linux/arch/sh/kernel/cpu/sh2a/setup-mxg.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Renesas MX-G (R8A03022BG) Setup
   4 *
   5 *  Copyright (C) 2008, 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 <asm/platform_early.h>
  13
  14enum {
  15        UNUSED = 0,
  16
  17        /* interrupt sources */
  18        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
  19        IRQ8, IRQ9, IRQ10, IRQ11, IRQ12, IRQ13, IRQ14, IRQ15,
  20
  21        PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
  22        SINT8, SINT7, SINT6, SINT5, SINT4, SINT3, SINT2, SINT1,
  23
  24        SCIF0, SCIF1,
  25
  26        MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3, MTU2_GROUP4, MTU2_GROUP5,
  27        MTU2_TGI3B, MTU2_TGI3C,
  28
  29        /* interrupt groups */
  30        PINT,
  31};
  32
  33static struct intc_vect vectors[] __initdata = {
  34        INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
  35        INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
  36        INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
  37        INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
  38        INTC_IRQ(IRQ8, 72), INTC_IRQ(IRQ9, 73),
  39        INTC_IRQ(IRQ10, 74), INTC_IRQ(IRQ11, 75),
  40        INTC_IRQ(IRQ12, 76), INTC_IRQ(IRQ13, 77),
  41        INTC_IRQ(IRQ14, 78), INTC_IRQ(IRQ15, 79),
  42
  43        INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
  44        INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
  45        INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
  46        INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
  47
  48        INTC_IRQ(SINT8, 94), INTC_IRQ(SINT7, 95),
  49        INTC_IRQ(SINT6, 96), INTC_IRQ(SINT5, 97),
  50        INTC_IRQ(SINT4, 98), INTC_IRQ(SINT3, 99),
  51        INTC_IRQ(SINT2, 100), INTC_IRQ(SINT1, 101),
  52
  53        INTC_IRQ(SCIF0, 220), INTC_IRQ(SCIF0, 221),
  54        INTC_IRQ(SCIF0, 222), INTC_IRQ(SCIF0, 223),
  55        INTC_IRQ(SCIF1, 224), INTC_IRQ(SCIF1, 225),
  56        INTC_IRQ(SCIF1, 226), INTC_IRQ(SCIF1, 227),
  57
  58        INTC_IRQ(MTU2_GROUP1, 228), INTC_IRQ(MTU2_GROUP1, 229),
  59        INTC_IRQ(MTU2_GROUP1, 230), INTC_IRQ(MTU2_GROUP1, 231),
  60        INTC_IRQ(MTU2_GROUP1, 232), INTC_IRQ(MTU2_GROUP1, 233),
  61
  62        INTC_IRQ(MTU2_GROUP2, 234), INTC_IRQ(MTU2_GROUP2, 235),
  63        INTC_IRQ(MTU2_GROUP2, 236), INTC_IRQ(MTU2_GROUP2, 237),
  64        INTC_IRQ(MTU2_GROUP2, 238), INTC_IRQ(MTU2_GROUP2, 239),
  65
  66        INTC_IRQ(MTU2_GROUP3, 240), INTC_IRQ(MTU2_GROUP3, 241),
  67        INTC_IRQ(MTU2_GROUP3, 242), INTC_IRQ(MTU2_GROUP3, 243),
  68
  69        INTC_IRQ(MTU2_TGI3B, 244),
  70        INTC_IRQ(MTU2_TGI3C, 245),
  71
  72        INTC_IRQ(MTU2_GROUP4, 246), INTC_IRQ(MTU2_GROUP4, 247),
  73        INTC_IRQ(MTU2_GROUP4, 248), INTC_IRQ(MTU2_GROUP4, 249),
  74        INTC_IRQ(MTU2_GROUP4, 250), INTC_IRQ(MTU2_GROUP4, 251),
  75
  76        INTC_IRQ(MTU2_GROUP5, 252), INTC_IRQ(MTU2_GROUP5, 253),
  77        INTC_IRQ(MTU2_GROUP5, 254), INTC_IRQ(MTU2_GROUP5, 255),
  78};
  79
  80static struct intc_group groups[] __initdata = {
  81        INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
  82                   PINT4, PINT5, PINT6, PINT7),
  83};
  84
  85static struct intc_prio_reg prio_registers[] __initdata = {
  86        { 0xfffd9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
  87        { 0xfffd941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
  88        { 0xfffd941c, 0, 16, 4, /* IPR03 */ { IRQ8, IRQ9, IRQ10, IRQ11 } },
  89        { 0xfffd941e, 0, 16, 4, /* IPR04 */ { IRQ12, IRQ13, IRQ14, IRQ15 } },
  90        { 0xfffd9420, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
  91        { 0xfffd9800, 0, 16, 4, /* IPR06 */ { } },
  92        { 0xfffd9802, 0, 16, 4, /* IPR07 */ { } },
  93        { 0xfffd9804, 0, 16, 4, /* IPR08 */ { } },
  94        { 0xfffd9806, 0, 16, 4, /* IPR09 */ { } },
  95        { 0xfffd9808, 0, 16, 4, /* IPR10 */ { } },
  96        { 0xfffd980a, 0, 16, 4, /* IPR11 */ { } },
  97        { 0xfffd980c, 0, 16, 4, /* IPR12 */ { } },
  98        { 0xfffd980e, 0, 16, 4, /* IPR13 */ { } },
  99        { 0xfffd9810, 0, 16, 4, /* IPR14 */ { 0, 0, 0, SCIF0 } },
 100        { 0xfffd9812, 0, 16, 4, /* IPR15 */
 101                { SCIF1, MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3 } },
 102        { 0xfffd9814, 0, 16, 4, /* IPR16 */
 103                { MTU2_TGI3B, MTU2_TGI3C, MTU2_GROUP4, MTU2_GROUP5 } },
 104};
 105
 106static struct intc_mask_reg mask_registers[] __initdata = {
 107        { 0xfffd9408, 0, 16, /* PINTER */
 108          { 0, 0, 0, 0, 0, 0, 0, 0,
 109            PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
 110};
 111
 112static DECLARE_INTC_DESC(intc_desc, "mxg", vectors, groups,
 113                         mask_registers, prio_registers, NULL);
 114
 115static struct resource mtu2_resources[] = {
 116        DEFINE_RES_MEM(0xff801000, 0x400),
 117        DEFINE_RES_IRQ_NAMED(228, "tgi0a"),
 118        DEFINE_RES_IRQ_NAMED(234, "tgi1a"),
 119        DEFINE_RES_IRQ_NAMED(240, "tgi2a"),
 120};
 121
 122static struct platform_device mtu2_device = {
 123        .name           = "sh-mtu2",
 124        .id             = -1,
 125        .resource       = mtu2_resources,
 126        .num_resources  = ARRAY_SIZE(mtu2_resources),
 127};
 128
 129static struct plat_sci_port scif0_platform_data = {
 130        .scscr          = SCSCR_REIE,
 131        .type           = PORT_SCIF,
 132};
 133
 134static struct resource scif0_resources[] = {
 135        DEFINE_RES_MEM(0xff804000, 0x100),
 136        DEFINE_RES_IRQ(220),
 137};
 138
 139static struct platform_device scif0_device = {
 140        .name           = "sh-sci",
 141        .id             = 0,
 142        .resource       = scif0_resources,
 143        .num_resources  = ARRAY_SIZE(scif0_resources),
 144        .dev            = {
 145                .platform_data  = &scif0_platform_data,
 146        },
 147};
 148
 149static struct platform_device *mxg_devices[] __initdata = {
 150        &scif0_device,
 151        &mtu2_device,
 152};
 153
 154static int __init mxg_devices_setup(void)
 155{
 156        return platform_add_devices(mxg_devices,
 157                                    ARRAY_SIZE(mxg_devices));
 158}
 159arch_initcall(mxg_devices_setup);
 160
 161void __init plat_irq_setup(void)
 162{
 163        register_intc_controller(&intc_desc);
 164}
 165
 166static struct platform_device *mxg_early_devices[] __initdata = {
 167        &scif0_device,
 168        &mtu2_device,
 169};
 170
 171void __init plat_early_device_setup(void)
 172{
 173        sh_early_platform_add_devices(mxg_early_devices,
 174                                   ARRAY_SIZE(mxg_early_devices));
 175}
 176