Merge branch 'for_2.6.34_4f4e65_a' of git://git.pwsan.com/linux-2.6 into omap-for-linus

9 files changed, 151 insertions, 108 deletions

diff --git a/arch/arm/plat-omap/include/plat/clkdev_omap.h b/arch/arm/plat-omap/include/plat/clkdev_omap.h
index 35b36caf5f9..bb937f3fabe 100644
--- a/arch/arm/plat-omap/include/plat/clkdev_omap.h
+++ b/arch/arm/plat-omap/include/plat/clkdev_omap.h
@@ -25,17 +25,25 @@ struct omap_clk {
 		},			\
 	}
 
-
+/* Platform flags for the clkdev-OMAP integration code */
 #define CK_310		(1 << 0)
-#define CK_7XX		(1 << 1)
+#define CK_7XX		(1 << 1)	/* 7xx, 850 */
 #define CK_1510		(1 << 2)
-#define CK_16XX		(1 << 3)
-#define CK_243X		(1 << 4)
-#define CK_242X		(1 << 5)
-#define CK_343X		(1 << 6)
-#define CK_3430ES1	(1 << 7)
-#define CK_3430ES2	(1 << 8)
-#define CK_443X		(1 << 9)
+#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_AM35XX	(CK_3505 | CK_3517)	/* all Sitara AM35xx */
+
+
 
 #endif
 
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 94fe2a0ce40..e4131320812 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -88,9 +88,9 @@ struct clk {
 	void			(*init)(struct clk *);
 	__u8			enable_bit;
 	__s8			usecount;
+	u8			fixed_div;
 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
 		defined(CONFIG_ARCH_OMAP4)
-	u8			fixed_div;
 	void __iomem		*clksel_reg;
 	u32			clksel_mask;
 	const struct clksel	*clksel;
@@ -123,7 +123,7 @@ struct clk_functions {
 #endif
 };
 
-extern unsigned int mpurate;
+extern int mpurate;
 
 extern int clk_init(struct clk_functions *custom_clocks);
 extern void clk_preinit(struct clk *clk);
@@ -134,6 +134,7 @@ extern void propagate_rate(struct clk *clk);
 extern void recalculate_root_clocks(void);
 extern unsigned long followparent_recalc(struct clk *clk);
 extern void clk_enable_init_clocks(void);
+unsigned long omap_fixed_divisor_recalc(struct clk *clk);
 #ifdef CONFIG_CPU_FREQ
 extern void clk_init_cpufreq_table(struct cpufreq_frequency_table **table);
 extern void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table);
diff --git a/arch/arm/plat-omap/include/plat/clockdomain.h b/arch/arm/plat-omap/include/plat/clockdomain.h
index eb734826e64..ba0a6c07c0f 100644
--- a/arch/arm/plat-omap/include/plat/clockdomain.h
+++ b/arch/arm/plat-omap/include/plat/clockdomain.h
@@ -4,7 +4,7 @@
  * OMAP2/3 clockdomain framework functions
  *
  * Copyright (C) 2008 Texas Instruments, Inc.
- * Copyright (C) 2008 Nokia Corporation
+ * Copyright (C) 2008-2009 Nokia Corporation
  *
  * Written by Paul Walmsley
  *
@@ -40,65 +40,95 @@
 #define OMAP34XX_CLKSTCTRL_FORCE_WAKEUP		0x2
 #define OMAP34XX_CLKSTCTRL_ENABLE_AUTO		0x3
 
-/*
- * struct clkdm_pwrdm_autodep - a powerdomain that should have wkdeps
- * and sleepdeps added when a powerdomain should stay active in hwsup mode;
- * and conversely, removed when the powerdomain should be allowed to go
- * inactive in hwsup mode.
+/**
+ * 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_pwrdm_autodep {
-
+struct clkdm_autodep {
 	union {
-		/* Name of the powerdomain to add a wkdep/sleepdep on */
 		const char *name;
-
-		/* Powerdomain pointer (looked up at clkdm_init() time) */
-		struct powerdomain *ptr;
-	} pwrdm;
-
-	/* OMAP chip types that this clockdomain dep is valid on */
+		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 {
-
-	/* Clockdomain name */
 	const char *name;
-
 	union {
-		/* Powerdomain enclosing this clockdomain */
 		const char *name;
-
-		/* Powerdomain pointer assigned at clkdm_register() */
 		struct powerdomain *ptr;
 	} pwrdm;
-
-	/* CLKTRCTRL/AUTOSTATE field mask in CM_CLKSTCTRL reg */
+	void __iomem *clkstctrl_reg;
 	const u16 clktrctrl_mask;
-
-	/* Clockdomain capability flags */
 	const u8 flags;
-
-	/* OMAP chip types that this clockdomain is valid on */
+	const u8 dep_bit;
+	struct clkdm_dep *wkdep_srcs;
+	struct clkdm_dep *sleepdep_srcs;
 	const struct omap_chip_id omap_chip;
-
-	/* Usecount tracking */
 	atomic_t usecount;
-
 	struct list_head node;
-
 };
 
-void clkdm_init(struct clockdomain **clkdms, struct clkdm_pwrdm_autodep *autodeps);
-int clkdm_register(struct clockdomain *clkdm);
-int clkdm_unregister(struct clockdomain *clkdm);
+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);
 
diff --git a/arch/arm/plat-omap/include/plat/control.h b/arch/arm/plat-omap/include/plat/control.h
index a745d62fad0..61e7b8a8c99 100644
--- a/arch/arm/plat-omap/include/plat/control.h
+++ b/arch/arm/plat-omap/include/plat/control.h
@@ -160,6 +160,14 @@
 #define OMAP343X_CONTROL_SRAMLDO5	(OMAP2_CONTROL_GENERAL + 0x02C0)
 #define OMAP343X_CONTROL_CSI		(OMAP2_CONTROL_GENERAL + 0x02C4)
 
+/* AM35XX only CONTROL_GENERAL register offsets */
+#define AM35XX_CONTROL_MSUSPENDMUX_6    (OMAP2_CONTROL_GENERAL + 0x0038)
+#define AM35XX_CONTROL_DEVCONF2         (OMAP2_CONTROL_GENERAL + 0x0310)
+#define AM35XX_CONTROL_DEVCONF3         (OMAP2_CONTROL_GENERAL + 0x0314)
+#define AM35XX_CONTROL_CBA_PRIORITY     (OMAP2_CONTROL_GENERAL + 0x0320)
+#define AM35XX_CONTROL_LVL_INTR_CLEAR   (OMAP2_CONTROL_GENERAL + 0x0324)
+#define AM35XX_CONTROL_IP_SW_RESET      (OMAP2_CONTROL_GENERAL + 0x0328)
+#define AM35XX_CONTROL_IPSS_CLK_CTRL    (OMAP2_CONTROL_GENERAL + 0x032C)
 
 /* 34xx PADCONF register offsets */
 #define OMAP343X_PADCONF_ETK(i)		(OMAP2_CONTROL_PADCONFS + 0x5a8 + \
@@ -257,6 +265,15 @@
 #define OMAP343X_SCRATCHPAD		(OMAP343X_CTRL_BASE + 0x910)
 #define OMAP343X_SCRATCHPAD_ROM_OFFSET	0x19C
 
+/* AM35XX_CONTROL_IPSS_CLK_CTRL bits */
+#define AM35XX_USBOTG_VBUSP_CLK_SHIFT   0
+#define AM35XX_CPGMAC_VBUSP_CLK_SHIFT   1
+#define AM35XX_VPFE_VBUSP_CLK_SHIFT     2
+#define AM35XX_HECC_VBUSP_CLK_SHIFT     3
+#define AM35XX_USBOTG_FCLK_SHIFT        8
+#define AM35XX_CPGMAC_FCLK_SHIFT        9
+#define AM35XX_VPFE_FCLK_SHIFT          10
+
 /*
  * CONTROL OMAP STATUS register to identify OMAP3 features
  */
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index a162f585b1e..ccd78fd473d 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -44,7 +44,7 @@
 int omap_type(void);
 
 struct omap_chip_id {
-	u8 oc;
+	u16 oc;
 	u8 type;
 };
 
@@ -154,6 +154,7 @@ unsigned int omap_rev(void);
  * cpu_is_omap242x():	True for OMAP2420, OMAP2422, OMAP2423
  * cpu_is_omap243x():	True for OMAP2430
  * cpu_is_omap343x():	True for OMAP3430
+ * cpu_is_omap443x():	True for OMAP4430
  */
 #define GET_OMAP_CLASS	(omap_rev() & 0xff)
 
@@ -286,6 +287,7 @@ IS_OMAP_SUBCLASS(443x, 0x443)
  * cpu_is_omap2423():	True for OMAP2423
  * cpu_is_omap2430():	True for OMAP2430
  * cpu_is_omap3430():	True for OMAP3430
+ * cpu_is_omap4430():	True for OMAP4430
  * cpu_is_omap3505():	True for OMAP3505
  * cpu_is_omap3517():	True for OMAP3517
  */
@@ -334,6 +336,7 @@ IS_OMAP_TYPE(3517, 0x3517)
 #define cpu_is_omap3505()		0
 #define cpu_is_omap3517()		0
 #define cpu_is_omap3430()		0
+#define cpu_is_omap4430()		0
 #define cpu_is_omap3630()		0
 
 /*
@@ -471,9 +474,12 @@ IS_OMAP_TYPE(3517, 0x3517)
 #define CHIP_IS_OMAP3430ES3_0		(1 << 5)
 #define CHIP_IS_OMAP3430ES3_1		(1 << 6)
 #define CHIP_IS_OMAP3630ES1		(1 << 7)
+#define CHIP_IS_OMAP4430ES1		(1 << 8)
 
 #define CHIP_IS_OMAP24XX		(CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
 
+#define CHIP_IS_OMAP4430		(CHIP_IS_OMAP4430ES1)
+
 /*
  * "GE" here represents "greater than or equal to" in terms of ES
  * levels.  So CHIP_GE_OMAP3430ES2 is intended to match all OMAP3430
diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h
index dc1fac1d805..76d49171fed 100644
--- a/arch/arm/plat-omap/include/plat/omap_device.h
+++ b/arch/arm/plat-omap/include/plat/omap_device.h
@@ -131,11 +131,15 @@ int omap_device_enable_clocks(struct omap_device *od);
  */
 struct omap_device_pm_latency {
 	u32 deactivate_lat;
+	u32 deactivate_lat_worst;
 	int (*deactivate_func)(struct omap_device *od);
 	u32 activate_lat;
+	u32 activate_lat_worst;
 	int (*activate_func)(struct omap_device *od);
+	u32 flags;
 };
 
+#define OMAP_DEVICE_LATENCY_AUTO_ADJUST BIT(1)
 
 /* Get omap_device pointer from platform_device pointer */
 #define to_omap_device(x) container_of((x), struct omap_device, pdev)
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index 33933256a22..921990e2a29 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -441,6 +441,8 @@ int omap_hwmod_shutdown(struct omap_hwmod *oh);
 int omap_hwmod_enable_clocks(struct omap_hwmod *oh);
 int omap_hwmod_disable_clocks(struct omap_hwmod *oh);
 
+int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode);
+
 int omap_hwmod_reset(struct omap_hwmod *oh);
 void omap_hwmod_ocp_barrier(struct omap_hwmod *oh);
 
diff --git a/arch/arm/plat-omap/include/plat/powerdomain.h b/arch/arm/plat-omap/include/plat/powerdomain.h
index 0b960051eae..e15c7e9da97 100644
--- a/arch/arm/plat-omap/include/plat/powerdomain.h
+++ b/arch/arm/plat-omap/include/plat/powerdomain.h
@@ -1,8 +1,8 @@
 /*
  * OMAP2/3 powerdomain control
  *
- * Copyright (C) 2007-8 Texas Instruments, Inc.
- * Copyright (C) 2007-8 Nokia Corporation
+ * Copyright (C) 2007-2008 Texas Instruments, Inc.
+ * Copyright (C) 2007-2009 Nokia Corporation
  *
  * Written by Paul Walmsley
  *
@@ -37,6 +37,9 @@
 #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))
 
 
@@ -48,16 +51,16 @@
 					  */
 
 /*
- * Number of memory banks that are power-controllable.	On OMAP3430, the
- * maximum is 4.
+ * Number of memory banks that are power-controllable.	On OMAP4430, the
+ * maximum is 5.
  */
-#define PWRDM_MAX_MEM_BANKS	4
+#define PWRDM_MAX_MEM_BANKS	5
 
 /*
  * Maximum number of clockdomains that can be associated with a powerdomain.
- * CORE powerdomain on OMAP3 is the worst case
+ * CORE powerdomain on OMAP4 is the worst case
  */
-#define PWRDM_MAX_CLKDMS	4
+#define PWRDM_MAX_CLKDMS	9
 
 /* XXX A completely arbitrary number. What is reasonable here? */
 #define PWRDM_TRANSITION_BAILOUT 100000
@@ -65,63 +68,36 @@
 struct clockdomain;
 struct powerdomain;
 
-/* Encodes dependencies between powerdomains - statically defined */
-struct pwrdm_dep {
-
-	/* Powerdomain name */
-	const char *pwrdm_name;
-
-	/* Powerdomain pointer - resolved by the powerdomain code */
-	struct powerdomain *pwrdm;
-
-	/* Flags to mark OMAP chip restrictions, etc. */
-	const struct omap_chip_id omap_chip;
-
-};
-
+/**
+ * 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 {
-
-	/* Powerdomain name */
 	const char *name;
-
-	/* the address offset from CM_BASE/PRM_BASE */
-	const s16 prcm_offs;
-
-	/* Used to represent the OMAP chip types containing this pwrdm */
 	const struct omap_chip_id omap_chip;
-
-	/* Powerdomains that can be told to wake this powerdomain up */
-	struct pwrdm_dep *wkdep_srcs;
-
-	/* Powerdomains that can be told to keep this pwrdm from inactivity */
-	struct pwrdm_dep *sleepdep_srcs;
-
-	/* Bit shift of this powerdomain's PM_WKDEP/CM_SLEEPDEP bit */
-	const u8 dep_bit;
-
-	/* Possible powerdomain power states */
+	const s16 prcm_offs;
 	const u8 pwrsts;
-
-	/* Possible logic power states when pwrdm in RETENTION */
 	const u8 pwrsts_logic_ret;
-
-	/* Powerdomain flags */
 	const u8 flags;
-
-	/* Number of software-controllable memory banks in this powerdomain */
 	const u8 banks;
-
-	/* Possible memory bank pwrstates when pwrdm in RETENTION */
 	const u8 pwrsts_mem_ret[PWRDM_MAX_MEM_BANKS];
-
-	/* Possible memory bank pwrstates when pwrdm is ON */
 	const u8 pwrsts_mem_on[PWRDM_MAX_MEM_BANKS];
-
-	/* Clockdomains in this powerdomain */
 	struct clockdomain *pwrdm_clkdms[PWRDM_MAX_CLKDMS];
-
 	struct list_head node;
-
 	int state;
 	unsigned state_counter[PWRDM_MAX_PWRSTS];
 
@@ -134,8 +110,6 @@ struct powerdomain {
 
 void pwrdm_init(struct powerdomain **pwrdm_list);
 
-int pwrdm_register(struct powerdomain *pwrdm);
-int pwrdm_unregister(struct powerdomain *pwrdm);
 struct powerdomain *pwrdm_lookup(const char *name);
 
 int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm, void *user),
@@ -149,13 +123,6 @@ int pwrdm_for_each_clkdm(struct powerdomain *pwrdm,
 			 int (*fn)(struct powerdomain *pwrdm,
 				   struct clockdomain *clkdm));
 
-int pwrdm_add_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2);
-int pwrdm_del_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2);
-int pwrdm_read_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2);
-int pwrdm_add_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2);
-int pwrdm_del_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2);
-int pwrdm_read_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2);
-
 int pwrdm_get_mem_bank_count(struct powerdomain *pwrdm);
 
 int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst);
diff --git a/arch/arm/plat-omap/include/plat/prcm.h b/arch/arm/plat-omap/include/plat/prcm.h
index e63e94e1897..66938a9f8da 100644
--- a/arch/arm/plat-omap/include/plat/prcm.h
+++ b/arch/arm/plat-omap/include/plat/prcm.h
@@ -33,6 +33,14 @@ int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, const char *name);
 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 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