arch/sh/kernel/cpu/sh3/setup-sh7710.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * SH3 Setup code for SH7710, SH7712
   4  *
   5  *  Copyright (C) 2006 - 2009  Paul Mundt
   6  *  Copyright (C) 2007  Nobuhiro Iwamatsu
   7  */
   8 #include <linux/platform_device.h>
   9 #include <linux/init.h>
  10 #include <linux/irq.h>
  11 #include <linux/serial.h>
  12 #include <linux/serial_sci.h>
  13 #include <linux/sh_timer.h>
  14 #include <linux/sh_intc.h>
  15 #include <asm/rtc.h>
  16 #include <asm/platform_early.h>
  17
  18 enum {
  19         UNUSED = 0,
  20
  21         /* interrupt sources */
  22         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  23         DMAC1, SCIF0, SCIF1, DMAC2, IPSEC,
  24         EDMAC0, EDMAC1, EDMAC2,
  25         SIOF0, SIOF1,
  26
  27         TMU0, TMU1, TMU2,
  28         RTC, WDT, REF,
  29 };
  30
  31 static struct intc_vect vectors[] __initdata = {
  32         /* IRQ0->5 are handled in setup-sh3.c */
  33         INTC_VECT(DMAC1, 0x800), INTC_VECT(DMAC1, 0x820),
  34         INTC_VECT(DMAC1, 0x840), INTC_VECT(DMAC1, 0x860),
  35         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  36         INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
  37         INTC_VECT(SCIF1, 0x900), INTC_VECT(SCIF1, 0x920),
  38         INTC_VECT(SCIF1, 0x940), INTC_VECT(SCIF1, 0x960),
  39         INTC_VECT(DMAC2, 0xb80), INTC_VECT(DMAC2, 0xba0),
  40 #ifdef CONFIG_CPU_SUBTYPE_SH7710
  41         INTC_VECT(IPSEC, 0xbe0),
  42 #endif
  43         INTC_VECT(EDMAC0, 0xc00), INTC_VECT(EDMAC1, 0xc20),
  44         INTC_VECT(EDMAC2, 0xc40),
  45         INTC_VECT(SIOF0, 0xe00), INTC_VECT(SIOF0, 0xe20),
  46         INTC_VECT(SIOF0, 0xe40), INTC_VECT(SIOF0, 0xe60),
  47         INTC_VECT(SIOF1, 0xe80), INTC_VECT(SIOF1, 0xea0),
  48         INTC_VECT(SIOF1, 0xec0), INTC_VECT(SIOF1, 0xee0),
  49         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  50         INTC_VECT(TMU2, 0x440),
  51         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  52         INTC_VECT(RTC, 0x4c0),
  53         INTC_VECT(WDT, 0x560),
  54         INTC_VECT(REF, 0x580),
  55 };
  56
  57 static struct intc_prio_reg prio_registers[] __initdata = {
  58         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  59         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
  60         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  61         { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
  62         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC1, SCIF0, SCIF1 } },
  63         { 0xa4080000, 0, 16, 4, /* IPRF */ { IPSEC, DMAC2 } },
  64         { 0xa4080002, 0, 16, 4, /* IPRG */ { EDMAC0, EDMAC1, EDMAC2 } },
  65         { 0xa4080004, 0, 16, 4, /* IPRH */ { 0, 0, 0, SIOF0 } },
  66         { 0xa4080006, 0, 16, 4, /* IPRI */ { 0, 0, SIOF1 } },
  67 };
  68
  69 static DECLARE_INTC_DESC(intc_desc, "sh7710", vectors, NULL,
  70                          NULL, prio_registers, NULL);
  71
  72 static struct resource rtc_resources[] = {
  73         [0] =   {
  74                 .start  = 0xa413fec0,
  75                 .end    = 0xa413fec0 + 0x1e,
  76                 .flags  = IORESOURCE_IO,
  77         },
  78         [1] =   {
  79                 .start  = evt2irq(0x480),
  80                 .flags  = IORESOURCE_IRQ,
  81         },
  82 };
  83
  84 static struct sh_rtc_platform_info rtc_info = {
  85         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
  86 };
  87
  88 static struct platform_device rtc_device = {
  89         .name           = "sh-rtc",
  90         .id             = -1,
  91         .num_resources  = ARRAY_SIZE(rtc_resources),
  92         .resource       = rtc_resources,
  93         .dev            = {
  94                 .platform_data = &rtc_info,
  95         },
  96 };
  97
  98 static struct plat_sci_port scif0_platform_data = {
  99         .scscr          = SCSCR_REIE | SCSCR_CKE1,
 100         .type           = PORT_SCIF,
 101 };
 102
 103 static struct resource scif0_resources[] = {
 104         DEFINE_RES_MEM(0xa4400000, 0x100),
 105         DEFINE_RES_IRQ(evt2irq(0x880)),
 106 };
 107
 108 static struct platform_device scif0_device = {
 109         .name           = "sh-sci",
 110         .id             = 0,
 111         .resource       = scif0_resources,
 112         .num_resources  = ARRAY_SIZE(scif0_resources),
 113         .dev            = {
 114                 .platform_data  = &scif0_platform_data,
 115         },
 116 };
 117
 118 static struct plat_sci_port scif1_platform_data = {
 119         .scscr          = SCSCR_REIE | SCSCR_CKE1,
 120         .type           = PORT_SCIF,
 121 };
 122
 123 static struct resource scif1_resources[] = {
 124         DEFINE_RES_MEM(0xa4410000, 0x100),
 125         DEFINE_RES_IRQ(evt2irq(0x900)),
 126 };
 127
 128 static struct platform_device scif1_device = {
 129         .name           = "sh-sci",
 130         .id             = 1,
 131         .resource       = scif1_resources,
 132         .num_resources  = ARRAY_SIZE(scif1_resources),
 133         .dev            = {
 134                 .platform_data  = &scif1_platform_data,
 135         },
 136 };
 137
 138 static struct sh_timer_config tmu0_platform_data = {
 139         .channels_mask = 7,
 140 };
 141
 142 static struct resource tmu0_resources[] = {
 143         DEFINE_RES_MEM(0xa412fe90, 0x28),
 144         DEFINE_RES_IRQ(evt2irq(0x400)),
 145         DEFINE_RES_IRQ(evt2irq(0x420)),
 146         DEFINE_RES_IRQ(evt2irq(0x440)),
 147 };
 148
 149 static struct platform_device tmu0_device = {
 150         .name           = "sh-tmu-sh3",
 151         .id             = 0,
 152         .dev = {
 153                 .platform_data  = &tmu0_platform_data,
 154         },
 155         .resource       = tmu0_resources,
 156         .num_resources  = ARRAY_SIZE(tmu0_resources),
 157 };
 158
 159 static struct platform_device *sh7710_devices[] __initdata = {
 160         &scif0_device,
 161         &scif1_device,
 162         &tmu0_device,
 163         &rtc_device,
 164 };
 165
 166 static int __init sh7710_devices_setup(void)
 167 {
 168         return platform_add_devices(sh7710_devices,
 169                                     ARRAY_SIZE(sh7710_devices));
 170 }
 171 arch_initcall(sh7710_devices_setup);
 172
 173 static struct platform_device *sh7710_early_devices[] __initdata = {
 174         &scif0_device,
 175         &scif1_device,
 176         &tmu0_device,
 177 };
 178
 179 void __init plat_early_device_setup(void)
 180 {
 181         sh_early_platform_add_devices(sh7710_early_devices,
 182                                    ARRAY_SIZE(sh7710_early_devices));
 183 }
 184
 185 void __init plat_irq_setup(void)
 186 {
 187         register_intc_controller(&intc_desc);
 188         plat_irq_setup_sh3();
 189 }