Merge branch 'integration-2.6.38-for-tony' of git://git.pwsan.com/linux-2.6 into omap-for-linus

16 files changed, 164 insertions, 388 deletions

diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 8d493b992e7..1f98e0b9484 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -29,7 +29,6 @@
 #include <mach/irqs.h>
 #include <mach/gpio.h>
 #include <asm/mach/irq.h>
-#include <plat/powerdomain.h>
 
 /*
  * OMAP1510 GPIO registers
@@ -1864,7 +1863,7 @@ static struct sys_device omap_gpio_device = {
 
 static int workaround_enabled;
 
-void omap2_gpio_prepare_for_idle(int power_state)
+void omap2_gpio_prepare_for_idle(int off_mode)
 {
 	int i, c = 0;
 	int min = 0;
@@ -1880,7 +1879,7 @@ void omap2_gpio_prepare_for_idle(int power_state)
 		for (j = 0; j < hweight_long(bank->dbck_enable_mask); j++)
 			clk_disable(bank->dbck);
 
-		if (power_state > PWRDM_POWER_OFF)
+		if (!off_mode)
 			continue;
 
 		/* If going to OFF, remove triggering for all
diff --git a/arch/arm/plat-omap/include/plat/clkdev_omap.h b/arch/arm/plat-omap/include/plat/clkdev_omap.h
index bb937f3fabe..b19774c9c11 100644
--- a/arch/arm/plat-omap/include/plat/clkdev_omap.h
+++ b/arch/arm/plat-omap/include/plat/clkdev_omap.h
@@ -31,18 +31,18 @@ struct omap_clk {
 #define CK_1510		(1 << 2)
 #define CK_16XX		(1 << 3)	/* 16xx, 17xx, 5912 */
 #define CK_242X		(1 << 4)
-#define CK_243X		(1 << 5)
-#define CK_3XXX		(1 << 6)	/* OMAP3 + AM3 common clocks*/
-#define CK_343X		(1 << 7)	/* OMAP34xx common clocks */
-#define CK_3430ES1	(1 << 8)	/* 34xxES1 only */
-#define CK_3430ES2	(1 << 9)	/* 34xxES2, ES3, non-Sitara 35xx only */
-#define CK_3505		(1 << 10)
-#define CK_3517		(1 << 11)
-#define CK_36XX		(1 << 12)	/* OMAP36xx/37xx-specific clocks */
-#define CK_443X		(1 << 13)
+#define CK_243X		(1 << 5)	/* 243x, 253x */
+#define CK_3430ES1	(1 << 6)	/* 34xxES1 only */
+#define CK_3430ES2PLUS	(1 << 7)	/* 34xxES2, ES3, non-Sitara 35xx only */
+#define CK_3505		(1 << 8)
+#define CK_3517		(1 << 9)
+#define CK_36XX		(1 << 10)	/* 36xx/37xx-specific clocks */
+#define CK_443X		(1 << 11)
 
-#define CK_AM35XX	(CK_3505 | CK_3517)	/* all Sitara AM35xx */
 
+#define CK_34XX		(CK_3430ES1 | CK_3430ES2PLUS)
+#define CK_AM35XX	(CK_3505 | CK_3517)	/* all Sitara AM35xx */
+#define CK_3XXX		(CK_34XX | CK_AM35XX | CK_36XX)
 
 
 #endif
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index fef4696dcf6..8eb0adab19e 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -49,13 +49,18 @@ struct clkops {
 /* struct clksel_rate.flags possibilities */
 #define RATE_IN_242X		(1 << 0)
 #define RATE_IN_243X		(1 << 1)
-#define RATE_IN_3XXX		(1 << 2)	/* rates common to all OMAP3 */
-#define RATE_IN_3430ES2		(1 << 3)	/* 3430ES2 rates only */
+#define RATE_IN_3430ES1		(1 << 2)	/* 3430ES1 rates only */
+#define RATE_IN_3430ES2PLUS	(1 << 3)	/* 3430 ES >= 2 rates only */
 #define RATE_IN_36XX		(1 << 4)
 #define RATE_IN_4430		(1 << 5)
 
 #define RATE_IN_24XX		(RATE_IN_242X | RATE_IN_243X)
-#define RATE_IN_3430ES2PLUS	(RATE_IN_3430ES2 | RATE_IN_36XX)
+#define RATE_IN_34XX		(RATE_IN_3430ES1 | RATE_IN_3430ES2PLUS)
+#define RATE_IN_3XXX		(RATE_IN_34XX | RATE_IN_36XX)
+
+/* RATE_IN_3430ES2PLUS_36XX includes 34xx/35xx with ES >=2, and all 36xx/37xx */
+#define RATE_IN_3430ES2PLUS_36XX	(RATE_IN_3430ES2PLUS | RATE_IN_36XX)
+
 
 /**
  * struct clksel_rate - register bitfield values corresponding to clk divisors
@@ -119,8 +124,7 @@ struct clksel {
  *
  * Possible values for @flags:
  * DPLL_J_TYPE: "J-type DPLL" (only some 36xx, 4xxx DPLLs)
- * NO_DCO_SEL: don't program DCO (only for some J-type DPLLs)
-
+ *
  * @freqsel_mask is only used on the OMAP34xx family and AM35xx.
  *
  * XXX Some DPLLs have multiple bypass inputs, so it's not technically
@@ -156,6 +160,8 @@ struct dpll_data {
 	u32			autoidle_mask;
 	u32			freqsel_mask;
 	u32			idlest_mask;
+	u32			dco_mask;
+	u32			sddiv_mask;
 	u8			auto_recal_bit;
 	u8			recal_en_bit;
 	u8			recal_st_bit;
diff --git a/arch/arm/plat-omap/include/plat/clockdomain.h b/arch/arm/plat-omap/include/plat/clockdomain.h
deleted file mode 100644
index ba0a6c07c0f..00000000000
--- a/arch/arm/plat-omap/include/plat/clockdomain.h
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * arch/arm/plat-omap/include/mach/clockdomain.h
- *
- * OMAP2/3 clockdomain framework functions
- *
- * Copyright (C) 2008 Texas Instruments, Inc.
- * Copyright (C) 2008-2009 Nokia Corporation
- *
- * Written by Paul Walmsley
- *
- * 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.
- */
-
-#ifndef __ASM_ARM_ARCH_OMAP_CLOCKDOMAIN_H
-#define __ASM_ARM_ARCH_OMAP_CLOCKDOMAIN_H
-
-#include <plat/powerdomain.h>
-#include <plat/clock.h>
-#include <plat/cpu.h>
-
-/* Clockdomain capability flags */
-#define CLKDM_CAN_FORCE_SLEEP			(1 << 0)
-#define CLKDM_CAN_FORCE_WAKEUP			(1 << 1)
-#define CLKDM_CAN_ENABLE_AUTO			(1 << 2)
-#define CLKDM_CAN_DISABLE_AUTO			(1 << 3)
-
-#define CLKDM_CAN_HWSUP		(CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO)
-#define CLKDM_CAN_SWSUP		(CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP)
-#define CLKDM_CAN_HWSUP_SWSUP	(CLKDM_CAN_SWSUP | CLKDM_CAN_HWSUP)
-
-/* OMAP24XX CM_CLKSTCTRL_*.AUTOSTATE_* register bit values */
-#define OMAP24XX_CLKSTCTRL_DISABLE_AUTO		0x0
-#define OMAP24XX_CLKSTCTRL_ENABLE_AUTO		0x1
-
-/* OMAP3XXX CM_CLKSTCTRL_*.CLKTRCTRL_* register bit values */
-#define OMAP34XX_CLKSTCTRL_DISABLE_AUTO		0x0
-#define OMAP34XX_CLKSTCTRL_FORCE_SLEEP		0x1
-#define OMAP34XX_CLKSTCTRL_FORCE_WAKEUP		0x2
-#define OMAP34XX_CLKSTCTRL_ENABLE_AUTO		0x3
-
-/**
- * struct clkdm_autodep - clkdm deps to add when entering/exiting hwsup mode
- * @clkdm: clockdomain to add wkdep+sleepdep on - set name member only
- * @omap_chip: OMAP chip types that this autodep is valid on
- *
- * A clockdomain that should have wkdeps and sleepdeps added when a
- * clockdomain should stay active in hwsup mode; and conversely,
- * removed when the clockdomain should be allowed to go inactive in
- * hwsup mode.
- *
- * Autodeps are deprecated and should be removed after
- * omap_hwmod-based fine-grained module idle control is added.
- */
-struct clkdm_autodep {
-	union {
-		const char *name;
-		struct clockdomain *ptr;
-	} clkdm;
-	const struct omap_chip_id omap_chip;
-};
-
-/**
- * struct clkdm_dep - encode dependencies between clockdomains
- * @clkdm_name: clockdomain name
- * @clkdm: pointer to the struct clockdomain of @clkdm_name
- * @omap_chip: OMAP chip types that this dependency is valid on
- * @wkdep_usecount: Number of wakeup dependencies causing this clkdm to wake
- * @sleepdep_usecount: Number of sleep deps that could prevent clkdm from idle
- *
- * Statically defined.  @clkdm is resolved from @clkdm_name at runtime and
- * should not be pre-initialized.
- *
- * XXX Should also include hardware (fixed) dependencies.
- */
-struct clkdm_dep {
-	const char *clkdm_name;
-	struct clockdomain *clkdm;
-	atomic_t wkdep_usecount;
-	atomic_t sleepdep_usecount;
-	const struct omap_chip_id omap_chip;
-};
-
-/**
- * struct clockdomain - OMAP clockdomain
- * @name: clockdomain name
- * @pwrdm: powerdomain containing this clockdomain
- * @clktrctrl_reg: CLKSTCTRL reg for the given clock domain
- * @clktrctrl_mask: CLKTRCTRL/AUTOSTATE field mask in CM_CLKSTCTRL reg
- * @flags: Clockdomain capability flags
- * @dep_bit: Bit shift of this clockdomain's PM_WKDEP/CM_SLEEPDEP bit
- * @wkdep_srcs: Clockdomains that can be told to wake this powerdomain up
- * @sleepdep_srcs: Clockdomains that can be told to keep this clkdm from inact
- * @omap_chip: OMAP chip types that this clockdomain is valid on
- * @usecount: Usecount tracking
- * @node: list_head to link all clockdomains together
- */
-struct clockdomain {
-	const char *name;
-	union {
-		const char *name;
-		struct powerdomain *ptr;
-	} pwrdm;
-	void __iomem *clkstctrl_reg;
-	const u16 clktrctrl_mask;
-	const u8 flags;
-	const u8 dep_bit;
-	struct clkdm_dep *wkdep_srcs;
-	struct clkdm_dep *sleepdep_srcs;
-	const struct omap_chip_id omap_chip;
-	atomic_t usecount;
-	struct list_head node;
-};
-
-void clkdm_init(struct clockdomain **clkdms, struct clkdm_autodep *autodeps);
-struct clockdomain *clkdm_lookup(const char *name);
-
-int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user),
-			void *user);
-struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm);
-
-int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
-int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
-int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
-int clkdm_clear_all_wkdeps(struct clockdomain *clkdm);
-int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
-int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
-int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
-int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm);
-
-void omap2_clkdm_allow_idle(struct clockdomain *clkdm);
-void omap2_clkdm_deny_idle(struct clockdomain *clkdm);
-
-int omap2_clkdm_wakeup(struct clockdomain *clkdm);
-int omap2_clkdm_sleep(struct clockdomain *clkdm);
-
-int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk);
-int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk);
-
-#endif
diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h
index a9d69a09920..6b8088ec74a 100644
--- a/arch/arm/plat-omap/include/plat/common.h
+++ b/arch/arm/plat-omap/include/plat/common.h
@@ -27,6 +27,8 @@
 #ifndef __ARCH_ARM_MACH_OMAP_COMMON_H
 #define __ARCH_ARM_MACH_OMAP_COMMON_H
 
+#include <linux/delay.h>
+
 #include <plat/i2c.h>
 
 struct sys_timer;
diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h
index 41ff2f8943f..d6f9fa0f62a 100644
--- a/arch/arm/plat-omap/include/plat/gpio.h
+++ b/arch/arm/plat-omap/include/plat/gpio.h
@@ -82,7 +82,7 @@ struct omap_gpio_platform_data {
 /* TODO: Analyze removing gpio_bank_count usage from driver code */
 extern int gpio_bank_count;
 
-extern void omap2_gpio_prepare_for_idle(int power_state);
+extern void omap2_gpio_prepare_for_idle(int off_mode);
 extern void omap2_gpio_resume_after_idle(void);
 extern void omap_set_gpio_debounce(int gpio, int enable);
 extern void omap_set_gpio_debounce_time(int gpio, int enable);
diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h
index 204865f91d9..ef4106c1318 100644
--- a/arch/arm/plat-omap/include/plat/io.h
+++ b/arch/arm/plat-omap/include/plat/io.h
@@ -291,8 +291,9 @@ static inline void omap44xx_map_common_io(void)
 }
 #endif
 
-extern void omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
-				 struct omap_sdrc_params *sdrc_cs1);
+extern void omap2_init_common_infrastructure(void);
+extern void omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0,
+				      struct omap_sdrc_params *sdrc_cs1);
 
 #define __arch_ioremap	omap_ioremap
 #define __arch_iounmap	omap_iounmap
diff --git a/arch/arm/plat-omap/include/plat/omap-pm.h b/arch/arm/plat-omap/include/plat/omap-pm.h
index 62c3fe918ab..c0a75205303 100644
--- a/arch/arm/plat-omap/include/plat/omap-pm.h
+++ b/arch/arm/plat-omap/include/plat/omap-pm.h
@@ -19,8 +19,6 @@
 #include <linux/clk.h>
 #include <linux/opp.h>
 
-#include "powerdomain.h"
-
 /*
  * agent_id values for use with omap_pm_set_min_bus_tput():
  *
@@ -352,9 +350,11 @@ unsigned long omap_pm_cpu_get_freq(void);
  * driver must restore device context.   If the number of context losses
  * exceeds the maximum positive integer, the function will wrap to 0 and
  * continue counting.  Returns the number of context losses for this device,
- * or -EINVAL upon error.
+ * or zero upon error.
  */
-int omap_pm_get_dev_context_loss_count(struct device *dev);
+u32 omap_pm_get_dev_context_loss_count(struct device *dev);
 
+void omap_pm_enable_off_mode(void);
+void omap_pm_disable_off_mode(void);
 
 #endif
diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h
index 28e2d1a7843..e4c349ff9fd 100644
--- a/arch/arm/plat-omap/include/plat/omap_device.h
+++ b/arch/arm/plat-omap/include/plat/omap_device.h
@@ -107,6 +107,7 @@ void __iomem *omap_device_get_rt_va(struct omap_device *od);
 int omap_device_align_pm_lat(struct platform_device *pdev,
 			     u32 new_wakeup_lat_limit);
 struct powerdomain *omap_device_get_pwrdm(struct omap_device *od);
+u32 omap_device_get_context_loss_count(struct platform_device *pdev);
 
 /* Other */
 
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index 7eaa8edf3b1..2825b456da0 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -23,7 +23,7 @@
  * - add pinmuxing
  * - init_conn_id_bit (CONNID_BIT_VECTOR)
  * - implement default hwmod SMS/SDRC flags?
- * - remove unused fields
+ * - move Linux-specific data ("non-ROM data") out
  *
  */
 #ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H
@@ -32,7 +32,7 @@
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/ioport.h>
-#include <linux/mutex.h>
+#include <linux/spinlock.h>
 #include <plat/cpu.h>
 
 struct omap_device;
@@ -76,6 +76,8 @@ extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2;
 #define HWMOD_IDLEMODE_FORCE		(1 << 0)
 #define HWMOD_IDLEMODE_NO		(1 << 1)
 #define HWMOD_IDLEMODE_SMART		(1 << 2)
+/* Slave idle mode flag only */
+#define HWMOD_IDLEMODE_SMART_WKUP	(1 << 3)
 
 /**
  * struct omap_hwmod_irq_info - MPU IRQs used by the hwmod
@@ -159,7 +161,7 @@ struct omap_hwmod_omap2_firewall {
  * ADDR_MAP_ON_INIT: Map this address space during omap_hwmod init.
  * ADDR_TYPE_RT: Address space contains module register target data.
  */
-#define ADDR_MAP_ON_INIT	(1 << 0)
+#define ADDR_MAP_ON_INIT	(1 << 0)	/* XXX does not belong */
 #define ADDR_TYPE_RT		(1 << 1)
 
 /**
@@ -200,8 +202,6 @@ struct omap_hwmod_addr_space {
  * @fw: interface firewall data
  * @addr_cnt: ARRAY_SIZE(@addr)
  * @width: OCP data width
- * @thread_cnt: number of threads
- * @max_burst_len: maximum burst length in @width sized words (0 if unlimited)
  * @user: initiators using this interface (see OCP_USER_* macros above)
  * @flags: OCP interface flags (see OCPIF_* macros above)
  *
@@ -221,8 +221,6 @@ struct omap_hwmod_ocp_if {
 	}				fw;
 	u8				addr_cnt;
 	u8				width;
-	u8				thread_cnt;
-	u8				max_burst_len;
 	u8				user;
 	u8				flags;
 };
@@ -231,11 +229,12 @@ struct omap_hwmod_ocp_if {
 /* Macros for use in struct omap_hwmod_sysconfig */
 
 /* Flags for use in omap_hwmod_sysconfig.idlemodes */
-#define MASTER_STANDBY_SHIFT	2
+#define MASTER_STANDBY_SHIFT	4
 #define SLAVE_IDLE_SHIFT	0
 #define SIDLE_FORCE		(HWMOD_IDLEMODE_FORCE << SLAVE_IDLE_SHIFT)
 #define SIDLE_NO		(HWMOD_IDLEMODE_NO << SLAVE_IDLE_SHIFT)
 #define SIDLE_SMART		(HWMOD_IDLEMODE_SMART << SLAVE_IDLE_SHIFT)
+#define SIDLE_SMART_WKUP	(HWMOD_IDLEMODE_SMART_WKUP << SLAVE_IDLE_SHIFT)
 #define MSTANDBY_FORCE		(HWMOD_IDLEMODE_FORCE << MASTER_STANDBY_SHIFT)
 #define MSTANDBY_NO		(HWMOD_IDLEMODE_NO << MASTER_STANDBY_SHIFT)
 #define MSTANDBY_SMART		(HWMOD_IDLEMODE_SMART << MASTER_STANDBY_SHIFT)
@@ -357,14 +356,14 @@ struct omap_hwmod_omap4_prcm {
  * HWMOD_SWSUP_MSTDBY: omap_hwmod code should manually bring module in and out
  *     of standby, rather than relying on module smart-standby
  * HWMOD_INIT_NO_RESET: don't reset this module at boot - important for
- *     SDRAM controller, etc.
+ *     SDRAM controller, etc. XXX probably belongs outside the main hwmod file
  * HWMOD_INIT_NO_IDLE: don't idle this module at boot - important for SDRAM
- *     controller, etc.
+ *     controller, etc. XXX probably belongs outside the main hwmod file
  * HWMOD_NO_AUTOIDLE: disable module autoidle (OCP_SYSCONFIG.AUTOIDLE)
  *     when module is enabled, rather than the default, which is to
  *     enable autoidle
  * HWMOD_SET_DEFAULT_CLOCKACT: program CLOCKACTIVITY bits at startup
- * HWMOD_NO_IDLEST : this module does not have idle status - this is the case
+ * HWMOD_NO_IDLEST: this module does not have idle status - this is the case
  *     only for few initiator modules on OMAP2 & 3.
  * HWMOD_CONTROL_OPT_CLKS_IN_RESET: Enable all optional clocks during reset.
  *     This is needed for devices like DSS that require optional clocks enabled
@@ -415,14 +414,31 @@ struct omap_hwmod_omap4_prcm {
  * @name: name of the hwmod_class
  * @sysc: device SYSCONFIG/SYSSTATUS register data
  * @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
  *
  * Represent the class of a OMAP hardware "modules" (e.g. timer,
  * smartreflex, gpio, uart...)
+ *
+ * @pre_shutdown is a function that will be run immediately before
+ * hwmod clocks are disabled, etc.  It is intended for use for hwmods
+ * like the MPU watchdog, which cannot be disabled with the standard
+ * omap_hwmod_shutdown().  The function should return 0 upon success,
+ * or some negative error upon failure.  Returning an error will cause
+ * omap_hwmod_shutdown() to abort the device shutdown and return an
+ * error.
+ *
+ * If @reset is defined, then the function it points to will be
+ * executed in place of the standard hwmod _reset() code in
+ * mach-omap2/omap_hwmod.c.  This is needed for IP blocks which have
+ * unusual reset sequences - usually processor IP blocks like the IVA.
  */
 struct omap_hwmod_class {
 	const char				*name;
 	struct omap_hwmod_class_sysconfig	*sysc;
 	u32					rev;
+	int					(*pre_shutdown)(struct omap_hwmod *oh);
+	int					(*reset)(struct omap_hwmod *oh);
 };
 
 /**
@@ -442,8 +458,6 @@ struct omap_hwmod_class {
  * @_sysc_cache: internal-use hwmod flags
  * @_mpu_rt_va: cached register target start address (internal use)
  * @_mpu_port_index: cached MPU register target slave ID (internal use)
- * @msuspendmux_reg_id: CONTROL_MSUSPENDMUX register ID (1-6)
- * @msuspendmux_shift: CONTROL_MSUSPENDMUX register bit shift
  * @mpu_irqs_cnt: number of @mpu_irqs
  * @sdma_reqs_cnt: number of @sdma_reqs
  * @opt_clks_cnt: number of @opt_clks
@@ -452,9 +466,10 @@ struct omap_hwmod_class {
  * @response_lat: device OCP response latency (in interface clock cycles)
  * @_int_flags: internal-use hwmod flags
  * @_state: internal-use hwmod state
+ * @_postsetup_state: internal-use state to leave the hwmod in after _setup()
  * @flags: hwmod flags (documented below)
  * @omap_chip: OMAP chips this hwmod is present on
- * @_mutex: mutex serializing operations on this hwmod
+ * @_lock: spinlock serializing operations on this hwmod
  * @node: list node for hwmod list (internal use)
  *
  * @main_clk refers to this module's "main clock," which for our
@@ -484,12 +499,10 @@ struct omap_hwmod {
 	void				*dev_attr;
 	u32				_sysc_cache;
 	void __iomem			*_mpu_rt_va;
-	struct mutex			_mutex;
+	spinlock_t			_lock;
 	struct list_head		node;
 	u16				flags;
 	u8				_mpu_port_index;
-	u8				msuspendmux_reg_id;
-	u8				msuspendmux_shift;
 	u8				response_lat;
 	u8				mpu_irqs_cnt;
 	u8				sdma_reqs_cnt;
@@ -500,16 +513,15 @@ struct omap_hwmod {
 	u8				hwmods_cnt;
 	u8				_int_flags;
 	u8				_state;
+	u8				_postsetup_state;
 	const struct omap_chip_id	omap_chip;
 };
 
 int omap_hwmod_init(struct omap_hwmod **ohs);
-int omap_hwmod_register(struct omap_hwmod *oh);
-int omap_hwmod_unregister(struct omap_hwmod *oh);
 struct omap_hwmod *omap_hwmod_lookup(const char *name);
 int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh, void *data),
 			void *data);
-int omap_hwmod_late_init(u8 skip_setup_idle);
+int omap_hwmod_late_init(void);
 
 int omap_hwmod_enable(struct omap_hwmod *oh);
 int _omap_hwmod_enable(struct omap_hwmod *oh);
@@ -556,6 +568,9 @@ int omap_hwmod_for_each_by_class(const char *classname,
 					   void *user),
 				 void *user);
 
+int omap_hwmod_set_postsetup_state(struct omap_hwmod *oh, u8 state);
+u32 omap_hwmod_get_context_loss_count(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
diff --git a/arch/arm/plat-omap/include/plat/powerdomain.h b/arch/arm/plat-omap/include/plat/powerdomain.h
deleted file mode 100644
index 9ca420dcd2f..00000000000
--- a/arch/arm/plat-omap/include/plat/powerdomain.h
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * OMAP2/3 powerdomain control
- *
- * Copyright (C) 2007-2008 Texas Instruments, Inc.
- * Copyright (C) 2007-2009 Nokia Corporation
- *
- * Written by Paul Walmsley
- *
- * 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.
- */
-
-#ifndef ASM_ARM_ARCH_OMAP_POWERDOMAIN
-#define ASM_ARM_ARCH_OMAP_POWERDOMAIN
-
-#include <linux/types.h>
-#include <linux/list.h>
-
-#include <asm/atomic.h>
-
-#include <plat/cpu.h>
-
-
-/* Powerdomain basic power states */
-#define PWRDM_POWER_OFF		0x0
-#define PWRDM_POWER_RET		0x1
-#define PWRDM_POWER_INACTIVE	0x2
-#define PWRDM_POWER_ON		0x3
-
-#define PWRDM_MAX_PWRSTS	4
-
-/* Powerdomain allowable state bitfields */
-#define PWRSTS_ON		(1 << PWRDM_POWER_ON)
-#define PWRSTS_OFF		(1 << PWRDM_POWER_OFF)
-#define PWRSTS_OFF_ON		((1 << PWRDM_POWER_OFF) | \
-				 (1 << PWRDM_POWER_ON))
-
-#define PWRSTS_OFF_RET		((1 << PWRDM_POWER_OFF) | \
-				 (1 << PWRDM_POWER_RET))
-
-#define PWRSTS_RET_ON		((1 << PWRDM_POWER_RET) | \
-				 (1 << PWRDM_POWER_ON))
-
-#define PWRSTS_OFF_RET_ON	(PWRSTS_OFF_RET | (1 << PWRDM_POWER_ON))
-
-
-/* Powerdomain flags */
-#define PWRDM_HAS_HDWR_SAR	(1 << 0) /* hardware save-and-restore support */
-#define PWRDM_HAS_MPU_QUIRK	(1 << 1) /* MPU pwr domain has MEM bank 0 bits
-					  * in MEM bank 1 position. This is
-					  * true for OMAP3430
-					  */
-#define PWRDM_HAS_LOWPOWERSTATECHANGE	(1 << 2) /*
-						  * support to transition from a
-						  * sleep state to a lower sleep
-						  * state without waking up the
-						  * powerdomain
-						  */
-
-/*
- * Number of memory banks that are power-controllable.	On OMAP4430, the
- * maximum is 5.
- */
-#define PWRDM_MAX_MEM_BANKS	5
-
-/*
- * Maximum number of clockdomains that can be associated with a powerdomain.
- * CORE powerdomain on OMAP4 is the worst case
- */
-#define PWRDM_MAX_CLKDMS	9
-
-/* XXX A completely arbitrary number. What is reasonable here? */
-#define PWRDM_TRANSITION_BAILOUT 100000
-
-struct clockdomain;
-struct powerdomain;
-
-/**
- * struct powerdomain - OMAP powerdomain
- * @name: Powerdomain name
- * @omap_chip: represents the OMAP chip types containing this pwrdm
- * @prcm_offs: the address offset from CM_BASE/PRM_BASE
- * @pwrsts: Possible powerdomain power states
- * @pwrsts_logic_ret: Possible logic power states when pwrdm in RETENTION
- * @flags: Powerdomain flags
- * @banks: Number of software-controllable memory banks in this powerdomain
- * @pwrsts_mem_ret: Possible memory bank pwrstates when pwrdm in RETENTION
- * @pwrsts_mem_on: Possible memory bank pwrstates when pwrdm in ON
- * @pwrdm_clkdms: Clockdomains in this powerdomain
- * @node: list_head linking all powerdomains
- * @state:
- * @state_counter:
- * @timer:
- * @state_timer:
- */
-struct powerdomain {
-	const char *name;
-	const struct omap_chip_id omap_chip;
-	const s16 prcm_offs;
-	const u8 pwrsts;
-	const u8 pwrsts_logic_ret;
-	const u8 flags;
-	const u8 banks;
-	const u8 pwrsts_mem_ret[PWRDM_MAX_MEM_BANKS];
-	const u8 pwrsts_mem_on[PWRDM_MAX_MEM_BANKS];
-	struct clockdomain *pwrdm_clkdms[PWRDM_MAX_CLKDMS];
-	struct list_head node;
-	int state;
-	unsigned state_counter[PWRDM_MAX_PWRSTS];
-	unsigned ret_logic_off_counter;
-	unsigned ret_mem_off_counter[PWRDM_MAX_MEM_BANKS];
-
-#ifdef CONFIG_PM_DEBUG
-	s64 timer;
-	s64 state_timer[PWRDM_MAX_PWRSTS];
-#endif
-};
-
-
-void pwrdm_init(struct powerdomain **pwrdm_list);
-
-struct powerdomain *pwrdm_lookup(const char *name);
-
-int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm, void *user),
-			void *user);
-int pwrdm_for_each_nolock(int (*fn)(struct powerdomain *pwrdm, void *user),
-			void *user);
-
-int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm);
-int pwrdm_del_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm);
-int pwrdm_for_each_clkdm(struct powerdomain *pwrdm,
-			 int (*fn)(struct powerdomain *pwrdm,
-				   struct clockdomain *clkdm));
-
-int pwrdm_get_mem_bank_count(struct powerdomain *pwrdm);
-
-int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst);
-int pwrdm_read_next_pwrst(struct powerdomain *pwrdm);
-int pwrdm_read_pwrst(struct powerdomain *pwrdm);
-int pwrdm_read_prev_pwrst(struct powerdomain *pwrdm);
-int pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm);
-
-int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst);
-int pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank, u8 pwrst);
-int pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank, u8 pwrst);
-
-int pwrdm_read_logic_pwrst(struct powerdomain *pwrdm);
-int pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm);
-int pwrdm_read_logic_retst(struct powerdomain *pwrdm);
-int pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank);
-int pwrdm_read_prev_mem_pwrst(struct powerdomain *pwrdm, u8 bank);
-int pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank);
-
-int pwrdm_enable_hdwr_sar(struct powerdomain *pwrdm);
-int pwrdm_disable_hdwr_sar(struct powerdomain *pwrdm);
-bool pwrdm_has_hdwr_sar(struct powerdomain *pwrdm);
-
-int pwrdm_wait_transition(struct powerdomain *pwrdm);
-
-int pwrdm_state_switch(struct powerdomain *pwrdm);
-int pwrdm_clkdm_state_switch(struct clockdomain *clkdm);
-int pwrdm_pre_transition(void);
-int pwrdm_post_transition(void);
-int pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm);
-
-#endif
diff --git a/arch/arm/plat-omap/include/plat/prcm.h b/arch/arm/plat-omap/include/plat/prcm.h
index ab77442e42a..2fdf8c80d39 100644
--- a/arch/arm/plat-omap/include/plat/prcm.h
+++ b/arch/arm/plat-omap/include/plat/prcm.h
@@ -18,6 +18,10 @@
  * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * XXX This file is deprecated.  The PRCM is an OMAP2+-only subsystem,
+ * so this file doesn't belong in plat-omap/include/plat.  Please
+ * do not add anything new to this file.
  */
 
 #ifndef __ASM_ARM_ARCH_OMAP_PRCM_H
@@ -28,22 +32,6 @@ void omap_prcm_arch_reset(char mode, const char *cmd);
 int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest,
 			 const char *name);
 
-#define START_PADCONF_SAVE 0x2
-#define PADCONF_SAVE_DONE  0x1
-
-void omap3_prcm_save_context(void);
-void omap3_prcm_restore_context(void);
-
-u32 prm_read_mod_reg(s16 module, u16 idx);
-void prm_write_mod_reg(u32 val, s16 module, u16 idx);
-u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx);
-u32 prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask);
-u32 omap4_prm_read_bits_shift(void __iomem *reg, u32 mask);
-u32 omap4_prm_rmw_reg_bits(u32 mask, u32 bits, void __iomem *reg);
-u32 cm_read_mod_reg(s16 module, u16 idx);
-void cm_write_mod_reg(u32 val, s16 module, u16 idx);
-u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx);
-
 #endif
 
 
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index fdecd339d4f..b5a6e178a7f 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -28,6 +28,8 @@
 #include <plat/dma.h>
 #include <plat/mcbsp.h>
 
+/* XXX These "sideways" includes are a sign that something is wrong */
+#include "../mach-omap2/cm2xxx_3xxx.h"
 #include "../mach-omap2/cm-regbits-34xx.h"
 
 struct omap_mcbsp **mcbsp_ptr;
@@ -234,9 +236,9 @@ static void omap_st_on(struct omap_mcbsp *mcbsp)
 	 * Sidetone uses McBSP ICLK - which must not idle when sidetones
 	 * are enabled or sidetones start sounding ugly.
 	 */
-	w = cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
+	w = omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
 	w &= ~(1 << (mcbsp->id - 2));
-	cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE);
+	omap2_cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE);
 
 	/* Enable McBSP Sidetone */
 	w = MCBSP_READ(mcbsp, SSELCR);
@@ -263,9 +265,9 @@ static void omap_st_off(struct omap_mcbsp *mcbsp)
 	w = MCBSP_READ(mcbsp, SSELCR);
 	MCBSP_WRITE(mcbsp, SSELCR, w & ~(SIDETONEEN));
 
-	w = cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
+	w = omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
 	w |= 1 << (mcbsp->id - 2);
-	cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE);
+	omap2_cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE);
 }
 
 static void omap_st_fir_write(struct omap_mcbsp *mcbsp, s16 *fir)
diff --git a/arch/arm/plat-omap/omap-pm-noop.c b/arch/arm/plat-omap/omap-pm-noop.c
index ca75abb1806..b0471bb2d47 100644
--- a/arch/arm/plat-omap/omap-pm-noop.c
+++ b/arch/arm/plat-omap/omap-pm-noop.c
@@ -20,11 +20,14 @@
 #include <linux/init.h>
 #include <linux/cpufreq.h>
 #include <linux/device.h>
+#include <linux/platform_device.h>
 
 /* Interface documentation is in mach/omap-pm.h */
 #include <plat/omap-pm.h>
+#include <plat/omap_device.h>
 
-#include <plat/powerdomain.h>
+static bool off_mode_enabled;
+static u32 dummy_context_loss_counter;
 
 /*
  * Device-driver-originated constraints (via board-*.c files)
@@ -280,28 +283,66 @@ unsigned long omap_pm_cpu_get_freq(void)
 	return 0;
 }
 
+/**
+ * omap_pm_enable_off_mode - notify OMAP PM that off-mode is enabled
+ *
+ * Intended for use only by OMAP PM core code to notify this layer
+ * that off mode has been enabled.
+ */
+void omap_pm_enable_off_mode(void)
+{
+	off_mode_enabled = true;
+}
+
+/**
+ * omap_pm_disable_off_mode - notify OMAP PM that off-mode is disabled
+ *
+ * Intended for use only by OMAP PM core code to notify this layer
+ * that off mode has been disabled.
+ */
+void omap_pm_disable_off_mode(void)
+{
+	off_mode_enabled = false;
+}
+
 /*
  * Device context loss tracking
  */
 
-int omap_pm_get_dev_context_loss_count(struct device *dev)
+#ifdef CONFIG_ARCH_OMAP2PLUS
+
+u32 omap_pm_get_dev_context_loss_count(struct device *dev)
 {
-	if (!dev) {
-		WARN_ON(1);
-		return -EINVAL;
-	};
+	struct platform_device *pdev = to_platform_device(dev);
+	u32 count;
+
+	if (WARN_ON(!dev))
+		return 0;
+
+	if (dev->parent == &omap_device_parent) {
+		count = omap_device_get_context_loss_count(pdev);
+	} else {
+		WARN_ONCE(off_mode_enabled, "omap_pm: using dummy context loss counter; device %s should be converted to omap_device",
+			  dev_name(dev));
+		if (off_mode_enabled)
+			dummy_context_loss_counter++;
+		count = dummy_context_loss_counter;
+	}
 
-	pr_debug("OMAP PM: returning context loss count for dev %s\n",
-		 dev_name(dev));
+	pr_debug("OMAP PM: context loss count for dev %s = %d\n",
+		 dev_name(dev), count);
 
-	/*
-	 * Map the device to the powerdomain.  Return the powerdomain
-	 * off counter.
-	 */
+	return count;
+}
 
-	return 0;
+#else
+
+u32 omap_pm_get_dev_context_loss_count(struct device *dev)
+{
+	return dummy_context_loss_counter;
 }
 
+#endif
 
 /* Should be called before clk framework init */
 int __init omap_pm_if_early_init(void)
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index abe933cd8f0..57adb270767 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -280,6 +280,34 @@ static void _add_optional_clock_alias(struct omap_device *od,
 /* Public functions for use by core code */
 
 /**
+ * omap_device_get_context_loss_count - get lost context count
+ * @od: struct omap_device *
+ *
+ * Using the primary hwmod, query the context loss count for this
+ * device.
+ *
+ * Callers should consider context for this device lost any time this
+ * function returns a value different than the value the caller got
+ * the last time it called this function.
+ *
+ * If any hwmods exist for the omap_device assoiated with @pdev,
+ * return the context loss counter for that hwmod, otherwise return
+ * zero.
+ */
+u32 omap_device_get_context_loss_count(struct platform_device *pdev)
+{
+	struct omap_device *od;
+	u32 ret = 0;
+
+	od = _find_by_pdev(pdev);
+
+	if (od->hwmods_cnt)
+		ret = omap_hwmod_get_context_loss_count(od->hwmods[0]);
+
+	return ret;
+}
+
+/**
  * omap_device_count_resources - count number of struct resource entries needed
  * @od: struct omap_device *
  *
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 1a686c89d8d..e26e50487d6 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -33,9 +33,10 @@
 
 #include "sram.h"
 #include "fb.h"
+
+/* XXX These "sideways" includes are a sign that something is wrong */
 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
-# include "../mach-omap2/prm.h"
-# include "../mach-omap2/cm.h"
+# include "../mach-omap2/prm2xxx_3xxx.h"
 # include "../mach-omap2/sdrc.h"
 #endif