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-rw-r--r--arch/arm/mach-omap2/clock.c27
-rw-r--r--arch/arm/mach-omap2/clock.h3
-rw-r--r--arch/arm/mach-omap2/clock44xx_data.c177
-rw-r--r--arch/arm/mach-omap2/clockdomain.c210
-rw-r--r--arch/arm/mach-omap2/clockdomain.h11
-rw-r--r--arch/arm/mach-omap2/clockdomain2xxx_3xxx.c6
-rw-r--r--arch/arm/mach-omap2/clockdomain44xx.c13
-rw-r--r--arch/arm/mach-omap2/clockdomains44xx_data.c2
-rw-r--r--arch/arm/mach-omap2/cm44xx.h8
-rw-r--r--arch/arm/mach-omap2/cminst44xx.c150
-rw-r--r--arch/arm/mach-omap2/cminst44xx.h10
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c234
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_44xx_data.c412
-rw-r--r--arch/arm/mach-omap2/pm.c4
-rw-r--r--arch/arm/mach-omap2/prcm.c2
-rw-r--r--arch/arm/mach-omap2/prm44xx.c145
-rw-r--r--arch/arm/mach-omap2/prm44xx.h10
-rw-r--r--arch/arm/mach-omap2/prminst44xx.c112
-rw-r--r--arch/arm/mach-omap2/prminst44xx.h12
19 files changed, 1177 insertions, 371 deletions
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 180299e4a838..fc845767e8d4 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -38,6 +38,14 @@
u8 cpu_mask;
/*
+ * clkdm_control: if true, then when a clock is enabled in the
+ * hardware, its clockdomain will first be enabled; and when a clock
+ * is disabled in the hardware, its clockdomain will be disabled
+ * afterwards.
+ */
+static bool clkdm_control = true;
+
+/*
* OMAP2+ specific clock functions
*/
@@ -100,6 +108,19 @@ void omap2_init_clk_clkdm(struct clk *clk)
}
/**
+ * omap2_clk_disable_clkdm_control - disable clkdm control on clk enable/disable
+ *
+ * Prevent the OMAP clock code from calling into the clockdomain code
+ * when a hardware clock in that clockdomain is enabled or disabled.
+ * Intended to be called at init time from omap*_clk_init(). No
+ * return value.
+ */
+void __init omap2_clk_disable_clkdm_control(void)
+{
+ clkdm_control = false;
+}
+
+/**
* omap2_clk_dflt_find_companion - find companion clock to @clk
* @clk: struct clk * to find the companion clock of
* @other_reg: void __iomem ** to return the companion clock CM_*CLKEN va in
@@ -268,7 +289,7 @@ void omap2_clk_disable(struct clk *clk)
clk->ops->disable(clk);
}
- if (clk->clkdm)
+ if (clkdm_control && clk->clkdm)
clkdm_clk_disable(clk->clkdm, clk);
if (clk->parent)
@@ -308,7 +329,7 @@ int omap2_clk_enable(struct clk *clk)
}
}
- if (clk->clkdm) {
+ if (clkdm_control && clk->clkdm) {
ret = clkdm_clk_enable(clk->clkdm, clk);
if (ret) {
WARN(1, "clock: %s: could not enable clockdomain %s: "
@@ -330,7 +351,7 @@ int omap2_clk_enable(struct clk *clk)
return 0;
oce_err3:
- if (clk->clkdm)
+ if (clkdm_control && clk->clkdm)
clkdm_clk_disable(clk->clkdm, clk);
oce_err2:
if (clk->parent)
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index e10ff2b54844..48ac568881bd 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -16,6 +16,8 @@
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK_H
+#include <linux/kernel.h>
+
#include <plat/clock.h>
/* CM_CLKSEL2_PLL.CORE_CLK_SRC bits (2XXX) */
@@ -72,6 +74,7 @@ void omap2_clk_disable_unused(struct clk *clk);
#endif
void omap2_init_clk_clkdm(struct clk *clk);
+void __init omap2_clk_disable_clkdm_control(void);
/* clkt_clksel.c public functions */
u32 omap2_clksel_round_rate_div(struct clk *clk, unsigned long target_rate,
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index 763507f54339..0d13defdad00 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -2774,19 +2774,39 @@ static struct clk trace_clk_div_ck = {
/* SCRM aux clk nodes */
-static const struct clksel auxclk_sel[] = {
+static const struct clksel auxclk_src_sel[] = {
{ .parent = &sys_clkin_ck, .rates = div_1_0_rates },
{ .parent = &dpll_core_m3x2_ck, .rates = div_1_1_rates },
{ .parent = &dpll_per_m3x2_ck, .rates = div_1_2_rates },
{ .parent = NULL },
};
-static struct clk auxclk0_ck = {
- .name = "auxclk0_ck",
+static const struct clksel_rate div16_1to16_rates[] = {
+ { .div = 1, .val = 0, .flags = RATE_IN_4430 },
+ { .div = 2, .val = 1, .flags = RATE_IN_4430 },
+ { .div = 3, .val = 2, .flags = RATE_IN_4430 },
+ { .div = 4, .val = 3, .flags = RATE_IN_4430 },
+ { .div = 5, .val = 4, .flags = RATE_IN_4430 },
+ { .div = 6, .val = 5, .flags = RATE_IN_4430 },
+ { .div = 7, .val = 6, .flags = RATE_IN_4430 },
+ { .div = 8, .val = 7, .flags = RATE_IN_4430 },
+ { .div = 9, .val = 8, .flags = RATE_IN_4430 },
+ { .div = 10, .val = 9, .flags = RATE_IN_4430 },
+ { .div = 11, .val = 10, .flags = RATE_IN_4430 },
+ { .div = 12, .val = 11, .flags = RATE_IN_4430 },
+ { .div = 13, .val = 12, .flags = RATE_IN_4430 },
+ { .div = 14, .val = 13, .flags = RATE_IN_4430 },
+ { .div = 15, .val = 14, .flags = RATE_IN_4430 },
+ { .div = 16, .val = 15, .flags = RATE_IN_4430 },
+ { .div = 0 },
+};
+
+static struct clk auxclk0_src_ck = {
+ .name = "auxclk0_src_ck",
.parent = &sys_clkin_ck,
.init = &omap2_init_clksel_parent,
.ops = &clkops_omap2_dflt,
- .clksel = auxclk_sel,
+ .clksel = auxclk_src_sel,
.clksel_reg = OMAP4_SCRM_AUXCLK0,
.clksel_mask = OMAP4_SRCSELECT_MASK,
.recalc = &omap2_clksel_recalc,
@@ -2794,12 +2814,29 @@ static struct clk auxclk0_ck = {
.enable_bit = OMAP4_ENABLE_SHIFT,
};
-static struct clk auxclk1_ck = {
- .name = "auxclk1_ck",
+static const struct clksel auxclk0_sel[] = {
+ { .parent = &auxclk0_src_ck, .rates = div16_1to16_rates },
+ { .parent = NULL },
+};
+
+static struct clk auxclk0_ck = {
+ .name = "auxclk0_ck",
+ .parent = &auxclk0_src_ck,
+ .clksel = auxclk0_sel,
+ .clksel_reg = OMAP4_SCRM_AUXCLK0,
+ .clksel_mask = OMAP4_CLKDIV_MASK,
+ .ops = &clkops_null,
+ .recalc = &omap2_clksel_recalc,
+ .round_rate = &omap2_clksel_round_rate,
+ .set_rate = &omap2_clksel_set_rate,
+};
+
+static struct clk auxclk1_src_ck = {
+ .name = "auxclk1_src_ck",
.parent = &sys_clkin_ck,
.init = &omap2_init_clksel_parent,
.ops = &clkops_omap2_dflt,
- .clksel = auxclk_sel,
+ .clksel = auxclk_src_sel,
.clksel_reg = OMAP4_SCRM_AUXCLK1,
.clksel_mask = OMAP4_SRCSELECT_MASK,
.recalc = &omap2_clksel_recalc,
@@ -2807,12 +2844,29 @@ static struct clk auxclk1_ck = {
.enable_bit = OMAP4_ENABLE_SHIFT,
};
-static struct clk auxclk2_ck = {
- .name = "auxclk2_ck",
+static const struct clksel auxclk1_sel[] = {
+ { .parent = &auxclk1_src_ck, .rates = div16_1to16_rates },
+ { .parent = NULL },
+};
+
+static struct clk auxclk1_ck = {
+ .name = "auxclk1_ck",
+ .parent = &auxclk1_src_ck,
+ .clksel = auxclk1_sel,
+ .clksel_reg = OMAP4_SCRM_AUXCLK1,
+ .clksel_mask = OMAP4_CLKDIV_MASK,
+ .ops = &clkops_null,
+ .recalc = &omap2_clksel_recalc,
+ .round_rate = &omap2_clksel_round_rate,
+ .set_rate = &omap2_clksel_set_rate,
+};
+
+static struct clk auxclk2_src_ck = {
+ .name = "auxclk2_src_ck",
.parent = &sys_clkin_ck,
.init = &omap2_init_clksel_parent,
.ops = &clkops_omap2_dflt,
- .clksel = auxclk_sel,
+ .clksel = auxclk_src_sel,
.clksel_reg = OMAP4_SCRM_AUXCLK2,
.clksel_mask = OMAP4_SRCSELECT_MASK,
.recalc = &omap2_clksel_recalc,
@@ -2820,12 +2874,29 @@ static struct clk auxclk2_ck = {
.enable_bit = OMAP4_ENABLE_SHIFT,
};
-static struct clk auxclk3_ck = {
- .name = "auxclk3_ck",
+static const struct clksel auxclk2_sel[] = {
+ { .parent = &auxclk2_src_ck, .rates = div16_1to16_rates },
+ { .parent = NULL },
+};
+
+static struct clk auxclk2_ck = {
+ .name = "auxclk2_ck",
+ .parent = &auxclk2_src_ck,
+ .clksel = auxclk2_sel,
+ .clksel_reg = OMAP4_SCRM_AUXCLK2,
+ .clksel_mask = OMAP4_CLKDIV_MASK,
+ .ops = &clkops_null,
+ .recalc = &omap2_clksel_recalc,
+ .round_rate = &omap2_clksel_round_rate,
+ .set_rate = &omap2_clksel_set_rate,
+};
+
+static struct clk auxclk3_src_ck = {
+ .name = "auxclk3_src_ck",
.parent = &sys_clkin_ck,
.init = &omap2_init_clksel_parent,
.ops = &clkops_omap2_dflt,
- .clksel = auxclk_sel,
+ .clksel = auxclk_src_sel,
.clksel_reg = OMAP4_SCRM_AUXCLK3,
.clksel_mask = OMAP4_SRCSELECT_MASK,
.recalc = &omap2_clksel_recalc,
@@ -2833,12 +2904,29 @@ static struct clk auxclk3_ck = {
.enable_bit = OMAP4_ENABLE_SHIFT,
};
-static struct clk auxclk4_ck = {
- .name = "auxclk4_ck",
+static const struct clksel auxclk3_sel[] = {
+ { .parent = &auxclk3_src_ck, .rates = div16_1to16_rates },
+ { .parent = NULL },
+};
+
+static struct clk auxclk3_ck = {
+ .name = "auxclk3_ck",
+ .parent = &auxclk3_src_ck,
+ .clksel = auxclk3_sel,
+ .clksel_reg = OMAP4_SCRM_AUXCLK3,
+ .clksel_mask = OMAP4_CLKDIV_MASK,
+ .ops = &clkops_null,
+ .recalc = &omap2_clksel_recalc,
+ .round_rate = &omap2_clksel_round_rate,
+ .set_rate = &omap2_clksel_set_rate,
+};
+
+static struct clk auxclk4_src_ck = {
+ .name = "auxclk4_src_ck",
.parent = &sys_clkin_ck,
.init = &omap2_init_clksel_parent,
.ops = &clkops_omap2_dflt,
- .clksel = auxclk_sel,
+ .clksel = auxclk_src_sel,
.clksel_reg = OMAP4_SCRM_AUXCLK4,
.clksel_mask = OMAP4_SRCSELECT_MASK,
.recalc = &omap2_clksel_recalc,
@@ -2846,12 +2934,29 @@ static struct clk auxclk4_ck = {
.enable_bit = OMAP4_ENABLE_SHIFT,
};
-static struct clk auxclk5_ck = {
- .name = "auxclk5_ck",
+static const struct clksel auxclk4_sel[] = {
+ { .parent = &auxclk4_src_ck, .rates = div16_1to16_rates },
+ { .parent = NULL },
+};
+
+static struct clk auxclk4_ck = {
+ .name = "auxclk4_ck",
+ .parent = &auxclk4_src_ck,
+ .clksel = auxclk4_sel,
+ .clksel_reg = OMAP4_SCRM_AUXCLK4,
+ .clksel_mask = OMAP4_CLKDIV_MASK,
+ .ops = &clkops_null,
+ .recalc = &omap2_clksel_recalc,
+ .round_rate = &omap2_clksel_round_rate,
+ .set_rate = &omap2_clksel_set_rate,
+};
+
+static struct clk auxclk5_src_ck = {
+ .name = "auxclk5_src_ck",
.parent = &sys_clkin_ck,
.init = &omap2_init_clksel_parent,
.ops = &clkops_omap2_dflt,
- .clksel = auxclk_sel,
+ .clksel = auxclk_src_sel,
.clksel_reg = OMAP4_SCRM_AUXCLK5,
.clksel_mask = OMAP4_SRCSELECT_MASK,
.recalc = &omap2_clksel_recalc,
@@ -2859,6 +2964,23 @@ static struct clk auxclk5_ck = {
.enable_bit = OMAP4_ENABLE_SHIFT,
};
+static const struct clksel auxclk5_sel[] = {
+ { .parent = &auxclk5_src_ck, .rates = div16_1to16_rates },
+ { .parent = NULL },
+};
+
+static struct clk auxclk5_ck = {
+ .name = "auxclk5_ck",
+ .parent = &auxclk5_src_ck,
+ .clksel = auxclk5_sel,
+ .clksel_reg = OMAP4_SCRM_AUXCLK5,
+ .clksel_mask = OMAP4_CLKDIV_MASK,
+ .ops = &clkops_null,
+ .recalc = &omap2_clksel_recalc,
+ .round_rate = &omap2_clksel_round_rate,
+ .set_rate = &omap2_clksel_set_rate,
+};
+
static const struct clksel auxclkreq_sel[] = {
{ .parent = &auxclk0_ck, .rates = div_1_0_rates },
{ .parent = &auxclk1_ck, .rates = div_1_1_rates },
@@ -3150,17 +3272,23 @@ static struct omap_clk omap44xx_clks[] = {
CLK(NULL, "wd_timer3_fck", &wd_timer3_fck, CK_443X),
CLK(NULL, "stm_clk_div_ck", &stm_clk_div_ck, CK_443X),
CLK(NULL, "trace_clk_div_ck", &trace_clk_div_ck, CK_443X),
+ CLK(NULL, "auxclk0_src_ck", &auxclk0_src_ck, CK_443X),
CLK(NULL, "auxclk0_ck", &auxclk0_ck, CK_443X),
- CLK(NULL, "auxclk1_ck", &auxclk1_ck, CK_443X),
- CLK(NULL, "auxclk2_ck", &auxclk2_ck, CK_443X),
- CLK(NULL, "auxclk3_ck", &auxclk3_ck, CK_443X),
- CLK(NULL, "auxclk4_ck", &auxclk4_ck, CK_443X),
- CLK(NULL, "auxclk5_ck", &auxclk5_ck, CK_443X),
CLK(NULL, "auxclkreq0_ck", &auxclkreq0_ck, CK_443X),
+ CLK(NULL, "auxclk1_src_ck", &auxclk1_src_ck, CK_443X),
+ CLK(NULL, "auxclk1_ck", &auxclk1_ck, CK_443X),
CLK(NULL, "auxclkreq1_ck", &auxclkreq1_ck, CK_443X),
+ CLK(NULL, "auxclk2_src_ck", &auxclk2_src_ck, CK_443X),
+ CLK(NULL, "auxclk2_ck", &auxclk2_ck, CK_443X),
CLK(NULL, "auxclkreq2_ck", &auxclkreq2_ck, CK_443X),
+ CLK(NULL, "auxclk3_src_ck", &auxclk3_src_ck, CK_443X),
+ CLK(NULL, "auxclk3_ck", &auxclk3_ck, CK_443X),
CLK(NULL, "auxclkreq3_ck", &auxclkreq3_ck, CK_443X),
+ CLK(NULL, "auxclk4_src_ck", &auxclk4_src_ck, CK_443X),
+ CLK(NULL, "auxclk4_ck", &auxclk4_ck, CK_443X),
CLK(NULL, "auxclkreq4_ck", &auxclkreq4_ck, CK_443X),
+ CLK(NULL, "auxclk5_src_ck", &auxclk5_src_ck, CK_443X),
+ CLK(NULL, "auxclk5_ck", &auxclk5_ck, CK_443X),
CLK(NULL, "auxclkreq5_ck", &auxclkreq5_ck, CK_443X),
CLK(NULL, "gpmc_ck", &dummy_ck, CK_443X),
CLK(NULL, "gpt1_ick", &dummy_ck, CK_443X),
@@ -3212,6 +3340,7 @@ int __init omap4xxx_clk_init(void)
}
clk_init(&omap2_clk_functions);
+ omap2_clk_disable_clkdm_control();
for (c = omap44xx_clks; c < omap44xx_clks + ARRAY_SIZE(omap44xx_clks);
c++)
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 6cb6c03293df..ab7db083f97f 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -1,8 +1,8 @@
/*
* OMAP2/3/4 clockdomain framework functions
*
- * Copyright (C) 2008-2010 Texas Instruments, Inc.
- * Copyright (C) 2008-2010 Nokia Corporation
+ * Copyright (C) 2008-2011 Texas Instruments, Inc.
+ * Copyright (C) 2008-2011 Nokia Corporation
*
* Written by Paul Walmsley and Jouni Högander
* Added OMAP4 specific support by Abhijit Pagare <abhijitpagare@ti.com>
@@ -92,6 +92,8 @@ static int _clkdm_register(struct clockdomain *clkdm)
pwrdm_add_clkdm(pwrdm, clkdm);
+ spin_lock_init(&clkdm->lock);
+
pr_debug("clockdomain: registered %s\n", clkdm->name);
return 0;
@@ -690,6 +692,9 @@ int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm)
*/
int clkdm_sleep(struct clockdomain *clkdm)
{
+ int ret;
+ unsigned long flags;
+
if (!clkdm)
return -EINVAL;
@@ -704,7 +709,11 @@ int clkdm_sleep(struct clockdomain *clkdm)
pr_debug("clockdomain: forcing sleep on %s\n", clkdm->name);
- return arch_clkdm->clkdm_sleep(clkdm);
+ spin_lock_irqsave(&clkdm->lock, flags);
+ clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED;
+ ret = arch_clkdm->clkdm_sleep(clkdm);
+ spin_unlock_irqrestore(&clkdm->lock, flags);
+ return ret;
}
/**
@@ -718,6 +727,9 @@ int clkdm_sleep(struct clockdomain *clkdm)
*/
int clkdm_wakeup(struct clockdomain *clkdm)
{
+ int ret;
+ unsigned long flags;
+
if (!clkdm)
return -EINVAL;
@@ -732,7 +744,11 @@ int clkdm_wakeup(struct clockdomain *clkdm)
pr_debug("clockdomain: forcing wakeup on %s\n", clkdm->name);
- return arch_clkdm->clkdm_wakeup(clkdm);
+ spin_lock_irqsave(&clkdm->lock, flags);
+ clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED;
+ ret = arch_clkdm->clkdm_wakeup(clkdm);
+ spin_unlock_irqrestore(&clkdm->lock, flags);
+ return ret;
}
/**
@@ -747,6 +763,8 @@ int clkdm_wakeup(struct clockdomain *clkdm)
*/
void clkdm_allow_idle(struct clockdomain *clkdm)
{
+ unsigned long flags;
+
if (!clkdm)
return;
@@ -762,8 +780,11 @@ void clkdm_allow_idle(struct clockdomain *clkdm)
pr_debug("clockdomain: enabling automatic idle transitions for %s\n",
clkdm->name);
+ spin_lock_irqsave(&clkdm->lock, flags);
+ clkdm->_flags |= _CLKDM_FLAG_HWSUP_ENABLED;
arch_clkdm->clkdm_allow_idle(clkdm);
pwrdm_clkdm_state_switch(clkdm);
+ spin_unlock_irqrestore(&clkdm->lock, flags);
}
/**
@@ -777,6 +798,8 @@ void clkdm_allow_idle(struct clockdomain *clkdm)
*/
void clkdm_deny_idle(struct clockdomain *clkdm)
{
+ unsigned long flags;
+
if (!clkdm)
return;
@@ -792,11 +815,90 @@ void clkdm_deny_idle(struct clockdomain *clkdm)
pr_debug("clockdomain: disabling automatic idle transitions for %s\n",
clkdm->name);
+ spin_lock_irqsave(&clkdm->lock, flags);
+ clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED;
arch_clkdm->clkdm_deny_idle(clkdm);
+ spin_unlock_irqrestore(&clkdm->lock, flags);
+}
+
+/**
+ * clkdm_in_hwsup - is clockdomain @clkdm have hardware-supervised idle enabled?
+ * @clkdm: struct clockdomain *
+ *
+ * Returns true if clockdomain @clkdm currently has
+ * hardware-supervised idle enabled, or false if it does not or if
+ * @clkdm is NULL. It is only valid to call this function after
+ * clkdm_init() has been called. This function does not actually read
+ * bits from the hardware; it instead tests an in-memory flag that is
+ * changed whenever the clockdomain code changes the auto-idle mode.
+ */
+bool clkdm_in_hwsup(struct clockdomain *clkdm)
+{
+ bool ret;
+ unsigned long flags;
+
+ if (!clkdm)
+ return false;
+
+ spin_lock_irqsave(&clkdm->lock, flags);
+ ret = (clkdm->_flags & _CLKDM_FLAG_HWSUP_ENABLED) ? true : false;
+ spin_unlock_irqrestore(&clkdm->lock, flags);
+
+ return ret;
+}
+
+/* Clockdomain-to-clock/hwmod framework interface code */
+
+static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm)
+{
+ unsigned long flags;
+
+ if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_enable)
+ return -EINVAL;
+
+ /*
+ * For arch's with no autodeps, clkcm_clk_enable
+ * should be called for every clock instance or hwmod that is
+ * enabled, so the clkdm can be force woken up.
+ */
+ if ((atomic_inc_return(&clkdm->usecount) > 1) && autodeps)
+ return 0;
+
+ spin_lock_irqsave(&clkdm->lock, flags);
+ arch_clkdm->clkdm_clk_enable(clkdm);
+ pwrdm_wait_transition(clkdm->pwrdm.ptr);
+ pwrdm_clkdm_state_switch(clkdm);
+ spin_unlock_irqrestore(&clkdm->lock, flags);
+
+ pr_debug("clockdomain: clkdm %s: enabled\n", clkdm->name);
+
+ return 0;
}
+static int _clkdm_clk_hwmod_disable(struct clockdomain *clkdm)
+{
+ unsigned long flags;
+
+ if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_disable)
+ return -EINVAL;
+
+ if (atomic_read(&clkdm->usecount) == 0) {
+ WARN_ON(1); /* underflow */
+ return -ERANGE;
+ }
+
+ if (atomic_dec_return(&clkdm->usecount) > 0)
+ return 0;
+
+ spin_lock_irqsave(&clkdm->lock, flags);
+ arch_clkdm->clkdm_clk_disable(clkdm);
+ pwrdm_clkdm_state_switch(clkdm);
+ spin_unlock_irqrestore(&clkdm->lock, flags);
-/* Clockdomain-to-clock framework interface code */
+ pr_debug("clockdomain: clkdm %s: disabled\n", clkdm->name);
+
+ return 0;
+}
/**
* clkdm_clk_enable - add an enabled downstream clock to this clkdm
@@ -819,25 +921,10 @@ int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
* downstream clocks for debugging purposes?
*/
- if (!clkdm || !clk)
+ if (!clk)
return -EINVAL;
- if (!arch_clkdm || !arch_clkdm->clkdm_clk_enable)
- return -EINVAL;
-
- if (atomic_inc_return(&clkdm->usecount) > 1)
- return 0;
-
- /* Clockdomain now has one enabled downstream clock */
-
- pr_debug("clockdomain: clkdm %s: clk %s now enabled\n", clkdm->name,
- clk->name);
-
- arch_clkdm->clkdm_clk_enable(clkdm);
- pwrdm_wait_transition(clkdm->pwrdm.ptr);
- pwrdm_clkdm_state_switch(clkdm);
-
- return 0;
+ return _clkdm_clk_hwmod_enable(clkdm);
}
/**
@@ -850,9 +937,8 @@ int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
* clockdomain usecount goes to 0, put the clockdomain to sleep
* (software-supervised mode) or remove the clkdm autodependencies
* (hardware-supervised mode). Returns -EINVAL if passed null
- * pointers; -ERANGE if the @clkdm usecount underflows and debugging
- * is enabled; or returns 0 upon success or if the clockdomain is in
- * hwsup idle mode.
+ * pointers; -ERANGE if the @clkdm usecount underflows; or returns 0
+ * upon success or if the clockdomain is in hwsup idle mode.
*/
int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
{
@@ -861,30 +947,72 @@ int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
* downstream clocks for debugging purposes?
*/
- if (!clkdm || !clk)
+ if (!clk)
return -EINVAL;
- if (!arch_clkdm || !arch_clkdm->clkdm_clk_disable)
+ return _clkdm_clk_hwmod_disable(clkdm);
+}
+
+/**
+ * clkdm_hwmod_enable - add an enabled downstream hwmod to this clkdm
+ * @clkdm: struct clockdomain *
+ * @oh: struct omap_hwmod * of the enabled downstream hwmod
+ *
+ * Increment the usecount of the clockdomain @clkdm and ensure that it
+ * is awake before @oh is enabled. Intended to be called by
+ * module_enable() code.
+ * If the clockdomain is in software-supervised idle mode, force the
+ * clockdomain to wake. If the clockdomain is in hardware-supervised idle
+ * mode, add clkdm-pwrdm autodependencies, to ensure that devices in the
+ * clockdomain can be read from/written to by on-chip processors.
+ * Returns -EINVAL if passed null pointers;
+ * returns 0 upon success or if the clockdomain is in hwsup idle mode.
+ */
+int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh)
+{
+ /* The clkdm attribute does not exist yet prior OMAP4 */
+ if (cpu_is_omap24xx() || cpu_is_omap34xx())
+ return 0;
+
+ /*
+ * XXX Rewrite this code to maintain a list of enabled
+ * downstream hwmods for debugging purposes?
+ */
+
+ if (!oh)
return -EINVAL;
-#ifdef DEBUG
- if (atomic_read(&clkdm->usecount) == 0) {
- WARN_ON(1); /* underflow */
- return -ERANGE;
- }
-#endif
+ return _clkdm_clk_hwmod_enable(clkdm);
+}
- if (atomic_dec_return(&clkdm->usecount) > 0)
+/**
+ * clkdm_hwmod_disable - remove an enabled downstream hwmod from this clkdm
+ * @clkdm: struct clockdomain *
+ * @oh: struct omap_hwmod * of the disabled downstream hwmod
+ *
+ * Decrement the usecount of this clockdomain @clkdm when @oh is
+ * disabled. Intended to be called by module_disable() code.
+ * If the clockdomain usecount goes to 0, put the clockdomain to sleep
+ * (software-supervised mode) or remove the clkdm autodependencies
+ * (hardware-supervised mode).
+ * Returns -EINVAL if passed null pointers; -ERANGE if the @clkdm usecount
+ * underflows; or returns 0 upon success or if the clockdomain is in hwsup
+ * idle mode.
+ */
+int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh)
+{
+ /* The clkdm attribute does not exist yet prior OMAP4 */
+ if (cpu_is_omap24xx() || cpu_is_omap34xx())
return 0;
- /* All downstream clocks of this clockdomain are now disabled */
-
- pr_debug("clockdomain: clkdm %s: clk %s now disabled\n", clkdm->name,
- clk->name);
+ /*
+ * XXX Rewrite this code to maintain a list of enabled
+ * downstream hwmods for debugging purposes?
+ */
- arch_clkdm->clkdm_clk_disable(clkdm);
- pwrdm_clkdm_state_switch(clkdm);
+ if (!oh)
+ return -EINVAL;
- return 0;
+ return _clkdm_clk_hwmod_disable(clkdm);
}
diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h
index 5823584d9cd7..1e50c88b8a07 100644
--- a/arch/arm/mach-omap2/clockdomain.h
+++ b/arch/arm/mach-omap2/clockdomain.h
@@ -17,9 +17,11 @@
#define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAIN_H
#include <linux/init.h>
+#include <linux/spinlock.h>
#include "powerdomain.h"
#include <plat/clock.h>
+#include <plat/omap_hwmod.h>
#include <plat/cpu.h>
/*
@@ -82,6 +84,9 @@ struct clkdm_dep {
const struct omap_chip_id omap_chip;
};
+/* Possible flags for struct clockdomain._flags */
+#define _CLKDM_FLAG_HWSUP_ENABLED BIT(0)
+
/**
* struct clockdomain - OMAP clockdomain
* @name: clockdomain name
@@ -89,6 +94,7 @@ struct clkdm_dep {
* @clktrctrl_reg: CLKSTCTRL reg for the given clock domain
* @clktrctrl_mask: CLKTRCTRL/AUTOSTATE field mask in CM_CLKSTCTRL reg
* @flags: Clockdomain capability flags
+ * @_flags: Flags for use only by internal clockdomain code
* @dep_bit: Bit shift of this clockdomain's PM_WKDEP/CM_SLEEPDEP bit
* @prcm_partition: (OMAP4 only) PRCM partition ID for this clkdm's registers
* @cm_inst: (OMAP4 only) CM instance register offset
@@ -113,6 +119,7 @@ struct clockdomain {
} pwrdm;
const u16 clktrctrl_mask;
const u8 flags;
+ u8 _flags;
const u8 dep_bit;
const u8 prcm_partition;
const s16 cm_inst;
@@ -122,6 +129,7 @@ struct clockdomain {
const struct omap_chip_id omap_chip;
atomic_t usecount;
struct list_head node;
+ spinlock_t lock;
};
/**
@@ -177,12 +185,15 @@ int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm);
void clkdm_allow_idle(struct clockdomain *clkdm);
void clkdm_deny_idle(struct clockdomain *clkdm);
+bool clkdm_in_hwsup(struct clockdomain *clkdm);
int clkdm_wakeup(struct clockdomain *clkdm);
int clkdm_sleep(struct clockdomain *clkdm);
int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk);
int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk);
+int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh);
+int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh);
extern void __init omap2xxx_clockdomains_init(void);
extern void __init omap3xxx_clockdomains_init(void);
diff --git a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
index 48d0db7e6069..f740edb111f4 100644
--- a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
@@ -183,7 +183,8 @@ static int omap2_clkdm_clk_enable(struct clockdomain *clkdm)
_clkdm_add_autodeps(clkdm);
_enable_hwsup(clkdm);
} else {
- clkdm_wakeup(clkdm);
+ if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
+ omap2_clkdm_wakeup(clkdm);
}
return 0;
@@ -205,7 +206,8 @@ static int omap2_clkdm_clk_disable(struct clockdomain *clkdm)
_clkdm_del_autodeps(clkdm);
_enable_hwsup(clkdm);
} else {
- clkdm_sleep(clkdm);
+ if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)
+ omap2_clkdm_sleep(clkdm);
}
return 0;
diff --git a/arch/arm/mach-omap2/clockdomain44xx.c b/arch/arm/mach-omap2/clockdomain44xx.c
index a1a4ecd26544..b43706aa08bd 100644
--- a/arch/arm/mach-omap2/clockdomain44xx.c
+++ b/arch/arm/mach-omap2/clockdomain44xx.c
@@ -95,13 +95,8 @@ static void omap4_clkdm_deny_idle(struct clockdomain *clkdm)
static int omap4_clkdm_clk_enable(struct clockdomain *clkdm)
{
- bool hwsup = false;
-
- hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition,
- clkdm->cm_inst, clkdm->clkdm_offs);
-
- if (!hwsup)
- clkdm_wakeup(clkdm);
+ if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
+ return omap4_clkdm_wakeup(clkdm);
return 0;
}
@@ -113,8 +108,8 @@ static int omap4_clkdm_clk_disable(struct clockdomain *clkdm)
hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition,
clkdm->cm_inst, clkdm->clkdm_offs);
- if (!hwsup)
- clkdm_sleep(clkdm);
+ if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP))
+ omap4_clkdm_sleep(clkdm);
return 0;
}
diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c
index 66090f2676ce..dccc651fa0d0 100644
--- a/arch/arm/mach-omap2/clockdomains44xx_data.c
+++ b/arch/arm/mach-omap2/clockdomains44xx_data.c
@@ -565,7 +565,7 @@ static struct clockdomain ducati_44xx_clkdm = {
};
static struct clockdomain mpu_44xx_clkdm = {
- .name = "mpu_clkdm",
+ .name = "mpuss_clkdm",
.pwrdm = { .name = "mpu_pwrdm" },
.prcm_partition = OMAP4430_CM1_PARTITION,
.cm_inst = OMAP4430_CM1_MPU_INST,
diff --git a/arch/arm/mach-omap2/cm44xx.h b/arch/arm/mach-omap2/cm44xx.h
index 0b87ec82b41c..3380beeace6e 100644
--- a/arch/arm/mach-omap2/cm44xx.h
+++ b/arch/arm/mach-omap2/cm44xx.h
@@ -1,7 +1,7 @@
/*
* OMAP4 Clock Management (CM) definitions
*
- * Copyright (C) 2007-2009 Texas Instruments, Inc.
+ * Copyright (C) 2007-2011 Texas Instruments, Inc.
* Copyright (C) 2007-2009 Nokia Corporation
*
* Written by Paul Walmsley
@@ -23,10 +23,4 @@
#define OMAP4_CM_CLKSTCTRL 0x0000
#define OMAP4_CM_STATICDEP 0x0004
-/* Function prototypes */
-# ifndef __ASSEMBLER__
-
-extern int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg);
-
-# endif
#endif
diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c
index a482bfa0a954..eb2a472bbf46 100644
--- a/arch/arm/mach-omap2/cminst44xx.c
+++ b/arch/arm/mach-omap2/cminst44xx.c
@@ -2,6 +2,7 @@
* OMAP4 CM instance functions
*
* Copyright (C) 2009 Nokia Corporation
+ * Copyright (C) 2011 Texas Instruments, Inc.
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
@@ -32,6 +33,22 @@
#include "prm44xx.h"
#include "prcm_mpu44xx.h"
+/*
+ * CLKCTRL_IDLEST_*: possible values for the CM_*_CLKCTRL.IDLEST bitfield:
+ *
+ * 0x0 func: Module is fully functional, including OCP
+ * 0x1 trans: Module is performing transition: wakeup, or sleep, or sleep
+ * abortion
+ * 0x2 idle: Module is in Idle mode (only OCP part). It is functional if
+ * using separate functional clock
+ * 0x3 disabled: Module is disabled and cannot be accessed
+ *
+ */
+#define CLKCTRL_IDLEST_FUNCTIONAL 0x0
+#define CLKCTRL_IDLEST_INTRANSITION 0x1
+#define CLKCTRL_IDLEST_INTERFACE_IDLE 0x2
+#define CLKCTRL_IDLEST_DISABLED 0x3
+
static u32 _cm_bases[OMAP4_MAX_PRCM_PARTITIONS] = {
[OMAP4430_INVALID_PRCM_PARTITION] = 0,
[OMAP4430_PRM_PARTITION] = OMAP4430_PRM_BASE,
@@ -41,6 +58,48 @@ static u32 _cm_bases[OMAP4_MAX_PRCM_PARTITIONS] = {
[OMAP4430_PRCM_MPU_PARTITION] = OMAP4430_PRCM_MPU_BASE,
};
+/* Private functions */
+
+/**
+ * _clkctrl_idlest - read a CM_*_CLKCTRL register; mask & shift IDLEST bitfield
+ * @part: PRCM partition ID that the CM_CLKCTRL register exists in
+ * @inst: CM instance register offset (*_INST macro)
+ * @cdoffs: Clockdomain register offset (*_CDOFFS macro)
+ * @clkctrl_offs: Module clock control register offset (*_CLKCTRL macro)
+ *
+ * Return the IDLEST bitfield of a CM_*_CLKCTRL register, shifted down to
+ * bit 0.
+ */
+static u32 _clkctrl_idlest(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs)
+{
+ u32 v = omap4_cminst_read_inst_reg(part, inst, clkctrl_offs);
+ v &= OMAP4430_IDLEST_MASK;
+ v >>= OMAP4430_IDLEST_SHIFT;
+ return v;
+}
+
+/**
+ * _is_module_ready - can module registers be accessed without causing an abort?
+ * @part: PRCM partition ID that the CM_CLKCTRL register exists in
+ * @inst: CM instance register offset (*_INST macro)
+ * @cdoffs: Clockdomain register offset (*_CDOFFS macro)
+ * @clkctrl_offs: Module clock control register offset (*_CLKCTRL macro)
+ *
+ * Returns true if the module's CM_*_CLKCTRL.IDLEST bitfield is either
+ * *FUNCTIONAL or *INTERFACE_IDLE; false otherwise.
+ */
+static bool _is_module_ready(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs)
+{
+ u32 v;
+
+ v = _clkctrl_idlest(part, inst, cdoffs, clkctrl_offs);
+
+ return (v == CLKCTRL_IDLEST_FUNCTIONAL ||
+ v == CLKCTRL_IDLEST_INTERFACE_IDLE) ? true : false;
+}
+
+/* Public functions */
+
/* Read a register in a CM instance */
u32 omap4_cminst_read_inst_reg(u8 part, s16 inst, u16 idx)
{
@@ -200,36 +259,93 @@ void omap4_cminst_clkdm_force_wakeup(u8 part, s16 inst, u16 cdoffs)
*/
/**
- * omap4_cm_wait_module_ready - wait for a module to be in 'func' state
- * @clkctrl_reg: CLKCTRL module address
+ * omap4_cminst_wait_module_ready - wait for a module to be in 'func' state
+ * @part: PRCM partition ID that the CM_CLKCTRL register exists in
+ * @inst: CM instance register offset (*_INST macro)
+ * @cdoffs: Clockdomain register offset (*_CDOFFS macro)
+ * @clkctrl_offs: Module clock control register offset (*_CLKCTRL macro)
*
* Wait for the module IDLEST to be functional. If the idle state is in any
* the non functional state (trans, idle or disabled), module and thus the
* sysconfig cannot be accessed and will probably lead to an "imprecise
* external abort"
+ */
+int omap4_cminst_wait_module_ready(u8 part, u16 inst, s16 cdoffs,
+ u16 clkctrl_offs)
+{
+ int i = 0;
+
+ if (!clkctrl_offs)
+ return 0;
+
+ omap_test_timeout(_is_module_ready(part, inst, cdoffs, clkctrl_offs),
+ MAX_MODULE_READY_TIME, i);
+
+ return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
+}
+
+/**
+ * omap4_cminst_wait_module_idle - wait for a module to be in 'disabled'
+ * state
+ * @part: PRCM partition ID that the CM_CLKCTRL register exists in
+ * @inst: CM instance register offset (*_INST macro)
+ * @cdoffs: Clockdomain register offset (*_CDOFFS macro)
+ * @clkctrl_offs: Module clock control register offset (*_CLKCTRL macro)
*
- * Module idle state:
- * 0x0 func: Module is fully functional, including OCP
- * 0x1 trans: Module is performing transition: wakeup, or sleep, or sleep
- * abortion
- * 0x2 idle: Module is in Idle mode (only OCP part). It is functional if
- * using separate functional clock
- * 0x3 disabled: Module is disabled and cannot be accessed
- *
+ * Wait for the module IDLEST to be disabled. Some PRCM transition,
+ * like reset assertion or parent clock de-activation must wait the
+ * module to be fully disabled.
*/
-int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg)
+int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs)
{
int i = 0;
- if (!clkctrl_reg)
+ if (!clkctrl_offs)
return 0;
- omap_test_timeout((
- ((__raw_readl(clkctrl_reg) & OMAP4430_IDLEST_MASK) == 0) ||
- (((__raw_readl(clkctrl_reg) & OMAP4430_IDLEST_MASK) >>
- OMAP4430_IDLEST_SHIFT) == 0x2)),
- MAX_MODULE_READY_TIME, i);
+ omap_test_timeout((_clkctrl_idlest(part, inst, cdoffs, clkctrl_offs) ==
+ CLKCTRL_IDLEST_DISABLED),
+ MAX_MODULE_READY_TIME, i);
return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
}
+/**
+ * omap4_cminst_module_enable - Enable the modulemode inside CLKCTRL
+ * @mode: Module mode (SW or HW)
+ * @part: PRCM partition ID that the CM_CLKCTRL register exists in
+ * @inst: CM instance register offset (*_INST macro)
+ * @cdoffs: Clockdomain register offset (*_CDOFFS macro)
+ * @clkctrl_offs: Module clock control register offset (*_CLKCTRL macro)
+ *
+ * No return value.
+ */
+void omap4_cminst_module_enable(u8 mode, u8 part, u16 inst, s16 cdoffs,
+ u16 clkctrl_offs)
+{
+ u32 v;
+
+ v = omap4_cminst_read_inst_reg(part, inst, clkctrl_offs);
+ v &= ~OMAP4430_MODULEMODE_MASK;
+ v |= mode << OMAP4430_MODULEMODE_SHIFT;
+ omap4_cminst_write_inst_reg(v, part, inst, clkctrl_offs);
+}
+
+/**
+ * omap4_cminst_module_disable - Disable the module inside CLKCTRL
+ * @part: PRCM partition ID that the CM_CLKCTRL register exists in
+ * @inst: CM instance register offset (*_INST macro)
+ * @cdoffs: Clockdomain register offset (*_CDOFFS macro)
+ * @clkctrl_offs: Module clock control register offset (*_CLKCTRL macro)
+ *
+ * No return value.
+ */
+void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs,
+ u16 clkctrl_offs)
+{
+ u32 v;
+
+ v = omap4_cminst_read_inst_reg(part, inst, clkctrl_offs);
+ v &= ~OMAP4430_MODULEMODE_MASK;
+ omap4_cminst_write_inst_reg(v, part, inst, clkctrl_offs);
+}
diff --git a/arch/arm/mach-omap2/cminst44xx.h b/arch/arm/mach-omap2/cminst44xx.h
index 2b32c181a2ee..f2ea6453ade0 100644
--- a/arch/arm/mach-omap2/cminst44xx.h
+++ b/arch/arm/mach-omap2/cminst44xx.h
@@ -17,6 +17,14 @@ extern void omap4_cminst_clkdm_disable_hwsup(u8 part, s16 inst, u16 cdoffs);
extern void omap4_cminst_clkdm_force_sleep(u8 part, s16 inst, u16 cdoffs);
extern void omap4_cminst_clkdm_force_wakeup(u8 part, s16 inst, u16 cdoffs);
+extern int omap4_cminst_wait_module_ready(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs);
+extern int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs);
+
+extern void omap4_cminst_module_enable(u8 mode, u8 part, u16 inst, s16 cdoffs,
+ u16 clkctrl_offs);
+extern void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs,
+ u16 clkctrl_offs);
+
/*
* In an ideal world, we would not export these low-level functions,
* but this will probably take some time to fix properly
@@ -32,6 +40,4 @@ extern u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst,
extern u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx,
u32 mask);
-extern int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg);
-
#endif
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 02b6016393a8..84cc0bdda3ae 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -146,9 +146,10 @@
#include <plat/prcm.h>
#include "cm2xxx_3xxx.h"
-#include "cm44xx.h"
+#include "cminst44xx.h"
#include "prm2xxx_3xxx.h"
#include "prm44xx.h"
+#include "prminst44xx.h"
#include "mux.h"
/* Maximum microseconds to wait for OMAP module to softreset */
@@ -679,6 +680,56 @@ static void _disable_optional_clocks(struct omap_hwmod *oh)
}
/**
+ * _enable_module - enable CLKCTRL modulemode on OMAP4
+ * @oh: struct omap_hwmod *
+ *
+ * Enables the PRCM module mode related to the hwmod @oh.
+ * No return value.
+ */
+static void _enable_module(struct omap_hwmod *oh)
+{
+ /* The module mode does not exist prior OMAP4 */
+ if (cpu_is_omap24xx() || cpu_is_omap34xx())
+ return;
+
+ if (!oh->clkdm || !oh->prcm.omap4.modulemode)
+ return;
+
+ pr_debug("omap_hwmod: %s: _enable_module: %d\n",
+ oh->name, oh->prcm.omap4.modulemode);
+
+ omap4_cminst_module_enable(oh->prcm.omap4.modulemode,
+ oh->clkdm->prcm_partition,
+ oh->clkdm->cm_inst,
+ oh->clkdm->clkdm_offs,
+ oh->prcm.omap4.clkctrl_offs);
+}
+
+/**
+ * _disable_module - enable CLKCTRL modulemode on OMAP4
+ * @oh: struct omap_hwmod *
+ *
+ * Disable the PRCM module mode related to the hwmod @oh.
+ * No return value.
+ */
+static void _disable_module(struct omap_hwmod *oh)
+{
+ /* The module mode does not exist prior OMAP4 */
+ if (cpu_is_omap24xx() || cpu_is_omap34xx())
+ return;
+
+ if (!oh->clkdm || !oh->prcm.omap4.modulemode)
+ return;
+
+ pr_debug("omap_hwmod: %s: _disable_module\n", oh->name);
+
+ omap4_cminst_module_disable(oh->clkdm->prcm_partition,
+ oh->clkdm->cm_inst,
+ oh->clkdm->clkdm_offs,
+ oh->prcm.omap4.clkctrl_offs);
+}
+
+/**
* _count_mpu_irqs - count the number of MPU IRQ lines associated with @oh
* @oh: struct omap_hwmod *oh
*
@@ -990,9 +1041,40 @@ static struct omap_hwmod *_lookup(const char *name)
return oh;
}
+/**
+ * _init_clkdm - look up a clockdomain name, store pointer in omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Convert a clockdomain name stored in a struct omap_hwmod into a
+ * clockdomain pointer, and save it into the struct omap_hwmod.
+ * return -EINVAL if clkdm_name does not exist or if the lookup failed.
+ */
+static int _init_clkdm(struct omap_hwmod *oh)
+{
+ if (cpu_is_omap24xx() || cpu_is_omap34xx())
+ return 0;
+
+ if (!oh->clkdm_name) {
+ pr_warning("omap_hwmod: %s: no clkdm_name\n", oh->name);
+ return -EINVAL;
+ }
+
+ oh->clkdm = clkdm_lookup(oh->clkdm_name);
+ if (!oh->clkdm) {
+ pr_warning("omap_hwmod: %s: could not associate to clkdm %s\n",
+ oh->name, oh->clkdm_name);
+ return -EINVAL;
+ }
+
+ pr_debug("omap_hwmod: %s: associated to clkdm %s\n",
+ oh->name, oh->clkdm_name);
+
+ return 0;
+}
/**
- * _init_clocks - clk_get() all clocks associated with this hwmod
+ * _init_clocks - clk_get() all clocks associated with this hwmod. Retrieve as
+ * well the clockdomain.
* @oh: struct omap_hwmod *
* @data: not used; pass NULL
*
@@ -1012,6 +1094,7 @@ static int _init_clocks(struct omap_hwmod *oh, void *data)
ret |= _init_main_clk(oh);
ret |= _init_interface_clks(oh);
ret |= _init_opt_clks(oh);
+ ret |= _init_clkdm(oh);
if (!ret)
oh->_state = _HWMOD_STATE_CLKS_INITED;
@@ -1028,7 +1111,7 @@ static int _init_clocks(struct omap_hwmod *oh, void *data)
* Wait for a module @oh to leave slave idle. Returns 0 if the module
* does not have an IDLEST bit or if the module successfully leaves
* slave idle; otherwise, pass along the return value of the
- * appropriate *_cm_wait_module_ready() function.
+ * appropriate *_cm*_wait_module_ready() function.
*/
static int _wait_target_ready(struct omap_hwmod *oh)
{
@@ -1055,7 +1138,13 @@ static int _wait_target_ready(struct omap_hwmod *oh)
oh->prcm.omap2.idlest_reg_id,
oh->prcm.omap2.idlest_idle_bit);
} else if (cpu_is_omap44xx()) {
- ret = omap4_cm_wait_module_ready(oh->prcm.omap4.clkctrl_reg);
+ if (!oh->clkdm)
+ return -EINVAL;
+
+ ret = omap4_cminst_wait_module_ready(oh->clkdm->prcm_partition,
+ oh->clkdm->cm_inst,
+ oh->clkdm->clkdm_offs,
+ oh->prcm.omap4.clkctrl_offs);
} else {
BUG();
};
@@ -1064,6 +1153,36 @@ static int _wait_target_ready(struct omap_hwmod *oh)
}
/**
+ * _wait_target_disable - wait for a module to be disabled
+ * @oh: struct omap_hwmod *
+ *
+ * Wait for a module @oh to enter slave idle. Returns 0 if the module
+ * does not have an IDLEST bit or if the module successfully enters
+ * slave idle; otherwise, pass along the return value of the
+ * appropriate *_cm*_wait_module_idle() function.
+ */
+static int _wait_target_disable(struct omap_hwmod *oh)
+{
+ /* TODO: For now just handle OMAP4+ */
+ if (cpu_is_omap24xx() || cpu_is_omap34xx())
+ return 0;
+
+ if (!oh)
+ return -EINVAL;
+
+ if (oh->_int_flags & _HWMOD_NO_MPU_PORT)
+ return 0;
+
+ if (oh->flags & HWMOD_NO_IDLEST)
+ return 0;
+
+ return omap4_cminst_wait_module_idle(oh->clkdm->prcm_partition,
+ oh->clkdm->cm_inst,
+ oh->clkdm->clkdm_offs,
+ oh->prcm.omap4.clkctrl_offs);
+}
+
+/**
* _lookup_hardreset - fill register bit info for this hwmod/reset line
* @oh: struct omap_hwmod *
* @name: name of the reset line in the context of this hwmod
@@ -1119,8 +1238,10 @@ static int _assert_hardreset(struct omap_hwmod *oh, const char *name)
return omap2_prm_assert_hardreset(oh->prcm.omap2.module_offs,
ohri.rst_shift);
else if (cpu_is_omap44xx())
- return omap4_prm_assert_hardreset(oh->prcm.omap4.rstctrl_reg,
- ohri.rst_shift);
+ return omap4_prminst_assert_hardreset(ohri.rst_shift,
+ oh->clkdm->pwrdm.ptr->prcm_partition,
+ oh->clkdm->pwrdm.ptr->prcm_offs,
+ oh->prcm.omap4.rstctrl_offs);
else
return -EINVAL;
}
@@ -1155,8 +1276,10 @@ static int _deassert_hardreset(struct omap_hwmod *oh, const char *name)
if (ohri.st_shift)
pr_err("omap_hwmod: %s: %s: hwmod data error: OMAP4 does not support st_shift\n",
oh->name, name);
- ret = omap4_prm_deassert_hardreset(oh->prcm.omap4.rstctrl_reg,
- ohri.rst_shift);
+ ret = omap4_prminst_deassert_hardreset(ohri.rst_shift,
+ oh->clkdm->pwrdm.ptr->prcm_partition,
+ oh->clkdm->pwrdm.ptr->prcm_offs,
+ oh->prcm.omap4.rstctrl_offs);
} else {
return -EINVAL;
}
@@ -1191,8 +1314,10 @@ static int _read_hardreset(struct omap_hwmod *oh, const char *name)
return omap2_prm_is_hardreset_asserted(oh->prcm.omap2.module_offs,
ohri.st_shift);
} else if (cpu_is_omap44xx()) {
- return omap4_prm_is_hardreset_asserted(oh->prcm.omap4.rstctrl_reg,
- ohri.rst_shift);
+ return omap4_prminst_is_hardreset_asserted(ohri.rst_shift,
+ oh->clkdm->pwrdm.ptr->prcm_partition,
+ oh->clkdm->pwrdm.ptr->prcm_offs,
+ oh->prcm.omap4.rstctrl_offs);
} else {
return -EINVAL;
}
@@ -1312,6 +1437,7 @@ static int _reset(struct omap_hwmod *oh)
static int _enable(struct omap_hwmod *oh)
{
int r;
+ int hwsup = 0;
pr_debug("omap_hwmod: %s: enabling\n", oh->name);
@@ -1323,14 +1449,6 @@ static int _enable(struct omap_hwmod *oh)
return -EINVAL;
}
- /* Mux pins for device runtime if populated */
- if (oh->mux && (!oh->mux->enabled ||
- ((oh->_state == _HWMOD_STATE_IDLE) &&
- oh->mux->pads_dynamic)))
- omap_hwmod_mux(oh->mux, _HWMOD_STATE_ENABLED);
-
- _add_initiator_dep(oh, mpu_oh);
- _enable_clocks(oh);
/*
* If an IP contains only one HW reset line, then de-assert it in order
@@ -1341,22 +1459,56 @@ static int _enable(struct omap_hwmod *oh)
oh->_state == _HWMOD_STATE_DISABLED) && oh->rst_lines_cnt == 1)
_deassert_hardreset(oh, oh->rst_lines[0].name);
- r = _wait_target_ready(oh);
- if (r) {
- pr_debug("omap_hwmod: %s: _wait_target_ready: %d\n",
- oh->name, r);
- _disable_clocks(oh);
+ /* Mux pins for device runtime if populated */
+ if (oh->mux && (!oh->mux->enabled ||
+ ((oh->_state == _HWMOD_STATE_IDLE) &&
+ oh->mux->pads_dynamic)))
+ omap_hwmod_mux(oh->mux, _HWMOD_STATE_ENABLED);
- return r;
+ _add_initiator_dep(oh, mpu_oh);
+
+ if (oh->clkdm) {
+ /*
+ * A clockdomain must be in SW_SUP before enabling
+ * completely the module. The clockdomain can be set
+ * in HW_AUTO only when the module become ready.
+ */
+ hwsup = clkdm_in_hwsup(oh->clkdm);
+ r = clkdm_hwmod_enable(oh->clkdm, oh);
+ if (r) {
+ WARN(1, "omap_hwmod: %s: could not enable clockdomain %s: %d\n",
+ oh->name, oh->clkdm->name, r);
+ return r;
+ }
}
- oh->_state = _HWMOD_STATE_ENABLED;
+ _enable_clocks(oh);
+ _enable_module(oh);
- /* Access the sysconfig only if the target is ready */
- if (oh->class->sysc) {
- if (!(oh->_int_flags & _HWMOD_SYSCONFIG_LOADED))
- _update_sysc_cache(oh);
- _enable_sysc(oh);
+ r = _wait_target_ready(oh);
+ if (!r) {
+ /*
+ * Set the clockdomain to HW_AUTO only if the target is ready,
+ * assuming that the previous state was HW_AUTO
+ */
+ if (oh->clkdm && hwsup)
+ clkdm_allow_idle(oh->clkdm);
+
+ oh->_state = _HWMOD_STATE_ENABLED;
+
+ /* Access the sysconfig only if the target is ready */
+ if (oh->class->sysc) {
+ if (!(oh->_int_flags & _HWMOD_SYSCONFIG_LOADED))
+ _update_sysc_cache(oh);
+ _enable_sysc(oh);
+ }
+ } else {
+ _disable_clocks(oh);
+ pr_debug("omap_hwmod: %s: _wait_target_ready: %d\n",
+ oh->name, r);
+
+ if (oh->clkdm)
+ clkdm_hwmod_disable(oh->clkdm, oh);
}
return r;
@@ -1372,6 +1524,8 @@ static int _enable(struct omap_hwmod *oh)
*/
static int _idle(struct omap_hwmod *oh)
{
+ int ret;
+
pr_debug("omap_hwmod: %s: idling\n", oh->name);
if (oh->_state != _HWMOD_STATE_ENABLED) {
@@ -1383,7 +1537,20 @@ static int _idle(struct omap_hwmod *oh)
if (oh->class->sysc)
_idle_sysc(oh);
_del_initiator_dep(oh, mpu_oh);
+ _disable_module(oh);
+ ret = _wait_target_disable(oh);
+ if (ret)
+ pr_warn("omap_hwmod: %s: _wait_target_disable failed\n",
+ oh->name);
+ /*
+ * The module must be in idle mode before disabling any parents
+ * clocks. Otherwise, the parent clock might be disabled before
+ * the module transition is done, and thus will prevent the
+ * transition to complete properly.
+ */
_disable_clocks(oh);
+ if (oh->clkdm)
+ clkdm_hwmod_disable(oh->clkdm, oh);
/* Mux pins for device idle if populated */
if (oh->mux && oh->mux->pads_dynamic)
@@ -1475,7 +1642,14 @@ static int _shutdown(struct omap_hwmod *oh)
if (oh->_state == _HWMOD_STATE_ENABLED) {
_del_initiator_dep(oh, mpu_oh);
/* XXX what about the other system initiators here? dma, dsp */
+ _disable_module(oh);
+ ret = _wait_target_disable(oh);
+ if (ret)
+ pr_warn("omap_hwmod: %s: _wait_target_disable failed\n",
+ oh->name);
_disable_clocks(oh);
+ if (oh->clkdm)
+ clkdm_hwmod_disable(oh->clkdm, oh);
}
/* XXX Should this code also force-disable the optional clocks? */
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 5d5df49749df..6201422c0606 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -123,9 +123,16 @@ static struct omap_hwmod_ocp_if *omap44xx_dmm_slaves[] = {
static struct omap_hwmod omap44xx_dmm_hwmod = {
.name = "dmm",
.class = &omap44xx_dmm_hwmod_class,
- .mpu_irqs = omap44xx_dmm_irqs,
+ .clkdm_name = "l3_emif_clkdm",
+ .prcm = {
+ .omap4 = {
+ .clkctrl_offs = OMAP4_CM_MEMIF_DMM_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_MEMIF_DMM_CONTEXT_OFFSET,
+ },
+ },
.slaves = omap44xx_dmm_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_dmm_slaves),
+ .mpu_irqs = omap44xx_dmm_irqs,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
@@ -173,6 +180,13 @@ static struct omap_hwmod_ocp_if *omap44xx_emif_fw_slaves[] = {
static struct omap_hwmod omap44xx_emif_fw_hwmod = {
.name = "emif_fw",
.class = &omap44xx_emif_fw_hwmod_class,
+ .clkdm_name = "l3_emif_clkdm",
+ .prcm = {
+ .omap4 = {
+ .clkctrl_offs = OMAP4_CM_MEMIF_EMIF_FW_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_MEMIF_EMIF_FW_CONTEXT_OFFSET,
+ },
+ },
.slaves = omap44xx_emif_fw_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_emif_fw_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -212,6 +226,14 @@ static struct omap_hwmod_ocp_if *omap44xx_l3_instr_slaves[] = {
static struct omap_hwmod omap44xx_l3_instr_hwmod = {
.name = "l3_instr",
.class = &omap44xx_l3_hwmod_class,
+ .clkdm_name = "l3_instr_clkdm",
+ .prcm = {
+ .omap4 = {
+ .clkctrl_offs = OMAP4_CM_L3INSTR_L3_INSTR_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L3INSTR_L3_INSTR_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
+ },
+ },
.slaves = omap44xx_l3_instr_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_l3_instr_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -304,7 +326,14 @@ static struct omap_hwmod_ocp_if *omap44xx_l3_main_1_slaves[] = {
static struct omap_hwmod omap44xx_l3_main_1_hwmod = {
.name = "l3_main_1",
.class = &omap44xx_l3_hwmod_class,
+ .clkdm_name = "l3_1_clkdm",
.mpu_irqs = omap44xx_l3_main_1_irqs,
+ .prcm = {
+ .omap4 = {
+ .clkctrl_offs = OMAP4_CM_L3_1_L3_1_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L3_1_L3_1_CONTEXT_OFFSET,
+ },
+ },
.slaves = omap44xx_l3_main_1_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_l3_main_1_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -400,6 +429,13 @@ static struct omap_hwmod_ocp_if *omap44xx_l3_main_2_slaves[] = {
static struct omap_hwmod omap44xx_l3_main_2_hwmod = {
.name = "l3_main_2",
.class = &omap44xx_l3_hwmod_class,
+ .clkdm_name = "l3_2_clkdm",
+ .prcm = {
+ .omap4 = {
+ .clkctrl_offs = OMAP4_CM_L3_2_L3_2_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L3_2_L3_2_CONTEXT_OFFSET,
+ },
+ },
.slaves = omap44xx_l3_main_2_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_l3_main_2_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -450,6 +486,14 @@ static struct omap_hwmod_ocp_if *omap44xx_l3_main_3_slaves[] = {
static struct omap_hwmod omap44xx_l3_main_3_hwmod = {
.name = "l3_main_3",
.class = &omap44xx_l3_hwmod_class,
+ .clkdm_name = "l3_instr_clkdm",
+ .prcm = {
+ .omap4 = {
+ .clkctrl_offs = OMAP4_CM_L3INSTR_L3_3_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L3INSTR_L3_3_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
+ },
+ },
.slaves = omap44xx_l3_main_3_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_l3_main_3_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -507,6 +551,12 @@ static struct omap_hwmod_ocp_if *omap44xx_l4_abe_slaves[] = {
static struct omap_hwmod omap44xx_l4_abe_hwmod = {
.name = "l4_abe",
.class = &omap44xx_l4_hwmod_class,
+ .clkdm_name = "abe_clkdm",
+ .prcm = {
+ .omap4 = {
+ .clkctrl_offs = OMAP4_CM1_ABE_L4ABE_CLKCTRL_OFFSET,
+ },
+ },
.slaves = omap44xx_l4_abe_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_l4_abe_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -529,6 +579,13 @@ static struct omap_hwmod_ocp_if *omap44xx_l4_cfg_slaves[] = {
static struct omap_hwmod omap44xx_l4_cfg_hwmod = {
.name = "l4_cfg",
.class = &omap44xx_l4_hwmod_class,
+ .clkdm_name = "l4_cfg_clkdm",
+ .prcm = {
+ .omap4 = {
+ .clkctrl_offs = OMAP4_CM_L4CFG_L4_CFG_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4CFG_L4_CFG_CONTEXT_OFFSET,
+ },
+ },
.slaves = omap44xx_l4_cfg_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_l4_cfg_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -551,6 +608,13 @@ static struct omap_hwmod_ocp_if *omap44xx_l4_per_slaves[] = {
static struct omap_hwmod omap44xx_l4_per_hwmod = {
.name = "l4_per",
.class = &omap44xx_l4_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
+ .prcm = {
+ .omap4 = {
+ .clkctrl_offs = OMAP4_CM_L4PER_L4PER_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_L4_PER_CONTEXT_OFFSET,
+ },
+ },
.slaves = omap44xx_l4_per_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_l4_per_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -573,6 +637,13 @@ static struct omap_hwmod_ocp_if *omap44xx_l4_wkup_slaves[] = {
static struct omap_hwmod omap44xx_l4_wkup_hwmod = {
.name = "l4_wkup",
.class = &omap44xx_l4_hwmod_class,
+ .clkdm_name = "l4_wkup_clkdm",
+ .prcm = {
+ .omap4 = {
+ .clkctrl_offs = OMAP4_CM_WKUP_L4WKUP_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_WKUP_L4WKUP_CONTEXT_OFFSET,
+ },
+ },
.slaves = omap44xx_l4_wkup_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_l4_wkup_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -603,6 +674,7 @@ static struct omap_hwmod_ocp_if *omap44xx_mpu_private_slaves[] = {
static struct omap_hwmod omap44xx_mpu_private_hwmod = {
.name = "mpu_private",
.class = &omap44xx_mpu_bus_hwmod_class,
+ .clkdm_name = "mpuss_clkdm",
.slaves = omap44xx_mpu_private_slaves,
.slaves_cnt = ARRAY_SIZE(omap44xx_mpu_private_slaves),
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -741,12 +813,15 @@ static struct omap_hwmod_ocp_if *omap44xx_aess_slaves[] = {
static struct omap_hwmod omap44xx_aess_hwmod = {
.name = "aess",
.class = &omap44xx_aess_hwmod_class,
+ .clkdm_name = "abe_clkdm",
.mpu_irqs = omap44xx_aess_irqs,
.sdma_reqs = omap44xx_aess_sdma_reqs,
.main_clk = "aess_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM1_ABE_AESS_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM1_ABE_AESS_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ABE_AESS_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_aess_slaves,
@@ -773,9 +848,10 @@ static struct omap_hwmod_opt_clk bandgap_opt_clks[] = {
static struct omap_hwmod omap44xx_bandgap_hwmod = {
.name = "bandgap",
.class = &omap44xx_bandgap_hwmod_class,
+ .clkdm_name = "l4_wkup_clkdm",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_WKUP_BANDGAP_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_WKUP_BANDGAP_CLKCTRL_OFFSET,
},
},
.opt_clks = bandgap_opt_clks,
@@ -830,11 +906,13 @@ static struct omap_hwmod_ocp_if *omap44xx_counter_32k_slaves[] = {
static struct omap_hwmod omap44xx_counter_32k_hwmod = {
.name = "counter_32k",
.class = &omap44xx_counter_hwmod_class,
+ .clkdm_name = "l4_wkup_clkdm",
.flags = HWMOD_SWSUP_SIDLE,
.main_clk = "sys_32k_ck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_WKUP_SYNCTIMER_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_WKUP_SYNCTIMER_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_WKUP_SYNCTIMER_CONTEXT_OFFSET,
},
},
.slaves = omap44xx_counter_32k_slaves,
@@ -913,11 +991,13 @@ static struct omap_hwmod_ocp_if *omap44xx_dma_system_slaves[] = {
static struct omap_hwmod omap44xx_dma_system_hwmod = {
.name = "dma_system",
.class = &omap44xx_dma_hwmod_class,
+ .clkdm_name = "l3_dma_clkdm",
.mpu_irqs = omap44xx_dma_system_irqs,
.main_clk = "l3_div_ck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_SDMA_SDMA_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_SDMA_SDMA_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_SDMA_SDMA_CONTEXT_OFFSET,
},
},
.dev_attr = &dma_dev_attr,
@@ -1005,12 +1085,15 @@ static struct omap_hwmod_ocp_if *omap44xx_dmic_slaves[] = {
static struct omap_hwmod omap44xx_dmic_hwmod = {
.name = "dmic",
.class = &omap44xx_dmic_hwmod_class,
+ .clkdm_name = "abe_clkdm",
.mpu_irqs = omap44xx_dmic_irqs,
.sdma_reqs = omap44xx_dmic_sdma_reqs,
.main_clk = "dmic_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM1_ABE_DMIC_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM1_ABE_DMIC_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ABE_DMIC_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_dmic_slaves,
@@ -1072,12 +1155,13 @@ static struct omap_hwmod_ocp_if *omap44xx_dsp_slaves[] = {
static struct omap_hwmod omap44xx_dsp_c0_hwmod = {
.name = "dsp_c0",
.class = &omap44xx_dsp_hwmod_class,
+ .clkdm_name = "tesla_clkdm",
.flags = HWMOD_INIT_NO_RESET,
.rst_lines = omap44xx_dsp_c0_resets,
.rst_lines_cnt = ARRAY_SIZE(omap44xx_dsp_c0_resets),
.prcm = {
.omap4 = {
- .rstctrl_reg = OMAP4430_RM_TESLA_RSTCTRL,
+ .rstctrl_offs = OMAP4_RM_TESLA_RSTCTRL_OFFSET,
},
},
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -1086,14 +1170,17 @@ static struct omap_hwmod omap44xx_dsp_c0_hwmod = {
static struct omap_hwmod omap44xx_dsp_hwmod = {
.name = "dsp",
.class = &omap44xx_dsp_hwmod_class,
+ .clkdm_name = "tesla_clkdm",
.mpu_irqs = omap44xx_dsp_irqs,
.rst_lines = omap44xx_dsp_resets,
.rst_lines_cnt = ARRAY_SIZE(omap44xx_dsp_resets),
.main_clk = "dsp_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_TESLA_TESLA_CLKCTRL,
- .rstctrl_reg = OMAP4430_RM_TESLA_RSTCTRL,
+ .clkctrl_offs = OMAP4_CM_TESLA_TESLA_CLKCTRL_OFFSET,
+ .rstctrl_offs = OMAP4_RM_TESLA_RSTCTRL_OFFSET,
+ .context_offs = OMAP4_RM_TESLA_TESLA_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
},
},
.slaves = omap44xx_dsp_slaves,
@@ -1177,10 +1264,12 @@ static struct omap_hwmod_opt_clk dss_opt_clks[] = {
static struct omap_hwmod omap44xx_dss_hwmod = {
.name = "dss_core",
.class = &omap44xx_dss_hwmod_class,
+ .clkdm_name = "l3_dss_clkdm",
.main_clk = "dss_dss_clk",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_DSS_DSS_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_DSS_DSS_CONTEXT_OFFSET,
},
},
.opt_clks = dss_opt_clks,
@@ -1278,13 +1367,14 @@ static struct omap_hwmod_opt_clk dss_dispc_opt_clks[] = {
static struct omap_hwmod omap44xx_dss_dispc_hwmod = {
.name = "dss_dispc",
.class = &omap44xx_dispc_hwmod_class,
- .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET,
+ .clkdm_name = "l3_dss_clkdm",
.mpu_irqs = omap44xx_dss_dispc_irqs,
.sdma_reqs = omap44xx_dss_dispc_sdma_reqs,
.main_clk = "dss_dss_clk",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_DSS_DSS_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_DSS_DSS_CONTEXT_OFFSET,
},
},
.opt_clks = dss_dispc_opt_clks,
@@ -1376,12 +1466,14 @@ static struct omap_hwmod_opt_clk dss_dsi1_opt_clks[] = {
static struct omap_hwmod omap44xx_dss_dsi1_hwmod = {
.name = "dss_dsi1",
.class = &omap44xx_dsi_hwmod_class,
+ .clkdm_name = "l3_dss_clkdm",
.mpu_irqs = omap44xx_dss_dsi1_irqs,
.sdma_reqs = omap44xx_dss_dsi1_sdma_reqs,
.main_clk = "dss_dss_clk",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_DSS_DSS_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_DSS_DSS_CONTEXT_OFFSET,
},
},
.opt_clks = dss_dsi1_opt_clks,
@@ -1452,12 +1544,14 @@ static struct omap_hwmod_opt_clk dss_dsi2_opt_clks[] = {
static struct omap_hwmod omap44xx_dss_dsi2_hwmod = {
.name = "dss_dsi2",
.class = &omap44xx_dsi_hwmod_class,
+ .clkdm_name = "l3_dss_clkdm",
.mpu_irqs = omap44xx_dss_dsi2_irqs,
.sdma_reqs = omap44xx_dss_dsi2_sdma_reqs,
.main_clk = "dss_dss_clk",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_DSS_DSS_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_DSS_DSS_CONTEXT_OFFSET,
},
},
.opt_clks = dss_dsi2_opt_clks,
@@ -1548,12 +1642,14 @@ static struct omap_hwmod_opt_clk dss_hdmi_opt_clks[] = {
static struct omap_hwmod omap44xx_dss_hdmi_hwmod = {
.name = "dss_hdmi",
.class = &omap44xx_hdmi_hwmod_class,
+ .clkdm_name = "l3_dss_clkdm",
.mpu_irqs = omap44xx_dss_hdmi_irqs,
.sdma_reqs = omap44xx_dss_hdmi_sdma_reqs,
.main_clk = "dss_dss_clk",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_DSS_DSS_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_DSS_DSS_CONTEXT_OFFSET,
},
},
.opt_clks = dss_hdmi_opt_clks,
@@ -1639,11 +1735,13 @@ static struct omap_hwmod_opt_clk dss_rfbi_opt_clks[] = {
static struct omap_hwmod omap44xx_dss_rfbi_hwmod = {
.name = "dss_rfbi",
.class = &omap44xx_rfbi_hwmod_class,
+ .clkdm_name = "l3_dss_clkdm",
.sdma_reqs = omap44xx_dss_rfbi_sdma_reqs,
.main_clk = "dss_dss_clk",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_DSS_DSS_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_DSS_DSS_CONTEXT_OFFSET,
},
},
.opt_clks = dss_rfbi_opt_clks,
@@ -1709,10 +1807,12 @@ static struct omap_hwmod_ocp_if *omap44xx_dss_venc_slaves[] = {
static struct omap_hwmod omap44xx_dss_venc_hwmod = {
.name = "dss_venc",
.class = &omap44xx_venc_hwmod_class,
+ .clkdm_name = "l3_dss_clkdm",
.main_clk = "dss_dss_clk",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_DSS_DSS_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_DSS_DSS_CONTEXT_OFFSET,
},
},
.slaves = omap44xx_dss_venc_slaves,
@@ -1786,11 +1886,14 @@ static struct omap_hwmod_opt_clk gpio1_opt_clks[] = {
static struct omap_hwmod omap44xx_gpio1_hwmod = {
.name = "gpio1",
.class = &omap44xx_gpio_hwmod_class,
+ .clkdm_name = "l4_wkup_clkdm",
.mpu_irqs = omap44xx_gpio1_irqs,
.main_clk = "gpio1_ick",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_WKUP_GPIO1_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_WKUP_GPIO1_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_WKUP_GPIO1_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
},
},
.opt_clks = gpio1_opt_clks,
@@ -1838,12 +1941,15 @@ static struct omap_hwmod_opt_clk gpio2_opt_clks[] = {
static struct omap_hwmod omap44xx_gpio2_hwmod = {
.name = "gpio2",
.class = &omap44xx_gpio_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET,
.mpu_irqs = omap44xx_gpio2_irqs,
.main_clk = "gpio2_ick",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_GPIO2_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_GPIO2_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_GPIO2_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
},
},
.opt_clks = gpio2_opt_clks,
@@ -1891,12 +1997,15 @@ static struct omap_hwmod_opt_clk gpio3_opt_clks[] = {
static struct omap_hwmod omap44xx_gpio3_hwmod = {
.name = "gpio3",
.class = &omap44xx_gpio_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET,
.mpu_irqs = omap44xx_gpio3_irqs,
.main_clk = "gpio3_ick",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_GPIO3_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_GPIO3_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_GPIO3_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
},
},
.opt_clks = gpio3_opt_clks,
@@ -1944,12 +2053,15 @@ static struct omap_hwmod_opt_clk gpio4_opt_clks[] = {
static struct omap_hwmod omap44xx_gpio4_hwmod = {
.name = "gpio4",
.class = &omap44xx_gpio_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET,
.mpu_irqs = omap44xx_gpio4_irqs,
.main_clk = "gpio4_ick",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_GPIO4_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_GPIO4_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_GPIO4_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
},
},
.opt_clks = gpio4_opt_clks,
@@ -1997,12 +2109,15 @@ static struct omap_hwmod_opt_clk gpio5_opt_clks[] = {
static struct omap_hwmod omap44xx_gpio5_hwmod = {
.name = "gpio5",
.class = &omap44xx_gpio_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET,
.mpu_irqs = omap44xx_gpio5_irqs,
.main_clk = "gpio5_ick",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_GPIO5_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_GPIO5_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_GPIO5_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
},
},
.opt_clks = gpio5_opt_clks,
@@ -2050,12 +2165,15 @@ static struct omap_hwmod_opt_clk gpio6_opt_clks[] = {
static struct omap_hwmod omap44xx_gpio6_hwmod = {
.name = "gpio6",
.class = &omap44xx_gpio_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET,
.mpu_irqs = omap44xx_gpio6_irqs,
.main_clk = "gpio6_ick",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_GPIO6_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_GPIO6_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_GPIO6_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
},
},
.opt_clks = gpio6_opt_clks,
@@ -2129,11 +2247,14 @@ static struct omap_hwmod_ocp_if *omap44xx_hsi_slaves[] = {
static struct omap_hwmod omap44xx_hsi_hwmod = {
.name = "hsi",
.class = &omap44xx_hsi_hwmod_class,
+ .clkdm_name = "l3_init_clkdm",
.mpu_irqs = omap44xx_hsi_irqs,
.main_clk = "hsi_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L3INIT_HSI_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L3INIT_HSI_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L3INIT_HSI_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
},
},
.slaves = omap44xx_hsi_slaves,
@@ -2209,13 +2330,16 @@ static struct omap_hwmod_ocp_if *omap44xx_i2c1_slaves[] = {
static struct omap_hwmod omap44xx_i2c1_hwmod = {
.name = "i2c1",
.class = &omap44xx_i2c_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.flags = HWMOD_16BIT_REG,
.mpu_irqs = omap44xx_i2c1_irqs,
.sdma_reqs = omap44xx_i2c1_sdma_reqs,
.main_clk = "i2c1_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_I2C1_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_I2C1_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_I2C1_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_i2c1_slaves,
@@ -2263,13 +2387,16 @@ static struct omap_hwmod_ocp_if *omap44xx_i2c2_slaves[] = {
static struct omap_hwmod omap44xx_i2c2_hwmod = {
.name = "i2c2",
.class = &omap44xx_i2c_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.flags = HWMOD_16BIT_REG,
.mpu_irqs = omap44xx_i2c2_irqs,
.sdma_reqs = omap44xx_i2c2_sdma_reqs,
.main_clk = "i2c2_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_I2C2_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_I2C2_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_I2C2_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_i2c2_slaves,
@@ -2317,13 +2444,16 @@ static struct omap_hwmod_ocp_if *omap44xx_i2c3_slaves[] = {
static struct omap_hwmod omap44xx_i2c3_hwmod = {
.name = "i2c3",
.class = &omap44xx_i2c_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.flags = HWMOD_16BIT_REG,
.mpu_irqs = omap44xx_i2c3_irqs,
.sdma_reqs = omap44xx_i2c3_sdma_reqs,
.main_clk = "i2c3_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_I2C3_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_I2C3_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_I2C3_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_i2c3_slaves,
@@ -2371,13 +2501,16 @@ static struct omap_hwmod_ocp_if *omap44xx_i2c4_slaves[] = {
static struct omap_hwmod omap44xx_i2c4_hwmod = {
.name = "i2c4",
.class = &omap44xx_i2c_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.flags = HWMOD_16BIT_REG,
.mpu_irqs = omap44xx_i2c4_irqs,
.sdma_reqs = omap44xx_i2c4_sdma_reqs,
.main_clk = "i2c4_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_I2C4_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_I2C4_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_I2C4_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_i2c4_slaves,
@@ -2435,12 +2568,13 @@ static struct omap_hwmod_ocp_if *omap44xx_ipu_slaves[] = {
static struct omap_hwmod omap44xx_ipu_c0_hwmod = {
.name = "ipu_c0",
.class = &omap44xx_ipu_hwmod_class,
+ .clkdm_name = "ducati_clkdm",
.flags = HWMOD_INIT_NO_RESET,
.rst_lines = omap44xx_ipu_c0_resets,
.rst_lines_cnt = ARRAY_SIZE(omap44xx_ipu_c0_resets),
.prcm = {
.omap4 = {
- .rstctrl_reg = OMAP4430_RM_DUCATI_RSTCTRL,
+ .rstctrl_offs = OMAP4_RM_DUCATI_RSTCTRL_OFFSET,
},
},
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -2450,12 +2584,13 @@ static struct omap_hwmod omap44xx_ipu_c0_hwmod = {
static struct omap_hwmod omap44xx_ipu_c1_hwmod = {
.name = "ipu_c1",
.class = &omap44xx_ipu_hwmod_class,
+ .clkdm_name = "ducati_clkdm",
.flags = HWMOD_INIT_NO_RESET,
.rst_lines = omap44xx_ipu_c1_resets,
.rst_lines_cnt = ARRAY_SIZE(omap44xx_ipu_c1_resets),
.prcm = {
.omap4 = {
- .rstctrl_reg = OMAP4430_RM_DUCATI_RSTCTRL,
+ .rstctrl_offs = OMAP4_RM_DUCATI_RSTCTRL_OFFSET,
},
},
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -2464,14 +2599,17 @@ static struct omap_hwmod omap44xx_ipu_c1_hwmod = {
static struct omap_hwmod omap44xx_ipu_hwmod = {
.name = "ipu",
.class = &omap44xx_ipu_hwmod_class,
+ .clkdm_name = "ducati_clkdm",
.mpu_irqs = omap44xx_ipu_irqs,
.rst_lines = omap44xx_ipu_resets,
.rst_lines_cnt = ARRAY_SIZE(omap44xx_ipu_resets),
.main_clk = "ipu_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_DUCATI_DUCATI_CLKCTRL,
- .rstctrl_reg = OMAP4430_RM_DUCATI_RSTCTRL,
+ .clkctrl_offs = OMAP4_CM_DUCATI_DUCATI_CLKCTRL_OFFSET,
+ .rstctrl_offs = OMAP4_RM_DUCATI_RSTCTRL_OFFSET,
+ .context_offs = OMAP4_RM_DUCATI_DUCATI_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
},
},
.slaves = omap44xx_ipu_slaves,
@@ -2551,12 +2689,15 @@ static struct omap_hwmod_opt_clk iss_opt_clks[] = {
static struct omap_hwmod omap44xx_iss_hwmod = {
.name = "iss",
.class = &omap44xx_iss_hwmod_class,
+ .clkdm_name = "iss_clkdm",
.mpu_irqs = omap44xx_iss_irqs,
.sdma_reqs = omap44xx_iss_sdma_reqs,
.main_clk = "iss_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_CAM_ISS_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_CAM_ISS_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_CAM_ISS_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.opt_clks = iss_opt_clks,
@@ -2631,12 +2772,13 @@ static struct omap_hwmod_ocp_if *omap44xx_iva_slaves[] = {
static struct omap_hwmod omap44xx_iva_seq0_hwmod = {
.name = "iva_seq0",
.class = &omap44xx_iva_hwmod_class,
+ .clkdm_name = "ivahd_clkdm",
.flags = HWMOD_INIT_NO_RESET,
.rst_lines = omap44xx_iva_seq0_resets,
.rst_lines_cnt = ARRAY_SIZE(omap44xx_iva_seq0_resets),
.prcm = {
.omap4 = {
- .rstctrl_reg = OMAP4430_RM_IVAHD_RSTCTRL,
+ .rstctrl_offs = OMAP4_RM_IVAHD_RSTCTRL_OFFSET,
},
},
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -2646,12 +2788,13 @@ static struct omap_hwmod omap44xx_iva_seq0_hwmod = {
static struct omap_hwmod omap44xx_iva_seq1_hwmod = {
.name = "iva_seq1",
.class = &omap44xx_iva_hwmod_class,
+ .clkdm_name = "ivahd_clkdm",
.flags = HWMOD_INIT_NO_RESET,
.rst_lines = omap44xx_iva_seq1_resets,
.rst_lines_cnt = ARRAY_SIZE(omap44xx_iva_seq1_resets),
.prcm = {
.omap4 = {
- .rstctrl_reg = OMAP4430_RM_IVAHD_RSTCTRL,
+ .rstctrl_offs = OMAP4_RM_IVAHD_RSTCTRL_OFFSET,
},
},
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
@@ -2660,14 +2803,17 @@ static struct omap_hwmod omap44xx_iva_seq1_hwmod = {
static struct omap_hwmod omap44xx_iva_hwmod = {
.name = "iva",
.class = &omap44xx_iva_hwmod_class,
+ .clkdm_name = "ivahd_clkdm",
.mpu_irqs = omap44xx_iva_irqs,
.rst_lines = omap44xx_iva_resets,
.rst_lines_cnt = ARRAY_SIZE(omap44xx_iva_resets),
.main_clk = "iva_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_IVAHD_IVAHD_CLKCTRL,
- .rstctrl_reg = OMAP4430_RM_IVAHD_RSTCTRL,
+ .clkctrl_offs = OMAP4_CM_IVAHD_IVAHD_CLKCTRL_OFFSET,
+ .rstctrl_offs = OMAP4_RM_IVAHD_RSTCTRL_OFFSET,
+ .context_offs = OMAP4_RM_IVAHD_IVAHD_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
},
},
.slaves = omap44xx_iva_slaves,
@@ -2732,11 +2878,14 @@ static struct omap_hwmod_ocp_if *omap44xx_kbd_slaves[] = {
static struct omap_hwmod omap44xx_kbd_hwmod = {
.name = "kbd",
.class = &omap44xx_kbd_hwmod_class,
+ .clkdm_name = "l4_wkup_clkdm",
.mpu_irqs = omap44xx_kbd_irqs,
.main_clk = "kbd_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_WKUP_KEYBOARD_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_WKUP_KEYBOARD_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_WKUP_KEYBOARD_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_kbd_slaves,
@@ -2797,10 +2946,12 @@ static struct omap_hwmod_ocp_if *omap44xx_mailbox_slaves[] = {
static struct omap_hwmod omap44xx_mailbox_hwmod = {
.name = "mailbox",
.class = &omap44xx_mailbox_hwmod_class,
+ .clkdm_name = "l4_cfg_clkdm",
.mpu_irqs = omap44xx_mailbox_irqs,
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4CFG_MAILBOX_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4CFG_MAILBOX_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4CFG_MAILBOX_CONTEXT_OFFSET,
},
},
.slaves = omap44xx_mailbox_slaves,
@@ -2887,12 +3038,15 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp1_slaves[] = {
static struct omap_hwmod omap44xx_mcbsp1_hwmod = {
.name = "mcbsp1",
.class = &omap44xx_mcbsp_hwmod_class,
+ .clkdm_name = "abe_clkdm",
.mpu_irqs = omap44xx_mcbsp1_irqs,
.sdma_reqs = omap44xx_mcbsp1_sdma_reqs,
.main_clk = "mcbsp1_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM1_ABE_MCBSP1_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM1_ABE_MCBSP1_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ABE_MCBSP1_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_mcbsp1_slaves,
@@ -2960,12 +3114,15 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp2_slaves[] = {
static struct omap_hwmod omap44xx_mcbsp2_hwmod = {
.name = "mcbsp2",
.class = &omap44xx_mcbsp_hwmod_class,
+ .clkdm_name = "abe_clkdm",
.mpu_irqs = omap44xx_mcbsp2_irqs,
.sdma_reqs = omap44xx_mcbsp2_sdma_reqs,
.main_clk = "mcbsp2_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM1_ABE_MCBSP2_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM1_ABE_MCBSP2_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ABE_MCBSP2_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_mcbsp2_slaves,
@@ -3033,12 +3190,15 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp3_slaves[] = {
static struct omap_hwmod omap44xx_mcbsp3_hwmod = {
.name = "mcbsp3",
.class = &omap44xx_mcbsp_hwmod_class,
+ .clkdm_name = "abe_clkdm",
.mpu_irqs = omap44xx_mcbsp3_irqs,
.sdma_reqs = omap44xx_mcbsp3_sdma_reqs,
.main_clk = "mcbsp3_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM1_ABE_MCBSP3_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM1_ABE_MCBSP3_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ABE_MCBSP3_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_mcbsp3_slaves,
@@ -3085,12 +3245,15 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp4_slaves[] = {
static struct omap_hwmod omap44xx_mcbsp4_hwmod = {
.name = "mcbsp4",
.class = &omap44xx_mcbsp_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_mcbsp4_irqs,
.sdma_reqs = omap44xx_mcbsp4_sdma_reqs,
.main_clk = "mcbsp4_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_MCBSP4_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_MCBSP4_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_MCBSP4_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_mcbsp4_slaves,
@@ -3177,12 +3340,15 @@ static struct omap_hwmod_ocp_if *omap44xx_mcpdm_slaves[] = {
static struct omap_hwmod omap44xx_mcpdm_hwmod = {
.name = "mcpdm",
.class = &omap44xx_mcpdm_hwmod_class,
+ .clkdm_name = "abe_clkdm",
.mpu_irqs = omap44xx_mcpdm_irqs,
.sdma_reqs = omap44xx_mcpdm_sdma_reqs,
.main_clk = "mcpdm_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM1_ABE_PDM_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM1_ABE_PDM_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ABE_PDM_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_mcpdm_slaves,
@@ -3262,12 +3428,15 @@ static struct omap2_mcspi_dev_attr mcspi1_dev_attr = {
static struct omap_hwmod omap44xx_mcspi1_hwmod = {
.name = "mcspi1",
.class = &omap44xx_mcspi_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_mcspi1_irqs,
.sdma_reqs = omap44xx_mcspi1_sdma_reqs,
.main_clk = "mcspi1_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_MCSPI1_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_MCSPI1_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_MCSPI1_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.dev_attr = &mcspi1_dev_attr,
@@ -3322,12 +3491,15 @@ static struct omap2_mcspi_dev_attr mcspi2_dev_attr = {
static struct omap_hwmod omap44xx_mcspi2_hwmod = {
.name = "mcspi2",
.class = &omap44xx_mcspi_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_mcspi2_irqs,
.sdma_reqs = omap44xx_mcspi2_sdma_reqs,
.main_clk = "mcspi2_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_MCSPI2_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_MCSPI2_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_MCSPI2_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.dev_attr = &mcspi2_dev_attr,
@@ -3382,12 +3554,15 @@ static struct omap2_mcspi_dev_attr mcspi3_dev_attr = {
static struct omap_hwmod omap44xx_mcspi3_hwmod = {
.name = "mcspi3",
.class = &omap44xx_mcspi_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_mcspi3_irqs,
.sdma_reqs = omap44xx_mcspi3_sdma_reqs,
.main_clk = "mcspi3_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_MCSPI3_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_MCSPI3_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_MCSPI3_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.dev_attr = &mcspi3_dev_attr,
@@ -3440,12 +3615,15 @@ static struct omap2_mcspi_dev_attr mcspi4_dev_attr = {
static struct omap_hwmod omap44xx_mcspi4_hwmod = {
.name = "mcspi4",
.class = &omap44xx_mcspi_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_mcspi4_irqs,
.sdma_reqs = omap44xx_mcspi4_sdma_reqs,
.main_clk = "mcspi4_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_MCSPI4_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_MCSPI4_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_MCSPI4_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.dev_attr = &mcspi4_dev_attr,
@@ -3524,12 +3702,15 @@ static struct omap_mmc_dev_attr mmc1_dev_attr = {
static struct omap_hwmod omap44xx_mmc1_hwmod = {
.name = "mmc1",
.class = &omap44xx_mmc_hwmod_class,
+ .clkdm_name = "l3_init_clkdm",
.mpu_irqs = omap44xx_mmc1_irqs,
.sdma_reqs = omap44xx_mmc1_sdma_reqs,
.main_clk = "mmc1_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L3INIT_MMC1_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L3INIT_MMC1_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L3INIT_MMC1_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.dev_attr = &mmc1_dev_attr,
@@ -3583,12 +3764,15 @@ static struct omap_hwmod_ocp_if *omap44xx_mmc2_slaves[] = {
static struct omap_hwmod omap44xx_mmc2_hwmod = {
.name = "mmc2",
.class = &omap44xx_mmc_hwmod_class,
+ .clkdm_name = "l3_init_clkdm",
.mpu_irqs = omap44xx_mmc2_irqs,
.sdma_reqs = omap44xx_mmc2_sdma_reqs,
.main_clk = "mmc2_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L3INIT_MMC2_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L3INIT_MMC2_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L3INIT_MMC2_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_mmc2_slaves,
@@ -3637,12 +3821,15 @@ static struct omap_hwmod_ocp_if *omap44xx_mmc3_slaves[] = {
static struct omap_hwmod omap44xx_mmc3_hwmod = {
.name = "mmc3",
.class = &omap44xx_mmc_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_mmc3_irqs,
.sdma_reqs = omap44xx_mmc3_sdma_reqs,
.main_clk = "mmc3_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_MMCSD3_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_MMCSD3_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_MMCSD3_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_mmc3_slaves,
@@ -3689,13 +3876,16 @@ static struct omap_hwmod_ocp_if *omap44xx_mmc4_slaves[] = {
static struct omap_hwmod omap44xx_mmc4_hwmod = {
.name = "mmc4",
.class = &omap44xx_mmc_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_mmc4_irqs,
.sdma_reqs = omap44xx_mmc4_sdma_reqs,
.main_clk = "mmc4_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_MMCSD4_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_MMCSD4_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_MMCSD4_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_mmc4_slaves,
@@ -3742,12 +3932,15 @@ static struct omap_hwmod_ocp_if *omap44xx_mmc5_slaves[] = {
static struct omap_hwmod omap44xx_mmc5_hwmod = {
.name = "mmc5",
.class = &omap44xx_mmc_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_mmc5_irqs,
.sdma_reqs = omap44xx_mmc5_sdma_reqs,
.main_clk = "mmc5_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_MMCSD5_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_MMCSD5_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_MMCSD5_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_mmc5_slaves,
@@ -3782,12 +3975,14 @@ static struct omap_hwmod_ocp_if *omap44xx_mpu_masters[] = {
static struct omap_hwmod omap44xx_mpu_hwmod = {
.name = "mpu",
.class = &omap44xx_mpu_hwmod_class,
+ .clkdm_name = "mpuss_clkdm",
.flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET,
.mpu_irqs = omap44xx_mpu_irqs,
.main_clk = "dpll_mpu_m2_ck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_MPU_MPU_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_MPU_MPU_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_MPU_MPU_CONTEXT_OFFSET,
},
},
.masters = omap44xx_mpu_masters,
@@ -3854,13 +4049,16 @@ static struct omap_hwmod_ocp_if *omap44xx_smartreflex_core_slaves[] = {
static struct omap_hwmod omap44xx_smartreflex_core_hwmod = {
.name = "smartreflex_core",
.class = &omap44xx_smartreflex_hwmod_class,
+ .clkdm_name = "l4_ao_clkdm",
.mpu_irqs = omap44xx_smartreflex_core_irqs,
.main_clk = "smartreflex_core_fck",
.vdd_name = "core",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_ALWON_SR_CORE_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_ALWON_SR_CORE_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ALWON_SR_CORE_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_smartreflex_core_slaves,
@@ -3901,12 +4099,15 @@ static struct omap_hwmod_ocp_if *omap44xx_smartreflex_iva_slaves[] = {
static struct omap_hwmod omap44xx_smartreflex_iva_hwmod = {
.name = "smartreflex_iva",
.class = &omap44xx_smartreflex_hwmod_class,
+ .clkdm_name = "l4_ao_clkdm",
.mpu_irqs = omap44xx_smartreflex_iva_irqs,
.main_clk = "smartreflex_iva_fck",
.vdd_name = "iva",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_ALWON_SR_IVA_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_ALWON_SR_IVA_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ALWON_SR_IVA_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_smartreflex_iva_slaves,
@@ -3947,12 +4148,15 @@ static struct omap_hwmod_ocp_if *omap44xx_smartreflex_mpu_slaves[] = {
static struct omap_hwmod omap44xx_smartreflex_mpu_hwmod = {
.name = "smartreflex_mpu",
.class = &omap44xx_smartreflex_hwmod_class,
+ .clkdm_name = "l4_ao_clkdm",
.mpu_irqs = omap44xx_smartreflex_mpu_irqs,
.main_clk = "smartreflex_mpu_fck",
.vdd_name = "mpu",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_ALWON_SR_MPU_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_ALWON_SR_MPU_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ALWON_SR_MPU_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_smartreflex_mpu_slaves,
@@ -4011,9 +4215,11 @@ static struct omap_hwmod_ocp_if *omap44xx_spinlock_slaves[] = {
static struct omap_hwmod omap44xx_spinlock_hwmod = {
.name = "spinlock",
.class = &omap44xx_spinlock_hwmod_class,
+ .clkdm_name = "l4_cfg_clkdm",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4CFG_HW_SEM_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4CFG_HW_SEM_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4CFG_HW_SEM_CONTEXT_OFFSET,
},
},
.slaves = omap44xx_spinlock_slaves,
@@ -4092,11 +4298,14 @@ static struct omap_hwmod_ocp_if *omap44xx_timer1_slaves[] = {
static struct omap_hwmod omap44xx_timer1_hwmod = {
.name = "timer1",
.class = &omap44xx_timer_1ms_hwmod_class,
+ .clkdm_name = "l4_wkup_clkdm",
.mpu_irqs = omap44xx_timer1_irqs,
.main_clk = "timer1_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_WKUP_TIMER1_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_WKUP_TIMER1_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_WKUP_TIMER1_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_timer1_slaves,
@@ -4137,11 +4346,14 @@ static struct omap_hwmod_ocp_if *omap44xx_timer2_slaves[] = {
static struct omap_hwmod omap44xx_timer2_hwmod = {
.name = "timer2",
.class = &omap44xx_timer_1ms_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_timer2_irqs,
.main_clk = "timer2_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER2_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER2_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_DMTIMER2_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_timer2_slaves,
@@ -4182,11 +4394,14 @@ static struct omap_hwmod_ocp_if *omap44xx_timer3_slaves[] = {
static struct omap_hwmod omap44xx_timer3_hwmod = {
.name = "timer3",
.class = &omap44xx_timer_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_timer3_irqs,
.main_clk = "timer3_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER3_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER3_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_DMTIMER3_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_timer3_slaves,
@@ -4227,11 +4442,14 @@ static struct omap_hwmod_ocp_if *omap44xx_timer4_slaves[] = {
static struct omap_hwmod omap44xx_timer4_hwmod = {
.name = "timer4",
.class = &omap44xx_timer_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_timer4_irqs,
.main_clk = "timer4_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER4_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER4_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_DMTIMER4_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_timer4_slaves,
@@ -4291,11 +4509,14 @@ static struct omap_hwmod_ocp_if *omap44xx_timer5_slaves[] = {
static struct omap_hwmod omap44xx_timer5_hwmod = {
.name = "timer5",
.class = &omap44xx_timer_hwmod_class,
+ .clkdm_name = "abe_clkdm",
.mpu_irqs = omap44xx_timer5_irqs,
.main_clk = "timer5_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM1_ABE_TIMER5_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM1_ABE_TIMER5_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ABE_TIMER5_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_timer5_slaves,
@@ -4355,12 +4576,15 @@ static struct omap_hwmod_ocp_if *omap44xx_timer6_slaves[] = {
static struct omap_hwmod omap44xx_timer6_hwmod = {
.name = "timer6",
.class = &omap44xx_timer_hwmod_class,
+ .clkdm_name = "abe_clkdm",
.mpu_irqs = omap44xx_timer6_irqs,
.main_clk = "timer6_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM1_ABE_TIMER6_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM1_ABE_TIMER6_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ABE_TIMER6_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_timer6_slaves,
@@ -4420,11 +4644,14 @@ static struct omap_hwmod_ocp_if *omap44xx_timer7_slaves[] = {
static struct omap_hwmod omap44xx_timer7_hwmod = {
.name = "timer7",
.class = &omap44xx_timer_hwmod_class,
+ .clkdm_name = "abe_clkdm",
.mpu_irqs = omap44xx_timer7_irqs,
.main_clk = "timer7_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM1_ABE_TIMER7_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM1_ABE_TIMER7_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ABE_TIMER7_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_timer7_slaves,
@@ -4484,11 +4711,14 @@ static struct omap_hwmod_ocp_if *omap44xx_timer8_slaves[] = {
static struct omap_hwmod omap44xx_timer8_hwmod = {
.name = "timer8",
.class = &omap44xx_timer_hwmod_class,
+ .clkdm_name = "abe_clkdm",
.mpu_irqs = omap44xx_timer8_irqs,
.main_clk = "timer8_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM1_ABE_TIMER8_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM1_ABE_TIMER8_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ABE_TIMER8_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_timer8_slaves,
@@ -4529,11 +4759,14 @@ static struct omap_hwmod_ocp_if *omap44xx_timer9_slaves[] = {
static struct omap_hwmod omap44xx_timer9_hwmod = {
.name = "timer9",
.class = &omap44xx_timer_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_timer9_irqs,
.main_clk = "timer9_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER9_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER9_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_DMTIMER9_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_timer9_slaves,
@@ -4574,11 +4807,14 @@ static struct omap_hwmod_ocp_if *omap44xx_timer10_slaves[] = {
static struct omap_hwmod omap44xx_timer10_hwmod = {
.name = "timer10",
.class = &omap44xx_timer_1ms_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_timer10_irqs,
.main_clk = "timer10_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER10_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER10_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_DMTIMER10_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_timer10_slaves,
@@ -4619,11 +4855,14 @@ static struct omap_hwmod_ocp_if *omap44xx_timer11_slaves[] = {
static struct omap_hwmod omap44xx_timer11_hwmod = {
.name = "timer11",
.class = &omap44xx_timer_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_timer11_irqs,
.main_clk = "timer11_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_DMTIMER11_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER11_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_DMTIMER11_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_timer11_slaves,
@@ -4692,12 +4931,15 @@ static struct omap_hwmod_ocp_if *omap44xx_uart1_slaves[] = {
static struct omap_hwmod omap44xx_uart1_hwmod = {
.name = "uart1",
.class = &omap44xx_uart_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_uart1_irqs,
.sdma_reqs = omap44xx_uart1_sdma_reqs,
.main_clk = "uart1_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_UART1_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_UART1_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_UART1_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_uart1_slaves,
@@ -4744,12 +4986,15 @@ static struct omap_hwmod_ocp_if *omap44xx_uart2_slaves[] = {
static struct omap_hwmod omap44xx_uart2_hwmod = {
.name = "uart2",
.class = &omap44xx_uart_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_uart2_irqs,
.sdma_reqs = omap44xx_uart2_sdma_reqs,
.main_clk = "uart2_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_UART2_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_UART2_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_UART2_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_uart2_slaves,
@@ -4796,13 +5041,16 @@ static struct omap_hwmod_ocp_if *omap44xx_uart3_slaves[] = {
static struct omap_hwmod omap44xx_uart3_hwmod = {
.name = "uart3",
.class = &omap44xx_uart_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET,
.mpu_irqs = omap44xx_uart3_irqs,
.sdma_reqs = omap44xx_uart3_sdma_reqs,
.main_clk = "uart3_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_UART3_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_UART3_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_UART3_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_uart3_slaves,
@@ -4849,12 +5097,15 @@ static struct omap_hwmod_ocp_if *omap44xx_uart4_slaves[] = {
static struct omap_hwmod omap44xx_uart4_hwmod = {
.name = "uart4",
.class = &omap44xx_uart_hwmod_class,
+ .clkdm_name = "l4_per_clkdm",
.mpu_irqs = omap44xx_uart4_irqs,
.sdma_reqs = omap44xx_uart4_sdma_reqs,
.main_clk = "uart4_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L4PER_UART4_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L4PER_UART4_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L4PER_UART4_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_uart4_slaves,
@@ -4927,12 +5178,15 @@ static struct omap_hwmod_opt_clk usb_otg_hs_opt_clks[] = {
static struct omap_hwmod omap44xx_usb_otg_hs_hwmod = {
.name = "usb_otg_hs",
.class = &omap44xx_usb_otg_hs_hwmod_class,
+ .clkdm_name = "l3_init_clkdm",
.flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY,
.mpu_irqs = omap44xx_usb_otg_hs_irqs,
.main_clk = "usb_otg_hs_ick",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_L3INIT_USB_OTG_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_L3INIT_USB_OTG_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_L3INIT_USB_OTG_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_HWCTRL,
},
},
.opt_clks = usb_otg_hs_opt_clks,
@@ -5000,11 +5254,14 @@ static struct omap_hwmod_ocp_if *omap44xx_wd_timer2_slaves[] = {
static struct omap_hwmod omap44xx_wd_timer2_hwmod = {
.name = "wd_timer2",
.class = &omap44xx_wd_timer_hwmod_class,
+ .clkdm_name = "l4_wkup_clkdm",
.mpu_irqs = omap44xx_wd_timer2_irqs,
.main_clk = "wd_timer2_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM_WKUP_WDT2_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM_WKUP_WDT2_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_WKUP_WDT2_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_wd_timer2_slaves,
@@ -5064,11 +5321,14 @@ static struct omap_hwmod_ocp_if *omap44xx_wd_timer3_slaves[] = {
static struct omap_hwmod omap44xx_wd_timer3_hwmod = {
.name = "wd_timer3",
.class = &omap44xx_wd_timer_hwmod_class,
+ .clkdm_name = "abe_clkdm",
.mpu_irqs = omap44xx_wd_timer3_irqs,
.main_clk = "wd_timer3_fck",
.prcm = {
.omap4 = {
- .clkctrl_reg = OMAP4430_CM1_ABE_WDT3_CLKCTRL,
+ .clkctrl_offs = OMAP4_CM1_ABE_WDT3_CLKCTRL_OFFSET,
+ .context_offs = OMAP4_RM_ABE_WDT3_CONTEXT_OFFSET,
+ .modulemode = MODULEMODE_SWCTRL,
},
},
.slaves = omap44xx_wd_timer3_slaves,
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index d48813fd62de..3feb35911a32 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -108,6 +108,7 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
u32 cur_state;
int sleep_switch = -1;
int ret = 0;
+ int hwsup = 0;
if (pwrdm == NULL || IS_ERR(pwrdm))
return -EINVAL;
@@ -127,6 +128,7 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
(pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE)) {
sleep_switch = LOWPOWERSTATE_SWITCH;
} else {
+ hwsup = clkdm_in_hwsup(pwrdm->pwrdm_clkdms[0]);
clkdm_wakeup(pwrdm->pwrdm_clkdms[0]);
pwrdm_wait_transition(pwrdm);
sleep_switch = FORCEWAKEUP_SWITCH;
@@ -142,7 +144,7 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
switch (sleep_switch) {
case FORCEWAKEUP_SWITCH:
- if (pwrdm->pwrdm_clkdms[0]->flags & CLKDM_CAN_ENABLE_AUTO)
+ if (hwsup)
clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]);
else
clkdm_sleep(pwrdm->pwrdm_clkdms[0]);
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index 6be14389e4f3..2e40a5cf0163 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -70,7 +70,7 @@ static void omap_prcm_arch_reset(char mode, const char *cmd)
prcm_offs = OMAP3430_GR_MOD;
omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0));
} else if (cpu_is_omap44xx()) {
- omap4_prm_global_warm_sw_reset(); /* never returns */
+ omap4_prminst_global_warm_sw_reset(); /* never returns */
} else {
WARN_ON(1);
}
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index a2a04bfa9628..00165558fc4d 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -1,7 +1,7 @@
/*
* OMAP4 PRM module functions
*
- * Copyright (C) 2010 Texas Instruments, Inc.
+ * Copyright (C) 2011 Texas Instruments, Inc.
* Copyright (C) 2010 Nokia Corporation
* Benoît Cousson
* Paul Walmsley
@@ -24,12 +24,6 @@
#include "prm44xx.h"
#include "prm-regbits-44xx.h"
-/*
- * Address offset (in bytes) between the reset control and the reset
- * status registers: 4 bytes on OMAP4
- */
-#define OMAP4_RST_CTRL_ST_OFFSET 4
-
/* PRM low-level functions */
/* Read a register in a CM/PRM instance in the PRM module */
@@ -56,140 +50,3 @@ u32 omap4_prm_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg)
return v;
}
-
-/* Read a PRM register, AND it, and shift the result down to bit 0 */
-/* XXX deprecated */
-u32 omap4_prm_read_bits_shift(void __iomem *reg, u32 mask)
-{
- u32 v;
-
- v = __raw_readl(reg);
- v &= mask;
- v >>= __ffs(mask);
-
- return v;
-}
-
-/* Read-modify-write a register in a PRM module. Caller must lock */
-/* XXX deprecated */
-u32 omap4_prm_rmw_reg_bits(u32 mask, u32 bits, void __iomem *reg)
-{
- u32 v;
-
- v = __raw_readl(reg);
- v &= ~mask;
- v |= bits;
- __raw_writel(v, reg);
-
- return v;
-}
-
-u32 omap4_prm_set_inst_reg_bits(u32 bits, s16 inst, s16 reg)
-{
- return omap4_prm_rmw_inst_reg_bits(bits, bits, inst, reg);
-}
-
-u32 omap4_prm_clear_inst_reg_bits(u32 bits, s16 inst, s16 reg)
-{
- return omap4_prm_rmw_inst_reg_bits(bits, 0x0, inst, reg);
-}
-
-/**
- * omap4_prm_is_hardreset_asserted - read the HW reset line state of
- * submodules contained in the hwmod module
- * @rstctrl_reg: RM_RSTCTRL register address for this module
- * @shift: register bit shift corresponding to the reset line to check
- *
- * Returns 1 if the (sub)module hardreset line is currently asserted,
- * 0 if the (sub)module hardreset line is not currently asserted, or
- * -EINVAL upon parameter error.
- */
-int omap4_prm_is_hardreset_asserted(void __iomem *rstctrl_reg, u8 shift)
-{
- if (!cpu_is_omap44xx() || !rstctrl_reg)
- return -EINVAL;
-
- return omap4_prm_read_bits_shift(rstctrl_reg, (1 << shift));
-}
-
-/**
- * omap4_prm_assert_hardreset - assert the HW reset line of a submodule
- * @rstctrl_reg: RM_RSTCTRL register address for this module
- * @shift: register bit shift corresponding to the reset line to assert
- *
- * Some IPs like dsp, ipu or iva contain processors that require an HW
- * reset line to be asserted / deasserted in order to fully enable the
- * IP. These modules may have multiple hard-reset lines that reset
- * different 'submodules' inside the IP block. This function will
- * place the submodule into reset. Returns 0 upon success or -EINVAL
- * upon an argument error.
- */
-int omap4_prm_assert_hardreset(void __iomem *rstctrl_reg, u8 shift)
-{
- u32 mask;
-
- if (!cpu_is_omap44xx() || !rstctrl_reg)
- return -EINVAL;
-
- mask = 1 << shift;
- omap4_prm_rmw_reg_bits(mask, mask, rstctrl_reg);
-
- return 0;
-}
-
-/**
- * omap4_prm_deassert_hardreset - deassert a submodule hardreset line and wait
- * @rstctrl_reg: RM_RSTCTRL register address for this module
- * @shift: register bit shift corresponding to the reset line to deassert
- *
- * Some IPs like dsp, ipu or iva contain processors that require an HW
- * reset line to be asserted / deasserted in order to fully enable the
- * IP. These modules may have multiple hard-reset lines that reset
- * different 'submodules' inside the IP block. This function will
- * take the submodule out of reset and wait until the PRCM indicates
- * that the reset has completed before returning. Returns 0 upon success or
- * -EINVAL upon an argument error, -EEXIST if the submodule was already out
- * of reset, or -EBUSY if the submodule did not exit reset promptly.
- */
-int omap4_prm_deassert_hardreset(void __iomem *rstctrl_reg, u8 shift)
-{
- u32 mask;
- void __iomem *rstst_reg;
- int c;
-
- if (!cpu_is_omap44xx() || !rstctrl_reg)
- return -EINVAL;
-
- rstst_reg = rstctrl_reg + OMAP4_RST_CTRL_ST_OFFSET;
-
- mask = 1 << shift;
-
- /* Check the current status to avoid de-asserting the line twice */
- if (omap4_prm_read_bits_shift(rstctrl_reg, mask) == 0)
- return -EEXIST;
-
- /* Clear the reset status by writing 1 to the status bit */
- omap4_prm_rmw_reg_bits(0xffffffff, mask, rstst_reg);
- /* de-assert the reset control line */
- omap4_prm_rmw_reg_bits(mask, 0, rstctrl_reg);
- /* wait the status to be set */
- omap_test_timeout(omap4_prm_read_bits_shift(rstst_reg, mask),
- MAX_MODULE_HARDRESET_WAIT, c);
-
- return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0;
-}
-
-void omap4_prm_global_warm_sw_reset(void)
-{
- u32 v;
-
- v = omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST,
- OMAP4_RM_RSTCTRL);
- v |= OMAP4430_RST_GLOBAL_WARM_SW_MASK;
- omap4_prm_write_inst_reg(v, OMAP4430_PRM_DEVICE_INST,
- OMAP4_RM_RSTCTRL);
-
- /* OCP barrier */
- v = omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST,
- OMAP4_RM_RSTCTRL);
-}
diff --git a/arch/arm/mach-omap2/prm44xx.h b/arch/arm/mach-omap2/prm44xx.h
index 6e53120fd6cb..7dfa379b625d 100644
--- a/arch/arm/mach-omap2/prm44xx.h
+++ b/arch/arm/mach-omap2/prm44xx.h
@@ -750,16 +750,6 @@
extern u32 omap4_prm_read_inst_reg(s16 inst, u16 idx);
extern void omap4_prm_write_inst_reg(u32 val, s16 inst, u16 idx);
extern u32 omap4_prm_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 idx);
-extern u32 omap4_prm_rmw_reg_bits(u32 mask, u32 bits, void __iomem *reg);
-extern u32 omap4_prm_set_inst_reg_bits(u32 bits, s16 inst, s16 idx);
-extern u32 omap4_prm_clear_inst_reg_bits(u32 bits, s16 inst, s16 idx);
-extern u32 omap4_prm_read_bits_shift(void __iomem *reg, u32 mask);
-
-extern int omap4_prm_is_hardreset_asserted(void __iomem *rstctrl_reg, u8 shift);
-extern int omap4_prm_assert_hardreset(void __iomem *rstctrl_reg, u8 shift);
-extern int omap4_prm_deassert_hardreset(void __iomem *rstctrl_reg, u8 shift);
-
-extern void omap4_prm_global_warm_sw_reset(void);
# endif
diff --git a/arch/arm/mach-omap2/prminst44xx.c b/arch/arm/mach-omap2/prminst44xx.c
index a30324297278..3a7bab16edd5 100644
--- a/arch/arm/mach-omap2/prminst44xx.c
+++ b/arch/arm/mach-omap2/prminst44xx.c
@@ -2,6 +2,7 @@
* OMAP4 PRM instance functions
*
* Copyright (C) 2009 Nokia Corporation
+ * Copyright (C) 2011 Texas Instruments, Inc.
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
@@ -53,7 +54,7 @@ void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx)
/* Read-modify-write a register in PRM. Caller must lock */
u32 omap4_prminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, s16 inst,
- s16 idx)
+ u16 idx)
{
u32 v;
@@ -64,3 +65,112 @@ u32 omap4_prminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, s16 inst,
return v;
}
+
+/*
+ * Address offset (in bytes) between the reset control and the reset
+ * status registers: 4 bytes on OMAP4
+ */
+#define OMAP4_RST_CTRL_ST_OFFSET 4
+
+/**
+ * omap4_prminst_is_hardreset_asserted - read the HW reset line state of
+ * submodules contained in the hwmod module
+ * @rstctrl_reg: RM_RSTCTRL register address for this module
+ * @shift: register bit shift corresponding to the reset line to check
+ *
+ * Returns 1 if the (sub)module hardreset line is currently asserted,
+ * 0 if the (sub)module hardreset line is not currently asserted, or
+ * -EINVAL upon parameter error.
+ */
+int omap4_prminst_is_hardreset_asserted(u8 shift, u8 part, s16 inst,
+ u16 rstctrl_offs)
+{
+ u32 v;
+
+ v = omap4_prminst_read_inst_reg(part, inst, rstctrl_offs);
+ v &= 1 << shift;
+ v >>= shift;
+
+ return v;
+}
+
+/**
+ * omap4_prminst_assert_hardreset - assert the HW reset line of a submodule
+ * @rstctrl_reg: RM_RSTCTRL register address for this module
+ * @shift: register bit shift corresponding to the reset line to assert
+ *
+ * Some IPs like dsp, ipu or iva contain processors that require an HW
+ * reset line to be asserted / deasserted in order to fully enable the
+ * IP. These modules may have multiple hard-reset lines that reset
+ * different 'submodules' inside the IP block. This function will
+ * place the submodule into reset. Returns 0 upon success or -EINVAL
+ * upon an argument error.
+ */
+int omap4_prminst_assert_hardreset(u8 shift, u8 part, s16 inst,
+ u16 rstctrl_offs)
+{
+ u32 mask = 1 << shift;
+
+ omap4_prminst_rmw_inst_reg_bits(mask, mask, part, inst, rstctrl_offs);
+
+ return 0;
+}
+
+/**
+ * omap4_prminst_deassert_hardreset - deassert a submodule hardreset line and
+ * wait
+ * @rstctrl_reg: RM_RSTCTRL register address for this module
+ * @shift: register bit shift corresponding to the reset line to deassert
+ *
+ * Some IPs like dsp, ipu or iva contain processors that require an HW
+ * reset line to be asserted / deasserted in order to fully enable the
+ * IP. These modules may have multiple hard-reset lines that reset
+ * different 'submodules' inside the IP block. This function will
+ * take the submodule out of reset and wait until the PRCM indicates
+ * that the reset has completed before returning. Returns 0 upon success or
+ * -EINVAL upon an argument error, -EEXIST if the submodule was already out
+ * of reset, or -EBUSY if the submodule did not exit reset promptly.
+ */
+int omap4_prminst_deassert_hardreset(u8 shift, u8 part, s16 inst,
+ u16 rstctrl_offs)
+{
+ int c;
+ u32 mask = 1 << shift;
+ u16 rstst_offs = rstctrl_offs + OMAP4_RST_CTRL_ST_OFFSET;
+
+ /* Check the current status to avoid de-asserting the line twice */
+ if (omap4_prminst_is_hardreset_asserted(shift, part, inst,
+ rstctrl_offs) == 0)
+ return -EEXIST;
+
+ /* Clear the reset status by writing 1 to the status bit */
+ omap4_prminst_rmw_inst_reg_bits(0xffffffff, mask, part, inst,
+ rstst_offs);
+ /* de-assert the reset control line */
+ omap4_prminst_rmw_inst_reg_bits(mask, 0, part, inst, rstctrl_offs);
+ /* wait the status to be set */
+ omap_test_timeout(omap4_prminst_is_hardreset_asserted(shift, part, inst,
+ rstst_offs),
+ MAX_MODULE_HARDRESET_WAIT, c);
+
+ return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0;
+}
+
+
+void omap4_prminst_global_warm_sw_reset(void)
+{
+ u32 v;
+
+ v = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION,
+ OMAP4430_PRM_DEVICE_INST,
+ OMAP4_PRM_RSTCTRL_OFFSET);
+ v |= OMAP4430_RST_GLOBAL_WARM_SW_MASK;
+ omap4_prminst_write_inst_reg(v, OMAP4430_PRM_PARTITION,
+ OMAP4430_PRM_DEVICE_INST,
+ OMAP4_PRM_RSTCTRL_OFFSET);
+
+ /* OCP barrier */
+ v = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION,
+ OMAP4430_PRM_DEVICE_INST,
+ OMAP4_PRM_RSTCTRL_OFFSET);
+}
diff --git a/arch/arm/mach-omap2/prminst44xx.h b/arch/arm/mach-omap2/prminst44xx.h
index 02dd66ddda8b..46f2efb36596 100644
--- a/arch/arm/mach-omap2/prminst44xx.h
+++ b/arch/arm/mach-omap2/prminst44xx.h
@@ -2,6 +2,7 @@
* OMAP4 Power/Reset Management (PRM) function prototypes
*
* Copyright (C) 2010 Nokia Corporation
+ * Copyright (C) 2011 Texas Instruments, Inc.
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
@@ -18,8 +19,15 @@
extern u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx);
extern void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx);
extern u32 omap4_prminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part,
- s16 inst, s16 idx);
+ s16 inst, u16 idx);
-extern void omap4_prm_global_warm_sw_reset(void);
+extern void omap4_prminst_global_warm_sw_reset(void);
+
+extern int omap4_prminst_is_hardreset_asserted(u8 shift, u8 part, s16 inst,
+ u16 rstctrl_offs);
+extern int omap4_prminst_assert_hardreset(u8 shift, u8 part, s16 inst,
+ u16 rstctrl_offs);
+extern int omap4_prminst_deassert_hardreset(u8 shift, u8 part, s16 inst,
+ u16 rstctrl_offs);
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 08:00:17 +0100