Merge branch 'cleanup-hwmod' into cleanup

Conflicts:
	arch/arm/mach-omap2/dsp.c

22 files changed, 409 insertions, 187 deletions

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 664224fb740..9ba1c406a46 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -116,7 +116,6 @@ obj-$(CONFIG_ARCH_OMAP4)		+= powerdomains44xx_data.o
 
 # PRCM clockdomain control
 clockdomain-common			+= clockdomain.o
-clockdomain-common			+= clockdomains_common_data.o
 obj-$(CONFIG_ARCH_OMAP2)		+= $(clockdomain-common)
 obj-$(CONFIG_ARCH_OMAP2)		+= clockdomain2xxx_3xxx.o
 obj-$(CONFIG_ARCH_OMAP2)		+= clockdomains2xxx_3xxx_data.o
diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c
index bace9308a4d..7e39015357b 100644
--- a/arch/arm/mach-omap2/clock2420_data.c
+++ b/arch/arm/mach-omap2/clock2420_data.c
@@ -1774,8 +1774,6 @@ static struct omap_clk omap2420_clks[] = {
 	CLK(NULL,	"osc_ck",	&osc_ck,	CK_242X),
 	CLK(NULL,	"sys_ck",	&sys_ck,	CK_242X),
 	CLK(NULL,	"alt_ck",	&alt_ck,	CK_242X),
-	CLK("omap-mcbsp.1",	"pad_fck",	&mcbsp_clks,	CK_242X),
-	CLK("omap-mcbsp.2",	"pad_fck",	&mcbsp_clks,	CK_242X),
 	CLK(NULL,	"mcbsp_clks",	&mcbsp_clks,	CK_242X),
 	/* internal analog sources */
 	CLK(NULL,	"dpll_ck",	&dpll_ck,	CK_242X),
@@ -1784,8 +1782,6 @@ static struct omap_clk omap2420_clks[] = {
 	/* internal prcm root sources */
 	CLK(NULL,	"func_54m_ck",	&func_54m_ck,	CK_242X),
 	CLK(NULL,	"core_ck",	&core_ck,	CK_242X),
-	CLK("omap-mcbsp.1",	"prcm_fck",	&func_96m_ck,	CK_242X),
-	CLK("omap-mcbsp.2",	"prcm_fck",	&func_96m_ck,	CK_242X),
 	CLK(NULL,	"func_96m_ck",	&func_96m_ck,	CK_242X),
 	CLK(NULL,	"func_48m_ck",	&func_48m_ck,	CK_242X),
 	CLK(NULL,	"func_12m_ck",	&func_12m_ck,	CK_242X),
diff --git a/arch/arm/mach-omap2/clock2430_data.c b/arch/arm/mach-omap2/clock2430_data.c
index 3b4d09a5039..90a08c3b12a 100644
--- a/arch/arm/mach-omap2/clock2430_data.c
+++ b/arch/arm/mach-omap2/clock2430_data.c
@@ -1858,11 +1858,6 @@ static struct omap_clk omap2430_clks[] = {
 	CLK(NULL,	"osc_ck",	&osc_ck,	CK_243X),
 	CLK(NULL,	"sys_ck",	&sys_ck,	CK_243X),
 	CLK(NULL,	"alt_ck",	&alt_ck,	CK_243X),
-	CLK("omap-mcbsp.1",	"pad_fck",	&mcbsp_clks,	CK_243X),
-	CLK("omap-mcbsp.2",	"pad_fck",	&mcbsp_clks,	CK_243X),
-	CLK("omap-mcbsp.3",	"pad_fck",	&mcbsp_clks,	CK_243X),
-	CLK("omap-mcbsp.4",	"pad_fck",	&mcbsp_clks,	CK_243X),
-	CLK("omap-mcbsp.5",	"pad_fck",	&mcbsp_clks,	CK_243X),
 	CLK(NULL,	"mcbsp_clks",	&mcbsp_clks,	CK_243X),
 	/* internal analog sources */
 	CLK(NULL,	"dpll_ck",	&dpll_ck,	CK_243X),
@@ -1871,11 +1866,6 @@ static struct omap_clk omap2430_clks[] = {
 	/* internal prcm root sources */
 	CLK(NULL,	"func_54m_ck",	&func_54m_ck,	CK_243X),
 	CLK(NULL,	"core_ck",	&core_ck,	CK_243X),
-	CLK("omap-mcbsp.1",	"prcm_fck",	&func_96m_ck,	CK_243X),
-	CLK("omap-mcbsp.2",	"prcm_fck",	&func_96m_ck,	CK_243X),
-	CLK("omap-mcbsp.3",	"prcm_fck",	&func_96m_ck,	CK_243X),
-	CLK("omap-mcbsp.4",	"prcm_fck",	&func_96m_ck,	CK_243X),
-	CLK("omap-mcbsp.5",	"prcm_fck",	&func_96m_ck,	CK_243X),
 	CLK(NULL,	"func_96m_ck",	&func_96m_ck,	CK_243X),
 	CLK(NULL,	"func_48m_ck",	&func_48m_ck,	CK_243X),
 	CLK(NULL,	"func_12m_ck",	&func_12m_ck,	CK_243X),
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 1efdec236ae..ff422bee804 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3236,11 +3236,6 @@ static struct omap_clk omap3xxx_clks[] = {
 	CLK(NULL,	"osc_sys_ck",	&osc_sys_ck,	CK_3XXX),
 	CLK(NULL,	"sys_ck",	&sys_ck,	CK_3XXX),
 	CLK(NULL,	"sys_altclk",	&sys_altclk,	CK_3XXX),
-	CLK("omap-mcbsp.1",	"pad_fck",	&mcbsp_clks,	CK_3XXX),
-	CLK("omap-mcbsp.2",	"pad_fck",	&mcbsp_clks,	CK_3XXX),
-	CLK("omap-mcbsp.3",	"pad_fck",	&mcbsp_clks,	CK_3XXX),
-	CLK("omap-mcbsp.4",	"pad_fck",	&mcbsp_clks,	CK_3XXX),
-	CLK("omap-mcbsp.5",	"pad_fck",	&mcbsp_clks,	CK_3XXX),
 	CLK(NULL,	"mcbsp_clks",	&mcbsp_clks,	CK_3XXX),
 	CLK(NULL,	"sys_clkout1",	&sys_clkout1,	CK_3XXX),
 	CLK(NULL,	"dpll1_ck",	&dpll1_ck,	CK_3XXX),
@@ -3307,8 +3302,6 @@ static struct omap_clk omap3xxx_clks[] = {
 	CLK(NULL,	"ts_fck",	&ts_fck,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
 	CLK(NULL,	"usbtll_fck",	&usbtll_fck,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
 	CLK("usbhs_omap",	"usbtll_fck",	&usbtll_fck,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
-	CLK("omap-mcbsp.1",	"prcm_fck",	&core_96m_fck,	CK_3XXX),
-	CLK("omap-mcbsp.5",	"prcm_fck",	&core_96m_fck,	CK_3XXX),
 	CLK(NULL,	"core_96m_fck",	&core_96m_fck,	CK_3XXX),
 	CLK(NULL,	"mmchs3_fck",	&mmchs3_fck,	CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
 	CLK(NULL,	"mmchs2_fck",	&mmchs2_fck,	CK_3XXX),
@@ -3413,9 +3406,6 @@ static struct omap_clk omap3xxx_clks[] = {
 	CLK(NULL,	"omap_32ksync_ick", &omap_32ksync_ick, CK_3XXX),
 	CLK(NULL,	"gpt12_ick",	&gpt12_ick,	CK_3XXX),
 	CLK(NULL,	"gpt1_ick",	&gpt1_ick,	CK_3XXX),
-	CLK("omap-mcbsp.2",	"prcm_fck",	&per_96m_fck,	CK_3XXX),
-	CLK("omap-mcbsp.3",	"prcm_fck",	&per_96m_fck,	CK_3XXX),
-	CLK("omap-mcbsp.4",	"prcm_fck",	&per_96m_fck,	CK_3XXX),
 	CLK(NULL,	"per_96m_fck",	&per_96m_fck,	CK_3XXX),
 	CLK(NULL,	"per_48m_fck",	&per_48m_fck,	CK_3XXX),
 	CLK(NULL,	"uart3_fck",	&uart3_fck,	CK_3XXX),
diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h
index f7b58609bad..349dcbb6fec 100644
--- a/arch/arm/mach-omap2/clockdomain.h
+++ b/arch/arm/mach-omap2/clockdomain.h
@@ -206,7 +206,5 @@ extern struct clkdm_ops omap4_clkdm_operations;
 extern struct clkdm_dep gfx_24xx_wkdeps[];
 extern struct clkdm_dep dsp_24xx_wkdeps[];
 extern struct clockdomain wkup_common_clkdm;
-extern struct clockdomain prm_common_clkdm;
-extern struct clockdomain cm_common_clkdm;
 
 #endif
diff --git a/arch/arm/mach-omap2/clockdomains2420_data.c b/arch/arm/mach-omap2/clockdomains2420_data.c
index 0ab8e46d5b2..5c741852fac 100644
--- a/arch/arm/mach-omap2/clockdomains2420_data.c
+++ b/arch/arm/mach-omap2/clockdomains2420_data.c
@@ -131,8 +131,6 @@ static struct clockdomain dss_2420_clkdm = {
 
 static struct clockdomain *clockdomains_omap242x[] __initdata = {
 	&wkup_common_clkdm,
-	&cm_common_clkdm,
-	&prm_common_clkdm,
 	&mpu_2420_clkdm,
 	&iva1_2420_clkdm,
 	&dsp_2420_clkdm,
diff --git a/arch/arm/mach-omap2/clockdomains2430_data.c b/arch/arm/mach-omap2/clockdomains2430_data.c
index 3645ed04489..f09617555e1 100644
--- a/arch/arm/mach-omap2/clockdomains2430_data.c
+++ b/arch/arm/mach-omap2/clockdomains2430_data.c
@@ -157,8 +157,6 @@ static struct clockdomain dss_2430_clkdm = {
 
 static struct clockdomain *clockdomains_omap243x[] __initdata = {
 	&wkup_common_clkdm,
-	&cm_common_clkdm,
-	&prm_common_clkdm,
 	&mpu_2430_clkdm,
 	&mdm_clkdm,
 	&dsp_2430_clkdm,
diff --git a/arch/arm/mach-omap2/clockdomains3xxx_data.c b/arch/arm/mach-omap2/clockdomains3xxx_data.c
index 6038adb9771..2cdc17c9d2f 100644
--- a/arch/arm/mach-omap2/clockdomains3xxx_data.c
+++ b/arch/arm/mach-omap2/clockdomains3xxx_data.c
@@ -347,8 +347,6 @@ static struct clkdm_autodep clkdm_autodeps[] = {
 
 static struct clockdomain *clockdomains_omap3430_common[] __initdata = {
 	&wkup_common_clkdm,
-	&cm_common_clkdm,
-	&prm_common_clkdm,
 	&mpu_3xxx_clkdm,
 	&neon_clkdm,
 	&iva2_clkdm,
diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c
index c5342584749..bd7ed13515c 100644
--- a/arch/arm/mach-omap2/clockdomains44xx_data.c
+++ b/arch/arm/mach-omap2/clockdomains44xx_data.c
@@ -430,8 +430,6 @@ static struct clockdomain *clockdomains_omap44xx[] __initdata = {
 	&l4_wkup_44xx_clkdm,
 	&emu_sys_44xx_clkdm,
 	&l3_dma_44xx_clkdm,
-	&prm_common_clkdm,
-	&cm_common_clkdm,
 	NULL
 };
 
diff --git a/arch/arm/mach-omap2/clockdomains_common_data.c b/arch/arm/mach-omap2/clockdomains_common_data.c
deleted file mode 100644
index 615b1f04967..00000000000
--- a/arch/arm/mach-omap2/clockdomains_common_data.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * OMAP2+-common clockdomain data
- *
- * Copyright (C) 2008-2012 Texas Instruments, Inc.
- * Copyright (C) 2008-2010 Nokia Corporation
- *
- * Paul Walmsley, Jouni Högander
- */
-
-#include <linux/kernel.h>
-#include <linux/io.h>
-
-#include "clockdomain.h"
-
-/* These are implicit clockdomains - they are never defined as such in TRM */
-struct clockdomain prm_common_clkdm = {
-	.name		= "prm_clkdm",
-	.pwrdm		= { .name = "wkup_pwrdm" },
-};
-
-struct clockdomain cm_common_clkdm = {
-	.name		= "cm_clkdm",
-	.pwrdm		= { .name = "core_pwrdm" },
-};
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c
index 08e674bb041..3223b81e753 100644
--- a/arch/arm/mach-omap2/control.c
+++ b/arch/arm/mach-omap2/control.c
@@ -241,6 +241,49 @@ void omap3_ctrl_write_boot_mode(u8 bootmode)
 
 #endif
 
+/**
+ * omap_ctrl_write_dsp_boot_addr - set boot address for a remote processor
+ * @bootaddr: physical address of the boot loader
+ *
+ * Set boot address for the boot loader of a supported processor
+ * when a power ON sequence occurs.
+ */
+void omap_ctrl_write_dsp_boot_addr(u32 bootaddr)
+{
+	u32 offset = cpu_is_omap243x() ? OMAP243X_CONTROL_IVA2_BOOTADDR :
+		     cpu_is_omap34xx() ? OMAP343X_CONTROL_IVA2_BOOTADDR :
+		     cpu_is_omap44xx() ? OMAP4_CTRL_MODULE_CORE_DSP_BOOTADDR :
+		     0;
+
+	if (!offset) {
+		pr_err("%s: unsupported omap type\n", __func__);
+		return;
+	}
+
+	omap_ctrl_writel(bootaddr, offset);
+}
+
+/**
+ * omap_ctrl_write_dsp_boot_mode - set boot mode for a remote processor
+ * @bootmode: 8-bit value to pass to some boot code
+ *
+ * Sets boot mode for the boot loader of a supported processor
+ * when a power ON sequence occurs.
+ */
+void omap_ctrl_write_dsp_boot_mode(u8 bootmode)
+{
+	u32 offset = cpu_is_omap243x() ? OMAP243X_CONTROL_IVA2_BOOTMOD :
+		     cpu_is_omap34xx() ? OMAP343X_CONTROL_IVA2_BOOTMOD :
+		     0;
+
+	if (!offset) {
+		pr_err("%s: unsupported omap type\n", __func__);
+		return;
+	}
+
+	omap_ctrl_writel(bootmode, offset);
+}
+
 #if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
 /*
  * Clears the scratchpad contents in case of cold boot-
diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
index a406fd045ce..fcc98f822d9 100644
--- a/arch/arm/mach-omap2/control.h
+++ b/arch/arm/mach-omap2/control.h
@@ -397,6 +397,8 @@ extern u32 omap3_arm_context[128];
 extern void omap3_control_save_context(void);
 extern void omap3_control_restore_context(void);
 extern void omap3_ctrl_write_boot_mode(u8 bootmode);
+extern void omap_ctrl_write_dsp_boot_addr(u32 bootaddr);
+extern void omap_ctrl_write_dsp_boot_mode(u8 bootmode);
 extern void omap3630_ctrl_disable_rta(void);
 extern int omap3_ctrl_save_padconf(void);
 #else
diff --git a/arch/arm/mach-omap2/dsp.c b/arch/arm/mach-omap2/dsp.c
index 88ffa1e645c..a636ebc16b3 100644
--- a/arch/arm/mach-omap2/dsp.c
+++ b/arch/arm/mach-omap2/dsp.c
@@ -23,6 +23,7 @@
 
 #include <asm/memblock.h>
 
+#include "control.h"
 #include "cm2xxx_3xxx.h"
 #include "prm2xxx_3xxx.h"
 #ifdef CONFIG_BRIDGE_DVFS
@@ -46,6 +47,9 @@ static struct omap_dsp_platform_data omap_dsp_pdata __initdata = {
 	.dsp_cm_read = omap2_cm_read_mod_reg,
 	.dsp_cm_write = omap2_cm_write_mod_reg,
 	.dsp_cm_rmw_bits = omap2_cm_rmw_mod_reg_bits,
+
+	.set_bootaddr = omap_ctrl_write_dsp_boot_addr,
+	.set_bootmode = omap_ctrl_write_dsp_boot_mode,
 };
 
 static phys_addr_t omap_dsp_phys_mempool_base;
diff --git a/arch/arm/mach-omap2/include/mach/ctrl_module_core_44xx.h b/arch/arm/mach-omap2/include/mach/ctrl_module_core_44xx.h
index 2f7ac70a20d..01970824e0e 100644
--- a/arch/arm/mach-omap2/include/mach/ctrl_module_core_44xx.h
+++ b/arch/arm/mach-omap2/include/mach/ctrl_module_core_44xx.h
@@ -42,6 +42,7 @@
 #define OMAP4_CTRL_MODULE_CORE_STD_FUSE_OPP_DPLL_1		0x0268
 #define OMAP4_CTRL_MODULE_CORE_STATUS				0x02c4
 #define OMAP4_CTRL_MODULE_CORE_DEV_CONF				0x0300
+#define OMAP4_CTRL_MODULE_CORE_DSP_BOOTADDR			0x0304
 #define OMAP4_CTRL_MODULE_CORE_LDOVBB_IVA_VOLTAGE_CTRL		0x0314
 #define OMAP4_CTRL_MODULE_CORE_LDOVBB_MPU_VOLTAGE_CTRL		0x0318
 #define OMAP4_CTRL_MODULE_CORE_LDOSRAM_IVA_VOLTAGE_CTRL		0x0320
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 773193670ea..f97f0624bca 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -166,6 +166,31 @@
  */
 #define LINKS_PER_OCP_IF		2
 
+/**
+ * struct omap_hwmod_soc_ops - fn ptrs for some SoC-specific operations
+ * @enable_module: function to enable a module (via MODULEMODE)
+ * @disable_module: function to disable a module (via MODULEMODE)
+ *
+ * XXX Eventually this functionality will be hidden inside the PRM/CM
+ * device drivers.  Until then, this should avoid huge blocks of cpu_is_*()
+ * conditionals in this code.
+ */
+struct omap_hwmod_soc_ops {
+	void (*enable_module)(struct omap_hwmod *oh);
+	int (*disable_module)(struct omap_hwmod *oh);
+	int (*wait_target_ready)(struct omap_hwmod *oh);
+	int (*assert_hardreset)(struct omap_hwmod *oh,
+				struct omap_hwmod_rst_info *ohri);
+	int (*deassert_hardreset)(struct omap_hwmod *oh,
+				  struct omap_hwmod_rst_info *ohri);
+	int (*is_hardreset_asserted)(struct omap_hwmod *oh,
+				     struct omap_hwmod_rst_info *ohri);
+	int (*init_clkdm)(struct omap_hwmod *oh);
+};
+
+/* soc_ops: adapts the omap_hwmod code to the currently-booted SoC */
+static struct omap_hwmod_soc_ops soc_ops;
+
 /* omap_hwmod_list contains all registered struct omap_hwmods */
 static LIST_HEAD(omap_hwmod_list);
 
@@ -186,6 +211,9 @@ static struct omap_hwmod_link *linkspace;
  */
 static unsigned short free_ls, max_ls, ls_supp;
 
+/* inited: set to true once the hwmod code is initialized */
+static bool inited;
+
 /* Private functions */
 
 /**
@@ -771,23 +799,19 @@ static void _disable_optional_clocks(struct omap_hwmod *oh)
 }
 
 /**
- * _enable_module - enable CLKCTRL modulemode on OMAP4
+ * _omap4_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)
+static void _omap4_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);
+	pr_debug("omap_hwmod: %s: %s: %d\n",
+		 oh->name, __func__, oh->prcm.omap4.modulemode);
 
 	omap4_cminst_module_enable(oh->prcm.omap4.modulemode,
 				   oh->clkdm->prcm_partition,
@@ -807,10 +831,7 @@ static void _enable_module(struct omap_hwmod *oh)
  */
 static int _omap4_wait_target_disable(struct omap_hwmod *oh)
 {
-	if (!cpu_is_omap44xx())
-		return 0;
-
-	if (!oh)
+	if (!oh || !oh->clkdm)
 		return -EINVAL;
 
 	if (oh->_int_flags & _HWMOD_NO_MPU_PORT)
@@ -1285,24 +1306,20 @@ 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.
+ * Return -EINVAL if the clkdm_name lookup failed.
  */
 static int _init_clkdm(struct omap_hwmod *oh)
 {
-	if (cpu_is_omap24xx() || cpu_is_omap34xx())
+	if (!oh->clkdm_name)
 		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",
@@ -1338,7 +1355,8 @@ 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 (soc_ops.init_clkdm)
+		ret |= soc_ops.init_clkdm(oh);
 
 	if (!ret)
 		oh->_state = _HWMOD_STATE_CLKS_INITED;
@@ -1349,53 +1367,6 @@ static int _init_clocks(struct omap_hwmod *oh, void *data)
 }
 
 /**
- * _wait_target_ready - wait for a module to leave slave idle
- * @oh: struct omap_hwmod *
- *
- * 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.
- */
-static int _wait_target_ready(struct omap_hwmod *oh)
-{
-	struct omap_hwmod_ocp_if *os;
-	int ret;
-
-	if (!oh)
-		return -EINVAL;
-
-	if (oh->flags & HWMOD_NO_IDLEST)
-		return 0;
-
-	os = _find_mpu_rt_port(oh);
-	if (!os)
-		return 0;
-
-	/* XXX check module SIDLEMODE */
-
-	/* XXX check clock enable states */
-
-	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
-		ret = omap2_cm_wait_module_ready(oh->prcm.omap2.module_offs,
-						 oh->prcm.omap2.idlest_reg_id,
-						 oh->prcm.omap2.idlest_idle_bit);
-	} else if (cpu_is_omap44xx()) {
-		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();
-	};
-
-	return ret;
-}
-
-/**
  * _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
@@ -1431,32 +1402,31 @@ static u8 _lookup_hardreset(struct omap_hwmod *oh, const char *name,
  * @oh: struct omap_hwmod *
  * @name: name of the reset line to lookup and assert
  *
- * Some IP like dsp, ipu or iva contain processor that require
- * an HW reset line to be assert / deassert in order to enable fully
- * the IP.
+ * Some IP like dsp, ipu or iva contain processor that require an HW
+ * reset line to be assert / deassert in order to enable fully the IP.
+ * Returns -EINVAL if @oh is null, -ENOSYS if we have no way of
+ * asserting the hardreset line on the currently-booted SoC, or passes
+ * along the return value from _lookup_hardreset() or the SoC's
+ * assert_hardreset code.
  */
 static int _assert_hardreset(struct omap_hwmod *oh, const char *name)
 {
 	struct omap_hwmod_rst_info ohri;
-	u8 ret;
+	u8 ret = -EINVAL;
 
 	if (!oh)
 		return -EINVAL;
 
+	if (!soc_ops.assert_hardreset)
+		return -ENOSYS;
+
 	ret = _lookup_hardreset(oh, name, &ohri);
 	if (IS_ERR_VALUE(ret))
 		return ret;
 
-	if (cpu_is_omap24xx() || cpu_is_omap34xx())
-		return omap2_prm_assert_hardreset(oh->prcm.omap2.module_offs,
-						  ohri.rst_shift);
-	else if (cpu_is_omap44xx())
-		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;
+	ret = soc_ops.assert_hardreset(oh, &ohri);
+
+	return ret;
 }
 
 /**
@@ -1465,38 +1435,29 @@ static int _assert_hardreset(struct omap_hwmod *oh, const char *name)
  * @oh: struct omap_hwmod *
  * @name: name of the reset line to look up and deassert
  *
- * Some IP like dsp, ipu or iva contain processor that require
- * an HW reset line to be assert / deassert in order to enable fully
- * the IP.
+ * Some IP like dsp, ipu or iva contain processor that require an HW
+ * reset line to be assert / deassert in order to enable fully the IP.
+ * Returns -EINVAL if @oh is null, -ENOSYS if we have no way of
+ * deasserting the hardreset line on the currently-booted SoC, or passes
+ * along the return value from _lookup_hardreset() or the SoC's
+ * deassert_hardreset code.
  */
 static int _deassert_hardreset(struct omap_hwmod *oh, const char *name)
 {
 	struct omap_hwmod_rst_info ohri;
-	int ret;
+	int ret = -EINVAL;
 
 	if (!oh)
 		return -EINVAL;
 
+	if (!soc_ops.deassert_hardreset)
+		return -ENOSYS;
+
 	ret = _lookup_hardreset(oh, name, &ohri);
 	if (IS_ERR_VALUE(ret))
 		return ret;
 
-	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
-		ret = omap2_prm_deassert_hardreset(oh->prcm.omap2.module_offs,
-						   ohri.rst_shift,
-						   ohri.st_shift);
-	} else if (cpu_is_omap44xx()) {
-		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_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;
-	}
-
+	ret = soc_ops.deassert_hardreset(oh, &ohri);
 	if (ret == -EBUSY)
 		pr_warning("omap_hwmod: %s: failed to hardreset\n", oh->name);
 
@@ -1509,31 +1470,28 @@ static int _deassert_hardreset(struct omap_hwmod *oh, const char *name)
  * @oh: struct omap_hwmod *
  * @name: name of the reset line to look up and read
  *
- * Return the state of the reset line.
+ * Return the state of the reset line.  Returns -EINVAL if @oh is
+ * null, -ENOSYS if we have no way of reading the hardreset line
+ * status on the currently-booted SoC, or passes along the return
+ * value from _lookup_hardreset() or the SoC's is_hardreset_asserted
+ * code.
  */
 static int _read_hardreset(struct omap_hwmod *oh, const char *name)
 {
 	struct omap_hwmod_rst_info ohri;
-	u8 ret;
+	u8 ret = -EINVAL;
 
 	if (!oh)
 		return -EINVAL;
 
+	if (!soc_ops.is_hardreset_asserted)
+		return -ENOSYS;
+
 	ret = _lookup_hardreset(oh, name, &ohri);
 	if (IS_ERR_VALUE(ret))
 		return ret;
 
-	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
-		return omap2_prm_is_hardreset_asserted(oh->prcm.omap2.module_offs,
-						       ohri.st_shift);
-	} else if (cpu_is_omap44xx()) {
-		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;
-	}
+	return soc_ops.is_hardreset_asserted(oh, &ohri);
 }
 
 /**
@@ -1571,10 +1529,6 @@ static int _omap4_disable_module(struct omap_hwmod *oh)
 {
 	int v;
 
-	/* The module mode does not exist prior OMAP4 */
-	if (!cpu_is_omap44xx())
-		return -EINVAL;
-
 	if (!oh->clkdm || !oh->prcm.omap4.modulemode)
 		return -EINVAL;
 
@@ -1814,9 +1768,11 @@ static int _enable(struct omap_hwmod *oh)
 	}
 
 	_enable_clocks(oh);
-	_enable_module(oh);
+	if (soc_ops.enable_module)
+		soc_ops.enable_module(oh);
 
-	r = _wait_target_ready(oh);
+	r = (soc_ops.wait_target_ready) ? soc_ops.wait_target_ready(oh) :
+		-EINVAL;
 	if (!r) {
 		/*
 		 * Set the clockdomain to HW_AUTO only if the target is ready,
@@ -1870,7 +1826,8 @@ static int _idle(struct omap_hwmod *oh)
 		_idle_sysc(oh);
 	_del_initiator_dep(oh, mpu_oh);
 
-	_omap4_disable_module(oh);
+	if (soc_ops.disable_module)
+		soc_ops.disable_module(oh);
 
 	/*
 	 * The module must be in idle mode before disabling any parents
@@ -1975,7 +1932,8 @@ 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 */
-		_omap4_disable_module(oh);
+		if (soc_ops.disable_module)
+			soc_ops.disable_module(oh);
 		_disable_clocks(oh);
 		if (oh->clkdm)
 			clkdm_hwmod_disable(oh->clkdm, oh);
@@ -2431,6 +2389,194 @@ static int __init _alloc_linkspace(struct omap_hwmod_ocp_if **ois)
 	return 0;
 }
 
+/* Static functions intended only for use in soc_ops field function pointers */
+
+/**
+ * _omap2_wait_target_ready - wait for a module to leave slave idle
+ * @oh: struct omap_hwmod *
+ *
+ * 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.
+ */
+static int _omap2_wait_target_ready(struct omap_hwmod *oh)
+{
+	if (!oh)
+		return -EINVAL;
+
+	if (oh->flags & HWMOD_NO_IDLEST)
+		return 0;
+
+	if (!_find_mpu_rt_port(oh))
+		return 0;
+
+	/* XXX check module SIDLEMODE, hardreset status, enabled clocks */
+
+	return omap2_cm_wait_module_ready(oh->prcm.omap2.module_offs,
+					  oh->prcm.omap2.idlest_reg_id,
+					  oh->prcm.omap2.idlest_idle_bit);
+}
+
+/**
+ * _omap4_wait_target_ready - wait for a module to leave slave idle
+ * @oh: struct omap_hwmod *
+ *
+ * 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.
+ */
+static int _omap4_wait_target_ready(struct omap_hwmod *oh)
+{
+	if (!oh || !oh->clkdm)
+		return -EINVAL;
+
+	if (oh->flags & HWMOD_NO_IDLEST)
+		return 0;
+
+	if (!_find_mpu_rt_port(oh))
+		return 0;
+
+	/* XXX check module SIDLEMODE, hardreset status */
+
+	return omap4_cminst_wait_module_ready(oh->clkdm->prcm_partition,
+					      oh->clkdm->cm_inst,
+					      oh->clkdm->clkdm_offs,
+					      oh->prcm.omap4.clkctrl_offs);
+}
+
+/**
+ * _omap2_assert_hardreset - call OMAP2 PRM hardreset fn with hwmod args
+ * @oh: struct omap_hwmod * to assert hardreset
+ * @ohri: hardreset line data
+ *
+ * Call omap2_prm_assert_hardreset() with parameters extracted from
+ * the hwmod @oh and the hardreset line data @ohri.  Only intended for
+ * use as an soc_ops function pointer.  Passes along the return value
+ * from omap2_prm_assert_hardreset().  XXX This function is scheduled
+ * for removal when the PRM code is moved into drivers/.
+ */
+static int _omap2_assert_hardreset(struct omap_hwmod *oh,
+				   struct omap_hwmod_rst_info *ohri)
+{
+	return omap2_prm_assert_hardreset(oh->prcm.omap2.module_offs,
+					  ohri->rst_shift);
+}
+
+/**
+ * _omap2_deassert_hardreset - call OMAP2 PRM hardreset fn with hwmod args
+ * @oh: struct omap_hwmod * to deassert hardreset
+ * @ohri: hardreset line data
+ *
+ * Call omap2_prm_deassert_hardreset() with parameters extracted from
+ * the hwmod @oh and the hardreset line data @ohri.  Only intended for
+ * use as an soc_ops function pointer.  Passes along the return value
+ * from omap2_prm_deassert_hardreset().  XXX This function is
+ * scheduled for removal when the PRM code is moved into drivers/.
+ */
+static int _omap2_deassert_hardreset(struct omap_hwmod *oh,
+				     struct omap_hwmod_rst_info *ohri)
+{
+	return omap2_prm_deassert_hardreset(oh->prcm.omap2.module_offs,
+					    ohri->rst_shift,
+					    ohri->st_shift);
+}
+
+/**
+ * _omap2_is_hardreset_asserted - call OMAP2 PRM hardreset fn with hwmod args
+ * @oh: struct omap_hwmod * to test hardreset
+ * @ohri: hardreset line data
+ *
+ * Call omap2_prm_is_hardreset_asserted() with parameters extracted
+ * from the hwmod @oh and the hardreset line data @ohri.  Only
+ * intended for use as an soc_ops function pointer.  Passes along the
+ * return value from omap2_prm_is_hardreset_asserted().  XXX This
+ * function is scheduled for removal when the PRM code is moved into
+ * drivers/.
+ */
+static int _omap2_is_hardreset_asserted(struct omap_hwmod *oh,
+					struct omap_hwmod_rst_info *ohri)
+{
+	return omap2_prm_is_hardreset_asserted(oh->prcm.omap2.module_offs,
+					       ohri->st_shift);
+}
+
+/**
+ * _omap4_assert_hardreset - call OMAP4 PRM hardreset fn with hwmod args
+ * @oh: struct omap_hwmod * to assert hardreset
+ * @ohri: hardreset line data
+ *
+ * Call omap4_prminst_assert_hardreset() with parameters extracted
+ * from the hwmod @oh and the hardreset line data @ohri.  Only
+ * intended for use as an soc_ops function pointer.  Passes along the
+ * return value from omap4_prminst_assert_hardreset().  XXX This
+ * function is scheduled for removal when the PRM code is moved into
+ * drivers/.
+ */
+static int _omap4_assert_hardreset(struct omap_hwmod *oh,
+				   struct omap_hwmod_rst_info *ohri)
+{
+	if (!oh->clkdm)
+		return -EINVAL;
+
+	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);
+}
+
+/**
+ * _omap4_deassert_hardreset - call OMAP4 PRM hardreset fn with hwmod args
+ * @oh: struct omap_hwmod * to deassert hardreset
+ * @ohri: hardreset line data
+ *
+ * Call omap4_prminst_deassert_hardreset() with parameters extracted
+ * from the hwmod @oh and the hardreset line data @ohri.  Only
+ * intended for use as an soc_ops function pointer.  Passes along the
+ * return value from omap4_prminst_deassert_hardreset().  XXX This
+ * function is scheduled for removal when the PRM code is moved into
+ * drivers/.
+ */
+static int _omap4_deassert_hardreset(struct omap_hwmod *oh,
+				     struct omap_hwmod_rst_info *ohri)
+{
+	if (!oh->clkdm)
+		return -EINVAL;
+
+	if (ohri->st_shift)
+		pr_err("omap_hwmod: %s: %s: hwmod data error: OMAP4 does not support st_shift\n",
+		       oh->name, ohri->name);
+	return omap4_prminst_deassert_hardreset(ohri->rst_shift,
+				oh->clkdm->pwrdm.ptr->prcm_partition,
+				oh->clkdm->pwrdm.ptr->prcm_offs,
+				oh->prcm.omap4.rstctrl_offs);
+}
+
+/**
+ * _omap4_is_hardreset_asserted - call OMAP4 PRM hardreset fn with hwmod args
+ * @oh: struct omap_hwmod * to test hardreset
+ * @ohri: hardreset line data
+ *
+ * Call omap4_prminst_is_hardreset_asserted() with parameters
+ * extracted from the hwmod @oh and the hardreset line data @ohri.
+ * Only intended for use as an soc_ops function pointer.  Passes along
+ * the return value from omap4_prmin