release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sh/kernel/cpu/sh2a/setup-sh7203.c

   1 /*
   2  * SH7203 and SH7263 Setup
   3  *
   4  *  Copyright (C) 2007 - 2009  Paul Mundt
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #include <linux/platform_device.h>
  11 #include <linux/init.h>
  12 #include <linux/serial.h>
  13 #include <linux/serial_sci.h>
  14 #include <linux/sh_timer.h>
  15 #include <linux/io.h>
  16
  17 enum {
  18         UNUSED = 0,
  19
  20         /* interrupt sources */
  21         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
  22         PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
  23         DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7,
  24         USB, LCDC, CMT0, CMT1, BSC, WDT,
  25
  26         MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU,
  27         MTU3_ABCD, MTU4_ABCD, MTU2_TCI3V, MTU2_TCI4V,
  28
  29         ADC_ADI,
  30
  31         IIC30, IIC31, IIC32, IIC33,
  32         SCIF0, SCIF1, SCIF2, SCIF3,
  33
  34         SSU0, SSU1,
  35
  36         SSI0_SSII, SSI1_SSII, SSI2_SSII, SSI3_SSII,
  37
  38         /* ROM-DEC, SDHI, SRC, and IEB are SH7263 specific */
  39         ROMDEC, FLCTL, SDHI, RTC, RCAN0, RCAN1,
  40         SRC, IEBI,
  41
  42         /* interrupt groups */
  43         PINT,
  44 };
  45
  46 static struct intc_vect vectors[] __initdata = {
  47         INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
  48         INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
  49         INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
  50         INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
  51         INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
  52         INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
  53         INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
  54         INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
  55         INTC_IRQ(DMAC0, 108), INTC_IRQ(DMAC0, 109),
  56         INTC_IRQ(DMAC1, 112), INTC_IRQ(DMAC1, 113),
  57         INTC_IRQ(DMAC2, 116), INTC_IRQ(DMAC2, 117),
  58         INTC_IRQ(DMAC3, 120), INTC_IRQ(DMAC3, 121),
  59         INTC_IRQ(DMAC4, 124), INTC_IRQ(DMAC4, 125),
  60         INTC_IRQ(DMAC5, 128), INTC_IRQ(DMAC5, 129),
  61         INTC_IRQ(DMAC6, 132), INTC_IRQ(DMAC6, 133),
  62         INTC_IRQ(DMAC7, 136), INTC_IRQ(DMAC7, 137),
  63         INTC_IRQ(USB, 140), INTC_IRQ(LCDC, 141),
  64         INTC_IRQ(CMT0, 142), INTC_IRQ(CMT1, 143),
  65         INTC_IRQ(BSC, 144), INTC_IRQ(WDT, 145),
  66         INTC_IRQ(MTU0_ABCD, 146), INTC_IRQ(MTU0_ABCD, 147),
  67         INTC_IRQ(MTU0_ABCD, 148), INTC_IRQ(MTU0_ABCD, 149),
  68         INTC_IRQ(MTU0_VEF, 150),
  69         INTC_IRQ(MTU0_VEF, 151), INTC_IRQ(MTU0_VEF, 152),
  70         INTC_IRQ(MTU1_AB, 153), INTC_IRQ(MTU1_AB, 154),
  71         INTC_IRQ(MTU1_VU, 155), INTC_IRQ(MTU1_VU, 156),
  72         INTC_IRQ(MTU2_AB, 157), INTC_IRQ(MTU2_AB, 158),
  73         INTC_IRQ(MTU2_VU, 159), INTC_IRQ(MTU2_VU, 160),
  74         INTC_IRQ(MTU3_ABCD, 161), INTC_IRQ(MTU3_ABCD, 162),
  75         INTC_IRQ(MTU3_ABCD, 163), INTC_IRQ(MTU3_ABCD, 164),
  76         INTC_IRQ(MTU2_TCI3V, 165),
  77         INTC_IRQ(MTU4_ABCD, 166), INTC_IRQ(MTU4_ABCD, 167),
  78         INTC_IRQ(MTU4_ABCD, 168), INTC_IRQ(MTU4_ABCD, 169),
  79         INTC_IRQ(MTU2_TCI4V, 170),
  80         INTC_IRQ(ADC_ADI, 171),
  81         INTC_IRQ(IIC30, 172), INTC_IRQ(IIC30, 173),
  82         INTC_IRQ(IIC30, 174), INTC_IRQ(IIC30, 175),
  83         INTC_IRQ(IIC30, 176),
  84         INTC_IRQ(IIC31, 177), INTC_IRQ(IIC31, 178),
  85         INTC_IRQ(IIC31, 179), INTC_IRQ(IIC31, 180),
  86         INTC_IRQ(IIC31, 181),
  87         INTC_IRQ(IIC32, 182), INTC_IRQ(IIC32, 183),
  88         INTC_IRQ(IIC32, 184), INTC_IRQ(IIC32, 185),
  89         INTC_IRQ(IIC32, 186),
  90         INTC_IRQ(IIC33, 187), INTC_IRQ(IIC33, 188),
  91         INTC_IRQ(IIC33, 189), INTC_IRQ(IIC33, 190),
  92         INTC_IRQ(IIC33, 191),
  93         INTC_IRQ(SCIF0, 192), INTC_IRQ(SCIF0, 193),
  94         INTC_IRQ(SCIF0, 194), INTC_IRQ(SCIF0, 195),
  95         INTC_IRQ(SCIF1, 196), INTC_IRQ(SCIF1, 197),
  96         INTC_IRQ(SCIF1, 198), INTC_IRQ(SCIF1, 199),
  97         INTC_IRQ(SCIF2, 200), INTC_IRQ(SCIF2, 201),
  98         INTC_IRQ(SCIF2, 202), INTC_IRQ(SCIF2, 203),
  99         INTC_IRQ(SCIF3, 204), INTC_IRQ(SCIF3, 205),
 100         INTC_IRQ(SCIF3, 206), INTC_IRQ(SCIF3, 207),
 101         INTC_IRQ(SSU0, 208), INTC_IRQ(SSU0, 209),
 102         INTC_IRQ(SSU0, 210),
 103         INTC_IRQ(SSU1, 211), INTC_IRQ(SSU1, 212),
 104         INTC_IRQ(SSU1, 213),
 105         INTC_IRQ(SSI0_SSII, 214), INTC_IRQ(SSI1_SSII, 215),
 106         INTC_IRQ(SSI2_SSII, 216), INTC_IRQ(SSI3_SSII, 217),
 107         INTC_IRQ(FLCTL, 224), INTC_IRQ(FLCTL, 225),
 108         INTC_IRQ(FLCTL, 226), INTC_IRQ(FLCTL, 227),
 109         INTC_IRQ(RTC, 231), INTC_IRQ(RTC, 232),
 110         INTC_IRQ(RTC, 233),
 111         INTC_IRQ(RCAN0, 234), INTC_IRQ(RCAN0, 235),
 112         INTC_IRQ(RCAN0, 236), INTC_IRQ(RCAN0, 237),
 113         INTC_IRQ(RCAN0, 238),
 114         INTC_IRQ(RCAN1, 239), INTC_IRQ(RCAN1, 240),
 115         INTC_IRQ(RCAN1, 241), INTC_IRQ(RCAN1, 242),
 116         INTC_IRQ(RCAN1, 243),
 117
 118         /* SH7263-specific trash */
 119 #ifdef CONFIG_CPU_SUBTYPE_SH7263
 120         INTC_IRQ(ROMDEC, 218), INTC_IRQ(ROMDEC, 219),
 121         INTC_IRQ(ROMDEC, 220), INTC_IRQ(ROMDEC, 221),
 122         INTC_IRQ(ROMDEC, 222), INTC_IRQ(ROMDEC, 223),
 123
 124         INTC_IRQ(SDHI, 228), INTC_IRQ(SDHI, 229),
 125         INTC_IRQ(SDHI, 230),
 126
 127         INTC_IRQ(SRC, 244), INTC_IRQ(SRC, 245),
 128         INTC_IRQ(SRC, 246),
 129
 130         INTC_IRQ(IEBI, 247),
 131 #endif
 132 };
 133
 134 static struct intc_group groups[] __initdata = {
 135         INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
 136                    PINT4, PINT5, PINT6, PINT7),
 137 };
 138
 139 static struct intc_prio_reg prio_registers[] __initdata = {
 140         { 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
 141         { 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
 142         { 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
 143         { 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
 144         { 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } },
 145         { 0xfffe0c04, 0, 16, 4, /* IPR08 */ { USB, LCDC, CMT0, CMT1 } },
 146         { 0xfffe0c06, 0, 16, 4, /* IPR09 */ { BSC, WDT, MTU0_ABCD, MTU0_VEF } },
 147         { 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU1_AB, MTU1_VU, MTU2_AB,
 148                                               MTU2_VU } },
 149         { 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU3_ABCD, MTU2_TCI3V, MTU4_ABCD,
 150                                               MTU2_TCI4V } },
 151         { 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { ADC_ADI, IIC30, IIC31, IIC32 } },
 152         { 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { IIC33, SCIF0, SCIF1, SCIF2 } },
 153         { 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF3, SSU0, SSU1, SSI0_SSII } },
 154 #ifdef CONFIG_CPU_SUBTYPE_SH7203
 155         { 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
 156                                               SSI3_SSII, 0 } },
 157         { 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, 0, RTC, RCAN0 } },
 158         { 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, 0, 0, 0 } },
 159 #else
 160         { 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
 161                                               SSI3_SSII, ROMDEC } },
 162         { 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, SDHI, RTC, RCAN0 } },
 163         { 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, SRC, IEBI, 0 } },
 164 #endif
 165 };
 166
 167 static struct intc_mask_reg mask_registers[] __initdata = {
 168         { 0xfffe0808, 0, 16, /* PINTER */
 169           { 0, 0, 0, 0, 0, 0, 0, 0,
 170             PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
 171 };
 172
 173 static DECLARE_INTC_DESC(intc_desc, "sh7203", vectors, groups,
 174                          mask_registers, prio_registers, NULL);
 175
 176 static struct plat_sci_port scif0_platform_data = {
 177         .mapbase        = 0xfffe8000,
 178         .flags          = UPF_BOOT_AUTOCONF,
 179         .type           = PORT_SCIF,
 180         .irqs           =  { 192, 192, 192, 192 },
 181 };
 182
 183 static struct platform_device scif0_device = {
 184         .name           = "sh-sci",
 185         .id             = 0,
 186         .dev            = {
 187                 .platform_data  = &scif0_platform_data,
 188         },
 189 };
 190
 191 static struct plat_sci_port scif1_platform_data = {
 192         .mapbase        = 0xfffe8800,
 193         .flags          = UPF_BOOT_AUTOCONF,
 194         .type           = PORT_SCIF,
 195         .irqs           =  { 196, 196, 196, 196 },
 196 };
 197
 198 static struct platform_device scif1_device = {
 199         .name           = "sh-sci",
 200         .id             = 1,
 201         .dev            = {
 202                 .platform_data  = &scif1_platform_data,
 203         },
 204 };
 205
 206 static struct plat_sci_port scif2_platform_data = {
 207         .mapbase        = 0xfffe9000,
 208         .flags          = UPF_BOOT_AUTOCONF,
 209         .type           = PORT_SCIF,
 210         .irqs           =  { 200, 200, 200, 200 },
 211 };
 212
 213 static struct platform_device scif2_device = {
 214         .name           = "sh-sci",
 215         .id             = 2,
 216         .dev            = {
 217                 .platform_data  = &scif2_platform_data,
 218         },
 219 };
 220
 221 static struct plat_sci_port scif3_platform_data = {
 222         .mapbase        = 0xfffe9800,
 223         .flags          = UPF_BOOT_AUTOCONF,
 224         .type           = PORT_SCIF,
 225         .irqs           =  { 204, 204, 204, 204 },
 226 };
 227
 228 static struct platform_device scif3_device = {
 229         .name           = "sh-sci",
 230         .id             = 3,
 231         .dev            = {
 232                 .platform_data  = &scif3_platform_data,
 233         },
 234 };
 235
 236 static struct sh_timer_config cmt0_platform_data = {
 237         .channel_offset = 0x02,
 238         .timer_bit = 0,
 239         .clockevent_rating = 125,
 240         .clocksource_rating = 0, /* disabled due to code generation issues */
 241 };
 242
 243 static struct resource cmt0_resources[] = {
 244         [0] = {
 245                 .start  = 0xfffec002,
 246                 .end    = 0xfffec007,
 247                 .flags  = IORESOURCE_MEM,
 248         },
 249         [1] = {
 250                 .start  = 142,
 251                 .flags  = IORESOURCE_IRQ,
 252         },
 253 };
 254
 255 static struct platform_device cmt0_device = {
 256         .name           = "sh_cmt",
 257         .id             = 0,
 258         .dev = {
 259                 .platform_data  = &cmt0_platform_data,
 260         },
 261         .resource       = cmt0_resources,
 262         .num_resources  = ARRAY_SIZE(cmt0_resources),
 263 };
 264
 265 static struct sh_timer_config cmt1_platform_data = {
 266         .channel_offset = 0x08,
 267         .timer_bit = 1,
 268         .clockevent_rating = 125,
 269         .clocksource_rating = 0, /* disabled due to code generation issues */
 270 };
 271
 272 static struct resource cmt1_resources[] = {
 273         [0] = {
 274                 .start  = 0xfffec008,
 275                 .end    = 0xfffec00d,
 276                 .flags  = IORESOURCE_MEM,
 277         },
 278         [1] = {
 279                 .start  = 143,
 280                 .flags  = IORESOURCE_IRQ,
 281         },
 282 };
 283
 284 static struct platform_device cmt1_device = {
 285         .name           = "sh_cmt",
 286         .id             = 1,
 287         .dev = {
 288                 .platform_data  = &cmt1_platform_data,
 289         },
 290         .resource       = cmt1_resources,
 291         .num_resources  = ARRAY_SIZE(cmt1_resources),
 292 };
 293
 294 static struct sh_timer_config mtu2_0_platform_data = {
 295         .channel_offset = -0x80,
 296         .timer_bit = 0,
 297         .clockevent_rating = 200,
 298 };
 299
 300 static struct resource mtu2_0_resources[] = {
 301         [0] = {
 302                 .start  = 0xfffe4300,
 303                 .end    = 0xfffe4326,
 304                 .flags  = IORESOURCE_MEM,
 305         },
 306         [1] = {
 307                 .start  = 146,
 308                 .flags  = IORESOURCE_IRQ,
 309         },
 310 };
 311
 312 static struct platform_device mtu2_0_device = {
 313         .name           = "sh_mtu2",
 314         .id             = 0,
 315         .dev = {
 316                 .platform_data  = &mtu2_0_platform_data,
 317         },
 318         .resource       = mtu2_0_resources,
 319         .num_resources  = ARRAY_SIZE(mtu2_0_resources),
 320 };
 321
 322 static struct sh_timer_config mtu2_1_platform_data = {
 323         .channel_offset = -0x100,
 324         .timer_bit = 1,
 325         .clockevent_rating = 200,
 326 };
 327
 328 static struct resource mtu2_1_resources[] = {
 329         [0] = {
 330                 .start  = 0xfffe4380,
 331                 .end    = 0xfffe4390,
 332                 .flags  = IORESOURCE_MEM,
 333         },
 334         [1] = {
 335                 .start  = 153,
 336                 .flags  = IORESOURCE_IRQ,
 337         },
 338 };
 339
 340 static struct platform_device mtu2_1_device = {
 341         .name           = "sh_mtu2",
 342         .id             = 1,
 343         .dev = {
 344                 .platform_data  = &mtu2_1_platform_data,
 345         },
 346         .resource       = mtu2_1_resources,
 347         .num_resources  = ARRAY_SIZE(mtu2_1_resources),
 348 };
 349
 350 static struct resource rtc_resources[] = {
 351         [0] = {
 352                 .start  = 0xffff2000,
 353                 .end    = 0xffff2000 + 0x58 - 1,
 354                 .flags  = IORESOURCE_IO,
 355         },
 356         [1] = {
 357                 /* Shared Period/Carry/Alarm IRQ */
 358                 .start  = 231,
 359                 .flags  = IORESOURCE_IRQ,
 360         },
 361 };
 362
 363 static struct platform_device rtc_device = {
 364         .name           = "sh-rtc",
 365         .id             = -1,
 366         .num_resources  = ARRAY_SIZE(rtc_resources),
 367         .resource       = rtc_resources,
 368 };
 369
 370 static struct platform_device *sh7203_devices[] __initdata = {
 371         &scif0_device,
 372         &scif1_device,
 373         &scif2_device,
 374         &scif3_device,
 375         &cmt0_device,
 376         &cmt1_device,
 377         &mtu2_0_device,
 378         &mtu2_1_device,
 379         &rtc_device,
 380 };
 381
 382 static int __init sh7203_devices_setup(void)
 383 {
 384         return platform_add_devices(sh7203_devices,
 385                                     ARRAY_SIZE(sh7203_devices));
 386 }
 387 arch_initcall(sh7203_devices_setup);
 388
 389 void __init plat_irq_setup(void)
 390 {
 391         register_intc_controller(&intc_desc);
 392 }
 393
 394 static struct platform_device *sh7203_early_devices[] __initdata = {
 395         &scif0_device,
 396         &scif1_device,
 397         &scif2_device,
 398         &scif3_device,
 399         &cmt0_device,
 400         &cmt1_device,
 401         &mtu2_0_device,
 402         &mtu2_1_device,
 403 };
 404
 405 #define STBCR3 0xfffe0408
 406 #define STBCR4 0xfffe040c
 407
 408 void __init plat_early_device_setup(void)
 409 {
 410         /* enable CMT clock */
 411         __raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
 412
 413         /* enable MTU2 clock */
 414         __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
 415
 416         early_platform_add_devices(sh7203_early_devices,
 417                                    ARRAY_SIZE(sh7203_early_devices));
 418 }