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 <asm/rtc.h>
  18
  19enum {
  20        UNUSED = 0,
  21
  22        /* interrupt sources */
  23        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
  24        DMAC1, SCIF0, SCIF1, DMAC2, IPSEC,
  25        EDMAC0, EDMAC1, EDMAC2,
  26        SIOF0, SIOF1,
  27
  28        TMU0, TMU1, TMU2,
  29        RTC, WDT, REF,
  30};
  31
  32static struct intc_vect vectors[] __initdata = {
  33        /* IRQ0->5 are handled in setup-sh3.c */
  34        INTC_VECT(DMAC1, 0x800), INTC_VECT(DMAC1, 0x820),
  35        INTC_VECT(DMAC1, 0x840), INTC_VECT(DMAC1, 0x860),
  36        INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
  37        INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
  38        INTC_VECT(SCIF1, 0x900), INTC_VECT(SCIF1, 0x920),
  39        INTC_VECT(SCIF1, 0x940), INTC_VECT(SCIF1, 0x960),
  40        INTC_VECT(DMAC2, 0xb80), INTC_VECT(DMAC2, 0xba0),
  41#ifdef CONFIG_CPU_SUBTYPE_SH7710
  42        INTC_VECT(IPSEC, 0xbe0),
  43#endif
  44        INTC_VECT(EDMAC0, 0xc00), INTC_VECT(EDMAC1, 0xc20),
  45        INTC_VECT(EDMAC2, 0xc40),
  46        INTC_VECT(SIOF0, 0xe00), INTC_VECT(SIOF0, 0xe20),
  47        INTC_VECT(SIOF0, 0xe40), INTC_VECT(SIOF0, 0xe60),
  48        INTC_VECT(SIOF1, 0xe80), INTC_VECT(SIOF1, 0xea0),
  49        INTC_VECT(SIOF1, 0xec0), INTC_VECT(SIOF1, 0xee0),
  50        INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  51        INTC_VECT(TMU2, 0x440),
  52        INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
  53        INTC_VECT(RTC, 0x4c0),
  54        INTC_VECT(WDT, 0x560),
  55        INTC_VECT(REF, 0x580),
  56};
  57
  58static struct intc_prio_reg prio_registers[] __initdata = {
  59        { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
  60        { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
  61        { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
  62        { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
  63        { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC1, SCIF0, SCIF1 } },
  64        { 0xa4080000, 0, 16, 4, /* IPRF */ { IPSEC, DMAC2 } },
  65        { 0xa4080002, 0, 16, 4, /* IPRG */ { EDMAC0, EDMAC1, EDMAC2 } },
  66        { 0xa4080004, 0, 16, 4, /* IPRH */ { 0, 0, 0, SIOF0 } },
  67        { 0xa4080006, 0, 16, 4, /* IPRI */ { 0, 0, SIOF1 } },
  68};
  69
  70static DECLARE_INTC_DESC(intc_desc, "sh7710", vectors, NULL,
  71                         NULL, prio_registers, NULL);
  72
  73static struct resource rtc_resources[] = {
  74        [0] =   {
  75                .start  = 0xa413fec0,
  76                .end    = 0xa413fec0 + 0x1e,
  77                .flags  = IORESOURCE_IO,
  78        },
  79        [1] =   {
  80                .start  = 20,
  81                .flags  = IORESOURCE_IRQ,
  82        },
  83};
  84
  85static struct sh_rtc_platform_info rtc_info = {
  86        .capabilities   = RTC_CAP_4_DIGIT_YEAR,
  87};
  88
  89static struct platform_device rtc_device = {
  90        .name           = "sh-rtc",
  91        .id             = -1,
  92        .num_resources  = ARRAY_SIZE(rtc_resources),
  93        .resource       = rtc_resources,
  94        .dev            = {
  95                .platform_data = &rtc_info,
  96        },
  97};
  98
  99static struct plat_sci_port scif0_platform_data = {
 100        .mapbase        = 0xa4400000,
 101        .flags          = UPF_BOOT_AUTOCONF,
 102        .scscr          = SCSCR_TE | SCSCR_RE | SCSCR_REIE |
 103                          SCSCR_CKE1 | SCSCR_CKE0,
 104        .scbrr_algo_id  = SCBRR_ALGO_2,
 105        .type           = PORT_SCIF,
 106        .irqs           = { 52, 52, 52, 52 },
 107};
 108
 109static struct platform_device scif0_device = {
 110        .name           = "sh-sci",
 111        .id             = 0,
 112        .dev            = {
 113                .platform_data  = &scif0_platform_data,
 114        },
 115};
 116
 117static struct plat_sci_port scif1_platform_data = {
 118        .mapbase        = 0xa4410000,
 119        .flags          = UPF_BOOT_AUTOCONF,
 120        .scscr          = SCSCR_TE | SCSCR_RE | SCSCR_REIE |
 121                          SCSCR_CKE1 | SCSCR_CKE0,
 122        .scbrr_algo_id  = SCBRR_ALGO_2,
 123        .type           = PORT_SCIF,
 124        .irqs           = { 56, 56, 56, 56 },
 125};
 126
 127static struct platform_device scif1_device = {
 128        .name           = "sh-sci",
 129        .id             = 1,
 130        .dev            = {
 131                .platform_data  = &scif1_platform_data,
 132        },
 133};
 134
 135static struct sh_timer_config tmu0_platform_data = {
 136        .channel_offset = 0x02,
 137        .timer_bit = 0,
 138        .clockevent_rating = 200,
 139};
 140
 141static struct resource tmu0_resources[] = {
 142        [0] = {
 143                .start  = 0xa412fe94,
 144                .end    = 0xa412fe9f,
 145                .flags  = IORESOURCE_MEM,
 146        },
 147        [1] = {
 148                .start  = 16,
 149                .flags  = IORESOURCE_IRQ,
 150        },
 151};
 152
 153static struct platform_device tmu0_device = {
 154        .name           = "sh_tmu",
 155        .id             = 0,
 156        .dev = {
 157                .platform_data  = &tmu0_platform_data,
 158        },
 159        .resource       = tmu0_resources,
 160        .num_resources  = ARRAY_SIZE(tmu0_resources),
 161};
 162
 163static struct sh_timer_config tmu1_platform_data = {
 164        .channel_offset = 0xe,
 165        .timer_bit = 1,
 166        .clocksource_rating = 200,
 167};
 168
 169static struct resource tmu1_resources[] = {
 170        [0] = {
 171                .start  = 0xa412fea0,
 172                .end    = 0xa412feab,
 173                .flags  = IORESOURCE_MEM,
 174        },
 175        [1] = {
 176                .start  = 17,
 177                .flags  = IORESOURCE_IRQ,
 178        },
 179};
 180
 181static struct platform_device tmu1_device = {
 182        .name           = "sh_tmu",
 183        .id             = 1,
 184        .dev = {
 185                .platform_data  = &tmu1_platform_data,
 186        },
 187        .resource       = tmu1_resources,
 188        .num_resources  = ARRAY_SIZE(tmu1_resources),
 189};
 190
 191static struct sh_timer_config tmu2_platform_data = {
 192        .channel_offset = 0x1a,
 193        .timer_bit = 2,
 194};
 195
 196static struct resource tmu2_resources[] = {
 197        [0] = {
 198                .start  = 0xa412feac,
 199                .end    = 0xa412feb5,
 200                .flags  = IORESOURCE_MEM,
 201        },
 202        [1] = {
 203                .start  = 18,
 204                .flags  = IORESOURCE_IRQ,
 205        },
 206};
 207
 208static struct platform_device tmu2_device = {
 209        .name           = "sh_tmu",
 210        .id             = 2,
 211        .dev = {
 212                .platform_data  = &tmu2_platform_data,
 213        },
 214        .resource       = tmu2_resources,
 215        .num_resources  = ARRAY_SIZE(tmu2_resources),
 216};
 217
 218static struct platform_device *sh7710_devices[] __initdata = {
 219        &scif0_device,
 220        &scif1_device,
 221        &tmu0_device,
 222        &tmu1_device,
 223        &tmu2_device,
 224        &rtc_device,
 225};
 226
 227static int __init sh7710_devices_setup(void)
 228{
 229        return platform_add_devices(sh7710_devices,
 230                                    ARRAY_SIZE(sh7710_devices));
 231}
 232arch_initcall(sh7710_devices_setup);
 233
 234static struct platform_device *sh7710_early_devices[] __initdata = {
 235        &scif0_device,
 236        &scif1_device,
 237        &tmu0_device,
 238        &tmu1_device,
 239        &tmu2_device,
 240};
 241
 242void __init plat_early_device_setup(void)
 243{
 244        early_platform_add_devices(sh7710_early_devices,
 245                                   ARRAY_SIZE(sh7710_early_devices));
 246}
 247
 248void __init plat_irq_setup(void)
 249{
 250        register_intc_controller(&intc_desc);
 251        plat_irq_setup_sh3();
 252}
 253