linux/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
<<
>>
Prefs
   1/*
   2 * SH7206 Setup
   3 *
   4 *  Copyright (C) 2006  Yoshinori Sato
   5 *  Copyright (C) 2009  Paul Mundt
   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/serial.h>
  14#include <linux/serial_sci.h>
  15#include <linux/sh_timer.h>
  16#include <linux/io.h>
  17
  18enum {
  19        UNUSED = 0,
  20
  21        /* interrupt sources */
  22        IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
  23        PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
  24        ADC_ADI0, ADC_ADI1,
  25
  26        DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7,
  27
  28        MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU,
  29        MTU3_ABCD, MTU4_ABCD, MTU5, POE2_12, MTU3S_ABCD, MTU4S_ABCD, MTU5S,
  30        IIC3,
  31
  32        CMT0, CMT1, BSC, WDT,
  33
  34        MTU2_TCI3V, MTU2_TCI4V, MTU2S_TCI3V, MTU2S_TCI4V,
  35
  36        POE2_OEI3,
  37
  38        SCIF0, SCIF1, SCIF2, SCIF3,
  39
  40        /* interrupt groups */
  41        PINT,
  42};
  43
  44static struct intc_vect vectors[] __initdata = {
  45        INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
  46        INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
  47        INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
  48        INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
  49        INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
  50        INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
  51        INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
  52        INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
  53        INTC_IRQ(ADC_ADI0, 92), INTC_IRQ(ADC_ADI1, 96),
  54        INTC_IRQ(DMAC0, 108), INTC_IRQ(DMAC0, 109),
  55        INTC_IRQ(DMAC1, 112), INTC_IRQ(DMAC1, 113),
  56        INTC_IRQ(DMAC2, 116), INTC_IRQ(DMAC2, 117),
  57        INTC_IRQ(DMAC3, 120), INTC_IRQ(DMAC3, 121),
  58        INTC_IRQ(DMAC4, 124), INTC_IRQ(DMAC4, 125),
  59        INTC_IRQ(DMAC5, 128), INTC_IRQ(DMAC5, 129),
  60        INTC_IRQ(DMAC6, 132), INTC_IRQ(DMAC6, 133),
  61        INTC_IRQ(DMAC7, 136), INTC_IRQ(DMAC7, 137),
  62        INTC_IRQ(CMT0, 140), INTC_IRQ(CMT1, 144),
  63        INTC_IRQ(BSC, 148), INTC_IRQ(WDT, 152),
  64        INTC_IRQ(MTU0_ABCD, 156), INTC_IRQ(MTU0_ABCD, 157),
  65        INTC_IRQ(MTU0_ABCD, 158), INTC_IRQ(MTU0_ABCD, 159),
  66        INTC_IRQ(MTU0_VEF, 160), INTC_IRQ(MTU0_VEF, 161),
  67        INTC_IRQ(MTU0_VEF, 162),
  68        INTC_IRQ(MTU1_AB, 164), INTC_IRQ(MTU1_AB, 165),
  69        INTC_IRQ(MTU1_VU, 168), INTC_IRQ(MTU1_VU, 169),
  70        INTC_IRQ(MTU2_AB, 172), INTC_IRQ(MTU2_AB, 173),
  71        INTC_IRQ(MTU2_VU, 176), INTC_IRQ(MTU2_VU, 177),
  72        INTC_IRQ(MTU3_ABCD, 180), INTC_IRQ(MTU3_ABCD, 181),
  73        INTC_IRQ(MTU3_ABCD, 182), INTC_IRQ(MTU3_ABCD, 183),
  74        INTC_IRQ(MTU2_TCI3V, 184),
  75        INTC_IRQ(MTU4_ABCD, 188), INTC_IRQ(MTU4_ABCD, 189),
  76        INTC_IRQ(MTU4_ABCD, 190), INTC_IRQ(MTU4_ABCD, 191),
  77        INTC_IRQ(MTU2_TCI4V, 192),
  78        INTC_IRQ(MTU5, 196), INTC_IRQ(MTU5, 197),
  79        INTC_IRQ(MTU5, 198),
  80        INTC_IRQ(POE2_12, 200), INTC_IRQ(POE2_12, 201),
  81        INTC_IRQ(MTU3S_ABCD, 204), INTC_IRQ(MTU3S_ABCD, 205),
  82        INTC_IRQ(MTU3S_ABCD, 206), INTC_IRQ(MTU3S_ABCD, 207),
  83        INTC_IRQ(MTU2S_TCI3V, 208),
  84        INTC_IRQ(MTU4S_ABCD, 212), INTC_IRQ(MTU4S_ABCD, 213),
  85        INTC_IRQ(MTU4S_ABCD, 214), INTC_IRQ(MTU4S_ABCD, 215),
  86        INTC_IRQ(MTU2S_TCI4V, 216),
  87        INTC_IRQ(MTU5S, 220), INTC_IRQ(MTU5S, 221),
  88        INTC_IRQ(MTU5S, 222),
  89        INTC_IRQ(POE2_OEI3, 224),
  90        INTC_IRQ(IIC3, 228), INTC_IRQ(IIC3, 229),
  91        INTC_IRQ(IIC3, 230), INTC_IRQ(IIC3, 231),
  92        INTC_IRQ(IIC3, 232),
  93        INTC_IRQ(SCIF0, 240), INTC_IRQ(SCIF0, 241),
  94        INTC_IRQ(SCIF0, 242), INTC_IRQ(SCIF0, 243),
  95        INTC_IRQ(SCIF1, 244), INTC_IRQ(SCIF1, 245),
  96        INTC_IRQ(SCIF1, 246), INTC_IRQ(SCIF1, 247),
  97        INTC_IRQ(SCIF2, 248), INTC_IRQ(SCIF2, 249),
  98        INTC_IRQ(SCIF2, 250), INTC_IRQ(SCIF2, 251),
  99        INTC_IRQ(SCIF3, 252), INTC_IRQ(SCIF3, 253),
 100        INTC_IRQ(SCIF3, 254), INTC_IRQ(SCIF3, 255),
 101};
 102
 103static struct intc_group groups[] __initdata = {
 104        INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
 105                   PINT4, PINT5, PINT6, PINT7),
 106};
 107
 108static struct intc_prio_reg prio_registers[] __initdata = {
 109        { 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
 110        { 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
 111        { 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, ADC_ADI0, ADC_ADI1 } },
 112        { 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
 113        { 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } },
 114        { 0xfffe0c04, 0, 16, 4, /* IPR08 */ { CMT0, CMT1, BSC, WDT } },
 115        { 0xfffe0c06, 0, 16, 4, /* IPR09 */ { MTU0_ABCD, MTU0_VEF,
 116                                              MTU1_AB, MTU1_VU } },
 117        { 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU2_AB, MTU2_VU,
 118                                              MTU3_ABCD, MTU2_TCI3V } },
 119        { 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU4_ABCD, MTU2_TCI4V,
 120                                              MTU5, POE2_12 } },
 121        { 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { MTU3S_ABCD, MTU2S_TCI3V,
 122                                              MTU4S_ABCD, MTU2S_TCI4V } },
 123        { 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { MTU5S, POE2_OEI3, IIC3, 0 } },
 124        { 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF0, SCIF1, SCIF2, SCIF3 } },
 125};
 126
 127static struct intc_mask_reg mask_registers[] __initdata = {
 128        { 0xfffe0808, 0, 16, /* PINTER */
 129          { 0, 0, 0, 0, 0, 0, 0, 0,
 130            PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
 131};
 132
 133static DECLARE_INTC_DESC(intc_desc, "sh7206", vectors, groups,
 134                         mask_registers, prio_registers, NULL);
 135
 136static struct plat_sci_port scif0_platform_data = {
 137        .scscr          = SCSCR_REIE,
 138        .type           = PORT_SCIF,
 139};
 140
 141static struct resource scif0_resources[] = {
 142        DEFINE_RES_MEM(0xfffe8000, 0x100),
 143        DEFINE_RES_IRQ(240),
 144};
 145
 146static struct platform_device scif0_device = {
 147        .name           = "sh-sci",
 148        .id             = 0,
 149        .resource       = scif0_resources,
 150        .num_resources  = ARRAY_SIZE(scif0_resources),
 151        .dev            = {
 152                .platform_data  = &scif0_platform_data,
 153        },
 154};
 155
 156static struct plat_sci_port scif1_platform_data = {
 157        .scscr          = SCSCR_REIE,
 158        .type           = PORT_SCIF,
 159};
 160
 161static struct resource scif1_resources[] = {
 162        DEFINE_RES_MEM(0xfffe8800, 0x100),
 163        DEFINE_RES_IRQ(244),
 164};
 165
 166static struct platform_device scif1_device = {
 167        .name           = "sh-sci",
 168        .id             = 1,
 169        .resource       = scif1_resources,
 170        .num_resources  = ARRAY_SIZE(scif1_resources),
 171        .dev            = {
 172                .platform_data  = &scif1_platform_data,
 173        },
 174};
 175
 176static struct plat_sci_port scif2_platform_data = {
 177        .scscr          = SCSCR_REIE,
 178        .type           = PORT_SCIF,
 179};
 180
 181static struct resource scif2_resources[] = {
 182        DEFINE_RES_MEM(0xfffe9000, 0x100),
 183        DEFINE_RES_IRQ(248),
 184};
 185
 186static struct platform_device scif2_device = {
 187        .name           = "sh-sci",
 188        .id             = 2,
 189        .resource       = scif2_resources,
 190        .num_resources  = ARRAY_SIZE(scif2_resources),
 191        .dev            = {
 192                .platform_data  = &scif2_platform_data,
 193        },
 194};
 195
 196static struct plat_sci_port scif3_platform_data = {
 197        .scscr          = SCSCR_REIE,
 198        .type           = PORT_SCIF,
 199};
 200
 201static struct resource scif3_resources[] = {
 202        DEFINE_RES_MEM(0xfffe9800, 0x100),
 203        DEFINE_RES_IRQ(252),
 204};
 205
 206static struct platform_device scif3_device = {
 207        .name           = "sh-sci",
 208        .id             = 3,
 209        .resource       = scif3_resources,
 210        .num_resources  = ARRAY_SIZE(scif3_resources),
 211        .dev            = {
 212                .platform_data  = &scif3_platform_data,
 213        },
 214};
 215
 216static struct sh_timer_config cmt_platform_data = {
 217        .channels_mask = 3,
 218};
 219
 220static struct resource cmt_resources[] = {
 221        DEFINE_RES_MEM(0xfffec000, 0x10),
 222        DEFINE_RES_IRQ(140),
 223        DEFINE_RES_IRQ(144),
 224};
 225
 226static struct platform_device cmt_device = {
 227        .name           = "sh-cmt-16",
 228        .id             = 0,
 229        .dev = {
 230                .platform_data  = &cmt_platform_data,
 231        },
 232        .resource       = cmt_resources,
 233        .num_resources  = ARRAY_SIZE(cmt_resources),
 234};
 235
 236static struct resource mtu2_resources[] = {
 237        DEFINE_RES_MEM(0xfffe4000, 0x400),
 238        DEFINE_RES_IRQ_NAMED(156, "tgi0a"),
 239        DEFINE_RES_IRQ_NAMED(164, "tgi1a"),
 240        DEFINE_RES_IRQ_NAMED(180, "tgi2a"),
 241};
 242
 243static struct platform_device mtu2_device = {
 244        .name           = "sh-mtu2s",
 245        .id             = -1,
 246        .resource       = mtu2_resources,
 247        .num_resources  = ARRAY_SIZE(mtu2_resources),
 248};
 249
 250static struct platform_device *sh7206_devices[] __initdata = {
 251        &scif0_device,
 252        &scif1_device,
 253        &scif2_device,
 254        &scif3_device,
 255        &cmt_device,
 256        &mtu2_device,
 257};
 258
 259static int __init sh7206_devices_setup(void)
 260{
 261        return platform_add_devices(sh7206_devices,
 262                                    ARRAY_SIZE(sh7206_devices));
 263}
 264arch_initcall(sh7206_devices_setup);
 265
 266void __init plat_irq_setup(void)
 267{
 268        register_intc_controller(&intc_desc);
 269}
 270
 271static struct platform_device *sh7206_early_devices[] __initdata = {
 272        &scif0_device,
 273        &scif1_device,
 274        &scif2_device,
 275        &scif3_device,
 276        &cmt_device,
 277        &mtu2_device,
 278};
 279
 280#define STBCR3 0xfffe0408
 281#define STBCR4 0xfffe040c
 282
 283void __init plat_early_device_setup(void)
 284{
 285        /* enable CMT clock */
 286        __raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
 287
 288        /* enable MTU2 clock */
 289        __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
 290
 291        early_platform_add_devices(sh7206_early_devices,
 292                                   ARRAY_SIZE(sh7206_early_devices));
 293}
 294