[deliverable/linux.git] / arch / arm / mach-omap2 / pdata-quirks.c

/*
 * Legacy platform_data quirks
 *
 * Copyright (C) 2013 Texas Instruments
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#include <linux/clk.h>
#include <linux/davinci_emac.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/of_platform.h>
#include <linux/ti_wilink_st.h>
#include <linux/wl12xx.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>

#include <linux/platform_data/pinctrl-single.h>
#include <linux/platform_data/iommu-omap.h>
#include <linux/platform_data/wkup_m3.h>

#include <asm/siginfo.h>
#include <asm/signal.h>

#include "common.h"
#include "common-board-devices.h"
#include "dss-common.h"
#include "control.h"
#include "omap_device.h"
#include "omap-secure.h"
#include "soc.h"
#include "hsmmc.h"

struct pdata_init {
	const char *compatible;
	void (*fn)(void);
};

static struct of_dev_auxdata omap_auxdata_lookup[];
static struct twl4030_gpio_platform_data twl_gpio_auxdata;

#ifdef CONFIG_MACH_NOKIA_N8X0
static void __init omap2420_n8x0_legacy_init(void)
{
	omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
}
#else
#define omap2420_n8x0_legacy_init	NULL
#endif

#ifdef CONFIG_ARCH_OMAP3
/*
 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
 * mode for MMC1 in case bootloader did not configure things.
 * Note that if the pins are used for MMC1, pbias-regulator
 * manages the IO voltage.
 */
static void __init omap3_gpio126_127_129(void)
{
	u32 reg;

	reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
	reg &= ~OMAP343X_PBIASLITEVMODE1;
	reg |= OMAP343X_PBIASLITEPWRDNZ1;
	omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
	if (cpu_is_omap3630()) {
		reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
		reg |= OMAP36XX_GPIO_IO_PWRDNZ;
		omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
	}
}

static void __init hsmmc2_internal_input_clk(void)
{
	u32 reg;

	reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
	reg |= OMAP2_MMCSDIO2ADPCLKISEL;
	omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
}

static struct iommu_platform_data omap3_iommu_pdata = {
	.reset_name = "mmu",
	.assert_reset = omap_device_assert_hardreset,
	.deassert_reset = omap_device_deassert_hardreset,
};

static int omap3_sbc_t3730_twl_callback(struct device *dev,
					   unsigned gpio,
					   unsigned ngpio)
{
	int res;

	res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
			       "wlan pwr");
	if (res)
		return res;

	gpio_export(gpio, 0);

	return 0;
}

static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
{
	int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);

	if (err) {
		pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
			hub_name, err);
		return;
	}

	gpio_export(gpio, 0);

	udelay(10);
	gpio_set_value(gpio, 1);
	msleep(1);
}

static void __init omap3_sbc_t3730_twl_init(void)
{
	twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
}

static void __init omap3_sbc_t3730_legacy_init(void)
{
	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
}

static void __init omap3_sbc_t3530_legacy_init(void)
{
	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
}

static struct ti_st_plat_data wilink_pdata = {
	.nshutdown_gpio = 137,
	.dev_name = "/dev/ttyO1",
	.flow_cntrl = 1,
	.baud_rate = 300000,
};

static struct platform_device wl18xx_device = {
	.name	= "kim",
	.id	= -1,
	.dev	= {
		.platform_data = &wilink_pdata,
	}
};

static struct platform_device btwilink_device = {
	.name	= "btwilink",
	.id	= -1,
};

static void __init omap3_igep0020_rev_f_legacy_init(void)
{
	platform_device_register(&wl18xx_device);
	platform_device_register(&btwilink_device);
}

static void __init omap3_igep0030_rev_g_legacy_init(void)
{
	platform_device_register(&wl18xx_device);
	platform_device_register(&btwilink_device);
}

static void __init omap3_evm_legacy_init(void)
{
	hsmmc2_internal_input_clk();
}

static void am35xx_enable_emac_int(void)
{
	u32 v;

	v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
	v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
	      AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
	omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
	omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
}

static void am35xx_disable_emac_int(void)
{
	u32 v;

	v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
	v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
	omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
	omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
}

static struct emac_platform_data am35xx_emac_pdata = {
	.interrupt_enable	= am35xx_enable_emac_int,
	.interrupt_disable	= am35xx_disable_emac_int,
};

static void __init am35xx_emac_reset(void)
{
	u32 v;

	v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
	v &= ~AM35XX_CPGMACSS_SW_RST;
	omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
	omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
}

static struct gpio cm_t3517_wlan_gpios[] __initdata = {
	{ 56,	GPIOF_OUT_INIT_HIGH,	"wlan pwr" },
	{ 4,	GPIOF_OUT_INIT_HIGH,	"xcvr noe" },
};

static void __init omap3_sbc_t3517_wifi_init(void)
{
	int err = gpio_request_array(cm_t3517_wlan_gpios,
				ARRAY_SIZE(cm_t3517_wlan_gpios));
	if (err) {
		pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
		return;
	}

	gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
	gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);

	msleep(100);
	gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
}

static void __init omap3_sbc_t3517_legacy_init(void)
{
	omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
	omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
	am35xx_emac_reset();
	hsmmc2_internal_input_clk();
	omap3_sbc_t3517_wifi_init();
}

static void __init am3517_evm_legacy_init(void)
{
	am35xx_emac_reset();
}

static struct platform_device omap3_rom_rng_device = {
	.name		= "omap3-rom-rng",
	.id		= -1,
	.dev	= {
		.platform_data	= rx51_secure_rng_call,
	},
};

static void __init nokia_n900_legacy_init(void)
{
	hsmmc2_internal_input_clk();

	if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
		if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
			pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
			/* set IBE to 1 */
			rx51_secure_update_aux_cr(BIT(6), 0);
		} else {
			pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
			pr_warn("Thumb binaries may crash randomly without this workaround\n");
		}

		pr_info("RX-51: Registring OMAP3 HWRNG device\n");
		platform_device_register(&omap3_rom_rng_device);

	}
}

static void __init omap3_tao3530_legacy_init(void)
{
	hsmmc2_internal_input_clk();
}

/* omap3pandora legacy devices */
#define PANDORA_WIFI_IRQ_GPIO		21
#define PANDORA_WIFI_NRESET_GPIO	23

static struct platform_device pandora_backlight = {
	.name	= "pandora-backlight",
	.id	= -1,
};

static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
};

static struct regulator_init_data pandora_vmmc3 = {
	.constraints = {
		.valid_ops_mask		= REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= ARRAY_SIZE(pandora_vmmc3_supply),
	.consumer_supplies	= pandora_vmmc3_supply,
};

static struct fixed_voltage_config pandora_vwlan = {
	.supply_name		= "vwlan",
	.microvolts		= 1800000, /* 1.8V */
	.gpio			= PANDORA_WIFI_NRESET_GPIO,
	.startup_delay		= 50000, /* 50ms */
	.enable_high		= 1,
	.init_data		= &pandora_vmmc3,
};

static struct platform_device pandora_vwlan_device = {
	.name		= "reg-fixed-voltage",
	.id		= 1,
	.dev = {
		.platform_data = &pandora_vwlan,
	},
};

static void pandora_wl1251_init_card(struct mmc_card *card)
{
	/*
	 * We have TI wl1251 attached to MMC3. Pass this information to
	 * SDIO core because it can't be probed by normal methods.
	 */
	if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
		card->quirks |= MMC_QUIRK_NONSTD_SDIO;
		card->cccr.wide_bus = 1;
		card->cis.vendor = 0x104c;
		card->cis.device = 0x9066;
		card->cis.blksize = 512;
		card->cis.max_dtr = 24000000;
		card->ocr = 0x80;
	}
}

static struct omap2_hsmmc_info pandora_mmc3[] = {
	{
		.mmc		= 3,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
		.init_card	= pandora_wl1251_init_card,
	},
	{}	/* Terminator */
};

static void __init pandora_wl1251_init(void)
{
	struct wl1251_platform_data pandora_wl1251_pdata;
	int ret;

	memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));

	pandora_wl1251_pdata.power_gpio = -1;

	ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
	if (ret < 0)
		goto fail;

	pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
	if (pandora_wl1251_pdata.irq < 0)
		goto fail_irq;

	pandora_wl1251_pdata.use_eeprom = true;
	ret = wl1251_set_platform_data(&pandora_wl1251_pdata);
	if (ret < 0)
		goto fail_irq;

	return;

fail_irq:
	gpio_free(PANDORA_WIFI_IRQ_GPIO);
fail:
	pr_err("wl1251 board initialisation failed\n");
}

static void __init omap3_pandora_legacy_init(void)
{
	platform_device_register(&pandora_backlight);
	platform_device_register(&pandora_vwlan_device);
	omap_hsmmc_init(pandora_mmc3);
	omap_hsmmc_late_init(pandora_mmc3);
	pandora_wl1251_init();
}
#endif /* CONFIG_ARCH_OMAP3 */

#ifdef CONFIG_SOC_TI81XX
static int fault_fixed_up;

static int t410_abort_handler(unsigned long addr, unsigned int fsr,
			      struct pt_regs *regs)
{
	if ((fsr == 0x406 || fsr == 0xc06) && !fault_fixed_up) {
		pr_warn("External imprecise Data abort at addr=%#lx, fsr=%#x ignored.\n",
			addr, fsr);
		fault_fixed_up = 1;
		return 0;
	}

	return 1;
}

static void __init t410_abort_init(void)
{
	hook_fault_code(16 + 6, t410_abort_handler, SIGBUS, BUS_OBJERR,
			"imprecise external abort");
}
#endif

#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
static struct iommu_platform_data omap4_iommu_pdata = {
	.reset_name = "mmu_cache",
	.assert_reset = omap_device_assert_hardreset,
	.deassert_reset = omap_device_deassert_hardreset,
};
#endif

#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
static struct wkup_m3_platform_data wkup_m3_data = {
	.reset_name = "wkup_m3",
	.assert_reset = omap_device_assert_hardreset,
	.deassert_reset = omap_device_deassert_hardreset,
};
#endif

#ifdef CONFIG_SOC_OMAP5
static void __init omap5_uevm_legacy_init(void)
{
}
#endif

static struct pcs_pdata pcs_pdata;

void omap_pcs_legacy_init(int irq, void (*rearm)(void))
{
	pcs_pdata.irq = irq;
	pcs_pdata.rearm = rearm;
}

/*
 * GPIOs for TWL are initialized by the I2C bus and need custom
 * handing until DSS has device tree bindings.
 */
void omap_auxdata_legacy_init(struct device *dev)
{
	if (dev->platform_data)
		return;

	if (strcmp("twl4030-gpio", dev_name(dev)))
		return;

	dev->platform_data = &twl_gpio_auxdata;
}

/*
 * Few boards still need auxdata populated before we populate
 * the dev entries in of_platform_populate().
 */
static struct pdata_init auxdata_quirks[] __initdata = {
#ifdef CONFIG_SOC_OMAP2420
	{ "nokia,n800", omap2420_n8x0_legacy_init, },
	{ "nokia,n810", omap2420_n8x0_legacy_init, },
	{ "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
#endif
#ifdef CONFIG_ARCH_OMAP3
	{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
#endif
	{ /* sentinel */ },
};

static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
#ifdef CONFIG_MACH_NOKIA_N8X0
	OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
	OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
	OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
#endif
#ifdef CONFIG_ARCH_OMAP3
	OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
	OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
	OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
	OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
		       &omap3_iommu_pdata),
	/* Only on am3517 */
	OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
	OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
		       &am35xx_emac_pdata),
#endif
#ifdef CONFIG_SOC_AM33XX
	OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
		       &wkup_m3_data),
#endif
#ifdef CONFIG_ARCH_OMAP4
	OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
	OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
#endif
#ifdef CONFIG_SOC_OMAP5
	OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
	OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
#endif
#ifdef CONFIG_SOC_DRA7XX
	OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
#endif
#ifdef CONFIG_SOC_AM43XX
	OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
	OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
		       &wkup_m3_data),
#endif
#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
	OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
		       &omap4_iommu_pdata),
	OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
		       &omap4_iommu_pdata),
#endif
	{ /* sentinel */ },
};

/*
 * Few boards still need to initialize some legacy devices with
 * platform data until the drivers support device tree.
 */
static struct pdata_init pdata_quirks[] __initdata = {
#ifdef CONFIG_ARCH_OMAP3
	{ "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
	{ "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
	{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
	{ "nokia,omap3-n900", nokia_n900_legacy_init, },
	{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
	{ "nokia,omap3-n950", hsmmc2_internal_input_clk, },
	{ "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
	{ "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
	{ "logicpd,dm3730-torpedo-devkit", omap3_gpio126_127_129, },
	{ "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
	{ "ti,am3517-evm", am3517_evm_legacy_init, },
	{ "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
	{ "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
	{ "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
#endif
#ifdef CONFIG_SOC_TI81XX
	{ "hp,t410", t410_abort_init, },
#endif
#ifdef CONFIG_SOC_OMAP5
	{ "ti,omap5-uevm", omap5_uevm_legacy_init, },
#endif
	{ /* sentinel */ },
};

static void pdata_quirks_check(struct pdata_init *quirks)
{
	while (quirks->compatible) {
		if (of_machine_is_compatible(quirks->compatible)) {
			if (quirks->fn)
				quirks->fn();
			break;
		}
		quirks++;
	}
}

void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
{
	/*
	 * We still need this for omap2420 and omap3 PM to work, others are
	 * using drivers/misc/sram.c already.
	 */
	if (of_machine_is_compatible("ti,omap2420") ||
	    of_machine_is_compatible("ti,omap3"))
		omap_sdrc_init(NULL, NULL);

	pdata_quirks_check(auxdata_quirks);
	of_platform_populate(NULL, omap_dt_match_table,
			     omap_auxdata_lookup, NULL);
	pdata_quirks_check(pdata_quirks);
}
Commit	Line	Data
6a08e1e6 TL	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>
71900314	11	#include <linux/davinci_emac.h>
5f0a2c69	12	#include <linux/gpio.h>
6a08e1e6 TL	13	#include <linux/init.h>
6a08e1e6 TL	14	#include <linux/kernel.h>
8651bd8c	15	#include <linux/of_platform.h>
d565b5f4	16	#include <linux/ti_wilink_st.h>
f9d50fef GI	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>
6a08e1e6	22
30a69ef7	23	#include <linux/platform_data/pinctrl-single.h>
910f1678	24	#include <linux/platform_data/iommu-omap.h>
6da74c54	25	#include <linux/platform_data/wkup_m3.h>
30a69ef7	26
f5887fe5 TL	27	#include <asm/siginfo.h>
f5887fe5 TL	28	#include <asm/signal.h>
30a69ef7	29
6a08e1e6 TL	30	#include "common.h"
	31	#include "common-board-devices.h"
	32	#include "dss-common.h"
faf4bd47	33	#include "control.h"
910f1678	34	#include "omap_device.h"
deff82e6 SR	35	#include "omap-secure.h"
deff82e6 SR	36	#include "soc.h"
f9d50fef	37	#include "hsmmc.h"
6a08e1e6 TL	38
	39	struct pdata_init {
	40	const char *compatible;
	41	void (*fn)(void);
	42	};
	43
f734a9b3	44	static struct of_dev_auxdata omap_auxdata_lookup[];
dad12d11	45	static struct twl4030_gpio_platform_data twl_gpio_auxdata;
fa590c92	46
fa590c92 TL	47	#ifdef CONFIG_MACH_NOKIA_N8X0
	48	static void __init omap2420_n8x0_legacy_init(void)
	49	{
	50	omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
	51	}
	52	#else
	53	#define omap2420_n8x0_legacy_init NULL
	54	#endif
	55
faf4bd47	56	#ifdef CONFIG_ARCH_OMAP3
b96b332f TL	57	/*
	58	* Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
	59	* mode for MMC1 in case bootloader did not configure things.
	60	* Note that if the pins are used for MMC1, pbias-regulator
	61	* manages the IO voltage.
	62	*/
	63	static void __init omap3_gpio126_127_129(void)
	64	{
	65	u32 reg;
	66
	67	reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
	68	reg &= ~OMAP343X_PBIASLITEVMODE1;
	69	reg \|= OMAP343X_PBIASLITEPWRDNZ1;
	70	omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
	71	if (cpu_is_omap3630()) {
	72	reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
	73	reg \|= OMAP36XX_GPIO_IO_PWRDNZ;
	74	omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
	75	}
	76	}
	77
faf4bd47 AK	78	static void __init hsmmc2_internal_input_clk(void)
	79	{
	80	u32 reg;
	81
	82	reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
	83	reg \|= OMAP2_MMCSDIO2ADPCLKISEL;
	84	omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
	85	}
15c9887e	86
910f1678 SA	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	};
	92
0f0cfc69 TL	93	static int omap3_sbc_t3730_twl_callback(struct device *dev,
	94	unsigned gpio,
	95	unsigned ngpio)
	96	{
	97	int res;
	98
	99	res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
d234e423	100	"wlan pwr");
0f0cfc69 TL	101	if (res)
	102	return res;
	103
	104	gpio_export(gpio, 0);
	105
	106	return 0;
	107	}
	108
b62d91e5 DL	109	static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
	110	{
	111	int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
	112
	113	if (err) {
	114	pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
	115	hub_name, err);
	116	return;
	117	}
	118
	119	gpio_export(gpio, 0);
	120
	121	udelay(10);
	122	gpio_set_value(gpio, 1);
	123	msleep(1);
	124	}
	125
0f0cfc69 TL	126	static void __init omap3_sbc_t3730_twl_init(void)
	127	{
	128	twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
	129	}
	130
	131	static void __init omap3_sbc_t3730_legacy_init(void)
	132	{
b62d91e5	133	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
0f0cfc69 TL	134	}
0f0cfc69 TL	135
40ecc02e DL	136	static void __init omap3_sbc_t3530_legacy_init(void)
40ecc02e DL	137	{
b62d91e5	138	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
40ecc02e DL	139	}
40ecc02e DL	140
f734a9b3	141	static struct ti_st_plat_data wilink_pdata = {
d565b5f4 EBS	142	.nshutdown_gpio = 137,
	143	.dev_name = "/dev/ttyO1",
	144	.flow_cntrl = 1,
	145	.baud_rate = 300000,
	146	};
	147
	148	static struct platform_device wl18xx_device = {
	149	.name = "kim",
	150	.id = -1,
	151	.dev = {
	152	.platform_data = &wilink_pdata,
	153	}
	154	};
	155
	156	static struct platform_device btwilink_device = {
	157	.name = "btwilink",
	158	.id = -1,
	159	};
	160
	161	static void __init omap3_igep0020_rev_f_legacy_init(void)
	162	{
d565b5f4 EBS	163	platform_device_register(&wl18xx_device);
	164	platform_device_register(&btwilink_device);
	165	}
	166
	167	static void __init omap3_igep0030_rev_g_legacy_init(void)
15c9887e	168	{
d565b5f4 EBS	169	platform_device_register(&wl18xx_device);
d565b5f4 EBS	170	platform_device_register(&btwilink_device);
15c9887e	171	}
79b39f79 TL	172
	173	static void __init omap3_evm_legacy_init(void)
	174	{
5b7610f2	175	hsmmc2_internal_input_clk();
79b39f79	176	}
71900314 TL	177
	178	static void am35xx_enable_emac_int(void)
	179	{
	180	u32 v;
	181
	182	v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
	183	v \|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR \| AM35XX_CPGMAC_C0_TX_PULSE_CLR \|
	184	AM35XX_CPGMAC_C0_MISC_PULSE_CLR \| AM35XX_CPGMAC_C0_RX_THRESH_CLR);
	185	omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
	186	omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
	187	}
	188
	189	static void am35xx_disable_emac_int(void)
	190	{
	191	u32 v;
	192
	193	v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
	194	v \|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR \| AM35XX_CPGMAC_C0_TX_PULSE_CLR);
	195	omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
	196	omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
	197	}
	198
	199	static struct emac_platform_data am35xx_emac_pdata = {
	200	.interrupt_enable = am35xx_enable_emac_int,
	201	.interrupt_disable = am35xx_disable_emac_int,
	202	};
	203
fb45105a	204	static void __init am35xx_emac_reset(void)
71900314 TL	205	{
	206	u32 v;
	207
	208	v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
	209	v &= ~AM35XX_CPGMACSS_SW_RST;
	210	omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
	211	omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
	212	}
deff82e6	213
fb45105a DL	214	static struct gpio cm_t3517_wlan_gpios[] __initdata = {
	215	{ 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
	216	{ 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
	217	};
	218
	219	static void __init omap3_sbc_t3517_wifi_init(void)
	220	{
	221	int err = gpio_request_array(cm_t3517_wlan_gpios,
	222	ARRAY_SIZE(cm_t3517_wlan_gpios));
	223	if (err) {
	224	pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
	225	return;
	226	}
	227
	228	gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
	229	gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
	230
	231	msleep(100);
	232	gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
	233	}
	234
	235	static void __init omap3_sbc_t3517_legacy_init(void)
	236	{
b62d91e5 DL	237	omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
b62d91e5 DL	238	omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
fb45105a DL	239	am35xx_emac_reset();
	240	hsmmc2_internal_input_clk();
	241	omap3_sbc_t3517_wifi_init();
fb45105a DL	242	}
	243
	244	static void __init am3517_evm_legacy_init(void)
	245	{
	246	am35xx_emac_reset();
	247	}
f83ccb93	248
14c0a5b4 SR	249	static struct platform_device omap3_rom_rng_device = {
	250	.name = "omap3-rom-rng",
	251	.id = -1,
	252	.dev = {
	253	.platform_data = rx51_secure_rng_call,
	254	},
	255	};
	256
deff82e6 SR	257	static void __init nokia_n900_legacy_init(void)
	258	{
	259	hsmmc2_internal_input_clk();
	260
	261	if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
	262	if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
	263	pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
	264	/* set IBE to 1 */
	265	rx51_secure_update_aux_cr(BIT(6), 0);
	266	} else {
3d0cb73e JP	267	pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
3d0cb73e JP	268	pr_warn("Thumb binaries may crash randomly without this workaround\n");
deff82e6	269	}
14c0a5b4 SR	270
	271	pr_info("RX-51: Registring OMAP3 HWRNG device\n");
	272	platform_device_register(&omap3_rom_rng_device);
	273
deff82e6 SR	274	}
deff82e6 SR	275	}
63dd5bc0 SR	276
	277	static void __init omap3_tao3530_legacy_init(void)
	278	{
	279	hsmmc2_internal_input_clk();
deff82e6	280	}
fc53e2cc	281
f9d50fef GI	282	/* omap3pandora legacy devices */
	283	#define PANDORA_WIFI_IRQ_GPIO 21
	284	#define PANDORA_WIFI_NRESET_GPIO 23
	285
fc53e2cc GI	286	static struct platform_device pandora_backlight = {
	287	.name = "pandora-backlight",
	288	.id = -1,
	289	};
	290
f9d50fef GI	291	static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
	292	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
	293	};
	294
	295	static struct regulator_init_data pandora_vmmc3 = {
	296	.constraints = {
	297	.valid_ops_mask = REGULATOR_CHANGE_STATUS,
	298	},
	299	.num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply),
	300	.consumer_supplies = pandora_vmmc3_supply,
	301	};
	302
	303	static struct fixed_voltage_config pandora_vwlan = {
	304	.supply_name = "vwlan",
	305	.microvolts = 1800000, /* 1.8V */
	306	.gpio = PANDORA_WIFI_NRESET_GPIO,
	307	.startup_delay = 50000, /* 50ms */
	308	.enable_high = 1,
	309	.init_data = &pandora_vmmc3,
	310	};
	311
	312	static struct platform_device pandora_vwlan_device = {
	313	.name = "reg-fixed-voltage",
	314	.id = 1,
	315	.dev = {
	316	.platform_data = &pandora_vwlan,
	317	},
	318	};
	319
	320	static void pandora_wl1251_init_card(struct mmc_card *card)
	321	{
	322	/*
	323	* We have TI wl1251 attached to MMC3. Pass this information to
	324	* SDIO core because it can't be probed by normal methods.
	325	*/
	326	if (card->type == MMC_TYPE_SDIO \|\| card->type == MMC_TYPE_SD_COMBO) {
	327	card->quirks \|= MMC_QUIRK_NONSTD_SDIO;
	328	card->cccr.wide_bus = 1;
	329	card->cis.vendor = 0x104c;
	330	card->cis.device = 0x9066;
	331	card->cis.blksize = 512;
	332	card->cis.max_dtr = 24000000;
	333	card->ocr = 0x80;
	334	}
	335	}
	336
	337	static struct omap2_hsmmc_info pandora_mmc3[] = {
	338	{
	339	.mmc = 3,
	340	.caps = MMC_CAP_4_BIT_DATA \| MMC_CAP_POWER_OFF_CARD,
	341	.gpio_cd = -EINVAL,
	342	.gpio_wp = -EINVAL,
	343	.init_card = pandora_wl1251_init_card,
	344	},
	345	{} /* Terminator */
	346	};
	347
	348	static void __init pandora_wl1251_init(void)
	349	{
	350	struct wl1251_platform_data pandora_wl1251_pdata;
	351	int ret;
	352
	353	memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
	354
355	pandora_wl1251_pdata.power_gpio = -1;
356
357	ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
358	if (ret < 0)
359	goto fail;
360
361	pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
362	if (pandora_wl1251_pdata.irq < 0)
363	goto fail_irq;
364
365	pandora_wl1251_pdata.use_eeprom = true;
366	ret = wl1251_set_platform_data(&pandora_wl1251_pdata);
367	if (ret < 0)
368	goto fail_irq;
369
370	return;
371
372	fail_irq:
373	gpio_free(PANDORA_WIFI_IRQ_GPIO);
374	fail:
375	pr_err("wl1251 board initialisation failed\n");
376	}
377
fc53e2cc GI	378	static void __init omap3_pandora_legacy_init(void)
	379	{
	380	platform_device_register(&pandora_backlight);
f9d50fef GI	381	platform_device_register(&pandora_vwlan_device);
	382	omap_hsmmc_init(pandora_mmc3);
	383	omap_hsmmc_late_init(pandora_mmc3);
	384	pandora_wl1251_init();
fc53e2cc	385	}
faf4bd47 AK	386	#endif /* CONFIG_ARCH_OMAP3 */
faf4bd47 AK	387
f5887fe5 TL	388	#ifdef CONFIG_SOC_TI81XX
	389	static int fault_fixed_up;
	390
	391	static int t410_abort_handler(unsigned long addr, unsigned int fsr,
	392	struct pt_regs *regs)
	393	{
	394	if ((fsr == 0x406 \|\| fsr == 0xc06) && !fault_fixed_up) {
	395	pr_warn("External imprecise Data abort at addr=%#lx, fsr=%#x ignored.\n",
	396	addr, fsr);
	397	fault_fixed_up = 1;
	398	return 0;
	399	}
	400
	401	return 1;
	402	}
	403
	404	static void __init t410_abort_init(void)
	405	{
	406	hook_fault_code(16 + 6, t410_abort_handler, SIGBUS, BUS_OBJERR,
	407	"imprecise external abort");
	408	}
	409	#endif
	410
67eb1e6e	411	#if defined(CONFIG_ARCH_OMAP4) \|\| defined(CONFIG_SOC_OMAP5)
910f1678 SA	412	static struct iommu_platform_data omap4_iommu_pdata = {
	413	.reset_name = "mmu_cache",
	414	.assert_reset = omap_device_assert_hardreset,
	415	.deassert_reset = omap_device_deassert_hardreset,
	416	};
3e7a3185 TL	417	#endif
3e7a3185 TL	418
6da74c54 DG	419	#if defined(CONFIG_SOC_AM33XX) \|\| defined(CONFIG_SOC_AM43XX)
	420	static struct wkup_m3_platform_data wkup_m3_data = {
	421	.reset_name = "wkup_m3",
	422	.assert_reset = omap_device_assert_hardreset,
	423	.deassert_reset = omap_device_deassert_hardreset,
	424	};
	425	#endif
	426
3e7a3185 TL	427	#ifdef CONFIG_SOC_OMAP5
	428	static void __init omap5_uevm_legacy_init(void)
	429	{
3e7a3185 TL	430	}
	431	#endif
	432
30a69ef7 TL	433	static struct pcs_pdata pcs_pdata;
	434
	435	void omap_pcs_legacy_init(int irq, void (*rearm)(void))
	436	{
	437	pcs_pdata.irq = irq;
	438	pcs_pdata.rearm = rearm;
	439	}
	440
dad12d11 TL	441	/*
	442	* GPIOs for TWL are initialized by the I2C bus and need custom
	443	* handing until DSS has device tree bindings.
	444	*/
	445	void omap_auxdata_legacy_init(struct device *dev)
	446	{
	447	if (dev->platform_data)
	448	return;
	449
	450	if (strcmp("twl4030-gpio", dev_name(dev)))
	451	return;
	452
	453	dev->platform_data = &twl_gpio_auxdata;
	454	}
	455
036582f7 TL	456	/*
	457	* Few boards still need auxdata populated before we populate
	458	* the dev entries in of_platform_populate().
	459	*/
	460	static struct pdata_init auxdata_quirks[] __initdata = {
fa590c92 TL	461	#ifdef CONFIG_SOC_OMAP2420
	462	{ "nokia,n800", omap2420_n8x0_legacy_init, },
	463	{ "nokia,n810", omap2420_n8x0_legacy_init, },
	464	{ "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
0f0cfc69 TL	465	#endif
	466	#ifdef CONFIG_ARCH_OMAP3
	467	{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
fa590c92	468	#endif
036582f7 TL	469	{ /* sentinel */ },
	470	};
	471
f734a9b3	472	static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
036582f7 TL	473	#ifdef CONFIG_MACH_NOKIA_N8X0
036582f7 TL	474	OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
e92ce89c FB	475	OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
e92ce89c FB	476	OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
036582f7	477	#endif
30a69ef7 TL	478	#ifdef CONFIG_ARCH_OMAP3
30a69ef7 TL	479	OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
4b416368	480	OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
30a69ef7	481	OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
910f1678 SA	482	OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
910f1678 SA	483	&omap3_iommu_pdata),
71900314 TL	484	/* Only on am3517 */
	485	OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
	486	OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
	487	&am35xx_emac_pdata),
30a69ef7	488	#endif
6da74c54 DG	489	#ifdef CONFIG_SOC_AM33XX
	490	OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
	491	&wkup_m3_data),
	492	#endif
30a69ef7 TL	493	#ifdef CONFIG_ARCH_OMAP4
	494	OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
	495	OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
67eb1e6e	496	#endif
874fef7d NM	497	#ifdef CONFIG_SOC_OMAP5
	498	OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
	499	OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
	500	#endif
b0a3d0da NM	501	#ifdef CONFIG_SOC_DRA7XX
	502	OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
	503	#endif
dbbe9770 K	504	#ifdef CONFIG_SOC_AM43XX
dbbe9770 K	505	OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
6da74c54 DG	506	OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
6da74c54 DG	507	&wkup_m3_data),
dbbe9770	508	#endif
67eb1e6e	509	#if defined(CONFIG_ARCH_OMAP4) \|\| defined(CONFIG_SOC_OMAP5)
910f1678 SA	510	OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
	511	&omap4_iommu_pdata),
	512	OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
	513	&omap4_iommu_pdata),
30a69ef7	514	#endif
8651bd8c TL	515	{ /* sentinel */ },
	516	};
	517
036582f7 TL	518	/*
	519	* Few boards still need to initialize some legacy devices with
	520	* platform data until the drivers support device tree.
	521	*/
6a08e1e6	522	static struct pdata_init pdata_quirks[] __initdata = {
faf4bd47	523	#ifdef CONFIG_ARCH_OMAP3
fb45105a	524	{ "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
40ecc02e	525	{ "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
0f0cfc69	526	{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
deff82e6	527	{ "nokia,omap3-n900", nokia_n900_legacy_init, },
faf4bd47 AK	528	{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
faf4bd47 AK	529	{ "nokia,omap3-n950", hsmmc2_internal_input_clk, },
d565b5f4 EBS	530	{ "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
d565b5f4 EBS	531	{ "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
b96b332f	532	{ "logicpd,dm3730-torpedo-devkit", omap3_gpio126_127_129, },
79b39f79	533	{ "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
71900314	534	{ "ti,am3517-evm", am3517_evm_legacy_init, },
63dd5bc0	535	{ "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
fc53e2cc GI	536	{ "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
fc53e2cc GI	537	{ "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
faf4bd47	538	#endif
f5887fe5 TL	539	#ifdef CONFIG_SOC_TI81XX
f5887fe5 TL	540	{ "hp,t410", t410_abort_init, },
faf4bd47	541	#endif
3e7a3185 TL	542	#ifdef CONFIG_SOC_OMAP5
	543	{ "ti,omap5-uevm", omap5_uevm_legacy_init, },
	544	#endif
6a08e1e6 TL	545	{ /* sentinel */ },
	546	};
	547
036582f7	548	static void pdata_quirks_check(struct pdata_init *quirks)
6a08e1e6	549	{
6a08e1e6 TL	550	while (quirks->compatible) {
	551	if (of_machine_is_compatible(quirks->compatible)) {
	552	if (quirks->fn)
	553	quirks->fn();
	554	break;
	555	}
	556	quirks++;
	557	}
	558	}
036582f7	559
31957609	560	void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
036582f7	561	{
57df5380 TL	562	/*
	563	* We still need this for omap2420 and omap3 PM to work, others are
	564	* using drivers/misc/sram.c already.
	565	*/
	566	if (of_machine_is_compatible("ti,omap2420") \|\|
	567	of_machine_is_compatible("ti,omap3"))
	568	omap_sdrc_init(NULL, NULL);
	569
036582f7 TL	570	pdata_quirks_check(auxdata_quirks);
	571	of_platform_populate(NULL, omap_dt_match_table,
	572	omap_auxdata_lookup, NULL);
	573	pdata_quirks_check(pdata_quirks);
	574	}