arch/sh/kernel/cpu/sh4a/setup-sh7786.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * SH7786 Setup
   4  *
   5  * Copyright (C) 2009 - 2011  Renesas Solutions Corp.
   6  * Kuninori Morimoto <morimoto.kuninori@renesas.com>
   7  * Paul Mundt <paul.mundt@renesas.com>
   8  *
   9  * Based on SH7785 Setup
  10  *
  11  *  Copyright (C) 2007  Paul Mundt
  12  */
  13 #include <linux/platform_device.h>
  14 #include <linux/init.h>
  15 #include <linux/serial.h>
  16 #include <linux/serial_sci.h>
  17 #include <linux/io.h>
  18 #include <linux/mm.h>
  19 #include <linux/dma-mapping.h>
  20 #include <linux/sh_timer.h>
  21 #include <linux/sh_dma.h>
  22 #include <linux/sh_intc.h>
  23 #include <linux/usb/ohci_pdriver.h>
  24 #include <cpu/dma-register.h>
  25 #include <asm/mmzone.h>
  26 #include <asm/platform_early.h>
  27
  28 static struct plat_sci_port scif0_platform_data = {
  29         .scscr          = SCSCR_REIE | SCSCR_CKE1,
  30         .type           = PORT_SCIF,
  31         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
  32 };
  33
  34 static struct resource scif0_resources[] = {
  35         DEFINE_RES_MEM(0xffea0000, 0x100),
  36         DEFINE_RES_IRQ(evt2irq(0x700)),
  37         DEFINE_RES_IRQ(evt2irq(0x720)),
  38         DEFINE_RES_IRQ(evt2irq(0x760)),
  39         DEFINE_RES_IRQ(evt2irq(0x740)),
  40 };
  41
  42 static struct platform_device scif0_device = {
  43         .name           = "sh-sci",
  44         .id             = 0,
  45         .resource       = scif0_resources,
  46         .num_resources  = ARRAY_SIZE(scif0_resources),
  47         .dev            = {
  48                 .platform_data  = &scif0_platform_data,
  49         },
  50 };
  51
  52 /*
  53  * The rest of these all have multiplexed IRQs
  54  */
  55 static struct plat_sci_port scif1_platform_data = {
  56         .scscr          = SCSCR_REIE | SCSCR_CKE1,
  57         .type           = PORT_SCIF,
  58         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
  59 };
  60
  61 static struct resource scif1_resources[] = {
  62         DEFINE_RES_MEM(0xffeb0000, 0x100),
  63         DEFINE_RES_IRQ(evt2irq(0x780)),
  64 };
  65
  66 static struct resource scif1_demux_resources[] = {
  67         DEFINE_RES_MEM(0xffeb0000, 0x100),
  68         /* Placeholders, see sh7786_devices_setup() */
  69         DEFINE_RES_IRQ(0),
  70         DEFINE_RES_IRQ(0),
  71         DEFINE_RES_IRQ(0),
  72         DEFINE_RES_IRQ(0),
  73 };
  74
  75 static struct platform_device scif1_device = {
  76         .name           = "sh-sci",
  77         .id             = 1,
  78         .resource       = scif1_resources,
  79         .num_resources  = ARRAY_SIZE(scif1_resources),
  80         .dev            = {
  81                 .platform_data  = &scif1_platform_data,
  82         },
  83 };
  84
  85 static struct plat_sci_port scif2_platform_data = {
  86         .scscr          = SCSCR_REIE | SCSCR_CKE1,
  87         .type           = PORT_SCIF,
  88         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
  89 };
  90
  91 static struct resource scif2_resources[] = {
  92         DEFINE_RES_MEM(0xffec0000, 0x100),
  93         DEFINE_RES_IRQ(evt2irq(0x840)),
  94 };
  95
  96 static struct platform_device scif2_device = {
  97         .name           = "sh-sci",
  98         .id             = 2,
  99         .resource       = scif2_resources,
 100         .num_resources  = ARRAY_SIZE(scif2_resources),
 101         .dev            = {
 102                 .platform_data  = &scif2_platform_data,
 103         },
 104 };
 105
 106 static struct plat_sci_port scif3_platform_data = {
 107         .scscr          = SCSCR_REIE | SCSCR_CKE1,
 108         .type           = PORT_SCIF,
 109         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 110 };
 111
 112 static struct resource scif3_resources[] = {
 113         DEFINE_RES_MEM(0xffed0000, 0x100),
 114         DEFINE_RES_IRQ(evt2irq(0x860)),
 115 };
 116
 117 static struct platform_device scif3_device = {
 118         .name           = "sh-sci",
 119         .id             = 3,
 120         .resource       = scif3_resources,
 121         .num_resources  = ARRAY_SIZE(scif3_resources),
 122         .dev            = {
 123                 .platform_data  = &scif3_platform_data,
 124         },
 125 };
 126
 127 static struct plat_sci_port scif4_platform_data = {
 128         .scscr          = SCSCR_REIE | SCSCR_CKE1,
 129         .type           = PORT_SCIF,
 130         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 131 };
 132
 133 static struct resource scif4_resources[] = {
 134         DEFINE_RES_MEM(0xffee0000, 0x100),
 135         DEFINE_RES_IRQ(evt2irq(0x880)),
 136 };
 137
 138 static struct platform_device scif4_device = {
 139         .name           = "sh-sci",
 140         .id             = 4,
 141         .resource       = scif4_resources,
 142         .num_resources  = ARRAY_SIZE(scif4_resources),
 143         .dev            = {
 144                 .platform_data  = &scif4_platform_data,
 145         },
 146 };
 147
 148 static struct plat_sci_port scif5_platform_data = {
 149         .scscr          = SCSCR_REIE | SCSCR_CKE1,
 150         .type           = PORT_SCIF,
 151         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 152 };
 153
 154 static struct resource scif5_resources[] = {
 155         DEFINE_RES_MEM(0xffef0000, 0x100),
 156         DEFINE_RES_IRQ(evt2irq(0x8a0)),
 157 };
 158
 159 static struct platform_device scif5_device = {
 160         .name           = "sh-sci",
 161         .id             = 5,
 162         .resource       = scif5_resources,
 163         .num_resources  = ARRAY_SIZE(scif5_resources),
 164         .dev            = {
 165                 .platform_data  = &scif5_platform_data,
 166         },
 167 };
 168
 169 static struct sh_timer_config tmu0_platform_data = {
 170         .channels_mask = 7,
 171 };
 172
 173 static struct resource tmu0_resources[] = {
 174         DEFINE_RES_MEM(0xffd80000, 0x30),
 175         DEFINE_RES_IRQ(evt2irq(0x400)),
 176         DEFINE_RES_IRQ(evt2irq(0x420)),
 177         DEFINE_RES_IRQ(evt2irq(0x440)),
 178 };
 179
 180 static struct platform_device tmu0_device = {
 181         .name           = "sh-tmu",
 182         .id             = 0,
 183         .dev = {
 184                 .platform_data  = &tmu0_platform_data,
 185         },
 186         .resource       = tmu0_resources,
 187         .num_resources  = ARRAY_SIZE(tmu0_resources),
 188 };
 189
 190 static struct sh_timer_config tmu1_platform_data = {
 191         .channels_mask = 7,
 192 };
 193
 194 static struct resource tmu1_resources[] = {
 195         DEFINE_RES_MEM(0xffda0000, 0x2c),
 196         DEFINE_RES_IRQ(evt2irq(0x480)),
 197         DEFINE_RES_IRQ(evt2irq(0x4a0)),
 198         DEFINE_RES_IRQ(evt2irq(0x4c0)),
 199 };
 200
 201 static struct platform_device tmu1_device = {
 202         .name           = "sh-tmu",
 203         .id             = 1,
 204         .dev = {
 205                 .platform_data  = &tmu1_platform_data,
 206         },
 207         .resource       = tmu1_resources,
 208         .num_resources  = ARRAY_SIZE(tmu1_resources),
 209 };
 210
 211 static struct sh_timer_config tmu2_platform_data = {
 212         .channels_mask = 7,
 213 };
 214
 215 static struct resource tmu2_resources[] = {
 216         DEFINE_RES_MEM(0xffdc0000, 0x2c),
 217         DEFINE_RES_IRQ(evt2irq(0x7a0)),
 218         DEFINE_RES_IRQ(evt2irq(0x7a0)),
 219         DEFINE_RES_IRQ(evt2irq(0x7a0)),
 220 };
 221
 222 static struct platform_device tmu2_device = {
 223         .name           = "sh-tmu",
 224         .id             = 2,
 225         .dev = {
 226                 .platform_data  = &tmu2_platform_data,
 227         },
 228         .resource       = tmu2_resources,
 229         .num_resources  = ARRAY_SIZE(tmu2_resources),
 230 };
 231
 232 static struct sh_timer_config tmu3_platform_data = {
 233         .channels_mask = 7,
 234 };
 235
 236 static struct resource tmu3_resources[] = {
 237         DEFINE_RES_MEM(0xffde0000, 0x2c),
 238         DEFINE_RES_IRQ(evt2irq(0x7c0)),
 239         DEFINE_RES_IRQ(evt2irq(0x7c0)),
 240         DEFINE_RES_IRQ(evt2irq(0x7c0)),
 241 };
 242
 243 static struct platform_device tmu3_device = {
 244         .name           = "sh-tmu",
 245         .id             = 3,
 246         .dev = {
 247                 .platform_data  = &tmu3_platform_data,
 248         },
 249         .resource       = tmu3_resources,
 250         .num_resources  = ARRAY_SIZE(tmu3_resources),
 251 };
 252
 253 static const struct sh_dmae_channel dmac0_channels[] = {
 254         {
 255                 .offset = 0,
 256                 .dmars = 0,
 257                 .dmars_bit = 0,
 258         }, {
 259                 .offset = 0x10,
 260                 .dmars = 0,
 261                 .dmars_bit = 8,
 262         }, {
 263                 .offset = 0x20,
 264                 .dmars = 4,
 265                 .dmars_bit = 0,
 266         }, {
 267                 .offset = 0x30,
 268                 .dmars = 4,
 269                 .dmars_bit = 8,
 270         }, {
 271                 .offset = 0x50,
 272                 .dmars = 8,
 273                 .dmars_bit = 0,
 274         }, {
 275                 .offset = 0x60,
 276                 .dmars = 8,
 277                 .dmars_bit = 8,
 278         }
 279 };
 280
 281 static const unsigned int ts_shift[] = TS_SHIFT;
 282
 283 static struct sh_dmae_pdata dma0_platform_data = {
 284         .channel        = dmac0_channels,
 285         .channel_num    = ARRAY_SIZE(dmac0_channels),
 286         .ts_low_shift   = CHCR_TS_LOW_SHIFT,
 287         .ts_low_mask    = CHCR_TS_LOW_MASK,
 288         .ts_high_shift  = CHCR_TS_HIGH_SHIFT,
 289         .ts_high_mask   = CHCR_TS_HIGH_MASK,
 290         .ts_shift       = ts_shift,
 291         .ts_shift_num   = ARRAY_SIZE(ts_shift),
 292         .dmaor_init     = DMAOR_INIT,
 293 };
 294
 295 /* Resource order important! */
 296 static struct resource dmac0_resources[] = {
 297         {
 298                 /* Channel registers and DMAOR */
 299                 .start  = 0xfe008020,
 300                 .end    = 0xfe00808f,
 301                 .flags  = IORESOURCE_MEM,
 302         }, {
 303                 /* DMARSx */
 304                 .start  = 0xfe009000,
 305                 .end    = 0xfe00900b,
 306                 .flags  = IORESOURCE_MEM,
 307         }, {
 308                 .name   = "error_irq",
 309                 .start  = evt2irq(0x5c0),
 310                 .end    = evt2irq(0x5c0),
 311                 .flags  = IORESOURCE_IRQ,
 312         }, {
 313                 /* IRQ for channels 0-5 */
 314                 .start  = evt2irq(0x500),
 315                 .end    = evt2irq(0x5a0),
 316                 .flags  = IORESOURCE_IRQ,
 317         },
 318 };
 319
 320 static struct platform_device dma0_device = {
 321         .name           = "sh-dma-engine",
 322         .id             = 0,
 323         .resource       = dmac0_resources,
 324         .num_resources  = ARRAY_SIZE(dmac0_resources),
 325         .dev            = {
 326                 .platform_data  = &dma0_platform_data,
 327         },
 328 };
 329
 330 #define USB_EHCI_START 0xffe70000
 331 #define USB_OHCI_START 0xffe70400
 332
 333 static struct resource usb_ehci_resources[] = {
 334         [0] = {
 335                 .start  = USB_EHCI_START,
 336                 .end    = USB_EHCI_START + 0x3ff,
 337                 .flags  = IORESOURCE_MEM,
 338         },
 339         [1] = {
 340                 .start  = evt2irq(0xba0),
 341                 .end    = evt2irq(0xba0),
 342                 .flags  = IORESOURCE_IRQ,
 343         },
 344 };
 345
 346 static struct platform_device usb_ehci_device = {
 347         .name           = "sh_ehci",
 348         .id             = -1,
 349         .dev = {
 350                 .dma_mask               = &usb_ehci_device.dev.coherent_dma_mask,
 351                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 352         },
 353         .num_resources  = ARRAY_SIZE(usb_ehci_resources),
 354         .resource       = usb_ehci_resources,
 355 };
 356
 357 static struct resource usb_ohci_resources[] = {
 358         [0] = {
 359                 .start  = USB_OHCI_START,
 360                 .end    = USB_OHCI_START + 0x3ff,
 361                 .flags  = IORESOURCE_MEM,
 362         },
 363         [1] = {
 364                 .start  = evt2irq(0xba0),
 365                 .end    = evt2irq(0xba0),
 366                 .flags  = IORESOURCE_IRQ,
 367         },
 368 };
 369
 370 static struct usb_ohci_pdata usb_ohci_pdata;
 371
 372 static struct platform_device usb_ohci_device = {
 373         .name           = "ohci-platform",
 374         .id             = -1,
 375         .dev = {
 376                 .dma_mask               = &usb_ohci_device.dev.coherent_dma_mask,
 377                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 378                 .platform_data          = &usb_ohci_pdata,
 379         },
 380         .num_resources  = ARRAY_SIZE(usb_ohci_resources),
 381         .resource       = usb_ohci_resources,
 382 };
 383
 384 static struct platform_device *sh7786_early_devices[] __initdata = {
 385         &scif0_device,
 386         &scif1_device,
 387         &scif2_device,
 388         &scif3_device,
 389         &scif4_device,
 390         &scif5_device,
 391         &tmu0_device,
 392         &tmu1_device,
 393         &tmu2_device,
 394 };
 395
 396 static struct platform_device *sh7786_devices[] __initdata = {
 397         &dma0_device,
 398         &usb_ehci_device,
 399         &usb_ohci_device,
 400 };
 401
 402 /*
 403  * Please call this function if your platform board
 404  * use external clock for USB
 405  * */
 406 #define USBCTL0         0xffe70858
 407 #define CLOCK_MODE_MASK 0xffffff7f
 408 #define EXT_CLOCK_MODE  0x00000080
 409
 410 void __init sh7786_usb_use_exclock(void)
 411 {
 412         u32 val = __raw_readl(USBCTL0) & CLOCK_MODE_MASK;
 413         __raw_writel(val | EXT_CLOCK_MODE, USBCTL0);
 414 }
 415
 416 #define USBINITREG1     0xffe70094
 417 #define USBINITREG2     0xffe7009c
 418 #define USBINITVAL1     0x00ff0040
 419 #define USBINITVAL2     0x00000001
 420
 421 #define USBPCTL1        0xffe70804
 422 #define USBST           0xffe70808
 423 #define PHY_ENB         0x00000001
 424 #define PLL_ENB         0x00000002
 425 #define PHY_RST         0x00000004
 426 #define ACT_PLL_STATUS  0xc0000000
 427
 428 static void __init sh7786_usb_setup(void)
 429 {
 430         int i = 1000000;
 431
 432         /*
 433          * USB initial settings
 434          *
 435          * The following settings are necessary
 436          * for using the USB modules.
 437          *
 438          * see "USB Initial Settings" for detail
 439          */
 440         __raw_writel(USBINITVAL1, USBINITREG1);
 441         __raw_writel(USBINITVAL2, USBINITREG2);
 442
 443         /*
 444          * Set the PHY and PLL enable bit
 445          */
 446         __raw_writel(PHY_ENB | PLL_ENB, USBPCTL1);
 447         while (i--) {
 448                 if (ACT_PLL_STATUS == (__raw_readl(USBST) & ACT_PLL_STATUS)) {
 449                         /* Set the PHY RST bit */
 450                         __raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1);
 451                         printk(KERN_INFO "sh7786 usb setup done\n");
 452                         break;
 453                 }
 454                 cpu_relax();
 455         }
 456 }
 457
 458 enum {
 459         UNUSED = 0,
 460
 461         /* interrupt sources */
 462         IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
 463         IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
 464         IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
 465         IRL0_HHLL, IRL0_HHLH, IRL0_HHHL,
 466
 467         IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
 468         IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
 469         IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
 470         IRL4_HHLL, IRL4_HHLH, IRL4_HHHL,
 471
 472         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
 473         WDT,
 474         TMU0_0, TMU0_1, TMU0_2, TMU0_3,
 475         TMU1_0, TMU1_1, TMU1_2,
 476         DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
 477         HUDI1, HUDI0,
 478         DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
 479         HPB_0, HPB_1, HPB_2,
 480         SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
 481         SCIF1,
 482         TMU2, TMU3,
 483         SCIF2, SCIF3, SCIF4, SCIF5,
 484         Eth_0, Eth_1,
 485         PCIeC0_0, PCIeC0_1, PCIeC0_2,
 486         PCIeC1_0, PCIeC1_1, PCIeC1_2,
 487         USB,
 488         I2C0, I2C1,
 489         DU,
 490         SSI0, SSI1, SSI2, SSI3,
 491         PCIeC2_0, PCIeC2_1, PCIeC2_2,
 492         HAC0, HAC1,
 493         FLCTL,
 494         HSPI,
 495         GPIO0, GPIO1,
 496         Thermal,
 497         INTICI0, INTICI1, INTICI2, INTICI3,
 498         INTICI4, INTICI5, INTICI6, INTICI7,
 499
 500         /* Muxed sub-events */
 501         TXI1, BRI1, RXI1, ERI1,
 502 };
 503
 504 static struct intc_vect sh7786_vectors[] __initdata = {
 505         INTC_VECT(WDT, 0x3e0),
 506         INTC_VECT(TMU0_0, 0x400), INTC_VECT(TMU0_1, 0x420),
 507         INTC_VECT(TMU0_2, 0x440), INTC_VECT(TMU0_3, 0x460),
 508         INTC_VECT(TMU1_0, 0x480), INTC_VECT(TMU1_1, 0x4a0),
 509         INTC_VECT(TMU1_2, 0x4c0),
 510         INTC_VECT(DMAC0_0, 0x500), INTC_VECT(DMAC0_1, 0x520),
 511         INTC_VECT(DMAC0_2, 0x540), INTC_VECT(DMAC0_3, 0x560),
 512         INTC_VECT(DMAC0_4, 0x580), INTC_VECT(DMAC0_5, 0x5a0),
 513         INTC_VECT(DMAC0_6, 0x5c0),
 514         INTC_VECT(HUDI1, 0x5e0), INTC_VECT(HUDI0, 0x600),
 515         INTC_VECT(DMAC1_0, 0x620), INTC_VECT(DMAC1_1, 0x640),
 516         INTC_VECT(DMAC1_2, 0x660), INTC_VECT(DMAC1_3, 0x680),
 517         INTC_VECT(HPB_0, 0x6a0), INTC_VECT(HPB_1, 0x6c0),
 518         INTC_VECT(HPB_2, 0x6e0),
 519         INTC_VECT(SCIF0_0, 0x700), INTC_VECT(SCIF0_1, 0x720),
 520         INTC_VECT(SCIF0_2, 0x740), INTC_VECT(SCIF0_3, 0x760),
 521         INTC_VECT(SCIF1, 0x780),
 522         INTC_VECT(TMU2, 0x7a0), INTC_VECT(TMU3, 0x7c0),
 523         INTC_VECT(SCIF2, 0x840), INTC_VECT(SCIF3, 0x860),
 524         INTC_VECT(SCIF4, 0x880), INTC_VECT(SCIF5, 0x8a0),
 525         INTC_VECT(Eth_0, 0x8c0), INTC_VECT(Eth_1, 0x8e0),
 526         INTC_VECT(PCIeC0_0, 0xae0), INTC_VECT(PCIeC0_1, 0xb00),
 527         INTC_VECT(PCIeC0_2, 0xb20),
 528         INTC_VECT(PCIeC1_0, 0xb40), INTC_VECT(PCIeC1_1, 0xb60),
 529         INTC_VECT(PCIeC1_2, 0xb80),
 530         INTC_VECT(USB, 0xba0),
 531         INTC_VECT(I2C0, 0xcc0), INTC_VECT(I2C1, 0xce0),
 532         INTC_VECT(DU, 0xd00),
 533         INTC_VECT(SSI0, 0xd20), INTC_VECT(SSI1, 0xd40),
 534         INTC_VECT(SSI2, 0xd60), INTC_VECT(SSI3, 0xd80),
 535         INTC_VECT(PCIeC2_0, 0xda0), INTC_VECT(PCIeC2_1, 0xdc0),
 536         INTC_VECT(PCIeC2_2, 0xde0),
 537         INTC_VECT(HAC0, 0xe00), INTC_VECT(HAC1, 0xe20),
 538         INTC_VECT(FLCTL, 0xe40),
 539         INTC_VECT(HSPI, 0xe80),
 540         INTC_VECT(GPIO0, 0xea0), INTC_VECT(GPIO1, 0xec0),
 541         INTC_VECT(Thermal, 0xee0),
 542         INTC_VECT(INTICI0, 0xf00), INTC_VECT(INTICI1, 0xf20),
 543         INTC_VECT(INTICI2, 0xf40), INTC_VECT(INTICI3, 0xf60),
 544         INTC_VECT(INTICI4, 0xf80), INTC_VECT(INTICI5, 0xfa0),
 545         INTC_VECT(INTICI6, 0xfc0), INTC_VECT(INTICI7, 0xfe0),
 546 };
 547
 548 #define CnINTMSK0       0xfe410030
 549 #define CnINTMSK1       0xfe410040
 550 #define CnINTMSKCLR0    0xfe410050
 551 #define CnINTMSKCLR1    0xfe410060
 552 #define CnINT2MSKR0     0xfe410a20
 553 #define CnINT2MSKR1     0xfe410a24
 554 #define CnINT2MSKR2     0xfe410a28
 555 #define CnINT2MSKR3     0xfe410a2c
 556 #define CnINT2MSKCR0    0xfe410a30
 557 #define CnINT2MSKCR1    0xfe410a34
 558 #define CnINT2MSKCR2    0xfe410a38
 559 #define CnINT2MSKCR3    0xfe410a3c
 560 #define INTMSK2         0xfe410068
 561 #define INTMSKCLR2      0xfe41006c
 562
 563 #define INTDISTCR0      0xfe4100b0
 564 #define INTDISTCR1      0xfe4100b4
 565 #define INT2DISTCR0     0xfe410900
 566 #define INT2DISTCR1     0xfe410904
 567 #define INT2DISTCR2     0xfe410908
 568 #define INT2DISTCR3     0xfe41090c
 569
 570 static struct intc_mask_reg sh7786_mask_registers[] __initdata = {
 571         { CnINTMSK0, CnINTMSKCLR0, 32,
 572           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 },
 573             INTC_SMP_BALANCING(INTDISTCR0) },
 574         { INTMSK2, INTMSKCLR2, 32,
 575           { IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
 576             IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
 577             IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
 578             IRL0_HHLL, IRL0_HHLH, IRL0_HHHL, 0,
 579             IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
 580             IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
 581             IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
 582             IRL4_HHLL, IRL4_HHLH, IRL4_HHHL, 0, } },
 583         { CnINT2MSKR0, CnINT2MSKCR0 , 32,
 584           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 585             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, WDT },
 586             INTC_SMP_BALANCING(INT2DISTCR0) },
 587         { CnINT2MSKR1, CnINT2MSKCR1, 32,
 588           { TMU0_0, TMU0_1, TMU0_2, TMU0_3, TMU1_0, TMU1_1, TMU1_2, 0,
 589             DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
 590             HUDI1, HUDI0,
 591             DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
 592             HPB_0, HPB_1, HPB_2,
 593             SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
 594             SCIF1,
 595             TMU2, TMU3, 0, }, INTC_SMP_BALANCING(INT2DISTCR1) },
 596         { CnINT2MSKR2, CnINT2MSKCR2, 32,
 597           { 0, 0, SCIF2, SCIF3, SCIF4, SCIF5,
 598             Eth_0, Eth_1,
 599             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 600             PCIeC0_0, PCIeC0_1, PCIeC0_2,
 601             PCIeC1_0, PCIeC1_1, PCIeC1_2,
 602             USB, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR2) },
 603         { CnINT2MSKR3, CnINT2MSKCR3, 32,
 604           { 0, 0, 0, 0, 0, 0,
 605             I2C0, I2C1,
 606             DU, SSI0, SSI1, SSI2, SSI3,
 607             PCIeC2_0, PCIeC2_1, PCIeC2_2,
 608             HAC0, HAC1,
 609             FLCTL, 0,
 610             HSPI, GPIO0, GPIO1, Thermal,
 611             0, 0, 0, 0, 0, 0, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR3) },
 612 };
 613
 614 static struct intc_prio_reg sh7786_prio_registers[] __initdata = {
 615         { 0xfe410010, 0, 32, 4, /* INTPRI */   { IRQ0, IRQ1, IRQ2, IRQ3,
 616                                                  IRQ4, IRQ5, IRQ6, IRQ7 } },
 617         { 0xfe410800, 0, 32, 8, /* INT2PRI0 */ { 0, 0, 0, WDT } },
 618         { 0xfe410804, 0, 32, 8, /* INT2PRI1 */ { TMU0_0, TMU0_1,
 619                                                  TMU0_2, TMU0_3 } },
 620         { 0xfe410808, 0, 32, 8, /* INT2PRI2 */ { TMU1_0, TMU1_1,
 621                                                  TMU1_2, 0 } },
 622         { 0xfe41080c, 0, 32, 8, /* INT2PRI3 */ { DMAC0_0, DMAC0_1,
 623                                                  DMAC0_2, DMAC0_3 } },
 624         { 0xfe410810, 0, 32, 8, /* INT2PRI4 */ { DMAC0_4, DMAC0_5,
 625                                                  DMAC0_6, HUDI1 } },
 626         { 0xfe410814, 0, 32, 8, /* INT2PRI5 */ { HUDI0, DMAC1_0,
 627                                                  DMAC1_1, DMAC1_2 } },
 628         { 0xfe410818, 0, 32, 8, /* INT2PRI6 */ { DMAC1_3, HPB_0,
 629                                                  HPB_1, HPB_2 } },
 630         { 0xfe41081c, 0, 32, 8, /* INT2PRI7 */ { SCIF0_0, SCIF0_1,
 631                                                  SCIF0_2, SCIF0_3 } },
 632         { 0xfe410820, 0, 32, 8, /* INT2PRI8 */ { SCIF1, TMU2, TMU3, 0 } },
 633         { 0xfe410824, 0, 32, 8, /* INT2PRI9 */ { 0, 0, SCIF2, SCIF3 } },
 634         { 0xfe410828, 0, 32, 8, /* INT2PRI10 */ { SCIF4, SCIF5,
 635                                                   Eth_0, Eth_1 } },
 636         { 0xfe41082c, 0, 32, 8, /* INT2PRI11 */ { 0, 0, 0, 0 } },
 637         { 0xfe410830, 0, 32, 8, /* INT2PRI12 */ { 0, 0, 0, 0 } },
 638         { 0xfe410834, 0, 32, 8, /* INT2PRI13 */ { 0, 0, 0, 0 } },
 639         { 0xfe410838, 0, 32, 8, /* INT2PRI14 */ { 0, 0, 0, PCIeC0_0 } },
 640         { 0xfe41083c, 0, 32, 8, /* INT2PRI15 */ { PCIeC0_1, PCIeC0_2,
 641                                                   PCIeC1_0, PCIeC1_1 } },
 642         { 0xfe410840, 0, 32, 8, /* INT2PRI16 */ { PCIeC1_2, USB, 0, 0 } },
 643         { 0xfe410844, 0, 32, 8, /* INT2PRI17 */ { 0, 0, 0, 0 } },
 644         { 0xfe410848, 0, 32, 8, /* INT2PRI18 */ { 0, 0, I2C0, I2C1 } },
 645         { 0xfe41084c, 0, 32, 8, /* INT2PRI19 */ { DU, SSI0, SSI1, SSI2 } },
 646         { 0xfe410850, 0, 32, 8, /* INT2PRI20 */ { SSI3, PCIeC2_0,
 647                                                   PCIeC2_1, PCIeC2_2 } },
 648         { 0xfe410854, 0, 32, 8, /* INT2PRI21 */ { HAC0, HAC1, FLCTL, 0 } },
 649         { 0xfe410858, 0, 32, 8, /* INT2PRI22 */ { HSPI, GPIO0,
 650                                                   GPIO1, Thermal } },
 651         { 0xfe41085c, 0, 32, 8, /* INT2PRI23 */ { 0, 0, 0, 0 } },
 652         { 0xfe410860, 0, 32, 8, /* INT2PRI24 */ { 0, 0, 0, 0 } },
 653         { 0xfe410090, 0xfe4100a0, 32, 4, /* CnICIPRI / CnICIPRICLR */
 654           { INTICI7, INTICI6, INTICI5, INTICI4,
 655             INTICI3, INTICI2, INTICI1, INTICI0 }, INTC_SMP(4, 2) },
 656 };
 657
 658 static struct intc_subgroup sh7786_subgroups[] __initdata = {
 659         { 0xfe410c20, 32, SCIF1,
 660           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 661             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, TXI1, BRI1, RXI1, ERI1 } },
 662 };
 663
 664 static struct intc_desc sh7786_intc_desc __initdata = {
 665         .name           = "sh7786",
 666         .hw             = {
 667                 .vectors        = sh7786_vectors,
 668                 .nr_vectors     = ARRAY_SIZE(sh7786_vectors),
 669                 .mask_regs      = sh7786_mask_registers,
 670                 .nr_mask_regs   = ARRAY_SIZE(sh7786_mask_registers),
 671                 .subgroups      = sh7786_subgroups,
 672                 .nr_subgroups   = ARRAY_SIZE(sh7786_subgroups),
 673                 .prio_regs      = sh7786_prio_registers,
 674                 .nr_prio_regs   = ARRAY_SIZE(sh7786_prio_registers),
 675         },
 676 };
 677
 678 /* Support for external interrupt pins in IRQ mode */
 679 static struct intc_vect vectors_irq0123[] __initdata = {
 680         INTC_VECT(IRQ0, 0x200), INTC_VECT(IRQ1, 0x240),
 681         INTC_VECT(IRQ2, 0x280), INTC_VECT(IRQ3, 0x2c0),
 682 };
 683
 684 static struct intc_vect vectors_irq4567[] __initdata = {
 685         INTC_VECT(IRQ4, 0x300), INTC_VECT(IRQ5, 0x340),
 686         INTC_VECT(IRQ6, 0x380), INTC_VECT(IRQ7, 0x3c0),
 687 };
 688
 689 static struct intc_sense_reg sh7786_sense_registers[] __initdata = {
 690         { 0xfe41001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
 691                                             IRQ4, IRQ5, IRQ6, IRQ7 } },
 692 };
 693
 694 static struct intc_mask_reg sh7786_ack_registers[] __initdata = {
 695         { 0xfe410024, 0, 32, /* INTREQ */
 696           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
 697 };
 698
 699 static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh7786-irq0123",
 700                              vectors_irq0123, NULL, sh7786_mask_registers,
 701                              sh7786_prio_registers, sh7786_sense_registers,
 702                              sh7786_ack_registers);
 703
 704 static DECLARE_INTC_DESC_ACK(intc_desc_irq4567, "sh7786-irq4567",
 705                              vectors_irq4567, NULL, sh7786_mask_registers,
 706                              sh7786_prio_registers, sh7786_sense_registers,
 707                              sh7786_ack_registers);
 708
 709 /* External interrupt pins in IRL mode */
 710
 711 static struct intc_vect vectors_irl0123[] __initdata = {
 712         INTC_VECT(IRL0_LLLL, 0x200), INTC_VECT(IRL0_LLLH, 0x220),
 713         INTC_VECT(IRL0_LLHL, 0x240), INTC_VECT(IRL0_LLHH, 0x260),
 714         INTC_VECT(IRL0_LHLL, 0x280), INTC_VECT(IRL0_LHLH, 0x2a0),
 715         INTC_VECT(IRL0_LHHL, 0x2c0), INTC_VECT(IRL0_LHHH, 0x2e0),
 716         INTC_VECT(IRL0_HLLL, 0x300), INTC_VECT(IRL0_HLLH, 0x320),
 717         INTC_VECT(IRL0_HLHL, 0x340), INTC_VECT(IRL0_HLHH, 0x360),
 718         INTC_VECT(IRL0_HHLL, 0x380), INTC_VECT(IRL0_HHLH, 0x3a0),
 719         INTC_VECT(IRL0_HHHL, 0x3c0),
 720 };
 721
 722 static struct intc_vect vectors_irl4567[] __initdata = {
 723         INTC_VECT(IRL4_LLLL, 0x900), INTC_VECT(IRL4_LLLH, 0x920),
 724         INTC_VECT(IRL4_LLHL, 0x940), INTC_VECT(IRL4_LLHH, 0x960),
 725         INTC_VECT(IRL4_LHLL, 0x980), INTC_VECT(IRL4_LHLH, 0x9a0),
 726         INTC_VECT(IRL4_LHHL, 0x9c0), INTC_VECT(IRL4_LHHH, 0x9e0),
 727         INTC_VECT(IRL4_HLLL, 0xa00), INTC_VECT(IRL4_HLLH, 0xa20),
 728         INTC_VECT(IRL4_HLHL, 0xa40), INTC_VECT(IRL4_HLHH, 0xa60),
 729         INTC_VECT(IRL4_HHLL, 0xa80), INTC_VECT(IRL4_HHLH, 0xaa0),
 730         INTC_VECT(IRL4_HHHL, 0xac0),
 731 };
 732
 733 static DECLARE_INTC_DESC(intc_desc_irl0123, "sh7786-irl0123", vectors_irl0123,
 734                          NULL, sh7786_mask_registers, NULL, NULL);
 735
 736 static DECLARE_INTC_DESC(intc_desc_irl4567, "sh7786-irl4567", vectors_irl4567,
 737                          NULL, sh7786_mask_registers, NULL, NULL);
 738
 739 #define INTC_ICR0       0xfe410000
 740 #define INTC_INTMSK0    CnINTMSK0
 741 #define INTC_INTMSK1    CnINTMSK1
 742 #define INTC_INTMSK2    INTMSK2
 743 #define INTC_INTMSKCLR1 CnINTMSKCLR1
 744 #define INTC_INTMSKCLR2 INTMSKCLR2
 745
 746 void __init plat_irq_setup(void)
 747 {
 748         /* disable IRQ3-0 + IRQ7-4 */
 749         __raw_writel(0xff000000, INTC_INTMSK0);
 750
 751         /* disable IRL3-0 + IRL7-4 */
 752         __raw_writel(0xc0000000, INTC_INTMSK1);
 753         __raw_writel(0xfffefffe, INTC_INTMSK2);
 754
 755         /* select IRL mode for IRL3-0 + IRL7-4 */
 756         __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
 757
 758         register_intc_controller(&sh7786_intc_desc);
 759 }
 760
 761 void __init plat_irq_setup_pins(int mode)
 762 {
 763         switch (mode) {
 764         case IRQ_MODE_IRQ7654:
 765                 /* select IRQ mode for IRL7-4 */
 766                 __raw_writel(__raw_readl(INTC_ICR0) | 0x00400000, INTC_ICR0);
 767                 register_intc_controller(&intc_desc_irq4567);
 768                 break;
 769         case IRQ_MODE_IRQ3210:
 770                 /* select IRQ mode for IRL3-0 */
 771                 __raw_writel(__raw_readl(INTC_ICR0) | 0x00800000, INTC_ICR0);
 772                 register_intc_controller(&intc_desc_irq0123);
 773                 break;
 774         case IRQ_MODE_IRL7654:
 775                 /* enable IRL7-4 but don't provide any masking */
 776                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
 777                 __raw_writel(0x0000fffe, INTC_INTMSKCLR2);
 778                 break;
 779         case IRQ_MODE_IRL3210:
 780                 /* enable IRL0-3 but don't provide any masking */
 781                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
 782                 __raw_writel(0xfffe0000, INTC_INTMSKCLR2);
 783                 break;
 784         case IRQ_MODE_IRL7654_MASK:
 785                 /* enable IRL7-4 and mask using cpu intc controller */
 786                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
 787                 register_intc_controller(&intc_desc_irl4567);
 788                 break;
 789         case IRQ_MODE_IRL3210_MASK:
 790                 /* enable IRL0-3 and mask using cpu intc controller */
 791                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
 792                 register_intc_controller(&intc_desc_irl0123);
 793                 break;
 794         default:
 795                 BUG();
 796         }
 797 }
 798
 799 void __init plat_mem_setup(void)
 800 {
 801 }
 802
 803 static int __init sh7786_devices_setup(void)
 804 {
 805         int ret, irq;
 806
 807         sh7786_usb_setup();
 808
 809         /*
 810          * De-mux SCIF1 IRQs if possible
 811          */
 812         irq = intc_irq_lookup(sh7786_intc_desc.name, TXI1);
 813         if (irq > 0) {
 814                 scif1_demux_resources[1].start =
 815                         intc_irq_lookup(sh7786_intc_desc.name, ERI1);
 816                 scif1_demux_resources[2].start =
 817                         intc_irq_lookup(sh7786_intc_desc.name, RXI1);
 818                 scif1_demux_resources[3].start = irq;
 819                 scif1_demux_resources[4].start =
 820                         intc_irq_lookup(sh7786_intc_desc.name, BRI1);
 821
 822                 scif1_device.resource = scif1_demux_resources;
 823                 scif1_device.num_resources = ARRAY_SIZE(scif1_demux_resources);
 824         }
 825
 826         ret = platform_add_devices(sh7786_early_devices,
 827                                    ARRAY_SIZE(sh7786_early_devices));
 828         if (unlikely(ret != 0))
 829                 return ret;
 830
 831         return platform_add_devices(sh7786_devices,
 832                                     ARRAY_SIZE(sh7786_devices));
 833 }
 834 arch_initcall(sh7786_devices_setup);
 835
 836 void __init plat_early_device_setup(void)
 837 {
 838         sh_early_platform_add_devices(sh7786_early_devices,
 839                                    ARRAY_SIZE(sh7786_early_devices));
 840 }