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-rw-r--r--arch/arm/mach-omap2/Kconfig1
-rw-r--r--arch/arm/mach-omap2/clock.c111
-rw-r--r--arch/arm/mach-omap2/clock.h8
-rw-r--r--arch/arm/mach-omap2/cm.h2
-rw-r--r--arch/arm/mach-omap2/cm2xxx.c2
-rw-r--r--arch/arm/mach-omap2/cm2xxx.h2
-rw-r--r--arch/arm/mach-omap2/cm33xx.c2
-rw-r--r--arch/arm/mach-omap2/cm33xx.h3
-rw-r--r--arch/arm/mach-omap2/cm3xxx.c3
-rw-r--r--arch/arm/mach-omap2/cm3xxx.h2
-rw-r--r--arch/arm/mach-omap2/cm44xx.h3
-rw-r--r--arch/arm/mach-omap2/cm_common.c156
-rw-r--r--arch/arm/mach-omap2/cminst44xx.c6
-rw-r--r--arch/arm/mach-omap2/control.c201
-rw-r--r--arch/arm/mach-omap2/control.h10
-rw-r--r--arch/arm/mach-omap2/display.c15
-rw-r--r--arch/arm/mach-omap2/id.c5
-rw-r--r--arch/arm/mach-omap2/io.c112
-rw-r--r--arch/arm/mach-omap2/pm24xx.c24
-rw-r--r--arch/arm/mach-omap2/pm34xx.c18
-rw-r--r--arch/arm/mach-omap2/prcm-common.h20
-rw-r--r--arch/arm/mach-omap2/prm.h27
-rw-r--r--arch/arm/mach-omap2/prm2xxx.c6
-rw-r--r--arch/arm/mach-omap2/prm2xxx.h4
-rw-r--r--arch/arm/mach-omap2/prm33xx.c2
-rw-r--r--arch/arm/mach-omap2/prm33xx.h2
-rw-r--r--arch/arm/mach-omap2/prm3xxx.c20
-rw-r--r--arch/arm/mach-omap2/prm3xxx.h7
-rw-r--r--arch/arm/mach-omap2/prm44xx.c70
-rw-r--r--arch/arm/mach-omap2/prm44xx.h1
-rw-r--r--arch/arm/mach-omap2/prm44xx_54xx.h8
-rw-r--r--arch/arm/mach-omap2/prm54xx.h1
-rw-r--r--arch/arm/mach-omap2/prm7xx.h2
-rw-r--r--arch/arm/mach-omap2/prm_common.c258
-rw-r--r--arch/arm/mach-omap2/prminst44xx.c18
-rw-r--r--arch/arm/mach-omap2/prminst44xx.h1
-rw-r--r--arch/arm/mach-omap2/vp.h9
-rw-r--r--arch/arm/mach-omap2/vp3xxx_data.c4
-rw-r--r--arch/arm/mach-omap2/vp44xx_data.c4
39 files changed, 839 insertions, 311 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 3e4b4ae8c75b..6468f15f060c 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -81,6 +81,7 @@ config ARCH_OMAP2PLUS
select GENERIC_IRQ_CHIP
select MACH_OMAP_GENERIC
select MEMORY
+ select MFD_SYSCON
select OMAP_DM_TIMER
select OMAP_GPMC
select PINCTRL
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 6124db5c37ae..a699d7169307 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -23,6 +23,9 @@
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/bitops.h>
+#include <linux/regmap.h>
+#include <linux/of_address.h>
+#include <linux/bootmem.h>
#include <asm/cpu.h>
#include <trace/events/power.h>
@@ -72,30 +75,110 @@ struct ti_clk_features ti_clk_features;
static bool clkdm_control = true;
static LIST_HEAD(clk_hw_omap_clocks);
-void __iomem *clk_memmaps[CLK_MAX_MEMMAPS];
+
+struct clk_iomap {
+ struct regmap *regmap;
+ void __iomem *mem;
+};
+
+static struct clk_iomap *clk_memmaps[CLK_MAX_MEMMAPS];
+
+static void clk_memmap_writel(u32 val, void __iomem *reg)
+{
+ struct clk_omap_reg *r = (struct clk_omap_reg *)&reg;
+ struct clk_iomap *io = clk_memmaps[r->index];
+
+ if (io->regmap)
+ regmap_write(io->regmap, r->offset, val);
+ else
+ writel_relaxed(val, io->mem + r->offset);
+}
+
+static u32 clk_memmap_readl(void __iomem *reg)
+{
+ u32 val;
+ struct clk_omap_reg *r = (struct clk_omap_reg *)&reg;
+ struct clk_iomap *io = clk_memmaps[r->index];
+
+ if (io->regmap)
+ regmap_read(io->regmap, r->offset, &val);
+ else
+ val = readl_relaxed(io->mem + r->offset);
+
+ return val;
+}
void omap2_clk_writel(u32 val, struct clk_hw_omap *clk, void __iomem *reg)
{
- if (clk->flags & MEMMAP_ADDRESSING) {
- struct clk_omap_reg *r = (struct clk_omap_reg *)&reg;
- writel_relaxed(val, clk_memmaps[r->index] + r->offset);
- } else {
+ if (WARN_ON_ONCE(!(clk->flags & MEMMAP_ADDRESSING)))
writel_relaxed(val, reg);
- }
+ else
+ clk_memmap_writel(val, reg);
}
u32 omap2_clk_readl(struct clk_hw_omap *clk, void __iomem *reg)
{
- u32 val;
+ if (WARN_ON_ONCE(!(clk->flags & MEMMAP_ADDRESSING)))
+ return readl_relaxed(reg);
+ else
+ return clk_memmap_readl(reg);
+}
- if (clk->flags & MEMMAP_ADDRESSING) {
- struct clk_omap_reg *r = (struct clk_omap_reg *)&reg;
- val = readl_relaxed(clk_memmaps[r->index] + r->offset);
- } else {
- val = readl_relaxed(reg);
- }
+static struct ti_clk_ll_ops omap_clk_ll_ops = {
+ .clk_readl = clk_memmap_readl,
+ .clk_writel = clk_memmap_writel,
+};
- return val;
+/**
+ * omap2_clk_provider_init - initialize a clock provider
+ * @match_table: DT device table to match for devices to init
+ * @np: device node pointer for the this clock provider
+ * @index: index for the clock provider
+ + @syscon: syscon regmap pointer
+ * @mem: iomem pointer for the clock provider memory area, only used if
+ * syscon is not provided
+ *
+ * Initializes a clock provider module (CM/PRM etc.), registering
+ * the memory mapping at specified index and initializing the
+ * low level driver infrastructure. Returns 0 in success.
+ */
+int __init omap2_clk_provider_init(struct device_node *np, int index,
+ struct regmap *syscon, void __iomem *mem)
+{
+ struct clk_iomap *io;
+
+ ti_clk_ll_ops = &omap_clk_ll_ops;
+
+ io = kzalloc(sizeof(*io), GFP_KERNEL);
+
+ io->regmap = syscon;
+ io->mem = mem;
+
+ clk_memmaps[index] = io;
+
+ ti_dt_clk_init_provider(np, index);
+
+ return 0;
+}
+
+/**
+ * omap2_clk_legacy_provider_init - initialize a legacy clock provider
+ * @index: index for the clock provider
+ * @mem: iomem pointer for the clock provider memory area
+ *
+ * Initializes a legacy clock provider memory mapping.
+ */
+void __init omap2_clk_legacy_provider_init(int index, void __iomem *mem)
+{
+ struct clk_iomap *io;
+
+ ti_clk_ll_ops = &omap_clk_ll_ops;
+
+ io = memblock_virt_alloc(sizeof(*io), 0);
+
+ io->mem = mem;
+
+ clk_memmaps[index] = io;
}
/*
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index a56742f96000..652ed0ab86ec 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -271,10 +271,14 @@ extern const struct clksel_rate div_1_3_rates[];
extern const struct clksel_rate div_1_4_rates[];
extern const struct clksel_rate div31_1to31_rates[];
-extern void __iomem *clk_memmaps[];
-
extern int omap2_clkops_enable_clkdm(struct clk_hw *hw);
extern void omap2_clkops_disable_clkdm(struct clk_hw *hw);
+struct regmap;
+
+int __init omap2_clk_provider_init(struct device_node *np, int index,
+ struct regmap *syscon, void __iomem *mem);
+void __init omap2_clk_legacy_provider_init(int index, void __iomem *mem);
+
void __init ti_clk_init_features(void);
#endif
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index 6222e87a79b6..1fe3e6b833d2 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -70,6 +70,8 @@ int omap_cm_module_enable(u8 mode, u8 part, u16 inst, u16 clkctrl_offs);
int omap_cm_module_disable(u8 part, u16 inst, u16 clkctrl_offs);
extern int cm_register(struct cm_ll_data *cld);
extern int cm_unregister(struct cm_ll_data *cld);
+int omap_cm_init(void);
+int omap2_cm_base_init(void);
# endif
diff --git a/arch/arm/mach-omap2/cm2xxx.c b/arch/arm/mach-omap2/cm2xxx.c
index ef62ac9dcd05..3e5fd3587eb1 100644
--- a/arch/arm/mach-omap2/cm2xxx.c
+++ b/arch/arm/mach-omap2/cm2xxx.c
@@ -393,7 +393,7 @@ static struct cm_ll_data omap2xxx_cm_ll_data = {
.wait_module_ready = &omap2xxx_cm_wait_module_ready,
};
-int __init omap2xxx_cm_init(void)
+int __init omap2xxx_cm_init(const struct omap_prcm_init_data *data)
{
return cm_register(&omap2xxx_cm_ll_data);
}
diff --git a/arch/arm/mach-omap2/cm2xxx.h b/arch/arm/mach-omap2/cm2xxx.h
index 83b6c597b0e1..7b8c79c0ce27 100644
--- a/arch/arm/mach-omap2/cm2xxx.h
+++ b/arch/arm/mach-omap2/cm2xxx.h
@@ -63,7 +63,7 @@ extern u32 omap2xxx_cm_get_core_pll_config(void);
extern void omap2xxx_cm_set_mod_dividers(u32 mpu, u32 dsp, u32 gfx, u32 core,
u32 mdm);
-extern int __init omap2xxx_cm_init(void);
+int __init omap2xxx_cm_init(const struct omap_prcm_init_data *data);
#endif
diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c
index cc5aac784278..7b181f929525 100644
--- a/arch/arm/mach-omap2/cm33xx.c
+++ b/arch/arm/mach-omap2/cm33xx.c
@@ -352,7 +352,7 @@ static struct cm_ll_data am33xx_cm_ll_data = {
.module_disable = &am33xx_cm_module_disable,
};
-int __init am33xx_cm_init(void)
+int __init am33xx_cm_init(const struct omap_prcm_init_data *data)
{
return cm_register(&am33xx_cm_ll_data);
}
diff --git a/arch/arm/mach-omap2/cm33xx.h b/arch/arm/mach-omap2/cm33xx.h
index 046b4b2bc9d9..a91f7d282455 100644
--- a/arch/arm/mach-omap2/cm33xx.h
+++ b/arch/arm/mach-omap2/cm33xx.h
@@ -19,6 +19,7 @@
#include "cm.h"
#include "cm-regbits-33xx.h"
+#include "prcm-common.h"
/* CM base address */
#define AM33XX_CM_BASE 0x44e00000
@@ -374,6 +375,6 @@
#ifndef __ASSEMBLER__
-int am33xx_cm_init(void);
+int am33xx_cm_init(const struct omap_prcm_init_data *data);
#endif /* ASSEMBLER */
#endif
diff --git a/arch/arm/mach-omap2/cm3xxx.c b/arch/arm/mach-omap2/cm3xxx.c
index ebead8f035f9..187fa4386718 100644
--- a/arch/arm/mach-omap2/cm3xxx.c
+++ b/arch/arm/mach-omap2/cm3xxx.c
@@ -671,8 +671,9 @@ static struct cm_ll_data omap3xxx_cm_ll_data = {
.wait_module_ready = &omap3xxx_cm_wait_module_ready,
};
-int __init omap3xxx_cm_init(void)
+int __init omap3xxx_cm_init(const struct omap_prcm_init_data *data)
{
+ omap2_clk_legacy_provider_init(TI_CLKM_CM, cm_base + OMAP3430_IVA2_MOD);
return cm_register(&omap3xxx_cm_ll_data);
}
diff --git a/arch/arm/mach-omap2/cm3xxx.h b/arch/arm/mach-omap2/cm3xxx.h
index 734a8581c0c4..bc444e2080a1 100644
--- a/arch/arm/mach-omap2/cm3xxx.h
+++ b/arch/arm/mach-omap2/cm3xxx.h
@@ -72,7 +72,7 @@ extern void omap3_cm_save_context(void);
extern void omap3_cm_restore_context(void);
extern void omap3_cm_save_scratchpad_contents(u32 *ptr);
-extern int __init omap3xxx_cm_init(void);
+int __init omap3xxx_cm_init(const struct omap_prcm_init_data *data);
#endif
diff --git a/arch/arm/mach-omap2/cm44xx.h b/arch/arm/mach-omap2/cm44xx.h
index 728d06a4af19..309a4c913448 100644
--- a/arch/arm/mach-omap2/cm44xx.h
+++ b/arch/arm/mach-omap2/cm44xx.h
@@ -23,7 +23,6 @@
#define OMAP4_CM_CLKSTCTRL 0x0000
#define OMAP4_CM_STATICDEP 0x0004
-void omap_cm_base_init(void);
-int omap4_cm_init(void);
+int omap4_cm_init(const struct omap_prcm_init_data *data);
#endif
diff --git a/arch/arm/mach-omap2/cm_common.c b/arch/arm/mach-omap2/cm_common.c
index 8fe02fcedc48..23e8bcec34e3 100644
--- a/arch/arm/mach-omap2/cm_common.c
+++ b/arch/arm/mach-omap2/cm_common.c
@@ -15,10 +15,14 @@
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/bug.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
#include "cm2xxx.h"
#include "cm3xxx.h"
+#include "cm33xx.h"
#include "cm44xx.h"
+#include "clock.h"
/*
* cm_ll_data: function pointers to SoC-specific implementations of
@@ -33,6 +37,9 @@ void __iomem *cm_base;
/* cm2_base: base virtual address of the CM2 IP block (OMAP44xx only) */
void __iomem *cm2_base;
+#define CM_NO_CLOCKS 0x1
+#define CM_SINGLE_INSTANCE 0x2
+
/**
* omap2_set_globals_cm - set the CM/CM2 base addresses (for early use)
* @cm: CM base virtual address
@@ -212,3 +219,152 @@ int cm_unregister(struct cm_ll_data *cld)
return 0;
}
+
+#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
+ defined(CONFIG_SOC_DRA7XX)
+static struct omap_prcm_init_data cm_data __initdata = {
+ .index = TI_CLKM_CM,
+ .init = omap4_cm_init,
+};
+
+static struct omap_prcm_init_data cm2_data __initdata = {
+ .index = TI_CLKM_CM2,
+ .init = omap4_cm_init,
+};
+#endif
+
+#ifdef CONFIG_ARCH_OMAP2
+static struct omap_prcm_init_data omap2_prcm_data __initdata = {
+ .index = TI_CLKM_CM,
+ .init = omap2xxx_cm_init,
+ .flags = CM_NO_CLOCKS | CM_SINGLE_INSTANCE,
+};
+#endif
+
+#ifdef CONFIG_ARCH_OMAP3
+static struct omap_prcm_init_data omap3_cm_data __initdata = {
+ .index = TI_CLKM_CM,
+ .init = omap3xxx_cm_init,
+ .flags = CM_SINGLE_INSTANCE,
+
+ /*
+ * IVA2 offset is a negative value, must offset the cm_base address
+ * by this to get it to positive side on the iomap
+ */
+ .offset = -OMAP3430_IVA2_MOD,
+};
+#endif
+
+#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_TI81XX)
+static struct omap_prcm_init_data am3_prcm_data __initdata = {
+ .index = TI_CLKM_CM,
+ .flags = CM_NO_CLOCKS | CM_SINGLE_INSTANCE,
+ .init = am33xx_cm_init,
+};
+#endif
+
+#ifdef CONFIG_SOC_AM43XX
+static struct omap_prcm_init_data am4_prcm_data __initdata = {
+ .index = TI_CLKM_CM,
+ .flags = CM_NO_CLOCKS | CM_SINGLE_INSTANCE,
+ .init = omap4_cm_init,
+};
+#endif
+
+static const struct of_device_id omap_cm_dt_match_table[] __initconst = {
+#ifdef CONFIG_ARCH_OMAP2
+ { .compatible = "ti,omap2-prcm", .data = &omap2_prcm_data },
+#endif
+#ifdef CONFIG_ARCH_OMAP3
+ { .compatible = "ti,omap3-cm", .data = &omap3_cm_data },
+#endif
+#ifdef CONFIG_ARCH_OMAP4
+ { .compatible = "ti,omap4-cm1", .data = &cm_data },
+ { .compatible = "ti,omap4-cm2", .data = &cm2_data },
+#endif
+#ifdef CONFIG_SOC_OMAP5
+ { .compatible = "ti,omap5-cm-core-aon", .data = &cm_data },
+ { .compatible = "ti,omap5-cm-core", .data = &cm2_data },
+#endif
+#ifdef CONFIG_SOC_DRA7XX
+ { .compatible = "ti,dra7-cm-core-aon", .data = &cm_data },
+ { .compatible = "ti,dra7-cm-core", .data = &cm2_data },
+#endif
+#ifdef CONFIG_SOC_AM33XX
+ { .compatible = "ti,am3-prcm", .data = &am3_prcm_data },
+#endif
+#ifdef CONFIG_SOC_AM43XX
+ { .compatible = "ti,am4-prcm", .data = &am4_prcm_data },
+#endif
+#ifdef CONFIG_SOC_TI81XX
+ { .compatible = "ti,dm814-prcm", .data = &am3_prcm_data },
+ { .compatible = "ti,dm816-prcm", .data = &am3_prcm_data },
+#endif
+ { }
+};
+
+/**
+ * omap2_cm_base_init - initialize iomappings for the CM drivers
+ *
+ * Detects and initializes the iomappings for the CM driver, based
+ * on the DT data. Returns 0 in success, negative error value
+ * otherwise.
+ */
+int __init omap2_cm_base_init(void)
+{
+ struct device_node *np;
+ const struct of_device_id *match;
+ struct omap_prcm_init_data *data;
+ void __iomem *mem;
+
+ for_each_matching_node_and_match(np, omap_cm_dt_match_table, &match) {
+ data = (struct omap_prcm_init_data *)match->data;
+
+ mem = of_iomap(np, 0);
+ if (!mem)
+ return -ENOMEM;
+
+ if (data->index == TI_CLKM_CM)
+ cm_base = mem + data->offset;
+
+ if (data->index == TI_CLKM_CM2)
+ cm2_base = mem + data->offset;
+
+ data->mem = mem;
+
+ data->np = np;
+
+ if (data->init && (data->flags & CM_SINGLE_INSTANCE ||
+ (cm_base && cm2_base)))
+ data->init(data);
+ }
+
+ return 0;
+}
+
+/**
+ * omap_cm_init - low level init for the CM drivers
+ *
+ * Initializes the low level clock infrastructure for CM drivers.
+ * Returns 0 in success, negative error value in failure.
+ */
+int __init omap_cm_init(void)
+{
+ struct device_node *np;
+ const struct of_device_id *match;
+ const struct omap_prcm_init_data *data;
+ int ret;
+
+ for_each_matching_node_and_match(np, omap_cm_dt_match_table, &match) {
+ data = match->data;
+
+ if (data->flags & CM_NO_CLOCKS)
+ continue;
+
+ ret = omap2_clk_provider_init(np, data->index, NULL, data->mem);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c
index 95a8cff66aff..2c0e07ed6b99 100644
--- a/arch/arm/mach-omap2/cminst44xx.c
+++ b/arch/arm/mach-omap2/cminst44xx.c
@@ -63,7 +63,7 @@ static void __iomem *_cm_bases[OMAP4_MAX_PRCM_PARTITIONS];
* Populates the base addresses of the _cm_bases
* array used for read/write of cm module registers.
*/
-void omap_cm_base_init(void)
+static void omap_cm_base_init(void)
{
_cm_bases[OMAP4430_PRM_PARTITION] = prm_base;
_cm_bases[OMAP4430_CM1_PARTITION] = cm_base;
@@ -514,8 +514,10 @@ static struct cm_ll_data omap4xxx_cm_ll_data = {
.module_disable = &omap4_cminst_module_disable,
};
-int __init omap4_cm_init(void)
+int __init omap4_cm_init(const struct omap_prcm_init_data *data)
{
+ omap_cm_base_init();
+
return cm_register(&omap4xxx_cm_ll_data);
}
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c
index da041b4ab29c..af95a624fe71 100644
--- a/arch/arm/mach-omap2/control.c
+++ b/arch/arm/mach-omap2/control.c
@@ -14,6 +14,9 @@
#include <linux/kernel.h>
#include <linux/io.h>
+#include <linux/of_address.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
#include "soc.h"
#include "iomap.h"
@@ -25,13 +28,15 @@
#include "sdrc.h"
#include "pm.h"
#include "control.h"
+#include "clock.h"
/* Used by omap3_ctrl_save_padconf() */
#define START_PADCONF_SAVE 0x2
#define PADCONF_SAVE_DONE 0x1
static void __iomem *omap2_ctrl_base;
-static void __iomem *omap4_ctrl_pad_base;
+static s16 omap2_ctrl_offset;
+static struct regmap *omap2_ctrl_syscon;
#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
struct omap3_scratchpad {
@@ -133,66 +138,79 @@ struct omap3_control_regs {
static struct omap3_control_regs control_context;
#endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */
-#define OMAP_CTRL_REGADDR(reg) (omap2_ctrl_base + (reg))
-#define OMAP4_CTRL_PAD_REGADDR(reg) (omap4_ctrl_pad_base + (reg))
-
-void __init omap2_set_globals_control(void __iomem *ctrl,
- void __iomem *ctrl_pad)
+void __init omap2_set_globals_control(void __iomem *ctrl)
{
omap2_ctrl_base = ctrl;
- omap4_ctrl_pad_base = ctrl_pad;
-}
-
-void __iomem *omap_ctrl_base_get(void)
-{
- return omap2_ctrl_base;
}
u8 omap_ctrl_readb(u16 offset)
{
- return readb_relaxed(OMAP_CTRL_REGADDR(offset));
+ u32 val;
+ u8 byte_offset = offset & 0x3;
+
+ val = omap_ctrl_readl(offset);
+
+ return (val >> (byte_offset * 8)) & 0xff;
}
u16 omap_ctrl_readw(u16 offset)
{
- return readw_relaxed(OMAP_CTRL_REGADDR(offset));
+ u32 val;
+ u16 byte_offset = offset & 0x2;
+
+ val = omap_ctrl_readl(offset);
+
+ return (val >> (byte_offset * 8)) & 0xffff;
}
u32 omap_ctrl_readl(u16 offset)
{
- return readl_relaxed(OMAP_CTRL_REGADDR(offset));
+ u32 val;
+
+ offset &= 0xfffc;
+ if (!omap2_ctrl_syscon)
+ val = readl_relaxed(omap2_ctrl_base + offset);
+ else
+ regmap_read(omap2_ctrl_syscon, omap2_ctrl_offset + offset,
+ &val);
+
+ return val;
}
void omap_ctrl_writeb(u8 val, u16 offset)
{
- writeb_relaxed(val, OMAP_CTRL_REGADDR(offset));
+ u32 tmp;
+ u8 byte_offset = offset & 0x3;
+
+ tmp = omap_ctrl_readl(offset);
+
+ tmp &= 0xffffffff ^ (0xff << (byte_offset * 8));
+ tmp |= val << (byte_offset * 8);
+
+ omap_ctrl_writel(tmp, offset);
}
void omap_ctrl_writew(u16 val, u16 offset)
{
- writew_relaxed(val, OMAP_CTRL_REGADDR(offset));
-}
+ u32 tmp;
+ u8 byte_offset = offset & 0x2;
-void omap_ctrl_writel(u32 val, u16 offset)
-{
- writel_relaxed(val, OMAP_CTRL_REGADDR(offset));
-}
+ tmp = omap_ctrl_readl(offset);
-/*
- * On OMAP4 control pad are not addressable from control
- * core base. So the common omap_ctrl_read/write APIs breaks
- * Hence export separate APIs to manage the omap4 pad control
- * registers. This APIs will work only for OMAP4
- */
+ tmp &= 0xffffffff ^ (0xffff << (byte_offset * 8));
+ tmp |= val << (byte_offset * 8);
-u32 omap4_ctrl_pad_readl(u16 offset)
-{
- return readl_relaxed(OMAP4_CTRL_PAD_REGADDR(offset));
+ omap_ctrl_writel(tmp, offset);
}
-void omap4_ctrl_pad_writel(u32 val, u16 offset)
+void omap_ctrl_writel(u32 val, u16 offset)
{
- writel_relaxed(val, OMAP4_CTRL_PAD_REGADDR(offset));
+ offset &= 0xfffc;
+ if (!omap2_ctrl_syscon)
+ writel_relaxed(val, omap2_ctrl_base + offset);
+ else
+ regmap_write(omap2_ctrl_syscon, omap2_ctrl_offset + offset,
+ val);
}
#ifdef CONFIG_ARCH_OMAP3
@@ -611,3 +629,120 @@ void __init omap3_ctrl_init(void)
omap3_ctrl_setup_d2d_padconf();
}
#endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */
+
+struct control_init_data {
+ int index;
+ s16 offset;
+};
+
+static struct control_init_data ctrl_data = {
+ .index = TI_CLKM_CTRL,
+};
+
+static const struct control_init_data omap2_ctrl_data = {
+ .index = TI_CLKM_CTRL,
+ .offset = -OMAP2_CONTROL_GENERAL,
+};
+
+static const struct of_device_id omap_scrm_dt_match_table[] = {
+ { .compatible = "ti,am3-scm", .data = &ctrl_data },
+ { .compatible = "ti,am4-scm", .data = &ctrl_data },
+ { .compatible = "ti,omap2-scm", .data = &omap2_ctrl_data },
+ { .compatible = "ti,omap3-scm", .data = &omap2_ctrl_data },
+ { .compatible = "ti,dm816-scrm", .data = &ctrl_data },
+ { .compatible = "ti,omap4-scm-core", .data = &ctrl_data },
+ { .compatible = "ti,omap5-scm-core", .data = &ctrl_data },
+ { .compatible = "ti,dra7-scm-core", .data = &ctrl_data },
+ { }
+};
+
+/**
+ * omap2_control_base_init - initialize iomappings for the control driver
+ *
+ * Detects and initializes the iomappings for the control driver, based
+ * on the DT data. Returns 0 in success, negative error value
+ * otherwise.
+ */
+int __init omap2_control_base_init(void)
+{
+ struct device_node *np;
+ const struct of_device_id *match;
+ struct control_init_data *data;
+
+ for_each_matching_node_and_match(np, omap_scrm_dt_match_table, &match) {
+ data = (struct control_init_data *)match->data;
+
+ omap2_ctrl_base = of_iomap(np, 0);
+ if (!omap2_ctrl_base)
+ return -ENOMEM;
+
+ omap2_ctrl_offset = data->offset;
+ }
+
+ return 0;
+}
+
+/**
+ * omap_control_init - low level init for the control driver
+ *
+ * Initializes the low level clock infrastructure for control driver.
+ * Returns 0 in success, negative error value in failure.
+ */
+int __init omap_control_init(void)
+{
+ struct device_node *np, *scm_conf;
+ const struct of_device_id *match;
+ const struct omap_prcm_init_data *data;
+ int ret;
+ struct regmap *syscon;
+
+ for_each_matching_node_and_match(np, omap_scrm_dt_match_table, &match) {
+ data = match->data;
+
+ /*
+ * Check if we have scm_conf node, if yes, use this to
+ * access clock registers.
+ */
+ scm_conf = of_get_child_by_name(np, "scm_conf");
+
+ if (scm_conf) {
+ syscon = syscon_node_to_regmap(scm_conf);
+
+ if (IS_ERR(syscon))
+ return PTR_ERR(syscon);
+
+ omap2_ctrl_syscon = syscon;
+
+ if (of_get_child_by_name(scm_conf, "clocks")) {
+ ret = omap2_clk_provider_init(scm_conf,
+ data->index,
+ syscon, NULL);
+ if (ret)
+ return ret;
+ }
+
+ iounmap(omap2_ctrl_base);
+ omap2_ctrl_base = NULL;
+ } else {
+ /* No scm_conf found, direct access */
+ ret = omap2_clk_provider_init(np, data->index, NULL,
+ omap2_ctrl_base);
+ if (ret)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * omap3_control_legacy_iomap_init - legacy iomap init for clock providers
+ *
+ * Legacy iomap init for clock provider. Needed only by legacy boot mode,
+ * where the base addresses are not parsed from DT, but still required
+ * by the clock driver to be setup properly.
+ */
+void __init omap3_control_legacy_iomap_init(void)
+{
+ omap2_clk_legacy_provider_init(TI_CLKM_SCRM, omap2_ctrl_base);
+}
diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
index b8a487181210..80d2b7d8e36e 100644
--- a/arch/arm/mach-omap2/control.h
+++ b/arch/arm/mach-omap2/control.h
@@ -440,15 +440,12 @@
#ifndef __ASSEMBLY__
#ifdef CONFIG_ARCH_OMAP2PLUS
-extern void __iomem *omap_ctrl_base_get(void);
extern u8 omap_ctrl_readb(u16 offset);
extern u16 omap_ctrl_readw(u16 offset);
extern u32 omap_ctrl_readl(u16 offset);
-extern u32 omap4_ctrl_pad_readl(u16 offset);
extern void omap_ctrl_writeb(u8 val, u16 offset);
extern void omap_ctrl_writew(u16 val, u16 offset);
extern void omap_ctrl_writel(u32 val, u16 offset);
-extern void omap4_ctrl_pad_writel(u32 val, u16 offset);
extern void omap3_save_scratchpad_contents(void);
extern void omap3_clear_scratchpad_contents(void);
@@ -464,10 +461,11 @@ extern void omap_ctrl_write_dsp_boot_mode(u8 bootmode);
extern void omap3630_ctrl_disable_rta(void);
extern int omap3_ctrl_save_padconf(void);
void omap3_ctrl_init(void);
-extern void omap2_set_globals_control(void __iomem *ctrl,
- void __iomem *ctrl_pad);
+int omap2_control_base_init(void);
+int omap_control_init(void);
+void omap2_set_globals_control(void __iomem *ctrl);
+void __init omap3_control_legacy_iomap_init(void);
#else
-#define omap_ctrl_base_get() 0
#define omap_ctrl_readb(x) 0
#define omap_ctrl_readw(x) 0
#define omap_ctrl_readl(x) 0
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 7a050f9c37ff..f492ae147c6a 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -26,6 +26,8 @@
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/slab.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include <video/omapdss.h>
#include "omap_hwmod.h"
@@ -104,6 +106,10 @@ static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initconst = {
{ "dss_hdmi", "omapdss_hdmi", -1 },
};
+#define OMAP4_DSIPHY_SYSCON_OFFSET 0x78
+
+static struct regmap *omap4_dsi_mux_syscon;
+
static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
{
u32 enable_mask, enable_shift;
@@ -124,7 +130,7 @@ static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
return -ENODEV;
}
- reg = omap4_ctrl_pad_readl(OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY);
+ regmap_read(omap4_dsi_mux_syscon, OMAP4_DSIPHY_SYSCON_OFFSET, &reg);
reg &= ~enable_mask;
reg &= ~pipd_mask;
@@ -132,7 +138,7 @@ static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
reg |= (lanes << enable_shift) & enable_mask;
reg |= (lanes << pipd_shift) & pipd_mask;
- omap4_ctrl_pad_writel(reg, OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY);
+ regmap_write(omap4_dsi_mux_syscon, OMAP4_DSIPHY_SYSCON_OFFSET, reg);
return 0;
}
@@ -665,5 +671,10 @@ int __init omapdss_init_of(void)
return r;
}
+ /* add DSI info for omap4 */
+ node = of_find_node_by_name(NULL, "omap4_padconf_global");
+ if (node)
+ omap4_dsi_mux_syscon = syscon_node_to_regmap(node);
+
return 0;
}
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 25f1beea453e..e3f713ffb06b 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -52,7 +52,10 @@ EXPORT_SYMBOL(omap_rev);
int omap_type(void)
{
- u32 val = 0;
+ static u32 val = OMAP2_DEVICETYPE_MASK;
+
+ if (val < OMAP2_DEVICETYPE_MASK)
+ return val;
if (cpu_is_omap24xx()) {
val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS);
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 1eeff6be260d..820dde8b5b04 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -382,13 +382,9 @@ void __init omap2420_init_early(void)
omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
- omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE),
- NULL);
- omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE));
- omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE), NULL);
+ omap2_control_base_init();
omap2xxx_check_revision();
- omap2xxx_prm_init();
- omap2xxx_cm_init();
+ omap2_prcm_base_init();
omap2xxx_voltagedomains_init();
omap242x_powerdomains_init();
omap242x_clockdomains_init();
@@ -412,13 +408,9 @@ void __init omap2430_init_early(void)
omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
- omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE),
- NULL);
- omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE));
- omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE), NULL);
+ omap2_control_base_init();
omap2xxx_check_revision();
- omap2xxx_prm_init();
- omap2xxx_cm_init();
+ omap2_prcm_base_init();
omap2xxx_voltagedomains_init();
omap243x_powerdomains_init();
omap243x_clockdomains_init();
@@ -446,21 +438,30 @@ void __init omap3_init_early(void)
omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
- omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE),
- NULL);
- omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE));
- omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), NULL);
+ /* XXX: remove these once OMAP3 is DT only */
+ if (!of_have_populated_dt()) {
+ omap2_set_globals_control(
+ OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE));
+ omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE));
+ omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE),
+ NULL);
+ }
+ omap2_control_base_init();
omap3xxx_check_revision();
omap3xxx_check_features();
- omap3xxx_prm_init();
- omap3xxx_cm_init();
+ omap2_prcm_base_init();
+ /* XXX: remove these once OMAP3 is DT only */
+ if (!of_have_populated_dt()) {
+ omap3xxx_prm_init(NULL);
+ omap3xxx_cm_init(NULL);
+ }
omap3xxx_voltagedomains_init();
omap3xxx_powerdomains_init();
omap3xxx_clockdomains_init();
omap3xxx_hwmod_init();
omap_hwmod_init_postsetup();
if (!of_have_populated_dt()) {
- omap3_prcm_legacy_iomaps_init();
+ omap3_control_legacy_iomap_init();
if (soc_is_am35xx())
omap_clk_soc_init = am35xx_clk_legacy_init;
else if (cpu_is_omap3630())
@@ -547,14 +548,10 @@ void __init ti814x_init_early(void)
{
omap2_set_globals_tap(TI814X_CLASS,
OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
- omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
- NULL);
- omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
- omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
+ omap2_control_base_init();
omap3xxx_check_revision();
ti81xx_check_features();
- am33xx_prm_init();
- am33xx_cm_init();
+ omap2_prcm_base_init();
omap3xxx_voltagedomains_init();
omap3xxx_powerdomains_init();
ti81xx_clockdomains_init();
@@ -568,14 +565,10 @@ void __init ti816x_init_early(void)
{
omap2_set_globals_tap(TI816X_CLASS,
OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
- omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
- NULL);
- omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
- omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
+ omap2_control_base_init();
omap3xxx_check_revision();
ti81xx_check_features();
- am33xx_prm_init();
- am33xx_cm_init();
+ omap2_prcm_base_init();
omap3xxx_voltagedomains_init();
omap3xxx_powerdomains_init();
ti81xx_clockdomains_init();
@@ -591,14 +584,10 @@ void __init am33xx_init_early(void)
{
omap2_set_globals_tap(AM335X_CLASS,
AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
- omap2_set_globals_control(AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
- NULL);
- omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE));
- omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), NULL);
+ omap2_control_base_init();
omap3xxx_check_revision();
am33xx_check_features();
- am33xx_prm_init();
- am33xx_cm_init();
+ omap2_prcm_base_init();
am33xx_powerdomains_init();
am33xx_clockdomains_init();
am33xx_hwmod_init();
@@ -617,16 +606,10 @@ void __init am43xx_init_early(void)
{
omap2_set_globals_tap(AM335X_CLASS,
AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
- omap2_set_globals_control(AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
- NULL);
- omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM43XX_PRCM_BASE));
- omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM43XX_PRCM_BASE), NULL);
- omap_prm_base_init();
- omap_cm_base_init();
+ omap2_control_base_init();
omap3xxx_check_revision();
am33xx_check_features();
- omap44xx_prm_init();
- omap4_cm_init();
+ omap2_prcm_base_init();
am43xx_powerdomains_init();
am43xx_clockdomains_init();
am43xx_hwmod_init();
@@ -646,19 +629,12 @@ void __init omap4430_init_early(void)
{
omap2_set_globals_tap(OMAP443X_CLASS,
OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
- omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
- OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE));
- omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE));
- omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
- OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE));
omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
- omap_prm_base_init();
- omap_cm_base_init();
+ omap2_control_base_init();
omap4xxx_check_revision();
omap4xxx_check_features();
- omap4_cm_init();
+ omap2_prcm_base_init();
omap4_pm_init_early();
- omap44xx_prm_init();
omap44xx_voltagedomains_init();
omap44xx_powerdomains_init();
omap44xx_clockdomains_init();
@@ -681,18 +657,11 @@ void __init omap5_init_early(void)
{
omap2_set_globals_tap(OMAP54XX_CLASS,
OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
- omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
- OMAP2_L4_IO_ADDRESS(OMAP54XX_CTRL_BASE));
- omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE));
- omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_AON_BASE),
- OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE));
omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
+ omap2_control_base_init();
omap4_pm_init_early();
- omap_prm_base_init();
- omap_cm_base_init();
- omap44xx_prm_init();
+ omap2_prcm_base_init();
omap5xxx_check_revision();
- omap4_cm_init();
omap54xx_voltagedomains_init();
omap54xx_powerdomains_init();
omap54xx_clockdomains_init();
@@ -713,18 +682,11 @@ void __init omap5_init_late(void)
void __init dra7xx_init_early(void)
{
omap2_set_globals_tap(-1, OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
- omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
- OMAP2_L4_IO_ADDRESS(DRA7XX_CTRL_BASE));
- omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE));
- omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(DRA7XX_CM_CORE_AON_BASE),
- OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE));
omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
+ omap2_control_base_init();
omap4_pm_init_early();
- omap_prm_base_init();
- omap_cm_base_init();
- omap44xx_prm_init();
+ omap2_prcm_base_init();
dra7xxx_check_revision();
- omap4_cm_init();
dra7xx_powerdomains_init();
dra7xx_clockdomains_init();
dra7xx_hwmod_init();
@@ -762,7 +724,11 @@ int __init omap_clk_init(void)
ti_clk_init_features();
if (of_have_populated_dt()) {
- ret = of_prcm_init();
+ ret = omap_control_init();
+ if (ret)
+ return ret;
+
+ ret = omap_prcm_init();
if (ret)
return ret;
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index fe01c5a03aa2..b1aad7e1426c 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -75,9 +75,9 @@ static int omap2_enter_full_retention(void)
/* Clear old wake-up events */
/* REVISIT: These write to reserved bits? */
- omap2xxx_prm_clear_mod_irqs(CORE_MOD, PM_WKST1, ~0);
- omap2xxx_prm_clear_mod_irqs(CORE_MOD, OMAP24XX_PM_WKST2, ~0);
- omap2xxx_prm_clear_mod_irqs(WKUP_MOD, PM_WKST, ~0);
+ omap_prm_clear_mod_irqs(CORE_MOD, PM_WKST1, ~0);
+ omap_prm_clear_mod_irqs(CORE_MOD, OMAP24XX_PM_WKST2, ~0);
+ omap_prm_clear_mod_irqs(WKUP_MOD, PM_WKST, ~0);
pwrdm_set_next_pwrst(core_pwrdm, PWRDM_POWER_RET);
pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_RET);
@@ -104,18 +104,16 @@ no_sleep:
clk_enable(osc_ck);
/* clear CORE wake-up events */
- omap2xxx_prm_clear_mod_irqs(CORE_MOD, PM_WKST1, ~0);
- omap2xxx_prm_clear_mod_irqs(CORE_MOD, OMAP24XX_PM_WKST2, ~0);
+ omap_prm_clear_mod_irqs(CORE_MOD, PM_WKST1, ~0);
+ omap_prm_clear_mod_irqs(CORE_MOD, OMAP24XX_PM_WKST2, ~0);
/* wakeup domain events - bit 1: GPT1, bit5 GPIO */
- omap2xxx_prm_clear_mod_irqs(WKUP_MOD, PM_WKST, 0x4 | 0x1);
+ omap_prm_clear_mod_irqs(WKUP_MOD, PM_WKST, 0x4 | 0x1);
/* MPU domain wake events */
- omap2xxx_prm_clear_mod_irqs(OCP_MOD, OMAP2_PRCM_IRQSTATUS_MPU_OFFSET,
- 0x1);
+ omap_prm_clear_mod_irqs(OCP_MOD, OMAP2_PRCM_IRQSTATUS_MPU_OFFSET, 0x1);
- omap2xxx_prm_clear_mod_irqs(OCP_MOD, OMAP2_PRCM_IRQSTATUS_MPU_OFFSET,
- 0x20);
+ omap_prm_clear_mod_irqs(OCP_MOD, OMAP2_PRCM_IRQSTATUS_MPU_OFFSET, 0x20);
pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON);
pwrdm_set_next_pwrst(core_pwrdm, PWRDM_POWER_ON);
@@ -143,9 +141,9 @@ static void omap2_enter_mpu_retention(void)
* it is in retention mode. */
if (omap2_allow_mpu_retention()) {
/* REVISIT: These write to reserved bits? */
- omap2xxx_prm_clear_mod_irqs(CORE_MOD, PM_WKST1, ~0);
- omap2xxx_prm_clear_mod_irqs(CORE_MOD, OMAP24XX_PM_WKST2, ~0);
- omap2xxx_prm_clear_mod_irqs(WKUP_MOD, PM_WKST, ~0);
+ omap_prm_clear_mod_irqs(CORE_MOD, PM_WKST1, ~0);
+ omap_prm_clear_mod_irqs(CORE_MOD, OMAP24XX_PM_WKST2, ~0);
+ omap_prm_clear_mod_irqs(WKUP_MOD, PM_WKST, ~0);
/* Try to enter MPU retention */
pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_RET);
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 88721df6001d..87b98bf92366 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -137,9 +137,8 @@ static irqreturn_t _prcm_int_handle_io(int irq, void *unused)
{
int c;
- c = omap3xxx_prm_clear_mod_irqs(WKUP_MOD, 1,
- ~(OMAP3430_ST_IO_MASK |
- OMAP3430_ST_IO_CHAIN_MASK));
+ c = omap_prm_clear_mod_irqs(WKUP_MOD, 1, OMAP3430_ST_IO_MASK |
+ OMAP3430_ST_IO_CHAIN_MASK);
return c ? IRQ_HANDLED : IRQ_NONE;
}
@@ -153,14 +152,13 @@ static irqreturn_t _prcm_int_handle_wakeup(int irq, void *unused)
* these are handled in a separate handler to avoid acking
* IO events before parsing in mux code
*/
- c = omap3xxx_prm_clear_mod_irqs(WKUP_MOD, 1,
- OMAP3430_ST_IO_MASK |
- OMAP3430_ST_IO_CHAIN_MASK);
- c += omap3xxx_prm_clear_mod_irqs(CORE_MOD, 1, 0);
- c += omap3xxx_prm_clear_mod_irqs(OMAP3430_PER_MOD, 1, 0);
+ c = omap_prm_clear_mod_irqs(WKUP_MOD, 1, ~(OMAP3430_ST_IO_MASK |
+ OMAP3430_ST_IO_CHAIN_MASK));
+ c += omap_prm_clear_mod_irqs(CORE_MOD, 1, ~0);
+ c += omap_prm_clear_mod_irqs(OMAP3430_PER_MOD, 1, ~0);
if (omap_rev() > OMAP3430_REV_ES1_0) {
- c += omap3xxx_prm_clear_mod_irqs(CORE_MOD, 3, 0);
- c += omap3xxx_prm_clear_mod_irqs(OMAP3430ES2_USBHOST_MOD, 1, 0);
+ c += omap_prm_clear_mod_irqs(CORE_MOD, 3, ~0);
+ c += omap_prm_clear_mod_irqs(OMAP3430ES2_USBHOST_MOD, 1, ~0);
}
return c ? IRQ_HANDLED : IRQ_NONE;
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index 6163d66102a3..6ae0b3a1781e 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -518,6 +518,26 @@ struct omap_prcm_irq_setup {
.priority = _priority \
}
+/**
+ * struct omap_prcm_init_data - PRCM driver init data
+ * @index: clock memory mapping index to be used
+ * @mem: IO mem pointer for this module
+ * @offset: module base address offset from the IO base
+ * @flags: PRCM module init flags
+ * @device_inst_offset: device instance offset within the module address space
+ * @init: low level PRCM init function for this module
+ * @np: device node for this PRCM module
+ */
+struct omap_prcm_init_data {
+ int index;
+ void __iomem *mem;
+ s16 offset;
+ u16 flags;
+ s32 device_inst_offset;
+ int (*init)(const struct omap_prcm_init_data *data);
+ struct device_node *np;
+};
+
extern void omap_prcm_irq_cleanup(void);
extern int omap_prcm_register_chain_handler(
struct omap_prcm_irq_setup *irq_setup);
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h
index b9061a6a2db8..233bc84fbc0e 100644
--- a/arch/arm/mach-omap2/prm.h
+++ b/arch/arm/mach-omap2/prm.h
@@ -19,8 +19,9 @@
extern void __iomem *prm_base;
extern u16 prm_features;
extern void omap2_set_globals_prm(void __iomem *prm);
-int of_prcm_init(void);
-void omap3_prcm_legacy_iomaps_init(void);
+int omap_prcm_init(void);
+int omap2_prm_base_init(void);
+int omap2_prcm_base_init(void);
# endif
/*
@@ -28,9 +29,11 @@ void omap3_prcm_legacy_iomaps_init(void);
*
* PRM_HAS_IO_WAKEUP: has IO wakeup capability
* PRM_HAS_VOLTAGE: has voltage domains
+ * PRM_IRQ_DEFAULT: use default irq number for PRM irq
*/
-#define PRM_HAS_IO_WAKEUP (1 << 0)
-#define PRM_HAS_VOLTAGE (1 << 1)
+#define PRM_HAS_IO_WAKEUP BIT(0)
+#define PRM_HAS_VOLTAGE BIT(1)
+#define PRM_IRQ_DEFAULT BIT(2)
/*
* MAX_MODULE_SOFTRESET_WAIT: Maximum microseconds to wait for OMAP
@@ -146,6 +149,9 @@ struct prm_ll_data {
int (*is_hardreset_asserted)(u8 shift, u8 part, s16 prm_mod,
u16 offset);
void (*reset_system)(void);
+ int (*clear_mod_irqs)(s16 module, u8 regs, u32 wkst_mask);
+ u32 (*vp_check_txdone)(u8 vp_id);
+ void (*vp_clear_txdone)(u8 vp_id);
};
extern int prm_register(struct prm_ll_data *pld);
@@ -161,6 +167,19 @@ extern void prm_clear_context_loss_flags_old(u8 part, s16 inst, u16 idx);
void omap_prm_reset_system(void);
void omap_prm_reconfigure_io_chain(void);
+int omap_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask);
+
+/*
+ * Voltage Processor (VP) identifiers
+ */
+#define OMAP3_VP_VDD_MPU_ID 0
+#define OMAP3_VP_VDD_CORE_ID 1
+#define OMAP4_VP_VDD_CORE_ID 0
+#define OMAP4_VP_VDD_IVA_ID 1
+#define OMAP4_VP_VDD_MPU_ID 2
+
+u32 omap_prm_vp_check_txdone(u8 vp_id);
+void omap_prm_vp_clear_txdone(u8 vp_id);
#endif
diff --git a/arch/arm/mach-omap2/prm2xxx.c b/arch/arm/mach-omap2/prm2xxx.c
index af0f15278fc2..752018ce129c 100644
--- a/arch/arm/mach-omap2/prm2xxx.c
+++ b/arch/arm/mach-omap2/prm2xxx.c
@@ -123,13 +123,14 @@ static void omap2xxx_prm_dpll_reset(void)
* Clears wakeup status bits for a given module, so that the device can
* re-enter idle.
*/
-void omap2xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask)
+static int omap2xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask)
{
u32 wkst;
wkst = omap2_prm_read_mod_reg(module, regs);
wkst &= wkst_mask;
omap2_prm_write_mod_reg(wkst, module, regs);
+ return 0;
}
int omap2xxx_clkdm_sleep(struct clockdomain *clkdm)
@@ -216,9 +217,10 @@ static struct prm_ll_data omap2xxx_prm_ll_data = {
.deassert_hardreset = &omap2_prm_deassert_hardreset,
.is_hardreset_asserted = &omap2_prm_is_hardreset_asserted,
.reset_system = &omap2xxx_prm_dpll_reset,
+ .clear_mod_irqs = &omap2xxx_prm_clear_mod_irqs,
};
-int __init omap2xxx_prm_init(void)
+int __init omap2xxx_prm_init(const struct omap_prcm_init_data *data)
{
return prm_register(&omap2xxx_prm_ll_data);
}
diff --git a/arch/arm/mach-omap2/prm2xxx.h b/arch/arm/mach-omap2/prm2xxx.h
index 1d51643062f7..9008a9e55a1a 100644
--- a/arch/arm/mach-omap2/prm2xxx.h
+++ b/arch/arm/mach-omap2/prm2xxx.h
@@ -124,9 +124,7 @@
extern int omap2xxx_clkdm_sleep(struct clockdomain *clkdm);
extern int omap2xxx_clkdm_wakeup(struct clockdomain *clkdm);
-void omap2xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask);
-
-extern int __init omap2xxx_prm_init(void);
+int __init omap2xxx_prm_init(const struct omap_prcm_init_data *data);
#endif
diff --git a/arch/arm/mach-omap2/prm33xx.c b/arch/arm/mach-omap2/prm33xx.c
index 02f628601b09..dcb5001d77da 100644
--- a/arch/arm/mach-omap2/prm33xx.c
+++ b/arch/arm/mach-omap2/prm33xx.c
@@ -378,7 +378,7 @@ static struct prm_ll_data am33xx_prm_ll_data = {
.reset_system = am33xx_prm_global_warm_sw_reset,
};
-int __init am33xx_prm_init(void)
+int __init am33xx_prm_init(const struct omap_prcm_init_data *data)
{
return prm_register(&am33xx_prm_ll_data);
}
diff --git a/arch/arm/mach-omap2/prm33xx.h b/arch/arm/mach-omap2/prm33xx.h
index 98ac41f271da..2bc4ec52ba78 100644
--- a/arch/arm/mach-omap2/prm33xx.h
+++ b/arch/arm/mach-omap2/prm33xx.h
@@ -118,7 +118,7 @@
#define AM33XX_PM_CEFUSE_PWRSTST AM33XX_PRM_REGADDR(AM33XX_PRM_CEFUSE_MOD, 0x0004)
#ifndef __ASSEMBLER__
-int am33xx_prm_init(void);
+int am33xx_prm_init(const struct omap_prcm_init_data *data);
#endif /* ASSEMBLER */
#endif
diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c
index 5713bbdf83bc..62680aad2126 100644
--- a/arch/arm/mach-omap2/prm3xxx.c
+++ b/arch/arm/mach-omap2/prm3xxx.c
@@ -29,6 +29,7 @@
#include "prm-regbits-34xx.h"
#include "cm3xxx.h"
#include "cm-regbits-34xx.h"
+#include "clock.h"
static void omap3xxx_prm_read_pending_irqs(unsigned long *events);
static void omap3xxx_prm_ocp_barrier(void);
@@ -96,7 +97,7 @@ static struct omap3_vp omap3_vp[] = {
#define MAX_VP_ID ARRAY_SIZE(omap3_vp);
-u32 omap3_prm_vp_check_txdone(u8 vp_id)
+static u32 omap3_prm_vp_check_txdone(u8 vp_id)
{
struct omap3_vp *vp = &omap3_vp[vp_id];
u32 irqstatus;
@@ -106,7 +107,7 @@ u32 omap3_prm_vp_check_txdone(u8 vp_id)
return irqstatus & vp->tranxdone_status;
}
-void omap3_prm_vp_clear_txdone(u8 vp_id)
+static void omap3_prm_vp_clear_txdone(u8 vp_id)
{
struct omap3_vp *vp = &omap3_vp[vp_id];
@@ -217,7 +218,7 @@ static void omap3xxx_prm_restore_irqen(u32 *saved_mask)
* omap3xxx_prm_clear_mod_irqs - clear wake-up events from PRCM interrupt
* @module: PRM module to clear wakeups from
* @regs: register set to clear, 1 or 3
- * @ignore_bits: wakeup status bits to ignore
+ * @wkst_mask: wkst bits to clear
*
* The purpose of this function is to clear any wake-up events latched
* in the PRCM PM_WKST_x registers. It is possible that a wake-up event
@@ -226,7 +227,7 @@ static void omap3xxx_prm_restore_irqen(u32 *saved_mask)
* that any peripheral wake-up events occurring while attempting to
* clear the PM_WKST_x are detected and cleared.
*/
-int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits)
+static int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask)
{
u32 wkst, fclk, iclk, clken;
u16 wkst_off = (regs == 3) ? OMAP3430ES2_PM_WKST3 : PM_WKST1;
@@ -238,7 +239,7 @@ int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits)
wkst = omap2_prm_read_mod_reg(module, wkst_off);
wkst &= omap2_prm_read_mod_reg(module, grpsel_off);
- wkst &= ~ignore_bits;
+ wkst &= wkst_mask;
if (wkst) {
iclk = omap2_cm_read_mod_reg(module, iclk_off);
fclk = omap2_cm_read_mod_reg(module, fclk_off);
@@ -254,7 +255,7 @@ int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits)
omap2_cm_set_mod_reg_bits(clken, module, fclk_off);
omap2_prm_write_mod_reg(wkst, module, wkst_off);
wkst = omap2_prm_read_mod_reg(module, wkst_off);
- wkst &= ~ignore_bits;
+ wkst &= wkst_mask;
c++;
}
omap2_cm_write_mod_reg(iclk, module, iclk_off);
@@ -664,10 +665,15 @@ static struct prm_ll_data omap3xxx_prm_ll_data = {
.deassert_hardreset = &omap2_prm_deassert_hardreset,
.is_hardreset_asserted = &omap2_prm_is_hardreset_asserted,
.reset_system = &omap3xxx_prm_dpll3_reset,
+ .clear_mod_irqs = &omap3xxx_prm_clear_mod_irqs,
+ .vp_check_txdone = &omap3_prm_vp_check_txdone,
+ .vp_clear_txdone = &omap3_prm_vp_clear_txdone,
};
-int __init omap3xxx_prm_init(void)
+int __init omap3xxx_prm_init(const struct omap_prcm_init_data *data)
{
+ omap2_clk_legacy_provider_init(TI_CLKM_PRM,
+ prm_base + OMAP3430_IVA2_MOD);
if (omap3_has_io_wakeup())
prm_features |= PRM_HAS_IO_WAKEUP;
diff --git a/arch/arm/mach-omap2/prm3xxx.h b/arch/arm/mach-omap2/prm3xxx.h
index ed8a3d8b739a..5f095eec339c 100644
--- a/arch/arm/mach-omap2/prm3xxx.h
+++ b/arch/arm/mach-omap2/prm3xxx.h
@@ -132,10 +132,6 @@
#ifndef __ASSEMBLER__
-/* OMAP3-specific VP functions */
-u32 omap3_prm_vp_check_txdone(u8 vp_id);
-void omap3_prm_vp_clear_txdone(u8 vp_id);
-
/*
* OMAP3 access functions for voltage controller (VC) and
* voltage proccessor (VP) in the PRM.
@@ -144,8 +140,7 @@ extern u32 omap3_prm_vcvp_read(u8 offset);
extern void omap3_prm_vcvp_write(u32 val, u8 offset);
extern u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset);
-extern int __init omap3xxx_prm_init(void);
-int omap3xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 ignore_bits);
+int __init omap3xxx_prm_init(const struct omap_prcm_init_data *data);
void omap3xxx_prm_iva_idle(void);
void omap3_prm_reset_modem(void);
int omap3xxx_prm_clear_global_cold_reset(void);
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index d6d6bc39e05c..4541700f743a 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -138,7 +138,7 @@ static struct omap4_vp omap4_vp[] = {
},
};
-u32 omap4_prm_vp_check_txdone(u8 vp_id)
+static u32 omap4_prm_vp_check_txdone(u8 vp_id)
{
struct omap4_vp *vp = &omap4_vp[vp_id];
u32 irqstatus;
@@ -149,7 +149,7 @@ u32 omap4_prm_vp_check_txdone(u8 vp_id)
return irqstatus & vp->tranxdone_status;
}
-void omap4_prm_vp_clear_txdone(u8 vp_id)
+static void omap4_prm_vp_clear_txdone(u8 vp_id)
{
struct omap4_vp *vp = &omap4_vp[vp_id];
@@ -699,29 +699,31 @@ static struct prm_ll_data omap44xx_prm_ll_data = {
.deassert_hardreset = omap4_prminst_deassert_hardreset,
.is_hardreset_asserted = omap4_prminst_is_hardreset_asserted,
.reset_system = omap4_prminst_global_warm_sw_reset,
+ .vp_check_txdone = omap4_prm_vp_check_txdone,
+ .vp_clear_txdone = omap4_prm_vp_clear_txdone,
};
-int __init omap44xx_prm_init(void)
+static const struct omap_prcm_init_data *prm_init_data;
+
+int __init omap44xx_prm_init(const struct omap_prcm_init_data *data)
{
- if (cpu_is_omap44xx() || soc_is_omap54xx() || soc_is_dra7xx())
+ omap_prm_base_init();
+
+ prm_init_data = data;
+
+ if (data->flags & PRM_HAS_IO_WAKEUP)
prm_features |= PRM_HAS_IO_WAKEUP;
- if (!soc_is_dra7xx())
+ if (data->flags & PRM_HAS_VOLTAGE)
prm_features |= PRM_HAS_VOLTAGE;
+ omap4_prminst_set_prm_dev_inst(data->device_inst_offset);
+
return prm_register(&omap44xx_prm_ll_data);
}
-static const struct of_device_id omap_prm_dt_match_table[] = {
- { .compatible = "ti,omap4-prm" },
- { .compatible = "ti,omap5-prm" },
- { .compatible = "ti,dra7-prm" },
- { }
-};
-
static int omap44xx_prm_late_init(void)
{
- struct device_node *np;
int irq_num;
if (!(prm_features & PRM_HAS_IO_WAKEUP))
@@ -731,31 +733,23 @@ static int omap44xx_prm_late_init(void)
if (!of_have_populated_dt())
return 0;
- np = of_find_matching_node(NULL, omap_prm_dt_match_table);
-
- if (!np) {
- /* Default loaded up with OMAP4 values */
- if (!cpu_is_omap44xx())
- return 0;
- } else {
- irq_num = of_irq_get(np, 0);
- /*
- * Already have OMAP4 IRQ num. For all other platforms, we need
- * IRQ numbers from DT
- */
- if (irq_num < 0 && !cpu_is_omap44xx()) {
- if (irq_num == -EPROBE_DEFER)
- return irq_num;
-
- /* Have nothing to do */
- return 0;
- }
-
- /* Once OMAP4 DT is filled as well */
- if (irq_num >= 0) {
- omap4_prcm_irq_setup.irq = irq_num;
- omap4_prcm_irq_setup.xlate_irq = NULL;
- }
+ irq_num = of_irq_get(prm_init_data->np, 0);
+ /*
+ * Already have OMAP4 IRQ num. For all other platforms, we need
+ * IRQ numbers from DT
+ */
+ if (irq_num < 0 && !(prm_init_data->flags & PRM_IRQ_DEFAULT)) {
+ if (irq_num == -EPROBE_DEFER)
+ return irq_num;
+
+ /* Have nothing to do */
+ return 0;
+ }
+
+ /* Once OMAP4 DT is filled as well */
+ if (irq_num >= 0) {
+ omap4_prcm_irq_setup.irq = irq_num;
+ omap4_prcm_irq_setup.xlate_irq = NULL;
}
omap44xx_prm_enable_io_wakeup();
diff --git a/arch/arm/mach-omap2/prm44xx.h b/arch/arm/mach-omap2/prm44xx.h
index 7db2422faa16..efd6035d0871 100644
--- a/arch/arm/mach-omap2/prm44xx.h
+++ b/arch/arm/mach-omap2/prm44xx.h
@@ -26,7 +26,6 @@
#define __ARCH_ARM_MACH_OMAP2_PRM44XX_H
#include "prm44xx_54xx.h"
-#include "prcm-common.h"
#include "prm.h"
#define OMAP4430_PRM_BASE 0x4a306000
diff --git a/arch/arm/mach-omap2/prm44xx_54xx.h b/arch/arm/mach-omap2/prm44xx_54xx.h
index 714329565b90..3f139ebc8398 100644
--- a/arch/arm/mach-omap2/prm44xx_54xx.h
+++ b/arch/arm/mach-omap2/prm44xx_54xx.h
@@ -23,13 +23,11 @@
#ifndef __ARCH_ARM_MACH_OMAP2_PRM44XX_54XX_H
#define __ARCH_ARM_MACH_OMAP2_PRM44XX_54XX_H
+#include "prcm-common.h"
+
/* Function prototypes */
#ifndef __ASSEMBLER__
-/* OMAP4/OMAP5-specific VP functions */
-u32 omap4_prm_vp_check_txdone(u8 vp_id);
-void omap4_prm_vp_clear_txdone(u8 vp_id);
-
/*
* OMAP4/OMAP5 access functions for voltage controller (VC) and
* voltage proccessor (VP) in the PRM.
@@ -38,7 +36,7 @@ extern u32 omap4_prm_vcvp_read(u8 offset);
extern void omap4_prm_vcvp_write(u32 val, u8 offset);
extern u32 omap4_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset);
-extern int __init omap44xx_prm_init(void);
+int __init omap44xx_prm_init(const struct omap_prcm_init_data *data);
#endif
diff --git a/arch/arm/mach-omap2/prm54xx.h b/arch/arm/mach-omap2/prm54xx.h
index e4411010309c..1eb22ff087dc 100644
--- a/arch/arm/mach-omap2/prm54xx.h
+++ b/arch/arm/mach-omap2/prm54xx.h
@@ -22,7 +22,6 @@
#define __ARCH_ARM_MACH_OMAP2_PRM54XX_H
#include "prm44xx_54xx.h"
-#include "prcm-common.h"
#include "prm.h"
#define OMAP54XX_PRM_BASE 0x4ae06000
diff --git a/arch/arm/mach-omap2/prm7xx.h b/arch/arm/mach-omap2/prm7xx.h
index 4bb50fbf29be..cc1e6a2b97f6 100644
--- a/arch/arm/mach-omap2/prm7xx.h
+++ b/arch/arm/mach-omap2/prm7xx.h
@@ -22,8 +22,8 @@
#ifndef __ARCH_ARM_MACH_OMAP2_PRM7XX_H
#define __ARCH_ARM_MACH_OMAP2_PRM7XX_H
-#include "prm44xx_54xx.h"
#include "prcm-common.h"
+#include "prm44xx_54xx.h"
#include "prm.h"
#define DRA7XX_PRM_BASE 0x4ae06000
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index bfaa7ba595cc..7add7994dbfc 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -32,7 +32,11 @@
#include "prm2xxx_3xxx.h"
#include "prm2xxx.h"
#include "prm3xxx.h"
+#include "prm33xx.h"
#include "prm44xx.h"
+#include "prm54xx.h"
+#include "prm7xx.h"
+#include "prcm43xx.h"
#include "common.h"
#include "clock.h"
#include "cm.h"
@@ -534,6 +538,61 @@ void omap_prm_reset_system(void)
}
/**
+ * omap_prm_clear_mod_irqs - clear wake-up events from PRCM interrupt
+ * @module: PRM module to clear wakeups from
+ * @regs: register to clear
+ * @wkst_mask: wkst bits to clear
+ *
+ * Clears any wakeup events for the module and register set defined.
+ * Uses SoC specific implementation to do the actual wakeup status
+ * clearing.
+ */
+int omap_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask)
+{
+ if (!prm_ll_data->clear_mod_irqs) {
+ WARN_ONCE(1, "prm: %s: no mapping function defined\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ return prm_ll_data->clear_mod_irqs(module, regs, wkst_mask);
+}
+
+/**
+ * omap_prm_vp_check_txdone - check voltage processor TX done status
+ *
+ * Checks if voltage processor transmission has been completed.
+ * Returns non-zero if a transmission has completed, 0 otherwise.
+ */
+u32 omap_prm_vp_check_txdone(u8 vp_id)
+{
+ if (!prm_ll_data->vp_check_txdone) {
+ WARN_ONCE(1, "prm: %s: no mapping function defined\n",
+ __func__);
+ return 0;
+ }
+
+ return prm_ll_data->vp_check_txdone(vp_id);
+}
+
+/**
+ * omap_prm_vp_clear_txdone - clears voltage processor TX done status
+ *
+ * Clears the status bit for completed voltage processor transmission
+ * returned by prm_vp_check_txdone.
+ */
+void omap_prm_vp_clear_txdone(u8 vp_id)
+{
+ if (!prm_ll_data->vp_clear_txdone) {
+ WARN_ONCE(1, "prm: %s: no mapping function defined\n",
+ __func__);
+ return;
+ }
+
+ prm_ll_data->vp_clear_txdone(vp_id);
+}
+
+/**
* prm_register - register per-SoC low-level data with the PRM
* @pld: low-level per-SoC OMAP PRM data & function pointers to register
*
@@ -578,78 +637,175 @@ int prm_unregister(struct prm_ll_data *pld)
return 0;
}
-static const struct of_device_id omap_prcm_dt_match_table[] = {
- { .compatible = "ti,am3-prcm" },
- { .compatible = "ti,am3-scrm" },
- { .compatible = "ti,am4-prcm" },
- { .compatible = "ti,am4-scrm" },
- { .compatible = "ti,dm814-prcm" },
- { .compatible = "ti,dm814-scrm" },
- { .compatible = "ti,dm816-prcm" },
- { .compatible = "ti,dm816-scrm" },
- { .compatible = "ti,omap2-prcm" },
- { .compatible = "ti,omap2-scrm" },
- { .compatible = "ti,omap3-prm" },
- { .compatible = "ti,omap3-cm" },
- { .compatible = "ti,omap3-scrm" },
- { .compatible = "ti,omap4-cm1" },
- { .compatible = "ti,omap4-prm" },
- { .compatible = "ti,omap4-cm2" },
- { .compatible = "ti,omap4-scrm" },
- { .compatible = "ti,omap5-prm" },
- { .compatible = "ti,omap5-cm-core-aon" },
- { .compatible = "ti,omap5-scrm" },
- { .compatible = "ti,omap5-cm-core" },
- { .compatible = "ti,dra7-prm" },
- { .compatible = "ti,dra7-cm-core-aon" },
- { .compatible = "ti,dra7-cm-core" },
- { }
+#ifdef CONFIG_ARCH_OMAP2
+static struct omap_prcm_init_data omap2_prm_data __initdata = {
+ .index = TI_CLKM_PRM,
+ .init = omap2xxx_prm_init,
};
+#endif
+
+#ifdef CONFIG_ARCH_OMAP3
+static struct omap_prcm_init_data omap3_prm_data __initdata = {
+ .index = TI_CLKM_PRM,
+ .init = omap3xxx_prm_init,
-static struct clk_hw_omap memmap_dummy_ck = {
- .flags = MEMMAP_ADDRESSING,
+ /*
+ * IVA2 offset is a negative value, must offset the prm_base
+ * address by this to get it to positive
+ */
+ .offset = -OMAP3430_IVA2_MOD,
};
+#endif
-static u32 prm_clk_readl(void __iomem *reg)
-{
- return omap2_clk_readl(&memmap_dummy_ck, reg);
-}
+#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_TI81XX)
+static struct omap_prcm_init_data am3_prm_data __initdata = {
+ .index = TI_CLKM_PRM,
+ .init = am33xx_prm_init,
+};
+#endif
+
+#ifdef CONFIG_ARCH_OMAP4
+static struct omap_prcm_init_data omap4_prm_data __initdata = {
+ .index = TI_CLKM_PRM,
+ .init = omap44xx_prm_init,
+ .device_inst_offset = OMAP4430_PRM_DEVICE_INST,
+ .flags = PRM_HAS_IO_WAKEUP | PRM_HAS_VOLTAGE | PRM_IRQ_DEFAULT,
+};
+#endif
+
+#ifdef CONFIG_SOC_OMAP5
+static struct omap_prcm_init_data omap5_prm_data __initdata = {
+ .index = TI_CLKM_PRM,
+ .init = omap44xx_prm_init,
+ .device_inst_offset = OMAP54XX_PRM_DEVICE_INST,
+ .flags = PRM_HAS_IO_WAKEUP | PRM_HAS_VOLTAGE,
+};
+#endif
+
+#ifdef CONFIG_SOC_DRA7XX
+static struct omap_prcm_init_data dra7_prm_data __initdata = {
+ .index = TI_CLKM_PRM,
+ .init = omap44xx_prm_init,
+ .device_inst_offset = DRA7XX_PRM_DEVICE_INST,
+ .flags = PRM_HAS_IO_WAKEUP,
+};
+#endif
-static void prm_clk_writel(u32 val, void __iomem *reg)
-{
- omap2_clk_writel(val, &memmap_dummy_ck, reg);
-}
+#ifdef CONFIG_SOC_AM43XX
+static struct omap_prcm_init_data am4_prm_data __initdata = {
+ .index = TI_CLKM_PRM,
+ .init = omap44xx_prm_init,
+ .device_inst_offset = AM43XX_PRM_DEVICE_INST,
+};
+#endif
-static struct ti_clk_ll_ops omap_clk_ll_ops = {
- .clk_readl = prm_clk_readl,
- .clk_writel = prm_clk_writel,
+#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
+static struct omap_prcm_init_data scrm_data __initdata = {
+ .index = TI_CLKM_SCRM,
+};
+#endif
+
+static const struct of_device_id omap_prcm_dt_match_table[] __initconst = {
+#ifdef CONFIG_SOC_AM33XX
+ { .compatible = "ti,am3-prcm", .data = &am3_prm_data },
+#endif
+#ifdef CONFIG_SOC_AM43XX
+ { .compatible = "ti,am4-prcm", .data = &am4_prm_data },
+#endif
+#ifdef CONFIG_SOC_TI81XX
+ { .compatible = "ti,dm814-prcm", .data = &am3_prm_data },
+ { .compatible = "ti,dm816-prcm", .data = &am3_prm_data },
+#endif
+#ifdef CONFIG_ARCH_OMAP2
+ { .compatible = "ti,omap2-prcm", .data = &omap2_prm_data },
+#endif
+#ifdef CONFIG_ARCH_OMAP3
+ { .compatible = "ti,omap3-prm", .data = &omap3_prm_data },
+#endif
+#ifdef CONFIG_ARCH_OMAP4
+ { .compatible = "ti,omap4-prm", .data = &omap4_prm_data },
+ { .compatible = "ti,omap4-scrm", .data = &scrm_data },
+#endif
+#ifdef CONFIG_SOC_OMAP5
+ { .compatible = "ti,omap5-prm", .data = &omap5_prm_data },
+ { .compatible = "ti,omap5-scrm", .data = &scrm_data },
+#endif
+#ifdef CONFIG_SOC_DRA7XX
+ { .compatible = "ti,dra7-prm", .data = &dra7_prm_data },
+#endif
+ { }
};
-int __init of_prcm_init(void)
+/**
+ * omap2_prm_base_init - initialize iomappings for the PRM driver
+ *
+ * Detects and initializes the iomappings for the PRM driver, based
+ * on the DT data. Returns 0 in success, negative error value
+ * otherwise.
+ */
+int __init omap2_prm_base_init(void)
{
struct device_node *np;
+ const struct of_device_id *match;
+ struct omap_prcm_init_data *data;
void __iomem *mem;
- int memmap_index = 0;
- ti_clk_ll_ops = &omap_clk_ll_ops;
+ for_each_matching_node_and_match(np, omap_prcm_dt_match_table, &match) {
+ data = (struct omap_prcm_init_data *)match->data;
- for_each_matching_node(np, omap_prcm_dt_match_table) {
mem = of_iomap(np, 0);
- clk_memmaps[memmap_index] = mem;
- ti_dt_clk_init_provider(np, memmap_index);
- memmap_index++;
+ if (!mem)
+ return -ENOMEM;
+
+ if (data->index == TI_CLKM_PRM)
+ prm_base = mem + data->offset;
+
+ data->mem = mem;
+
+ data->np = np;
+
+ if (data->init)
+ data->init(data);
}
return 0;
}
-void __init omap3_prcm_legacy_iomaps_init(void)
+int __init omap2_prcm_base_init(void)
{
- ti_clk_ll_ops = &omap_clk_ll_ops;
+ int ret;
- clk_memmaps[TI_CLKM_CM] = cm_base + OMAP3430_IVA2_MOD;
- clk_memmaps[TI_CLKM_PRM] = prm_base + OMAP3430_IVA2_MOD;
- clk_memmaps[TI_CLKM_SCRM] = omap_ctrl_base_get();
+ ret = omap2_prm_base_init();
+ if (ret)
+ return ret;
+
+ return omap2_cm_base_init();
+}
+
+/**
+ * omap_prcm_init - low level init for the PRCM drivers
+ *
+ * Initializes the low level clock infrastructure for PRCM drivers.
+ * Returns 0 in success, negative error value in failure.
+ */
+int __init omap_prcm_init(void)
+{
+ struct device_node *np;
+ const struct of_device_id *match;
+ const struct omap_prcm_init_data *data;
+ int ret;
+
+ for_each_matching_node_and_match(np, omap_prcm_dt_match_table, &match) {
+ data = match->data;
+
+ ret = omap2_clk_provider_init(np, data->index, NULL, data->mem);
+ if (ret)
+ return ret;
+ }
+
+ omap_cm_init();
+
+ return 0;
}
static int __init prm_late_init(void)
diff --git a/arch/arm/mach-omap2/prminst44xx.c b/arch/arm/mach-omap2/prminst44xx.c
index 8adf7b1a1dce..c4859c4d3646 100644
--- a/arch/arm/mach-omap2/prminst44xx.c
+++ b/arch/arm/mach-omap2/prminst44xx.c
@@ -47,22 +47,14 @@ void omap_prm_base_init(void)
s32 omap4_prmst_get_prm_dev_inst(void)
{
- if (prm_dev_inst != PRM_INSTANCE_UNKNOWN)
- return prm_dev_inst;
-
- /* This cannot be done way early at boot.. as things are not setup */
- if (cpu_is_omap44xx())
- prm_dev_inst = OMAP4430_PRM_DEVICE_INST;
- else if (soc_is_omap54xx())
- prm_dev_inst = OMAP54XX_PRM_DEVICE_INST;
- else if (soc_is_dra7xx())
- prm_dev_inst = DRA7XX_PRM_DEVICE_INST;
- else if (soc_is_am43xx())
- prm_dev_inst = AM43XX_PRM_DEVICE_INST;
-
return prm_dev_inst;
}
+void omap4_prminst_set_prm_dev_inst(s32 dev_inst)
+{
+ prm_dev_inst = dev_inst;
+}
+
/* Read a register in a PRM instance */
u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx)
{
diff --git a/arch/arm/mach-omap2/prminst44xx.h b/arch/arm/mach-omap2/prminst44xx.h
index fb1c9d7a2f9d..0c03d0731d7f 100644
--- a/arch/arm/mach-omap2/prminst44xx.h
+++ b/arch/arm/mach-omap2/prminst44xx.h
@@ -14,6 +14,7 @@
#define PRM_INSTANCE_UNKNOWN -1
extern s32 omap4_prmst_get_prm_dev_inst(void);
+void omap4_prminst_set_prm_dev_inst(s32 dev_inst);
/*
* In an ideal world, we would not export these low-level functions,
diff --git a/arch/arm/mach-omap2/vp.h b/arch/arm/mach-omap2/vp.h
index 0fdf7080e4a6..7e0829682bd0 100644
--- a/arch/arm/mach-omap2/vp.h
+++ b/arch/arm/mach-omap2/vp.h
@@ -21,15 +21,6 @@
struct voltagedomain;
-/*
- * Voltage Processor (VP) identifiers
- */
-#define OMAP3_VP_VDD_MPU_ID 0
-#define OMAP3_VP_VDD_CORE_ID 1
-#define OMAP4_VP_VDD_CORE_ID 0
-#define OMAP4_VP_VDD_IVA_ID 1
-#define OMAP4_VP_VDD_MPU_ID 2
-
/* XXX document */
#define VP_IDLE_TIMEOUT 200
#define VP_TRANXDONE_TIMEOUT 300
diff --git a/arch/arm/mach-omap2/vp3xxx_data.c b/arch/arm/mach-omap2/vp3xxx_data.c
index 1914e026245e..b0590fe6ab01 100644
--- a/arch/arm/mach-omap2/vp3xxx_data.c
+++ b/arch/arm/mach-omap2/vp3xxx_data.c
@@ -28,8 +28,8 @@
#include "prm2xxx_3xxx.h"
static const struct omap_vp_ops omap3_vp_ops = {
- .check_txdone = omap3_prm_vp_check_txdone,
- .clear_txdone = omap3_prm_vp_clear_txdone,
+ .check_txdone = omap_prm_vp_check_txdone,
+ .clear_txdone = omap_prm_vp_clear_txdone,
};
/*
diff --git a/arch/arm/mach-omap2/vp44xx_data.c b/arch/arm/mach-omap2/vp44xx_data.c
index e62f6b018beb..2448bb9a8716 100644
--- a/arch/arm/mach-omap2/vp44xx_data.c
+++ b/arch/arm/mach-omap2/vp44xx_data.c
@@ -28,8 +28,8 @@
#include "vp.h"
static const struct omap_vp_ops omap4_vp_ops = {
- .check_txdone = omap4_prm_vp_check_txdone,
- .clear_txdone = omap4_prm_vp_clear_txdone,
+ .check_txdone = omap_prm_vp_check_txdone,
+ .clear_txdone = omap_prm_vp_clear_txdone,
};
/*