arch/arm/mach-omap2/pdata-quirks.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Legacy platform_data quirks
   4  *
   5  * Copyright (C) 2013 Texas Instruments
   6  */
   7 #include <linux/clk.h>
   8 #include <linux/davinci_emac.h>
   9 #include <linux/gpio.h>
  10 #include <linux/init.h>
  11 #include <linux/kernel.h>
  12 #include <linux/of_platform.h>
  13 #include <linux/wl12xx.h>
  14 #include <linux/mmc/card.h>
  15 #include <linux/mmc/host.h>
  16 #include <linux/power/smartreflex.h>
  17 #include <linux/regulator/machine.h>
  18 #include <linux/regulator/fixed.h>
  19
  20 #include <linux/platform_data/pinctrl-single.h>
  21 #include <linux/platform_data/hsmmc-omap.h>
  22 #include <linux/platform_data/iommu-omap.h>
  23 #include <linux/platform_data/ti-sysc.h>
  24 #include <linux/platform_data/wkup_m3.h>
  25 #include <linux/platform_data/asoc-ti-mcbsp.h>
  26 #include <linux/platform_data/ti-prm.h>
  27
  28 #include "clockdomain.h"
  29 #include "common.h"
  30 #include "common-board-devices.h"
  31 #include "control.h"
  32 #include "omap_device.h"
  33 #include "omap-secure.h"
  34 #include "soc.h"
  35
  36 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
  37
  38 struct pdata_init {
  39         const char *compatible;
  40         void (*fn)(void);
  41 };
  42
  43 static struct of_dev_auxdata omap_auxdata_lookup[];
  44 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
  45
  46 #ifdef CONFIG_MACH_NOKIA_N8X0
  47 static void __init omap2420_n8x0_legacy_init(void)
  48 {
  49         omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
  50 }
  51 #else
  52 #define omap2420_n8x0_legacy_init       NULL
  53 #endif
  54
  55 #ifdef CONFIG_ARCH_OMAP3
  56 /*
  57  * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
  58  * mode for MMC1 in case bootloader did not configure things.
  59  * Note that if the pins are used for MMC1, pbias-regulator
  60  * manages the IO voltage.
  61  */
  62 static void __init omap3_gpio126_127_129(void)
  63 {
  64         u32 reg;
  65
  66         reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
  67         reg &= ~OMAP343X_PBIASLITEVMODE1;
  68         reg |= OMAP343X_PBIASLITEPWRDNZ1;
  69         omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
  70         if (cpu_is_omap3630()) {
  71                 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
  72                 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
  73                 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
  74         }
  75 }
  76
  77 static void __init hsmmc2_internal_input_clk(void)
  78 {
  79         u32 reg;
  80
  81         reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
  82         reg |= OMAP2_MMCSDIO2ADPCLKISEL;
  83         omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
  84 }
  85
  86 #ifdef CONFIG_OMAP_HWMOD
  87 static struct iommu_platform_data omap3_iommu_pdata = {
  88         .reset_name = "mmu",
  89         .assert_reset = omap_device_assert_hardreset,
  90         .deassert_reset = omap_device_deassert_hardreset,
  91         .device_enable = omap_device_enable,
  92         .device_idle = omap_device_idle,
  93 };
  94
  95 static struct iommu_platform_data omap3_iommu_isp_pdata = {
  96         .device_enable = omap_device_enable,
  97         .device_idle = omap_device_idle,
  98 };
  99 #endif
 100
 101 static int omap3_sbc_t3730_twl_callback(struct device *dev,
 102                                            unsigned gpio,
 103                                            unsigned ngpio)
 104 {
 105         int res;
 106
 107         res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
 108                                "wlan pwr");
 109         if (res)
 110                 return res;
 111
 112         gpio_export(gpio, 0);
 113
 114         return 0;
 115 }
 116
 117 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
 118 {
 119         int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
 120
 121         if (err) {
 122                 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
 123                         hub_name, err);
 124                 return;
 125         }
 126
 127         gpio_export(gpio, 0);
 128
 129         udelay(10);
 130         gpio_set_value(gpio, 1);
 131         msleep(1);
 132 }
 133
 134 static void __init omap3_sbc_t3730_twl_init(void)
 135 {
 136         twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
 137 }
 138
 139 static void __init omap3_sbc_t3730_legacy_init(void)
 140 {
 141         omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
 142 }
 143
 144 static void __init omap3_sbc_t3530_legacy_init(void)
 145 {
 146         omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
 147 }
 148
 149 static void __init omap3_evm_legacy_init(void)
 150 {
 151         hsmmc2_internal_input_clk();
 152 }
 153
 154 static void am35xx_enable_emac_int(void)
 155 {
 156         u32 v;
 157
 158         v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
 159         v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
 160               AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
 161         omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
 162         omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
 163 }
 164
 165 static void am35xx_disable_emac_int(void)
 166 {
 167         u32 v;
 168
 169         v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
 170         v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
 171         omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
 172         omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
 173 }
 174
 175 static struct emac_platform_data am35xx_emac_pdata = {
 176         .interrupt_enable       = am35xx_enable_emac_int,
 177         .interrupt_disable      = am35xx_disable_emac_int,
 178 };
 179
 180 static void __init am35xx_emac_reset(void)
 181 {
 182         u32 v;
 183
 184         v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
 185         v &= ~AM35XX_CPGMACSS_SW_RST;
 186         omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
 187         omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
 188 }
 189
 190 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
 191         { 56,   GPIOF_OUT_INIT_HIGH,    "wlan pwr" },
 192         { 4,    GPIOF_OUT_INIT_HIGH,    "xcvr noe" },
 193 };
 194
 195 static void __init omap3_sbc_t3517_wifi_init(void)
 196 {
 197         int err = gpio_request_array(cm_t3517_wlan_gpios,
 198                                 ARRAY_SIZE(cm_t3517_wlan_gpios));
 199         if (err) {
 200                 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
 201                 return;
 202         }
 203
 204         gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
 205         gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
 206
 207         msleep(100);
 208         gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
 209 }
 210
 211 static void __init omap3_sbc_t3517_legacy_init(void)
 212 {
 213         omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
 214         omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
 215         am35xx_emac_reset();
 216         hsmmc2_internal_input_clk();
 217         omap3_sbc_t3517_wifi_init();
 218 }
 219
 220 static void __init am3517_evm_legacy_init(void)
 221 {
 222         am35xx_emac_reset();
 223 }
 224
 225 static void __init nokia_n900_legacy_init(void)
 226 {
 227         hsmmc2_internal_input_clk();
 228         mmc_pdata[0].name = "external";
 229         mmc_pdata[1].name = "internal";
 230
 231         if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
 232                 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
 233                         pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
 234                         /* set IBE to 1 */
 235                         rx51_secure_update_aux_cr(BIT(6), 0);
 236                 } else {
 237                         pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
 238                         pr_warn("Thumb binaries may crash randomly without this workaround\n");
 239                 }
 240         }
 241 }
 242
 243 static void __init omap3_tao3530_legacy_init(void)
 244 {
 245         hsmmc2_internal_input_clk();
 246 }
 247
 248 static void __init omap3_logicpd_torpedo_init(void)
 249 {
 250         omap3_gpio126_127_129();
 251 }
 252
 253 /* omap3pandora legacy devices */
 254
 255 static struct platform_device pandora_backlight = {
 256         .name   = "pandora-backlight",
 257         .id     = -1,
 258 };
 259
 260 static void __init omap3_pandora_legacy_init(void)
 261 {
 262         platform_device_register(&pandora_backlight);
 263 }
 264 #endif /* CONFIG_ARCH_OMAP3 */
 265
 266 #ifdef CONFIG_SOC_DRA7XX
 267 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = {
 268         .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint,
 269 };
 270 #endif
 271
 272 static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
 273 {
 274         struct clk_hw *hw = __clk_get_hw(clk);
 275         struct clockdomain *clkdm = NULL;
 276         struct clk_hw_omap *hwclk;
 277
 278         hwclk = to_clk_hw_omap(hw);
 279         if (!omap2_clk_is_hw_omap(hw))
 280                 return NULL;
 281
 282         if (hwclk && hwclk->clkdm_name)
 283                 clkdm = clkdm_lookup(hwclk->clkdm_name);
 284
 285         return clkdm;
 286 }
 287
 288 /**
 289  * ti_sysc_clkdm_init - find clockdomain based on clock
 290  * @fck: device functional clock
 291  * @ick: device interface clock
 292  * @dev: struct device
 293  *
 294  * Populate clockdomain based on clock. It is needed for
 295  * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
 296  * clockdomain idle during reset, enable and idle.
 297  *
 298  * Note that we assume interconnect driver manages the clocks
 299  * and do not need to populate oh->_clk for dynamically
 300  * allocated modules.
 301  */
 302 static int ti_sysc_clkdm_init(struct device *dev,
 303                               struct clk *fck, struct clk *ick,
 304                               struct ti_sysc_cookie *cookie)
 305 {
 306         if (!IS_ERR(fck))
 307                 cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
 308         if (cookie->clkdm)
 309                 return 0;
 310         if (!IS_ERR(ick))
 311                 cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
 312         if (cookie->clkdm)
 313                 return 0;
 314
 315         return -ENODEV;
 316 }
 317
 318 static void ti_sysc_clkdm_deny_idle(struct device *dev,
 319                                     const struct ti_sysc_cookie *cookie)
 320 {
 321         if (cookie->clkdm)
 322                 clkdm_deny_idle(cookie->clkdm);
 323 }
 324
 325 static void ti_sysc_clkdm_allow_idle(struct device *dev,
 326                                      const struct ti_sysc_cookie *cookie)
 327 {
 328         if (cookie->clkdm)
 329                 clkdm_allow_idle(cookie->clkdm);
 330 }
 331
 332 #ifdef CONFIG_OMAP_HWMOD
 333 static int ti_sysc_enable_module(struct device *dev,
 334                                  const struct ti_sysc_cookie *cookie)
 335 {
 336         if (!cookie->data)
 337                 return -EINVAL;
 338
 339         return omap_hwmod_enable(cookie->data);
 340 }
 341
 342 static int ti_sysc_idle_module(struct device *dev,
 343                                const struct ti_sysc_cookie *cookie)
 344 {
 345         if (!cookie->data)
 346                 return -EINVAL;
 347
 348         return omap_hwmod_idle(cookie->data);
 349 }
 350
 351 static int ti_sysc_shutdown_module(struct device *dev,
 352                                    const struct ti_sysc_cookie *cookie)
 353 {
 354         if (!cookie->data)
 355                 return -EINVAL;
 356
 357         return omap_hwmod_shutdown(cookie->data);
 358 }
 359 #endif  /* CONFIG_OMAP_HWMOD */
 360
 361 static bool ti_sysc_soc_type_gp(void)
 362 {
 363         return omap_type() == OMAP2_DEVICE_TYPE_GP;
 364 }
 365
 366 static struct of_dev_auxdata omap_auxdata_lookup[];
 367
 368 static struct ti_sysc_platform_data ti_sysc_pdata = {
 369         .auxdata = omap_auxdata_lookup,
 370         .soc_type_gp = ti_sysc_soc_type_gp,
 371         .init_clockdomain = ti_sysc_clkdm_init,
 372         .clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
 373         .clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
 374 #ifdef CONFIG_OMAP_HWMOD
 375         .init_module = omap_hwmod_init_module,
 376         .enable_module = ti_sysc_enable_module,
 377         .idle_module = ti_sysc_idle_module,
 378         .shutdown_module = ti_sysc_shutdown_module,
 379 #endif
 380 };
 381
 382 static struct pcs_pdata pcs_pdata;
 383
 384 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
 385 {
 386         pcs_pdata.irq = irq;
 387         pcs_pdata.rearm = rearm;
 388 }
 389
 390 static struct ti_prm_platform_data ti_prm_pdata = {
 391         .clkdm_deny_idle = clkdm_deny_idle,
 392         .clkdm_allow_idle = clkdm_allow_idle,
 393         .clkdm_lookup = clkdm_lookup,
 394 };
 395
 396 /*
 397  * GPIOs for TWL are initialized by the I2C bus and need custom
 398  * handing until DSS has device tree bindings.
 399  */
 400 void omap_auxdata_legacy_init(struct device *dev)
 401 {
 402         if (dev->platform_data)
 403                 return;
 404
 405         if (strcmp("twl4030-gpio", dev_name(dev)))
 406                 return;
 407
 408         dev->platform_data = &twl_gpio_auxdata;
 409 }
 410
 411 #if defined(CONFIG_ARCH_OMAP3) && IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
 412 static struct omap_mcbsp_platform_data mcbsp_pdata;
 413 static void __init omap3_mcbsp_init(void)
 414 {
 415         omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
 416 }
 417 #else
 418 static void __init omap3_mcbsp_init(void) {}
 419 #endif
 420
 421 /*
 422  * Few boards still need auxdata populated before we populate
 423  * the dev entries in of_platform_populate().
 424  */
 425 static struct pdata_init auxdata_quirks[] __initdata = {
 426 #ifdef CONFIG_SOC_OMAP2420
 427         { "nokia,n800", omap2420_n8x0_legacy_init, },
 428         { "nokia,n810", omap2420_n8x0_legacy_init, },
 429         { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
 430 #endif
 431 #ifdef CONFIG_ARCH_OMAP3
 432         { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
 433 #endif
 434         { /* sentinel */ },
 435 };
 436
 437 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
 438
 439 static struct of_dev_auxdata omap_auxdata_lookup[] = {
 440 #ifdef CONFIG_MACH_NOKIA_N8X0
 441         OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
 442         OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
 443         OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
 444 #endif
 445 #ifdef CONFIG_ARCH_OMAP3
 446         OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
 447                        &omap3_iommu_pdata),
 448         OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
 449                        &omap3_iommu_isp_pdata),
 450         OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
 451                        "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
 452         OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
 453                        "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
 454         OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
 455         OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
 456         /* Only on am3517 */
 457         OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
 458         OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
 459                        &am35xx_emac_pdata),
 460         OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
 461         /* McBSP modules with sidetone core */
 462 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
 463         OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
 464         OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
 465 #endif
 466 #endif
 467 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
 468         OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
 469                        "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
 470         OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
 471                        "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
 472         OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
 473                        "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
 474 #endif
 475 #ifdef CONFIG_SOC_DRA7XX
 476         OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
 477                        &dra7_ipu1_dsp_iommu_pdata),
 478         OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
 479                        &dra7_ipu1_dsp_iommu_pdata),
 480         OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
 481                        &dra7_ipu1_dsp_iommu_pdata),
 482 #endif
 483         /* Common auxdata */
 484         OF_DEV_AUXDATA("simple-pm-bus", 0, NULL, omap_auxdata_lookup),
 485         OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
 486         OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
 487         OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata),
 488         OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info),
 489         { /* sentinel */ },
 490 };
 491
 492 /*
 493  * Few boards still need to initialize some legacy devices with
 494  * platform data until the drivers support device tree.
 495  */
 496 static struct pdata_init pdata_quirks[] __initdata = {
 497 #ifdef CONFIG_ARCH_OMAP3
 498         { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
 499         { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
 500         { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
 501         { "nokia,omap3-n900", nokia_n900_legacy_init, },
 502         { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
 503         { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
 504         { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
 505         { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
 506         { "ti,am3517-evm", am3517_evm_legacy_init, },
 507         { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
 508         { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
 509         { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
 510 #endif
 511         { /* sentinel */ },
 512 };
 513
 514 static void pdata_quirks_check(struct pdata_init *quirks)
 515 {
 516         while (quirks->compatible) {
 517                 if (of_machine_is_compatible(quirks->compatible)) {
 518                         if (quirks->fn)
 519                                 quirks->fn();
 520                 }
 521                 quirks++;
 522         }
 523 }
 524
 525 static const char * const pdata_quirks_init_nodes[] = {
 526         "prcm",
 527         "prm",
 528 };
 529
 530 static void __init
 531 pdata_quirks_init_clocks(const struct of_device_id *omap_dt_match_table)
 532 {
 533         struct device_node *np;
 534         int i;
 535
 536         for (i = 0; i < ARRAY_SIZE(pdata_quirks_init_nodes); i++) {
 537                 np = of_find_node_by_name(NULL, pdata_quirks_init_nodes[i]);
 538                 if (!np)
 539                         continue;
 540
 541                 of_platform_populate(np, omap_dt_match_table,
 542                                      omap_auxdata_lookup, NULL);
 543
 544                 of_node_put(np);
 545         }
 546 }
 547
 548 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
 549 {
 550         /*
 551          * We still need this for omap2420 and omap3 PM to work, others are
 552          * using drivers/misc/sram.c already.
 553          */
 554         if (of_machine_is_compatible("ti,omap2420") ||
 555             of_machine_is_compatible("ti,omap3"))
 556                 omap_sdrc_init(NULL, NULL);
 557
 558         if (of_machine_is_compatible("ti,omap3"))
 559                 omap3_mcbsp_init();
 560         pdata_quirks_check(auxdata_quirks);
 561
 562         pdata_quirks_init_clocks(omap_dt_match_table);
 563
 564         of_platform_populate(NULL, omap_dt_match_table,
 565                              omap_auxdata_lookup, NULL);
 566         pdata_quirks_check(pdata_quirks);
 567 }