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Commit ebcfe0fa authored by Olof Johansson's avatar Olof Johansson
Browse files

Merge tag 'omap-for-v3.9/pm-omap4-signed' of... 

Merge tag 'omap-for-v3.9/pm-omap4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into late/omap

From Tony Lindgren:
omap4 pm changes via Paul Walmsley <paul@pwsan.com>:

Some OMAP4 power management fixes and audio device integration
patches.  This pull request contains a fix for an issue discovered during
branch integration.

Basic test logs are available at:

    http://www.pwsan.com/omap/testlogs/omap4_prcm_devel_a_3.9/20130210112717/

* tag 'omap-for-v3.9/pm-omap4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4: hwmod data: Enable AESS hwmod device
  ARM: OMAP4: hwmod data: Update AESS data with memory bank area
  ARM: OMAP4+: AESS: enable internal auto-gating during initial setup
  ASoC: TI AESS: add autogating-enable function, callable from architecture code
  ARM: OMAP2+: hwmod: add enable_preprogram hook
  ARM: OMAP2+: PM: Fix the dt return condition in pm_late_init()
  ARM: OMAP4: PM: Warn users about usage of older bootloaders
parents 488c77c9 93b23711

arch/arm/mach-omap2/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -8,7 +8,7 @@ obj-y := id.o io.o control.o mux.o devices.o fb.o serial.o gpmc.o timer.o pm.o \ 
	 omap_device.o sram.o



omap-2-3-common				= irq.o

hwmod-common				= omap_hwmod.o \

hwmod-common				= omap_hwmod.o omap_hwmod_reset.o \

					  omap_hwmod_common_data.o

clock-common				= clock.o clock_common_data.o \

					  clkt_dpll.o clkt_clksel.o

arch/arm/mach-omap2/omap_hwmod.c

+18 −0
Original line number Diff line number Diff line
@@ -2054,6 +2054,23 @@ static int _omap4_get_context_lost(struct omap_hwmod *oh) 
	return oh->prcm.omap4.context_lost_counter;

}



/**

 * _enable_preprogram - Pre-program an IP block during the _enable() process

 * @oh: struct omap_hwmod *

 *

 * Some IP blocks (such as AESS) require some additional programming

 * after enable before they can enter idle.  If a function pointer to

 * do so is present in the hwmod data, then call it and pass along the

 * return value; otherwise, return 0.

 */

static int __init _enable_preprogram(struct omap_hwmod *oh)

{

	if (!oh->class->enable_preprogram)

		return 0;



	return oh->class->enable_preprogram(oh);

}



/**

 * _enable - enable an omap_hwmod

 * @oh: struct omap_hwmod *
@@ -2160,6 +2177,7 @@ static int _enable(struct omap_hwmod *oh) 
				_update_sysc_cache(oh);

			_enable_sysc(oh);

		}

		r = _enable_preprogram(oh);

	} else {

		if (soc_ops.disable_module)

			soc_ops.disable_module(oh);

arch/arm/mach-omap2/omap_hwmod.h

+8 −0
Original line number Diff line number Diff line
@@ -510,6 +510,7 @@ struct omap_hwmod_omap4_prcm { 
 * @rev: revision of the IP class

 * @pre_shutdown: ptr to fn to be executed immediately prior to device shutdown

 * @reset: ptr to fn to be executed in place of the standard hwmod reset fn

 * @enable_preprogram:  ptr to fn to be executed during device enable

 *

 * Represent the class of a OMAP hardware "modules" (e.g. timer,

 * smartreflex, gpio, uart...)
@@ -533,6 +534,7 @@ struct omap_hwmod_class { 
	u32					rev;

	int					(*pre_shutdown)(struct omap_hwmod *oh);

	int					(*reset)(struct omap_hwmod *oh);

	int					(*enable_preprogram)(struct omap_hwmod *oh);

};



/**
@@ -679,6 +681,12 @@ extern void __init omap_hwmod_init(void); 


const char *omap_hwmod_get_main_clk(struct omap_hwmod *oh);



/*

 *

 */



extern int omap_hwmod_aess_preprogram(struct omap_hwmod *oh);



/*

 * Chip variant-specific hwmod init routines - XXX should be converted

 * to use initcalls once the initial boot ordering is straightened out

arch/arm/mach-omap2/omap_hwmod_44xx_data.c

+47 −4
Original line number Diff line number Diff line
@@ -322,6 +322,7 @@ static struct omap_hwmod_class_sysconfig omap44xx_aess_sysc = { 
static struct omap_hwmod_class omap44xx_aess_hwmod_class = {

	.name	= "aess",

	.sysc	= &omap44xx_aess_sysc,

	.enable_preprogram = omap_hwmod_aess_preprogram,

};



/* aess */
@@ -348,7 +349,7 @@ static struct omap_hwmod omap44xx_aess_hwmod = { 
	.clkdm_name	= "abe_clkdm",

	.mpu_irqs	= omap44xx_aess_irqs,

	.sdma_reqs	= omap44xx_aess_sdma_reqs,

	.main_clk	= "aess_fck",

	.main_clk	= "aess_fclk",

	.prcm = {

		.omap4 = {

			.clkctrl_offs = OMAP4_CM1_ABE_AESS_CLKCTRL_OFFSET,
@@ -4248,6 +4249,27 @@ static struct omap_hwmod_ocp_if omap44xx_l4_cfg__ocp_wp_noc = { 


static struct omap_hwmod_addr_space omap44xx_aess_addrs[] = {

	{

		.name		= "dmem",

		.pa_start	= 0x40180000,

		.pa_end		= 0x4018ffff

	},

	{

		.name		= "cmem",

		.pa_start	= 0x401a0000,

		.pa_end		= 0x401a1fff

	},

	{

		.name		= "smem",

		.pa_start	= 0x401c0000,

		.pa_end		= 0x401c5fff

	},

	{

		.name		= "pmem",

		.pa_start	= 0x401e0000,

		.pa_end		= 0x401e1fff

	},

	{

		.name		= "mpu",

		.pa_start	= 0x401f1000,

		.pa_end		= 0x401f13ff,

		.flags		= ADDR_TYPE_RT
@@ -4266,6 +4288,27 @@ static struct omap_hwmod_ocp_if __maybe_unused omap44xx_l4_abe__aess = { 


static struct omap_hwmod_addr_space omap44xx_aess_dma_addrs[] = {

	{

		.name		= "dmem_dma",

		.pa_start	= 0x49080000,

		.pa_end		= 0x4908ffff

	},

	{

		.name		= "cmem_dma",

		.pa_start	= 0x490a0000,

		.pa_end		= 0x490a1fff

	},

	{

		.name		= "smem_dma",

		.pa_start	= 0x490c0000,

		.pa_end		= 0x490c5fff

	},

	{

		.name		= "pmem_dma",

		.pa_start	= 0x490e0000,

		.pa_end		= 0x490e1fff

	},

	{

		.name		= "dma",

		.pa_start	= 0x490f1000,

		.pa_end		= 0x490f13ff,

		.flags		= ADDR_TYPE_RT
@@ -6281,7 +6324,7 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = { 
	&omap44xx_l3_main_1__l3_main_3,

	&omap44xx_l3_main_2__l3_main_3,

	&omap44xx_l4_cfg__l3_main_3,

	/* &omap44xx_aess__l4_abe, */

	&omap44xx_aess__l4_abe,

	&omap44xx_dsp__l4_abe,

	&omap44xx_l3_main_1__l4_abe,

	&omap44xx_mpu__l4_abe,
@@ -6290,8 +6333,8 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = { 
	&omap44xx_l4_cfg__l4_wkup,

	&omap44xx_mpu__mpu_private,

	&omap44xx_l4_cfg__ocp_wp_noc,

	/* &omap44xx_l4_abe__aess, */

	/* &omap44xx_l4_abe__aess_dma, */

	&omap44xx_l4_abe__aess,

	&omap44xx_l4_abe__aess_dma,

	&omap44xx_l3_main_2__c2c,

	&omap44xx_l4_wkup__counter_32k,

	&omap44xx_l4_cfg__ctrl_module_core,

arch/arm/mach-omap2/omap_hwmod_reset.c

0 → 100644
+52 −0
Original line number Diff line number Diff line 
/*

 * OMAP IP block custom reset and preprogramming stubs

 *

 * Copyright (C) 2012 Texas Instruments, Inc.

 * Paul Walmsley

 *

 * A small number of IP blocks need custom reset and preprogramming

 * functions.  The stubs in this file provide a standard way for the

 * hwmod code to call these functions, which are to be located under

 * drivers/.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License as

 * published by the Free Software Foundation version 2.

 *

 * This program is distributed "as is" WITHOUT ANY WARRANTY of any

 * kind, whether express or implied; without even the implied warranty

 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA

 * 02110-1301 USA

 */

#include <linux/kernel.h>



#include <sound/aess.h>



#include "omap_hwmod.h"



/**

 * omap_hwmod_aess_preprogram - enable AESS internal autogating

 * @oh: struct omap_hwmod *

 *

 * The AESS will not IdleAck to the PRCM until its internal autogating

 * is enabled.  Since internal autogating is disabled by default after

 * AESS reset, we must enable autogating after the hwmod code resets

 * the AESS.  Returns 0.

 */

int omap_hwmod_aess_preprogram(struct omap_hwmod *oh)

{

	void __iomem *va;



	va = omap_hwmod_get_mpu_rt_va(oh);

	if (!va)

		return -EINVAL;



	aess_enable_autogating(va);



	return 0;

}