arch/sh/kernel/cpu/sh4a/setup-sh7763.c

   1 /*
   2  * SH7763 Setup
   3  *
   4  *  Copyright (C) 2006  Paul Mundt
   5  *  Copyright (C) 2007  Yoshihiro Shimoda
   6  *  Copyright (C) 2008, 2009  Nobuhiro Iwamatsu
   7  *
   8  * This file is subject to the terms and conditions of the GNU General Public
   9  * License.  See the file "COPYING" in the main directory of this archive
  10  * for more details.
  11  */
  12 #include <linux/platform_device.h>
  13 #include <linux/init.h>
  14 #include <linux/serial.h>
  15 #include <linux/sh_timer.h>
  16 #include <linux/io.h>
  17 #include <linux/serial_sci.h>
  18
  19 static struct resource rtc_resources[] = {
  20         [0] = {
  21                 .start  = 0xffe80000,
  22                 .end    = 0xffe80000 + 0x58 - 1,
  23                 .flags  = IORESOURCE_IO,
  24         },
  25         [1] = {
  26                 /* Shared Period/Carry/Alarm IRQ */
  27                 .start  = 20,
  28                 .flags  = IORESOURCE_IRQ,
  29         },
  30 };
  31
  32 static struct platform_device rtc_device = {
  33         .name           = "sh-rtc",
  34         .id             = -1,
  35         .num_resources  = ARRAY_SIZE(rtc_resources),
  36         .resource       = rtc_resources,
  37 };
  38
  39 static struct plat_sci_port sci_platform_data[] = {
  40         {
  41                 .mapbase        = 0xffe00000,
  42                 .flags          = UPF_BOOT_AUTOCONF,
  43                 .type           = PORT_SCIF,
  44                 .irqs           = { 40, 40, 40, 40 },
  45         }, {
  46                 .mapbase        = 0xffe08000,
  47                 .flags          = UPF_BOOT_AUTOCONF,
  48                 .type           = PORT_SCIF,
  49                 .irqs           = { 76, 76, 76, 76 },
  50         }, {
  51                 .mapbase        = 0xffe10000,
  52                 .flags          = UPF_BOOT_AUTOCONF,
  53                 .type           = PORT_SCIF,
  54                 .irqs           = { 104, 104, 104, 104 },
  55         }, {
  56                 .flags = 0,
  57         }
  58 };
  59
  60 static struct platform_device sci_device = {
  61         .name           = "sh-sci",
  62         .id             = -1,
  63         .dev            = {
  64                 .platform_data  = sci_platform_data,
  65         },
  66 };
  67
  68 static struct resource usb_ohci_resources[] = {
  69         [0] = {
  70                 .start  = 0xffec8000,
  71                 .end    = 0xffec80ff,
  72                 .flags  = IORESOURCE_MEM,
  73         },
  74         [1] = {
  75                 .start  = 83,
  76                 .end    = 83,
  77                 .flags  = IORESOURCE_IRQ,
  78         },
  79 };
  80
  81 static u64 usb_ohci_dma_mask = 0xffffffffUL;
  82 static struct platform_device usb_ohci_device = {
  83         .name           = "sh_ohci",
  84         .id             = -1,
  85         .dev = {
  86                 .dma_mask               = &usb_ohci_dma_mask,
  87                 .coherent_dma_mask      = 0xffffffff,
  88         },
  89         .num_resources  = ARRAY_SIZE(usb_ohci_resources),
  90         .resource       = usb_ohci_resources,
  91 };
  92
  93 static struct resource usbf_resources[] = {
  94         [0] = {
  95                 .start  = 0xffec0000,
  96                 .end    = 0xffec00ff,
  97                 .flags  = IORESOURCE_MEM,
  98         },
  99         [1] = {
 100                 .start  = 84,
 101                 .end    = 84,
 102                 .flags  = IORESOURCE_IRQ,
 103         },
 104 };
 105
 106 static struct platform_device usbf_device = {
 107         .name           = "sh_udc",
 108         .id             = -1,
 109         .dev = {
 110                 .dma_mask               = NULL,
 111                 .coherent_dma_mask      = 0xffffffff,
 112         },
 113         .num_resources  = ARRAY_SIZE(usbf_resources),
 114         .resource       = usbf_resources,
 115 };
 116
 117 static struct sh_timer_config tmu0_platform_data = {
 118         .name = "TMU0",
 119         .channel_offset = 0x04,
 120         .timer_bit = 0,
 121         .clk = "peripheral_clk",
 122         .clockevent_rating = 200,
 123 };
 124
 125 static struct resource tmu0_resources[] = {
 126         [0] = {
 127                 .name   = "TMU0",
 128                 .start  = 0xffd80008,
 129                 .end    = 0xffd80013,
 130                 .flags  = IORESOURCE_MEM,
 131         },
 132         [1] = {
 133                 .start  = 28,
 134                 .flags  = IORESOURCE_IRQ,
 135         },
 136 };
 137
 138 static struct platform_device tmu0_device = {
 139         .name           = "sh_tmu",
 140         .id             = 0,
 141         .dev = {
 142                 .platform_data  = &tmu0_platform_data,
 143         },
 144         .resource       = tmu0_resources,
 145         .num_resources  = ARRAY_SIZE(tmu0_resources),
 146 };
 147
 148 static struct sh_timer_config tmu1_platform_data = {
 149         .name = "TMU1",
 150         .channel_offset = 0x10,
 151         .timer_bit = 1,
 152         .clk = "peripheral_clk",
 153         .clocksource_rating = 200,
 154 };
 155
 156 static struct resource tmu1_resources[] = {
 157         [0] = {
 158                 .name   = "TMU1",
 159                 .start  = 0xffd80014,
 160                 .end    = 0xffd8001f,
 161                 .flags  = IORESOURCE_MEM,
 162         },
 163         [1] = {
 164                 .start  = 29,
 165                 .flags  = IORESOURCE_IRQ,
 166         },
 167 };
 168
 169 static struct platform_device tmu1_device = {
 170         .name           = "sh_tmu",
 171         .id             = 1,
 172         .dev = {
 173                 .platform_data  = &tmu1_platform_data,
 174         },
 175         .resource       = tmu1_resources,
 176         .num_resources  = ARRAY_SIZE(tmu1_resources),
 177 };
 178
 179 static struct sh_timer_config tmu2_platform_data = {
 180         .name = "TMU2",
 181         .channel_offset = 0x1c,
 182         .timer_bit = 2,
 183         .clk = "peripheral_clk",
 184 };
 185
 186 static struct resource tmu2_resources[] = {
 187         [0] = {
 188                 .name   = "TMU2",
 189                 .start  = 0xffd80020,
 190                 .end    = 0xffd8002f,
 191                 .flags  = IORESOURCE_MEM,
 192         },
 193         [1] = {
 194                 .start  = 30,
 195                 .flags  = IORESOURCE_IRQ,
 196         },
 197 };
 198
 199 static struct platform_device tmu2_device = {
 200         .name           = "sh_tmu",
 201         .id             = 2,
 202         .dev = {
 203                 .platform_data  = &tmu2_platform_data,
 204         },
 205         .resource       = tmu2_resources,
 206         .num_resources  = ARRAY_SIZE(tmu2_resources),
 207 };
 208
 209 static struct sh_timer_config tmu3_platform_data = {
 210         .name = "TMU3",
 211         .channel_offset = 0x04,
 212         .timer_bit = 0,
 213         .clk = "peripheral_clk",
 214 };
 215
 216 static struct resource tmu3_resources[] = {
 217         [0] = {
 218                 .name   = "TMU3",
 219                 .start  = 0xffd88008,
 220                 .end    = 0xffd88013,
 221                 .flags  = IORESOURCE_MEM,
 222         },
 223         [1] = {
 224                 .start  = 96,
 225                 .flags  = IORESOURCE_IRQ,
 226         },
 227 };
 228
 229 static struct platform_device tmu3_device = {
 230         .name           = "sh_tmu",
 231         .id             = 3,
 232         .dev = {
 233                 .platform_data  = &tmu3_platform_data,
 234         },
 235         .resource       = tmu3_resources,
 236         .num_resources  = ARRAY_SIZE(tmu3_resources),
 237 };
 238
 239 static struct sh_timer_config tmu4_platform_data = {
 240         .name = "TMU4",
 241         .channel_offset = 0x10,
 242         .timer_bit = 1,
 243         .clk = "peripheral_clk",
 244 };
 245
 246 static struct resource tmu4_resources[] = {
 247         [0] = {
 248                 .name   = "TMU4",
 249                 .start  = 0xffd88014,
 250                 .end    = 0xffd8801f,
 251                 .flags  = IORESOURCE_MEM,
 252         },
 253         [1] = {
 254                 .start  = 97,
 255                 .flags  = IORESOURCE_IRQ,
 256         },
 257 };
 258
 259 static struct platform_device tmu4_device = {
 260         .name           = "sh_tmu",
 261         .id             = 4,
 262         .dev = {
 263                 .platform_data  = &tmu4_platform_data,
 264         },
 265         .resource       = tmu4_resources,
 266         .num_resources  = ARRAY_SIZE(tmu4_resources),
 267 };
 268
 269 static struct sh_timer_config tmu5_platform_data = {
 270         .name = "TMU5",
 271         .channel_offset = 0x1c,
 272         .timer_bit = 2,
 273         .clk = "peripheral_clk",
 274 };
 275
 276 static struct resource tmu5_resources[] = {
 277         [0] = {
 278                 .name   = "TMU5",
 279                 .start  = 0xffd88020,
 280                 .end    = 0xffd8802b,
 281                 .flags  = IORESOURCE_MEM,
 282         },
 283         [1] = {
 284                 .start  = 98,
 285                 .flags  = IORESOURCE_IRQ,
 286         },
 287 };
 288
 289 static struct platform_device tmu5_device = {
 290         .name           = "sh_tmu",
 291         .id             = 5,
 292         .dev = {
 293                 .platform_data  = &tmu5_platform_data,
 294         },
 295         .resource       = tmu5_resources,
 296         .num_resources  = ARRAY_SIZE(tmu5_resources),
 297 };
 298
 299 static struct platform_device *sh7763_devices[] __initdata = {
 300         &tmu0_device,
 301         &tmu1_device,
 302         &tmu2_device,
 303         &tmu3_device,
 304         &tmu4_device,
 305         &tmu5_device,
 306         &rtc_device,
 307         &sci_device,
 308         &usb_ohci_device,
 309         &usbf_device,
 310 };
 311
 312 static int __init sh7763_devices_setup(void)
 313 {
 314         return platform_add_devices(sh7763_devices,
 315                                     ARRAY_SIZE(sh7763_devices));
 316 }
 317 arch_initcall(sh7763_devices_setup);
 318
 319 static struct platform_device *sh7763_early_devices[] __initdata = {
 320         &tmu0_device,
 321         &tmu1_device,
 322         &tmu2_device,
 323         &tmu3_device,
 324         &tmu4_device,
 325         &tmu5_device,
 326 };
 327
 328 void __init plat_early_device_setup(void)
 329 {
 330         early_platform_add_devices(sh7763_early_devices,
 331                                    ARRAY_SIZE(sh7763_early_devices));
 332 }
 333
 334 enum {
 335         UNUSED = 0,
 336
 337         /* interrupt sources */
 338
 339         IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
 340         IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
 341         IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
 342         IRL_HHLL, IRL_HHLH, IRL_HHHL,
 343
 344         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
 345         RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
 346         HUDI, LCDC, DMAC, SCIF0, IIC0, IIC1, CMT, GETHER, HAC,
 347         PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
 348         STIF0, STIF1, SCIF1, SIOF0, SIOF1, SIOF2,
 349         USBH, USBF, TPU, PCC, MMCIF, SIM,
 350         TMU3, TMU4, TMU5, ADC, SSI0, SSI1, SSI2, SSI3,
 351         SCIF2, GPIO,
 352
 353         /* interrupt groups */
 354
 355         TMU012, TMU345,
 356 };
 357
 358 static struct intc_vect vectors[] __initdata = {
 359         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
 360         INTC_VECT(RTC, 0x4c0),
 361         INTC_VECT(WDT, 0x560), INTC_VECT(TMU0, 0x580),
 362         INTC_VECT(TMU1, 0x5a0), INTC_VECT(TMU2, 0x5c0),
 363         INTC_VECT(TMU2_TICPI, 0x5e0), INTC_VECT(HUDI, 0x600),
 364         INTC_VECT(LCDC, 0x620),
 365         INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
 366         INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
 367         INTC_VECT(DMAC, 0x6c0),
 368         INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
 369         INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
 370         INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
 371         INTC_VECT(IIC0, 0x8A0), INTC_VECT(IIC1, 0x8C0),
 372         INTC_VECT(CMT, 0x900), INTC_VECT(GETHER, 0x920),
 373         INTC_VECT(GETHER, 0x940), INTC_VECT(GETHER, 0x960),
 374         INTC_VECT(HAC, 0x980),
 375         INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
 376         INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
 377         INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
 378         INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
 379         INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
 380         INTC_VECT(STIF0, 0xb40), INTC_VECT(STIF1, 0xb60),
 381         INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
 382         INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
 383         INTC_VECT(SIOF0, 0xc00), INTC_VECT(SIOF1, 0xc20),
 384         INTC_VECT(USBH, 0xc60), INTC_VECT(USBF, 0xc80),
 385         INTC_VECT(USBF, 0xca0),
 386         INTC_VECT(TPU, 0xcc0), INTC_VECT(PCC, 0xce0),
 387         INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
 388         INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
 389         INTC_VECT(SIM, 0xd80), INTC_VECT(SIM, 0xda0),
 390         INTC_VECT(SIM, 0xdc0), INTC_VECT(SIM, 0xde0),
 391         INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
 392         INTC_VECT(TMU5, 0xe40), INTC_VECT(ADC, 0xe60),
 393         INTC_VECT(SSI0, 0xe80), INTC_VECT(SSI1, 0xea0),
 394         INTC_VECT(SSI2, 0xec0), INTC_VECT(SSI3, 0xee0),
 395         INTC_VECT(SCIF2, 0xf00), INTC_VECT(SCIF2, 0xf20),
 396         INTC_VECT(SCIF2, 0xf40), INTC_VECT(SCIF2, 0xf60),
 397         INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
 398         INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
 399 };
 400
 401 static struct intc_group groups[] __initdata = {
 402         INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
 403         INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
 404 };
 405
 406 static struct intc_mask_reg mask_registers[] __initdata = {
 407         { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
 408           { 0, 0, 0, 0, 0, 0, GPIO, 0,
 409             SSI0, MMCIF, 0, SIOF0, PCIC5, PCIINTD, PCIINTC, PCIINTB,
 410             PCIINTA, PCISERR, HAC, CMT, 0, 0, 0, DMAC,
 411             HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
 412         { 0xffd400d0, 0xffd400d4, 32, /* INT2MSKR1 / INT2MSKCR1 */
 413           { 0, 0, 0, 0, 0, 0, SCIF2, USBF,
 414             0, 0, STIF1, STIF0, 0, 0, USBH, GETHER,
 415             PCC, 0, 0, ADC, TPU, SIM, SIOF2, SIOF1,
 416             LCDC, 0, IIC1, IIC0, SSI3, SSI2, SSI1, 0 } },
 417 };
 418
 419 static struct intc_prio_reg prio_registers[] __initdata = {
 420         { 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
 421                                                  TMU2, TMU2_TICPI } },
 422         { 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
 423         { 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
 424         { 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC, ADC } },
 425         { 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
 426                                                  PCISERR, PCIINTA } },
 427         { 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
 428                                                  PCIINTD, PCIC5 } },
 429         { 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF0, USBF, MMCIF, SSI0 } },
 430         { 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { SCIF2, GPIO } },
 431         { 0xffd400a0, 0, 32, 8, /* INT2PRI8 */ { SSI3, SSI2, SSI1, 0 } },
 432         { 0xffd400a4, 0, 32, 8, /* INT2PRI9 */ { LCDC, 0, IIC1, IIC0 } },
 433         { 0xffd400a8, 0, 32, 8, /* INT2PRI10 */ { TPU, SIM, SIOF2, SIOF1 } },
 434         { 0xffd400ac, 0, 32, 8, /* INT2PRI11 */ { PCC } },
 435         { 0xffd400b0, 0, 32, 8, /* INT2PRI12 */ { 0, 0, USBH, GETHER } },
 436         { 0xffd400b4, 0, 32, 8, /* INT2PRI13 */ { 0, 0, STIF1, STIF0 } },
 437 };
 438
 439 static DECLARE_INTC_DESC(intc_desc, "sh7763", vectors, groups,
 440                          mask_registers, prio_registers, NULL);
 441
 442 /* Support for external interrupt pins in IRQ mode */
 443 static struct intc_vect irq_vectors[] __initdata = {
 444         INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
 445         INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
 446         INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
 447         INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
 448 };
 449
 450 static struct intc_mask_reg irq_mask_registers[] __initdata = {
 451         { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
 452           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
 453 };
 454
 455 static struct intc_prio_reg irq_prio_registers[] __initdata = {
 456         { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
 457                                                IRQ4, IRQ5, IRQ6, IRQ7 } },
 458 };
 459
 460 static struct intc_sense_reg irq_sense_registers[] __initdata = {
 461         { 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
 462                                             IRQ4, IRQ5, IRQ6, IRQ7 } },
 463 };
 464
 465 static struct intc_mask_reg irq_ack_registers[] __initdata = {
 466         { 0xffd00024, 0, 32, /* INTREQ */
 467           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
 468 };
 469
 470 static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7763-irq", irq_vectors,
 471                              NULL, irq_mask_registers, irq_prio_registers,
 472                              irq_sense_registers, irq_ack_registers);
 473
 474
 475 /* External interrupt pins in IRL mode */
 476 static struct intc_vect irl_vectors[] __initdata = {
 477         INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
 478         INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
 479         INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
 480         INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
 481         INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
 482         INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
 483         INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
 484         INTC_VECT(IRL_HHHL, 0x3c0),
 485 };
 486
 487 static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
 488         { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
 489           { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
 490             IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
 491             IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
 492             IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
 493 };
 494
 495 static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
 496         { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
 497           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 498             IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
 499             IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
 500             IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
 501             IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
 502 };
 503
 504 static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7763-irl7654", irl_vectors,
 505                         NULL, irl7654_mask_registers, NULL, NULL);
 506
 507 static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7763-irl3210", irl_vectors,
 508                         NULL, irl3210_mask_registers, NULL, NULL);
 509
 510 #define INTC_ICR0       0xffd00000
 511 #define INTC_INTMSK0    0xffd00044
 512 #define INTC_INTMSK1    0xffd00048
 513 #define INTC_INTMSK2    0xffd40080
 514 #define INTC_INTMSKCLR1 0xffd00068
 515 #define INTC_INTMSKCLR2 0xffd40084
 516
 517 void __init plat_irq_setup(void)
 518 {
 519         /* disable IRQ7-0 */
 520         ctrl_outl(0xff000000, INTC_INTMSK0);
 521
 522         /* disable IRL3-0 + IRL7-4 */
 523         ctrl_outl(0xc0000000, INTC_INTMSK1);
 524         ctrl_outl(0xfffefffe, INTC_INTMSK2);
 525
 526         register_intc_controller(&intc_desc);
 527 }
 528
 529 void __init plat_irq_setup_pins(int mode)
 530 {
 531         switch (mode) {
 532         case IRQ_MODE_IRQ:
 533                 /* select IRQ mode for IRL3-0 + IRL7-4 */
 534                 ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
 535                 register_intc_controller(&intc_irq_desc);
 536                 break;
 537         case IRQ_MODE_IRL7654:
 538                 /* enable IRL7-4 but don't provide any masking */
 539                 ctrl_outl(0x40000000, INTC_INTMSKCLR1);
 540                 ctrl_outl(0x0000fffe, INTC_INTMSKCLR2);
 541                 break;
 542         case IRQ_MODE_IRL3210:
 543                 /* enable IRL0-3 but don't provide any masking */
 544                 ctrl_outl(0x80000000, INTC_INTMSKCLR1);
 545                 ctrl_outl(0xfffe0000, INTC_INTMSKCLR2);
 546                 break;
 547         case IRQ_MODE_IRL7654_MASK:
 548                 /* enable IRL7-4 and mask using cpu intc controller */
 549                 ctrl_outl(0x40000000, INTC_INTMSKCLR1);
 550                 register_intc_controller(&intc_irl7654_desc);
 551                 break;
 552         case IRQ_MODE_IRL3210_MASK:
 553                 /* enable IRL0-3 and mask using cpu intc controller */
 554                 ctrl_outl(0x80000000, INTC_INTMSKCLR1);
 555                 register_intc_controller(&intc_irl3210_desc);
 556                 break;
 557         default:
 558                 BUG();
 559         }
 560 }