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Commit 05b5ca9b authored by Tony Lindgren's avatar Tony Lindgren
Browse files

omap1: Fix booting for 15xx and 730 with omap1_defconfig 



For omap15xx and 730 we need to use the MPU timer
as the 32K timer is not available. For omap16xx
we want to use the 32K timer because of PM. Fix this
by allowing to build in both timers.

Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent f376ea17

arch/arm/mach-omap1/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ config ARCH_OMAP730 
	depends on ARCH_OMAP1

	bool "OMAP730 Based System"

	select CPU_ARM926T

	select OMAP_MPU_TIMER

	select ARCH_OMAP_OTG



config ARCH_OMAP850
@@ -22,6 +23,7 @@ config ARCH_OMAP15XX 
	default y

	bool "OMAP15xx Based System"

	select CPU_ARM925T

	select OMAP_MPU_TIMER



config ARCH_OMAP16XX

	depends on ARCH_OMAP1

arch/arm/mach-omap1/Makefile

+1 −2
Original line number Diff line number Diff line
@@ -3,12 +3,11 @@ 
#



# Common support

obj-y := io.o id.o sram.o irq.o mux.o flash.o serial.o devices.o dma.o

obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o

obj-y += clock.o clock_data.o opp_data.o



obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o



obj-$(CONFIG_OMAP_MPU_TIMER)	+= time.o

obj-$(CONFIG_OMAP_32K_TIMER)	+= timer32k.o



# Power Management

arch/arm/mach-omap1/time.c

+35 −13
Original line number Diff line number Diff line
@@ -57,6 +57,8 @@ 


#include <plat/common.h>



#ifdef CONFIG_OMAP_MPU_TIMER



#define OMAP_MPU_TIMER_BASE		OMAP_MPU_TIMER1_BASE

#define OMAP_MPU_TIMER_OFFSET		0x100
@@ -236,12 +238,7 @@ static void __init omap_init_clocksource(unsigned long rate) 
		printk(err, clocksource_mpu.name);

}



/*

 * ---------------------------------------------------------------------------

 * Timer initialization

 * ---------------------------------------------------------------------------

 */

static void __init omap_timer_init(void)

static void __init omap_mpu_timer_init(void)

{

	struct clk	*ck_ref = clk_get(NULL, "ck_ref");

	unsigned long	rate;
@@ -256,13 +253,38 @@ static void __init omap_timer_init(void) 


	omap_init_mpu_timer(rate);

	omap_init_clocksource(rate);

}



#else

static inline void omap_mpu_timer_init(void)

{

	pr_err("Bogus timer, should not happen\n");

}

#endif	/* CONFIG_OMAP_MPU_TIMER */



static inline int omap_32k_timer_usable(void)

{

	int res = false;



	if (cpu_is_omap730() || cpu_is_omap15xx())

		return res;



#ifdef CONFIG_OMAP_32K_TIMER

	res = omap_32k_timer_init();

#endif



	return res;

}



/*

	 * XXX Since this file seems to deal mostly with the MPU timer,

	 * this doesn't seem like the correct place for the sync timer

	 * clocksource init.

 * ---------------------------------------------------------------------------

 * Timer initialization

 * ---------------------------------------------------------------------------

 */

	if (!cpu_is_omap7xx() && !cpu_is_omap15xx())

		omap_init_clocksource_32k();

static void __init omap_timer_init(void)

{

	if (!omap_32k_timer_usable())

		omap_mpu_timer_init();

}



struct sys_timer omap_timer = {

arch/arm/mach-omap1/timer32k.c

+6 −7
Original line number Diff line number Diff line
@@ -52,10 +52,9 @@ 
#include <asm/irq.h>

#include <asm/mach/irq.h>

#include <asm/mach/time.h>

#include <plat/common.h>

#include <plat/dmtimer.h>



struct sys_timer omap_timer;



/*

 * ---------------------------------------------------------------------------

 * 32KHz OS timer
@@ -181,14 +180,14 @@ static __init void omap_init_32k_timer(void) 
 * Timer initialization

 * ---------------------------------------------------------------------------

 */

static void __init omap_timer_init(void)

bool __init omap_32k_timer_init(void)

{

	omap_init_clocksource_32k();



#ifdef CONFIG_OMAP_DM_TIMER

	omap_dm_timer_init();

#endif

	omap_init_32k_timer();

}



struct sys_timer omap_timer = {

	.init		= omap_timer_init,

};
 
	return true;

}

arch/arm/plat-omap/Kconfig

+2 −6
Original line number Diff line number Diff line
@@ -144,12 +144,9 @@ config OMAP_IOMMU_DEBUG 
config OMAP_IOMMU_IVA2

	bool



choice

	prompt "System timer"

	default OMAP_32K_TIMER if !ARCH_OMAP15XX



config OMAP_MPU_TIMER

	bool "Use mpu timer"

	depends on ARCH_OMAP1

	help

	  Select this option if you want to use the OMAP mpu timer. This

	  timer provides more intra-tick resolution than the 32KHz timer,
@@ -158,6 +155,7 @@ config OMAP_MPU_TIMER 
config OMAP_32K_TIMER

	bool "Use 32KHz timer"

	depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS

	default y if (ARCH_OMAP16XX || ARCH_OMAP2PLUS)

	help

	  Select this option if you want to enable the OMAP 32KHz timer.

	  This timer saves power compared to the OMAP_MPU_TIMER, and has
@@ -165,8 +163,6 @@ config OMAP_32K_TIMER 
	  intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is

	  currently only available for OMAP16XX, 24XX, 34XX and OMAP4.



endchoice



config OMAP3_L2_AUX_SECURE_SAVE_RESTORE

	bool "OMAP3 HS/EMU save and restore for L2 AUX control register"

	depends on ARCH_OMAP3 && PM