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Commit 6ba5a69e authored by Paul Walmsley's avatar Paul Walmsley
Browse files

ARM: OMAP2+: clockdomains: make {prm,cm}_clkdm common 



The PRM and CM implicit clockdomains will soon be used by OMAP44xx.
So, make them common to OMAP2+ and modify the OMAP4 clockdomains code
so use of these clockdomains doesn't crash the system.

Signed-off-by: default avatarPaul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
parent 3af35fbc

arch/arm/mach-omap2/Makefile

+5 −3
Original line number Diff line number Diff line
@@ -118,16 +118,18 @@ obj-$(CONFIG_ARCH_OMAP4) += $(powerdomain-common) \ 
					   powerdomains44xx_data.o



# PRCM clockdomain control

obj-$(CONFIG_ARCH_OMAP2)		+= clockdomain.o \

clockdomain-common			+= clockdomain.o \

					   clockdomains_common_data.o

obj-$(CONFIG_ARCH_OMAP2)		+= $(clockdomain-common) \

					   clockdomain2xxx_3xxx.o \

					   clockdomains2xxx_3xxx_data.o

obj-$(CONFIG_SOC_OMAP2420)		+= clockdomains2420_data.o

obj-$(CONFIG_SOC_OMAP2430)		+= clockdomains2430_data.o

obj-$(CONFIG_ARCH_OMAP3)		+= clockdomain.o \

obj-$(CONFIG_ARCH_OMAP3)		+= $(clockdomain-common) \

					   clockdomain2xxx_3xxx.o \

					   clockdomains2xxx_3xxx_data.o \

					   clockdomains3xxx_data.o

obj-$(CONFIG_ARCH_OMAP4)		+= clockdomain.o \

obj-$(CONFIG_ARCH_OMAP4)		+= $(clockdomain-common) \

					   clockdomain44xx.o \

					   clockdomains44xx_data.o

arch/arm/mach-omap2/clockdomain44xx.c

+6 −0
Original line number Diff line number Diff line
@@ -51,6 +51,9 @@ static int omap4_clkdm_clear_all_wkup_sleep_deps(struct clockdomain *clkdm) 
	struct clkdm_dep *cd;

	u32 mask = 0;



	if (!clkdm->prcm_partition)

		return 0;



	for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) {

		if (!cd->clkdm)

			continue; /* only happens if data is erroneous */
@@ -103,6 +106,9 @@ static int omap4_clkdm_clk_disable(struct clockdomain *clkdm) 
{

	bool hwsup = false;



	if (!clkdm->prcm_partition)

		return 0;



	hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition,

					clkdm->cm_inst, clkdm->clkdm_offs);

arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c

+0 −10
Original line number Diff line number Diff line
@@ -89,13 +89,3 @@ struct clockdomain wkup_common_clkdm = { 
	.pwrdm		= { .name = "wkup_pwrdm" },

	.dep_bit	= OMAP_EN_WKUP_SHIFT,

};
 


struct clockdomain prm_common_clkdm = {

	.name		= "prm_clkdm",

	.pwrdm		= { .name = "wkup_pwrdm" },

};



struct clockdomain cm_common_clkdm = {

	.name		= "cm_clkdm",

	.pwrdm		= { .name = "core_pwrdm" },

};

arch/arm/mach-omap2/clockdomains44xx_data.c

+2 −0
Original line number Diff line number Diff line
@@ -430,6 +430,8 @@ static struct clockdomain *clockdomains_omap44xx[] __initdata = { 
	&l4_wkup_44xx_clkdm,

	&emu_sys_44xx_clkdm,

	&l3_dma_44xx_clkdm,

	&prm_common_clkdm,

	&cm_common_clkdm,

	NULL

};

arch/arm/mach-omap2/clockdomains_common_data.c

0 → 100644
+24 −0
Original line number Diff line number Diff line 
/*

 * OMAP2+-common clockdomain data

 *

 * Copyright (C) 2008-2012 Texas Instruments, Inc.

 * Copyright (C) 2008-2010 Nokia Corporation

 *

 * Paul Walmsley, Jouni Högander

 */



#include <linux/kernel.h>

#include <linux/io.h>



#include "clockdomain.h"



/* These are implicit clockdomains - they are never defined as such in TRM */

struct clockdomain prm_common_clkdm = {

	.name		= "prm_clkdm",

	.pwrdm		= { .name = "wkup_pwrdm" },

};



struct clockdomain cm_common_clkdm = {

	.name		= "cm_clkdm",

	.pwrdm		= { .name = "core_pwrdm" },

};