/*
 * OMAP2/3 System Control Module register access
 *
 * Copyright (C) 2007, 2012 Texas Instruments, Inc.
 * Copyright (C) 2007 Nokia Corporation
 *
 * Written by 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.
 */
#undef DEBUG

#include <linux/kernel.h>
#include <linux/io.h>

#include "soc.h"
#include "iomap.h"
#include "common.h"
#include "cm-regbits-34xx.h"
#include "prm-regbits-34xx.h"
#include "prm3xxx.h"
#include "cm3xxx.h"
#include "sdrc.h"
#include "pm.h"
#include "control.h"

/* Used by omap3_ctrl_save_padconf() */
#define START_PADCONF_SAVE		0x2
#define PADCONF_SAVE_DONE		0x1

static void __iomem *omap2_ctrl_base;
static void __iomem *omap4_ctrl_pad_base;

#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
struct omap3_scratchpad {
	u32 boot_config_ptr;
	u32 public_restore_ptr;
	u32 secure_ram_restore_ptr;
	u32 sdrc_module_semaphore;
	u32 prcm_block_offset;
	u32 sdrc_block_offset;
};

struct omap3_scratchpad_prcm_block {
	u32 prm_clksrc_ctrl;
	u32 prm_clksel;
	u32 cm_clksel_core;
	u32 cm_clksel_wkup;
	u32 cm_clken_pll;
	u32 cm_autoidle_pll;
	u32 cm_clksel1_pll;
	u32 cm_clksel2_pll;
	u32 cm_clksel3_pll;
	u32 cm_clken_pll_mpu;
	u32 cm_autoidle_pll_mpu;
	u32 cm_clksel1_pll_mpu;
	u32 cm_clksel2_pll_mpu;
	u32 prcm_block_size;
};

struct omap3_scratchpad_sdrc_block {
	u16 sysconfig;
	u16 cs_cfg;
	u16 sharing;
	u16 err_type;
	u32 dll_a_ctrl;
	u32 dll_b_ctrl;
	u32 power;
	u32 cs_0;
	u32 mcfg_0;
	u16 mr_0;
	u16 emr_1_0;
	u16 emr_2_0;
	u16 emr_3_0;
	u32 actim_ctrla_0;
	u32 actim_ctrlb_0;
	u32 rfr_ctrl_0;
	u32 cs_1;
	u32 mcfg_1;
	u16 mr_1;
	u16 emr_1_1;
	u16 emr_2_1;
	u16 emr_3_1;
	u32 actim_ctrla_1;
	u32 actim_ctrlb_1;
	u32 rfr_ctrl_1;
	u16 dcdl_1_ctrl;
	u16 dcdl_2_ctrl;
	u32 flags;
	u32 block_size;