Commit 76c7473f authored by Bartosz Golaszewski's avatar Bartosz Golaszewski Committed by Sekhar Nori
Browse files

ARM: davinci: da850: switch to using the clocksource driver



We now have a proper clocksource driver for davinci. Switch the da850
platform to using it.

Signed-off-by: default avatarBartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: default avatarDavid Lechner <david@lechnology.com>
Signed-off-by: default avatarSekhar Nori <nsekhar@ti.com>
parent d470df3b
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+13 −33
Original line number Diff line number Diff line
@@ -35,7 +35,8 @@
#include <mach/cputype.h>
#include <mach/da8xx.h>
#include <mach/pm.h>
#include <mach/time.h>

#include <clocksource/timer-davinci.h>

#include "irqs.h"
#include "mux.h"
@@ -333,38 +334,16 @@ static struct davinci_id da850_ids[] = {
	},
};

static struct davinci_timer_instance da850_timer_instance[4] = {
	{
		.base		= DA8XX_TIMER64P0_BASE,
		.bottom_irq	= DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_0),
		.top_irq	= DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_0),
	},
	{
		.base		= DA8XX_TIMER64P1_BASE,
		.bottom_irq	= DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_1),
		.top_irq	= DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_1),
	},
	{
		.base		= DA850_TIMER64P2_BASE,
		.bottom_irq	= DAVINCI_INTC_IRQ(IRQ_DA850_TINT12_2),
		.top_irq	= DAVINCI_INTC_IRQ(IRQ_DA850_TINT34_2),
	},
	{
		.base		= DA850_TIMER64P3_BASE,
		.bottom_irq	= DAVINCI_INTC_IRQ(IRQ_DA850_TINT12_3),
		.top_irq	= DAVINCI_INTC_IRQ(IRQ_DA850_TINT34_3),
	},
};

/*
 * T0_BOT: Timer 0, bottom		: Used for clock_event
 * T0_TOP: Timer 0, top			: Used for clocksource
 * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
 * Bottom half of timer 0 is used for clock_event, top half for
 * clocksource.
 */
static struct davinci_timer_info da850_timer_info = {
	.timers		= da850_timer_instance,
	.clockevent_id	= T0_BOT,
	.clocksource_id	= T0_TOP,
static const struct davinci_timer_cfg da850_timer_cfg = {
	.reg = DEFINE_RES_IO(DA8XX_TIMER64P0_BASE, SZ_4K),
	.irq = {
		DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_0)),
		DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_0)),
	},
};

#ifdef CONFIG_CPU_FREQ
@@ -635,7 +614,6 @@ static const struct davinci_soc_info davinci_soc_info_da850 = {
	.pinmux_base		= DA8XX_SYSCFG0_BASE + 0x120,
	.pinmux_pins		= da850_pins,
	.pinmux_pins_num	= ARRAY_SIZE(da850_pins),
	.timer_info		= &da850_timer_info,
	.emac_pdata		= &da8xx_emac_pdata,
	.sram_dma		= DA8XX_SHARED_RAM_BASE,
	.sram_len		= SZ_128K,
@@ -672,6 +650,7 @@ void __init da850_init_time(void)
	void __iomem *pll0;
	struct regmap *cfgchip;
	struct clk *clk;
	int rv;

	clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DA850_REF_FREQ);

@@ -686,7 +665,8 @@ void __init da850_init_time(void)
		return;
	}

	davinci_timer_init(clk);
	rv = davinci_timer_register(clk, &da850_timer_cfg);
	WARN(rv, "Unable to register the timer: %d\n", rv);
}

static struct resource da850_pll1_resources[] = {