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authorTony Lindgren <tony@atomide.com>2010-02-24 20:53:03 -0800
committerTony Lindgren <tony@atomide.com>2010-02-24 20:53:03 -0800
commitb610ec502376d915b76a62e22576c5d0462cc9c9 (patch)
tree55206c47da1f010588964edafe09284fce704b63 /arch/arm/plat-omap
parent0fdc54b2019700a4b50179914e810367c14044a3 (diff)
parentad001f145dcf457251e78fe2ae2ed40df1bda4ed (diff)
Merge branch 'for_2.6.34_b' of git://git.pwsan.com/linux-2.6 into omap-for-linus
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r--arch/arm/plat-omap/clock.c39
-rw-r--r--arch/arm/plat-omap/include/plat/clock.h91
-rw-r--r--arch/arm/plat-omap/include/plat/cpu.h2
-rw-r--r--arch/arm/plat-omap/include/plat/omap_device.h7
-rw-r--r--arch/arm/plat-omap/include/plat/omap_hwmod.h136
-rw-r--r--arch/arm/plat-omap/include/plat/powerdomain.h4
-rw-r--r--arch/arm/plat-omap/include/plat/prcm.h3
-rw-r--r--arch/arm/plat-omap/omap_device.c61
8 files changed, 267 insertions, 76 deletions
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index e3b58afa5dcf..5261a0923691 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -313,6 +313,33 @@ void clk_enable_init_clocks(void)
}
}
+/**
+ * omap_clk_get_by_name - locate OMAP struct clk by its name
+ * @name: name of the struct clk to locate
+ *
+ * Locate an OMAP struct clk by its name. Assumes that struct clk
+ * names are unique. Returns NULL if not found or a pointer to the
+ * struct clk if found.
+ */
+struct clk *omap_clk_get_by_name(const char *name)
+{
+ struct clk *c;
+ struct clk *ret = NULL;
+
+ mutex_lock(&clocks_mutex);
+
+ list_for_each_entry(c, &clocks, node) {
+ if (!strcmp(c->name, name)) {
+ ret = c;
+ break;
+ }
+ }
+
+ mutex_unlock(&clocks_mutex);
+
+ return ret;
+}
+
/*
* Low level helpers
*/
@@ -330,6 +357,16 @@ const struct clkops clkops_null = {
.disable = clkll_disable_null,
};
+/*
+ * Dummy clock
+ *
+ * Used for clock aliases that are needed on some OMAPs, but not others
+ */
+struct clk dummy_ck = {
+ .name = "dummy",
+ .ops = &clkops_null,
+};
+
#ifdef CONFIG_CPU_FREQ
void clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
{
@@ -408,8 +445,6 @@ static int clk_debugfs_register_one(struct clk *c)
char *p = s;
p += sprintf(p, "%s", c->name);
- if (c->id != 0)
- sprintf(p, ":%d", c->id);
d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root);
if (!d)
return -ENOMEM;
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 8a86df4ad99c..34f7fa9ad4c0 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -1,9 +1,9 @@
/*
- * arch/arm/plat-omap/include/mach/clock.h
+ * OMAP clock: data structure definitions, function prototypes, shared macros
*
- * Copyright (C) 2004 - 2005 Nokia corporation
- * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
- * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
+ * Copyright (C) 2004-2005, 2008-2010 Nokia Corporation
+ * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
+ * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
*
* 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
@@ -22,8 +22,10 @@ struct clockdomain;
struct clkops {
int (*enable)(struct clk *);
void (*disable)(struct clk *);
- void (*find_idlest)(struct clk *, void __iomem **, u8 *);
- void (*find_companion)(struct clk *, void __iomem **, u8 *);
+ void (*find_idlest)(struct clk *, void __iomem **,
+ u8 *, u8 *);
+ void (*find_companion)(struct clk *, void __iomem **,
+ u8 *);
};
#ifdef CONFIG_ARCH_OMAP2PLUS
@@ -39,6 +41,50 @@ struct clksel {
const struct clksel_rate *rates;
};
+/**
+ * struct dpll_data - DPLL registers and integration data
+ * @mult_div1_reg: register containing the DPLL M and N bitfields
+ * @mult_mask: mask of the DPLL M bitfield in @mult_div1_reg
+ * @div1_mask: mask of the DPLL N bitfield in @mult_div1_reg
+ * @clk_bypass: struct clk pointer to the clock's bypass clock input
+ * @clk_ref: struct clk pointer to the clock's reference clock input
+ * @control_reg: register containing the DPLL mode bitfield
+ * @enable_mask: mask of the DPLL mode bitfield in @control_reg
+ * @rate_tolerance: maximum variance allowed from target rate (in Hz)
+ * @last_rounded_rate: cache of the last rate result of omap2_dpll_round_rate()
+ * @last_rounded_m: cache of the last M result of omap2_dpll_round_rate()
+ * @max_multiplier: maximum valid non-bypass multiplier value (actual)
+ * @last_rounded_n: cache of the last N result of omap2_dpll_round_rate()
+ * @min_divider: minimum valid non-bypass divider value (actual)
+ * @max_divider: maximum valid non-bypass divider value (actual)
+ * @modes: possible values of @enable_mask
+ * @autoidle_reg: register containing the DPLL autoidle mode bitfield
+ * @idlest_reg: register containing the DPLL idle status bitfield
+ * @autoidle_mask: mask of the DPLL autoidle mode bitfield in @autoidle_reg
+ * @freqsel_mask: mask of the DPLL jitter correction bitfield in @control_reg
+ * @idlest_mask: mask of the DPLL idle status bitfield in @idlest_reg
+ * @auto_recal_bit: bitshift of the driftguard enable bit in @control_reg
+ * @recal_en_bit: bitshift of the PRM_IRQENABLE_* bit for recalibration IRQs
+ * @recal_st_bit: bitshift of the PRM_IRQSTATUS_* bit for recalibration IRQs
+ * @flags: DPLL type/features (see below)
+ *
+ * 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
+ * correct to only have one @clk_bypass pointer.
+ *
+ * XXX @rate_tolerance should probably be deprecated - currently there
+ * don't seem to be any usecases for DPLL rounding that is not exact.
+ *
+ * XXX The runtime-variable fields (@last_rounded_rate, @last_rounded_m,
+ * @last_rounded_n) should be separated from the runtime-fixed fields
+ * and placed into a differenct structure, so that the runtime-fixed data
+ * can be placed into read-only space.
+ */
struct dpll_data {
void __iomem *mult_div1_reg;
u32 mult_mask;
@@ -50,13 +96,12 @@ struct dpll_data {
unsigned int rate_tolerance;
unsigned long last_rounded_rate;
u16 last_rounded_m;
+ u16 max_multiplier;
u8 last_rounded_n;
u8 min_divider;
u8 max_divider;
- u32 max_tolerance;
- u16 max_multiplier;
-#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
u8 modes;
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
void __iomem *autoidle_reg;
void __iomem *idlest_reg;
u32 autoidle_mask;
@@ -65,6 +110,7 @@ struct dpll_data {
u8 auto_recal_bit;
u8 recal_en_bit;
u8 recal_st_bit;
+ u8 flags;
# endif
};
@@ -74,12 +120,10 @@ struct clk {
struct list_head node;
const struct clkops *ops;
const char *name;
- int id;
struct clk *parent;
struct list_head children;
struct list_head sibling; /* node for children */
unsigned long rate;
- __u32 flags;
void __iomem *enable_reg;
unsigned long (*recalc)(struct clk *);
int (*set_rate)(struct clk *, unsigned long);
@@ -88,6 +132,7 @@ struct clk {
__u8 enable_bit;
__s8 usecount;
u8 fixed_div;
+ u8 flags;
#ifdef CONFIG_ARCH_OMAP2PLUS
void __iomem *clksel_reg;
u32 clksel_mask;
@@ -137,23 +182,18 @@ unsigned long omap_fixed_divisor_recalc(struct clk *clk);
extern void clk_init_cpufreq_table(struct cpufreq_frequency_table **table);
extern void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table);
#endif
+extern struct clk *omap_clk_get_by_name(const char *name);
extern const struct clkops clkops_null;
+extern struct clk dummy_ck;
+
/* Clock flags */
-/* bit 0 is free */
-#define RATE_FIXED (1 << 1) /* Fixed clock rate */
-/* bits 2-4 are free */
-#define ENABLE_REG_32BIT (1 << 5) /* Use 32-bit access */
-#define CLOCK_IDLE_CONTROL (1 << 7)
-#define CLOCK_NO_IDLE_PARENT (1 << 8)
-#define DELAYED_APP (1 << 9) /* Delay application of clock */
-#define CONFIG_PARTICIPANT (1 << 10) /* Fundamental clock */
-#define ENABLE_ON_INIT (1 << 11) /* Enable upon framework init */
-#define INVERT_ENABLE (1 << 12) /* 0 enables, 1 disables */
-#define CLOCK_IN_OMAP4430 (1 << 13)
-#define ALWAYS_ENABLED (1 << 14)
-/* bits 13-31 are currently free */
+#define ENABLE_REG_32BIT (1 << 0) /* Use 32-bit access */
+#define CLOCK_IDLE_CONTROL (1 << 1)
+#define CLOCK_NO_IDLE_PARENT (1 << 2)
+#define ENABLE_ON_INIT (1 << 3) /* Enable upon framework init */
+#define INVERT_ENABLE (1 << 4) /* 0 enables, 1 disables */
/* Clksel_rate flags */
#define DEFAULT_RATE (1 << 0)
@@ -161,7 +201,8 @@ extern const struct clkops clkops_null;
#define RATE_IN_243X (1 << 2)
#define RATE_IN_343X (1 << 3) /* rates common to all 343X */
#define RATE_IN_3430ES2 (1 << 4) /* 3430ES2 rates only */
-#define RATE_IN_4430 (1 << 5)
+#define RATE_IN_36XX (1 << 5)
+#define RATE_IN_4430 (1 << 6)
#define RATE_IN_24XX (RATE_IN_242X | RATE_IN_243X)
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index b80151c1ee61..ed8786c41df2 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -439,6 +439,7 @@ extern u32 omap3_features;
#define OMAP3_HAS_SGX BIT(2)
#define OMAP3_HAS_NEON BIT(3)
#define OMAP3_HAS_ISP BIT(4)
+#define OMAP3_HAS_192MHZ_CLK BIT(5)
#define OMAP3_HAS_FEATURE(feat,flag) \
static inline unsigned int omap3_has_ ##feat(void) \
@@ -451,5 +452,6 @@ OMAP3_HAS_FEATURE(sgx, SGX)
OMAP3_HAS_FEATURE(iva, IVA)
OMAP3_HAS_FEATURE(neon, NEON)
OMAP3_HAS_FEATURE(isp, ISP)
+OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
#endif
diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h
index 76d49171fed9..3694b622c4ac 100644
--- a/arch/arm/plat-omap/include/plat/omap_device.h
+++ b/arch/arm/plat-omap/include/plat/omap_device.h
@@ -62,6 +62,7 @@
*
*/
struct omap_device {
+ u32 magic;
struct platform_device pdev;
struct omap_hwmod **hwmods;
struct omap_device_pm_latency *pm_lats;
@@ -81,6 +82,7 @@ int omap_device_shutdown(struct platform_device *pdev);
/* Core code interface */
+bool omap_device_is_valid(struct omap_device *od);
int omap_device_count_resources(struct omap_device *od);
int omap_device_fill_resources(struct omap_device *od, struct resource *res);
@@ -88,15 +90,16 @@ struct omap_device *omap_device_build(const char *pdev_name, int pdev_id,
struct omap_hwmod *oh, void *pdata,
int pdata_len,
struct omap_device_pm_latency *pm_lats,
- int pm_lats_cnt);
+ int pm_lats_cnt, int is_early_device);
struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
struct omap_hwmod **oh, int oh_cnt,
void *pdata, int pdata_len,
struct omap_device_pm_latency *pm_lats,
- int pm_lats_cnt);
+ int pm_lats_cnt, int is_early_device);
int omap_device_register(struct omap_device *od);
+int omap_early_device_register(struct omap_device *od);
/* OMAP PM interface */
int omap_device_align_pm_lat(struct platform_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 921990e2a29a..440b4164f2f6 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -4,7 +4,7 @@
* Copyright (C) 2009 Nokia Corporation
* Paul Walmsley
*
- * Created in collaboration with (alphabetical order): Benoit Cousson,
+ * Created in collaboration with (alphabetical order): BenoƮt Cousson,
* Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram Pandita, Sakari
* Poussa, Anand Sawant, Santosh Shilimkar, Richard Woodruff
*
@@ -33,25 +33,42 @@
#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H
#include <linux/kernel.h>
+#include <linux/list.h>
#include <linux/ioport.h>
-
#include <plat/cpu.h>
struct omap_device;
-/* OCP SYSCONFIG bit shifts/masks */
-#define SYSC_MIDLEMODE_SHIFT 12
-#define SYSC_MIDLEMODE_MASK (0x3 << SYSC_MIDLEMODE_SHIFT)
-#define SYSC_CLOCKACTIVITY_SHIFT 8
-#define SYSC_CLOCKACTIVITY_MASK (0x3 << SYSC_CLOCKACTIVITY_SHIFT)
-#define SYSC_SIDLEMODE_SHIFT 3
-#define SYSC_SIDLEMODE_MASK (0x3 << SYSC_SIDLEMODE_SHIFT)
-#define SYSC_ENAWAKEUP_SHIFT 2
-#define SYSC_ENAWAKEUP_MASK (1 << SYSC_ENAWAKEUP_SHIFT)
-#define SYSC_SOFTRESET_SHIFT 1
-#define SYSC_SOFTRESET_MASK (1 << SYSC_SOFTRESET_SHIFT)
-#define SYSC_AUTOIDLE_SHIFT 0
-#define SYSC_AUTOIDLE_MASK (1 << SYSC_AUTOIDLE_SHIFT)
+extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type1;
+extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2;
+
+/*
+ * OCP SYSCONFIG bit shifts/masks TYPE1. These are for IPs compliant
+ * with the original PRCM protocol defined for OMAP2420
+ */
+#define SYSC_TYPE1_MIDLEMODE_SHIFT 12
+#define SYSC_TYPE1_MIDLEMODE_MASK (0x3 << SYSC_MIDLEMODE_SHIFT)
+#define SYSC_TYPE1_CLOCKACTIVITY_SHIFT 8
+#define SYSC_TYPE1_CLOCKACTIVITY_MASK (0x3 << SYSC_CLOCKACTIVITY_SHIFT)
+#define SYSC_TYPE1_SIDLEMODE_SHIFT 3
+#define SYSC_TYPE1_SIDLEMODE_MASK (0x3 << SYSC_SIDLEMODE_SHIFT)
+#define SYSC_TYPE1_ENAWAKEUP_SHIFT 2
+#define SYSC_TYPE1_ENAWAKEUP_MASK (1 << SYSC_ENAWAKEUP_SHIFT)
+#define SYSC_TYPE1_SOFTRESET_SHIFT 1
+#define SYSC_TYPE1_SOFTRESET_MASK (1 << SYSC_SOFTRESET_SHIFT)
+#define SYSC_TYPE1_AUTOIDLE_SHIFT 0
+#define SYSC_TYPE1_AUTOIDLE_MASK (1 << SYSC_AUTOIDLE_SHIFT)
+
+/*
+ * OCP SYSCONFIG bit shifts/masks TYPE2. These are for IPs compliant
+ * with the new PRCM protocol defined for new OMAP4 IPs.
+ */
+#define SYSC_TYPE2_SOFTRESET_SHIFT 0
+#define SYSC_TYPE2_SOFTRESET_MASK (1 << SYSC_TYPE2_SOFTRESET_SHIFT)
+#define SYSC_TYPE2_SIDLEMODE_SHIFT 2
+#define SYSC_TYPE2_SIDLEMODE_MASK (0x3 << SYSC_TYPE2_SIDLEMODE_SHIFT)
+#define SYSC_TYPE2_MIDLEMODE_SHIFT 4
+#define SYSC_TYPE2_MIDLEMODE_MASK (0x3 << SYSC_TYPE2_MIDLEMODE_SHIFT)
/* OCP SYSSTATUS bit shifts/masks */
#define SYSS_RESETDONE_SHIFT 0
@@ -62,7 +79,6 @@ struct omap_device;
#define HWMOD_IDLEMODE_NO (1 << 1)
#define HWMOD_IDLEMODE_SMART (1 << 2)
-
/**
* struct omap_hwmod_irq_info - MPU IRQs used by the hwmod
* @name: name of the IRQ channel (module local name)
@@ -94,8 +110,7 @@ struct omap_hwmod_dma_info {
/**
* struct omap_hwmod_opt_clk - optional clocks used by this hwmod
* @role: "sys", "32k", "tv", etc -- for use in clk_get()
- * @clkdev_dev_id: opt clock: clkdev dev_id string
- * @clkdev_con_id: opt clock: clkdev con_id string
+ * @clk: opt clock: OMAP clock name
* @_clk: pointer to the struct clk (filled in at runtime)
*
* The module's interface clock and main functional clock should not
@@ -103,8 +118,7 @@ struct omap_hwmod_dma_info {
*/
struct omap_hwmod_opt_clk {
const char *role;
- const char *clkdev_dev_id;
- const char *clkdev_con_id;
+ const char *clk;
struct clk *_clk;
};
@@ -171,8 +185,7 @@ struct omap_hwmod_addr_space {
* @master: struct omap_hwmod that initiates OCP transactions on this link
* @slave: struct omap_hwmod that responds to OCP transactions on this link
* @addr: address space associated with this link
- * @clkdev_dev_id: interface clock: clkdev dev_id string
- * @clkdev_con_id: interface clock: clkdev con_id string
+ * @clk: interface clock: OMAP clock name
* @_clk: pointer to the interface struct clk (filled in at runtime)
* @fw: interface firewall data
* @addr_cnt: ARRAY_SIZE(@addr)
@@ -191,8 +204,7 @@ struct omap_hwmod_ocp_if {
struct omap_hwmod *master;
struct omap_hwmod *slave;
struct omap_hwmod_addr_space *addr;
- const char *clkdev_dev_id;
- const char *clkdev_con_id;
+ const char *clk;
struct clk *_clk;
union {
struct omap_hwmod_omap2_firewall omap2;
@@ -236,7 +248,25 @@ struct omap_hwmod_ocp_if {
#define CLOCKACT_TEST_NONE 0x3
/**
- * struct omap_hwmod_sysconfig - hwmod OCP_SYSCONFIG/OCP_SYSSTATUS data
+ * struct omap_hwmod_sysc_fields - hwmod OCP_SYSCONFIG register field offsets.
+ * @midle_shift: Offset of the midle bit
+ * @clkact_shift: Offset of the clockactivity bit
+ * @sidle_shift: Offset of the sidle bit
+ * @enwkup_shift: Offset of the enawakeup bit
+ * @srst_shift: Offset of the softreset bit
+ * @autoidle_shift: Offset of the autoidle bit
+ */
+struct omap_hwmod_sysc_fields {
+ u8 midle_shift;
+ u8 clkact_shift;
+ u8 sidle_shift;
+ u8 enwkup_shift;
+ u8 srst_shift;
+ u8 autoidle_shift;
+};
+
+/**
+ * struct omap_hwmod_class_sysconfig - hwmod class OCP_SYS* data
* @rev_offs: IP block revision register offset (from module base addr)
* @sysc_offs: OCP_SYSCONFIG register offset (from module base addr)
* @syss_offs: OCP_SYSSTATUS register offset (from module base addr)
@@ -252,14 +282,22 @@ struct omap_hwmod_ocp_if {
* been associated with the clocks marked in @clockact. This field is
* only used if HWMOD_SET_DEFAULT_CLOCKACT is set (see below)
*
+ * @sysc_fields: structure containing the offset positions of various bits in
+ * SYSCONFIG register. This can be populated using omap_hwmod_sysc_type1 or
+ * omap_hwmod_sysc_type2 defined in omap_hwmod_common_data.c depending on
+ * whether the device ip is compliant with the original PRCM protocol
+ * defined for OMAP2420 or the new PRCM protocol for new OMAP4 IPs.
+ * If the device follows a different scheme for the sysconfig register ,
+ * then this field has to be populated with the correct offset structure.
*/
-struct omap_hwmod_sysconfig {
+struct omap_hwmod_class_sysconfig {
u16 rev_offs;
u16 sysc_offs;
u16 syss_offs;
u8 idlemodes;
u8 sysc_flags;
u8 clockact;
+ struct omap_hwmod_sysc_fields *sysc_fields;
};
/**
@@ -352,19 +390,33 @@ struct omap_hwmod_omap4_prcm {
#define _HWMOD_STATE_DISABLED 6
/**
+ * struct omap_hwmod_class - the type of an IP block
+ * @name: name of the hwmod_class
+ * @sysc: device SYSCONFIG/SYSSTATUS register data
+ * @rev: revision of the IP class
+ *
+ * Represent the class of a OMAP hardware "modules" (e.g. timer,
+ * smartreflex, gpio, uart...)
+ */
+struct omap_hwmod_class {
+ const char *name;
+ struct omap_hwmod_class_sysconfig *sysc;
+ u32 rev;
+};
+
+/**
* struct omap_hwmod - integration data for OMAP hardware "modules" (IP blocks)
* @name: name of the hwmod
+ * @class: struct omap_hwmod_class * to the class of this hwmod
* @od: struct omap_device currently associated with this hwmod (internal use)
* @mpu_irqs: ptr to an array of MPU IRQs (see also mpu_irqs_cnt)
* @sdma_chs: ptr to an array of SDMA channel IDs (see also sdma_chs_cnt)
* @prcm: PRCM data pertaining to this hwmod
- * @clkdev_dev_id: main clock: clkdev dev_id string
- * @clkdev_con_id: main clock: clkdev con_id string
+ * @main_clk: main clock: OMAP clock name
* @_clk: pointer to the main struct clk (filled in at runtime)
* @opt_clks: other device clocks that drivers can request (0..*)
* @masters: ptr to array of OCP ifs that this hwmod can initiate on
* @slaves: ptr to array of OCP ifs that this hwmod can respond on
- * @sysconfig: device SYSCONFIG/SYSSTATUS register data
* @dev_attr: arbitrary device attributes that can be passed to the driver
* @_sysc_cache: internal-use hwmod flags
* @_rt_va: cached register target start address (internal use)
@@ -383,16 +435,17 @@ struct omap_hwmod_omap4_prcm {
* @omap_chip: OMAP chips this hwmod is present on
* @node: list node for hwmod list (internal use)
*
- * @clkdev_dev_id, @clkdev_con_id, and @clk all refer to this module's "main
- * clock," which for our purposes is defined as "the functional clock needed
- * for register accesses to complete." Modules may not have a main clock if
- * the interface clock also serves as a main clock.
+ * @main_clk refers to this module's "main clock," which for our
+ * purposes is defined as "the functional clock needed for register
+ * accesses to complete." Modules may not have a main clock if the
+ * interface clock also serves as a main clock.
*
* Parameter names beginning with an underscore are managed internally by
* the omap_hwmod code and should not be set during initialization.
*/
struct omap_hwmod {
const char *name;
+ struct omap_hwmod_class *class;
struct omap_device *od;
struct omap_hwmod_irq_info *mpu_irqs;
struct omap_hwmod_dma_info *sdma_chs;
@@ -400,13 +453,11 @@ struct omap_hwmod {
struct omap_hwmod_omap2_prcm omap2;
struct omap_hwmod_omap4_prcm omap4;
} prcm;
- const char *clkdev_dev_id;
- const char *clkdev_con_id;
+ const char *main_clk;
struct clk *_clk;
struct omap_hwmod_opt_clk *opt_clks;
struct omap_hwmod_ocp_if **masters; /* connect to *_IA */
struct omap_hwmod_ocp_if **slaves; /* connect to *_TA */
- struct omap_hwmod_sysconfig *sysconfig;
void *dev_attr;
u32 _sysc_cache;
void __iomem *_rt_va;
@@ -467,4 +518,17 @@ int omap_hwmod_set_clockact_none(struct omap_hwmod *oh);
int omap_hwmod_enable_wakeup(struct omap_hwmod *oh);
int omap_hwmod_disable_wakeup(struct omap_hwmod *oh);
+int omap_hwmod_for_each_by_class(const char *classname,
+ int (*fn)(struct omap_hwmod *oh,
+ void *user),
+ void *user);
+
+/*
+ * Chip variant-specific hwmod init routines - XXX should be converted
+ * to use initcalls once the initial boot ordering is straightened out
+ */
+extern int omap2420_hwmod_init(void);
+extern int omap2430_hwmod_init(void);
+extern int omap3xxx_hwmod_init(void);
+
#endif
diff --git a/arch/arm/plat-omap/include/plat/powerdomain.h b/arch/arm/plat-omap/include/plat/powerdomain.h
index e15c7e9da975..d82b2c00d4f1 100644
--- a/arch/arm/plat-omap/include/plat/powerdomain.h
+++ b/arch/arm/plat-omap/include/plat/powerdomain.h
@@ -100,6 +100,8 @@ struct powerdomain {
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;
@@ -137,8 +139,10 @@ 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);
diff --git a/arch/arm/plat-omap/include/plat/prcm.h b/arch/arm/plat-omap/include/plat/prcm.h
index 66938a9f8dae..d6a0e27d5a7f 100644
--- a/arch/arm/plat-omap/include/plat/prcm.h
+++ b/arch/arm/plat-omap/include/plat/prcm.h
@@ -25,7 +25,8 @@
u32 omap_prcm_get_reset_sources(void);
void omap_prcm_arch_reset(char mode);
-int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, const char *name);
+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
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index 5195dbb1a397..590435894848 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -90,6 +90,8 @@
#define IGNORE_WAKEUP_LAT 1
+#define OMAP_DEVICE_MAGIC 0xf00dcafe
+
/* Private functions */
/**
@@ -305,6 +307,7 @@ int omap_device_fill_resources(struct omap_device *od, struct resource *res)
* @pdata_len: amount of memory pointed to by @pdata
* @pm_lats: pointer to a omap_device_pm_latency array for this device
* @pm_lats_cnt: ARRAY_SIZE() of @pm_lats
+ * @is_early_device: should the device be registered as an early device or not
*
* Convenience function for building and registering a single
* omap_device record, which in turn builds and registers a
@@ -316,7 +319,7 @@ struct omap_device *omap_device_build(const char *pdev_name, int pdev_id,
struct omap_hwmod *oh, void *pdata,
int pdata_len,
struct omap_device_pm_latency *pm_lats,
- int pm_lats_cnt)
+ int pm_lats_cnt, int is_early_device)
{
struct omap_hwmod *ohs[] = { oh };
@@ -324,7 +327,8 @@ struct omap_device *omap_device_build(const char *pdev_name, int pdev_id,
return ERR_PTR(-EINVAL);
return omap_device_build_ss(pdev_name, pdev_id, ohs, 1, pdata,
- pdata_len, pm_lats, pm_lats_cnt);
+ pdata_len, pm_lats, pm_lats_cnt,
+ is_early_device);
}
/**
@@ -336,6 +340,7 @@ struct omap_device *omap_device_build(const char *pdev_name, int pdev_id,
* @pdata_len: amount of memory pointed to by @pdata
* @pm_lats: pointer to a omap_device_pm_latency array for this device
* @pm_lats_cnt: ARRAY_SIZE() of @pm_lats
+ * @is_early_device: should the device be registered as an early device or not
*
* Convenience function for building and registering an omap_device
* subsystem record. Subsystem records consist of multiple
@@ -347,7 +352,7 @@ struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
struct omap_hwmod **ohs, int oh_cnt,
void *pdata, int pdata_len,
struct omap_device_pm_latency *pm_lats,
- int pm_lats_cnt)
+ int pm_lats_cnt, int is_early_device)
{
int ret = -ENOMEM;
struct omap_device *od;
@@ -403,7 +408,13 @@ struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
od->pm_lats = pm_lats;
od->pm_lats_cnt = pm_lats_cnt;
- ret = omap_device_register(od);
+ od->magic = OMAP_DEVICE_MAGIC;
+
+ if (is_early_device)
+ ret = omap_early_device_register(od);
+ else
+ ret = omap_device_register(od);
+
if (ret)
goto odbs_exit4;
@@ -424,6 +435,24 @@ odbs_exit1:
}
/**
+ * omap_early_device_register - register an omap_device as an early platform
+ * device.
+ * @od: struct omap_device * to register
+ *
+ * Register the omap_device structure. This currently just calls
+ * platform_early_add_device() on the underlying platform_device.
+ * Returns 0 by default.
+ */
+int omap_early_device_register(struct omap_device *od)
+{
+ struct platform_device *devices[1];
+
+ devices[0] = &(od->pdev);
+ early_platform_add_devices(devices, 1);
+ return 0;
+}
+
+/**
* omap_device_register - register an omap_device with one omap_hwmod
* @od: struct omap_device * to register
*
@@ -462,8 +491,8 @@ int omap_device_enable(struct platform_device *pdev)
od = _find_by_pdev(pdev);
if (od->_state == OMAP_DEVICE_STATE_ENABLED) {
- WARN(1, "omap_device: %s.%d: omap_device_enable() called from "
- "invalid state\n", od->pdev.name, od->pdev.id);
+ WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n",
+ od->pdev.name, od->pdev.id, __func__, od->_state);
return -EINVAL;
}
@@ -501,8 +530,8 @@ int omap_device_idle(struct platform_device *pdev)
od = _find_by_pdev(pdev);
if (od->_state != OMAP_DEVICE_STATE_ENABLED) {
- WARN(1, "omap_device: %s.%d: omap_device_idle() called from "
- "invalid state\n", od->pdev.name, od->pdev.id);
+ WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n",
+ od->pdev.name, od->pdev.id, __func__, od->_state);
return -EINVAL;
}
@@ -534,8 +563,8 @@ int omap_device_shutdown(struct platform_device *pdev)
if (od->_state != OMAP_DEVICE_STATE_ENABLED &&
od->_state != OMAP_DEVICE_STATE_IDLE) {
- WARN(1, "omap_device: %s.%d: omap_device_shutdown() called "
- "from invalid state\n", od->pdev.name, od->pdev.id);
+ WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n",
+ od->pdev.name, od->pdev.id, __func__, od->_state);
return -EINVAL;
}
@@ -589,6 +618,18 @@ int omap_device_align_pm_lat(struct platform_device *pdev,
}
/**
+ * omap_device_is_valid - Check if pointer is a valid omap_device
+ * @od: struct omap_device *
+ *
+ * Return whether struct omap_device pointer @od points to a valid
+ * omap_device.
+ */
+bool omap_device_is_valid(struct omap_device *od)
+{
+ return (od && od->magic == OMAP_DEVICE_MAGIC);
+}
+
+/**
* omap_device_get_pwrdm - return the powerdomain * associated with @od
* @od: struct omap_device *
*