arch/sh/kernel/cpu/sh3/setup-sh7705.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * SH7705 Setup
   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 <cpu/serial.h>
  17
  18 enum {
  19         UNUSED = 0,
  20
  21         /* interrupt sources */
  22         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  23         PINT07, PINT815,
  24
  25         DMAC, SCIF0, SCIF2, ADC_ADI, USB,
  26
  27         TPU0, TPU1, TPU2, TPU3,
  28         TMU0, TMU1, TMU2,
  29
  30         RTC, WDT, REF_RCMI,
  31 };
  32
  33 static struct intc_vect vectors[] __initdata = {
  34         /* IRQ0->5 are handled in setup-sh3.c */
  35         INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
  36         INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
  37         INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
  38         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  39         INTC_VECT(SCIF0, 0x8e0),
  40         INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
  41         INTC_VECT(SCIF2, 0x960),
  42         INTC_VECT(ADC_ADI, 0x980),
  43         INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40),
  44         INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
  45         INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
  46         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  47         INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
  48         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  49         INTC_VECT(RTC, 0x4c0),
  50         INTC_VECT(WDT, 0x560),
  51         INTC_VECT(REF_RCMI, 0x580),
  52 };
  53
  54 static struct intc_prio_reg prio_registers[] __initdata = {
  55         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  56         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
  57         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  58         { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
  59         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
  60         { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
  61         { 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
  62         { 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
  63
  64 };
  65
  66 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL,
  67                          NULL, prio_registers, NULL);
  68
  69 static struct plat_sci_port scif0_platform_data = {
  70         .scscr          = SCSCR_CKE1,
  71         .type           = PORT_SCIF,
  72         .ops            = &sh770x_sci_port_ops,
  73         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
  74 };
  75
  76 static struct resource scif0_resources[] = {
  77         DEFINE_RES_MEM(0xa4410000, 0x100),
  78         DEFINE_RES_IRQ(evt2irq(0x900)),
  79 };
  80
  81 static struct platform_device scif0_device = {
  82         .name           = "sh-sci",
  83         .id             = 0,
  84         .resource       = scif0_resources,
  85         .num_resources  = ARRAY_SIZE(scif0_resources),
  86         .dev            = {
  87                 .platform_data  = &scif0_platform_data,
  88         },
  89 };
  90
  91 static struct plat_sci_port scif1_platform_data = {
  92         .type           = PORT_SCIF,
  93         .ops            = &sh770x_sci_port_ops,
  94         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
  95 };
  96
  97 static struct resource scif1_resources[] = {
  98         DEFINE_RES_MEM(0xa4400000, 0x100),
  99         DEFINE_RES_IRQ(evt2irq(0x880)),
 100 };
 101
 102 static struct platform_device scif1_device = {
 103         .name           = "sh-sci",
 104         .id             = 1,
 105         .resource       = scif1_resources,
 106         .num_resources  = ARRAY_SIZE(scif1_resources),
 107         .dev            = {
 108                 .platform_data  = &scif1_platform_data,
 109         },
 110 };
 111
 112 static struct resource rtc_resources[] = {
 113         [0] =   {
 114                 .start  = 0xfffffec0,
 115                 .end    = 0xfffffec0 + 0x1e,
 116                 .flags  = IORESOURCE_IO,
 117         },
 118         [1] =   {
 119                 .start  = evt2irq(0x480),
 120                 .flags  = IORESOURCE_IRQ,
 121         },
 122 };
 123
 124 static struct sh_rtc_platform_info rtc_info = {
 125         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
 126 };
 127
 128 static struct platform_device rtc_device = {
 129         .name           = "sh-rtc",
 130         .id             = -1,
 131         .num_resources  = ARRAY_SIZE(rtc_resources),
 132         .resource       = rtc_resources,
 133         .dev            = {
 134                 .platform_data = &rtc_info,
 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(0xfffffe90, 0x2c),
 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 *sh7705_devices[] __initdata = {
 160         &scif0_device,
 161         &scif1_device,
 162         &tmu0_device,
 163         &rtc_device,
 164 };
 165
 166 static int __init sh7705_devices_setup(void)
 167 {
 168         return platform_add_devices(sh7705_devices,
 169                                     ARRAY_SIZE(sh7705_devices));
 170 }
 171 arch_initcall(sh7705_devices_setup);
 172
 173 static struct platform_device *sh7705_early_devices[] __initdata = {
 174         &scif0_device,
 175         &scif1_device,
 176         &tmu0_device,
 177 };
 178
 179 void __init plat_early_device_setup(void)
 180 {
 181         early_platform_add_devices(sh7705_early_devices,
 182                                    ARRAY_SIZE(sh7705_early_devices));
 183 }
 184
 185 void __init plat_irq_setup(void)
 186 {
 187         register_intc_controller(&intc_desc);
 188         plat_irq_setup_sh3();
 189 }