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0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * Legacy platform_data quirks
0004  *
0005  * Copyright (C) 2013 Texas Instruments
0006  */
0007 #include <linux/clk.h>
0008 #include <linux/davinci_emac.h>
0009 #include <linux/gpio.h>
0010 #include <linux/init.h>
0011 #include <linux/kernel.h>
0012 #include <linux/of_platform.h>
0013 #include <linux/wl12xx.h>
0014 #include <linux/mmc/card.h>
0015 #include <linux/mmc/host.h>
0016 #include <linux/power/smartreflex.h>
0017 #include <linux/regulator/machine.h>
0018 #include <linux/regulator/fixed.h>
0019 
0020 #include <linux/platform_data/pinctrl-single.h>
0021 #include <linux/platform_data/hsmmc-omap.h>
0022 #include <linux/platform_data/iommu-omap.h>
0023 #include <linux/platform_data/ti-sysc.h>
0024 #include <linux/platform_data/wkup_m3.h>
0025 #include <linux/platform_data/asoc-ti-mcbsp.h>
0026 #include <linux/platform_data/ti-prm.h>
0027 
0028 #include "clockdomain.h"
0029 #include "common.h"
0030 #include "common-board-devices.h"
0031 #include "control.h"
0032 #include "omap_device.h"
0033 #include "omap-secure.h"
0034 #include "soc.h"
0035 
0036 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
0037 
0038 struct pdata_init {
0039     const char *compatible;
0040     void (*fn)(void);
0041 };
0042 
0043 static struct of_dev_auxdata omap_auxdata_lookup[];
0044 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
0045 
0046 #ifdef CONFIG_MACH_NOKIA_N8X0
0047 static void __init omap2420_n8x0_legacy_init(void)
0048 {
0049     omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
0050 }
0051 #else
0052 #define omap2420_n8x0_legacy_init   NULL
0053 #endif
0054 
0055 #ifdef CONFIG_ARCH_OMAP3
0056 /*
0057  * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
0058  * mode for MMC1 in case bootloader did not configure things.
0059  * Note that if the pins are used for MMC1, pbias-regulator
0060  * manages the IO voltage.
0061  */
0062 static void __init omap3_gpio126_127_129(void)
0063 {
0064     u32 reg;
0065 
0066     reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
0067     reg &= ~OMAP343X_PBIASLITEVMODE1;
0068     reg |= OMAP343X_PBIASLITEPWRDNZ1;
0069     omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
0070     if (cpu_is_omap3630()) {
0071         reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
0072         reg |= OMAP36XX_GPIO_IO_PWRDNZ;
0073         omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
0074     }
0075 }
0076 
0077 static void __init hsmmc2_internal_input_clk(void)
0078 {
0079     u32 reg;
0080 
0081     reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
0082     reg |= OMAP2_MMCSDIO2ADPCLKISEL;
0083     omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
0084 }
0085 
0086 #ifdef CONFIG_OMAP_HWMOD
0087 static struct iommu_platform_data omap3_iommu_pdata = {
0088     .reset_name = "mmu",
0089     .assert_reset = omap_device_assert_hardreset,
0090     .deassert_reset = omap_device_deassert_hardreset,
0091     .device_enable = omap_device_enable,
0092     .device_idle = omap_device_idle,
0093 };
0094 
0095 static struct iommu_platform_data omap3_iommu_isp_pdata = {
0096     .device_enable = omap_device_enable,
0097     .device_idle = omap_device_idle,
0098 };
0099 #endif
0100 
0101 static int omap3_sbc_t3730_twl_callback(struct device *dev,
0102                        unsigned gpio,
0103                        unsigned ngpio)
0104 {
0105     int res;
0106 
0107     res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
0108                    "wlan pwr");
0109     if (res)
0110         return res;
0111 
0112     gpio_export(gpio, 0);
0113 
0114     return 0;
0115 }
0116 
0117 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
0118 {
0119     int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
0120 
0121     if (err) {
0122         pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
0123             hub_name, err);
0124         return;
0125     }
0126 
0127     gpio_export(gpio, 0);
0128 
0129     udelay(10);
0130     gpio_set_value(gpio, 1);
0131     msleep(1);
0132 }
0133 
0134 static void __init omap3_sbc_t3730_twl_init(void)
0135 {
0136     twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
0137 }
0138 
0139 static void __init omap3_sbc_t3730_legacy_init(void)
0140 {
0141     omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
0142 }
0143 
0144 static void __init omap3_sbc_t3530_legacy_init(void)
0145 {
0146     omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
0147 }
0148 
0149 static void __init omap3_evm_legacy_init(void)
0150 {
0151     hsmmc2_internal_input_clk();
0152 }
0153 
0154 static void am35xx_enable_emac_int(void)
0155 {
0156     u32 v;
0157 
0158     v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
0159     v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
0160           AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
0161     omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
0162     omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
0163 }
0164 
0165 static void am35xx_disable_emac_int(void)
0166 {
0167     u32 v;
0168 
0169     v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
0170     v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
0171     omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
0172     omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
0173 }
0174 
0175 static struct emac_platform_data am35xx_emac_pdata = {
0176     .interrupt_enable   = am35xx_enable_emac_int,
0177     .interrupt_disable  = am35xx_disable_emac_int,
0178 };
0179 
0180 static void __init am35xx_emac_reset(void)
0181 {
0182     u32 v;
0183 
0184     v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
0185     v &= ~AM35XX_CPGMACSS_SW_RST;
0186     omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
0187     omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
0188 }
0189 
0190 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
0191     { 56,   GPIOF_OUT_INIT_HIGH,    "wlan pwr" },
0192     { 4,    GPIOF_OUT_INIT_HIGH,    "xcvr noe" },
0193 };
0194 
0195 static void __init omap3_sbc_t3517_wifi_init(void)
0196 {
0197     int err = gpio_request_array(cm_t3517_wlan_gpios,
0198                 ARRAY_SIZE(cm_t3517_wlan_gpios));
0199     if (err) {
0200         pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
0201         return;
0202     }
0203 
0204     gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
0205     gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
0206 
0207     msleep(100);
0208     gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
0209 }
0210 
0211 static void __init omap3_sbc_t3517_legacy_init(void)
0212 {
0213     omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
0214     omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
0215     am35xx_emac_reset();
0216     hsmmc2_internal_input_clk();
0217     omap3_sbc_t3517_wifi_init();
0218 }
0219 
0220 static void __init am3517_evm_legacy_init(void)
0221 {
0222     am35xx_emac_reset();
0223 }
0224 
0225 static void __init nokia_n900_legacy_init(void)
0226 {
0227     hsmmc2_internal_input_clk();
0228     mmc_pdata[0].name = "external";
0229     mmc_pdata[1].name = "internal";
0230 
0231     if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
0232         if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
0233             pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
0234             /* set IBE to 1 */
0235             rx51_secure_update_aux_cr(BIT(6), 0);
0236         } else {
0237             pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
0238             pr_warn("Thumb binaries may crash randomly without this workaround\n");
0239         }
0240     }
0241 }
0242 
0243 static void __init omap3_tao3530_legacy_init(void)
0244 {
0245     hsmmc2_internal_input_clk();
0246 }
0247 
0248 static void __init omap3_logicpd_torpedo_init(void)
0249 {
0250     omap3_gpio126_127_129();
0251 }
0252 
0253 /* omap3pandora legacy devices */
0254 
0255 static struct platform_device pandora_backlight = {
0256     .name   = "pandora-backlight",
0257     .id = -1,
0258 };
0259 
0260 static void __init omap3_pandora_legacy_init(void)
0261 {
0262     platform_device_register(&pandora_backlight);
0263 }
0264 #endif /* CONFIG_ARCH_OMAP3 */
0265 
0266 #ifdef CONFIG_SOC_DRA7XX
0267 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = {
0268     .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint,
0269 };
0270 #endif
0271 
0272 static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
0273 {
0274     struct clk_hw *hw = __clk_get_hw(clk);
0275     struct clockdomain *clkdm = NULL;
0276     struct clk_hw_omap *hwclk;
0277 
0278     hwclk = to_clk_hw_omap(hw);
0279     if (!omap2_clk_is_hw_omap(hw))
0280         return NULL;
0281 
0282     if (hwclk && hwclk->clkdm_name)
0283         clkdm = clkdm_lookup(hwclk->clkdm_name);
0284 
0285     return clkdm;
0286 }
0287 
0288 /**
0289  * ti_sysc_clkdm_init - find clockdomain based on clock
0290  * @fck: device functional clock
0291  * @ick: device interface clock
0292  * @dev: struct device
0293  *
0294  * Populate clockdomain based on clock. It is needed for
0295  * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
0296  * clockdomain idle during reset, enable and idle.
0297  *
0298  * Note that we assume interconnect driver manages the clocks
0299  * and do not need to populate oh->_clk for dynamically
0300  * allocated modules.
0301  */
0302 static int ti_sysc_clkdm_init(struct device *dev,
0303                   struct clk *fck, struct clk *ick,
0304                   struct ti_sysc_cookie *cookie)
0305 {
0306     if (!IS_ERR(fck))
0307         cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
0308     if (cookie->clkdm)
0309         return 0;
0310     if (!IS_ERR(ick))
0311         cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
0312     if (cookie->clkdm)
0313         return 0;
0314 
0315     return -ENODEV;
0316 }
0317 
0318 static void ti_sysc_clkdm_deny_idle(struct device *dev,
0319                     const struct ti_sysc_cookie *cookie)
0320 {
0321     if (cookie->clkdm)
0322         clkdm_deny_idle(cookie->clkdm);
0323 }
0324 
0325 static void ti_sysc_clkdm_allow_idle(struct device *dev,
0326                      const struct ti_sysc_cookie *cookie)
0327 {
0328     if (cookie->clkdm)
0329         clkdm_allow_idle(cookie->clkdm);
0330 }
0331 
0332 #ifdef CONFIG_OMAP_HWMOD
0333 static int ti_sysc_enable_module(struct device *dev,
0334                  const struct ti_sysc_cookie *cookie)
0335 {
0336     if (!cookie->data)
0337         return -EINVAL;
0338 
0339     return omap_hwmod_enable(cookie->data);
0340 }
0341 
0342 static int ti_sysc_idle_module(struct device *dev,
0343                    const struct ti_sysc_cookie *cookie)
0344 {
0345     if (!cookie->data)
0346         return -EINVAL;
0347 
0348     return omap_hwmod_idle(cookie->data);
0349 }
0350 
0351 static int ti_sysc_shutdown_module(struct device *dev,
0352                    const struct ti_sysc_cookie *cookie)
0353 {
0354     if (!cookie->data)
0355         return -EINVAL;
0356 
0357     return omap_hwmod_shutdown(cookie->data);
0358 }
0359 #endif  /* CONFIG_OMAP_HWMOD */
0360 
0361 static bool ti_sysc_soc_type_gp(void)
0362 {
0363     return omap_type() == OMAP2_DEVICE_TYPE_GP;
0364 }
0365 
0366 static struct of_dev_auxdata omap_auxdata_lookup[];
0367 
0368 static struct ti_sysc_platform_data ti_sysc_pdata = {
0369     .auxdata = omap_auxdata_lookup,
0370     .soc_type_gp = ti_sysc_soc_type_gp,
0371     .init_clockdomain = ti_sysc_clkdm_init,
0372     .clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
0373     .clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
0374 #ifdef CONFIG_OMAP_HWMOD
0375     .init_module = omap_hwmod_init_module,
0376     .enable_module = ti_sysc_enable_module,
0377     .idle_module = ti_sysc_idle_module,
0378     .shutdown_module = ti_sysc_shutdown_module,
0379 #endif
0380 };
0381 
0382 static struct pcs_pdata pcs_pdata;
0383 
0384 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
0385 {
0386     pcs_pdata.irq = irq;
0387     pcs_pdata.rearm = rearm;
0388 }
0389 
0390 static struct ti_prm_platform_data ti_prm_pdata = {
0391     .clkdm_deny_idle = clkdm_deny_idle,
0392     .clkdm_allow_idle = clkdm_allow_idle,
0393     .clkdm_lookup = clkdm_lookup,
0394 };
0395 
0396 /*
0397  * GPIOs for TWL are initialized by the I2C bus and need custom
0398  * handing until DSS has device tree bindings.
0399  */
0400 void omap_auxdata_legacy_init(struct device *dev)
0401 {
0402     if (dev->platform_data)
0403         return;
0404 
0405     if (strcmp("twl4030-gpio", dev_name(dev)))
0406         return;
0407 
0408     dev->platform_data = &twl_gpio_auxdata;
0409 }
0410 
0411 #if defined(CONFIG_ARCH_OMAP3) && IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
0412 static struct omap_mcbsp_platform_data mcbsp_pdata;
0413 static void __init omap3_mcbsp_init(void)
0414 {
0415     omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
0416 }
0417 #else
0418 static void __init omap3_mcbsp_init(void) {}
0419 #endif
0420 
0421 /*
0422  * Few boards still need auxdata populated before we populate
0423  * the dev entries in of_platform_populate().
0424  */
0425 static struct pdata_init auxdata_quirks[] __initdata = {
0426 #ifdef CONFIG_SOC_OMAP2420
0427     { "nokia,n800", omap2420_n8x0_legacy_init, },
0428     { "nokia,n810", omap2420_n8x0_legacy_init, },
0429     { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
0430 #endif
0431 #ifdef CONFIG_ARCH_OMAP3
0432     { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
0433 #endif
0434     { /* sentinel */ },
0435 };
0436 
0437 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
0438 
0439 static struct of_dev_auxdata omap_auxdata_lookup[] = {
0440 #ifdef CONFIG_MACH_NOKIA_N8X0
0441     OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
0442     OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
0443     OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
0444 #endif
0445 #ifdef CONFIG_ARCH_OMAP3
0446     OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
0447                &omap3_iommu_pdata),
0448     OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
0449                &omap3_iommu_isp_pdata),
0450     OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
0451                "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
0452     OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
0453                "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
0454     OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
0455     OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
0456     /* Only on am3517 */
0457     OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
0458     OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
0459                &am35xx_emac_pdata),
0460     OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
0461     /* McBSP modules with sidetone core */
0462 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
0463     OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
0464     OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
0465 #endif
0466 #endif
0467 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
0468     OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
0469                "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
0470     OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
0471                "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
0472     OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
0473                "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
0474 #endif
0475 #ifdef CONFIG_SOC_DRA7XX
0476     OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
0477                &dra7_ipu1_dsp_iommu_pdata),
0478     OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
0479                &dra7_ipu1_dsp_iommu_pdata),
0480     OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
0481                &dra7_ipu1_dsp_iommu_pdata),
0482 #endif
0483     /* Common auxdata */
0484     OF_DEV_AUXDATA("simple-pm-bus", 0, NULL, omap_auxdata_lookup),
0485     OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
0486     OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
0487     OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata),
0488     OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info),
0489     { /* sentinel */ },
0490 };
0491 
0492 /*
0493  * Few boards still need to initialize some legacy devices with
0494  * platform data until the drivers support device tree.
0495  */
0496 static struct pdata_init pdata_quirks[] __initdata = {
0497 #ifdef CONFIG_ARCH_OMAP3
0498     { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
0499     { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
0500     { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
0501     { "nokia,omap3-n900", nokia_n900_legacy_init, },
0502     { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
0503     { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
0504     { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
0505     { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
0506     { "ti,am3517-evm", am3517_evm_legacy_init, },
0507     { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
0508     { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
0509     { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
0510 #endif
0511     { /* sentinel */ },
0512 };
0513 
0514 static void pdata_quirks_check(struct pdata_init *quirks)
0515 {
0516     while (quirks->compatible) {
0517         if (of_machine_is_compatible(quirks->compatible)) {
0518             if (quirks->fn)
0519                 quirks->fn();
0520         }
0521         quirks++;
0522     }
0523 }
0524 
0525 static const char * const pdata_quirks_init_nodes[] = {
0526     "prcm",
0527     "prm",
0528 };
0529 
0530 static void __init
0531 pdata_quirks_init_clocks(const struct of_device_id *omap_dt_match_table)
0532 {
0533     struct device_node *np;
0534     int i;
0535 
0536     for (i = 0; i < ARRAY_SIZE(pdata_quirks_init_nodes); i++) {
0537         np = of_find_node_by_name(NULL, pdata_quirks_init_nodes[i]);
0538         if (!np)
0539             continue;
0540 
0541         of_platform_populate(np, omap_dt_match_table,
0542                      omap_auxdata_lookup, NULL);
0543 
0544         of_node_put(np);
0545     }
0546 }
0547 
0548 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
0549 {
0550     /*
0551      * We still need this for omap2420 and omap3 PM to work, others are
0552      * using drivers/misc/sram.c already.
0553      */
0554     if (of_machine_is_compatible("ti,omap2420") ||
0555         of_machine_is_compatible("ti,omap3"))
0556         omap_sdrc_init(NULL, NULL);
0557 
0558     if (of_machine_is_compatible("ti,omap3"))
0559         omap3_mcbsp_init();
0560     pdata_quirks_check(auxdata_quirks);
0561 
0562     pdata_quirks_init_clocks(omap_dt_match_table);
0563 
0564     of_platform_populate(NULL, omap_dt_match_table,
0565                  omap_auxdata_lookup, NULL);
0566     pdata_quirks_check(pdata_quirks);
0567 }
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