linux/arch/sh/kernel/cpu/sh3/setup-sh770x.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * SH3 Setup code for SH7706, SH7707, SH7708, SH7709
   4 *
   5 *  Copyright (C) 2007  Magnus Damm
   6 *  Copyright (C) 2009  Paul Mundt
   7 *
   8 * Based on setup-sh7709.c
   9 *
  10 *  Copyright (C) 2006  Paul Mundt
  11 */
  12#include <linux/init.h>
  13#include <linux/io.h>
  14#include <linux/irq.h>
  15#include <linux/platform_device.h>
  16#include <linux/serial.h>
  17#include <linux/serial_sci.h>
  18#include <linux/sh_timer.h>
  19#include <linux/sh_intc.h>
  20#include <cpu/serial.h>
  21#include <asm/platform_early.h>
  22
  23enum {
  24        UNUSED = 0,
  25
  26        /* interrupt sources */
  27        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  28        PINT07, PINT815,
  29        DMAC, SCIF0, SCIF2, SCI, ADC_ADI,
  30        LCDC, PCC0, PCC1,
  31        TMU0, TMU1, TMU2,
  32        RTC, WDT, REF,
  33};
  34
  35static struct intc_vect vectors[] __initdata = {
  36        INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  37        INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
  38        INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  39        INTC_VECT(RTC, 0x4c0),
  40        INTC_VECT(SCI, 0x4e0), INTC_VECT(SCI, 0x500),
  41        INTC_VECT(SCI, 0x520), INTC_VECT(SCI, 0x540),
  42        INTC_VECT(WDT, 0x560),
  43        INTC_VECT(REF, 0x580),
  44        INTC_VECT(REF, 0x5a0),
  45#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
  46    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  47    defined(CONFIG_CPU_SUBTYPE_SH7709)
  48        /* IRQ0->5 are handled in setup-sh3.c */
  49        INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
  50        INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
  51        INTC_VECT(ADC_ADI, 0x980),
  52        INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
  53        INTC_VECT(SCIF2, 0x940), INTC_VECT(SCIF2, 0x960),
  54#endif
  55#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  56    defined(CONFIG_CPU_SUBTYPE_SH7709)
  57        INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
  58        INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  59        INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
  60#endif
  61#if defined(CONFIG_CPU_SUBTYPE_SH7707)
  62        INTC_VECT(LCDC, 0x9a0),
  63        INTC_VECT(PCC0, 0x9c0), INTC_VECT(PCC1, 0x9e0),
  64#endif
  65};
  66
  67static struct intc_prio_reg prio_registers[] __initdata = {
  68        { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  69        { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, SCI, 0 } },
  70#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
  71    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  72    defined(CONFIG_CPU_SUBTYPE_SH7709)
  73        { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  74        { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
  75        { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, 0, SCIF2, ADC_ADI } },
  76#endif
  77#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  78    defined(CONFIG_CPU_SUBTYPE_SH7709)
  79        { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, } },
  80        { 0xa400001a, 0, 16, 4, /* IPRE */ { 0, SCIF0 } },
  81#endif
  82#if defined(CONFIG_CPU_SUBTYPE_SH7707)
  83        { 0xa400001c, 0, 16, 4, /* IPRF */ { 0, LCDC, PCC0, PCC1, } },
  84#endif
  85};
  86
  87static DECLARE_INTC_DESC(intc_desc, "sh770x", vectors, NULL,
  88                         NULL, prio_registers, NULL);
  89
  90static struct resource rtc_resources[] = {
  91        [0] =   {
  92                .start  = 0xfffffec0,
  93                .end    = 0xfffffec0 + 0x1e,
  94                .flags  = IORESOURCE_IO,
  95        },
  96        [1] =   {
  97                .start  = evt2irq(0x480),
  98                .flags  = IORESOURCE_IRQ,
  99        },
 100};
 101
 102static struct platform_device rtc_device = {
 103        .name           = "sh-rtc",
 104        .id             = -1,
 105        .num_resources  = ARRAY_SIZE(rtc_resources),
 106        .resource       = rtc_resources,
 107};
 108
 109static struct plat_sci_port scif0_platform_data = {
 110        .type           = PORT_SCI,
 111        .ops            = &sh770x_sci_port_ops,
 112};
 113
 114static struct resource scif0_resources[] = {
 115        DEFINE_RES_MEM(0xfffffe80, 0x10),
 116        DEFINE_RES_IRQ(evt2irq(0x4e0)),
 117};
 118
 119static struct platform_device scif0_device = {
 120        .name           = "sh-sci",
 121        .id             = 0,
 122        .resource       = scif0_resources,
 123        .num_resources  = ARRAY_SIZE(scif0_resources),
 124        .dev            = {
 125                .platform_data  = &scif0_platform_data,
 126        },
 127};
 128#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
 129    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 130    defined(CONFIG_CPU_SUBTYPE_SH7709)
 131static struct plat_sci_port scif1_platform_data = {
 132        .type           = PORT_SCIF,
 133        .ops            = &sh770x_sci_port_ops,
 134        .regtype        = SCIx_SH3_SCIF_REGTYPE,
 135};
 136
 137static struct resource scif1_resources[] = {
 138        DEFINE_RES_MEM(0xa4000150, 0x10),
 139        DEFINE_RES_IRQ(evt2irq(0x900)),
 140};
 141
 142static struct platform_device scif1_device = {
 143        .name           = "sh-sci",
 144        .id             = 1,
 145        .resource       = scif1_resources,
 146        .num_resources  = ARRAY_SIZE(scif1_resources),
 147        .dev            = {
 148                .platform_data  = &scif1_platform_data,
 149        },
 150};
 151#endif
 152#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 153    defined(CONFIG_CPU_SUBTYPE_SH7709)
 154static struct plat_sci_port scif2_platform_data = {
 155        .type           = PORT_IRDA,
 156        .ops            = &sh770x_sci_port_ops,
 157};
 158
 159static struct resource scif2_resources[] = {
 160        DEFINE_RES_MEM(0xa4000140, 0x10),
 161        DEFINE_RES_IRQ(evt2irq(0x880)),
 162};
 163
 164static struct platform_device scif2_device = {
 165        .name           = "sh-sci",
 166        .id             = 2,
 167        .resource       = scif2_resources,
 168        .num_resources  = ARRAY_SIZE(scif2_resources),
 169        .dev            = {
 170                .platform_data  = &scif2_platform_data,
 171        },
 172};
 173#endif
 174
 175static struct sh_timer_config tmu0_platform_data = {
 176        .channels_mask = 7,
 177};
 178
 179static struct resource tmu0_resources[] = {
 180        DEFINE_RES_MEM(0xfffffe90, 0x2c),
 181        DEFINE_RES_IRQ(evt2irq(0x400)),
 182        DEFINE_RES_IRQ(evt2irq(0x420)),
 183        DEFINE_RES_IRQ(evt2irq(0x440)),
 184};
 185
 186static struct platform_device tmu0_device = {
 187        .name           = "sh-tmu-sh3",
 188        .id             = 0,
 189        .dev = {
 190                .platform_data  = &tmu0_platform_data,
 191        },
 192        .resource       = tmu0_resources,
 193        .num_resources  = ARRAY_SIZE(tmu0_resources),
 194};
 195
 196static struct platform_device *sh770x_devices[] __initdata = {
 197        &scif0_device,
 198#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
 199    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 200    defined(CONFIG_CPU_SUBTYPE_SH7709)
 201        &scif1_device,
 202#endif
 203#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 204    defined(CONFIG_CPU_SUBTYPE_SH7709)
 205        &scif2_device,
 206#endif
 207        &tmu0_device,
 208        &rtc_device,
 209};
 210
 211static int __init sh770x_devices_setup(void)
 212{
 213        return platform_add_devices(sh770x_devices,
 214                ARRAY_SIZE(sh770x_devices));
 215}
 216arch_initcall(sh770x_devices_setup);
 217
 218static struct platform_device *sh770x_early_devices[] __initdata = {
 219        &scif0_device,
 220#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
 221    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 222    defined(CONFIG_CPU_SUBTYPE_SH7709)
 223        &scif1_device,
 224#endif
 225#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 226    defined(CONFIG_CPU_SUBTYPE_SH7709)
 227        &scif2_device,
 228#endif
 229        &tmu0_device,
 230};
 231
 232void __init plat_early_device_setup(void)
 233{
 234        sh_early_platform_add_devices(sh770x_early_devices,
 235                                   ARRAY_SIZE(sh770x_early_devices));
 236}
 237
 238void __init plat_irq_setup(void)
 239{
 240        register_intc_controller(&intc_desc);
 241#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
 242    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 243    defined(CONFIG_CPU_SUBTYPE_SH7709)
 244        plat_irq_setup_sh3();
 245#endif
 246}
 247