ARM: shmobile: r8a7791: Prioritize DT APMU support
[cascardo/linux.git] / arch / arm / mach-omap2 / pdata-quirks.c
1 /*
2  * Legacy platform_data quirks
3  *
4  * Copyright (C) 2013 Texas Instruments
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 #include <linux/clk.h>
11 #include <linux/davinci_emac.h>
12 #include <linux/gpio.h>
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/of_platform.h>
16 #include <linux/ti_wilink_st.h>
17 #include <linux/wl12xx.h>
18 #include <linux/mmc/card.h>
19 #include <linux/mmc/host.h>
20 #include <linux/regulator/machine.h>
21 #include <linux/regulator/fixed.h>
22
23 #include <linux/platform_data/pinctrl-single.h>
24 #include <linux/platform_data/hsmmc-omap.h>
25 #include <linux/platform_data/iommu-omap.h>
26 #include <linux/platform_data/wkup_m3.h>
27 #include <linux/platform_data/pwm_omap_dmtimer.h>
28 #include <linux/platform_data/media/ir-rx51.h>
29 #include <plat/dmtimer.h>
30
31 #include "common.h"
32 #include "common-board-devices.h"
33 #include "dss-common.h"
34 #include "control.h"
35 #include "omap_device.h"
36 #include "omap-pm.h"
37 #include "omap-secure.h"
38 #include "soc.h"
39 #include "hsmmc.h"
40
41 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
42
43 struct pdata_init {
44         const char *compatible;
45         void (*fn)(void);
46 };
47
48 static struct of_dev_auxdata omap_auxdata_lookup[];
49 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
50
51 #ifdef CONFIG_MACH_NOKIA_N8X0
52 static void __init omap2420_n8x0_legacy_init(void)
53 {
54         omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
55 }
56 #else
57 #define omap2420_n8x0_legacy_init       NULL
58 #endif
59
60 #ifdef CONFIG_ARCH_OMAP3
61 /*
62  * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
63  * mode for MMC1 in case bootloader did not configure things.
64  * Note that if the pins are used for MMC1, pbias-regulator
65  * manages the IO voltage.
66  */
67 static void __init omap3_gpio126_127_129(void)
68 {
69         u32 reg;
70
71         reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
72         reg &= ~OMAP343X_PBIASLITEVMODE1;
73         reg |= OMAP343X_PBIASLITEPWRDNZ1;
74         omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
75         if (cpu_is_omap3630()) {
76                 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
77                 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
78                 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
79         }
80 }
81
82 static void __init hsmmc2_internal_input_clk(void)
83 {
84         u32 reg;
85
86         reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
87         reg |= OMAP2_MMCSDIO2ADPCLKISEL;
88         omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
89 }
90
91 static struct iommu_platform_data omap3_iommu_pdata = {
92         .reset_name = "mmu",
93         .assert_reset = omap_device_assert_hardreset,
94         .deassert_reset = omap_device_deassert_hardreset,
95 };
96
97 static int omap3_sbc_t3730_twl_callback(struct device *dev,
98                                            unsigned gpio,
99                                            unsigned ngpio)
100 {
101         int res;
102
103         res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
104                                "wlan pwr");
105         if (res)
106                 return res;
107
108         gpio_export(gpio, 0);
109
110         return 0;
111 }
112
113 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
114 {
115         int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
116
117         if (err) {
118                 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
119                         hub_name, err);
120                 return;
121         }
122
123         gpio_export(gpio, 0);
124
125         udelay(10);
126         gpio_set_value(gpio, 1);
127         msleep(1);
128 }
129
130 static void __init omap3_sbc_t3730_twl_init(void)
131 {
132         twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
133 }
134
135 static void __init omap3_sbc_t3730_legacy_init(void)
136 {
137         omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
138 }
139
140 static void __init omap3_sbc_t3530_legacy_init(void)
141 {
142         omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
143 }
144
145 static struct ti_st_plat_data wilink_pdata = {
146         .nshutdown_gpio = 137,
147         .dev_name = "/dev/ttyO1",
148         .flow_cntrl = 1,
149         .baud_rate = 300000,
150 };
151
152 static struct platform_device wl18xx_device = {
153         .name   = "kim",
154         .id     = -1,
155         .dev    = {
156                 .platform_data = &wilink_pdata,
157         }
158 };
159
160 static struct ti_st_plat_data wilink7_pdata = {
161         .nshutdown_gpio = 162,
162         .dev_name = "/dev/ttyO1",
163         .flow_cntrl = 1,
164         .baud_rate = 300000,
165 };
166
167 static struct platform_device wl128x_device = {
168         .name   = "kim",
169         .id     = -1,
170         .dev    = {
171                 .platform_data = &wilink7_pdata,
172         }
173 };
174
175 static struct platform_device btwilink_device = {
176         .name   = "btwilink",
177         .id     = -1,
178 };
179
180 static void __init omap3_igep0020_rev_f_legacy_init(void)
181 {
182         platform_device_register(&wl18xx_device);
183         platform_device_register(&btwilink_device);
184 }
185
186 static void __init omap3_igep0030_rev_g_legacy_init(void)
187 {
188         platform_device_register(&wl18xx_device);
189         platform_device_register(&btwilink_device);
190 }
191
192 static void __init omap3_evm_legacy_init(void)
193 {
194         hsmmc2_internal_input_clk();
195 }
196
197 static void am35xx_enable_emac_int(void)
198 {
199         u32 v;
200
201         v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
202         v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
203               AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
204         omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
205         omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
206 }
207
208 static void am35xx_disable_emac_int(void)
209 {
210         u32 v;
211
212         v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
213         v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
214         omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
215         omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
216 }
217
218 static struct emac_platform_data am35xx_emac_pdata = {
219         .interrupt_enable       = am35xx_enable_emac_int,
220         .interrupt_disable      = am35xx_disable_emac_int,
221 };
222
223 static void __init am35xx_emac_reset(void)
224 {
225         u32 v;
226
227         v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
228         v &= ~AM35XX_CPGMACSS_SW_RST;
229         omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
230         omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
231 }
232
233 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
234         { 56,   GPIOF_OUT_INIT_HIGH,    "wlan pwr" },
235         { 4,    GPIOF_OUT_INIT_HIGH,    "xcvr noe" },
236 };
237
238 static void __init omap3_sbc_t3517_wifi_init(void)
239 {
240         int err = gpio_request_array(cm_t3517_wlan_gpios,
241                                 ARRAY_SIZE(cm_t3517_wlan_gpios));
242         if (err) {
243                 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
244                 return;
245         }
246
247         gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
248         gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
249
250         msleep(100);
251         gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
252 }
253
254 static void __init omap3_sbc_t3517_legacy_init(void)
255 {
256         omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
257         omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
258         am35xx_emac_reset();
259         hsmmc2_internal_input_clk();
260         omap3_sbc_t3517_wifi_init();
261 }
262
263 static void __init am3517_evm_legacy_init(void)
264 {
265         am35xx_emac_reset();
266 }
267
268 static struct platform_device omap3_rom_rng_device = {
269         .name           = "omap3-rom-rng",
270         .id             = -1,
271         .dev    = {
272                 .platform_data  = rx51_secure_rng_call,
273         },
274 };
275
276 static struct platform_device rx51_lirc_device;
277
278 static void __init nokia_n900_legacy_init(void)
279 {
280         hsmmc2_internal_input_clk();
281         mmc_pdata[0].name = "external";
282         mmc_pdata[1].name = "internal";
283
284         if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
285                 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
286                         pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
287                         /* set IBE to 1 */
288                         rx51_secure_update_aux_cr(BIT(6), 0);
289                 } else {
290                         pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
291                         pr_warn("Thumb binaries may crash randomly without this workaround\n");
292                 }
293
294                 pr_info("RX-51: Registering OMAP3 HWRNG device\n");
295                 platform_device_register(&omap3_rom_rng_device);
296
297         }
298
299         platform_device_register(&rx51_lirc_device);
300 }
301
302 static void __init omap3_tao3530_legacy_init(void)
303 {
304         hsmmc2_internal_input_clk();
305 }
306
307 static void __init omap3_logicpd_torpedo_init(void)
308 {
309         omap3_gpio126_127_129();
310         platform_device_register(&wl128x_device);
311         platform_device_register(&btwilink_device);
312 }
313
314 /* omap3pandora legacy devices */
315 #define PANDORA_WIFI_IRQ_GPIO           21
316 #define PANDORA_WIFI_NRESET_GPIO        23
317
318 static struct platform_device pandora_backlight = {
319         .name   = "pandora-backlight",
320         .id     = -1,
321 };
322
323 static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
324         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
325 };
326
327 static struct regulator_init_data pandora_vmmc3 = {
328         .constraints = {
329                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
330         },
331         .num_consumer_supplies  = ARRAY_SIZE(pandora_vmmc3_supply),
332         .consumer_supplies      = pandora_vmmc3_supply,
333 };
334
335 static struct fixed_voltage_config pandora_vwlan = {
336         .supply_name            = "vwlan",
337         .microvolts             = 1800000, /* 1.8V */
338         .gpio                   = PANDORA_WIFI_NRESET_GPIO,
339         .startup_delay          = 50000, /* 50ms */
340         .enable_high            = 1,
341         .init_data              = &pandora_vmmc3,
342 };
343
344 static struct platform_device pandora_vwlan_device = {
345         .name           = "reg-fixed-voltage",
346         .id             = 1,
347         .dev = {
348                 .platform_data = &pandora_vwlan,
349         },
350 };
351
352 static void pandora_wl1251_init_card(struct mmc_card *card)
353 {
354         /*
355          * We have TI wl1251 attached to MMC3. Pass this information to
356          * SDIO core because it can't be probed by normal methods.
357          */
358         if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
359                 card->quirks |= MMC_QUIRK_NONSTD_SDIO;
360                 card->cccr.wide_bus = 1;
361                 card->cis.vendor = 0x104c;
362                 card->cis.device = 0x9066;
363                 card->cis.blksize = 512;
364                 card->cis.max_dtr = 24000000;
365                 card->ocr = 0x80;
366         }
367 }
368
369 static struct omap2_hsmmc_info pandora_mmc3[] = {
370         {
371                 .mmc            = 3,
372                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
373                 .gpio_cd        = -EINVAL,
374                 .gpio_wp        = -EINVAL,
375                 .init_card      = pandora_wl1251_init_card,
376         },
377         {}      /* Terminator */
378 };
379
380 static void __init pandora_wl1251_init(void)
381 {
382         struct wl1251_platform_data pandora_wl1251_pdata;
383         int ret;
384
385         memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
386
387         pandora_wl1251_pdata.power_gpio = -1;
388
389         ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
390         if (ret < 0)
391                 goto fail;
392
393         pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
394         if (pandora_wl1251_pdata.irq < 0)
395                 goto fail_irq;
396
397         pandora_wl1251_pdata.use_eeprom = true;
398         ret = wl1251_set_platform_data(&pandora_wl1251_pdata);
399         if (ret < 0)
400                 goto fail_irq;
401
402         return;
403
404 fail_irq:
405         gpio_free(PANDORA_WIFI_IRQ_GPIO);
406 fail:
407         pr_err("wl1251 board initialisation failed\n");
408 }
409
410 static void __init omap3_pandora_legacy_init(void)
411 {
412         platform_device_register(&pandora_backlight);
413         platform_device_register(&pandora_vwlan_device);
414         omap_hsmmc_init(pandora_mmc3);
415         omap_hsmmc_late_init(pandora_mmc3);
416         pandora_wl1251_init();
417 }
418 #endif /* CONFIG_ARCH_OMAP3 */
419
420 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
421 static struct iommu_platform_data omap4_iommu_pdata = {
422         .reset_name = "mmu_cache",
423         .assert_reset = omap_device_assert_hardreset,
424         .deassert_reset = omap_device_deassert_hardreset,
425 };
426 #endif
427
428 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
429 static struct wkup_m3_platform_data wkup_m3_data = {
430         .reset_name = "wkup_m3",
431         .assert_reset = omap_device_assert_hardreset,
432         .deassert_reset = omap_device_deassert_hardreset,
433 };
434 #endif
435
436 #ifdef CONFIG_SOC_OMAP5
437 static void __init omap5_uevm_legacy_init(void)
438 {
439 }
440 #endif
441
442 static struct pcs_pdata pcs_pdata;
443
444 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
445 {
446         pcs_pdata.irq = irq;
447         pcs_pdata.rearm = rearm;
448 }
449
450 /*
451  * GPIOs for TWL are initialized by the I2C bus and need custom
452  * handing until DSS has device tree bindings.
453  */
454 void omap_auxdata_legacy_init(struct device *dev)
455 {
456         if (dev->platform_data)
457                 return;
458
459         if (strcmp("twl4030-gpio", dev_name(dev)))
460                 return;
461
462         dev->platform_data = &twl_gpio_auxdata;
463 }
464
465 /* Dual mode timer PWM callbacks platdata */
466 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
467 static struct pwm_omap_dmtimer_pdata pwm_dmtimer_pdata = {
468         .request_by_node = omap_dm_timer_request_by_node,
469         .request_specific = omap_dm_timer_request_specific,
470         .request = omap_dm_timer_request,
471         .set_source = omap_dm_timer_set_source,
472         .get_irq = omap_dm_timer_get_irq,
473         .set_int_enable = omap_dm_timer_set_int_enable,
474         .set_int_disable = omap_dm_timer_set_int_disable,
475         .free = omap_dm_timer_free,
476         .enable = omap_dm_timer_enable,
477         .disable = omap_dm_timer_disable,
478         .get_fclk = omap_dm_timer_get_fclk,
479         .start = omap_dm_timer_start,
480         .stop = omap_dm_timer_stop,
481         .set_load = omap_dm_timer_set_load,
482         .set_match = omap_dm_timer_set_match,
483         .set_pwm = omap_dm_timer_set_pwm,
484         .set_prescaler = omap_dm_timer_set_prescaler,
485         .read_counter = omap_dm_timer_read_counter,
486         .write_counter = omap_dm_timer_write_counter,
487         .read_status = omap_dm_timer_read_status,
488         .write_status = omap_dm_timer_write_status,
489 };
490 #endif
491
492 static struct lirc_rx51_platform_data __maybe_unused rx51_lirc_data = {
493         .set_max_mpu_wakeup_lat = omap_pm_set_max_mpu_wakeup_lat,
494         .pwm_timer = 9, /* Use GPT 9 for CIR */
495 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
496         .dmtimer = &pwm_dmtimer_pdata,
497 #endif
498 };
499
500 static struct platform_device __maybe_unused rx51_lirc_device = {
501         .name           = "lirc_rx51",
502         .id             = -1,
503         .dev            = {
504                 .platform_data = &rx51_lirc_data,
505         },
506 };
507
508 /*
509  * Few boards still need auxdata populated before we populate
510  * the dev entries in of_platform_populate().
511  */
512 static struct pdata_init auxdata_quirks[] __initdata = {
513 #ifdef CONFIG_SOC_OMAP2420
514         { "nokia,n800", omap2420_n8x0_legacy_init, },
515         { "nokia,n810", omap2420_n8x0_legacy_init, },
516         { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
517 #endif
518 #ifdef CONFIG_ARCH_OMAP3
519         { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
520 #endif
521         { /* sentinel */ },
522 };
523
524 static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
525 #ifdef CONFIG_MACH_NOKIA_N8X0
526         OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
527         OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
528         OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
529 #endif
530 #ifdef CONFIG_ARCH_OMAP3
531         OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
532                        &omap3_iommu_pdata),
533         OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
534         OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
535         /* Only on am3517 */
536         OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
537         OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
538                        &am35xx_emac_pdata),
539 #endif
540 #ifdef CONFIG_SOC_AM33XX
541         OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
542                        &wkup_m3_data),
543 #endif
544 #ifdef CONFIG_SOC_AM43XX
545         OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
546                        &wkup_m3_data),
547 #endif
548 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
549         OF_DEV_AUXDATA("ti,omap-dmtimer-pwm", 0, NULL, &pwm_dmtimer_pdata),
550 #endif
551 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
552         OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
553                        &omap4_iommu_pdata),
554         OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
555                        &omap4_iommu_pdata),
556 #endif
557         /* Common auxdata */
558         OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
559         { /* sentinel */ },
560 };
561
562 /*
563  * Few boards still need to initialize some legacy devices with
564  * platform data until the drivers support device tree.
565  */
566 static struct pdata_init pdata_quirks[] __initdata = {
567 #ifdef CONFIG_ARCH_OMAP3
568         { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
569         { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
570         { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
571         { "nokia,omap3-n900", nokia_n900_legacy_init, },
572         { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
573         { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
574         { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
575         { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
576         { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
577         { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
578         { "ti,am3517-evm", am3517_evm_legacy_init, },
579         { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
580         { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
581         { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
582 #endif
583 #ifdef CONFIG_SOC_OMAP5
584         { "ti,omap5-uevm", omap5_uevm_legacy_init, },
585 #endif
586         { /* sentinel */ },
587 };
588
589 static void pdata_quirks_check(struct pdata_init *quirks)
590 {
591         while (quirks->compatible) {
592                 if (of_machine_is_compatible(quirks->compatible)) {
593                         if (quirks->fn)
594                                 quirks->fn();
595                         break;
596                 }
597                 quirks++;
598         }
599 }
600
601 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
602 {
603         /*
604          * We still need this for omap2420 and omap3 PM to work, others are
605          * using drivers/misc/sram.c already.
606          */
607         if (of_machine_is_compatible("ti,omap2420") ||
608             of_machine_is_compatible("ti,omap3"))
609                 omap_sdrc_init(NULL, NULL);
610
611         pdata_quirks_check(auxdata_quirks);
612         of_platform_populate(NULL, omap_dt_match_table,
613                              omap_auxdata_lookup, NULL);
614         pdata_quirks_check(pdata_quirks);
615 }