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 #include <asm/platform_early.h>
  18
  19 enum {
  20         UNUSED = 0,
  21
  22         /* interrupt sources */
  23         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  24         PINT07, PINT815,
  25
  26         DMAC, SCIF0, SCIF2, ADC_ADI, USB,
  27
  28         TPU0, TPU1, TPU2, TPU3,
  29         TMU0, TMU1, TMU2,
  30
  31         RTC, WDT, REF_RCMI,
  32 };
  33
  34 static struct intc_vect vectors[] __initdata = {
  35         /* IRQ0->5 are handled in setup-sh3.c */
  36         INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
  37         INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
  38         INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
  39         INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  40         INTC_VECT(SCIF0, 0x8e0),
  41         INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
  42         INTC_VECT(SCIF2, 0x960),
  43         INTC_VECT(ADC_ADI, 0x980),
  44         INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40),
  45         INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
  46         INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
  47         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  48         INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
  49         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  50         INTC_VECT(RTC, 0x4c0),
  51         INTC_VECT(WDT, 0x560),
  52         INTC_VECT(REF_RCMI, 0x580),
  53 };
  54
  55 static struct intc_prio_reg prio_registers[] __initdata = {
  56         { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  57         { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
  58         { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  59         { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
  60         { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
  61         { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
  62         { 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
  63         { 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
  64
  65 };
  66
  67 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL,
  68                          NULL, prio_registers, NULL);
  69
  70 static struct plat_sci_port scif0_platform_data = {
  71         .scscr          = SCSCR_CKE1,
  72         .type           = PORT_SCIF,
  73         .ops            = &sh770x_sci_port_ops,
  74         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
  75 };
  76
  77 static struct resource scif0_resources[] = {
  78         DEFINE_RES_MEM(0xa4410000, 0x100),
  79         DEFINE_RES_IRQ(evt2irq(0x900)),
  80 };
  81
  82 static struct platform_device scif0_device = {
  83         .name           = "sh-sci",
  84         .id             = 0,
  85         .resource       = scif0_resources,
  86         .num_resources  = ARRAY_SIZE(scif0_resources),
  87         .dev            = {
  88                 .platform_data  = &scif0_platform_data,
  89         },
  90 };
  91
  92 static struct plat_sci_port scif1_platform_data = {
  93         .type           = PORT_SCIF,
  94         .ops            = &sh770x_sci_port_ops,
  95         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
  96 };
  97
  98 static struct resource scif1_resources[] = {
  99         DEFINE_RES_MEM(0xa4400000, 0x100),
 100         DEFINE_RES_IRQ(evt2irq(0x880)),
 101 };
 102
 103 static struct platform_device scif1_device = {
 104         .name           = "sh-sci",
 105         .id             = 1,
 106         .resource       = scif1_resources,
 107         .num_resources  = ARRAY_SIZE(scif1_resources),
 108         .dev            = {
 109                 .platform_data  = &scif1_platform_data,
 110         },
 111 };
 112
 113 static struct resource rtc_resources[] = {
 114         [0] =   {
 115                 .start  = 0xfffffec0,
 116                 .end    = 0xfffffec0 + 0x1e,
 117                 .flags  = IORESOURCE_IO,
 118         },
 119         [1] =   {
 120                 .start  = evt2irq(0x480),
 121                 .flags  = IORESOURCE_IRQ,
 122         },
 123 };
 124
 125 static struct sh_rtc_platform_info rtc_info = {
 126         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
 127 };
 128
 129 static struct platform_device rtc_device = {
 130         .name           = "sh-rtc",
 131         .id             = -1,
 132         .num_resources  = ARRAY_SIZE(rtc_resources),
 133         .resource       = rtc_resources,
 134         .dev            = {
 135                 .platform_data = &rtc_info,
 136         },
 137 };
 138
 139 static struct sh_timer_config tmu0_platform_data = {
 140         .channels_mask = 7,
 141 };
 142
 143 static struct resource tmu0_resources[] = {
 144         DEFINE_RES_MEM(0xfffffe90, 0x2c),
 145         DEFINE_RES_IRQ(evt2irq(0x400)),
 146         DEFINE_RES_IRQ(evt2irq(0x420)),
 147         DEFINE_RES_IRQ(evt2irq(0x440)),
 148 };
 149
 150 static struct platform_device tmu0_device = {
 151         .name           = "sh-tmu-sh3",
 152         .id             = 0,
 153         .dev = {
 154                 .platform_data  = &tmu0_platform_data,
 155         },
 156         .resource       = tmu0_resources,
 157         .num_resources  = ARRAY_SIZE(tmu0_resources),
 158 };
 159
 160 static struct platform_device *sh7705_devices[] __initdata = {
 161         &scif0_device,
 162         &scif1_device,
 163         &tmu0_device,
 164         &rtc_device,
 165 };
 166
 167 static int __init sh7705_devices_setup(void)
 168 {
 169         return platform_add_devices(sh7705_devices,
 170                                     ARRAY_SIZE(sh7705_devices));
 171 }
 172 arch_initcall(sh7705_devices_setup);
 173
 174 static struct platform_device *sh7705_early_devices[] __initdata = {
 175         &scif0_device,
 176         &scif1_device,
 177         &tmu0_device,
 178 };
 179
 180 void __init plat_early_device_setup(void)
 181 {
 182         sh_early_platform_add_devices(sh7705_early_devices,
 183                                    ARRAY_SIZE(sh7705_early_devices));
 184 }
 185
 186 void __init plat_irq_setup(void)
 187 {
 188         register_intc_controller(&intc_desc);
 189         plat_irq_setup_sh3();
 190 }