linux/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * SH7203 and SH7263 Setup
   4 *
   5 *  Copyright (C) 2007 - 2009  Paul Mundt
   6 */
   7#include <linux/platform_device.h>
   8#include <linux/init.h>
   9#include <linux/serial.h>
  10#include <linux/serial_sci.h>
  11#include <linux/sh_timer.h>
  12#include <linux/io.h>
  13#include <asm/platform_early.h>
  14
  15enum {
  16        UNUSED = 0,
  17
  18        /* interrupt sources */
  19        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
  20        PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
  21        DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7,
  22        USB, LCDC, CMT0, CMT1, BSC, WDT,
  23
  24        MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU,
  25        MTU3_ABCD, MTU4_ABCD, MTU2_TCI3V, MTU2_TCI4V,
  26
  27        ADC_ADI,
  28
  29        IIC30, IIC31, IIC32, IIC33,
  30        SCIF0, SCIF1, SCIF2, SCIF3,
  31
  32        SSU0, SSU1,
  33
  34        SSI0_SSII, SSI1_SSII, SSI2_SSII, SSI3_SSII,
  35
  36        /* ROM-DEC, SDHI, SRC, and IEB are SH7263 specific */
  37        ROMDEC, FLCTL, SDHI, RTC, RCAN0, RCAN1,
  38        SRC, IEBI,
  39
  40        /* interrupt groups */
  41        PINT,
  42};
  43
  44static struct intc_vect vectors[] __initdata = {
  45        INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
  46        INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
  47        INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
  48        INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
  49        INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
  50        INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
  51        INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
  52        INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
  53        INTC_IRQ(DMAC0, 108), INTC_IRQ(DMAC0, 109),
  54        INTC_IRQ(DMAC1, 112), INTC_IRQ(DMAC1, 113),
  55        INTC_IRQ(DMAC2, 116), INTC_IRQ(DMAC2, 117),
  56        INTC_IRQ(DMAC3, 120), INTC_IRQ(DMAC3, 121),
  57        INTC_IRQ(DMAC4, 124), INTC_IRQ(DMAC4, 125),
  58        INTC_IRQ(DMAC5, 128), INTC_IRQ(DMAC5, 129),
  59        INTC_IRQ(DMAC6, 132), INTC_IRQ(DMAC6, 133),
  60        INTC_IRQ(DMAC7, 136), INTC_IRQ(DMAC7, 137),
  61        INTC_IRQ(USB, 140), INTC_IRQ(LCDC, 141),
  62        INTC_IRQ(CMT0, 142), INTC_IRQ(CMT1, 143),
  63        INTC_IRQ(BSC, 144), INTC_IRQ(WDT, 145),
  64        INTC_IRQ(MTU0_ABCD, 146), INTC_IRQ(MTU0_ABCD, 147),
  65        INTC_IRQ(MTU0_ABCD, 148), INTC_IRQ(MTU0_ABCD, 149),
  66        INTC_IRQ(MTU0_VEF, 150),
  67        INTC_IRQ(MTU0_VEF, 151), INTC_IRQ(MTU0_VEF, 152),
  68        INTC_IRQ(MTU1_AB, 153), INTC_IRQ(MTU1_AB, 154),
  69        INTC_IRQ(MTU1_VU, 155), INTC_IRQ(MTU1_VU, 156),
  70        INTC_IRQ(MTU2_AB, 157), INTC_IRQ(MTU2_AB, 158),
  71        INTC_IRQ(MTU2_VU, 159), INTC_IRQ(MTU2_VU, 160),
  72        INTC_IRQ(MTU3_ABCD, 161), INTC_IRQ(MTU3_ABCD, 162),
  73        INTC_IRQ(MTU3_ABCD, 163), INTC_IRQ(MTU3_ABCD, 164),
  74        INTC_IRQ(MTU2_TCI3V, 165),
  75        INTC_IRQ(MTU4_ABCD, 166), INTC_IRQ(MTU4_ABCD, 167),
  76        INTC_IRQ(MTU4_ABCD, 168), INTC_IRQ(MTU4_ABCD, 169),
  77        INTC_IRQ(MTU2_TCI4V, 170),
  78        INTC_IRQ(ADC_ADI, 171),
  79        INTC_IRQ(IIC30, 172), INTC_IRQ(IIC30, 173),
  80        INTC_IRQ(IIC30, 174), INTC_IRQ(IIC30, 175),
  81        INTC_IRQ(IIC30, 176),
  82        INTC_IRQ(IIC31, 177), INTC_IRQ(IIC31, 178),
  83        INTC_IRQ(IIC31, 179), INTC_IRQ(IIC31, 180),
  84        INTC_IRQ(IIC31, 181),
  85        INTC_IRQ(IIC32, 182), INTC_IRQ(IIC32, 183),
  86        INTC_IRQ(IIC32, 184), INTC_IRQ(IIC32, 185),
  87        INTC_IRQ(IIC32, 186),
  88        INTC_IRQ(IIC33, 187), INTC_IRQ(IIC33, 188),
  89        INTC_IRQ(IIC33, 189), INTC_IRQ(IIC33, 190),
  90        INTC_IRQ(IIC33, 191),
  91        INTC_IRQ(SCIF0, 192), INTC_IRQ(SCIF0, 193),
  92        INTC_IRQ(SCIF0, 194), INTC_IRQ(SCIF0, 195),
  93        INTC_IRQ(SCIF1, 196), INTC_IRQ(SCIF1, 197),
  94        INTC_IRQ(SCIF1, 198), INTC_IRQ(SCIF1, 199),
  95        INTC_IRQ(SCIF2, 200), INTC_IRQ(SCIF2, 201),
  96        INTC_IRQ(SCIF2, 202), INTC_IRQ(SCIF2, 203),
  97        INTC_IRQ(SCIF3, 204), INTC_IRQ(SCIF3, 205),
  98        INTC_IRQ(SCIF3, 206), INTC_IRQ(SCIF3, 207),
  99        INTC_IRQ(SSU0, 208), INTC_IRQ(SSU0, 209),
 100        INTC_IRQ(SSU0, 210),
 101        INTC_IRQ(SSU1, 211), INTC_IRQ(SSU1, 212),
 102        INTC_IRQ(SSU1, 213),
 103        INTC_IRQ(SSI0_SSII, 214), INTC_IRQ(SSI1_SSII, 215),
 104        INTC_IRQ(SSI2_SSII, 216), INTC_IRQ(SSI3_SSII, 217),
 105        INTC_IRQ(FLCTL, 224), INTC_IRQ(FLCTL, 225),
 106        INTC_IRQ(FLCTL, 226), INTC_IRQ(FLCTL, 227),
 107        INTC_IRQ(RTC, 231), INTC_IRQ(RTC, 232),
 108        INTC_IRQ(RTC, 233),
 109        INTC_IRQ(RCAN0, 234), INTC_IRQ(RCAN0, 235),
 110        INTC_IRQ(RCAN0, 236), INTC_IRQ(RCAN0, 237),
 111        INTC_IRQ(RCAN0, 238),
 112        INTC_IRQ(RCAN1, 239), INTC_IRQ(RCAN1, 240),
 113        INTC_IRQ(RCAN1, 241), INTC_IRQ(RCAN1, 242),
 114        INTC_IRQ(RCAN1, 243),
 115
 116        /* SH7263-specific trash */
 117#ifdef CONFIG_CPU_SUBTYPE_SH7263
 118        INTC_IRQ(ROMDEC, 218), INTC_IRQ(ROMDEC, 219),
 119        INTC_IRQ(ROMDEC, 220), INTC_IRQ(ROMDEC, 221),
 120        INTC_IRQ(ROMDEC, 222), INTC_IRQ(ROMDEC, 223),
 121
 122        INTC_IRQ(SDHI, 228), INTC_IRQ(SDHI, 229),
 123        INTC_IRQ(SDHI, 230),
 124
 125        INTC_IRQ(SRC, 244), INTC_IRQ(SRC, 245),
 126        INTC_IRQ(SRC, 246),
 127
 128        INTC_IRQ(IEBI, 247),
 129#endif
 130};
 131
 132static struct intc_group groups[] __initdata = {
 133        INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
 134                   PINT4, PINT5, PINT6, PINT7),
 135};
 136
 137static struct intc_prio_reg prio_registers[] __initdata = {
 138        { 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
 139        { 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
 140        { 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
 141        { 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
 142        { 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } },
 143        { 0xfffe0c04, 0, 16, 4, /* IPR08 */ { USB, LCDC, CMT0, CMT1 } },
 144        { 0xfffe0c06, 0, 16, 4, /* IPR09 */ { BSC, WDT, MTU0_ABCD, MTU0_VEF } },
 145        { 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU1_AB, MTU1_VU, MTU2_AB,
 146                                              MTU2_VU } },
 147        { 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU3_ABCD, MTU2_TCI3V, MTU4_ABCD,
 148                                              MTU2_TCI4V } },
 149        { 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { ADC_ADI, IIC30, IIC31, IIC32 } },
 150        { 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { IIC33, SCIF0, SCIF1, SCIF2 } },
 151        { 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF3, SSU0, SSU1, SSI0_SSII } },
 152#ifdef CONFIG_CPU_SUBTYPE_SH7203
 153        { 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
 154                                              SSI3_SSII, 0 } },
 155        { 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, 0, RTC, RCAN0 } },
 156        { 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, 0, 0, 0 } },
 157#else
 158        { 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
 159                                              SSI3_SSII, ROMDEC } },
 160        { 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, SDHI, RTC, RCAN0 } },
 161        { 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, SRC, IEBI, 0 } },
 162#endif
 163};
 164
 165static struct intc_mask_reg mask_registers[] __initdata = {
 166        { 0xfffe0808, 0, 16, /* PINTER */
 167          { 0, 0, 0, 0, 0, 0, 0, 0,
 168            PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
 169};
 170
 171static DECLARE_INTC_DESC(intc_desc, "sh7203", vectors, groups,
 172                         mask_registers, prio_registers, NULL);
 173
 174static struct plat_sci_port scif0_platform_data = {
 175        .scscr          = SCSCR_REIE,
 176        .type           = PORT_SCIF,
 177        .regtype        = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 178};
 179
 180static struct resource scif0_resources[] = {
 181        DEFINE_RES_MEM(0xfffe8000, 0x100),
 182        DEFINE_RES_IRQ(192),
 183};
 184
 185static struct platform_device scif0_device = {
 186        .name           = "sh-sci",
 187        .id             = 0,
 188        .resource       = scif0_resources,
 189        .num_resources  = ARRAY_SIZE(scif0_resources),
 190        .dev            = {
 191                .platform_data  = &scif0_platform_data,
 192        },
 193};
 194
 195static struct plat_sci_port scif1_platform_data = {
 196        .scscr          = SCSCR_REIE,
 197        .type           = PORT_SCIF,
 198        .regtype        = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 199};
 200
 201static struct resource scif1_resources[] = {
 202        DEFINE_RES_MEM(0xfffe8800, 0x100),
 203        DEFINE_RES_IRQ(196),
 204};
 205
 206static struct platform_device scif1_device = {
 207        .name           = "sh-sci",
 208        .id             = 1,
 209        .resource       = scif1_resources,
 210        .num_resources  = ARRAY_SIZE(scif1_resources),
 211        .dev            = {
 212                .platform_data  = &scif1_platform_data,
 213        },
 214};
 215
 216static struct plat_sci_port scif2_platform_data = {
 217        .scscr          = SCSCR_REIE,
 218        .type           = PORT_SCIF,
 219        .regtype        = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 220};
 221
 222static struct resource scif2_resources[] = {
 223        DEFINE_RES_MEM(0xfffe9000, 0x100),
 224        DEFINE_RES_IRQ(200),
 225};
 226
 227static struct platform_device scif2_device = {
 228        .name           = "sh-sci",
 229        .id             = 2,
 230        .resource       = scif2_resources,
 231        .num_resources  = ARRAY_SIZE(scif2_resources),
 232        .dev            = {
 233                .platform_data  = &scif2_platform_data,
 234        },
 235};
 236
 237static struct plat_sci_port scif3_platform_data = {
 238        .scscr          = SCSCR_REIE,
 239        .type           = PORT_SCIF,
 240        .regtype        = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 241};
 242
 243static struct resource scif3_resources[] = {
 244        DEFINE_RES_MEM(0xfffe9800, 0x100),
 245        DEFINE_RES_IRQ(204),
 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 sh_timer_config cmt_platform_data = {
 259        .channels_mask = 3,
 260};
 261
 262static struct resource cmt_resources[] = {
 263        DEFINE_RES_MEM(0xfffec000, 0x10),
 264        DEFINE_RES_IRQ(142),
 265        DEFINE_RES_IRQ(143),
 266};
 267
 268static struct platform_device cmt_device = {
 269        .name           = "sh-cmt-16",
 270        .id             = 0,
 271        .dev = {
 272                .platform_data  = &cmt_platform_data,
 273        },
 274        .resource       = cmt_resources,
 275        .num_resources  = ARRAY_SIZE(cmt_resources),
 276};
 277
 278static struct resource mtu2_resources[] = {
 279        DEFINE_RES_MEM(0xfffe4000, 0x400),
 280        DEFINE_RES_IRQ_NAMED(146, "tgi0a"),
 281        DEFINE_RES_IRQ_NAMED(153, "tgi1a"),
 282};
 283
 284static struct platform_device mtu2_device = {
 285        .name           = "sh-mtu2",
 286        .id             = -1,
 287        .resource       = mtu2_resources,
 288        .num_resources  = ARRAY_SIZE(mtu2_resources),
 289};
 290
 291static struct resource rtc_resources[] = {
 292        [0] = {
 293                .start  = 0xffff2000,
 294                .end    = 0xffff2000 + 0x58 - 1,
 295                .flags  = IORESOURCE_IO,
 296        },
 297        [1] = {
 298                /* Shared Period/Carry/Alarm IRQ */
 299                .start  = 231,
 300                .flags  = IORESOURCE_IRQ,
 301        },
 302};
 303
 304static struct platform_device rtc_device = {
 305        .name           = "sh-rtc",
 306        .id             = -1,
 307        .num_resources  = ARRAY_SIZE(rtc_resources),
 308        .resource       = rtc_resources,
 309};
 310
 311static struct platform_device *sh7203_devices[] __initdata = {
 312        &scif0_device,
 313        &scif1_device,
 314        &scif2_device,
 315        &scif3_device,
 316        &cmt_device,
 317        &mtu2_device,
 318        &rtc_device,
 319};
 320
 321static int __init sh7203_devices_setup(void)
 322{
 323        return platform_add_devices(sh7203_devices,
 324                                    ARRAY_SIZE(sh7203_devices));
 325}
 326arch_initcall(sh7203_devices_setup);
 327
 328void __init plat_irq_setup(void)
 329{
 330        register_intc_controller(&intc_desc);
 331}
 332
 333static struct platform_device *sh7203_early_devices[] __initdata = {
 334        &scif0_device,
 335        &scif1_device,
 336        &scif2_device,
 337        &scif3_device,
 338        &cmt_device,
 339        &mtu2_device,
 340};
 341
 342#define STBCR3 0xfffe0408
 343#define STBCR4 0xfffe040c
 344
 345void __init plat_early_device_setup(void)
 346{
 347        /* enable CMT clock */
 348        __raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
 349
 350        /* enable MTU2 clock */
 351        __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
 352
 353        sh_early_platform_add_devices(sh7203_early_devices,
 354                                   ARRAY_SIZE(sh7203_early_devices));
 355}
 356