@@ -68,7 +68,9 @@ obj-$(CONFIG_ARCH_OMAP3) += prcm.o cm2xxx_3xxx.o prm2xxx_3xxx.o
# XXX The presence of cm2xxx_3xxx.o on the line below is temporary and
# will be removed once the OMAP4 part of the codebase is converted to
# use OMAP4-specific PRCM functions.
-obj-$(CONFIG_ARCH_OMAP4) += prcm.o cm2xxx_3xxx.o cm4xxx.o
+obj-$(CONFIG_ARCH_OMAP4) += prcm.o cm2xxx_3xxx.o cminst44xx.o \
+ cm44xx.o prcm_mpu44xx.o \
+ prminst44xx.o
# OMAP powerdomain framework
powerdomain-common += powerdomain.o powerdomain-common.o
@@ -248,4 +248,9 @@
#define OMAP4_CM_DYN_DEP_PRESCAL_RESTORE_OFFSET 0x0040
#define OMAP4430_CM_DYN_DEP_PRESCAL_RESTORE OMAP44XX_CM1_REGADDR(OMAP4430_CM1_RESTORE_INST, 0x0040)
+/* Function prototypes */
+extern u32 omap4_cm1_read_inst_reg(s16 inst, u16 idx);
+extern void omap4_cm1_write_inst_reg(u32 val, s16 inst, u16 idx);
+extern u32 omap4_cm1_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 idx);
+
#endif
@@ -480,4 +480,10 @@
#define OMAP4430_CM_L3INIT_USB_TLL_CLKCTRL_RESTORE OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_INST, 0x0058)
#define OMAP4_CM_SDMA_STATICDEP_RESTORE_OFFSET 0x005c
#define OMAP4430_CM_SDMA_STATICDEP_RESTORE OMAP44XX_CM2_REGADDR(OMAP4430_CM2_RESTORE_INST, 0x005c)
+
+/* Function prototypes */
+extern u32 omap4_cm2_read_inst_reg(s16 inst, u16 idx);
+extern void omap4_cm2_write_inst_reg(u32 val, s16 inst, u16 idx);
+extern u32 omap4_cm2_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 idx);
+
#endif
new file mode 100644
@@ -0,0 +1,52 @@
+/*
+ * OMAP4 CM1, CM2 module low-level functions
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * These functions are intended to be used only by the cminst44xx.c file.
+ * XXX Perhaps we should just move them there and make them static.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <plat/common.h>
+
+#include "cm.h"
+#include "cm1_44xx.h"
+#include "cm2_44xx.h"
+#include "cm-regbits-44xx.h"
+
+/* CM1 hardware module low-level functions */
+
+/* Read a register in CM1 */
+u32 omap4_cm1_read_inst_reg(s16 inst, u16 reg)
+{
+ return __raw_readl(OMAP44XX_CM1_REGADDR(inst, reg));
+}
+
+/* Write into a register in CM1 */
+void omap4_cm1_write_inst_reg(u32 val, s16 inst, u16 reg)
+{
+ __raw_writel(val, OMAP44XX_CM1_REGADDR(inst, reg));
+}
+
+/* Read a register in CM2 */
+u32 omap4_cm2_read_inst_reg(s16 inst, u16 reg)
+{
+ return __raw_readl(OMAP44XX_CM2_REGADDR(inst, reg));
+}
+
+/* Write into a register in CM2 */
+void omap4_cm2_write_inst_reg(u32 val, s16 inst, u16 reg)
+{
+ __raw_writel(val, OMAP44XX_CM2_REGADDR(inst, reg));
+}
deleted file mode 100644
@@ -1,62 +0,0 @@
-/*
- * OMAP4 CM module functions
- *
- * Copyright (C) 2009 Nokia Corporation
- * Paul Walmsley
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/io.h>
-
-#include <asm/atomic.h>
-
-#include <plat/common.h>
-
-#include "cm44xx.h"
-#include "cm-regbits-44xx.h"
-
-/**
- * omap4_cm_wait_module_ready - wait for a module to be in 'func' state
- * @clkctrl_reg: CLKCTRL module address
- *
- * 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"
- *
- * 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
- *
- */
-int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg)
-{
- int i = 0;
-
- if (!clkctrl_reg)
- 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);
-
- return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
-}
-
new file mode 100644
@@ -0,0 +1,118 @@
+/*
+ * OMAP4 CM instance functions
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This is needed since CM instances can be in the PRM, PRCM_MPU, CM1,
+ * or CM2 hardware modules. For example, the EMU_CM CM instance is in
+ * the PRM hardware module. What a mess...
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <plat/common.h>
+
+#include "cm.h"
+#include "cm1_44xx.h"
+#include "cm2_44xx.h"
+#include "cm44xx.h"
+#include "cminst44xx.h"
+#include "cm-regbits-44xx.h"
+#include "prcm44xx.h"
+#include "prm44xx.h"
+#include "prcm_mpu44xx.h"
+
+static u32 (*_cm_read_fns[OMAP4_MAX_PRCM_PARTITIONS])(s16, u16) = {
+ [OMAP4430_INVALID_PRCM_PARTITION] = NULL,
+ [OMAP4430_PRM_PARTITION] = &omap4_prm_read_inst_reg,
+ [OMAP4430_CM1_PARTITION] = &omap4_cm1_read_inst_reg,
+ [OMAP4430_CM2_PARTITION] = &omap4_cm2_read_inst_reg,
+ [OMAP4430_SCRM_PARTITION] = NULL,
+ [OMAP4430_PRCM_MPU_PARTITION] = &omap4_prcm_mpu_read_inst_reg
+};
+
+static void (*_cm_write_fns[OMAP4_MAX_PRCM_PARTITIONS])(u32, s16, u16) = {
+ [OMAP4430_INVALID_PRCM_PARTITION] = NULL,
+ [OMAP4430_PRM_PARTITION] = &omap4_prm_write_inst_reg,
+ [OMAP4430_CM1_PARTITION] = &omap4_cm1_write_inst_reg,
+ [OMAP4430_CM2_PARTITION] = &omap4_cm2_write_inst_reg,
+ [OMAP4430_SCRM_PARTITION] = NULL,
+ [OMAP4430_PRCM_MPU_PARTITION] = &omap4_prcm_mpu_write_inst_reg
+};
+
+/* Read a register in a CM instance */
+u32 omap4_cminst_read_inst_reg(u8 part, s16 module, u16 idx)
+{
+ BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
+ part == OMAP4430_INVALID_PRCM_PARTITION ||
+ !_cm_read_fns[part]);
+ return _cm_read_fns[part](module, idx);
+}
+
+/* Write into a register in a CM instance */
+void omap4_cminst_write_inst_reg(u32 val, u8 part, s16 module, u16 idx)
+{
+ BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
+ part == OMAP4430_INVALID_PRCM_PARTITION ||
+ !_cm_write_fns[part]);
+ _cm_write_fns[part](val, module, idx);
+}
+
+/* Read-modify-write a register in CM1. Caller must lock */
+u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part,
+ s16 module, s16 idx)
+{
+ u32 v;
+
+ v = omap4_cminst_read_inst_reg(part, module, idx);
+ v &= ~mask;
+ v |= bits;
+ omap4_cminst_write_inst_reg(v, part, module, idx);
+
+ return v;
+}
+
+
+/**
+ * omap4_cm_wait_module_ready - wait for a module to be in 'func' state
+ * @clkctrl_reg: CLKCTRL module address
+ *
+ * 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"
+ *
+ * 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
+ *
+ */
+int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg)
+{
+ int i = 0;
+
+ if (!clkctrl_reg)
+ 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);
+
+ return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
+}
+
@@ -33,6 +33,7 @@
#include "cm44xx.h"
#include "prm2xxx_3xxx.h"
#include "prm44xx.h"
+#include "prcm44xx.h"
#include "prm-regbits-24xx.h"
#include "prm-regbits-44xx.h"
#include "control.h"
@@ -80,31 +81,6 @@ void omap_prcm_arch_reset(char mode, const char *cmd)
prcm_offs, OMAP4_RM_RSTCTRL);
}
-/* Read a PRM register, AND it, and shift the result down to bit 0 */
-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 */
-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;
-}
-
/**
* omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness
* @reg: physical address of module IDLEST register
new file mode 100644
@@ -0,0 +1,42 @@
+/*
+ * OMAP4 PRCM definitions
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This file contains macros and functions that are common to all of
+ * the PRM/CM/PRCM blocks on the OMAP4 devices: PRM, CM1, CM2,
+ * PRCM_MPU, SCRM
+ */
+
+#ifndef __ARCH_ARM_MACH_OMAP2_PRCM44XX_H
+#define __ARCH_ARM_MACH_OMAP2_PRCM44XX_H
+
+/*
+ * OMAP4 PRCM partition IDs
+ *
+ * The numbers and order are arbitrary, but 0 is reserved for the
+ * 'invalid' partition in case someone forgets to add a
+ * .prcm_partition field.
+ */
+#define OMAP4430_INVALID_PRCM_PARTITION 0
+#define OMAP4430_PRM_PARTITION 1
+#define OMAP4430_CM1_PARTITION 2
+#define OMAP4430_CM2_PARTITION 3
+#define OMAP4430_SCRM_PARTITION 4
+#define OMAP4430_PRCM_MPU_PARTITION 5
+
+/*
+ * OMAP4_MAX_PRCM_PARTITIONS: set to the highest value of the PRCM partition
+ * IDs, plus one
+ */
+#define OMAP4_MAX_PRCM_PARTITIONS 6
+
+
+#endif
new file mode 100644
@@ -0,0 +1,45 @@
+/*
+ * OMAP4 PRCM_MPU module functions
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <plat/common.h>
+
+#include "prcm_mpu44xx.h"
+#include "cm-regbits-44xx.h"
+
+/* PRCM_MPU low-level functions */
+
+u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 reg)
+{
+ return __raw_readl(OMAP44XX_PRCM_MPU_REGADDR(inst, reg));
+}
+
+void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 reg)
+{
+ __raw_writel(val, OMAP44XX_PRCM_MPU_REGADDR(inst, reg));
+}
+
+u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg)
+{
+ u32 v;
+
+ v = omap4_prcm_mpu_read_inst_reg(inst, reg);
+ v &= ~mask;
+ v |= bits;
+ omap4_prcm_mpu_write_inst_reg(v, inst, reg);
+
+ return v;
+}
@@ -88,4 +88,12 @@
#define OMAP4_CM_CPU1_CLKSTCTRL_OFFSET 0x0018
#define OMAP4430_CM_CPU1_CLKSTCTRL OMAP44XX_PRCM_MPU_REGADDR(OMAP4430_PRCM_MPU_CPU1_INST, 0x0018)
+/* Function prototypes */
+# ifndef __ASSEMBLER__
+extern u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 idx);
+extern void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 idx);
+extern u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst,
+ s16 idx);
+# endif
+
#endif
@@ -15,6 +15,7 @@
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/err.h>
+#include <linux/io.h>
#include <plat/common.h>
#include <plat/cpu.h>
@@ -29,6 +30,70 @@
*/
#define OMAP4_RST_CTRL_ST_OFFSET 4
+/* PRM low-level functions */
+
+/* Read a register in a CM/PRM instance in the PRM module */
+u32 omap4_prm_read_inst_reg(s16 inst, u16 reg)
+{
+ return __raw_readl(OMAP44XX_PRM_REGADDR(inst, reg));
+}
+
+/* Write into a register in a CM/PRM instance in the PRM module */
+void omap4_prm_write_inst_reg(u32 val, s16 inst, u16 reg)
+{
+ __raw_writel(val, OMAP44XX_PRM_REGADDR(inst, reg));
+}
+
+/* Read-modify-write a register in a PRM module. Caller must lock */
+u32 omap4_prm_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg)
+{
+ u32 v;
+
+ v = omap4_prm_read_inst_reg(inst, reg);
+ v &= ~mask;
+ v |= bits;
+ omap4_prm_write_inst_reg(v, inst, 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
@@ -744,6 +744,12 @@
/* Function prototypes */
# ifndef __ASSEMBLER__
+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);
new file mode 100644
@@ -0,0 +1,74 @@
+/*
+ * OMAP4 PRM instance functions
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <plat/common.h>
+
+#include "prm44xx.h"
+#include "prminst44xx.h"
+#include "prm-regbits-44xx.h"
+#include "prcm44xx.h"
+#include "prcm_mpu44xx.h"
+
+static u32 (*_prm_read_fns[OMAP4_MAX_PRCM_PARTITIONS])(s16, u16) = {
+ [OMAP4430_INVALID_PRCM_PARTITION] = NULL,
+ [OMAP4430_PRM_PARTITION] = &omap4_prm_read_inst_reg,
+ [OMAP4430_CM1_PARTITION] = NULL,
+ [OMAP4430_CM2_PARTITION] = NULL,
+ [OMAP4430_SCRM_PARTITION] = NULL,
+ [OMAP4430_PRCM_MPU_PARTITION] = &omap4_prcm_mpu_read_inst_reg
+};
+
+static void (*_prm_write_fns[OMAP4_MAX_PRCM_PARTITIONS])(u32, s16, u16) = {
+ [OMAP4430_INVALID_PRCM_PARTITION] = NULL,
+ [OMAP4430_PRM_PARTITION] = &omap4_prm_write_inst_reg,
+ [OMAP4430_CM1_PARTITION] = NULL,
+ [OMAP4430_CM2_PARTITION] = NULL,
+ [OMAP4430_SCRM_PARTITION] = NULL,
+ [OMAP4430_PRCM_MPU_PARTITION] = &omap4_prcm_mpu_write_inst_reg
+};
+
+/* Read a register in a PRM instance */
+u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx)
+{
+ BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
+ part == OMAP4430_INVALID_PRCM_PARTITION ||
+ !_prm_read_fns[part]);
+ return _prm_read_fns[part](inst, idx);
+}
+
+/* Write into a register in a PRM instance */
+void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx)
+{
+ BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
+ part == OMAP4430_INVALID_PRCM_PARTITION ||
+ !_prm_write_fns[part]);
+ _prm_write_fns[part](val, inst, 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)
+{
+ u32 v;
+
+ v = omap4_prminst_read_inst_reg(part, inst, idx);
+ v &= ~mask;
+ v |= bits;
+ omap4_prminst_write_inst_reg(v, part, inst, idx);
+
+ return v;
+}
new file mode 100644
@@ -0,0 +1,25 @@
+/*
+ * OMAP4 Power/Reset Management (PRM) function prototypes
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ARCH_ASM_MACH_OMAP2_PRMINST44XX_H
+#define __ARCH_ASM_MACH_OMAP2_PRMINST44XX_H
+
+/*
+ * In an ideal world, we would not export these low-level functions,
+ * but this will probably take some time to fix properly
+ */
+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);
+
+extern void omap4_prm_global_warm_sw_reset(void);
+
+#endif
@@ -18,6 +18,10 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * XXX This file is deprecated. The PRCM is an OMAP2+-only subsystem,
+ * so this file doesn't belong in plat-omap/include/plat. Please
+ * do not add anything new to this file.
*/
#ifndef __ASM_ARM_ARCH_OMAP_PRCM_H
@@ -31,9 +35,6 @@ int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest,
#define START_PADCONF_SAVE 0x2
#define PADCONF_SAVE_DONE 0x1
-u32 omap4_prm_read_bits_shift(void __iomem *reg, u32 mask);
-u32 omap4_prm_rmw_reg_bits(u32 mask, u32 bits, void __iomem *reg);
-
#endif