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-rw-r--r--arch/arm/plat-omap/Kconfig63
-rw-r--r--arch/arm/plat-omap/clock.c26
-rw-r--r--arch/arm/plat-omap/common.c2
-rw-r--r--arch/arm/plat-omap/include/plat/clkdev_omap.h41
-rw-r--r--arch/arm/plat-omap/include/plat/clock.h5
-rw-r--r--arch/arm/plat-omap/include/plat/common.h21
-rw-r--r--arch/arm/plat-omap/include/plat/omap44xx.h6
-rw-r--r--arch/arm/plat-omap/include/plat/omap_device.h8
-rw-r--r--arch/arm/plat-omap/include/plat/omap_hwmod.h26
-rw-r--r--arch/arm/plat-omap/include/plat/powerdomain.h17
-rw-r--r--arch/arm/plat-omap/omap_device.c18
11 files changed, 142 insertions, 91 deletions
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index f348ddfb0492..e2ea04a4c8a1 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -27,6 +27,7 @@ config ARCH_OMAP4
bool "TI OMAP4"
select CPU_V7
select ARM_GIC
+ select COMMON_CLKDEV
endchoice
@@ -42,28 +43,6 @@ config OMAP_DEBUG_LEDS
depends on OMAP_DEBUG_DEVICES
default y if LEDS || LEDS_OMAP_DEBUG
-config OMAP_DEBUG_POWERDOMAIN
- bool "Emit debug messages from powerdomain layer"
- depends on ARCH_OMAP2 || ARCH_OMAP3
- help
- Say Y here if you want to compile in powerdomain layer
- debugging messages for OMAP2/3. These messages can
- provide more detail as to why some powerdomain calls
- may be failing, and will also emit a descriptive message
- for every powerdomain register write. However, the
- extra detail costs some memory.
-
-config OMAP_DEBUG_CLOCKDOMAIN
- bool "Emit debug messages from clockdomain layer"
- depends on ARCH_OMAP2 || ARCH_OMAP3
- help
- Say Y here if you want to compile in clockdomain layer
- debugging messages for OMAP2/3. These messages can
- provide more detail as to why some clockdomain calls
- may be failing, and will also emit a descriptive message
- for every clockdomain register write. However, the
- extra detail costs some memory.
-
config OMAP_RESET_CLOCKS
bool "Reset unused clocks during boot"
depends on ARCH_OMAP
@@ -78,28 +57,28 @@ config OMAP_RESET_CLOCKS
config OMAP_MUX
bool "OMAP multiplexing support"
- depends on ARCH_OMAP
+ depends on ARCH_OMAP
default y
- help
- Pin multiplexing support for OMAP boards. If your bootloader
- sets the multiplexing correctly, say N. Otherwise, or if unsure,
- say Y.
+ help
+ Pin multiplexing support for OMAP boards. If your bootloader
+ sets the multiplexing correctly, say N. Otherwise, or if unsure,
+ say Y.
config OMAP_MUX_DEBUG
bool "Multiplexing debug output"
- depends on OMAP_MUX
- help
- Makes the multiplexing functions print out a lot of debug info.
- This is useful if you want to find out the correct values of the
- multiplexing registers.
+ depends on OMAP_MUX
+ help
+ Makes the multiplexing functions print out a lot of debug info.
+ This is useful if you want to find out the correct values of the
+ multiplexing registers.
config OMAP_MUX_WARNINGS
bool "Warn about pins the bootloader didn't set up"
- depends on OMAP_MUX
- default y
- help
+ depends on OMAP_MUX
+ default y
+ help
Choose Y here to warn whenever driver initialization logic needs
- to change the pin multiplexing setup. When there are no warnings
+ to change the pin multiplexing setup. When there are no warnings
printed, it's safe to deselect OMAP_MUX for your product.
config OMAP_MCBSP
@@ -125,7 +104,7 @@ config OMAP_IOMMU_DEBUG
tristate
choice
- prompt "System timer"
+ prompt "System timer"
default OMAP_MPU_TIMER
config OMAP_MPU_TIMER
@@ -148,11 +127,11 @@ config OMAP_32K_TIMER
endchoice
config OMAP_32K_TIMER_HZ
- int "Kernel internal timer frequency for 32KHz timer"
- range 32 1024
- depends on OMAP_32K_TIMER
- default "128"
- help
+ int "Kernel internal timer frequency for 32KHz timer"
+ range 32 1024
+ depends on OMAP_32K_TIMER
+ default "128"
+ help
Kernel internal timer frequency should be a divisor of 32768,
such as 64 or 128.
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 681bfc37ebb2..89cafc937249 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -40,36 +40,10 @@ static struct clk_functions *arch_clock;
* clock framework is not up , it is defined here to avoid rework in
* every driver. Also dummy prcm reset function is added */
-/* Dummy hooks only for OMAP4.For rest OMAPs, common clkdev is used */
-#if defined(CONFIG_ARCH_OMAP4)
-struct clk *clk_get(struct device *dev, const char *id)
-{
- return NULL;
-}
-EXPORT_SYMBOL(clk_get);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_put);
-
-void omap2_clk_prepare_for_reboot(void)
-{
-}
-EXPORT_SYMBOL(omap2_clk_prepare_for_reboot);
-
-void omap_prcm_arch_reset(char mode)
-{
-}
-EXPORT_SYMBOL(omap_prcm_arch_reset);
-#endif
int clk_enable(struct clk *clk)
{
unsigned long flags;
int ret = 0;
- if (cpu_is_omap44xx())
- /* OMAP4 clk framework not supported yet */
- return 0;
if (clk == NULL || IS_ERR(clk))
return -EINVAL;
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index cc050b3313bd..01ab1e56db1e 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -284,12 +284,14 @@ static struct omap_globals omap4_globals = {
.ctrl = OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE),
.prm = OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE),
.cm = OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
+ .cm2 = OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE),
};
void __init omap2_set_globals_443x(void)
{
omap2_set_globals_tap(&omap4_globals);
omap2_set_globals_control(&omap4_globals);
+ omap2_set_globals_prcm(&omap4_globals);
}
#endif
diff --git a/arch/arm/plat-omap/include/plat/clkdev_omap.h b/arch/arm/plat-omap/include/plat/clkdev_omap.h
new file mode 100644
index 000000000000..35b36caf5f91
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/clkdev_omap.h
@@ -0,0 +1,41 @@
+/*
+ * clkdev <-> OMAP integration
+ *
+ * Russell King <linux@arm.linux.org.uk>
+ *
+ */
+
+#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_PLAT_CLKDEV_OMAP_H
+#define __ARCH_ARM_PLAT_OMAP_INCLUDE_PLAT_CLKDEV_OMAP_H
+
+#include <asm/clkdev.h>
+
+struct omap_clk {
+ u16 cpu;
+ struct clk_lookup lk;
+};
+
+#define CLK(dev, con, ck, cp) \
+ { \
+ .cpu = cp, \
+ .lk = { \
+ .dev_id = dev, \
+ .con_id = con, \
+ .clk = ck, \
+ }, \
+ }
+
+
+#define CK_310 (1 << 0)
+#define CK_7XX (1 << 1)
+#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)
+
+#endif
+
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 4b8b0d65cbf2..309b6d1dccdb 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -13,6 +13,8 @@
#ifndef __ARCH_ARM_OMAP_CLOCK_H
#define __ARCH_ARM_OMAP_CLOCK_H
+#include <linux/list.h>
+
struct module;
struct clk;
struct clockdomain;
@@ -148,6 +150,8 @@ extern const struct clkops clkops_null;
#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 */
/* Clksel_rate flags */
@@ -156,6 +160,7 @@ 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_24XX (RATE_IN_242X | RATE_IN_243X)
diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h
index 064f1730f43b..2f816fe3ae86 100644
--- a/arch/arm/plat-omap/include/plat/common.h
+++ b/arch/arm/plat-omap/include/plat/common.h
@@ -58,6 +58,7 @@ struct omap_globals {
void __iomem *ctrl; /* System Control Module */
void __iomem *prm; /* Power and Reset Management */
void __iomem *cm; /* Clock Management */
+ void __iomem *cm2;
};
void omap2_set_globals_242x(void);
@@ -71,4 +72,24 @@ void omap2_set_globals_sdrc(struct omap_globals *);
void omap2_set_globals_control(struct omap_globals *);
void omap2_set_globals_prcm(struct omap_globals *);
+/**
+ * omap_test_timeout - busy-loop, testing a condition
+ * @cond: condition to test until it evaluates to true
+ * @timeout: maximum number of microseconds in the timeout
+ * @index: loop index (integer)
+ *
+ * Loop waiting for @cond to become true or until at least @timeout
+ * microseconds have passed. To use, define some integer @index in the
+ * calling code. After running, if @index == @timeout, then the loop has
+ * timed out.
+ */
+#define omap_test_timeout(cond, timeout, index) \
+({ \
+ for (index = 0; index < timeout; index++) { \
+ if (cond) \
+ break; \
+ udelay(1); \
+ } \
+})
+
#endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */
diff --git a/arch/arm/plat-omap/include/plat/omap44xx.h b/arch/arm/plat-omap/include/plat/omap44xx.h
index e52902a15c1a..ef870de43c29 100644
--- a/arch/arm/plat-omap/include/plat/omap44xx.h
+++ b/arch/arm/plat-omap/include/plat/omap44xx.h
@@ -26,8 +26,10 @@
#define OMAP44XX_EMIF2_BASE 0x4d000000
#define OMAP44XX_DMM_BASE 0x4e000000
#define OMAP4430_32KSYNCT_BASE 0x4a304000
-#define OMAP4430_CM_BASE 0x4a004000
-#define OMAP4430_PRM_BASE 0x48306000
+#define OMAP4430_CM1_BASE 0x4a004000
+#define OMAP4430_CM_BASE OMAP4430_CM1_BASE
+#define OMAP4430_CM2_BASE 0x4a008000
+#define OMAP4430_PRM_BASE 0x4a306000
#define OMAP44XX_GPMC_BASE 0x50000000
#define OMAP443X_SCM_BASE 0x4a002000
#define OMAP443X_CTRL_BASE OMAP443X_SCM_BASE
diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h
index 11a9773a4e7f..dc1fac1d805c 100644
--- a/arch/arm/plat-omap/include/plat/omap_device.h
+++ b/arch/arm/plat-omap/include/plat/omap_device.h
@@ -50,8 +50,8 @@
* @pm_lats: ptr to an omap_device_pm_latency table
* @pm_lats_cnt: ARRAY_SIZE() of what is passed to @pm_lats
* @pm_lat_level: array index of the last odpl entry executed - -1 if never
- * @dev_wakeup_lat: dev wakeup latency in microseconds
- * @_dev_wakeup_lat_limit: dev wakeup latency limit in usec - set by OMAP PM
+ * @dev_wakeup_lat: dev wakeup latency in nanoseconds
+ * @_dev_wakeup_lat_limit: dev wakeup latency limit in nsec - set by OMAP PM
* @_state: one of OMAP_DEVICE_STATE_* (see above)
* @flags: device flags
*
@@ -137,5 +137,7 @@ struct omap_device_pm_latency {
};
-#endif
+/* Get omap_device pointer from platform_device pointer */
+#define to_omap_device(x) container_of((x), struct omap_device, pdev)
+#endif
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index dbdd123eca16..007935a921ea 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -50,6 +50,8 @@ struct omap_device;
#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)
/* OCP SYSSTATUS bit shifts/masks */
#define SYSS_RESETDONE_SHIFT 0
@@ -62,7 +64,21 @@ struct omap_device;
/**
- * struct omap_hwmod_dma_info - MPU address space handled by the hwmod
+ * struct omap_hwmod_irq_info - MPU IRQs used by the hwmod
+ * @name: name of the IRQ channel (module local name)
+ * @irq_ch: IRQ channel ID
+ *
+ * @name should be something short, e.g., "tx" or "rx". It is for use
+ * by platform_get_resource_byname(). It is defined locally to the
+ * hwmod.
+ */
+struct omap_hwmod_irq_info {
+ const char *name;
+ u16 irq;
+};
+
+/**
+ * struct omap_hwmod_dma_info - DMA channels used by the hwmod
* @name: name of the DMA channel (module local name)
* @dma_ch: DMA channel ID
*
@@ -294,13 +310,17 @@ struct omap_hwmod_omap4_prcm {
* SDRAM controller, etc.
* HWMOD_INIT_NO_IDLE: don't idle this module at boot - important for SDRAM
* controller, etc.
+ * 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
*/
#define HWMOD_SWSUP_SIDLE (1 << 0)
#define HWMOD_SWSUP_MSTANDBY (1 << 1)
#define HWMOD_INIT_NO_RESET (1 << 2)
#define HWMOD_INIT_NO_IDLE (1 << 3)
-#define HWMOD_SET_DEFAULT_CLOCKACT (1 << 4)
+#define HWMOD_NO_OCP_AUTOIDLE (1 << 4)
+#define HWMOD_SET_DEFAULT_CLOCKACT (1 << 5)
/*
* omap_hwmod._int_flags definitions
@@ -373,7 +393,7 @@ struct omap_hwmod_omap4_prcm {
struct omap_hwmod {
const char *name;
struct omap_device *od;
- u8 *mpu_irqs;
+ struct omap_hwmod_irq_info *mpu_irqs;
struct omap_hwmod_dma_info *sdma_chs;
union {
struct omap_hwmod_omap2_prcm omap2;
diff --git a/arch/arm/plat-omap/include/plat/powerdomain.h b/arch/arm/plat-omap/include/plat/powerdomain.h
index 3d45ee1d3cf4..0b960051eaed 100644
--- a/arch/arm/plat-omap/include/plat/powerdomain.h
+++ b/arch/arm/plat-omap/include/plat/powerdomain.h
@@ -28,6 +28,8 @@
#define PWRDM_POWER_INACTIVE 0x2
#define PWRDM_POWER_ON 0x3
+#define PWRDM_MAX_PWRSTS 4
+
/* Powerdomain allowable state bitfields */
#define PWRSTS_OFF_ON ((1 << PWRDM_POWER_OFF) | \
(1 << PWRDM_POWER_ON))
@@ -40,7 +42,10 @@
/* 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
+ */
/*
* Number of memory banks that are power-controllable. On OMAP3430, the
@@ -85,15 +90,15 @@ struct powerdomain {
/* Used to represent the OMAP chip types containing this pwrdm */
const struct omap_chip_id omap_chip;
- /* Bit shift of this powerdomain's PM_WKDEP/CM_SLEEPDEP bit */
- const u8 dep_bit;
-
/* 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 u8 pwrsts;
@@ -118,11 +123,11 @@ struct powerdomain {
struct list_head node;
int state;
- unsigned state_counter[4];
+ unsigned state_counter[PWRDM_MAX_PWRSTS];
#ifdef CONFIG_PM_DEBUG
s64 timer;
- s64 state_timer[4];
+ s64 state_timer[PWRDM_MAX_PWRSTS];
#endif
};
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index bb16e624a557..1e5648d3e3d8 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -134,18 +134,18 @@ static int _omap_device_activate(struct omap_device *od, u8 ignore_lat)
(od->dev_wakeup_lat <= od->_dev_wakeup_lat_limit))
break;
- getnstimeofday(&a);
+ read_persistent_clock(&a);
/* XXX check return code */
odpl->activate_func(od);
- getnstimeofday(&b);
+ read_persistent_clock(&b);
c = timespec_sub(b, a);
- act_lat = timespec_to_ns(&c) * NSEC_PER_USEC;
+ act_lat = timespec_to_ns(&c);
pr_debug("omap_device: %s: pm_lat %d: activate: elapsed time "
- "%llu usec\n", od->pdev.name, od->pm_lat_level,
+ "%llu nsec\n", od->pdev.name, od->pm_lat_level,
act_lat);
WARN(act_lat > odpl->activate_lat, "omap_device: %s.%d: "
@@ -190,18 +190,18 @@ static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat)
od->_dev_wakeup_lat_limit))
break;
- getnstimeofday(&a);
+ read_persistent_clock(&a);
/* XXX check return code */
odpl->deactivate_func(od);
- getnstimeofday(&b);
+ read_persistent_clock(&b);
c = timespec_sub(b, a);
- deact_lat = timespec_to_ns(&c) * NSEC_PER_USEC;
+ deact_lat = timespec_to_ns(&c);
pr_debug("omap_device: %s: pm_lat %d: deactivate: elapsed time "
- "%llu usec\n", od->pdev.name, od->pm_lat_level,
+ "%llu nsec\n", od->pdev.name, od->pm_lat_level,
deact_lat);
WARN(deact_lat > odpl->deactivate_lat, "omap_device: %s.%d: "
@@ -459,7 +459,7 @@ int omap_device_enable(struct platform_device *pdev)
ret = _omap_device_activate(od, IGNORE_WAKEUP_LAT);
od->dev_wakeup_lat = 0;
- od->_dev_wakeup_lat_limit = INT_MAX;
+ od->_dev_wakeup_lat_limit = UINT_MAX;
od->_state = OMAP_DEVICE_STATE_ENABLED;
return ret;
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-27 13:28:24 +0000