ARM: SAMSUNG: move hr timer for common s5p into plat-samsung

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

3 files changed, 0 insertions, 416 deletions

diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index 8e45c8b15d1b..795790df7404 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -23,12 +23,6 @@ config PLAT_S5P
 	help
 	  Base platform code for Samsung's S5P series SoC.
 
-config S5P_HRT
-	bool
-	select SAMSUNG_DEV_PWM
-	help
-	  Use the High Resolution timer support
-
 config S5P_DEV_UART
 	def_bool y
 	depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
index c81106f5d7c1..0a2ce38b179f 100644
--- a/arch/arm/plat-s5p/Makefile
+++ b/arch/arm/plat-s5p/Makefile
@@ -10,10 +10,6 @@ obj-m				:=
 obj-n				:= dummy.o
 obj-				:=
 
-# Core files
-
-obj-$(CONFIG_S5P_HRT) 		+= s5p-time.o
-
 # devices
 
 obj-$(CONFIG_S5P_DEV_UART)	+= dev-uart.o
diff --git a/arch/arm/plat-s5p/s5p-time.c b/arch/arm/plat-s5p/s5p-time.c
deleted file mode 100644
index 17c0a2c58dfd..000000000000
--- a/arch/arm/plat-s5p/s5p-time.c
+++ /dev/null
@@ -1,406 +0,0 @@
-/* linux/arch/arm/plat-s5p/s5p-time.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * S5P - Common hr-timer support
- *
- * 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/interrupt.h>
-#include <linux/irq.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/clockchips.h>
-#include <linux/platform_device.h>
-
-#include <asm/smp_twd.h>
-#include <asm/mach/time.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/sched_clock.h>
-
-#include <mach/map.h>
-#include <plat/devs.h>
-#include <plat/regs-timer.h>
-#include <plat/s5p-time.h>
-
-static struct clk *tin_event;
-static struct clk *tin_source;
-static struct clk *tdiv_event;
-static struct clk *tdiv_source;
-static struct clk *timerclk;
-static struct s5p_timer_source timer_source;
-static unsigned long clock_count_per_tick;
-static void s5p_timer_resume(void);
-
-static void s5p_time_stop(enum s5p_timer_mode mode)
-{
-	unsigned long tcon;
-
-	tcon = __raw_readl(S3C2410_TCON);
-
-	switch (mode) {
-	case S5P_PWM0:
-		tcon &= ~S3C2410_TCON_T0START;
-		break;
-
-	case S5P_PWM1:
-		tcon &= ~S3C2410_TCON_T1START;
-		break;
-
-	case S5P_PWM2:
-		tcon &= ~S3C2410_TCON_T2START;
-		break;
-
-	case S5P_PWM3:
-		tcon &= ~S3C2410_TCON_T3START;
-		break;
-
-	case S5P_PWM4:
-		tcon &= ~S3C2410_TCON_T4START;
-		break;
-
-	default:
-		printk(KERN_ERR "Invalid Timer %d\n", mode);
-		break;
-	}
-	__raw_writel(tcon, S3C2410_TCON);
-}
-
-static void s5p_time_setup(enum s5p_timer_mode mode, unsigned long tcnt)
-{
-	unsigned long tcon;
-
-	tcon = __raw_readl(S3C2410_TCON);
-
-	tcnt--;
-
-	switch (mode) {
-	case S5P_PWM0:
-		tcon &= ~(0x0f << 0);
-		tcon |= S3C2410_TCON_T0MANUALUPD;
-		break;
-
-	case S5P_PWM1:
-		tcon &= ~(0x0f << 8);
-		tcon |= S3C2410_TCON_T1MANUALUPD;
-		break;
-
-	case S5P_PWM2:
-		tcon &= ~(0x0f << 12);
-		tcon |= S3C2410_TCON_T2MANUALUPD;
-		break;
-
-	case S5P_PWM3:
-		tcon &= ~(0x0f << 16);
-		tcon |= S3C2410_TCON_T3MANUALUPD;
-		break;
-
-	case S5P_PWM4:
-		tcon &= ~(0x07 << 20);
-		tcon |= S3C2410_TCON_T4MANUALUPD;
-		break;
-
-	default:
-		printk(KERN_ERR "Invalid Timer %d\n", mode);
-		break;
-	}
-
-	__raw_writel(tcnt, S3C2410_TCNTB(mode));
-	__raw_writel(tcnt, S3C2410_TCMPB(mode));
-	__raw_writel(tcon, S3C2410_TCON);
-}
-
-static void s5p_time_start(enum s5p_timer_mode mode, bool periodic)
-{
-	unsigned long tcon;
-
-	tcon  = __raw_readl(S3C2410_TCON);
-
-	switch (mode) {
-	case S5P_PWM0:
-		tcon |= S3C2410_TCON_T0START;
-		tcon &= ~S3C2410_TCON_T0MANUALUPD;
-
-		if (periodic)
-			tcon |= S3C2410_TCON_T0RELOAD;
-		else
-			tcon &= ~S3C2410_TCON_T0RELOAD;
-		break;
-
-	case S5P_PWM1:
-		tcon |= S3C2410_TCON_T1START;
-		tcon &= ~S3C2410_TCON_T1MANUALUPD;
-
-		if (periodic)
-			tcon |= S3C2410_TCON_T1RELOAD;
-		else
-			tcon &= ~S3C2410_TCON_T1RELOAD;
-		break;
-
-	case S5P_PWM2:
-		tcon |= S3C2410_TCON_T2START;
-		tcon &= ~S3C2410_TCON_T2MANUALUPD;
-
-		if (periodic)
-			tcon |= S3C2410_TCON_T2RELOAD;
-		else
-			tcon &= ~S3C2410_TCON_T2RELOAD;
-		break;
-
-	case S5P_PWM3:
-		tcon |= S3C2410_TCON_T3START;
-		tcon &= ~S3C2410_TCON_T3MANUALUPD;
-
-		if (periodic)
-			tcon |= S3C2410_TCON_T3RELOAD;
-		else
-			tcon &= ~S3C2410_TCON_T3RELOAD;
-		break;
-
-	case S5P_PWM4:
-		tcon |= S3C2410_TCON_T4START;
-		tcon &= ~S3C2410_TCON_T4MANUALUPD;
-
-		if (periodic)
-			tcon |= S3C2410_TCON_T4RELOAD;
-		else
-			tcon &= ~S3C2410_TCON_T4RELOAD;
-		break;
-
-	default:
-		printk(KERN_ERR "Invalid Timer %d\n", mode);
-		break;
-	}
-	__raw_writel(tcon, S3C2410_TCON);
-}
-
-static int s5p_set_next_event(unsigned long cycles,
-				struct clock_event_device *evt)
-{
-	s5p_time_setup(timer_source.event_id, cycles);
-	s5p_time_start(timer_source.event_id, NON_PERIODIC);
-
-	return 0;
-}
-
-static void s5p_set_mode(enum clock_event_mode mode,
-				struct clock_event_device *evt)
-{
-	s5p_time_stop(timer_source.event_id);
-
-	switch (mode) {
-	case CLOCK_EVT_MODE_PERIODIC:
-		s5p_time_setup(timer_source.event_id, clock_count_per_tick);
-		s5p_time_start(timer_source.event_id, PERIODIC);
-		break;
-
-	case CLOCK_EVT_MODE_ONESHOT:
-		break;
-
-	case CLOCK_EVT_MODE_UNUSED:
-	case CLOCK_EVT_MODE_SHUTDOWN:
-		break;
-
-	case CLOCK_EVT_MODE_RESUME:
-		s5p_timer_resume();
-		break;
-	}
-}
-
-static void s5p_timer_resume(void)
-{
-	/* event timer restart */
-	s5p_time_setup(timer_source.event_id, clock_count_per_tick);
-	s5p_time_start(timer_source.event_id, PERIODIC);
-
-	/* source timer restart */
-	s5p_time_setup(timer_source.source_id, TCNT_MAX);
-	s5p_time_start(timer_source.source_id, PERIODIC);
-}
-
-void __init s5p_set_timer_source(enum s5p_timer_mode event,
-				 enum s5p_timer_mode source)
-{
-	s3c_device_timer[event].dev.bus = &platform_bus_type;
-	s3c_device_timer[source].dev.bus = &platform_bus_type;
-
-	timer_source.event_id = event;
-	timer_source.source_id = source;
-}
-
-static struct clock_event_device time_event_device = {
-	.name		= "s5p_event_timer",
-	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
-	.rating		= 200,
-	.set_next_event	= s5p_set_next_event,
-	.set_mode	= s5p_set_mode,
-};
-
-static irqreturn_t s5p_clock_event_isr(int irq, void *dev_id)
-{
-	struct clock_event_device *evt = dev_id;
-
-	evt->event_handler(evt);
-
-	return IRQ_HANDLED;
-}
-
-static struct irqaction s5p_clock_event_irq = {
-	.name		= "s5p_time_irq",
-	.flags		= IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
-	.handler	= s5p_clock_event_isr,
-	.dev_id		= &time_event_device,
-};
-
-static void __init s5p_clockevent_init(void)
-{
-	unsigned long pclk;
-	unsigned long clock_rate;
-	unsigned int irq_number;
-	struct clk *tscaler;
-
-	pclk = clk_get_rate(timerclk);
-
-	tscaler = clk_get_parent(tdiv_event);
-
-	clk_set_rate(tscaler, pclk / 2);
-	clk_set_rate(tdiv_event, pclk / 2);
-	clk_set_parent(tin_event, tdiv_event);
-
-	clock_rate = clk_get_rate(tin_event);
-	clock_count_per_tick = clock_rate / HZ;
-
-	clockevents_calc_mult_shift(&time_event_device,
-				    clock_rate, S5PTIMER_MIN_RANGE);
-	time_event_device.max_delta_ns =
-		clockevent_delta2ns(-1, &time_event_device);
-	time_event_device.min_delta_ns =
-		clockevent_delta2ns(1, &time_event_device);
-
-	time_event_device.cpumask = cpumask_of(0);
-	clockevents_register_device(&time_event_device);
-
-	irq_number = timer_source.event_id + IRQ_TIMER0;
-	setup_irq(irq_number, &s5p_clock_event_irq);
-}
-
-static void __iomem *s5p_timer_reg(void)
-{
-	unsigned long offset = 0;
-
-	switch (timer_source.source_id) {
-	case S5P_PWM0:
-	case S5P_PWM1:
-	case S5P_PWM2:
-	case S5P_PWM3:
-		offset = (timer_source.source_id * 0x0c) + 0x14;
-		break;
-
-	case S5P_PWM4:
-		offset = 0x40;
-		break;
-
-	default:
-		printk(KERN_ERR "Invalid Timer %d\n", timer_source.source_id);
-		return NULL;
-	}
-
-	return S3C_TIMERREG(offset);
-}
-
-/*
- * Override the global weak sched_clock symbol with this
- * local implementation which uses the clocksource to get some
- * better resolution when scheduling the kernel. We accept that
- * this wraps around for now, since it is just a relative time
- * stamp. (Inspired by U300 implementation.)
- */
-static u32 notrace s5p_read_sched_clock(void)
-{
-	void __iomem *reg = s5p_timer_reg();
-
-	if (!reg)
-		return 0;
-
-	return ~__raw_readl(reg);
-}
-
-static void __init s5p_clocksource_init(void)
-{
-	unsigned long pclk;
-	unsigned long clock_rate;
-
-	pclk = clk_get_rate(timerclk);
-
-	clk_set_rate(tdiv_source, pclk / 2);
-	clk_set_parent(tin_source, tdiv_source);
-
-	clock_rate = clk_get_rate(tin_source);
-
-	s5p_time_setup(timer_source.source_id, TCNT_MAX);
-	s5p_time_start(timer_source.source_id, PERIODIC);
-
-	setup_sched_clock(s5p_read_sched_clock, 32, clock_rate);
-
-	if (clocksource_mmio_init(s5p_timer_reg(), "s5p_clocksource_timer",
-			clock_rate, 250, 32, clocksource_mmio_readl_down))
-		panic("s5p_clocksource_timer: can't register clocksource\n");
-}
-
-static void __init s5p_timer_resources(void)
-{
-
-	unsigned long event_id = timer_source.event_id;
-	unsigned long source_id = timer_source.source_id;
-	char devname[15];
-
-	timerclk = clk_get(NULL, "timers");
-	if (IS_ERR(timerclk))
-		panic("failed to get timers clock for timer");
-
-	clk_enable(timerclk);
-
-	sprintf(devname, "s3c24xx-pwm.%lu", event_id);
-	s3c_device_timer[event_id].id = event_id;
-	s3c_device_timer[event_id].dev.init_name = devname;
-
-	tin_event = clk_get(&s3c_device_timer[event_id].dev, "pwm-tin");
-	if (IS_ERR(tin_event))
-		panic("failed to get pwm-tin clock for event timer");
-
-	tdiv_event = clk_get(&s3c_device_timer[event_id].dev, "pwm-tdiv");
-	if (IS_ERR(tdiv_event))
-		panic("failed to get pwm-tdiv clock for event timer");
-
-	clk_enable(tin_event);
-
-	sprintf(devname, "s3c24xx-pwm.%lu", source_id);
-	s3c_device_timer[source_id].id = source_id;
-	s3c_device_timer[source_id].dev.init_name = devname;
-
-	tin_source = clk_get(&s3c_device_timer[source_id].dev, "pwm-tin");
-	if (IS_ERR(tin_source))
-		panic("failed to get pwm-tin clock for source timer");
-
-	tdiv_source = clk_get(&s3c_device_timer[source_id].dev, "pwm-tdiv");
-	if (IS_ERR(tdiv_source))
-		panic("failed to get pwm-tdiv clock for source timer");
-
-	clk_enable(tin_source);
-}
-
-static void __init s5p_timer_init(void)
-{
-	s5p_timer_resources();
-	s5p_clockevent_init();
-	s5p_clocksource_init();
-}
-
-struct sys_timer s5p_timer = {
-	.init		= s5p_timer_init,
-};