1 files changed, 31 insertions, 519 deletions

diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 745e304ad0d..2c655db4b78 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -10,12 +10,14 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/bitops.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/irqchip.h>
 #include <linux/io.h>
 #include <linux/device.h>
 #include <linux/gpio.h>
+#include <clocksource/samsung_pwm.h>
 #include <linux/sched.h>
 #include <linux/serial_core.h>
 #include <linux/of.h>
@@ -38,20 +40,9 @@
 
 #include <mach/regs-irq.h>
 #include <mach/regs-pmu.h>
-#include <mach/regs-gpio.h>
-#include <mach/irqs.h>
 
 #include <plat/cpu.h>
-#include <plat/devs.h>
 #include <plat/pm.h>
-#include <plat/sdhci.h>
-#include <plat/gpio-cfg.h>
-#include <plat/adc-core.h>
-#include <plat/fb-core.h>
-#include <plat/fimc-core.h>
-#include <plat/iic-core.h>
-#include <plat/tv-core.h>
-#include <plat/spi-core.h>
 #include <plat/regs-serial.h>
 
 #include "common.h"
@@ -62,36 +53,31 @@ static const char name_exynos4210[] = "EXYNOS4210";
 static const char name_exynos4212[] = "EXYNOS4212";
 static const char name_exynos4412[] = "EXYNOS4412";
 static const char name_exynos5250[] = "EXYNOS5250";
+static const char name_exynos5420[] = "EXYNOS5420";
 static const char name_exynos5440[] = "EXYNOS5440";
 
 static void exynos4_map_io(void);
 static void exynos5_map_io(void);
 static void exynos5440_map_io(void);
-static void exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no);
 static int exynos_init(void);
 
-unsigned long xxti_f = 0, xusbxti_f = 0;
-
 static struct cpu_table cpu_ids[] __initdata = {
 	{
 		.idcode		= EXYNOS4210_CPU_ID,
 		.idmask		= EXYNOS4_CPU_MASK,
 		.map_io		= exynos4_map_io,
-		.init_uarts	= exynos4_init_uarts,
 		.init		= exynos_init,
 		.name		= name_exynos4210,
 	}, {
 		.idcode		= EXYNOS4212_CPU_ID,
 		.idmask		= EXYNOS4_CPU_MASK,
 		.map_io		= exynos4_map_io,
-		.init_uarts	= exynos4_init_uarts,
 		.init		= exynos_init,
 		.name		= name_exynos4212,
 	}, {
 		.idcode		= EXYNOS4412_CPU_ID,
 		.idmask		= EXYNOS4_CPU_MASK,
 		.map_io		= exynos4_map_io,
-		.init_uarts	= exynos4_init_uarts,
 		.init		= exynos_init,
 		.name		= name_exynos4412,
 	}, {
@@ -101,6 +87,12 @@ static struct cpu_table cpu_ids[] __initdata = {
 		.init		= exynos_init,
 		.name		= name_exynos5250,
 	}, {
+		.idcode		= EXYNOS5420_SOC_ID,
+		.idmask		= EXYNOS5_SOC_MASK,
+		.map_io		= exynos5_map_io,
+		.init		= exynos_init,
+		.name		= name_exynos5420,
+	}, {
 		.idcode		= EXYNOS5440_SOC_ID,
 		.idmask		= EXYNOS5_SOC_MASK,
 		.map_io		= exynos5440_map_io,
@@ -111,15 +103,6 @@ static struct cpu_table cpu_ids[] __initdata = {
 
 /* Initial IO mappings */
 
-static struct map_desc exynos_iodesc[] __initdata = {
-	{
-		.virtual	= (unsigned long)S5P_VA_CHIPID,
-		.pfn		= __phys_to_pfn(EXYNOS_PA_CHIPID),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	},
-};
-
 static struct map_desc exynos4_iodesc[] __initdata = {
 	{
 		.virtual	= (unsigned long)S3C_VA_SYS,
@@ -313,16 +296,20 @@ void exynos5_restart(char mode, const char *cmd)
 	u32 val;
 	void __iomem *addr;
 
-	if (of_machine_is_compatible("samsung,exynos5250")) {
-		val = 0x1;
-		addr = EXYNOS_SWRESET;
-	} else if (of_machine_is_compatible("samsung,exynos5440")) {
+	val = 0x1;
+	addr = EXYNOS_SWRESET;
+
+	if (of_machine_is_compatible("samsung,exynos5440")) {
+		u32 status;
 		np = of_find_compatible_node(NULL, NULL, "samsung,exynos5440-clock");
+
+		addr = of_iomap(np, 0) + 0xbc;
+		status = __raw_readl(addr);
+
 		addr = of_iomap(np, 0) + 0xcc;
-		val = (0xfff << 20) | (0x1 << 16);
-	} else {
-		pr_err("%s: cannot support non-DT\n", __func__);
-		return;
+		val = __raw_readl(addr);
+
+		val = (val & 0xffff0000) | (status & 0xffff);
 	}
 
 	__raw_writel(val, addr);
@@ -337,8 +324,7 @@ void __init exynos_init_late(void)
 	exynos_pm_late_initcall();
 }
 
-#ifdef CONFIG_OF
-int __init exynos_fdt_map_chipid(unsigned long node, const char *uname,
+static int __init exynos_fdt_map_chipid(unsigned long node, const char *uname,
 					int depth, void *data)
 {
 	struct map_desc iodesc;
@@ -360,7 +346,6 @@ int __init exynos_fdt_map_chipid(unsigned long node, const char *uname,
 	iotable_init(&iodesc, 1);
 	return 1;
 }
-#endif
 
 /*
  * exynos_map_io
@@ -368,17 +353,11 @@ int __init exynos_fdt_map_chipid(unsigned long node, const char *uname,
  * register the standard cpu IO areas
  */
 
-void __init exynos_init_io(struct map_desc *mach_desc, int size)
+void __init exynos_init_io(void)
 {
-#ifdef CONFIG_OF
-	if (initial_boot_params)
-		of_scan_flat_dt(exynos_fdt_map_chipid, NULL);
-	else
-#endif
-		iotable_init(exynos_iodesc, ARRAY_SIZE(exynos_iodesc));
+	debug_ll_io_init();
 
-	if (mach_desc)
-		iotable_init(mach_desc, size);
+	of_scan_flat_dt(exynos_fdt_map_chipid, NULL);
 
 	/* detect cpu id and rev. */
 	s5p_init_cpu(S5P_VA_CHIPID);
@@ -399,34 +378,6 @@ static void __init exynos4_map_io(void)
 		iotable_init(exynos4210_iodesc, ARRAY_SIZE(exynos4210_iodesc));
 	if (soc_is_exynos4212() || soc_is_exynos4412())
 		iotable_init(exynos4x12_iodesc, ARRAY_SIZE(exynos4x12_iodesc));
-
-	/* initialize device information early */
-	exynos4_default_sdhci0();
-	exynos4_default_sdhci1();
-	exynos4_default_sdhci2();
-	exynos4_default_sdhci3();
-
-	s3c_adc_setname("samsung-adc-v3");
-
-	s3c_fimc_setname(0, "exynos4-fimc");
-	s3c_fimc_setname(1, "exynos4-fimc");
-	s3c_fimc_setname(2, "exynos4-fimc");
-	s3c_fimc_setname(3, "exynos4-fimc");
-
-	s3c_sdhci_setname(0, "exynos4-sdhci");
-	s3c_sdhci_setname(1, "exynos4-sdhci");
-	s3c_sdhci_setname(2, "exynos4-sdhci");
-	s3c_sdhci_setname(3, "exynos4-sdhci");
-
-	/* The I2C bus controllers are directly compatible with s3c2440 */
-	s3c_i2c0_setname("s3c2440-i2c");
-	s3c_i2c1_setname("s3c2440-i2c");
-	s3c_i2c2_setname("s3c2440-i2c");
-
-	s5p_fb_setname(0, "exynos4-fb");
-	s5p_hdmi_setname("exynos4-hdmi");
-
-	s3c64xx_spi_setname("exynos4210-spi");
 }
 
 static void __init exynos5_map_io(void)
@@ -444,60 +395,8 @@ static void __init exynos5440_map_io(void)
 
 void __init exynos_init_time(void)
 {
-	if (of_have_populated_dt()) {
-#ifdef CONFIG_OF
-		of_clk_init(NULL);
-		clocksource_of_init();
-#endif
-	} else {
-		/* todo: remove after migrating legacy E4 platforms to dt */
-#ifdef CONFIG_ARCH_EXYNOS4
-		exynos4_clk_init(NULL, !soc_is_exynos4210(), S5P_VA_CMU, readl(S5P_VA_CHIPID + 8) & 1);
-		exynos4_clk_register_fixed_ext(xxti_f, xusbxti_f);
-#endif
-		mct_init(S5P_VA_SYSTIMER, EXYNOS4_IRQ_MCT_G0, EXYNOS4_IRQ_MCT_L0, EXYNOS4_IRQ_MCT_L1);
-	}
-}
-
-static unsigned int max_combiner_nr(void)
-{
-	if (soc_is_exynos5250())
-		return EXYNOS5_MAX_COMBINER_NR;
-	else if (soc_is_exynos4412())
-		return EXYNOS4412_MAX_COMBINER_NR;
-	else if (soc_is_exynos4212())
-		return EXYNOS4212_MAX_COMBINER_NR;
-	else
-		return EXYNOS4210_MAX_COMBINER_NR;
-}
-
-
-void __init exynos4_init_irq(void)
-{
-	unsigned int gic_bank_offset;
-
-	gic_bank_offset = soc_is_exynos4412() ? 0x4000 : 0x8000;
-
-	if (!of_have_populated_dt())
-		gic_init_bases(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU, gic_bank_offset, NULL);
-#ifdef CONFIG_OF
-	else
-		irqchip_init();
-#endif
-
-	if (!of_have_populated_dt())
-		combiner_init(S5P_VA_COMBINER_BASE, NULL,
-			      max_combiner_nr(), COMBINER_IRQ(0, 0));
-
-	gic_arch_extn.irq_set_wake = s3c_irq_wake;
-}
-
-void __init exynos5_init_irq(void)
-{
-#ifdef CONFIG_OF
-	irqchip_init();
-#endif
-	gic_arch_extn.irq_set_wake = s3c_irq_wake;
+	of_clk_init(NULL);
+	clocksource_of_init();
 }
 
 struct bus_type exynos_subsys = {
@@ -515,59 +414,19 @@ static int __init exynos_core_init(void)
 }
 core_initcall(exynos_core_init);
 
-#ifdef CONFIG_CACHE_L2X0
 static int __init exynos4_l2x0_cache_init(void)
 {
 	int ret;
 
-	if (soc_is_exynos5250() || soc_is_exynos5440())
-		return 0;
-
 	ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK);
-	if (!ret) {
-		l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);
-		clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));
-		return 0;
-	}
-
-	if (!(__raw_readl(S5P_VA_L2CC + L2X0_CTRL) & 0x1)) {
-		l2x0_saved_regs.phy_base = EXYNOS4_PA_L2CC;
-		/* TAG, Data Latency Control: 2 cycles */
-		l2x0_saved_regs.tag_latency = 0x110;
-
-		if (soc_is_exynos4212() || soc_is_exynos4412())
-			l2x0_saved_regs.data_latency = 0x120;
-		else
-			l2x0_saved_regs.data_latency = 0x110;
-
-		l2x0_saved_regs.prefetch_ctrl = 0x30000007;
-		l2x0_saved_regs.pwr_ctrl =
-			(L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN);
+	if (ret)
+		return ret;
 
-		l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);
-
-		__raw_writel(l2x0_saved_regs.tag_latency,
-				S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL);
-		__raw_writel(l2x0_saved_regs.data_latency,
-				S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
-
-		/* L2X0 Prefetch Control */
-		__raw_writel(l2x0_saved_regs.prefetch_ctrl,
-				S5P_VA_L2CC + L2X0_PREFETCH_CTRL);
-
-		/* L2X0 Power Control */
-		__raw_writel(l2x0_saved_regs.pwr_ctrl,
-				S5P_VA_L2CC + L2X0_POWER_CTRL);
-
-		clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));
-		clean_dcache_area(&l2x0_saved_regs, sizeof(struct l2x0_regs));
-	}
-
-	l2x0_init(S5P_VA_L2CC, L2_AUX_VAL, L2_AUX_MASK);
+	l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);
+	clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));
 	return 0;
 }
 early_initcall(exynos4_l2x0_cache_init);
-#endif
 
 static int __init exynos_init(void)
 {
@@ -575,350 +434,3 @@ static int __init exynos_init(void)
 
 	return device_register(&exynos4_dev);
 }
-
-/* uart registration process */
-
-static void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-	struct s3c2410_uartcfg *tcfg = cfg;
-	u32 ucnt;
-
-	for (ucnt = 0; ucnt < no; ucnt++, tcfg++)
-		tcfg->has_fracval = 1;
-
-	s3c24xx_init_uartdevs("exynos4210-uart", exynos4_uart_resources, cfg, no);
-}
-
-static void __iomem *exynos_eint_base;
-
-static DEFINE_SPINLOCK(eint_lock);
-
-static unsigned int eint0_15_data[16];
-
-static inline int exynos4_irq_to_gpio(unsigned int irq)
-{
-	if (irq < IRQ_EINT(0))
-		return -EINVAL;
-
-	irq -= IRQ_EINT(0);
-	if (irq < 8)
-		return EXYNOS4_GPX0(irq);
-
-	irq -= 8;
-	if (irq < 8)
-		return EXYNOS4_GPX1(irq);
-
-	irq -= 8;
-	if (irq < 8)
-		return EXYNOS4_GPX2(irq);
-
-	irq -= 8;
-	if (irq < 8)
-		return EXYNOS4_GPX3(irq);
-
-	return -EINVAL;
-}
-
-static inline int exynos5_irq_to_gpio(unsigned int irq)
-{
-	if (irq < IRQ_EINT(0))
-		return -EINVAL;
-
-	irq -= IRQ_EINT(0);
-	if (irq < 8)
-		return EXYNOS5_GPX0(irq);
-
-	irq -= 8;
-	if (irq < 8)
-		return EXYNOS5_GPX1(irq);
-
-	irq -= 8;
-	if (irq < 8)
-		return EXYNOS5_GPX2(irq);
-
-	irq -= 8;
-	if (irq < 8)
-		return EXYNOS5_GPX3(irq);
-
-	return -EINVAL;
-}
-
-static unsigned int exynos4_eint0_15_src_int[16] = {
-	EXYNOS4_IRQ_EINT0,
-	EXYNOS4_IRQ_EINT1,
-	EXYNOS4_IRQ_EINT2,
-	EXYNOS4_IRQ_EINT3,
-	EXYNOS4_IRQ_EINT4,
-	EXYNOS4_IRQ_EINT5,
-	EXYNOS4_IRQ_EINT6,
-	EXYNOS4_IRQ_EINT7,
-	EXYNOS4_IRQ_EINT8,
-	EXYNOS4_IRQ_EINT9,
-	EXYNOS4_IRQ_EINT10,
-	EXYNOS4_IRQ_EINT11,
-	EXYNOS4_IRQ_EINT12,
-	EXYNOS4_IRQ_EINT13,
-	EXYNOS4_IRQ_EINT14,
-	EXYNOS4_IRQ_EINT15,
-};
-
-static unsigned int exynos5_eint0_15_src_int[16] = {
-	EXYNOS5_IRQ_EINT0,
-	EXYNOS5_IRQ_EINT1,
-	EXYNOS5_IRQ_EINT2,
-	EXYNOS5_IRQ_EINT3,
-	EXYNOS5_IRQ_EINT4,
-	EXYNOS5_IRQ_EINT5,
-	EXYNOS5_IRQ_EINT6,
-	EXYNOS5_IRQ_EINT7,
-	EXYNOS5_IRQ_EINT8,
-	EXYNOS5_IRQ_EINT9,
-	EXYNOS5_IRQ_EINT10,
-	EXYNOS5_IRQ_EINT11,
-	EXYNOS5_IRQ_EINT12,
-	EXYNOS5_IRQ_EINT13,
-	EXYNOS5_IRQ_EINT14,
-	EXYNOS5_IRQ_EINT15,
-};
-static inline void exynos_irq_eint_mask(struct irq_data *data)
-{
-	u32 mask;
-
-	spin_lock(&eint_lock);
-	mask = __raw_readl(EINT_MASK(exynos_eint_base, data->irq));
-	mask |= EINT_OFFSET_BIT(data->irq);
-	__raw_writel(mask, EINT_MASK(exynos_eint_base, data->irq));
-	spin_unlock(&eint_lock);
-}
-
-static void exynos_irq_eint_unmask(struct irq_data *data)
-{
-	u32 mask;
-
-	spin_lock(&eint_lock);
-	mask = __raw_readl(EINT_MASK(exynos_eint_base, data->irq));
-	mask &= ~(EINT_OFFSET_BIT(data->irq));
-	__raw_writel(mask, EINT_MASK(exynos_eint_base, data->irq));
-	spin_unlock(&eint_lock);
-}
-
-static inline void exynos_irq_eint_ack(struct irq_data *data)
-{
-	__raw_writel(EINT_OFFSET_BIT(data->irq),
-		     EINT_PEND(exynos_eint_base, data->irq));
-}
-
-static void exynos_irq_eint_maskack(struct irq_data *data)
-{
-	exynos_irq_eint_mask(data);
-	exynos_irq_eint_ack(data);
-}
-
-static int exynos_irq_eint_set_type(struct irq_data *data, unsigned int type)
-{
-	int offs = EINT_OFFSET(data->irq);
-	int shift;
-	u32 ctrl, mask;
-	u32 newvalue = 0;
-
-	switch (type) {
-	case IRQ_TYPE_EDGE_RISING:
-		newvalue = S5P_IRQ_TYPE_EDGE_RISING;
-		break;
-
-	case IRQ_TYPE_EDGE_FALLING:
-		newvalue = S5P_IRQ_TYPE_EDGE_FALLING;
-		break;
-
-	case IRQ_TYPE_EDGE_BOTH:
-		newvalue = S5P_IRQ_TYPE_EDGE_BOTH;
-		break;
-
-	case IRQ_TYPE_LEVEL_LOW:
-		newvalue = S5P_IRQ_TYPE_LEVEL_LOW;
-		break;
-
-	case IRQ_TYPE_LEVEL_HIGH:
-		newvalue = S5P_IRQ_TYPE_LEVEL_HIGH;
-		break;
-
-	default:
-		printk(KERN_ERR "No such irq type %d", type);
-		return -EINVAL;
-	}
-
-	shift = (offs & 0x7) * 4;
-	mask = 0x7 << shift;
-
-	spin_lock(&eint_lock);
-	ctrl = __raw_readl(EINT_CON(exynos_eint_base, data->irq));
-	ctrl &= ~mask;
-	ctrl |= newvalue << shift;
-	__raw_writel(ctrl, EINT_CON(exynos_eint_base, data->irq));
-	spin_unlock(&eint_lock);
-
-	if (soc_is_exynos5250())
-		s3c_gpio_cfgpin(exynos5_irq_to_gpio(data->irq), S3C_GPIO_SFN(0xf));
-	else
-		s3c_gpio_cfgpin(exynos4_irq_to_gpio(data->irq), S3C_GPIO_SFN(0xf));
-
-	return 0;
-}
-
-static struct irq_chip exynos_irq_eint = {
-	.name		= "exynos-eint",
-	.irq_mask	= exynos_irq_eint_mask,
-	.irq_unmask	= exynos_irq_eint_unmask,
-	.irq_mask_ack	= exynos_irq_eint_maskack,
-	.irq_ack	= exynos_irq_eint_ack,
-	.irq_set_type	= exynos_irq_eint_set_type,
-#ifdef CONFIG_PM
-	.irq_set_wake	= s3c_irqext_wake,
-#endif
-};
-
-/*
- * exynos4_irq_demux_eint
- *
- * This function demuxes the IRQ from from EINTs 16 to 31.
- * It is designed to be inlined into the specific handler
- * s5p_irq_demux_eintX_Y.
- *
- * Each EINT pend/mask registers handle eight of them.
- */
-static inline void exynos_irq_demux_eint(unsigned int start)
-{
-	unsigned int irq;
-
-	u32 status = __raw_readl(EINT_PEND(exynos_eint_base, start));
-	u32 mask = __raw_readl(EINT_MASK(exynos_eint_base, start));
-
-	status &= ~mask;
-	status &= 0xff;
-
-	while (status) {
-		irq = fls(status) - 1;
-		generic_handle_irq(irq + start);
-		status &= ~(1 << irq);
-	}
-}
-
-static void exynos_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
-{
-	struct irq_chip *chip = irq_get_chip(irq);
-	chained_irq_enter(chip, desc);
-	exynos_irq_demux_eint(IRQ_EINT(16));
-	exynos_irq_demux_eint(IRQ_EINT(24));
-	chained_irq_exit(chip, desc);
-}
-
-static void exynos_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
-{
-	u32 *irq_data = irq_get_handler_data(irq);
-	struct irq_chip *chip = irq_get_chip(irq);
-
-	chained_irq_enter(chip, desc);
-	generic_handle_irq(*irq_data);
-	chained_irq_exit(chip, desc);
-}
-
-static int __init exynos_init_irq_eint(void)
-{
-	int irq;
-
-#ifdef CONFIG_PINCTRL_SAMSUNG
-	/*
-	 * The Samsung pinctrl driver provides an integrated gpio/pinmux/pinconf
-	 * functionality along with support for external gpio and wakeup
-	 * interrupts. If the samsung pinctrl driver is enabled and includes
-	 * the wakeup interrupt support, then the setting up external wakeup
-	 * interrupts here can be skipped. This check here is temporary to
-	 * allow exynos4 platforms that do not use Samsung pinctrl driver to
-	 * co-exist with platforms that do. When all of the Samsung Exynos4
-	 * platforms switch over to using the pinctrl driver, the wakeup
-	 * interrupt support code here can be completely removed.
-	 */
-	static const struct of_device_id exynos_pinctrl_ids[] = {
-		{ .compatible = "samsung,exynos4210-pinctrl", },
-		{ .compatible = "samsung,exynos4x12-pinctrl", },
-		{ .compatible = "samsung,exynos5250-pinctrl", },
-	};
-	struct device_node *pctrl_np, *wkup_np;
-	const char *wkup_compat = "samsung,exynos4210-wakeup-eint";
-
-	for_each_matching_node(pctrl_np, exynos_pinctrl_ids) {
-		if (of_device_is_available(pctrl_np)) {
-			wkup_np = of_find_compatible_node(pctrl_np, NULL,
-							wkup_compat);
-			if (wkup_np)
-				return -ENODEV;
-		}
-	}
-#endif
-	if (soc_is_exynos5440())
-		return 0;
-
-	if (soc_is_exynos5250())
-		exynos_eint_base = ioremap(EXYNOS5_PA_GPIO1, SZ_4K);
-	else
-		exynos_eint_base = ioremap(EXYNOS4_PA_GPIO2, SZ_4K);
-
-	if (exynos_eint_base == NULL) {
-		pr_err("unable to ioremap for EINT base address\n");
-		return -ENOMEM;
-	}
-
-	for (irq = 0 ; irq <= 31 ; irq++) {
-		irq_set_chip_and_handler(IRQ_EINT(irq), &exynos_irq_eint,
-					 handle_level_irq);
-		set_irq_flags(IRQ_EINT(irq), IRQF_VALID);
-	}
-
-	irq_set_chained_handler(EXYNOS_IRQ_EINT16_31, exynos_irq_demux_eint16_31);
-
-	for (irq = 0 ; irq <= 15 ; irq++) {
-		eint0_15_data[irq] = IRQ_EINT(irq);
-
-		if (soc_is_exynos5250()) {
-			irq_set_handler_data(exynos5_eint0_15_src_int[irq],
-					     &eint0_15_data[irq]);
-			irq_set_chained_handler(exynos5_eint0_15_src_int[irq],
-						exynos_irq_eint0_15);
-		} else {
-			irq_set_handler_data(exynos4_eint0_15_src_int[irq],
-					     &eint0_15_data[irq]);
-			irq_set_chained_handler(exynos4_eint0_15_src_int[irq],
-						exynos_irq_eint0_15);
-		}
-	}
-
-	return 0;
-}
-arch_initcall(exynos_init_irq_eint);
-
-static struct resource exynos4_pmu_resource[] = {
-	DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU),
-	DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU1),
-#if defined(CONFIG_SOC_EXYNOS4412)
-	DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU2),
-	DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU3),
-#endif
-};
-
-static struct platform_device exynos4_device_pmu = {
-	.name		= "arm-pmu",
-	.num_resources	= ARRAY_SIZE(exynos4_pmu_resource),
-	.resource	= exynos4_pmu_resource,
-};
-
-static int __init exynos_armpmu_init(void)
-{
-	if (!of_have_populated_dt()) {
-		if (soc_is_exynos4210() || soc_is_exynos4212())
-			exynos4_device_pmu.num_resources = 2;
-		platform_device_register(&exynos4_device_pmu);
-	}
-
-	return 0;
-}
-arch_initcall(exynos_armpmu_init);