2 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
3 * http://www.samsung.com
5 * Common Codes for EXYNOS
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/kernel.h>
13 #include <linux/interrupt.h>
14 #include <linux/irq.h>
15 #include <linux/irqchip.h>
17 #include <linux/device.h>
18 #include <linux/gpio.h>
19 #include <linux/sched.h>
20 #include <linux/serial_core.h>
22 #include <linux/of_fdt.h>
23 #include <linux/of_irq.h>
24 #include <linux/export.h>
25 #include <linux/irqdomain.h>
26 #include <linux/of_address.h>
27 #include <linux/clocksource.h>
28 #include <linux/clk-provider.h>
29 #include <linux/irqchip/arm-gic.h>
30 #include <linux/irqchip/chained_irq.h>
32 #include <asm/proc-fns.h>
33 #include <asm/exception.h>
34 #include <asm/hardware/cache-l2x0.h>
35 #include <asm/mach/map.h>
36 #include <asm/mach/irq.h>
37 #include <asm/cacheflush.h>
39 #include <mach/regs-irq.h>
40 #include <mach/regs-pmu.h>
41 #include <mach/regs-gpio.h>
42 #include <mach/irqs.h>
45 #include <plat/devs.h>
47 #include <plat/sdhci.h>
48 #include <plat/gpio-cfg.h>
49 #include <plat/adc-core.h>
50 #include <plat/fb-core.h>
51 #include <plat/fimc-core.h>
52 #include <plat/iic-core.h>
53 #include <plat/tv-core.h>
54 #include <plat/spi-core.h>
55 #include <plat/regs-serial.h>
58 #define L2_AUX_VAL 0x7C470001
59 #define L2_AUX_MASK 0xC200ffff
61 static const char name_exynos4210[] = "EXYNOS4210";
62 static const char name_exynos4212[] = "EXYNOS4212";
63 static const char name_exynos4412[] = "EXYNOS4412";
64 static const char name_exynos5250[] = "EXYNOS5250";
65 static const char name_exynos5440[] = "EXYNOS5440";
67 static void exynos4_map_io(void);
68 static void exynos5_map_io(void);
69 static void exynos5440_map_io(void);
70 static void exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no);
71 static int exynos_init(void);
73 unsigned long xxti_f = 0, xusbxti_f = 0;
75 static struct cpu_table cpu_ids[] __initdata = {
77 .idcode = EXYNOS4210_CPU_ID,
78 .idmask = EXYNOS4_CPU_MASK,
79 .map_io = exynos4_map_io,
80 .init_uarts = exynos4_init_uarts,
82 .name = name_exynos4210,
84 .idcode = EXYNOS4212_CPU_ID,
85 .idmask = EXYNOS4_CPU_MASK,
86 .map_io = exynos4_map_io,
87 .init_uarts = exynos4_init_uarts,
89 .name = name_exynos4212,
91 .idcode = EXYNOS4412_CPU_ID,
92 .idmask = EXYNOS4_CPU_MASK,
93 .map_io = exynos4_map_io,
94 .init_uarts = exynos4_init_uarts,
96 .name = name_exynos4412,
98 .idcode = EXYNOS5250_SOC_ID,
99 .idmask = EXYNOS5_SOC_MASK,
100 .map_io = exynos5_map_io,
102 .name = name_exynos5250,
104 .idcode = EXYNOS5440_SOC_ID,
105 .idmask = EXYNOS5_SOC_MASK,
106 .map_io = exynos5440_map_io,
108 .name = name_exynos5440,
112 /* Initial IO mappings */
114 static struct map_desc exynos_iodesc[] __initdata = {
116 .virtual = (unsigned long)S5P_VA_CHIPID,
117 .pfn = __phys_to_pfn(EXYNOS_PA_CHIPID),
123 static struct map_desc exynos4_iodesc[] __initdata = {
125 .virtual = (unsigned long)S3C_VA_SYS,
126 .pfn = __phys_to_pfn(EXYNOS4_PA_SYSCON),
130 .virtual = (unsigned long)S3C_VA_TIMER,
131 .pfn = __phys_to_pfn(EXYNOS4_PA_TIMER),
135 .virtual = (unsigned long)S3C_VA_WATCHDOG,
136 .pfn = __phys_to_pfn(EXYNOS4_PA_WATCHDOG),
140 .virtual = (unsigned long)S5P_VA_SROMC,
141 .pfn = __phys_to_pfn(EXYNOS4_PA_SROMC),
145 .virtual = (unsigned long)S5P_VA_SYSTIMER,
146 .pfn = __phys_to_pfn(EXYNOS4_PA_SYSTIMER),
150 .virtual = (unsigned long)S5P_VA_PMU,
151 .pfn = __phys_to_pfn(EXYNOS4_PA_PMU),
155 .virtual = (unsigned long)S5P_VA_COMBINER_BASE,
156 .pfn = __phys_to_pfn(EXYNOS4_PA_COMBINER),
160 .virtual = (unsigned long)S5P_VA_GIC_CPU,
161 .pfn = __phys_to_pfn(EXYNOS4_PA_GIC_CPU),
165 .virtual = (unsigned long)S5P_VA_GIC_DIST,
166 .pfn = __phys_to_pfn(EXYNOS4_PA_GIC_DIST),
170 .virtual = (unsigned long)S3C_VA_UART,
171 .pfn = __phys_to_pfn(EXYNOS4_PA_UART),
175 .virtual = (unsigned long)S5P_VA_CMU,
176 .pfn = __phys_to_pfn(EXYNOS4_PA_CMU),
180 .virtual = (unsigned long)S5P_VA_COREPERI_BASE,
181 .pfn = __phys_to_pfn(EXYNOS4_PA_COREPERI),
185 .virtual = (unsigned long)S5P_VA_L2CC,
186 .pfn = __phys_to_pfn(EXYNOS4_PA_L2CC),
190 .virtual = (unsigned long)S5P_VA_DMC0,
191 .pfn = __phys_to_pfn(EXYNOS4_PA_DMC0),
195 .virtual = (unsigned long)S5P_VA_DMC1,
196 .pfn = __phys_to_pfn(EXYNOS4_PA_DMC1),
200 .virtual = (unsigned long)S3C_VA_USB_HSPHY,
201 .pfn = __phys_to_pfn(EXYNOS4_PA_HSPHY),
207 static struct map_desc exynos4_iodesc0[] __initdata = {
209 .virtual = (unsigned long)S5P_VA_SYSRAM,
210 .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM0),
216 static struct map_desc exynos4_iodesc1[] __initdata = {
218 .virtual = (unsigned long)S5P_VA_SYSRAM,
219 .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM1),
225 static struct map_desc exynos4210_iodesc[] __initdata = {
227 .virtual = (unsigned long)S5P_VA_SYSRAM_NS,
228 .pfn = __phys_to_pfn(EXYNOS4210_PA_SYSRAM_NS),
234 static struct map_desc exynos4x12_iodesc[] __initdata = {
236 .virtual = (unsigned long)S5P_VA_SYSRAM_NS,
237 .pfn = __phys_to_pfn(EXYNOS4x12_PA_SYSRAM_NS),
243 static struct map_desc exynos5250_iodesc[] __initdata = {
245 .virtual = (unsigned long)S5P_VA_SYSRAM_NS,
246 .pfn = __phys_to_pfn(EXYNOS5250_PA_SYSRAM_NS),
252 static struct map_desc exynos5_iodesc[] __initdata = {
254 .virtual = (unsigned long)S3C_VA_SYS,
255 .pfn = __phys_to_pfn(EXYNOS5_PA_SYSCON),
259 .virtual = (unsigned long)S3C_VA_TIMER,
260 .pfn = __phys_to_pfn(EXYNOS5_PA_TIMER),
264 .virtual = (unsigned long)S3C_VA_WATCHDOG,
265 .pfn = __phys_to_pfn(EXYNOS5_PA_WATCHDOG),
269 .virtual = (unsigned long)S5P_VA_SROMC,
270 .pfn = __phys_to_pfn(EXYNOS5_PA_SROMC),
274 .virtual = (unsigned long)S5P_VA_SYSRAM,
275 .pfn = __phys_to_pfn(EXYNOS5_PA_SYSRAM),
279 .virtual = (unsigned long)S5P_VA_CMU,
280 .pfn = __phys_to_pfn(EXYNOS5_PA_CMU),
281 .length = 144 * SZ_1K,
284 .virtual = (unsigned long)S5P_VA_PMU,
285 .pfn = __phys_to_pfn(EXYNOS5_PA_PMU),
289 .virtual = (unsigned long)S3C_VA_UART,
290 .pfn = __phys_to_pfn(EXYNOS5_PA_UART),
296 static struct map_desc exynos5440_iodesc0[] __initdata = {
298 .virtual = (unsigned long)S3C_VA_UART,
299 .pfn = __phys_to_pfn(EXYNOS5440_PA_UART0),
305 void exynos4_restart(char mode, const char *cmd)
307 __raw_writel(0x1, S5P_SWRESET);
310 void exynos5_restart(char mode, const char *cmd)
312 struct device_node *np;
316 if (of_machine_is_compatible("samsung,exynos5250")) {
318 addr = EXYNOS_SWRESET;
319 } else if (of_machine_is_compatible("samsung,exynos5440")) {
320 np = of_find_compatible_node(NULL, NULL, "samsung,exynos5440-clock");
321 addr = of_iomap(np, 0) + 0xcc;
322 val = (0xfff << 20) | (0x1 << 16);
324 pr_err("%s: cannot support non-DT\n", __func__);
328 __raw_writel(val, addr);
331 void __init exynos_init_late(void)
333 if (of_machine_is_compatible("samsung,exynos5440"))
334 /* to be supported later */
337 exynos_pm_late_initcall();
341 int __init exynos_fdt_map_chipid(unsigned long node, const char *uname,
342 int depth, void *data)
344 struct map_desc iodesc;
348 if (!of_flat_dt_is_compatible(node, "samsung,exynos4210-chipid") &&
349 !of_flat_dt_is_compatible(node, "samsung,exynos5440-clock"))
352 reg = of_get_flat_dt_prop(node, "reg", &len);
353 if (reg == NULL || len != (sizeof(unsigned long) * 2))
356 iodesc.pfn = __phys_to_pfn(be32_to_cpu(reg[0]));
357 iodesc.length = be32_to_cpu(reg[1]) - 1;
358 iodesc.virtual = (unsigned long)S5P_VA_CHIPID;
359 iodesc.type = MT_DEVICE;
360 iotable_init(&iodesc, 1);
368 * register the standard cpu IO areas
371 void __init exynos_init_io(struct map_desc *mach_desc, int size)
374 if (initial_boot_params)
375 of_scan_flat_dt(exynos_fdt_map_chipid, NULL);
378 iotable_init(exynos_iodesc, ARRAY_SIZE(exynos_iodesc));
381 iotable_init(mach_desc, size);
383 /* detect cpu id and rev. */
384 s5p_init_cpu(S5P_VA_CHIPID);
386 s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
389 static void __init exynos4_map_io(void)
391 iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc));
393 if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_0)
394 iotable_init(exynos4_iodesc0, ARRAY_SIZE(exynos4_iodesc0));
396 iotable_init(exynos4_iodesc1, ARRAY_SIZE(exynos4_iodesc1));
398 if (soc_is_exynos4210())
399 iotable_init(exynos4210_iodesc, ARRAY_SIZE(exynos4210_iodesc));
400 if (soc_is_exynos4212() || soc_is_exynos4412())
401 iotable_init(exynos4x12_iodesc, ARRAY_SIZE(exynos4x12_iodesc));
403 /* initialize device information early */
404 exynos4_default_sdhci0();
405 exynos4_default_sdhci1();
406 exynos4_default_sdhci2();
407 exynos4_default_sdhci3();
409 s3c_adc_setname("samsung-adc-v3");
411 s3c_fimc_setname(0, "exynos4-fimc");
412 s3c_fimc_setname(1, "exynos4-fimc");
413 s3c_fimc_setname(2, "exynos4-fimc");
414 s3c_fimc_setname(3, "exynos4-fimc");
416 s3c_sdhci_setname(0, "exynos4-sdhci");
417 s3c_sdhci_setname(1, "exynos4-sdhci");
418 s3c_sdhci_setname(2, "exynos4-sdhci");
419 s3c_sdhci_setname(3, "exynos4-sdhci");
421 /* The I2C bus controllers are directly compatible with s3c2440 */
422 s3c_i2c0_setname("s3c2440-i2c");
423 s3c_i2c1_setname("s3c2440-i2c");
424 s3c_i2c2_setname("s3c2440-i2c");
426 s5p_fb_setname(0, "exynos4-fb");
427 s5p_hdmi_setname("exynos4-hdmi");
429 s3c64xx_spi_setname("exynos4210-spi");
432 static void __init exynos5_map_io(void)
434 iotable_init(exynos5_iodesc, ARRAY_SIZE(exynos5_iodesc));
436 if (soc_is_exynos5250())
437 iotable_init(exynos5250_iodesc, ARRAY_SIZE(exynos5250_iodesc));
440 static void __init exynos5440_map_io(void)
442 iotable_init(exynos5440_iodesc0, ARRAY_SIZE(exynos5440_iodesc0));
445 void __init exynos_init_time(void)
447 if (of_have_populated_dt()) {
450 clocksource_of_init();
453 /* todo: remove after migrating legacy E4 platforms to dt */
454 #ifdef CONFIG_ARCH_EXYNOS4
455 exynos4_clk_init(NULL);
456 exynos4_clk_register_fixed_ext(xxti_f, xusbxti_f);
462 void __init exynos4_init_irq(void)
464 unsigned int gic_bank_offset;
466 gic_bank_offset = soc_is_exynos4412() ? 0x4000 : 0x8000;
468 if (!of_have_populated_dt())
469 gic_init_bases(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU, gic_bank_offset, NULL);
475 if (!of_have_populated_dt())
476 combiner_init(S5P_VA_COMBINER_BASE, NULL);
479 * The parameters of s5p_init_irq() are for VIC init.
480 * Theses parameters should be NULL and 0 because EXYNOS4
481 * uses GIC instead of VIC.
483 s5p_init_irq(NULL, 0);
485 gic_arch_extn.irq_set_wake = s3c_irq_wake;
488 void __init exynos5_init_irq(void)
494 * The parameters of s5p_init_irq() are for VIC init.
495 * Theses parameters should be NULL and 0 because EXYNOS4
496 * uses GIC instead of VIC.
498 if (!of_machine_is_compatible("samsung,exynos5440"))
499 s5p_init_irq(NULL, 0);
501 gic_arch_extn.irq_set_wake = s3c_irq_wake;
504 struct bus_type exynos_subsys = {
505 .name = "exynos-core",
506 .dev_name = "exynos-core",
509 static struct device exynos4_dev = {
510 .bus = &exynos_subsys,
513 static int __init exynos_core_init(void)
515 return subsys_system_register(&exynos_subsys, NULL);
517 core_initcall(exynos_core_init);
519 #ifdef CONFIG_CACHE_L2X0
520 static int __init exynos4_l2x0_cache_init(void)
524 if (soc_is_exynos5250() || soc_is_exynos5440())
527 ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK);
529 l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);
530 clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));
534 if (!(__raw_readl(S5P_VA_L2CC + L2X0_CTRL) & 0x1)) {
535 l2x0_saved_regs.phy_base = EXYNOS4_PA_L2CC;
536 /* TAG, Data Latency Control: 2 cycles */
537 l2x0_saved_regs.tag_latency = 0x110;
539 if (soc_is_exynos4212() || soc_is_exynos4412())
540 l2x0_saved_regs.data_latency = 0x120;
542 l2x0_saved_regs.data_latency = 0x110;
544 l2x0_saved_regs.prefetch_ctrl = 0x30000007;
545 l2x0_saved_regs.pwr_ctrl =
546 (L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN);
548 l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);
550 __raw_writel(l2x0_saved_regs.tag_latency,
551 S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL);
552 __raw_writel(l2x0_saved_regs.data_latency,
553 S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
555 /* L2X0 Prefetch Control */
556 __raw_writel(l2x0_saved_regs.prefetch_ctrl,
557 S5P_VA_L2CC + L2X0_PREFETCH_CTRL);
559 /* L2X0 Power Control */
560 __raw_writel(l2x0_saved_regs.pwr_ctrl,
561 S5P_VA_L2CC + L2X0_POWER_CTRL);
563 clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));
564 clean_dcache_area(&l2x0_saved_regs, sizeof(struct l2x0_regs));
567 l2x0_init(S5P_VA_L2CC, L2_AUX_VAL, L2_AUX_MASK);
570 early_initcall(exynos4_l2x0_cache_init);
573 static int __init exynos_init(void)
575 printk(KERN_INFO "EXYNOS: Initializing architecture\n");
577 return device_register(&exynos4_dev);
580 /* uart registration process */
582 static void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no)
584 struct s3c2410_uartcfg *tcfg = cfg;
587 for (ucnt = 0; ucnt < no; ucnt++, tcfg++)
588 tcfg->has_fracval = 1;
590 s3c24xx_init_uartdevs("exynos4210-uart", exynos4_uart_resources, cfg, no);
593 static void __iomem *exynos_eint_base;
595 static DEFINE_SPINLOCK(eint_lock);
597 static unsigned int eint0_15_data[16];
599 static inline int exynos4_irq_to_gpio(unsigned int irq)
601 if (irq < IRQ_EINT(0))
606 return EXYNOS4_GPX0(irq);
610 return EXYNOS4_GPX1(irq);
614 return EXYNOS4_GPX2(irq);
618 return EXYNOS4_GPX3(irq);
623 static inline int exynos5_irq_to_gpio(unsigned int irq)
625 if (irq < IRQ_EINT(0))
630 return EXYNOS5_GPX0(irq);
634 return EXYNOS5_GPX1(irq);
638 return EXYNOS5_GPX2(irq);
642 return EXYNOS5_GPX3(irq);
647 static unsigned int exynos4_eint0_15_src_int[16] = {
666 static unsigned int exynos5_eint0_15_src_int[16] = {
684 static inline void exynos_irq_eint_mask(struct irq_data *data)
688 spin_lock(&eint_lock);
689 mask = __raw_readl(EINT_MASK(exynos_eint_base, data->irq));
690 mask |= EINT_OFFSET_BIT(data->irq);
691 __raw_writel(mask, EINT_MASK(exynos_eint_base, data->irq));
692 spin_unlock(&eint_lock);
695 static void exynos_irq_eint_unmask(struct irq_data *data)
699 spin_lock(&eint_lock);
700 mask = __raw_readl(EINT_MASK(exynos_eint_base, data->irq));
701 mask &= ~(EINT_OFFSET_BIT(data->irq));
702 __raw_writel(mask, EINT_MASK(exynos_eint_base, data->irq));
703 spin_unlock(&eint_lock);
706 static inline void exynos_irq_eint_ack(struct irq_data *data)
708 __raw_writel(EINT_OFFSET_BIT(data->irq),
709 EINT_PEND(exynos_eint_base, data->irq));
712 static void exynos_irq_eint_maskack(struct irq_data *data)
714 exynos_irq_eint_mask(data);
715 exynos_irq_eint_ack(data);
718 static int exynos_irq_eint_set_type(struct irq_data *data, unsigned int type)
720 int offs = EINT_OFFSET(data->irq);
726 case IRQ_TYPE_EDGE_RISING:
727 newvalue = S5P_IRQ_TYPE_EDGE_RISING;
730 case IRQ_TYPE_EDGE_FALLING:
731 newvalue = S5P_IRQ_TYPE_EDGE_FALLING;
734 case IRQ_TYPE_EDGE_BOTH:
735 newvalue = S5P_IRQ_TYPE_EDGE_BOTH;
738 case IRQ_TYPE_LEVEL_LOW:
739 newvalue = S5P_IRQ_TYPE_LEVEL_LOW;
742 case IRQ_TYPE_LEVEL_HIGH:
743 newvalue = S5P_IRQ_TYPE_LEVEL_HIGH;
747 printk(KERN_ERR "No such irq type %d", type);
751 shift = (offs & 0x7) * 4;
754 spin_lock(&eint_lock);
755 ctrl = __raw_readl(EINT_CON(exynos_eint_base, data->irq));
757 ctrl |= newvalue << shift;
758 __raw_writel(ctrl, EINT_CON(exynos_eint_base, data->irq));
759 spin_unlock(&eint_lock);
761 if (soc_is_exynos5250())
762 s3c_gpio_cfgpin(exynos5_irq_to_gpio(data->irq), S3C_GPIO_SFN(0xf));
764 s3c_gpio_cfgpin(exynos4_irq_to_gpio(data->irq), S3C_GPIO_SFN(0xf));
769 static struct irq_chip exynos_irq_eint = {
770 .name = "exynos-eint",
771 .irq_mask = exynos_irq_eint_mask,
772 .irq_unmask = exynos_irq_eint_unmask,
773 .irq_mask_ack = exynos_irq_eint_maskack,
774 .irq_ack = exynos_irq_eint_ack,
775 .irq_set_type = exynos_irq_eint_set_type,
777 .irq_set_wake = s3c_irqext_wake,
782 * exynos4_irq_demux_eint
784 * This function demuxes the IRQ from from EINTs 16 to 31.
785 * It is designed to be inlined into the specific handler
786 * s5p_irq_demux_eintX_Y.
788 * Each EINT pend/mask registers handle eight of them.
790 static inline void exynos_irq_demux_eint(unsigned int start)
794 u32 status = __raw_readl(EINT_PEND(exynos_eint_base, start));
795 u32 mask = __raw_readl(EINT_MASK(exynos_eint_base, start));
801 irq = fls(status) - 1;
802 generic_handle_irq(irq + start);
803 status &= ~(1 << irq);
807 static void exynos_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
809 struct irq_chip *chip = irq_get_chip(irq);
810 chained_irq_enter(chip, desc);
811 exynos_irq_demux_eint(IRQ_EINT(16));
812 exynos_irq_demux_eint(IRQ_EINT(24));
813 chained_irq_exit(chip, desc);
816 static void exynos_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
818 u32 *irq_data = irq_get_handler_data(irq);
819 struct irq_chip *chip = irq_get_chip(irq);
821 chained_irq_enter(chip, desc);
822 generic_handle_irq(*irq_data);
823 chained_irq_exit(chip, desc);
826 static int __init exynos_init_irq_eint(void)
830 #ifdef CONFIG_PINCTRL_SAMSUNG
832 * The Samsung pinctrl driver provides an integrated gpio/pinmux/pinconf
833 * functionality along with support for external gpio and wakeup
834 * interrupts. If the samsung pinctrl driver is enabled and includes
835 * the wakeup interrupt support, then the setting up external wakeup
836 * interrupts here can be skipped. This check here is temporary to
837 * allow exynos4 platforms that do not use Samsung pinctrl driver to
838 * co-exist with platforms that do. When all of the Samsung Exynos4
839 * platforms switch over to using the pinctrl driver, the wakeup
840 * interrupt support code here can be completely removed.
842 static const struct of_device_id exynos_pinctrl_ids[] = {
843 { .compatible = "samsung,exynos4210-pinctrl", },
844 { .compatible = "samsung,exynos4x12-pinctrl", },
845 { .compatible = "samsung,exynos5250-pinctrl", },
847 struct device_node *pctrl_np, *wkup_np;
848 const char *wkup_compat = "samsung,exynos4210-wakeup-eint";
850 for_each_matching_node(pctrl_np, exynos_pinctrl_ids) {
851 if (of_device_is_available(pctrl_np)) {
852 wkup_np = of_find_compatible_node(pctrl_np, NULL,
859 if (soc_is_exynos5440())
862 if (soc_is_exynos5250())
863 exynos_eint_base = ioremap(EXYNOS5_PA_GPIO1, SZ_4K);
865 exynos_eint_base = ioremap(EXYNOS4_PA_GPIO2, SZ_4K);
867 if (exynos_eint_base == NULL) {
868 pr_err("unable to ioremap for EINT base address\n");
872 for (irq = 0 ; irq <= 31 ; irq++) {
873 irq_set_chip_and_handler(IRQ_EINT(irq), &exynos_irq_eint,
875 set_irq_flags(IRQ_EINT(irq), IRQF_VALID);
878 irq_set_chained_handler(EXYNOS_IRQ_EINT16_31, exynos_irq_demux_eint16_31);
880 for (irq = 0 ; irq <= 15 ; irq++) {
881 eint0_15_data[irq] = IRQ_EINT(irq);
883 if (soc_is_exynos5250()) {
884 irq_set_handler_data(exynos5_eint0_15_src_int[irq],
885 &eint0_15_data[irq]);
886 irq_set_chained_handler(exynos5_eint0_15_src_int[irq],
887 exynos_irq_eint0_15);
889 irq_set_handler_data(exynos4_eint0_15_src_int[irq],
890 &eint0_15_data[irq]);
891 irq_set_chained_handler(exynos4_eint0_15_src_int[irq],
892 exynos_irq_eint0_15);
898 arch_initcall(exynos_init_irq_eint);
900 static struct resource exynos4_pmu_resource[] = {
901 DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU),
902 DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU1),
903 #if defined(CONFIG_SOC_EXYNOS4412)
904 DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU2),
905 DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU3),
909 static struct platform_device exynos4_device_pmu = {
911 .num_resources = ARRAY_SIZE(exynos4_pmu_resource),
912 .resource = exynos4_pmu_resource,
915 static int __init exynos_armpmu_init(void)
917 if (!of_have_populated_dt()) {
918 if (soc_is_exynos4210() || soc_is_exynos4212())
919 exynos4_device_pmu.num_resources = 2;
920 platform_device_register(&exynos4_device_pmu);
925 arch_initcall(exynos_armpmu_init);