ_NAMED(108, "tgi0a"),
 361        DEFINE_RES_IRQ_NAMED(116, "tgi1a"),
 362        DEFINE_RES_IRQ_NAMED(124, "tgi1b"),
 363};
 364
 365static struct platform_device mtu2_device = {
 366        .name           = "sh-mtu2",
 367        .id             = -1,
 368        .resource       = mtu2_resources,
 369        .num_resources  = ARRAY_SIZE(mtu2_resources),
 370};
 371
 372static struct platform_device *sh7201_devices[] __initdata = {
 373        &scif0_device,
 374        &scif1_device,
 375        &scif2_device,
 376        &scif3_device,
 377        &scif4_device,
 378        &scif5_device,
 379        &scif6_device,
 380        &scif7_device,
 381        &rtc_device,
 382        &mtu2_device,
 383};
 384
 385static int __init sh7201_devices_setup(void)
 386{
 387        return platform_add_devices(sh7201_devices,
 388                                    ARRAY_SIZE(sh7201_devices));
 389}
 390arch_initcall(sh7201_devices_setup);
 391
 392void __init plat_irq_setup(void)
 393{
 394        register_intc_controller(&intc_desc);
 395}
 396
 397static struct platform_device *sh7201_early_devices[] __initdata = {
 398        &scif0_device,
 399        &scif1_device,
 400        &scif2_device,
 401        &scif3_device,
 402        &scif4_device,
 403        &scif5_device,
 404        &scif6_device,
 405        &scif7_device,
 406        &mtu2_device,
 407};
 408
 409#define STBCR3 0xfffe0408
 410
 411void __init plat_early_device_setup(void)
 412{
 413        /* enable MTU2 clock */
 414        __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
 415
 416        sh_early_platform_add_devices(sh7201_early_devices,
 417                                   ARRAY_SIZE(sh7201_early_devices));
 418}
 419