linux/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
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   1/*
   2 * SH7203 and SH7263 Setup
   3 *
   4 *  Copyright (C) 2007 - 2009  Paul Mundt
   5 *
   6 * This file is subject to the terms and conditions of the GNU General Public
   7 * License.  See the file "COPYING" in the main directory of this archive
   8 * for more details.
   9 */
  10#include <linux/platform_device.h>
  11#include <linux/init.h>
  12#include <linux/serial.h>
  13#include <linux/serial_sci.h>
  14#include <linux/sh_timer.h>
  15#include <linux/io.h>
  16
  17enum {
  18        UNUSED = 0,
  19
  20        /* interrupt sources */
  21        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
  22        PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
  23        DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7,
  24        USB, LCDC, CMT0, CMT1, BSC, WDT,
  25
  26        MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU,
  27        MTU3_ABCD, MTU4_ABCD, MTU2_TCI3V, MTU2_TCI4V,
  28
  29        ADC_ADI,
  30
  31        IIC30, IIC31, IIC32, IIC33,
  32        SCIF0, SCIF1, SCIF2, SCIF3,
  33
  34        SSU0, SSU1,
  35
  36        SSI0_SSII, SSI1_SSII, SSI2_SSII, SSI3_SSII,
  37
  38        /* ROM-DEC, SDHI, SRC, and IEB are SH7263 specific */
  39        ROMDEC, FLCTL, SDHI, RTC, RCAN0, RCAN1,
  40        SRC, IEBI,
  41
  42        /* interrupt groups */
  43        PINT,
  44};
  45
  46static struct intc_vect vectors[] __initdata = {
  47        INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
  48        INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
  49        INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
  50        INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
  51        INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
  52        INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
  53        INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
  54        INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
  55        INTC_IRQ(DMAC0, 108), INTC_IRQ(DMAC0, 109),
  56        INTC_IRQ(DMAC1, 112), INTC_IRQ(DMAC1, 113),
  57        INTC_IRQ(DMAC2, 116), INTC_IRQ(DMAC2, 117),
  58        INTC_IRQ(DMAC3, 120), INTC_IRQ(DMAC3, 121),
  59        INTC_IRQ(DMAC4, 124), INTC_IRQ(DMAC4, 125),
  60        INTC_IRQ(DMAC5, 128), INTC_IRQ(DMAC5, 129),
  61        INTC_IRQ(DMAC6, 132), INTC_IRQ(DMAC6, 133),
  62        INTC_IRQ(DMAC7, 136), INTC_IRQ(DMAC7, 137),
  63        INTC_IRQ(USB, 140), INTC_IRQ(LCDC, 141),
  64        INTC_IRQ(CMT0, 142), INTC_IRQ(CMT1, 143),
  65        INTC_IRQ(BSC, 144), INTC_IRQ(WDT, 145),
  66        INTC_IRQ(MTU0_ABCD, 146), INTC_IRQ(MTU0_ABCD, 147),
  67        INTC_IRQ(MTU0_ABCD, 148), INTC_IRQ(MTU0_ABCD, 149),
  68        INTC_IRQ(MTU0_VEF, 150),
  69        INTC_IRQ(MTU0_VEF, 151), INTC_IRQ(MTU0_VEF, 152),
  70        INTC_IRQ(MTU1_AB, 153), INTC_IRQ(MTU1_AB, 154),
  71        INTC_IRQ(MTU1_VU, 155), INTC_IRQ(MTU1_VU, 156),
  72        INTC_IRQ(MTU2_AB, 157), INTC_IRQ(MTU2_AB, 158),
  73        INTC_IRQ(MTU2_VU, 159), INTC_IRQ(MTU2_VU, 160),
  74        INTC_IRQ(MTU3_ABCD, 161), INTC_IRQ(MTU3_ABCD, 162),
  75        INTC_IRQ(MTU3_ABCD, 163), INTC_IRQ(MTU3_ABCD, 164),
  76        INTC_IRQ(MTU2_TCI3V, 165),
  77        INTC_IRQ(MTU4_ABCD, 166), INTC_IRQ(MTU4_ABCD, 167),
  78        INTC_IRQ(MTU4_ABCD, 168), INTC_IRQ(MTU4_ABCD, 169),
  79        INTC_IRQ(MTU2_TCI4V, 170),
  80        INTC_IRQ(ADC_ADI, 171),
  81        INTC_IRQ(IIC30, 172), INTC_IRQ(IIC30, 173),
  82        INTC_IRQ(IIC30, 174), INTC_IRQ(IIC30, 175),
  83        INTC_IRQ(IIC30, 176),
  84        INTC_IRQ(IIC31, 177), INTC_IRQ(IIC31, 178),
  85        INTC_IRQ(IIC31, 179), INTC_IRQ(IIC31, 180),
  86        INTC_IRQ(IIC31, 181),
  87        INTC_IRQ(IIC32, 182), INTC_IRQ(IIC32, 183),
  88        INTC_IRQ(IIC32, 184), INTC_IRQ(IIC32, 185),
  89        INTC_IRQ(IIC32, 186),
  90        INTC_IRQ(IIC33, 187), INTC_IRQ(IIC33, 188),
  91        INTC_IRQ(IIC33, 189), INTC_IRQ(IIC33, 190),
  92        INTC_IRQ(IIC33, 191),
  93        INTC_IRQ(SCIF0, 192), INTC_IRQ(SCIF0, 193),
  94        INTC_IRQ(SCIF0, 194), INTC_IRQ(SCIF0, 195),
  95        INTC_IRQ(SCIF1, 196), INTC_IRQ(SCIF1, 197),
  96        INTC_IRQ(SCIF1, 198), INTC_IRQ(SCIF1, 199),
  97        INTC_IRQ(SCIF2, 200), INTC_IRQ(SCIF2, 201),
  98        INTC_IRQ(SCIF2, 202), INTC_IRQ(SCIF2, 203),
  99        INTC_IRQ(SCIF3, 204), INTC_IRQ(SCIF3, 205),
 100        INTC_IRQ(SCIF3, 206), INTC_IRQ(SCIF3, 207),
 101        INTC_IRQ(SSU0, 208), INTC_IRQ(SSU0, 209),
 102        INTC_IRQ(SSU0, 210),
 103        INTC_IRQ(SSU1, 211), INTC_IRQ(SSU1, 212),
 104        INTC_IRQ(SSU1, 213),
 105        INTC_IRQ(SSI0_SSII, 214), INTC_IRQ(SSI1_SSII, 215),
 106        INTC_IRQ(SSI2_SSII, 216), INTC_IRQ(SSI3_SSII, 217),
 107        INTC_IRQ(FLCTL, 224), INTC_IRQ(FLCTL, 225),
 108        INTC_IRQ(FLCTL, 226), INTC_IRQ(FLCTL, 227),
 109        INTC_IRQ(RTC, 231), INTC_IRQ(RTC, 232),
 110        INTC_IRQ(RTC, 233),
 111        INTC_IRQ(RCAN0, 234), INTC_IRQ(RCAN0, 235),
 112        INTC_IRQ(RCAN0, 236), INTC_IRQ(RCAN0, 237),
 113        INTC_IRQ(RCAN0, 238),
 114        INTC_IRQ(RCAN1, 239), INTC_IRQ(RCAN1, 240),
 115        INTC_IRQ(RCAN1, 241), INTC_IRQ(RCAN1, 242),
 116        INTC_IRQ(RCAN1, 243),
 117
 118        /* SH7263-specific trash */
 119#ifdef CONFIG_CPU_SUBTYPE_SH7263
 120        INTC_IRQ(ROMDEC, 218), INTC_IRQ(ROMDEC, 219),
 121        INTC_IRQ(ROMDEC, 220), INTC_IRQ(ROMDEC, 221),
 122        INTC_IRQ(ROMDEC, 222), INTC_IRQ(ROMDEC, 223),
 123
 124        INTC_IRQ(SDHI, 228), INTC_IRQ(SDHI, 229),
 125        INTC_IRQ(SDHI, 230),
 126
 127        INTC_IRQ(SRC, 244), INTC_IRQ(SRC, 245),
 128        INTC_IRQ(SRC, 246),
 129
 130        INTC_IRQ(IEBI, 247),
 131#endif
 132};
 133
 134static struct intc_group groups[] __initdata = {
 135        INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
 136                   PINT4, PINT5, PINT6, PINT7),
 137};
 138
 139static struct intc_prio_reg prio_registers[] __initdata = {
 140        { 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
 141        { 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
 142        { 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
 143        { 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
 144        { 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } },
 145        { 0xfffe0c04, 0, 16, 4, /* IPR08 */ { USB, LCDC, CMT0, CMT1 } },
 146        { 0xfffe0c06, 0, 16, 4, /* IPR09 */ { BSC, WDT, MTU0_ABCD, MTU0_VEF } },
 147        { 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU1_AB, MTU1_VU, MTU2_AB,
 148                                              MTU2_VU } },
 149        { 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU3_ABCD, MTU2_TCI3V, MTU4_ABCD,
 150                                              MTU2_TCI4V } },
 151        { 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { ADC_ADI, IIC30, IIC31, IIC32 } },
 152        { 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { IIC33, SCIF0, SCIF1, SCIF2 } },
 153        { 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF3, SSU0, SSU1, SSI0_SSII } },
 154#ifdef CONFIG_CPU_SUBTYPE_SH7203
 155        { 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
 156                                              SSI3_SSII, 0 } },
 157        { 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, 0, RTC, RCAN0 } },
 158        { 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, 0, 0, 0 } },
 159#else
 160        { 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
 161                                              SSI3_SSII, ROMDEC } },
 162        { 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, SDHI, RTC, RCAN0 } },
 163        { 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, SRC, IEBI, 0 } },
 164#endif
 165};
 166
 167static struct intc_mask_reg mask_registers[] __initdata = {
 168        { 0xfffe0808, 0, 16, /* PINTER */
 169          { 0, 0, 0, 0, 0, 0, 0, 0,
 170            PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
 171};
 172
 173static DECLARE_INTC_DESC(intc_desc, "sh7203", vectors, groups,
 174                         mask_registers, prio_registers, NULL);
 175
 176static struct plat_sci_port scif0_platform_data = {
 177        .flags          = UPF_BOOT_AUTOCONF,
 178        .scscr          = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
 179                          SCSCR_REIE,
 180        .type           = PORT_SCIF,
 181        .regtype        = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 182};
 183
 184static struct resource scif0_resources[] = {
 185        DEFINE_RES_MEM(0xfffe8000, 0x100),
 186        DEFINE_RES_IRQ(192),
 187};
 188
 189static struct platform_device scif0_device = {
 190        .name           = "sh-sci",
 191        .id             = 0,
 192        .resource       = scif0_resources,
 193        .num_resources  = ARRAY_SIZE(scif0_resources),
 194        .dev            = {
 195                .platform_data  = &scif0_platform_data,
 196        },
 197};
 198
 199static struct plat_sci_port scif1_platform_data = {
 200        .flags          = UPF_BOOT_AUTOCONF,
 201        .scscr          = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
 202                          SCSCR_REIE,
 203        .type           = PORT_SCIF,
 204        .regtype        = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 205};
 206
 207static struct resource scif1_resources[] = {
 208        DEFINE_RES_MEM(0xfffe8800, 0x100),
 209        DEFINE_RES_IRQ(196),
 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_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
 225                          SCSCR_REIE,
 226        .type           = PORT_SCIF,
 227        .regtype        = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 228};
 229
 230static struct resource scif2_resources[] = {
 231        DEFINE_RES_MEM(0xfffe9000, 0x100),
 232        DEFINE_RES_IRQ(200),
 233};
 234
 235static struct platform_device scif2_device = {
 236        .name           = "sh-sci",
 237        .id             = 2,
 238        .resource       = scif2_resources,
 239        .num_resources  = ARRAY_SIZE(scif2_resources),
 240        .dev            = {
 241                .platform_data  = &scif2_platform_data,
 242        },
 243};
 244
 245static struct plat_sci_port scif3_platform_data = {
 246        .flags          = UPF_BOOT_AUTOCONF,
 247        .scscr          = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
 248                          SCSCR_REIE,
 249        .type           = PORT_SCIF,
 250        .regtype        = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
 251};
 252
 253static struct resource scif3_resources[] = {
 254        DEFINE_RES_MEM(0xfffe9800, 0x100),
 255        DEFINE_RES_IRQ(204),
 256};
 257
 258static struct platform_device scif3_device = {
 259        .name           = "sh-sci",
 260        .id             = 3,
 261        .resource       = scif3_resources,
 262        .num_resources  = ARRAY_SIZE(scif3_resources),
 263        .dev            = {
 264                .platform_data  = &scif3_platform_data,
 265        },
 266};
 267
 268static struct sh_timer_config cmt_platform_data = {
 269        .channels_mask = 3,
 270};
 271
 272static struct resource cmt_resources[] = {
 273        DEFINE_RES_MEM(0xfffec000, 0x10),
 274        DEFINE_RES_IRQ(142),
 275        DEFINE_RES_IRQ(143),
 276};
 277
 278static struct platform_device cmt_device = {
 279        .name           = "sh-cmt-16",
 280        .id             = 0,
 281        .dev = {
 282                .platform_data  = &cmt_platform_data,
 283        },
 284        .resource       = cmt_resources,
 285        .num_resources  = ARRAY_SIZE(cmt_resources),
 286};
 287
 288static struct resource mtu2_resources[] = {
 289        DEFINE_RES_MEM(0xfffe4000, 0x400),
 290        DEFINE_RES_IRQ_NAMED(146, "tgi0a"),
 291        DEFINE_RES_IRQ_NAMED(153, "tgi1a"),
 292};
 293
 294static struct platform_device mtu2_device = {
 295        .name           = "sh-mtu2",
 296        .id             = -1,
 297        .resource       = mtu2_resources,
 298        .num_resources  = ARRAY_SIZE(mtu2_resources),
 299};
 300
 301static struct resource rtc_resources[] = {
 302        [0] = {
 303                .start  = 0xffff2000,
 304                .end    = 0xffff2000 + 0x58 - 1,
 305                .flags  = IORESOURCE_IO,
 306        },
 307        [1] = {
 308                /* Shared Period/Carry/Alarm IRQ */
 309                .start  = 231,
 310                .flags  = IORESOURCE_IRQ,
 311        },
 312};
 313
 314static struct platform_device rtc_device = {
 315        .name           = "sh-rtc",
 316        .id             = -1,
 317        .num_resources  = ARRAY_SIZE(rtc_resources),
 318        .resource       = rtc_resources,
 319};
 320
 321static struct platform_device *sh7203_devices[] __initdata = {
 322        &scif0_device,
 323        &scif1_device,
 324        &scif2_device,
 325        &scif3_device,
 326        &cmt_device,
 327        &mtu2_device,
 328        &rtc_device,
 329};
 330
 331static int __init sh7203_devices_setup(void)
 332{
 333        return platform_add_devices(sh7203_devices,
 334                                    ARRAY_SIZE(sh7203_devices));
 335}
 336arch_initcall(sh7203_devices_setup);
 337
 338void __init plat_irq_setup(void)
 339{
 340        register_intc_controller(&intc_desc);
 341}
 342
 343static struct platform_device *sh7203_early_devices[] __initdata = {
 344        &scif0_device,
 345        &scif1_device,
 346        &scif2_device,
 347        &scif3_device,
 348        &cmt_device,
 349        &mtu2_device,
 350};
 351
 352#define STBCR3 0xfffe0408
 353#define STBCR4 0xfffe040c
 354
 355void __init plat_early_device_setup(void)
 356{
 357        /* enable CMT clock */
 358        __raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
 359
 360        /* enable MTU2 clock */
 361        __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
 362
 363        early_platform_add_devices(sh7203_early_devices,
 364                                   ARRAY_SIZE(sh7203_early_devices));
 365}
 366