git.oblomov.eu Git - linux-2.6/blob - arch/avr32/mach-at32ap/at32ap700x.c

   1 /*
   2  * Copyright (C) 2005-2006 Atmel Corporation
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8 #include <linux/clk.h>
   9 #include <linux/delay.h>
  10 #include <linux/fb.h>
  11 #include <linux/init.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/dma-mapping.h>
  14 #include <linux/spi/spi.h>
  15 #include <linux/usb/atmel_usba_udc.h>
  16
  17 #include <asm/io.h>
  18 #include <asm/irq.h>
  19
  20 #include <asm/arch/at32ap700x.h>
  21 #include <asm/arch/board.h>
  22 #include <asm/arch/portmux.h>
  23
  24 #include <video/atmel_lcdc.h>
  25
  26 #include "clock.h"
  27 #include "hmatrix.h"
  28 #include "pio.h"
  29 #include "pm.h"
  30
  31
  32 #define PBMEM(base)                                     \
  33         {                                               \
  34                 .start          = base,                 \
  35                 .end            = base + 0x3ff,         \
  36                 .flags          = IORESOURCE_MEM,       \
  37         }
  38 #define IRQ(num)                                        \
  39         {                                               \
  40                 .start          = num,                  \
  41                 .end            = num,                  \
  42                 .flags          = IORESOURCE_IRQ,       \
  43         }
  44 #define NAMED_IRQ(num, _name)                           \
  45         {                                               \
  46                 .start          = num,                  \
  47                 .end            = num,                  \
  48                 .name           = _name,                \
  49                 .flags          = IORESOURCE_IRQ,       \
  50         }
  51
  52 /* REVISIT these assume *every* device supports DMA, but several
  53  * don't ... tc, smc, pio, rtc, watchdog, pwm, ps2, and more.
  54  */
  55 #define DEFINE_DEV(_name, _id)                                  \
  56 static u64 _name##_id##_dma_mask = DMA_32BIT_MASK;              \
  57 static struct platform_device _name##_id##_device = {           \
  58         .name           = #_name,                               \
  59         .id             = _id,                                  \
  60         .dev            = {                                     \
  61                 .dma_mask = &_name##_id##_dma_mask,             \
  62                 .coherent_dma_mask = DMA_32BIT_MASK,            \
  63         },                                                      \
  64         .resource       = _name##_id##_resource,                \
  65         .num_resources  = ARRAY_SIZE(_name##_id##_resource),    \
  66 }
  67 #define DEFINE_DEV_DATA(_name, _id)                             \
  68 static u64 _name##_id##_dma_mask = DMA_32BIT_MASK;              \
  69 static struct platform_device _name##_id##_device = {           \
  70         .name           = #_name,                               \
  71         .id             = _id,                                  \
  72         .dev            = {                                     \
  73                 .dma_mask = &_name##_id##_dma_mask,             \
  74                 .platform_data  = &_name##_id##_data,           \
  75                 .coherent_dma_mask = DMA_32BIT_MASK,            \
  76         },                                                      \
  77         .resource       = _name##_id##_resource,                \
  78         .num_resources  = ARRAY_SIZE(_name##_id##_resource),    \
  79 }
  80
  81 #define select_peripheral(pin, periph, flags)                   \
  82         at32_select_periph(GPIO_PIN_##pin, GPIO_##periph, flags)
  83
  84 #define DEV_CLK(_name, devname, bus, _index)                    \
  85 static struct clk devname##_##_name = {                         \
  86         .name           = #_name,                               \
  87         .dev            = &devname##_device.dev,                \
  88         .parent         = &bus##_clk,                           \
  89         .mode           = bus##_clk_mode,                       \
  90         .get_rate       = bus##_clk_get_rate,                   \
  91         .index          = _index,                               \
  92 }
  93
  94 static DEFINE_SPINLOCK(pm_lock);
  95
  96 static struct clk osc0;
  97 static struct clk osc1;
  98
  99 static unsigned long osc_get_rate(struct clk *clk)
 100 {
 101         return at32_board_osc_rates[clk->index];
 102 }
 103
 104 static unsigned long pll_get_rate(struct clk *clk, unsigned long control)
 105 {
 106         unsigned long div, mul, rate;
 107
 108         div = PM_BFEXT(PLLDIV, control) + 1;
 109         mul = PM_BFEXT(PLLMUL, control) + 1;
 110
 111         rate = clk->parent->get_rate(clk->parent);
 112         rate = (rate + div / 2) / div;
 113         rate *= mul;
 114
 115         return rate;
 116 }
 117
 118 static long pll_set_rate(struct clk *clk, unsigned long rate,
 119                          u32 *pll_ctrl)
 120 {
 121         unsigned long mul;
 122         unsigned long mul_best_fit = 0;
 123         unsigned long div;
 124         unsigned long div_min;
 125         unsigned long div_max;
 126         unsigned long div_best_fit = 0;
 127         unsigned long base;
 128         unsigned long pll_in;
 129         unsigned long actual = 0;
 130         unsigned long rate_error;
 131         unsigned long rate_error_prev = ~0UL;
 132         u32 ctrl;
 133
 134         /* Rate must be between 80 MHz and 200 Mhz. */
 135         if (rate < 80000000UL || rate > 200000000UL)
 136                 return -EINVAL;
 137
 138         ctrl = PM_BF(PLLOPT, 4);
 139         base = clk->parent->get_rate(clk->parent);
 140
 141         /* PLL input frequency must be between 6 MHz and 32 MHz. */
 142         div_min = DIV_ROUND_UP(base, 32000000UL);
 143         div_max = base / 6000000UL;
 144
 145         if (div_max < div_min)
 146                 return -EINVAL;
 147
 148         for (div = div_min; div <= div_max; div++) {
 149                 pll_in = (base + div / 2) / div;
 150                 mul = (rate + pll_in / 2) / pll_in;
 151
 152                 if (mul == 0)
 153                         continue;
 154
 155                 actual = pll_in * mul;
 156                 rate_error = abs(actual - rate);
 157
 158                 if (rate_error < rate_error_prev) {
 159                         mul_best_fit = mul;
 160                         div_best_fit = div;
 161                         rate_error_prev = rate_error;
 162                 }
 163
 164                 if (rate_error == 0)
 165                         break;
 166         }
 167
 168         if (div_best_fit == 0)
 169                 return -EINVAL;
 170
 171         ctrl |= PM_BF(PLLMUL, mul_best_fit - 1);
 172         ctrl |= PM_BF(PLLDIV, div_best_fit - 1);
 173         ctrl |= PM_BF(PLLCOUNT, 16);
 174
 175         if (clk->parent == &osc1)
 176                 ctrl |= PM_BIT(PLLOSC);
 177
 178         *pll_ctrl = ctrl;
 179
 180         return actual;
 181 }
 182
 183 static unsigned long pll0_get_rate(struct clk *clk)
 184 {
 185         u32 control;
 186
 187         control = pm_readl(PLL0);
 188
 189         return pll_get_rate(clk, control);
 190 }
 191
 192 static void pll1_mode(struct clk *clk, int enabled)
 193 {
 194         unsigned long timeout;
 195         u32 status;
 196         u32 ctrl;
 197
 198         ctrl = pm_readl(PLL1);
 199
 200         if (enabled) {
 201                 if (!PM_BFEXT(PLLMUL, ctrl) && !PM_BFEXT(PLLDIV, ctrl)) {
 202                         pr_debug("clk %s: failed to enable, rate not set\n",
 203                                         clk->name);
 204                         return;
 205                 }
 206
 207                 ctrl |= PM_BIT(PLLEN);
 208                 pm_writel(PLL1, ctrl);
 209
 210                 /* Wait for PLL lock. */
 211                 for (timeout = 10000; timeout; timeout--) {
 212                         status = pm_readl(ISR);
 213                         if (status & PM_BIT(LOCK1))
 214                                 break;
 215                         udelay(10);
 216                 }
 217
 218                 if (!(status & PM_BIT(LOCK1)))
 219                         printk(KERN_ERR "clk %s: timeout waiting for lock\n",
 220                                         clk->name);
 221         } else {
 222                 ctrl &= ~PM_BIT(PLLEN);
 223                 pm_writel(PLL1, ctrl);
 224         }
 225 }
 226
 227 static unsigned long pll1_get_rate(struct clk *clk)
 228 {
 229         u32 control;
 230
 231         control = pm_readl(PLL1);
 232
 233         return pll_get_rate(clk, control);
 234 }
 235
 236 static long pll1_set_rate(struct clk *clk, unsigned long rate, int apply)
 237 {
 238         u32 ctrl = 0;
 239         unsigned long actual_rate;
 240
 241         actual_rate = pll_set_rate(clk, rate, &ctrl);
 242
 243         if (apply) {
 244                 if (actual_rate != rate)
 245                         return -EINVAL;
 246                 if (clk->users > 0)
 247                         return -EBUSY;
 248                 pr_debug(KERN_INFO "clk %s: new rate %lu (actual rate %lu)\n",
 249                                 clk->name, rate, actual_rate);
 250                 pm_writel(PLL1, ctrl);
 251         }
 252
 253         return actual_rate;
 254 }
 255
 256 static int pll1_set_parent(struct clk *clk, struct clk *parent)
 257 {
 258         u32 ctrl;
 259
 260         if (clk->users > 0)
 261                 return -EBUSY;
 262
 263         ctrl = pm_readl(PLL1);
 264         WARN_ON(ctrl & PM_BIT(PLLEN));
 265
 266         if (parent == &osc0)
 267                 ctrl &= ~PM_BIT(PLLOSC);
 268         else if (parent == &osc1)
 269                 ctrl |= PM_BIT(PLLOSC);
 270         else
 271                 return -EINVAL;
 272
 273         pm_writel(PLL1, ctrl);
 274         clk->parent = parent;
 275
 276         return 0;
 277 }
 278
 279 /*
 280  * The AT32AP7000 has five primary clock sources: One 32kHz
 281  * oscillator, two crystal oscillators and two PLLs.
 282  */
 283 static struct clk osc32k = {
 284         .name           = "osc32k",
 285         .get_rate       = osc_get_rate,
 286         .users          = 1,
 287         .index          = 0,
 288 };
 289 static struct clk osc0 = {
 290         .name           = "osc0",
 291         .get_rate       = osc_get_rate,
 292         .users          = 1,
 293         .index          = 1,
 294 };
 295 static struct clk osc1 = {
 296         .name           = "osc1",
 297         .get_rate       = osc_get_rate,
 298         .index          = 2,
 299 };
 300 static struct clk pll0 = {
 301         .name           = "pll0",
 302         .get_rate       = pll0_get_rate,
 303         .parent         = &osc0,
 304 };
 305 static struct clk pll1 = {
 306         .name           = "pll1",
 307         .mode           = pll1_mode,
 308         .get_rate       = pll1_get_rate,
 309         .set_rate       = pll1_set_rate,
 310         .set_parent     = pll1_set_parent,
 311         .parent         = &osc0,
 312 };
 313
 314 /*
 315  * The main clock can be either osc0 or pll0.  The boot loader may
 316  * have chosen one for us, so we don't really know which one until we
 317  * have a look at the SM.
 318  */
 319 static struct clk *main_clock;
 320
 321 /*
 322  * Synchronous clocks are generated from the main clock. The clocks
 323  * must satisfy the constraint
 324  *   fCPU >= fHSB >= fPB
 325  * i.e. each clock must not be faster than its parent.
 326  */
 327 static unsigned long bus_clk_get_rate(struct clk *clk, unsigned int shift)
 328 {
 329         return main_clock->get_rate(main_clock) >> shift;
 330 };
 331
 332 static void cpu_clk_mode(struct clk *clk, int enabled)
 333 {
 334         unsigned long flags;
 335         u32 mask;
 336
 337         spin_lock_irqsave(&pm_lock, flags);
 338         mask = pm_readl(CPU_MASK);
 339         if (enabled)
 340                 mask |= 1 << clk->index;
 341         else
 342                 mask &= ~(1 << clk->index);
 343         pm_writel(CPU_MASK, mask);
 344         spin_unlock_irqrestore(&pm_lock, flags);
 345 }
 346
 347 static unsigned long cpu_clk_get_rate(struct clk *clk)
 348 {
 349         unsigned long cksel, shift = 0;
 350
 351         cksel = pm_readl(CKSEL);
 352         if (cksel & PM_BIT(CPUDIV))
 353                 shift = PM_BFEXT(CPUSEL, cksel) + 1;
 354
 355         return bus_clk_get_rate(clk, shift);
 356 }
 357
 358 static long cpu_clk_set_rate(struct clk *clk, unsigned long rate, int apply)
 359 {
 360         u32 control;
 361         unsigned long parent_rate, child_div, actual_rate, div;
 362
 363         parent_rate = clk->parent->get_rate(clk->parent);
 364         control = pm_readl(CKSEL);
 365
 366         if (control & PM_BIT(HSBDIV))
 367                 child_div = 1 << (PM_BFEXT(HSBSEL, control) + 1);
 368         else
 369                 child_div = 1;
 370
 371         if (rate > 3 * (parent_rate / 4) || child_div == 1) {
 372                 actual_rate = parent_rate;
 373                 control &= ~PM_BIT(CPUDIV);
 374         } else {
 375                 unsigned int cpusel;
 376                 div = (parent_rate + rate / 2) / rate;
 377                 if (div > child_div)
 378                         div = child_div;
 379                 cpusel = (div > 1) ? (fls(div) - 2) : 0;
 380                 control = PM_BIT(CPUDIV) | PM_BFINS(CPUSEL, cpusel, control);
 381                 actual_rate = parent_rate / (1 << (cpusel + 1));
 382         }
 383
 384         pr_debug("clk %s: new rate %lu (actual rate %lu)\n",
 385                         clk->name, rate, actual_rate);
 386
 387         if (apply)
 388                 pm_writel(CKSEL, control);
 389
 390         return actual_rate;
 391 }
 392
 393 static void hsb_clk_mode(struct clk *clk, int enabled)
 394 {
 395         unsigned long flags;
 396         u32 mask;
 397
 398         spin_lock_irqsave(&pm_lock, flags);
 399         mask = pm_readl(HSB_MASK);
 400         if (enabled)
 401                 mask |= 1 << clk->index;
 402         else
 403                 mask &= ~(1 << clk->index);
 404         pm_writel(HSB_MASK, mask);
 405         spin_unlock_irqrestore(&pm_lock, flags);
 406 }
 407
 408 static unsigned long hsb_clk_get_rate(struct clk *clk)
 409 {
 410         unsigned long cksel, shift = 0;
 411
 412         cksel = pm_readl(CKSEL);
 413         if (cksel & PM_BIT(HSBDIV))
 414                 shift = PM_BFEXT(HSBSEL, cksel) + 1;
 415
 416         return bus_clk_get_rate(clk, shift);
 417 }
 418
 419 static void pba_clk_mode(struct clk *clk, int enabled)
 420 {
 421         unsigned long flags;
 422         u32 mask;
 423
 424         spin_lock_irqsave(&pm_lock, flags);
 425         mask = pm_readl(PBA_MASK);
 426         if (enabled)
 427                 mask |= 1 << clk->index;
 428         else
 429                 mask &= ~(1 << clk->index);
 430         pm_writel(PBA_MASK, mask);
 431         spin_unlock_irqrestore(&pm_lock, flags);
 432 }
 433
 434 static unsigned long pba_clk_get_rate(struct clk *clk)
 435 {
 436         unsigned long cksel, shift = 0;
 437
 438         cksel = pm_readl(CKSEL);
 439         if (cksel & PM_BIT(PBADIV))
 440                 shift = PM_BFEXT(PBASEL, cksel) + 1;
 441
 442         return bus_clk_get_rate(clk, shift);
 443 }
 444
 445 static void pbb_clk_mode(struct clk *clk, int enabled)
 446 {
 447         unsigned long flags;
 448         u32 mask;
 449
 450         spin_lock_irqsave(&pm_lock, flags);
 451         mask = pm_readl(PBB_MASK);
 452         if (enabled)
 453                 mask |= 1 << clk->index;
 454         else
 455                 mask &= ~(1 << clk->index);
 456         pm_writel(PBB_MASK, mask);
 457         spin_unlock_irqrestore(&pm_lock, flags);
 458 }
 459
 460 static unsigned long pbb_clk_get_rate(struct clk *clk)
 461 {
 462         unsigned long cksel, shift = 0;
 463
 464         cksel = pm_readl(CKSEL);
 465         if (cksel & PM_BIT(PBBDIV))
 466                 shift = PM_BFEXT(PBBSEL, cksel) + 1;
 467
 468         return bus_clk_get_rate(clk, shift);
 469 }
 470
 471 static struct clk cpu_clk = {
 472         .name           = "cpu",
 473         .get_rate       = cpu_clk_get_rate,
 474         .set_rate       = cpu_clk_set_rate,
 475         .users          = 1,
 476 };
 477 static struct clk hsb_clk = {
 478         .name           = "hsb",
 479         .parent         = &cpu_clk,
 480         .get_rate       = hsb_clk_get_rate,
 481 };
 482 static struct clk pba_clk = {
 483         .name           = "pba",
 484         .parent         = &hsb_clk,
 485         .mode           = hsb_clk_mode,
 486         .get_rate       = pba_clk_get_rate,
 487         .index          = 1,
 488 };
 489 static struct clk pbb_clk = {
 490         .name           = "pbb",
 491         .parent         = &hsb_clk,
 492         .mode           = hsb_clk_mode,
 493         .get_rate       = pbb_clk_get_rate,
 494         .users          = 1,
 495         .index          = 2,
 496 };
 497
 498 /* --------------------------------------------------------------------
 499  *  Generic Clock operations
 500  * -------------------------------------------------------------------- */
 501
 502 static void genclk_mode(struct clk *clk, int enabled)
 503 {
 504         u32 control;
 505
 506         control = pm_readl(GCCTRL(clk->index));
 507         if (enabled)
 508                 control |= PM_BIT(CEN);
 509         else
 510                 control &= ~PM_BIT(CEN);
 511         pm_writel(GCCTRL(clk->index), control);
 512 }
 513
 514 static unsigned long genclk_get_rate(struct clk *clk)
 515 {
 516         u32 control;
 517         unsigned long div = 1;
 518
 519         control = pm_readl(GCCTRL(clk->index));
 520         if (control & PM_BIT(DIVEN))
 521                 div = 2 * (PM_BFEXT(DIV, control) + 1);
 522
 523         return clk->parent->get_rate(clk->parent) / div;
 524 }
 525
 526 static long genclk_set_rate(struct clk *clk, unsigned long rate, int apply)
 527 {
 528         u32 control;
 529         unsigned long parent_rate, actual_rate, div;
 530
 531         parent_rate = clk->parent->get_rate(clk->parent);
 532         control = pm_readl(GCCTRL(clk->index));
 533
 534         if (rate > 3 * parent_rate / 4) {
 535                 actual_rate = parent_rate;
 536                 control &= ~PM_BIT(DIVEN);
 537         } else {
 538                 div = (parent_rate + rate) / (2 * rate) - 1;
 539                 control = PM_BFINS(DIV, div, control) | PM_BIT(DIVEN);
 540                 actual_rate = parent_rate / (2 * (div + 1));
 541         }
 542
 543         dev_dbg(clk->dev, "clk %s: new rate %lu (actual rate %lu)\n",
 544                 clk->name, rate, actual_rate);
 545
 546         if (apply)
 547                 pm_writel(GCCTRL(clk->index), control);
 548
 549         return actual_rate;
 550 }
 551
 552 int genclk_set_parent(struct clk *clk, struct clk *parent)
 553 {
 554         u32 control;
 555
 556         dev_dbg(clk->dev, "clk %s: new parent %s (was %s)\n",
 557                 clk->name, parent->name, clk->parent->name);
 558
 559         control = pm_readl(GCCTRL(clk->index));
 560
 561         if (parent == &osc1 || parent == &pll1)
 562                 control |= PM_BIT(OSCSEL);
 563         else if (parent == &osc0 || parent == &pll0)
 564                 control &= ~PM_BIT(OSCSEL);
 565         else
 566                 return -EINVAL;
 567
 568         if (parent == &pll0 || parent == &pll1)
 569                 control |= PM_BIT(PLLSEL);
 570         else
 571                 control &= ~PM_BIT(PLLSEL);
 572
 573         pm_writel(GCCTRL(clk->index), control);
 574         clk->parent = parent;
 575
 576         return 0;
 577 }
 578
 579 static void __init genclk_init_parent(struct clk *clk)
 580 {
 581         u32 control;
 582         struct clk *parent;
 583
 584         BUG_ON(clk->index > 7);
 585
 586         control = pm_readl(GCCTRL(clk->index));
 587         if (control & PM_BIT(OSCSEL))
 588                 parent = (control & PM_BIT(PLLSEL)) ? &pll1 : &osc1;
 589         else
 590                 parent = (control & PM_BIT(PLLSEL)) ? &pll0 : &osc0;
 591
 592         clk->parent = parent;
 593 }
 594
 595 /* --------------------------------------------------------------------
 596  *  System peripherals
 597  * -------------------------------------------------------------------- */
 598 static struct resource at32_pm0_resource[] = {
 599         {
 600                 .start  = 0xfff00000,
 601                 .end    = 0xfff0007f,
 602                 .flags  = IORESOURCE_MEM,
 603         },
 604         IRQ(20),
 605 };
 606
 607 static struct resource at32ap700x_rtc0_resource[] = {
 608         {
 609                 .start  = 0xfff00080,
 610                 .end    = 0xfff000af,
 611                 .flags  = IORESOURCE_MEM,
 612         },
 613         IRQ(21),
 614 };
 615
 616 static struct resource at32_wdt0_resource[] = {
 617         {
 618                 .start  = 0xfff000b0,
 619                 .end    = 0xfff000cf,
 620                 .flags  = IORESOURCE_MEM,
 621         },
 622 };
 623
 624 static struct resource at32_eic0_resource[] = {
 625         {
 626                 .start  = 0xfff00100,
 627                 .end    = 0xfff0013f,
 628                 .flags  = IORESOURCE_MEM,
 629         },
 630         IRQ(19),
 631 };
 632
 633 DEFINE_DEV(at32_pm, 0);
 634 DEFINE_DEV(at32ap700x_rtc, 0);
 635 DEFINE_DEV(at32_wdt, 0);
 636 DEFINE_DEV(at32_eic, 0);
 637
 638 /*
 639  * Peripheral clock for PM, RTC, WDT and EIC. PM will ensure that this
 640  * is always running.
 641  */
 642 static struct clk at32_pm_pclk = {
 643         .name           = "pclk",
 644         .dev            = &at32_pm0_device.dev,
 645         .parent         = &pbb_clk,
 646         .mode           = pbb_clk_mode,
 647         .get_rate       = pbb_clk_get_rate,
 648         .users          = 1,
 649         .index          = 0,
 650 };
 651
 652 static struct resource intc0_resource[] = {
 653         PBMEM(0xfff00400),
 654 };
 655 struct platform_device at32_intc0_device = {
 656         .name           = "intc",
 657         .id             = 0,
 658         .resource       = intc0_resource,
 659         .num_resources  = ARRAY_SIZE(intc0_resource),
 660 };
 661 DEV_CLK(pclk, at32_intc0, pbb, 1);
 662
 663 static struct clk ebi_clk = {
 664         .name           = "ebi",
 665         .parent         = &hsb_clk,
 666         .mode           = hsb_clk_mode,
 667         .get_rate       = hsb_clk_get_rate,
 668         .users          = 1,
 669 };
 670 static struct clk hramc_clk = {
 671         .name           = "hramc",
 672         .parent         = &hsb_clk,
 673         .mode           = hsb_clk_mode,
 674         .get_rate       = hsb_clk_get_rate,
 675         .users          = 1,
 676         .index          = 3,
 677 };
 678 static struct clk sdramc_clk = {
 679         .name           = "sdramc_clk",
 680         .parent         = &pbb_clk,
 681         .mode           = pbb_clk_mode,
 682         .get_rate       = pbb_clk_get_rate,
 683         .users          = 1,
 684         .index          = 14,
 685 };
 686
 687 static struct resource smc0_resource[] = {
 688         PBMEM(0xfff03400),
 689 };
 690 DEFINE_DEV(smc, 0);
 691 DEV_CLK(pclk, smc0, pbb, 13);
 692 DEV_CLK(mck, smc0, hsb, 0);
 693
 694 static struct platform_device pdc_device = {
 695         .name           = "pdc",
 696         .id             = 0,
 697 };
 698 DEV_CLK(hclk, pdc, hsb, 4);
 699 DEV_CLK(pclk, pdc, pba, 16);
 700
 701 static struct clk pico_clk = {
 702         .name           = "pico",
 703         .parent         = &cpu_clk,
 704         .mode           = cpu_clk_mode,
 705         .get_rate       = cpu_clk_get_rate,
 706         .users          = 1,
 707 };
 708
 709 static struct resource dmaca0_resource[] = {
 710         {
 711                 .start  = 0xff200000,
 712                 .end    = 0xff20ffff,
 713                 .flags  = IORESOURCE_MEM,
 714         },
 715         IRQ(2),
 716 };
 717 DEFINE_DEV(dmaca, 0);
 718 DEV_CLK(hclk, dmaca0, hsb, 10);
 719
 720 /* --------------------------------------------------------------------
 721  * HMATRIX
 722  * -------------------------------------------------------------------- */
 723
 724 static struct clk hmatrix_clk = {
 725         .name           = "hmatrix_clk",
 726         .parent         = &pbb_clk,
 727         .mode           = pbb_clk_mode,
 728         .get_rate       = pbb_clk_get_rate,
 729         .index          = 2,
 730         .users          = 1,
 731 };
 732 #define HMATRIX_BASE    ((void __iomem *)0xfff00800)
 733
 734 #define hmatrix_readl(reg)                                      \
 735         __raw_readl((HMATRIX_BASE) + HMATRIX_##reg)
 736 #define hmatrix_writel(reg,value)                               \
 737         __raw_writel((value), (HMATRIX_BASE) + HMATRIX_##reg)
 738
 739 /*
 740  * Set bits in the HMATRIX Special Function Register (SFR) used by the
 741  * External Bus Interface (EBI). This can be used to enable special
 742  * features like CompactFlash support, NAND Flash support, etc. on
 743  * certain chipselects.
 744  */
 745 static inline void set_ebi_sfr_bits(u32 mask)
 746 {
 747         u32 sfr;
 748
 749         clk_enable(&hmatrix_clk);
 750         sfr = hmatrix_readl(SFR4);
 751         sfr |= mask;
 752         hmatrix_writel(SFR4, sfr);
 753         clk_disable(&hmatrix_clk);
 754 }
 755
 756 /* --------------------------------------------------------------------
 757  *  Timer/Counter (TC)
 758  * -------------------------------------------------------------------- */
 759
 760 static struct resource at32_tcb0_resource[] = {
 761         PBMEM(0xfff00c00),
 762         IRQ(22),
 763 };
 764 static struct platform_device at32_tcb0_device = {
 765         .name           = "atmel_tcb",
 766         .id             = 0,
 767         .resource       = at32_tcb0_resource,
 768         .num_resources  = ARRAY_SIZE(at32_tcb0_resource),
 769 };
 770 DEV_CLK(t0_clk, at32_tcb0, pbb, 3);
 771
 772 static struct resource at32_tcb1_resource[] = {
 773         PBMEM(0xfff01000),
 774         IRQ(23),
 775 };
 776 static struct platform_device at32_tcb1_device = {
 777         .name           = "atmel_tcb",
 778         .id             = 1,
 779         .resource       = at32_tcb1_resource,
 780         .num_resources  = ARRAY_SIZE(at32_tcb1_resource),
 781 };
 782 DEV_CLK(t0_clk, at32_tcb1, pbb, 4);
 783
 784 /* --------------------------------------------------------------------
 785  *  PIO
 786  * -------------------------------------------------------------------- */
 787
 788 static struct resource pio0_resource[] = {
 789         PBMEM(0xffe02800),
 790         IRQ(13),
 791 };
 792 DEFINE_DEV(pio, 0);
 793 DEV_CLK(mck, pio0, pba, 10);
 794
 795 static struct resource pio1_resource[] = {
 796         PBMEM(0xffe02c00),
 797         IRQ(14),
 798 };
 799 DEFINE_DEV(pio, 1);
 800 DEV_CLK(mck, pio1, pba, 11);
 801
 802 static struct resource pio2_resource[] = {
 803         PBMEM(0xffe03000),
 804         IRQ(15),
 805 };
 806 DEFINE_DEV(pio, 2);
 807 DEV_CLK(mck, pio2, pba, 12);
 808
 809 static struct resource pio3_resource[] = {
 810         PBMEM(0xffe03400),
 811         IRQ(16),
 812 };
 813 DEFINE_DEV(pio, 3);
 814 DEV_CLK(mck, pio3, pba, 13);
 815
 816 static struct resource pio4_resource[] = {
 817         PBMEM(0xffe03800),
 818         IRQ(17),
 819 };
 820 DEFINE_DEV(pio, 4);
 821 DEV_CLK(mck, pio4, pba, 14);
 822
 823 void __init at32_add_system_devices(void)
 824 {
 825         platform_device_register(&at32_pm0_device);
 826         platform_device_register(&at32_intc0_device);
 827         platform_device_register(&at32ap700x_rtc0_device);
 828         platform_device_register(&at32_wdt0_device);
 829         platform_device_register(&at32_eic0_device);
 830         platform_device_register(&smc0_device);
 831         platform_device_register(&pdc_device);
 832         platform_device_register(&dmaca0_device);
 833
 834         platform_device_register(&at32_tcb0_device);
 835         platform_device_register(&at32_tcb1_device);
 836
 837         platform_device_register(&pio0_device);
 838         platform_device_register(&pio1_device);
 839         platform_device_register(&pio2_device);
 840         platform_device_register(&pio3_device);
 841         platform_device_register(&pio4_device);
 842 }
 843
 844 /* --------------------------------------------------------------------
 845  *  PSIF
 846  * -------------------------------------------------------------------- */
 847 static struct resource atmel_psif0_resource[] __initdata = {
 848         {
 849                 .start  = 0xffe03c00,
 850                 .end    = 0xffe03cff,
 851                 .flags  = IORESOURCE_MEM,
 852         },
 853         IRQ(18),
 854 };
 855 static struct clk atmel_psif0_pclk = {
 856         .name           = "pclk",
 857         .parent         = &pba_clk,
 858         .mode           = pba_clk_mode,
 859         .get_rate       = pba_clk_get_rate,
 860         .index          = 15,
 861 };
 862
 863 static struct resource atmel_psif1_resource[] __initdata = {
 864         {
 865                 .start  = 0xffe03d00,
 866                 .end    = 0xffe03dff,
 867                 .flags  = IORESOURCE_MEM,
 868         },
 869         IRQ(18),
 870 };
 871 static struct clk atmel_psif1_pclk = {
 872         .name           = "pclk",
 873         .parent         = &pba_clk,
 874         .mode           = pba_clk_mode,
 875         .get_rate       = pba_clk_get_rate,
 876         .index          = 15,
 877 };
 878
 879 struct platform_device *__init at32_add_device_psif(unsigned int id)
 880 {
 881         struct platform_device *pdev;
 882
 883         if (!(id == 0 || id == 1))
 884                 return NULL;
 885
 886         pdev = platform_device_alloc("atmel_psif", id);
 887         if (!pdev)
 888                 return NULL;
 889
 890         switch (id) {
 891         case 0:
 892                 if (platform_device_add_resources(pdev, atmel_psif0_resource,
 893                                         ARRAY_SIZE(atmel_psif0_resource)))
 894                         goto err_add_resources;
 895                 atmel_psif0_pclk.dev = &pdev->dev;
 896                 select_peripheral(PA(8), PERIPH_A, 0); /* CLOCK */
 897                 select_peripheral(PA(9), PERIPH_A, 0); /* DATA  */
 898                 break;
 899         case 1:
 900                 if (platform_device_add_resources(pdev, atmel_psif1_resource,
 901                                         ARRAY_SIZE(atmel_psif1_resource)))
 902                         goto err_add_resources;
 903                 atmel_psif1_pclk.dev = &pdev->dev;
 904                 select_peripheral(PB(11), PERIPH_A, 0); /* CLOCK */
 905                 select_peripheral(PB(12), PERIPH_A, 0); /* DATA  */
 906                 break;
 907         default:
 908                 return NULL;
 909         }
 910
 911         platform_device_add(pdev);
 912         return pdev;
 913
 914 err_add_resources:
 915         platform_device_put(pdev);
 916         return NULL;
 917 }
 918
 919 /* --------------------------------------------------------------------
 920  *  USART
 921  * -------------------------------------------------------------------- */
 922
 923 static struct atmel_uart_data atmel_usart0_data = {
 924         .use_dma_tx     = 1,
 925         .use_dma_rx     = 1,
 926 };
 927 static struct resource atmel_usart0_resource[] = {
 928         PBMEM(0xffe00c00),
 929         IRQ(6),
 930 };
 931 DEFINE_DEV_DATA(atmel_usart, 0);
 932 DEV_CLK(usart, atmel_usart0, pba, 3);
 933
 934 static struct atmel_uart_data atmel_usart1_data = {
 935         .use_dma_tx     = 1,
 936         .use_dma_rx     = 1,
 937 };
 938 static struct resource atmel_usart1_resource[] = {
 939         PBMEM(0xffe01000),
 940         IRQ(7),
 941 };
 942 DEFINE_DEV_DATA(atmel_usart, 1);
 943 DEV_CLK(usart, atmel_usart1, pba, 4);
 944
 945 static struct atmel_uart_data atmel_usart2_data = {
 946         .use_dma_tx     = 1,
 947         .use_dma_rx     = 1,
 948 };
 949 static struct resource atmel_usart2_resource[] = {
 950         PBMEM(0xffe01400),
 951         IRQ(8),
 952 };
 953 DEFINE_DEV_DATA(atmel_usart, 2);
 954 DEV_CLK(usart, atmel_usart2, pba, 5);
 955
 956 static struct atmel_uart_data atmel_usart3_data = {
 957         .use_dma_tx     = 1,
 958         .use_dma_rx     = 1,
 959 };
 960 static struct resource atmel_usart3_resource[] = {
 961         PBMEM(0xffe01800),
 962         IRQ(9),
 963 };
 964 DEFINE_DEV_DATA(atmel_usart, 3);
 965 DEV_CLK(usart, atmel_usart3, pba, 6);
 966
 967 static inline void configure_usart0_pins(void)
 968 {
 969         select_peripheral(PA(8),  PERIPH_B, 0); /* RXD  */
 970         select_peripheral(PA(9),  PERIPH_B, 0); /* TXD  */
 971 }
 972
 973 static inline void configure_usart1_pins(void)
 974 {
 975         select_peripheral(PA(17), PERIPH_A, 0); /* RXD  */
 976         select_peripheral(PA(18), PERIPH_A, 0); /* TXD  */
 977 }
 978
 979 static inline void configure_usart2_pins(void)
 980 {
 981         select_peripheral(PB(26), PERIPH_B, 0); /* RXD  */
 982         select_peripheral(PB(27), PERIPH_B, 0); /* TXD  */
 983 }
 984
 985 static inline void configure_usart3_pins(void)
 986 {
 987         select_peripheral(PB(18), PERIPH_B, 0); /* RXD  */
 988         select_peripheral(PB(17), PERIPH_B, 0); /* TXD  */
 989 }
 990
 991 static struct platform_device *__initdata at32_usarts[4];
 992
 993 void __init at32_map_usart(unsigned int hw_id, unsigned int line)
 994 {
 995         struct platform_device *pdev;
 996
 997         switch (hw_id) {
 998         case 0:
 999                 pdev = &atmel_usart0_device;
1000                 configure_usart0_pins();
1001                 break;
1002         case 1:
1003                 pdev = &atmel_usart1_device;
1004                 configure_usart1_pins();
1005                 break;
1006         case 2:
1007                 pdev = &atmel_usart2_device;
1008                 configure_usart2_pins();
1009                 break;
1010         case 3:
1011                 pdev = &atmel_usart3_device;
1012                 configure_usart3_pins();
1013                 break;
1014         default:
1015                 return;
1016         }
1017
1018         if (PXSEG(pdev->resource[0].start) == P4SEG) {
1019                 /* Addresses in the P4 segment are permanently mapped 1:1 */
1020                 struct atmel_uart_data *data = pdev->dev.platform_data;
1021                 data->regs = (void __iomem *)pdev->resource[0].start;
1022         }
1023
1024         pdev->id = line;
1025         at32_usarts[line] = pdev;
1026 }
1027
1028 struct platform_device *__init at32_add_device_usart(unsigned int id)
1029 {
1030         platform_device_register(at32_usarts[id]);
1031         return at32_usarts[id];
1032 }
1033
1034 struct platform_device *atmel_default_console_device;
1035
1036 void __init at32_setup_serial_console(unsigned int usart_id)
1037 {
1038         atmel_default_console_device = at32_usarts[usart_id];
1039 }
1040
1041 /* --------------------------------------------------------------------
1042  *  Ethernet
1043  * -------------------------------------------------------------------- */
1044
1045 #ifdef CONFIG_CPU_AT32AP7000
1046 static struct eth_platform_data macb0_data;
1047 static struct resource macb0_resource[] = {
1048         PBMEM(0xfff01800),
1049         IRQ(25),
1050 };
1051 DEFINE_DEV_DATA(macb, 0);
1052 DEV_CLK(hclk, macb0, hsb, 8);
1053 DEV_CLK(pclk, macb0, pbb, 6);
1054
1055 static struct eth_platform_data macb1_data;
1056 static struct resource macb1_resource[] = {
1057         PBMEM(0xfff01c00),
1058         IRQ(26),
1059 };
1060 DEFINE_DEV_DATA(macb, 1);
1061 DEV_CLK(hclk, macb1, hsb, 9);
1062 DEV_CLK(pclk, macb1, pbb, 7);
1063
1064 struct platform_device *__init
1065 at32_add_device_eth(unsigned int id, struct eth_platform_data *data)
1066 {
1067         struct platform_device *pdev;
1068
1069         switch (id) {
1070         case 0:
1071                 pdev = &macb0_device;
1072
1073                 select_peripheral(PC(3),  PERIPH_A, 0); /* TXD0 */
1074                 select_peripheral(PC(4),  PERIPH_A, 0); /* TXD1 */
1075                 select_peripheral(PC(7),  PERIPH_A, 0); /* TXEN */
1076                 select_peripheral(PC(8),  PERIPH_A, 0); /* TXCK */
1077                 select_peripheral(PC(9),  PERIPH_A, 0); /* RXD0 */
1078                 select_peripheral(PC(10), PERIPH_A, 0); /* RXD1 */
1079                 select_peripheral(PC(13), PERIPH_A, 0); /* RXER */
1080                 select_peripheral(PC(15), PERIPH_A, 0); /* RXDV */
1081                 select_peripheral(PC(16), PERIPH_A, 0); /* MDC  */
1082                 select_peripheral(PC(17), PERIPH_A, 0); /* MDIO */
1083
1084                 if (!data->is_rmii) {
1085                         select_peripheral(PC(0),  PERIPH_A, 0); /* COL  */
1086                         select_peripheral(PC(1),  PERIPH_A, 0); /* CRS  */
1087                         select_peripheral(PC(2),  PERIPH_A, 0); /* TXER */
1088                         select_peripheral(PC(5),  PERIPH_A, 0); /* TXD2 */
1089                         select_peripheral(PC(6),  PERIPH_A, 0); /* TXD3 */
1090                         select_peripheral(PC(11), PERIPH_A, 0); /* RXD2 */
1091                         select_peripheral(PC(12), PERIPH_A, 0); /* RXD3 */
1092                         select_peripheral(PC(14), PERIPH_A, 0); /* RXCK */
1093                         select_peripheral(PC(18), PERIPH_A, 0); /* SPD  */
1094                 }
1095                 break;
1096
1097         case 1:
1098                 pdev = &macb1_device;
1099
1100                 select_peripheral(PD(13), PERIPH_B, 0);         /* TXD0 */
1101                 select_peripheral(PD(14), PERIPH_B, 0);         /* TXD1 */
1102                 select_peripheral(PD(11), PERIPH_B, 0);         /* TXEN */
1103                 select_peripheral(PD(12), PERIPH_B, 0);         /* TXCK */
1104                 select_peripheral(PD(10), PERIPH_B, 0);         /* RXD0 */
1105                 select_peripheral(PD(6),  PERIPH_B, 0);         /* RXD1 */
1106                 select_peripheral(PD(5),  PERIPH_B, 0);         /* RXER */
1107                 select_peripheral(PD(4),  PERIPH_B, 0);         /* RXDV */
1108                 select_peripheral(PD(3),  PERIPH_B, 0);         /* MDC  */
1109                 select_peripheral(PD(2),  PERIPH_B, 0);         /* MDIO */
1110
1111                 if (!data->is_rmii) {
1112                         select_peripheral(PC(19), PERIPH_B, 0); /* COL  */
1113                         select_peripheral(PC(23), PERIPH_B, 0); /* CRS  */
1114                         select_peripheral(PC(26), PERIPH_B, 0); /* TXER */
1115                         select_peripheral(PC(27), PERIPH_B, 0); /* TXD2 */
1116                         select_peripheral(PC(28), PERIPH_B, 0); /* TXD3 */
1117                         select_peripheral(PC(29), PERIPH_B, 0); /* RXD2 */
1118                         select_peripheral(PC(30), PERIPH_B, 0); /* RXD3 */
1119                         select_peripheral(PC(24), PERIPH_B, 0); /* RXCK */
1120                         select_peripheral(PD(15), PERIPH_B, 0); /* SPD  */
1121                 }
1122                 break;
1123
1124         default:
1125                 return NULL;
1126         }
1127
1128         memcpy(pdev->dev.platform_data, data, sizeof(struct eth_platform_data));
1129         platform_device_register(pdev);
1130
1131         return pdev;
1132 }
1133 #endif
1134
1135 /* --------------------------------------------------------------------
1136  *  SPI
1137  * -------------------------------------------------------------------- */
1138 static struct resource atmel_spi0_resource[] = {
1139         PBMEM(0xffe00000),
1140         IRQ(3),
1141 };
1142 DEFINE_DEV(atmel_spi, 0);
1143 DEV_CLK(spi_clk, atmel_spi0, pba, 0);
1144
1145 static struct resource atmel_spi1_resource[] = {
1146         PBMEM(0xffe00400),
1147         IRQ(4),
1148 };
1149 DEFINE_DEV(atmel_spi, 1);
1150 DEV_CLK(spi_clk, atmel_spi1, pba, 1);
1151
1152 static void __init
1153 at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b,
1154                       unsigned int n, const u8 *pins)
1155 {
1156         unsigned int pin, mode;
1157
1158         for (; n; n--, b++) {
1159                 b->bus_num = bus_num;
1160                 if (b->chip_select >= 4)
1161                         continue;
1162                 pin = (unsigned)b->controller_data;
1163                 if (!pin) {
1164                         pin = pins[b->chip_select];
1165                         b->controller_data = (void *)pin;
1166                 }
1167                 mode = AT32_GPIOF_OUTPUT;
1168                 if (!(b->mode & SPI_CS_HIGH))
1169                         mode |= AT32_GPIOF_HIGH;
1170                 at32_select_gpio(pin, mode);
1171         }
1172 }
1173
1174 struct platform_device *__init
1175 at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
1176 {
1177         /*
1178          * Manage the chipselects as GPIOs, normally using the same pins
1179          * the SPI controller expects; but boards can use other pins.
1180          */
1181         static u8 __initdata spi0_pins[] =
1182                 { GPIO_PIN_PA(3), GPIO_PIN_PA(4),
1183                   GPIO_PIN_PA(5), GPIO_PIN_PA(20), };
1184         static u8 __initdata spi1_pins[] =
1185                 { GPIO_PIN_PB(2), GPIO_PIN_PB(3),
1186                   GPIO_PIN_PB(4), GPIO_PIN_PA(27), };
1187         struct platform_device *pdev;
1188
1189         switch (id) {
1190         case 0:
1191                 pdev = &atmel_spi0_device;
1192                 /* pullup MISO so a level is always defined */
1193                 select_peripheral(PA(0),  PERIPH_A, AT32_GPIOF_PULLUP);
1194                 select_peripheral(PA(1),  PERIPH_A, 0); /* MOSI  */
1195                 select_peripheral(PA(2),  PERIPH_A, 0); /* SCK   */
1196                 at32_spi_setup_slaves(0, b, n, spi0_pins);
1197                 break;
1198
1199         case 1:
1200                 pdev = &atmel_spi1_device;
1201                 /* pullup MISO so a level is always defined */
1202                 select_peripheral(PB(0),  PERIPH_B, AT32_GPIOF_PULLUP);
1203                 select_peripheral(PB(1),  PERIPH_B, 0); /* MOSI  */
1204                 select_peripheral(PB(5),  PERIPH_B, 0); /* SCK   */
1205                 at32_spi_setup_slaves(1, b, n, spi1_pins);
1206                 break;
1207
1208         default:
1209                 return NULL;
1210         }
1211
1212         spi_register_board_info(b, n);
1213         platform_device_register(pdev);
1214         return pdev;
1215 }
1216
1217 /* --------------------------------------------------------------------
1218  *  TWI
1219  * -------------------------------------------------------------------- */
1220 static struct resource atmel_twi0_resource[] __initdata = {
1221         PBMEM(0xffe00800),
1222         IRQ(5),
1223 };
1224 static struct clk atmel_twi0_pclk = {
1225         .name           = "twi_pclk",
1226         .parent         = &pba_clk,
1227         .mode           = pba_clk_mode,
1228         .get_rate       = pba_clk_get_rate,
1229         .index          = 2,
1230 };
1231
1232 struct platform_device *__init at32_add_device_twi(unsigned int id,
1233                                                     struct i2c_board_info *b,
1234                                                     unsigned int n)
1235 {
1236         struct platform_device *pdev;
1237
1238         if (id != 0)
1239                 return NULL;
1240
1241         pdev = platform_device_alloc("atmel_twi", id);
1242         if (!pdev)
1243                 return NULL;
1244
1245         if (platform_device_add_resources(pdev, atmel_twi0_resource,
1246                                 ARRAY_SIZE(atmel_twi0_resource)))
1247                 goto err_add_resources;
1248
1249         select_peripheral(PA(6),  PERIPH_A, 0); /* SDA  */
1250         select_peripheral(PA(7),  PERIPH_A, 0); /* SDL  */
1251
1252         atmel_twi0_pclk.dev = &pdev->dev;
1253
1254         if (b)
1255                 i2c_register_board_info(id, b, n);
1256
1257         platform_device_add(pdev);
1258         return pdev;
1259
1260 err_add_resources:
1261         platform_device_put(pdev);
1262         return NULL;
1263 }
1264
1265 /* --------------------------------------------------------------------
1266  * MMC
1267  * -------------------------------------------------------------------- */
1268 static struct resource atmel_mci0_resource[] __initdata = {
1269         PBMEM(0xfff02400),
1270         IRQ(28),
1271 };
1272 static struct clk atmel_mci0_pclk = {
1273         .name           = "mci_clk",
1274         .parent         = &pbb_clk,
1275         .mode           = pbb_clk_mode,
1276         .get_rate       = pbb_clk_get_rate,
1277         .index          = 9,
1278 };
1279
1280 struct platform_device *__init at32_add_device_mci(unsigned int id)
1281 {
1282         struct platform_device *pdev;
1283
1284         if (id != 0)
1285                 return NULL;
1286
1287         pdev = platform_device_alloc("atmel_mci", id);
1288         if (!pdev)
1289                 return NULL;
1290
1291         if (platform_device_add_resources(pdev, atmel_mci0_resource,
1292                                 ARRAY_SIZE(atmel_mci0_resource)))
1293                 goto err_add_resources;
1294
1295         select_peripheral(PA(10), PERIPH_A, 0); /* CLK   */
1296         select_peripheral(PA(11), PERIPH_A, 0); /* CMD   */
1297         select_peripheral(PA(12), PERIPH_A, 0); /* DATA0 */
1298         select_peripheral(PA(13), PERIPH_A, 0); /* DATA1 */
1299         select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */
1300         select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */
1301
1302         atmel_mci0_pclk.dev = &pdev->dev;
1303
1304         platform_device_add(pdev);
1305         return pdev;
1306
1307 err_add_resources:
1308         platform_device_put(pdev);
1309         return NULL;
1310 }
1311
1312 /* --------------------------------------------------------------------
1313  *  LCDC
1314  * -------------------------------------------------------------------- */
1315 #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002)
1316 static struct atmel_lcdfb_info atmel_lcdfb0_data;
1317 static struct resource atmel_lcdfb0_resource[] = {
1318         {
1319                 .start          = 0xff000000,
1320                 .end            = 0xff000fff,
1321                 .flags          = IORESOURCE_MEM,
1322         },
1323         IRQ(1),
1324         {
1325                 /* Placeholder for pre-allocated fb memory */
1326                 .start          = 0x00000000,
1327                 .end            = 0x00000000,
1328                 .flags          = 0,
1329         },
1330 };
1331 DEFINE_DEV_DATA(atmel_lcdfb, 0);
1332 DEV_CLK(hck1, atmel_lcdfb0, hsb, 7);
1333 static struct clk atmel_lcdfb0_pixclk = {
1334         .name           = "lcdc_clk",
1335         .dev            = &atmel_lcdfb0_device.dev,
1336         .mode           = genclk_mode,
1337         .get_rate       = genclk_get_rate,
1338         .set_rate       = genclk_set_rate,
1339         .set_parent     = genclk_set_parent,
1340         .index          = 7,
1341 };
1342
1343 struct platform_device *__init
1344 at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
1345                      unsigned long fbmem_start, unsigned long fbmem_len,
1346                      unsigned int pin_config)
1347 {
1348         struct platform_device *pdev;
1349         struct atmel_lcdfb_info *info;
1350         struct fb_monspecs *monspecs;
1351         struct fb_videomode *modedb;
1352         unsigned int modedb_size;
1353
1354         /*
1355          * Do a deep copy of the fb data, monspecs and modedb. Make
1356          * sure all allocations are done before setting up the
1357          * portmux.
1358          */
1359         monspecs = kmemdup(data->default_monspecs,
1360                            sizeof(struct fb_monspecs), GFP_KERNEL);
1361         if (!monspecs)
1362                 return NULL;
1363
1364         modedb_size = sizeof(struct fb_videomode) * monspecs->modedb_len;
1365         modedb = kmemdup(monspecs->modedb, modedb_size, GFP_KERNEL);
1366         if (!modedb)
1367                 goto err_dup_modedb;
1368         monspecs->modedb = modedb;
1369
1370         switch (id) {
1371         case 0:
1372                 pdev = &atmel_lcdfb0_device;
1373
1374                 switch (pin_config) {
1375                 case 0:
1376                         select_peripheral(PC(19), PERIPH_A, 0); /* CC     */
1377                         select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC  */
1378                         select_peripheral(PC(21), PERIPH_A, 0); /* PCLK   */
1379                         select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC  */
1380                         select_peripheral(PC(23), PERIPH_A, 0); /* DVAL   */
1381                         select_peripheral(PC(24), PERIPH_A, 0); /* MODE   */
1382                         select_peripheral(PC(25), PERIPH_A, 0); /* PWR    */
1383                         select_peripheral(PC(26), PERIPH_A, 0); /* DATA0  */
1384                         select_peripheral(PC(27), PERIPH_A, 0); /* DATA1  */
1385                         select_peripheral(PC(28), PERIPH_A, 0); /* DATA2  */
1386                         select_peripheral(PC(29), PERIPH_A, 0); /* DATA3  */
1387                         select_peripheral(PC(30), PERIPH_A, 0); /* DATA4  */
1388                         select_peripheral(PC(31), PERIPH_A, 0); /* DATA5  */
1389                         select_peripheral(PD(0),  PERIPH_A, 0); /* DATA6  */
1390                         select_peripheral(PD(1),  PERIPH_A, 0); /* DATA7  */
1391                         select_peripheral(PD(2),  PERIPH_A, 0); /* DATA8  */
1392                         select_peripheral(PD(3),  PERIPH_A, 0); /* DATA9  */
1393                         select_peripheral(PD(4),  PERIPH_A, 0); /* DATA10 */
1394                         select_peripheral(PD(5),  PERIPH_A, 0); /* DATA11 */
1395                         select_peripheral(PD(6),  PERIPH_A, 0); /* DATA12 */
1396                         select_peripheral(PD(7),  PERIPH_A, 0); /* DATA13 */
1397                         select_peripheral(PD(8),  PERIPH_A, 0); /* DATA14 */
1398                         select_peripheral(PD(9),  PERIPH_A, 0); /* DATA15 */
1399                         select_peripheral(PD(10), PERIPH_A, 0); /* DATA16 */
1400                         select_peripheral(PD(11), PERIPH_A, 0); /* DATA17 */
1401                         select_peripheral(PD(12), PERIPH_A, 0); /* DATA18 */
1402                         select_peripheral(PD(13), PERIPH_A, 0); /* DATA19 */
1403                         select_peripheral(PD(14), PERIPH_A, 0); /* DATA20 */
1404                         select_peripheral(PD(15), PERIPH_A, 0); /* DATA21 */
1405                         select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */
1406                         select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */
1407                         break;
1408                 case 1:
1409                         select_peripheral(PE(0),  PERIPH_B, 0); /* CC     */
1410                         select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC  */
1411                         select_peripheral(PC(21), PERIPH_A, 0); /* PCLK   */
1412                         select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC  */
1413                         select_peripheral(PE(1),  PERIPH_B, 0); /* DVAL   */
1414                         select_peripheral(PE(2),  PERIPH_B, 0); /* MODE   */
1415                         select_peripheral(PC(25), PERIPH_A, 0); /* PWR    */
1416                         select_peripheral(PE(3),  PERIPH_B, 0); /* DATA0  */
1417                         select_peripheral(PE(4),  PERIPH_B, 0); /* DATA1  */
1418                         select_peripheral(PE(5),  PERIPH_B, 0); /* DATA2  */
1419                         select_peripheral(PE(6),  PERIPH_B, 0); /* DATA3  */
1420                         select_peripheral(PE(7),  PERIPH_B, 0); /* DATA4  */
1421                         select_peripheral(PC(31), PERIPH_A, 0); /* DATA5  */
1422                         select_peripheral(PD(0),  PERIPH_A, 0); /* DATA6  */
1423                         select_peripheral(PD(1),  PERIPH_A, 0); /* DATA7  */
1424                         select_peripheral(PE(8),  PERIPH_B, 0); /* DATA8  */
1425                         select_peripheral(PE(9),  PERIPH_B, 0); /* DATA9  */
1426                         select_peripheral(PE(10), PERIPH_B, 0); /* DATA10 */
1427                         select_peripheral(PE(11), PERIPH_B, 0); /* DATA11 */
1428                         select_peripheral(PE(12), PERIPH_B, 0); /* DATA12 */
1429                         select_peripheral(PD(7),  PERIPH_A, 0); /* DATA13 */
1430                         select_peripheral(PD(8),  PERIPH_A, 0); /* DATA14 */
1431                         select_peripheral(PD(9),  PERIPH_A, 0); /* DATA15 */
1432                         select_peripheral(PE(13), PERIPH_B, 0); /* DATA16 */
1433                         select_peripheral(PE(14), PERIPH_B, 0); /* DATA17 */
1434                         select_peripheral(PE(15), PERIPH_B, 0); /* DATA18 */
1435                         select_peripheral(PE(16), PERIPH_B, 0); /* DATA19 */
1436                         select_peripheral(PE(17), PERIPH_B, 0); /* DATA20 */
1437                         select_peripheral(PE(18), PERIPH_B, 0); /* DATA21 */
1438                         select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */
1439                         select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */
1440                         break;
1441                 default:
1442                         goto err_invalid_id;
1443                 }
1444
1445                 clk_set_parent(&atmel_lcdfb0_pixclk, &pll0);
1446                 clk_set_rate(&atmel_lcdfb0_pixclk, clk_get_rate(&pll0));
1447                 break;
1448
1449         default:
1450                 goto err_invalid_id;
1451         }
1452
1453         if (fbmem_len) {
1454                 pdev->resource[2].start = fbmem_start;
1455                 pdev->resource[2].end = fbmem_start + fbmem_len - 1;
1456                 pdev->resource[2].flags = IORESOURCE_MEM;
1457         }
1458
1459         info = pdev->dev.platform_data;
1460         memcpy(info, data, sizeof(struct atmel_lcdfb_info));
1461         info->default_monspecs = monspecs;
1462
1463         platform_device_register(pdev);
1464         return pdev;
1465
1466 err_invalid_id:
1467         kfree(modedb);
1468 err_dup_modedb:
1469         kfree(monspecs);
1470         return NULL;
1471 }
1472 #endif
1473
1474 /* --------------------------------------------------------------------
1475  *  PWM
1476  * -------------------------------------------------------------------- */
1477 static struct resource atmel_pwm0_resource[] __initdata = {
1478         PBMEM(0xfff01400),
1479         IRQ(24),
1480 };
1481 static struct clk atmel_pwm0_mck = {
1482         .name           = "pwm_clk",
1483         .parent         = &pbb_clk,
1484         .mode           = pbb_clk_mode,
1485         .get_rate       = pbb_clk_get_rate,
1486         .index          = 5,
1487 };
1488
1489 struct platform_device *__init at32_add_device_pwm(u32 mask)
1490 {
1491         struct platform_device *pdev;
1492
1493         if (!mask)
1494                 return NULL;
1495
1496         pdev = platform_device_alloc("atmel_pwm", 0);
1497         if (!pdev)
1498                 return NULL;
1499
1500         if (platform_device_add_resources(pdev, atmel_pwm0_resource,
1501                                 ARRAY_SIZE(atmel_pwm0_resource)))
1502                 goto out_free_pdev;
1503
1504         if (platform_device_add_data(pdev, &mask, sizeof(mask)))
1505                 goto out_free_pdev;
1506
1507         if (mask & (1 << 0))
1508                 select_peripheral(PA(28), PERIPH_A, 0);
1509         if (mask & (1 << 1))
1510                 select_peripheral(PA(29), PERIPH_A, 0);
1511         if (mask & (1 << 2))
1512                 select_peripheral(PA(21), PERIPH_B, 0);
1513         if (mask & (1 << 3))
1514                 select_peripheral(PA(22), PERIPH_B, 0);
1515
1516         atmel_pwm0_mck.dev = &pdev->dev;
1517
1518         platform_device_add(pdev);
1519
1520         return pdev;
1521
1522 out_free_pdev:
1523         platform_device_put(pdev);
1524         return NULL;
1525 }
1526
1527 /* --------------------------------------------------------------------
1528  *  SSC
1529  * -------------------------------------------------------------------- */
1530 static struct resource ssc0_resource[] = {
1531         PBMEM(0xffe01c00),
1532         IRQ(10),
1533 };
1534 DEFINE_DEV(ssc, 0);
1535 DEV_CLK(pclk, ssc0, pba, 7);
1536
1537 static struct resource ssc1_resource[] = {
1538         PBMEM(0xffe02000),
1539         IRQ(11),
1540 };
1541 DEFINE_DEV(ssc, 1);
1542 DEV_CLK(pclk, ssc1, pba, 8);
1543
1544 static struct resource ssc2_resource[] = {
1545         PBMEM(0xffe02400),
1546         IRQ(12),
1547 };
1548 DEFINE_DEV(ssc, 2);
1549 DEV_CLK(pclk, ssc2, pba, 9);
1550
1551 struct platform_device *__init
1552 at32_add_device_ssc(unsigned int id, unsigned int flags)
1553 {
1554         struct platform_device *pdev;
1555
1556         switch (id) {
1557         case 0:
1558                 pdev = &ssc0_device;
1559                 if (flags & ATMEL_SSC_RF)
1560                         select_peripheral(PA(21), PERIPH_A, 0); /* RF */
1561                 if (flags & ATMEL_SSC_RK)
1562                         select_peripheral(PA(22), PERIPH_A, 0); /* RK */
1563                 if (flags & ATMEL_SSC_TK)
1564                         select_peripheral(PA(23), PERIPH_A, 0); /* TK */
1565                 if (flags & ATMEL_SSC_TF)
1566                         select_peripheral(PA(24), PERIPH_A, 0); /* TF */
1567                 if (flags & ATMEL_SSC_TD)
1568                         select_peripheral(PA(25), PERIPH_A, 0); /* TD */
1569                 if (flags & ATMEL_SSC_RD)
1570                         select_peripheral(PA(26), PERIPH_A, 0); /* RD */
1571                 break;
1572         case 1:
1573                 pdev = &ssc1_device;
1574                 if (flags & ATMEL_SSC_RF)
1575                         select_peripheral(PA(0), PERIPH_B, 0);  /* RF */
1576                 if (flags & ATMEL_SSC_RK)
1577                         select_peripheral(PA(1), PERIPH_B, 0);  /* RK */
1578                 if (flags & ATMEL_SSC_TK)
1579                         select_peripheral(PA(2), PERIPH_B, 0);  /* TK */
1580                 if (flags & ATMEL_SSC_TF)
1581                         select_peripheral(PA(3), PERIPH_B, 0);  /* TF */
1582                 if (flags & ATMEL_SSC_TD)
1583                         select_peripheral(PA(4), PERIPH_B, 0);  /* TD */
1584                 if (flags & ATMEL_SSC_RD)
1585                         select_peripheral(PA(5), PERIPH_B, 0);  /* RD */
1586                 break;
1587         case 2:
1588                 pdev = &ssc2_device;
1589                 if (flags & ATMEL_SSC_TD)
1590                         select_peripheral(PB(13), PERIPH_A, 0); /* TD */
1591                 if (flags & ATMEL_SSC_RD)
1592                         select_peripheral(PB(14), PERIPH_A, 0); /* RD */
1593                 if (flags & ATMEL_SSC_TK)
1594                         select_peripheral(PB(15), PERIPH_A, 0); /* TK */
1595                 if (flags & ATMEL_SSC_TF)
1596                         select_peripheral(PB(16), PERIPH_A, 0); /* TF */
1597                 if (flags & ATMEL_SSC_RF)
1598                         select_peripheral(PB(17), PERIPH_A, 0); /* RF */
1599                 if (flags & ATMEL_SSC_RK)
1600                         select_peripheral(PB(18), PERIPH_A, 0); /* RK */
1601                 break;
1602         default:
1603                 return NULL;
1604         }
1605
1606         platform_device_register(pdev);
1607         return pdev;
1608 }
1609
1610 /* --------------------------------------------------------------------
1611  *  USB Device Controller
1612  * -------------------------------------------------------------------- */
1613 static struct resource usba0_resource[] __initdata = {
1614         {
1615                 .start          = 0xff300000,
1616                 .end            = 0xff3fffff,
1617                 .flags          = IORESOURCE_MEM,
1618         }, {
1619                 .start          = 0xfff03000,
1620                 .end            = 0xfff033ff,
1621                 .flags          = IORESOURCE_MEM,
1622         },
1623         IRQ(31),
1624 };
1625 static struct clk usba0_pclk = {
1626         .name           = "pclk",
1627         .parent         = &pbb_clk,
1628         .mode           = pbb_clk_mode,
1629         .get_rate       = pbb_clk_get_rate,
1630         .index          = 12,
1631 };
1632 static struct clk usba0_hclk = {
1633         .name           = "hclk",
1634         .parent         = &hsb_clk,
1635         .mode           = hsb_clk_mode,
1636         .get_rate       = hsb_clk_get_rate,
1637         .index          = 6,
1638 };
1639
1640 #define EP(nam, idx, maxpkt, maxbk, dma, isoc)                  \
1641         [idx] = {                                               \
1642                 .name           = nam,                          \
1643                 .index          = idx,                          \
1644                 .fifo_size      = maxpkt,                       \
1645                 .nr_banks       = maxbk,                        \
1646                 .can_dma        = dma,                          \
1647                 .can_isoc       = isoc,                         \
1648         }
1649
1650 static struct usba_ep_data at32_usba_ep[] __initdata = {
1651         EP("ep0",     0,   64, 1, 0, 0),
1652         EP("ep1",     1,  512, 2, 1, 1),
1653         EP("ep2",     2,  512, 2, 1, 1),
1654         EP("ep3-int", 3,   64, 3, 1, 0),
1655         EP("ep4-int", 4,   64, 3, 1, 0),
1656         EP("ep5",     5, 1024, 3, 1, 1),
1657         EP("ep6",     6, 1024, 3, 1, 1),
1658 };
1659
1660 #undef EP
1661
1662 struct platform_device *__init
1663 at32_add_device_usba(unsigned int id, struct usba_platform_data *data)
1664 {
1665         /*
1666          * pdata doesn't have room for any endpoints, so we need to
1667          * append room for the ones we need right after it.
1668          */
1669         struct {
1670                 struct usba_platform_data pdata;
1671                 struct usba_ep_data ep[7];
1672         } usba_data;
1673         struct platform_device *pdev;
1674
1675         if (id != 0)
1676                 return NULL;
1677
1678         pdev = platform_device_alloc("atmel_usba_udc", 0);
1679         if (!pdev)
1680                 return NULL;
1681
1682         if (platform_device_add_resources(pdev, usba0_resource,
1683                                           ARRAY_SIZE(usba0_resource)))
1684                 goto out_free_pdev;
1685
1686         if (data)
1687                 usba_data.pdata.vbus_pin = data->vbus_pin;
1688         else
1689                 usba_data.pdata.vbus_pin = -EINVAL;
1690
1691         data = &usba_data.pdata;
1692         data->num_ep = ARRAY_SIZE(at32_usba_ep);
1693         memcpy(data->ep, at32_usba_ep, sizeof(at32_usba_ep));
1694
1695         if (platform_device_add_data(pdev, data, sizeof(usba_data)))
1696                 goto out_free_pdev;
1697
1698         if (data->vbus_pin >= 0)
1699                 at32_select_gpio(data->vbus_pin, 0);
1700
1701         usba0_pclk.dev = &pdev->dev;
1702         usba0_hclk.dev = &pdev->dev;
1703
1704         platform_device_add(pdev);
1705
1706         return pdev;
1707
1708 out_free_pdev:
1709         platform_device_put(pdev);
1710         return NULL;
1711 }
1712
1713 /* --------------------------------------------------------------------
1714  * IDE / CompactFlash
1715  * -------------------------------------------------------------------- */
1716 #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7001)
1717 static struct resource at32_smc_cs4_resource[] __initdata = {
1718         {
1719                 .start  = 0x04000000,
1720                 .end    = 0x07ffffff,
1721                 .flags  = IORESOURCE_MEM,
1722         },
1723         IRQ(~0UL), /* Magic IRQ will be overridden */
1724 };
1725 static struct resource at32_smc_cs5_resource[] __initdata = {
1726         {
1727                 .start  = 0x20000000,
1728                 .end    = 0x23ffffff,
1729                 .flags  = IORESOURCE_MEM,
1730         },
1731         IRQ(~0UL), /* Magic IRQ will be overridden */
1732 };
1733
1734 static int __init at32_init_ide_or_cf(struct platform_device *pdev,
1735                 unsigned int cs, unsigned int extint)
1736 {
1737         static unsigned int extint_pin_map[4] __initdata = {
1738                 GPIO_PIN_PB(25),
1739                 GPIO_PIN_PB(26),
1740                 GPIO_PIN_PB(27),
1741                 GPIO_PIN_PB(28),
1742         };
1743         static bool common_pins_initialized __initdata = false;
1744         unsigned int extint_pin;
1745         int ret;
1746
1747         if (extint >= ARRAY_SIZE(extint_pin_map))
1748                 return -EINVAL;
1749         extint_pin = extint_pin_map[extint];
1750
1751         switch (cs) {
1752         case 4:
1753                 ret = platform_device_add_resources(pdev,
1754                                 at32_smc_cs4_resource,
1755                                 ARRAY_SIZE(at32_smc_cs4_resource));
1756                 if (ret)
1757                         return ret;
1758
1759                 select_peripheral(PE(21), PERIPH_A, 0); /* NCS4   -> OE_N  */
1760                 set_ebi_sfr_bits(HMATRIX_BIT(CS4A));
1761                 break;
1762         case 5:
1763                 ret = platform_device_add_resources(pdev,
1764                                 at32_smc_cs5_resource,
1765                                 ARRAY_SIZE(at32_smc_cs5_resource));
1766                 if (ret)
1767                         return ret;
1768
1769                 select_peripheral(PE(22), PERIPH_A, 0); /* NCS5   -> OE_N  */
1770                 set_ebi_sfr_bits(HMATRIX_BIT(CS5A));
1771                 break;
1772         default:
1773                 return -EINVAL;
1774         }
1775
1776         if (!common_pins_initialized) {
1777                 select_peripheral(PE(19), PERIPH_A, 0); /* CFCE1  -> CS0_N */
1778                 select_peripheral(PE(20), PERIPH_A, 0); /* CFCE2  -> CS1_N */
1779                 select_peripheral(PE(23), PERIPH_A, 0); /* CFRNW  -> DIR   */
1780                 select_peripheral(PE(24), PERIPH_A, 0); /* NWAIT  <- IORDY */
1781                 common_pins_initialized = true;
1782         }
1783
1784         at32_select_periph(extint_pin, GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
1785
1786         pdev->resource[1].start = EIM_IRQ_BASE + extint;
1787         pdev->resource[1].end = pdev->resource[1].start;
1788
1789         return 0;
1790 }
1791
1792 struct platform_device *__init
1793 at32_add_device_ide(unsigned int id, unsigned int extint,
1794                     struct ide_platform_data *data)
1795 {
1796         struct platform_device *pdev;
1797
1798         pdev = platform_device_alloc("at32_ide", id);
1799         if (!pdev)
1800                 goto fail;
1801
1802         if (platform_device_add_data(pdev, data,
1803                                 sizeof(struct ide_platform_data)))
1804                 goto fail;
1805
1806         if (at32_init_ide_or_cf(pdev, data->cs, extint))
1807                 goto fail;
1808
1809         platform_device_add(pdev);
1810         return pdev;
1811
1812 fail:
1813         platform_device_put(pdev);
1814         return NULL;
1815 }
1816
1817 struct platform_device *__init
1818 at32_add_device_cf(unsigned int id, unsigned int extint,
1819                     struct cf_platform_data *data)
1820 {
1821         struct platform_device *pdev;
1822
1823         pdev = platform_device_alloc("at32_cf", id);
1824         if (!pdev)
1825                 goto fail;
1826
1827         if (platform_device_add_data(pdev, data,
1828                                 sizeof(struct cf_platform_data)))
1829                 goto fail;
1830
1831         if (at32_init_ide_or_cf(pdev, data->cs, extint))
1832                 goto fail;
1833
1834         if (data->detect_pin != GPIO_PIN_NONE)
1835                 at32_select_gpio(data->detect_pin, AT32_GPIOF_DEGLITCH);
1836         if (data->reset_pin != GPIO_PIN_NONE)
1837                 at32_select_gpio(data->reset_pin, 0);
1838         if (data->vcc_pin != GPIO_PIN_NONE)
1839                 at32_select_gpio(data->vcc_pin, 0);
1840         /* READY is used as extint, so we can't select it as gpio */
1841
1842         platform_device_add(pdev);
1843         return pdev;
1844
1845 fail:
1846         platform_device_put(pdev);
1847         return NULL;
1848 }
1849 #endif
1850
1851 /* --------------------------------------------------------------------
1852  * AC97C
1853  * -------------------------------------------------------------------- */
1854 static struct resource atmel_ac97c0_resource[] __initdata = {
1855         PBMEM(0xfff02800),
1856         IRQ(29),
1857 };
1858 static struct clk atmel_ac97c0_pclk = {
1859         .name           = "pclk",
1860         .parent         = &pbb_clk,
1861         .mode           = pbb_clk_mode,
1862         .get_rate       = pbb_clk_get_rate,
1863         .index          = 10,
1864 };
1865
1866 struct platform_device *__init at32_add_device_ac97c(unsigned int id)
1867 {
1868         struct platform_device *pdev;
1869
1870         if (id != 0)
1871                 return NULL;
1872
1873         pdev = platform_device_alloc("atmel_ac97c", id);
1874         if (!pdev)
1875                 return NULL;
1876
1877         if (platform_device_add_resources(pdev, atmel_ac97c0_resource,
1878                                 ARRAY_SIZE(atmel_ac97c0_resource)))
1879                 goto err_add_resources;
1880
1881         select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */
1882         select_peripheral(PB(21), PERIPH_B, 0); /* SDO  */
1883         select_peripheral(PB(22), PERIPH_B, 0); /* SDI  */
1884         select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */
1885
1886         atmel_ac97c0_pclk.dev = &pdev->dev;
1887
1888         platform_device_add(pdev);
1889         return pdev;
1890
1891 err_add_resources:
1892         platform_device_put(pdev);
1893         return NULL;
1894 }
1895
1896 /* --------------------------------------------------------------------
1897  * ABDAC
1898  * -------------------------------------------------------------------- */
1899 static struct resource abdac0_resource[] __initdata = {
1900         PBMEM(0xfff02000),
1901         IRQ(27),
1902 };
1903 static struct clk abdac0_pclk = {
1904         .name           = "pclk",
1905         .parent         = &pbb_clk,
1906         .mode           = pbb_clk_mode,
1907         .get_rate       = pbb_clk_get_rate,
1908         .index          = 8,
1909 };
1910 static struct clk abdac0_sample_clk = {
1911         .name           = "sample_clk",
1912         .mode           = genclk_mode,
1913         .get_rate       = genclk_get_rate,
1914         .set_rate       = genclk_set_rate,
1915         .set_parent     = genclk_set_parent,
1916         .index          = 6,
1917 };
1918
1919 struct platform_device *__init at32_add_device_abdac(unsigned int id)
1920 {
1921         struct platform_device *pdev;
1922
1923         if (id != 0)
1924                 return NULL;
1925
1926         pdev = platform_device_alloc("abdac", id);
1927         if (!pdev)
1928                 return NULL;
1929
1930         if (platform_device_add_resources(pdev, abdac0_resource,
1931                                 ARRAY_SIZE(abdac0_resource)))
1932                 goto err_add_resources;
1933
1934         select_peripheral(PB(20), PERIPH_A, 0); /* DATA1        */
1935         select_peripheral(PB(21), PERIPH_A, 0); /* DATA0        */
1936         select_peripheral(PB(22), PERIPH_A, 0); /* DATAN1       */
1937         select_peripheral(PB(23), PERIPH_A, 0); /* DATAN0       */
1938
1939         abdac0_pclk.dev = &pdev->dev;
1940         abdac0_sample_clk.dev = &pdev->dev;
1941
1942         platform_device_add(pdev);
1943         return pdev;
1944
1945 err_add_resources:
1946         platform_device_put(pdev);
1947         return NULL;
1948 }
1949
1950 /* --------------------------------------------------------------------
1951  *  GCLK
1952  * -------------------------------------------------------------------- */
1953 static struct clk gclk0 = {
1954         .name           = "gclk0",
1955         .mode           = genclk_mode,
1956         .get_rate       = genclk_get_rate,
1957         .set_rate       = genclk_set_rate,
1958         .set_parent     = genclk_set_parent,
1959         .index          = 0,
1960 };
1961 static struct clk gclk1 = {
1962         .name           = "gclk1",
1963         .mode           = genclk_mode,
1964         .get_rate       = genclk_get_rate,
1965         .set_rate       = genclk_set_rate,
1966         .set_parent     = genclk_set_parent,
1967         .index          = 1,
1968 };
1969 static struct clk gclk2 = {
1970         .name           = "gclk2",
1971         .mode           = genclk_mode,
1972         .get_rate       = genclk_get_rate,
1973         .set_rate       = genclk_set_rate,
1974         .set_parent     = genclk_set_parent,
1975         .index          = 2,
1976 };
1977 static struct clk gclk3 = {
1978         .name           = "gclk3",
1979         .mode           = genclk_mode,
1980         .get_rate       = genclk_get_rate,
1981         .set_rate       = genclk_set_rate,
1982         .set_parent     = genclk_set_parent,
1983         .index          = 3,
1984 };
1985 static struct clk gclk4 = {
1986         .name           = "gclk4",
1987         .mode           = genclk_mode,
1988         .get_rate       = genclk_get_rate,
1989         .set_rate       = genclk_set_rate,
1990         .set_parent     = genclk_set_parent,
1991         .index          = 4,
1992 };
1993
1994 struct clk *at32_clock_list[] = {
1995         &osc32k,
1996         &osc0,
1997         &osc1,
1998         &pll0,
1999         &pll1,
2000         &cpu_clk,
2001         &hsb_clk,
2002         &pba_clk,
2003         &pbb_clk,
2004         &at32_pm_pclk,
2005         &at32_intc0_pclk,
2006         &hmatrix_clk,
2007         &ebi_clk,
2008         &hramc_clk,
2009         &sdramc_clk,
2010         &smc0_pclk,
2011         &smc0_mck,
2012         &pdc_hclk,
2013         &pdc_pclk,
2014         &dmaca0_hclk,
2015         &pico_clk,
2016         &pio0_mck,
2017         &pio1_mck,
2018         &pio2_mck,
2019         &pio3_mck,
2020         &pio4_mck,
2021         &at32_tcb0_t0_clk,
2022         &at32_tcb1_t0_clk,
2023         &atmel_psif0_pclk,
2024         &atmel_psif1_pclk,
2025         &atmel_usart0_usart,
2026         &atmel_usart1_usart,
2027         &atmel_usart2_usart,
2028         &atmel_usart3_usart,
2029         &atmel_pwm0_mck,
2030 #if defined(CONFIG_CPU_AT32AP7000)
2031         &macb0_hclk,
2032         &macb0_pclk,
2033         &macb1_hclk,
2034         &macb1_pclk,
2035 #endif
2036         &atmel_spi0_spi_clk,
2037         &atmel_spi1_spi_clk,
2038         &atmel_twi0_pclk,
2039         &atmel_mci0_pclk,
2040 #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002)
2041         &atmel_lcdfb0_hck1,
2042         &atmel_lcdfb0_pixclk,
2043 #endif
2044         &ssc0_pclk,
2045         &ssc1_pclk,
2046         &ssc2_pclk,
2047         &usba0_hclk,
2048         &usba0_pclk,
2049         &atmel_ac97c0_pclk,
2050         &abdac0_pclk,
2051         &abdac0_sample_clk,
2052         &gclk0,
2053         &gclk1,
2054         &gclk2,
2055         &gclk3,
2056         &gclk4,
2057 };
2058 unsigned int at32_nr_clocks = ARRAY_SIZE(at32_clock_list);
2059
2060 void __init setup_platform(void)
2061 {
2062         u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0;
2063         int i;
2064
2065         if (pm_readl(MCCTRL) & PM_BIT(PLLSEL)) {
2066                 main_clock = &pll0;
2067                 cpu_clk.parent = &pll0;
2068         } else {
2069                 main_clock = &osc0;
2070                 cpu_clk.parent = &osc0;
2071         }
2072
2073         if (pm_readl(PLL0) & PM_BIT(PLLOSC))
2074                 pll0.parent = &osc1;
2075         if (pm_readl(PLL1) & PM_BIT(PLLOSC))
2076                 pll1.parent = &osc1;
2077
2078         genclk_init_parent(&gclk0);
2079         genclk_init_parent(&gclk1);
2080         genclk_init_parent(&gclk2);
2081         genclk_init_parent(&gclk3);
2082         genclk_init_parent(&gclk4);
2083 #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002)
2084         genclk_init_parent(&atmel_lcdfb0_pixclk);
2085 #endif
2086         genclk_init_parent(&abdac0_sample_clk);
2087
2088         /*
2089          * Turn on all clocks that have at least one user already, and
2090          * turn off everything else. We only do this for module
2091          * clocks, and even though it isn't particularly pretty to
2092          * check the address of the mode function, it should do the
2093          * trick...
2094          */
2095         for (i = 0; i < ARRAY_SIZE(at32_clock_list); i++) {
2096                 struct clk *clk = at32_clock_list[i];
2097
2098                 if (clk->users == 0)
2099                         continue;
2100
2101                 if (clk->mode == &cpu_clk_mode)
2102                         cpu_mask |= 1 << clk->index;
2103                 else if (clk->mode == &hsb_clk_mode)
2104                         hsb_mask |= 1 << clk->index;
2105                 else if (clk->mode == &pba_clk_mode)
2106                         pba_mask |= 1 << clk->index;
2107                 else if (clk->mode == &pbb_clk_mode)
2108                         pbb_mask |= 1 << clk->index;
2109         }
2110
2111         pm_writel(CPU_MASK, cpu_mask);
2112         pm_writel(HSB_MASK, hsb_mask);
2113         pm_writel(PBA_MASK, pba_mask);
2114         pm_writel(PBB_MASK, pbb_mask);
2115
2116         /* Initialize the port muxes */
2117         at32_init_pio(&pio0_device);
2118         at32_init_pio(&pio1_device);
2119         at32_init_pio(&pio2_device);
2120         at32_init_pio(&pio3_device);
2121         at32_init_pio(&pio4_device);
2122 }