linux/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * SH7206 Setup
   4 *
   5 *  Copyright (C) 2006  Yoshinori Sato
   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        ADC_ADI0, ADC_ADI1,
  23
  24        DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7,
  25
  26        MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU,
  27        MTU3_ABCD, MTU4_ABCD, MTU5, POE2_12, MTU3S_ABCD, MTU4S_ABCD, MTU5S,
  28        IIC3,
  29
  30        CMT0, CMT1, BSC, WDT,
  31
  32        MTU2_TCI3V, MTU2_TCI4V, MTU2S_TCI3V, MTU2S_TCI4V,
  33
  34        POE2_OEI3,
  35
  36        SCIF0, SCIF1, SCIF2, SCIF3,
  37
  38        /* interrupt groups */
  39        PINT,
  40};
  41
  42static struct intc_vect vectors[] __initdata = {
  43        INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
  44        INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
  45        INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
  46        INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
  47        INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
  48        INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
  49        INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
  50        INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
  51        INTC_IRQ(ADC_ADI0, 92), INTC_IRQ(ADC_ADI1, 96),
  52        INTC_IRQ(DMAC0, 108), INTC_IRQ(DMAC0, 109),
  53        INTC_IRQ(DMAC1, 112), INTC_IRQ(DMAC1, 113),
  54        INTC_IRQ(DMAC2, 116), INTC_IRQ(DMAC2, 117),
  55        INTC_IRQ(DMAC3, 120), INTC_IRQ(DMAC3, 121),
  56        INTC_IRQ(DMAC4, 124), INTC_IRQ(DMAC4, 125),
  57        INTC_IRQ(DMAC5, 128), INTC_IRQ(DMAC5, 129),
  58        INTC_IRQ(DMAC6, 132), INTC_IRQ(DMAC6, 133),
  59        INTC_IRQ(DMAC7, 136), INTC_IRQ(DMAC7, 137),
  60        INTC_IRQ(CMT0, 140), INTC_IRQ(CMT1, 144),
  61        INTC_IRQ(BSC, 148), INTC_IRQ(WDT, 152),
  62        INTC_IRQ(MTU0_ABCD, 156), INTC_IRQ(MTU0_ABCD, 157),
  63        INTC_IRQ(MTU0_ABCD, 158), INTC_IRQ(MTU0_ABCD, 159),
  64        INTC_IRQ(MTU0_VEF, 160), INTC_IRQ(MTU0_VEF, 161),
  65        INTC_IRQ(MTU0_VEF, 162),
  66        INTC_IRQ(MTU1_AB, 164), INTC_IRQ(MTU1_AB, 165),
  67        INTC_IRQ(MTU1_VU, 168), INTC_IRQ(MTU1_VU, 169),
  68        INTC_IRQ(MTU2_AB, 172), INTC_IRQ(MTU2_AB, 173),
  69        INTC_IRQ(MTU2_VU, 176), INTC_IRQ(MTU2_VU, 177),
  70        INTC_IRQ(MTU3_ABCD, 180), INTC_IRQ(MTU3_ABCD, 181),
  71        INTC_IRQ(MTU3_ABCD, 182), INTC_IRQ(MTU3_ABCD, 183),
  72        INTC_IRQ(MTU2_TCI3V, 184),
  73        INTC_IRQ(MTU4_ABCD, 188), INTC_IRQ(MTU4_ABCD, 189),
  74        INTC_IRQ(MTU4_ABCD, 190), INTC_IRQ(MTU4_ABCD, 191),
  75        INTC_IRQ(MTU2_TCI4V, 192),
  76        INTC_IRQ(MTU5, 196), INTC_IRQ(MTU5, 197),
  77        INTC_IRQ(MTU5, 198),
  78        INTC_IRQ(POE2_12, 200), INTC_IRQ(POE2_12, 201),
  79        INTC_IRQ(MTU3S_ABCD, 204), INTC_IRQ(MTU3S_ABCD, 205),
  80        INTC_IRQ(MTU3S_ABCD, 206), INTC_IRQ(MTU3S_ABCD, 207),
  81        INTC_IRQ(MTU2S_TCI3V, 208),
  82        INTC_IRQ(MTU4S_ABCD, 212), INTC_IRQ(MTU4S_ABCD, 213),
  83        INTC_IRQ(MTU4S_ABCD, 214), INTC_IRQ(MTU4S_ABCD, 215),
  84        INTC_IRQ(MTU2S_TCI4V, 216),
  85        INTC_IRQ(MTU5S, 220), INTC_IRQ(MTU5S, 221),
  86        INTC_IRQ(MTU5S, 222),
  87        INTC_IRQ(POE2_OEI3, 224),
  88        INTC_IRQ(IIC3, 228), INTC_IRQ(IIC3, 229),
  89        INTC_IRQ(IIC3, 230), INTC_IRQ(IIC3, 231),
  90        INTC_IRQ(IIC3, 232),
  91        INTC_IRQ(SCIF0, 240), INTC_IRQ(SCIF0, 241),
  92        INTC_IRQ(SCIF0, 242), INTC_IRQ(SCIF0, 243),
  93        INTC_IRQ(SCIF1, 244), INTC_IRQ(SCIF1, 245),
  94        INTC_IRQ(SCIF1, 246), INTC_IRQ(SCIF1, 247),
  95        INTC_IRQ(SCIF2, 248), INTC_IRQ(SCIF2, 249),
  96        INTC_IRQ(SCIF2, 250), INTC_IRQ(SCIF2, 251),
  97        INTC_IRQ(SCIF3, 252), INTC_IRQ(SCIF3, 253),
  98        INTC_IRQ(SCIF3, 254), INTC_IRQ(SCIF3, 255),
  99};
 100
 101static struct intc_group groups[] __initdata = {
 102        INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
 103                   PINT4, PINT5, PINT6, PINT7),
 104};
 105
 106static struct intc_prio_reg prio_registers[] __initdata = {
 107        { 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
 108        { 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
 109        { 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, ADC_ADI0, ADC_ADI1 } },
 110        { 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
 111        { 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } },
 112        { 0xfffe0c04, 0, 16, 4, /* IPR08 */ { CMT0, CMT1, BSC, WDT } },
 113        { 0xfffe0c06, 0, 16, 4, /* IPR09 */ { MTU0_ABCD, MTU0_VEF,
 114                                              MTU1_AB, MTU1_VU } },
 115        { 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU2_AB, MTU2_VU,
 116                                              MTU3_ABCD, MTU2_TCI3V } },
 117        { 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU4_ABCD, MTU2_TCI4V,
 118                                              MTU5, POE2_12 } },
 119        { 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { MTU3S_ABCD, MTU2S_TCI3V,
 120                                              MTU4S_ABCD, MTU2S_TCI4V } },
 121        { 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { MTU5S, POE2_OEI3, IIC3, 0 } },
 122        { 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF0, SCIF1, SCIF2, SCIF3 } },
 123};
 124
 125static struct intc_mask_reg mask_registers[] __initdata = {
 126        { 0xfffe0808, 0, 16, /* PINTER */
 127          { 0, 0, 0, 0, 0, 0, 0, 0,
 128            PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
 129};
 130
 131static DECLARE_INTC_DESC(intc_desc, "sh7206", vectors, groups,
 132                         mask_registers, prio_registers, NULL);
 133
 134static struct plat_sci_port scif0_platform_data = {
 135        .scscr          = SCSCR_REIE,
 136        .type           = PORT_SCIF,
 137};
 138
 139static struct resource scif0_resources[] = {
 140        DEFINE_RES_MEM(0xfffe8000, 0x100),
 141        DEFINE_RES_IRQ(240),
 142};
 143
 144static struct platform_device scif0_device = {
 145        .name           = "sh-sci",
 146        .id             = 0,
 147        .resource       = scif0_resources,
 148        .num_resources  = ARRAY_SIZE(scif0_resources),
 149        .dev            = {
 150                .platform_data  = &scif0_platform_data,
 151        },
 152};
 153
 154static struct plat_sci_port scif1_platform_data = {
 155        .scscr          = SCSCR_REIE,
 156        .type           = PORT_SCIF,
 157};
 158
 159static struct resource scif1_resources[] = {
 160        DEFINE_RES_MEM(0xfffe8800, 0x100),
 161        DEFINE_RES_IRQ(244),
 162};
 163
 164static struct platform_device scif1_device = {
 165        .name           = "sh-sci",
 166        .id             = 1,
 167        .resource       = scif1_resources,
 168        .num_resources  = ARRAY_SIZE(scif1_resources),
 169        .dev            = {
 170                .platform_data  = &scif1_platform_data,
 171        },
 172};
 173
 174static struct plat_sci_port scif2_platform_data = {
 175        .scscr          = SCSCR_REIE,
 176        .type           = PORT_SCIF,
 177};
 178
 179static struct resource scif2_resources[] = {
 180        DEFINE_RES_MEM(0xfffe9000, 0x100),
 181        DEFINE_RES_IRQ(248),
 182};
 183
 184static struct platform_device scif2_device = {
 185        .name           = "sh-sci",
 186        .id             = 2,
 187        .resource       = scif2_resources,
 188        .num_resources  = ARRAY_SIZE(scif2_resources),
 189        .dev            = {
 190                .platform_data  = &scif2_platform_data,
 191        },
 192};
 193
 194static struct plat_sci_port scif3_platform_data = {
 195        .scscr          = SCSCR_REIE,
 196        .type           = PORT_SCIF,
 197};
 198
 199static struct resource scif3_resources[] = {
 200        DEFINE_RES_MEM(0xfffe9800, 0x100),
 201        DEFINE_RES_IRQ(252),
 202};
 203
 204static struct platform_device scif3_device = {
 205        .name           = "sh-sci",
 206        .id             = 3,
 207        .resource       = scif3_resources,
 208        .num_resources  = ARRAY_SIZE(scif3_resources),
 209        .dev            = {
 210                .platform_data  = &scif3_platform_data,
 211        },
 212};
 213
 214static struct sh_timer_config cmt_platform_data = {
 215        .channels_mask = 3,
 216};
 217
 218static struct resource cmt_resources[] = {
 219        DEFINE_RES_MEM(0xfffec000, 0x10),
 220        DEFINE_RES_IRQ(140),
 221        DEFINE_RES_IRQ(144),
 222};
 223
 224static struct platform_device cmt_device = {
 225        .name           = "sh-cmt-16",
 226        .id             = 0,
 227        .dev = {
 228                .platform_data  = &cmt_platform_data,
 229        },
 230        .resource       = cmt_resources,
 231        .num_resources  = ARRAY_SIZE(cmt_resources),
 232};
 233
 234static struct resource mtu2_resources[] = {
 235        DEFINE_RES_MEM(0xfffe4000, 0x400),
 236        DEFINE_RES_IRQ_NAMED(156, "tgi0a"),
 237        DEFINE_RES_IRQ_NAMED(164, "tgi1a"),
 238        DEFINE_RES_IRQ_NAMED(180, "tgi2a"),
 239};
 240
 241static struct platform_device mtu2_device = {
 242        .name           = "sh-mtu2s",
 243        .id             = -1,
 244        .resource       = mtu2_resources,
 245        .num_resources  = ARRAY_SIZE(mtu2_resources),
 246};
 247
 248static struct platform_device *sh7206_devices[] __initdata = {
 249        &scif0_device,
 250        &scif1_device,
 251        &scif2_device,
 252        &scif3_device,
 253        &cmt_device,
 254        &mtu2_device,
 255};
 256
 257static int __init sh7206_devices_setup(void)
 258{
 259        return platform_add_devices(sh7206_devices,
 260                                    ARRAY_SIZE(sh7206_devices));
 261}
 262arch_initcall(sh7206_devices_setup);
 263
 264void __init plat_irq_setup(void)
 265{
 266        register_intc_controller(&intc_desc);
 267}
 268
 269static struct platform_device *sh7206_early_devices[] __initdata = {
 270        &scif0_device,
 271        &scif1_device,
 272        &scif2_device,
 273        &scif3_device,
 274        &cmt_device,
 275        &mtu2_device,
 276};
 277
 278#define STBCR3 0xfffe0408
 279#define STBCR4 0xfffe040c
 280
 281void __init plat_early_device_setup(void)
 282{
 283        /* enable CMT clock */
 284        __raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
 285
 286        /* enable MTU2 clock */
 287        __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
 288
 289        sh_early_platform_add_devices(sh7206_early_devices,
 290                                   ARRAY_SIZE(sh7206_early_devices));
 291}
 292