linux/arch/sh/kernel/cpu/sh3/setup-sh7710.c
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   1/*
   2 * SH3 Setup code for SH7710, SH7712
   3 *
   4 *  Copyright (C) 2006 - 2009  Paul Mundt
   5 *  Copyright (C) 2007  Nobuhiro Iwamatsu
   6 *
   7 * This file is subject to the terms and conditions of the GNU General Public
   8 * License.  See the file "COPYING" in the main directory of this archive
   9 * for more details.
  10 */
  11#include <linux/platform_device.h>
  12#include <linux/init.h>
  13#include <linux/irq.h>
  14#include <linux/serial.h>
  15#include <linux/serial_sci.h>
  16#include <linux/sh_timer.h>
  17#include <linux/sh_intc.h>
  18#include <asm/rtc.h>
  19
  20enum {
  21        UNUSED = 0,
  22
  23        /* interrupt sources */
  24        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  25        DMAC1, SCIF0, SCIF1, DMAC2, IPSEC,
  26        EDMAC0, EDMAC1, EDMAC2,
  27        SIOF0, SIOF1,
  28
  29        TMU0, TMU1, TMU2,
  30        RTC, WDT, REF,
  31};
  32
  33static struct intc_vect vectors[] __initdata = {
  34        /* IRQ0->5 are handled in setup-sh3.c */
  35        INTC_VECT(DMAC1, 0x800), INTC_VECT(DMAC1, 0x820),
  36        INTC_VECT(DMAC1, 0x840), INTC_VECT(DMAC1, 0x860),
  37        INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  38        INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
  39        INTC_VECT(SCIF1, 0x900), INTC_VECT(SCIF1, 0x920),
  40        INTC_VECT(SCIF1, 0x940), INTC_VECT(SCIF1, 0x960),
  41        INTC_VECT(DMAC2, 0xb80), INTC_VECT(DMAC2, 0xba0),
  42#ifdef CONFIG_CPU_SUBTYPE_SH7710
  43        INTC_VECT(IPSEC, 0xbe0),
  44#endif
  45        INTC_VECT(EDMAC0, 0xc00), INTC_VECT(EDMAC1, 0xc20),
  46        INTC_VECT(EDMAC2, 0xc40),
  47        INTC_VECT(SIOF0, 0xe00), INTC_VECT(SIOF0, 0xe20),
  48        INTC_VECT(SIOF0, 0xe40), INTC_VECT(SIOF0, 0xe60),
  49        INTC_VECT(SIOF1, 0xe80), INTC_VECT(SIOF1, 0xea0),
  50        INTC_VECT(SIOF1, 0xec0), INTC_VECT(SIOF1, 0xee0),
  51        INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  52        INTC_VECT(TMU2, 0x440),
  53        INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  54        INTC_VECT(RTC, 0x4c0),
  55        INTC_VECT(WDT, 0x560),
  56        INTC_VECT(REF, 0x580),
  57};
  58
  59static struct intc_prio_reg prio_registers[] __initdata = {
  60        { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  61        { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
  62        { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  63        { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
  64        { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC1, SCIF0, SCIF1 } },
  65        { 0xa4080000, 0, 16, 4, /* IPRF */ { IPSEC, DMAC2 } },
  66        { 0xa4080002, 0, 16, 4, /* IPRG */ { EDMAC0, EDMAC1, EDMAC2 } },
  67        { 0xa4080004, 0, 16, 4, /* IPRH */ { 0, 0, 0, SIOF0 } },
  68        { 0xa4080006, 0, 16, 4, /* IPRI */ { 0, 0, SIOF1 } },
  69};
  70
  71static DECLARE_INTC_DESC(intc_desc, "sh7710", vectors, NULL,
  72                         NULL, prio_registers, NULL);
  73
  74static struct resource rtc_resources[] = {
  75        [0] =   {
  76                .start  = 0xa413fec0,
  77                .end    = 0xa413fec0 + 0x1e,
  78                .flags  = IORESOURCE_IO,
  79        },
  80        [1] =   {
  81                .start  = evt2irq(0x480),
  82                .flags  = IORESOURCE_IRQ,
  83        },
  84};
  85
  86static struct sh_rtc_platform_info rtc_info = {
  87        .capabilities   = RTC_CAP_4_DIGIT_YEAR,
  88};
  89
  90static struct platform_device rtc_device = {
  91        .name           = "sh-rtc",
  92        .id             = -1,
  93        .num_resources  = ARRAY_SIZE(rtc_resources),
  94        .resource       = rtc_resources,
  95        .dev            = {
  96                .platform_data = &rtc_info,
  97        },
  98};
  99
 100static struct plat_sci_port scif0_platform_data = {
 101        .scscr          = SCSCR_REIE | SCSCR_CKE1,
 102        .type           = PORT_SCIF,
 103};
 104
 105static struct resource scif0_resources[] = {
 106        DEFINE_RES_MEM(0xa4400000, 0x100),
 107        DEFINE_RES_IRQ(evt2irq(0x880)),
 108};
 109
 110static struct platform_device scif0_device = {
 111        .name           = "sh-sci",
 112        .id             = 0,
 113        .resource       = scif0_resources,
 114        .num_resources  = ARRAY_SIZE(scif0_resources),
 115        .dev            = {
 116                .platform_data  = &scif0_platform_data,
 117        },
 118};
 119
 120static struct plat_sci_port scif1_platform_data = {
 121        .scscr          = SCSCR_REIE | SCSCR_CKE1,
 122        .type           = PORT_SCIF,
 123};
 124
 125static struct resource scif1_resources[] = {
 126        DEFINE_RES_MEM(0xa4410000, 0x100),
 127        DEFINE_RES_IRQ(evt2irq(0x900)),
 128};
 129
 130static struct platform_device scif1_device = {
 131        .name           = "sh-sci",
 132        .id             = 1,
 133        .resource       = scif1_resources,
 134        .num_resources  = ARRAY_SIZE(scif1_resources),
 135        .dev            = {
 136                .platform_data  = &scif1_platform_data,
 137        },
 138};
 139
 140static struct sh_timer_config tmu0_platform_data = {
 141        .channels_mask = 7,
 142};
 143
 144static struct resource tmu0_resources[] = {
 145        DEFINE_RES_MEM(0xa412fe90, 0x28),
 146        DEFINE_RES_IRQ(evt2irq(0x400)),
 147        DEFINE_RES_IRQ(evt2irq(0x420)),
 148        DEFINE_RES_IRQ(evt2irq(0x440)),
 149};
 150
 151static struct platform_device tmu0_device = {
 152        .name           = "sh-tmu-sh3",
 153        .id             = 0,
 154        .dev = {
 155                .platform_data  = &tmu0_platform_data,
 156        },
 157        .resource       = tmu0_resources,
 158        .num_resources  = ARRAY_SIZE(tmu0_resources),
 159};
 160
 161static struct platform_device *sh7710_devices[] __initdata = {
 162        &scif0_device,
 163        &scif1_device,
 164        &tmu0_device,
 165        &rtc_device,
 166};
 167
 168static int __init sh7710_devices_setup(void)
 169{
 170        return platform_add_devices(sh7710_devices,
 171                                    ARRAY_SIZE(sh7710_devices));
 172}
 173arch_initcall(sh7710_devices_setup);
 174
 175static struct platform_device *sh7710_early_devices[] __initdata = {
 176        &scif0_device,
 177        &scif1_device,
 178        &tmu0_device,
 179};
 180
 181void __init plat_early_device_setup(void)
 182{
 183        early_platform_add_devices(sh7710_early_devices,
 184                                   ARRAY_SIZE(sh7710_early_devices));
 185}
 186
 187void __init plat_irq_setup(void)
 188{
 189        register_intc_controller(&intc_desc);
 190        plat_irq_setup_sh3();
 191}
 192