kernel/arch/sh/kernel/cpu/sh4a/setup-sh7780.c

   1 /*
   2  * SH7780 Setup
   3  *
   4  *  Copyright (C) 2006  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/io.h>
  14 #include <linux/serial_sci.h>
  15 #include <linux/sh_dma.h>
  16 #include <linux/sh_timer.h>
  17 #include <linux/sh_intc.h>
  18 #include <cpu/dma-register.h>
  19
  20 static struct plat_sci_port scif0_platform_data = {
  21         .flags          = UPF_BOOT_AUTOCONF,
  22         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
  23         .type           = PORT_SCIF,
  24         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
  25 };
  26
  27 static struct resource scif0_resources[] = {
  28         DEFINE_RES_MEM(0xffe00000, 0x100),
  29         DEFINE_RES_IRQ(evt2irq(0x700)),
  30 };
  31
  32 static struct platform_device scif0_device = {
  33         .name           = "sh-sci",
  34         .id             = 0,
  35         .resource       = scif0_resources,
  36         .num_resources  = ARRAY_SIZE(scif0_resources),
  37         .dev            = {
  38                 .platform_data  = &scif0_platform_data,
  39         },
  40 };
  41
  42 static struct plat_sci_port scif1_platform_data = {
  43         .flags          = UPF_BOOT_AUTOCONF,
  44         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
  45         .type           = PORT_SCIF,
  46         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
  47 };
  48
  49 static struct resource scif1_resources[] = {
  50         DEFINE_RES_MEM(0xffe10000, 0x100),
  51         DEFINE_RES_IRQ(evt2irq(0xb80)),
  52 };
  53
  54 static struct platform_device scif1_device = {
  55         .name           = "sh-sci",
  56         .id             = 1,
  57         .resource       = scif1_resources,
  58         .num_resources  = ARRAY_SIZE(scif1_resources),
  59         .dev            = {
  60                 .platform_data  = &scif1_platform_data,
  61         },
  62 };
  63
  64 static struct sh_timer_config tmu0_platform_data = {
  65         .channels_mask = 7,
  66 };
  67
  68 static struct resource tmu0_resources[] = {
  69         DEFINE_RES_MEM(0xffd80000, 0x30),
  70         DEFINE_RES_IRQ(evt2irq(0x580)),
  71         DEFINE_RES_IRQ(evt2irq(0x5a0)),
  72         DEFINE_RES_IRQ(evt2irq(0x5c0)),
  73 };
  74
  75 static struct platform_device tmu0_device = {
  76         .name           = "sh-tmu",
  77         .id             = 0,
  78         .dev = {
  79                 .platform_data  = &tmu0_platform_data,
  80         },
  81         .resource       = tmu0_resources,
  82         .num_resources  = ARRAY_SIZE(tmu0_resources),
  83 };
  84
  85 static struct sh_timer_config tmu1_platform_data = {
  86         .channels_mask = 7,
  87 };
  88
  89 static struct resource tmu1_resources[] = {
  90         DEFINE_RES_MEM(0xffdc0000, 0x2c),
  91         DEFINE_RES_IRQ(evt2irq(0xe00)),
  92         DEFINE_RES_IRQ(evt2irq(0xe20)),
  93         DEFINE_RES_IRQ(evt2irq(0xe40)),
  94 };
  95
  96 static struct platform_device tmu1_device = {
  97         .name           = "sh-tmu",
  98         .id             = 1,
  99         .dev = {
 100                 .platform_data  = &tmu1_platform_data,
 101         },
 102         .resource       = tmu1_resources,
 103         .num_resources  = ARRAY_SIZE(tmu1_resources),
 104 };
 105
 106 static struct resource rtc_resources[] = {
 107         [0] = {
 108                 .start  = 0xffe80000,
 109                 .end    = 0xffe80000 + 0x58 - 1,
 110                 .flags  = IORESOURCE_IO,
 111         },
 112         [1] = {
 113                 /* Shared Period/Carry/Alarm IRQ */
 114                 .start  = evt2irq(0x480),
 115                 .flags  = IORESOURCE_IRQ,
 116         },
 117 };
 118
 119 static struct platform_device rtc_device = {
 120         .name           = "sh-rtc",
 121         .id             = -1,
 122         .num_resources  = ARRAY_SIZE(rtc_resources),
 123         .resource       = rtc_resources,
 124 };
 125
 126 /* DMA */
 127 static const struct sh_dmae_channel sh7780_dmae0_channels[] = {
 128         {
 129                 .offset = 0,
 130                 .dmars = 0,
 131                 .dmars_bit = 0,
 132         }, {
 133                 .offset = 0x10,
 134                 .dmars = 0,
 135                 .dmars_bit = 8,
 136         }, {
 137                 .offset = 0x20,
 138                 .dmars = 4,
 139                 .dmars_bit = 0,
 140         }, {
 141                 .offset = 0x30,
 142                 .dmars = 4,
 143                 .dmars_bit = 8,
 144         }, {
 145                 .offset = 0x50,
 146                 .dmars = 8,
 147                 .dmars_bit = 0,
 148         }, {
 149                 .offset = 0x60,
 150                 .dmars = 8,
 151                 .dmars_bit = 8,
 152         }
 153 };
 154
 155 static const struct sh_dmae_channel sh7780_dmae1_channels[] = {
 156         {
 157                 .offset = 0,
 158         }, {
 159                 .offset = 0x10,
 160         }, {
 161                 .offset = 0x20,
 162         }, {
 163                 .offset = 0x30,
 164         }, {
 165                 .offset = 0x50,
 166         }, {
 167                 .offset = 0x60,
 168         }
 169 };
 170
 171 static const unsigned int ts_shift[] = TS_SHIFT;
 172
 173 static struct sh_dmae_pdata dma0_platform_data = {
 174         .channel        = sh7780_dmae0_channels,
 175         .channel_num    = ARRAY_SIZE(sh7780_dmae0_channels),
 176         .ts_low_shift   = CHCR_TS_LOW_SHIFT,
 177         .ts_low_mask    = CHCR_TS_LOW_MASK,
 178         .ts_high_shift  = CHCR_TS_HIGH_SHIFT,
 179         .ts_high_mask   = CHCR_TS_HIGH_MASK,
 180         .ts_shift       = ts_shift,
 181         .ts_shift_num   = ARRAY_SIZE(ts_shift),
 182         .dmaor_init     = DMAOR_INIT,
 183 };
 184
 185 static struct sh_dmae_pdata dma1_platform_data = {
 186         .channel        = sh7780_dmae1_channels,
 187         .channel_num    = ARRAY_SIZE(sh7780_dmae1_channels),
 188         .ts_low_shift   = CHCR_TS_LOW_SHIFT,
 189         .ts_low_mask    = CHCR_TS_LOW_MASK,
 190         .ts_high_shift  = CHCR_TS_HIGH_SHIFT,
 191         .ts_high_mask   = CHCR_TS_HIGH_MASK,
 192         .ts_shift       = ts_shift,
 193         .ts_shift_num   = ARRAY_SIZE(ts_shift),
 194         .dmaor_init     = DMAOR_INIT,
 195 };
 196
 197 static struct resource sh7780_dmae0_resources[] = {
 198         [0] = {
 199                 /* Channel registers and DMAOR */
 200                 .start  = 0xfc808020,
 201                 .end    = 0xfc80808f,
 202                 .flags  = IORESOURCE_MEM,
 203         },
 204         [1] = {
 205                 /* DMARSx */
 206                 .start  = 0xfc809000,
 207                 .end    = 0xfc80900b,
 208                 .flags  = IORESOURCE_MEM,
 209         },
 210         {
 211                 /*
 212                  * Real DMA error vector is 0x6c0, and channel
 213                  * vectors are 0x640-0x6a0, 0x780-0x7a0
 214                  */
 215                 .name   = "error_irq",
 216                 .start  = evt2irq(0x640),
 217                 .end    = evt2irq(0x640),
 218                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
 219         },
 220 };
 221
 222 static struct resource sh7780_dmae1_resources[] = {
 223         [0] = {
 224                 /* Channel registers and DMAOR */
 225                 .start  = 0xfc818020,
 226                 .end    = 0xfc81808f,
 227                 .flags  = IORESOURCE_MEM,
 228         },
 229         /* DMAC1 has no DMARS */
 230         {
 231                 /*
 232                  * Real DMA error vector is 0x6c0, and channel
 233                  * vectors are 0x7c0-0x7e0, 0xd80-0xde0
 234                  */
 235                 .name   = "error_irq",
 236                 .start  = evt2irq(0x7c0),
 237                 .end    = evt2irq(0x7c0),
 238                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
 239         },
 240 };
 241
 242 static struct platform_device dma0_device = {
 243         .name           = "sh-dma-engine",
 244         .id             = 0,
 245         .resource       = sh7780_dmae0_resources,
 246         .num_resources  = ARRAY_SIZE(sh7780_dmae0_resources),
 247         .dev            = {
 248                 .platform_data  = &dma0_platform_data,
 249         },
 250 };
 251
 252 static struct platform_device dma1_device = {
 253         .name           = "sh-dma-engine",
 254         .id             = 1,
 255         .resource       = sh7780_dmae1_resources,
 256         .num_resources  = ARRAY_SIZE(sh7780_dmae1_resources),
 257         .dev            = {
 258                 .platform_data  = &dma1_platform_data,
 259         },
 260 };
 261
 262 static struct platform_device *sh7780_devices[] __initdata = {
 263         &scif0_device,
 264         &scif1_device,
 265         &tmu0_device,
 266         &tmu1_device,
 267         &rtc_device,
 268         &dma0_device,
 269         &dma1_device,
 270 };
 271
 272 static int __init sh7780_devices_setup(void)
 273 {
 274         return platform_add_devices(sh7780_devices,
 275                                     ARRAY_SIZE(sh7780_devices));
 276 }
 277 arch_initcall(sh7780_devices_setup);
 278
 279 static struct platform_device *sh7780_early_devices[] __initdata = {
 280         &scif0_device,
 281         &scif1_device,
 282         &tmu0_device,
 283         &tmu1_device,
 284 };
 285
 286 void __init plat_early_device_setup(void)
 287 {
 288         if (mach_is_sh2007()) {
 289                 scif0_platform_data.scscr &= ~SCSCR_CKE1;
 290                 scif1_platform_data.scscr &= ~SCSCR_CKE1;
 291         }
 292
 293         early_platform_add_devices(sh7780_early_devices,
 294                                    ARRAY_SIZE(sh7780_early_devices));
 295 }
 296
 297 enum {
 298         UNUSED = 0,
 299
 300         /* interrupt sources */
 301
 302         IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
 303         IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
 304         IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
 305         IRL_HHLL, IRL_HHLH, IRL_HHHL,
 306
 307         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
 308         RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
 309         HUDI, DMAC0, SCIF0, DMAC1, CMT, HAC,
 310         PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
 311         SCIF1, SIOF, HSPI, MMCIF, TMU3, TMU4, TMU5, SSI, FLCTL, GPIO,
 312
 313         /* interrupt groups */
 314
 315         TMU012, TMU345,
 316 };
 317
 318 static struct intc_vect vectors[] __initdata = {
 319         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
 320         INTC_VECT(RTC, 0x4c0),
 321         INTC_VECT(WDT, 0x560),
 322         INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0),
 323         INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0),
 324         INTC_VECT(HUDI, 0x600),
 325         INTC_VECT(DMAC0, 0x640), INTC_VECT(DMAC0, 0x660),
 326         INTC_VECT(DMAC0, 0x680), INTC_VECT(DMAC0, 0x6a0),
 327         INTC_VECT(DMAC0, 0x6c0),
 328         INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
 329         INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
 330         INTC_VECT(DMAC0, 0x780), INTC_VECT(DMAC0, 0x7a0),
 331         INTC_VECT(DMAC1, 0x7c0), INTC_VECT(DMAC1, 0x7e0),
 332         INTC_VECT(CMT, 0x900), INTC_VECT(HAC, 0x980),
 333         INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
 334         INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
 335         INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
 336         INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
 337         INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
 338         INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
 339         INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
 340         INTC_VECT(SIOF, 0xc00), INTC_VECT(HSPI, 0xc80),
 341         INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
 342         INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
 343         INTC_VECT(DMAC1, 0xd80), INTC_VECT(DMAC1, 0xda0),
 344         INTC_VECT(DMAC1, 0xdc0), INTC_VECT(DMAC1, 0xde0),
 345         INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
 346         INTC_VECT(TMU5, 0xe40),
 347         INTC_VECT(SSI, 0xe80),
 348         INTC_VECT(FLCTL, 0xf00), INTC_VECT(FLCTL, 0xf20),
 349         INTC_VECT(FLCTL, 0xf40), INTC_VECT(FLCTL, 0xf60),
 350         INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
 351         INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
 352 };
 353
 354 static struct intc_group groups[] __initdata = {
 355         INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
 356         INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
 357 };
 358
 359 static struct intc_mask_reg mask_registers[] __initdata = {
 360         { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
 361           { 0, 0, 0, 0, 0, 0, GPIO, FLCTL,
 362             SSI, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB,
 363             PCIINTA, PCISERR, HAC, CMT, 0, 0, DMAC1, DMAC0,
 364             HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
 365 };
 366
 367 static struct intc_prio_reg prio_registers[] __initdata = {
 368         { 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
 369                                                  TMU2, TMU2_TICPI } },
 370         { 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
 371         { 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
 372         { 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC0, DMAC1 } },
 373         { 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
 374                                                  PCISERR, PCIINTA, } },
 375         { 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
 376                                                  PCIINTD, PCIC5 } },
 377         { 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF, HSPI, MMCIF, SSI } },
 378         { 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { FLCTL, GPIO } },
 379 };
 380
 381 static DECLARE_INTC_DESC(intc_desc, "sh7780", vectors, groups,
 382                          mask_registers, prio_registers, NULL);
 383
 384 /* Support for external interrupt pins in IRQ mode */
 385
 386 static struct intc_vect irq_vectors[] __initdata = {
 387         INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
 388         INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
 389         INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
 390         INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
 391 };
 392
 393 static struct intc_mask_reg irq_mask_registers[] __initdata = {
 394         { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
 395           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
 396 };
 397
 398 static struct intc_prio_reg irq_prio_registers[] __initdata = {
 399         { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
 400                                                IRQ4, IRQ5, IRQ6, IRQ7 } },
 401 };
 402
 403 static struct intc_sense_reg irq_sense_registers[] __initdata = {
 404         { 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
 405                                             IRQ4, IRQ5, IRQ6, IRQ7 } },
 406 };
 407
 408 static struct intc_mask_reg irq_ack_registers[] __initdata = {
 409         { 0xffd00024, 0, 32, /* INTREQ */
 410           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
 411 };
 412
 413 static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq", irq_vectors,
 414                              NULL, irq_mask_registers, irq_prio_registers,
 415                              irq_sense_registers, irq_ack_registers);
 416
 417 /* External interrupt pins in IRL mode */
 418
 419 static struct intc_vect irl_vectors[] __initdata = {
 420         INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
 421         INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
 422         INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
 423         INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
 424         INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
 425         INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
 426         INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
 427         INTC_VECT(IRL_HHHL, 0x3c0),
 428 };
 429
 430 static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
 431         { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
 432           { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
 433             IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
 434             IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
 435             IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
 436 };
 437
 438 static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
 439         { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
 440           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 441             IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
 442             IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
 443             IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
 444             IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
 445 };
 446
 447 static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors,
 448                          NULL, irl7654_mask_registers, NULL, NULL);
 449
 450 static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors,
 451                          NULL, irl3210_mask_registers, NULL, NULL);
 452
 453 #define INTC_ICR0       0xffd00000
 454 #define INTC_INTMSK0    0xffd00044
 455 #define INTC_INTMSK1    0xffd00048
 456 #define INTC_INTMSK2    0xffd40080
 457 #define INTC_INTMSKCLR1 0xffd00068
 458 #define INTC_INTMSKCLR2 0xffd40084
 459
 460 void __init plat_irq_setup(void)
 461 {
 462         /* disable IRQ7-0 */
 463         __raw_writel(0xff000000, INTC_INTMSK0);
 464
 465         /* disable IRL3-0 + IRL7-4 */
 466         __raw_writel(0xc0000000, INTC_INTMSK1);
 467         __raw_writel(0xfffefffe, INTC_INTMSK2);
 468
 469         /* select IRL mode for IRL3-0 + IRL7-4 */
 470         __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
 471
 472         /* disable holding function, ie enable "SH-4 Mode" */
 473         __raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0);
 474
 475         register_intc_controller(&intc_desc);
 476 }
 477
 478 void __init plat_irq_setup_pins(int mode)
 479 {
 480         switch (mode) {
 481         case IRQ_MODE_IRQ:
 482                 /* select IRQ mode for IRL3-0 + IRL7-4 */
 483                 __raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
 484                 register_intc_controller(&intc_irq_desc);
 485                 break;
 486         case IRQ_MODE_IRL7654:
 487                 /* enable IRL7-4 but don't provide any masking */
 488                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
 489                 __raw_writel(0x0000fffe, INTC_INTMSKCLR2);
 490                 break;
 491         case IRQ_MODE_IRL3210:
 492                 /* enable IRL0-3 but don't provide any masking */
 493                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
 494                 __raw_writel(0xfffe0000, INTC_INTMSKCLR2);
 495                 break;
 496         case IRQ_MODE_IRL7654_MASK:
 497                 /* enable IRL7-4 and mask using cpu intc controller */
 498                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
 499                 register_intc_controller(&intc_irl7654_desc);
 500                 break;
 501         case IRQ_MODE_IRL3210_MASK:
 502                 /* enable IRL0-3 and mask using cpu intc controller */
 503                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
 504                 register_intc_controller(&intc_irl3210_desc);
 505                 break;
 506         default:
 507                 BUG();
 508         }
 509 }