[mirror_ubuntu-artful-kernel.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/wl12xx.h>

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

#include "am35xx.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"

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

struct of_dev_auxdata omap_auxdata_lookup[];
static struct twl4030_gpio_platform_data twl_gpio_auxdata;

#if IS_ENABLED(CONFIG_WL12XX)

static struct wl12xx_platform_data wl12xx __initdata;

static void __init __used legacy_init_wl12xx(unsigned ref_clock,
					     unsigned tcxo_clock,
					     int gpio)
{
	int res;

	wl12xx.board_ref_clock = ref_clock;
	wl12xx.board_tcxo_clock = tcxo_clock;
	wl12xx.irq = gpio_to_irq(gpio);

	res = wl12xx_set_platform_data(&wl12xx);
	if (res) {
		pr_err("error setting wl12xx data: %d\n", res);
		return;
	}
}
#else
static inline void legacy_init_wl12xx(unsigned ref_clock,
				      unsigned tcxo_clock,
				      int gpio)
{
}
#endif

#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
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");
	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
	omap_ads7846_init(1, 57, 0, NULL);
}

static void __init omap3_sbc_t3530_legacy_init(void)
{
	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
	omap_ads7846_init(1, 57, 0, NULL);
}

static void __init omap3_igep0020_legacy_init(void)
{
}

static void __init omap3_evm_legacy_init(void)
{
	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
}

static void __init omap3_zoom_legacy_init(void)
{
	legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
}

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();
	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 145);
	omap_ads7846_init(1, 57, 0, NULL);
}

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

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_warning("RX-51: Not enabling ARM errata 430973 workaround\n");
			pr_warning("Thumb binaries may crash randomly without this workaround\n");
		}
	}
}
#endif /* CONFIG_ARCH_OMAP3 */

#ifdef CONFIG_ARCH_OMAP4
static void __init omap4_sdp_legacy_init(void)
{
	legacy_init_wl12xx(WL12XX_REFCLOCK_26,
			   WL12XX_TCXOCLOCK_26, 53);
}

static void __init omap4_panda_legacy_init(void)
{
	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
}
#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

#ifdef CONFIG_SOC_AM33XX
static void __init am335x_evmsk_legacy_init(void)
{
	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31);
}
#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 */ },
};

struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
#ifdef CONFIG_MACH_NOKIA_N8X0
	OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
#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_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
#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", omap3_igep0020_legacy_init, },
	{ "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
	{ "ti,omap3-zoom3", omap3_zoom_legacy_init, },
	{ "ti,am3517-evm", am3517_evm_legacy_init, },
#endif
#ifdef CONFIG_ARCH_OMAP4
	{ "ti,omap4-sdp", omap4_sdp_legacy_init, },
	{ "ti,omap4-panda", omap4_panda_legacy_init, },
#endif
#ifdef CONFIG_SOC_AM33XX
	{ "ti,am335x-evmsk", am335x_evmsk_legacy_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(struct of_device_id *omap_dt_match_table)
{
	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>
5f0a2c69	16	#include <linux/wl12xx.h>
6a08e1e6	17
30a69ef7	18	#include <linux/platform_data/pinctrl-single.h>
910f1678	19	#include <linux/platform_data/iommu-omap.h>
30a69ef7	20
71900314	21	#include "am35xx.h"
6a08e1e6 TL	22	#include "common.h"
	23	#include "common-board-devices.h"
	24	#include "dss-common.h"
faf4bd47	25	#include "control.h"
910f1678	26	#include "omap_device.h"
deff82e6 SR	27	#include "omap-secure.h"
deff82e6 SR	28	#include "soc.h"
6a08e1e6 TL	29
	30	struct pdata_init {
	31	const char *compatible;
	32	void (*fn)(void);
	33	};
	34
fa590c92	35	struct of_dev_auxdata omap_auxdata_lookup[];
dad12d11	36	static struct twl4030_gpio_platform_data twl_gpio_auxdata;
fa590c92	37
5f0a2c69 TL	38	#if IS_ENABLED(CONFIG_WL12XX)
	39
	40	static struct wl12xx_platform_data wl12xx __initdata;
	41
	42	static void __init __used legacy_init_wl12xx(unsigned ref_clock,
	43	unsigned tcxo_clock,
	44	int gpio)
	45	{
	46	int res;
	47
	48	wl12xx.board_ref_clock = ref_clock;
	49	wl12xx.board_tcxo_clock = tcxo_clock;
	50	wl12xx.irq = gpio_to_irq(gpio);
	51
	52	res = wl12xx_set_platform_data(&wl12xx);
	53	if (res) {
	54	pr_err("error setting wl12xx data: %d\n", res);
	55	return;
	56	}
	57	}
	58	#else
	59	static inline void legacy_init_wl12xx(unsigned ref_clock,
	60	unsigned tcxo_clock,
	61	int gpio)
	62	{
	63	}
	64	#endif
	65
fa590c92 TL	66	#ifdef CONFIG_MACH_NOKIA_N8X0
	67	static void __init omap2420_n8x0_legacy_init(void)
	68	{
	69	omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
	70	}
	71	#else
	72	#define omap2420_n8x0_legacy_init NULL
	73	#endif
	74
faf4bd47 AK	75	#ifdef CONFIG_ARCH_OMAP3
	76	static void __init hsmmc2_internal_input_clk(void)
	77	{
	78	u32 reg;
	79
	80	reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
	81	reg \|= OMAP2_MMCSDIO2ADPCLKISEL;
	82	omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
	83	}
15c9887e	84
910f1678 SA	85	static struct iommu_platform_data omap3_iommu_pdata = {
	86	.reset_name = "mmu",
	87	.assert_reset = omap_device_assert_hardreset,
	88	.deassert_reset = omap_device_deassert_hardreset,
	89	};
	90
0f0cfc69 TL	91	static int omap3_sbc_t3730_twl_callback(struct device *dev,
	92	unsigned gpio,
	93	unsigned ngpio)
	94	{
	95	int res;
	96
	97	res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
d234e423	98	"wlan pwr");
0f0cfc69 TL	99	if (res)
	100	return res;
	101
	102	gpio_export(gpio, 0);
	103
	104	return 0;
	105	}
	106
b62d91e5 DL	107	static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
	108	{
	109	int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
	110
	111	if (err) {
	112	pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
	113	hub_name, err);
	114	return;
	115	}
	116
	117	gpio_export(gpio, 0);
	118
	119	udelay(10);
	120	gpio_set_value(gpio, 1);
	121	msleep(1);
	122	}
	123
0f0cfc69 TL	124	static void __init omap3_sbc_t3730_twl_init(void)
	125	{
	126	twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
	127	}
	128
	129	static void __init omap3_sbc_t3730_legacy_init(void)
	130	{
b62d91e5	131	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
0f0cfc69 TL	132	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
	133	omap_ads7846_init(1, 57, 0, NULL);
	134	}
	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	omap_ads7846_init(1, 57, 0, NULL);
	140	}
	141
15c9887e JMC	142	static void __init omap3_igep0020_legacy_init(void)
15c9887e JMC	143	{
15c9887e	144	}
79b39f79 TL	145
	146	static void __init omap3_evm_legacy_init(void)
	147	{
	148	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
	149	}
	150
	151	static void __init omap3_zoom_legacy_init(void)
	152	{
	153	legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
	154	}
71900314 TL	155
	156	static void am35xx_enable_emac_int(void)
	157	{
	158	u32 v;
	159
	160	v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
	161	v \|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR \| AM35XX_CPGMAC_C0_TX_PULSE_CLR \|
	162	AM35XX_CPGMAC_C0_MISC_PULSE_CLR \| AM35XX_CPGMAC_C0_RX_THRESH_CLR);
	163	omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
	164	omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
	165	}
	166
	167	static void am35xx_disable_emac_int(void)
	168	{
	169	u32 v;
	170
	171	v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
	172	v \|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR \| AM35XX_CPGMAC_C0_TX_PULSE_CLR);
	173	omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
	174	omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
	175	}
	176
	177	static struct emac_platform_data am35xx_emac_pdata = {
	178	.interrupt_enable = am35xx_enable_emac_int,
	179	.interrupt_disable = am35xx_disable_emac_int,
	180	};
	181
fb45105a	182	static void __init am35xx_emac_reset(void)
71900314 TL	183	{
	184	u32 v;
	185
	186	v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
	187	v &= ~AM35XX_CPGMACSS_SW_RST;
	188	omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
	189	omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
	190	}
deff82e6	191
fb45105a DL	192	static struct gpio cm_t3517_wlan_gpios[] __initdata = {
	193	{ 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
	194	{ 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
	195	};
	196
	197	static void __init omap3_sbc_t3517_wifi_init(void)
	198	{
	199	int err = gpio_request_array(cm_t3517_wlan_gpios,
	200	ARRAY_SIZE(cm_t3517_wlan_gpios));
	201	if (err) {
	202	pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
	203	return;
	204	}
	205
	206	gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
	207	gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
	208
	209	msleep(100);
	210	gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
	211	}
	212
	213	static void __init omap3_sbc_t3517_legacy_init(void)
	214	{
b62d91e5 DL	215	omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
b62d91e5 DL	216	omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
fb45105a DL	217	am35xx_emac_reset();
	218	hsmmc2_internal_input_clk();
	219	omap3_sbc_t3517_wifi_init();
	220	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 145);
	221	omap_ads7846_init(1, 57, 0, NULL);
	222	}
	223
	224	static void __init am3517_evm_legacy_init(void)
	225	{
	226	am35xx_emac_reset();
	227	}
f83ccb93	228
deff82e6 SR	229	static void __init nokia_n900_legacy_init(void)
	230	{
	231	hsmmc2_internal_input_clk();
	232
	233	if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
	234	if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
	235	pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
	236	/* set IBE to 1 */
	237	rx51_secure_update_aux_cr(BIT(6), 0);
	238	} else {
	239	pr_warning("RX-51: Not enabling ARM errata 430973 workaround\n");
	240	pr_warning("Thumb binaries may crash randomly without this workaround\n");
	241	}
	242	}
	243	}
faf4bd47 AK	244	#endif /* CONFIG_ARCH_OMAP3 */
faf4bd47 AK	245
3e7a3185 TL	246	#ifdef CONFIG_ARCH_OMAP4
	247	static void __init omap4_sdp_legacy_init(void)
	248	{
5f0a2c69 TL	249	legacy_init_wl12xx(WL12XX_REFCLOCK_26,
5f0a2c69 TL	250	WL12XX_TCXOCLOCK_26, 53);
3e7a3185 TL	251	}
	252
	253	static void __init omap4_panda_legacy_init(void)
	254	{
5f0a2c69	255	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
3e7a3185 TL	256	}
	257	#endif
	258
67eb1e6e	259	#if defined(CONFIG_ARCH_OMAP4) \|\| defined(CONFIG_SOC_OMAP5)
910f1678 SA	260	static struct iommu_platform_data omap4_iommu_pdata = {
	261	.reset_name = "mmu_cache",
	262	.assert_reset = omap_device_assert_hardreset,
	263	.deassert_reset = omap_device_deassert_hardreset,
	264	};
3e7a3185 TL	265	#endif
3e7a3185 TL	266
90f4f01b IK	267	#ifdef CONFIG_SOC_AM33XX
	268	static void __init am335x_evmsk_legacy_init(void)
	269	{
	270	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31);
	271	}
	272	#endif
	273
3e7a3185 TL	274	#ifdef CONFIG_SOC_OMAP5
	275	static void __init omap5_uevm_legacy_init(void)
	276	{
3e7a3185 TL	277	}
	278	#endif
	279
30a69ef7 TL	280	static struct pcs_pdata pcs_pdata;
	281
	282	void omap_pcs_legacy_init(int irq, void (*rearm)(void))
	283	{
	284	pcs_pdata.irq = irq;
	285	pcs_pdata.rearm = rearm;
	286	}
	287
dad12d11 TL	288	/*
	289	* GPIOs for TWL are initialized by the I2C bus and need custom
	290	* handing until DSS has device tree bindings.
	291	*/
	292	void omap_auxdata_legacy_init(struct device *dev)
	293	{
	294	if (dev->platform_data)
	295	return;
	296
	297	if (strcmp("twl4030-gpio", dev_name(dev)))
	298	return;
	299
	300	dev->platform_data = &twl_gpio_auxdata;
	301	}
	302
036582f7 TL	303	/*
	304	* Few boards still need auxdata populated before we populate
	305	* the dev entries in of_platform_populate().
	306	*/
	307	static struct pdata_init auxdata_quirks[] __initdata = {
fa590c92 TL	308	#ifdef CONFIG_SOC_OMAP2420
	309	{ "nokia,n800", omap2420_n8x0_legacy_init, },
	310	{ "nokia,n810", omap2420_n8x0_legacy_init, },
	311	{ "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
0f0cfc69 TL	312	#endif
	313	#ifdef CONFIG_ARCH_OMAP3
	314	{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
fa590c92	315	#endif
036582f7 TL	316	{ /* sentinel */ },
	317	};
	318
8651bd8c	319	struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
036582f7 TL	320	#ifdef CONFIG_MACH_NOKIA_N8X0
	321	OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
	322	#endif
30a69ef7 TL	323	#ifdef CONFIG_ARCH_OMAP3
30a69ef7 TL	324	OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
4b416368	325	OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
30a69ef7	326	OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
910f1678 SA	327	OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
910f1678 SA	328	&omap3_iommu_pdata),
71900314 TL	329	/* Only on am3517 */
	330	OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
	331	OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
	332	&am35xx_emac_pdata),
30a69ef7 TL	333	#endif
	334	#ifdef CONFIG_ARCH_OMAP4
	335	OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
	336	OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
67eb1e6e SA	337	#endif
67eb1e6e SA	338	#if defined(CONFIG_ARCH_OMAP4) \|\| defined(CONFIG_SOC_OMAP5)
910f1678 SA	339	OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
	340	&omap4_iommu_pdata),
	341	OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
	342	&omap4_iommu_pdata),
30a69ef7	343	#endif
8651bd8c TL	344	{ /* sentinel */ },
	345	};
	346
036582f7 TL	347	/*
	348	* Few boards still need to initialize some legacy devices with
	349	* platform data until the drivers support device tree.
	350	*/
6a08e1e6	351	static struct pdata_init pdata_quirks[] __initdata = {
faf4bd47	352	#ifdef CONFIG_ARCH_OMAP3
fb45105a	353	{ "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
40ecc02e	354	{ "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
0f0cfc69	355	{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
deff82e6	356	{ "nokia,omap3-n900", nokia_n900_legacy_init, },
faf4bd47 AK	357	{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
faf4bd47 AK	358	{ "nokia,omap3-n950", hsmmc2_internal_input_clk, },
15c9887e	359	{ "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
79b39f79 TL	360	{ "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
79b39f79 TL	361	{ "ti,omap3-zoom3", omap3_zoom_legacy_init, },
71900314	362	{ "ti,am3517-evm", am3517_evm_legacy_init, },
faf4bd47	363	#endif
3e7a3185 TL	364	#ifdef CONFIG_ARCH_OMAP4
	365	{ "ti,omap4-sdp", omap4_sdp_legacy_init, },
	366	{ "ti,omap4-panda", omap4_panda_legacy_init, },
	367	#endif
90f4f01b IK	368	#ifdef CONFIG_SOC_AM33XX
	369	{ "ti,am335x-evmsk", am335x_evmsk_legacy_init, },
	370	#endif
3e7a3185 TL	371	#ifdef CONFIG_SOC_OMAP5
	372	{ "ti,omap5-uevm", omap5_uevm_legacy_init, },
	373	#endif
6a08e1e6 TL	374	{ /* sentinel */ },
	375	};
	376
036582f7	377	static void pdata_quirks_check(struct pdata_init *quirks)
6a08e1e6	378	{
6a08e1e6 TL	379	while (quirks->compatible) {
	380	if (of_machine_is_compatible(quirks->compatible)) {
	381	if (quirks->fn)
	382	quirks->fn();
	383	break;
	384	}
	385	quirks++;
	386	}
	387	}
036582f7 TL	388
	389	void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table)
	390	{
	391	omap_sdrc_init(NULL, NULL);
	392	pdata_quirks_check(auxdata_quirks);
	393	of_platform_populate(NULL, omap_dt_match_table,
	394	omap_auxdata_lookup, NULL);
	395	pdata_quirks_check(pdata_quirks);
	396	}