control.h

/*
 * arch/arm/plat-omap/include/mach/control.h
 *
 * OMAP2/3/4 System Control Module definitions
 *
 * Copyright (C) 2007-2009 Texas Instruments, Inc.
 * Copyright (C) 2007-2008 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 as published by
 * the Free Software Foundation.
 */

#ifndef __ASM_ARCH_CONTROL_H
#define __ASM_ARCH_CONTROL_H

#include <mach/io.h>

#ifndef __ASSEMBLY__
#define OMAP242X_CTRL_REGADDR(reg)					\
		OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE + (reg))
#define OMAP243X_CTRL_REGADDR(reg)					\
		OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE + (reg))
#define OMAP343X_CTRL_REGADDR(reg)					\
		OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE + (reg))
#else
#define OMAP242X_CTRL_REGADDR(reg)					\
		OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE + (reg))
#define OMAP243X_CTRL_REGADDR(reg)					\
		OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE + (reg))
#define OMAP343X_CTRL_REGADDR(reg)					\
		OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE + (reg))
#endif /* __ASSEMBLY__ */

/*
 * As elsewhere, the "OMAP2_" prefix indicates that the macro is valid for
 * OMAP24XX and OMAP34XX.
 */

/* Control submodule offsets */

#define OMAP2_CONTROL_INTERFACE		0x000
#define OMAP2_CONTROL_PADCONFS		0x030
#define OMAP2_CONTROL_GENERAL		0x270
#define OMAP343X_CONTROL_MEM_WKUP	0x600
#define OMAP343X_CONTROL_PADCONFS_WKUP	0xa00
#define OMAP343X_CONTROL_GENERAL_WKUP	0xa60

/* Control register offsets - read/write with omap_ctrl_{read,write}{bwl}() */

#define OMAP2_CONTROL_SYSCONFIG		(OMAP2_CONTROL_INTERFACE + 0x10)

/* CONTROL_GENERAL register offsets common to OMAP2 & 3 */
#define OMAP2_CONTROL_DEVCONF0		(OMAP2_CONTROL_GENERAL + 0x0004)
#define OMAP2_CONTROL_MSUSPENDMUX_0	(OMAP2_CONTROL_GENERAL + 0x0020)
#define OMAP2_CONTROL_MSUSPENDMUX_1	(OMAP2_CONTROL_GENERAL + 0x0024)
#define OMAP2_CONTROL_MSUSPENDMUX_2	(OMAP2_CONTROL_GENERAL + 0x0028)
#define OMAP2_CONTROL_MSUSPENDMUX_3	(OMAP2_CONTROL_GENERAL + 0x002c)
#define OMAP2_CONTROL_MSUSPENDMUX_4	(OMAP2_CONTROL_GENERAL + 0x0030)
#define OMAP2_CONTROL_MSUSPENDMUX_5	(OMAP2_CONTROL_GENERAL + 0x0034)
#define OMAP2_CONTROL_SEC_CTRL		(OMAP2_CONTROL_GENERAL + 0x0040)
#define OMAP2_CONTROL_RPUB_KEY_H_0	(OMAP2_CONTROL_GENERAL + 0x0090)
#define OMAP2_CONTROL_RPUB_KEY_H_1	(OMAP2_CONTROL_GENERAL + 0x0094)
#define OMAP2_CONTROL_RPUB_KEY_H_2	(OMAP2_CONTROL_GENERAL + 0x0098)
#define OMAP2_CONTROL_RPUB_KEY_H_3	(OMAP2_CONTROL_GENERAL + 0x009c)

/* 242x-only CONTROL_GENERAL register offsets */
#define OMAP242X_CONTROL_DEVCONF	OMAP2_CONTROL_DEVCONF0 /* match TRM */
#define OMAP242X_CONTROL_OCM_RAM_PERM	(OMAP2_CONTROL_GENERAL + 0x0068)

/* 243x-only CONTROL_GENERAL register offsets */
/* CONTROL_IVA2_BOOT{ADDR,MOD} are at the same place on 343x - noted below */
#define OMAP243X_CONTROL_DEVCONF1	(OMAP2_CONTROL_GENERAL + 0x0078)
#define OMAP243X_CONTROL_CSIRXFE	(OMAP2_CONTROL_GENERAL + 0x007c)
#define OMAP243X_CONTROL_IVA2_BOOTADDR	(OMAP2_CONTROL_GENERAL + 0x0190)
#define OMAP243X_CONTROL_IVA2_BOOTMOD	(OMAP2_CONTROL_GENERAL + 0x0194)
#define OMAP243X_CONTROL_IVA2_GEMCFG	(OMAP2_CONTROL_GENERAL + 0x0198)
#define OMAP243X_CONTROL_PBIAS_LITE	(OMAP2_CONTROL_GENERAL + 0x0230)

/* 24xx-only CONTROL_GENERAL register offsets */
#define OMAP24XX_CONTROL_DEBOBS		(OMAP2_CONTROL_GENERAL + 0x0000)
#define OMAP24XX_CONTROL_EMU_SUPPORT	(OMAP2_CONTROL_GENERAL + 0x0008)
#define OMAP24XX_CONTROL_SEC_TEST	(OMAP2_CONTROL_GENERAL + 0x0044)
#define OMAP24XX_CONTROL_PSA_CTRL	(OMAP2_CONTROL_GENERAL + 0x0048)
#define OMAP24XX_CONTROL_PSA_CMD	(OMAP2_CONTROL_GENERAL + 0x004c)
#define OMAP24XX_CONTROL_PSA_VALUE	(OMAP2_CONTROL_GENERAL + 0x0050)
#define OMAP24XX_CONTROL_SEC_EMU	(OMAP2_CONTROL_GENERAL + 0x0060)
#define OMAP24XX_CONTROL_SEC_TAP	(OMAP2_CONTROL_GENERAL + 0x0064)
#define OMAP24XX_CONTROL_OCM_PUB_RAM_ADD	(OMAP2_CONTROL_GENERAL + 0x006c)
#define OMAP24XX_CONTROL_EXT_SEC_RAM_START_ADD	(OMAP2_CONTROL_GENERAL + 0x0070)
#define OMAP24XX_CONTROL_EXT_SEC_RAM_STOP_ADD	(OMAP2_CONTROL_GENERAL + 0x0074)
#define OMAP24XX_CONTROL_SEC_STATUS		(OMAP2_CONTROL_GENERAL + 0x0080)
#define OMAP24XX_CONTROL_SEC_ERR_STATUS		(OMAP2_CONTROL_GENERAL + 0x0084)
#define OMAP24XX_CONTROL_STATUS			(OMAP2_CONTROL_GENERAL + 0x0088)
#define OMAP24XX_CONTROL_GENERAL_PURPOSE_STATUS	(OMAP2_CONTROL_GENERAL + 0x008c)
#define OMAP24XX_CONTROL_RAND_KEY_0	(OMAP2_CONTROL_GENERAL + 0x00a0)
#define OMAP24XX_CONTROL_RAND_KEY_1	(OMAP2_CONTROL_GENERAL + 0x00a4)
#define OMAP24XX_CONTROL_RAND_KEY_2	(OMAP2_CONTROL_GENERAL + 0x00a8)
#define OMAP24XX_CONTROL_RAND_KEY_3	(OMAP2_CONTROL_GENERAL + 0x00ac)
#define OMAP24XX_CONTROL_CUST_KEY_0	(OMAP2_CONTROL_GENERAL + 0x00b0)
#define OMAP24XX_CONTROL_CUST_KEY_1	(OMAP2_CONTROL_GENERAL + 0x00b4)
#define OMAP24XX_CONTROL_TEST_KEY_0	(OMAP2_CONTROL_GENERAL + 0x00c0)
#define OMAP24XX_CONTROL_TEST_KEY_1	(OMAP2_CONTROL_GENERAL + 0x00c4)
#define OMAP24XX_CONTROL_TEST_KEY_2	(OMAP2_CONTROL_GENERAL + 0x00c8)
#define OMAP24XX_CONTROL_TEST_KEY_3	(OMAP2_CONTROL_GENERAL + 0x00cc)
#define OMAP24XX_CONTROL_TEST_KEY_4	(OMAP2_CONTROL_GENERAL + 0x00d0)
#define OMAP24XX_CONTROL_TEST_KEY_5	(OMAP2_CONTROL_GENERAL + 0x00d4)
#define OMAP24XX_CONTROL_TEST_KEY_6	(OMAP2_CONTROL_GENERAL + 0x00d8)
#define OMAP24XX_CONTROL_TEST_KEY_7	(OMAP2_CONTROL_GENERAL + 0x00dc)
#define OMAP24XX_CONTROL_TEST_KEY_8	(OMAP2_CONTROL_GENERAL + 0x00e0)
#define OMAP24XX_CONTROL_TEST_KEY_9	(OMAP2_CONTROL_GENERAL + 0x00e4)

#define OMAP343X_CONTROL_PADCONF_SYSNIRQ (OMAP2_CONTROL_INTERFACE + 0x01b0)

/* 34xx-only CONTROL_GENERAL register offsets */
#define OMAP343X_CONTROL_PADCONF_OFF	(OMAP2_CONTROL_GENERAL + 0x0000)
#define OMAP343X_CONTROL_MEM_DFTRW0	(OMAP2_CONTROL_GENERAL + 0x0008)
#define OMAP343X_CONTROL_MEM_DFTRW1	(OMAP2_CONTROL_GENERAL + 0x000c)
#define OMAP343X_CONTROL_DEVCONF1	(OMAP2_CONTROL_GENERAL + 0x0068)
#define OMAP343X_CONTROL_CSIRXFE		(OMAP2_CONTROL_GENERAL + 0x006c)
#define OMAP343X_CONTROL_SEC_STATUS		(OMAP2_CONTROL_GENERAL + 0x0070)
#define OMAP343X_CONTROL_SEC_ERR_STATUS		(OMAP2_CONTROL_GENERAL + 0x0074)
#define OMAP343X_CONTROL_SEC_ERR_STATUS_DEBUG	(OMAP2_CONTROL_GENERAL + 0x0078)
#define OMAP343X_CONTROL_STATUS			(OMAP2_CONTROL_GENERAL + 0x0080)
#define OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS	(OMAP2_CONTROL_GENERAL + 0x0084)
#define OMAP343X_CONTROL_RPUB_KEY_H_4	(OMAP2_CONTROL_GENERAL + 0x00a0)
#define OMAP343X_CONTROL_RAND_KEY_0	(OMAP2_CONTROL_GENERAL + 0x00a8)
#define OMAP343X_CONTROL_RAND_KEY_1	(OMAP2_CONTROL_GENERAL + 0x00ac)
#define OMAP343X_CONTROL_RAND_KEY_2	(OMAP2_CONTROL_GENERAL + 0x00b0)
#define OMAP343X_CONTROL_RAND_KEY_3	(OMAP2_CONTROL_GENERAL + 0x00b4)
#define OMAP343X_CONTROL_TEST_KEY_0	(OMAP2_CONTROL_GENERAL + 0x00c8)
#define OMAP343X_CONTROL_TEST_KEY_1	(OMAP2_CONTROL_GENERAL + 0x00cc)
#define OMAP343X_CONTROL_TEST_KEY_2	(OMAP2_CONTROL_GENERAL + 0x00d0)
#define OMAP343X_CONTROL_TEST_KEY_3	(OMAP2_CONTROL_GENERAL + 0x00d4)
#define OMAP343X_CONTROL_TEST_KEY_4	(OMAP2_CONTROL_GENERAL + 0x00d8)
#define OMAP343X_CONTROL_TEST_KEY_5	(OMAP2_CONTROL_GENERAL + 0x00dc)
#define OMAP343X_CONTROL_TEST_KEY_6	(OMAP2_CONTROL_GENERAL + 0x00e0)
#define OMAP343X_CONTROL_TEST_KEY_7	(OMAP2_CONTROL_GENERAL + 0x00e4)
#define OMAP343X_CONTROL_TEST_KEY_8	(OMAP2_CONTROL_GENERAL + 0x00e8)
#define OMAP343X_CONTROL_TEST_KEY_9	(OMAP2_CONTROL_GENERAL + 0x00ec)
#define OMAP343X_CONTROL_TEST_KEY_10	(OMAP2_CONTROL_GENERAL + 0x00f0)
#define OMAP343X_CONTROL_TEST_KEY_11	(OMAP2_CONTROL_GENERAL + 0x00f4)
#define OMAP343X_CONTROL_TEST_KEY_12	(OMAP2_CONTROL_GENERAL + 0x00f8)
#define OMAP343X_CONTROL_TEST_KEY_13	(OMAP2_CONTROL_GENERAL + 0x00fc)
#define OMAP343X_CONTROL_IVA2_BOOTADDR	(OMAP2_CONTROL_GENERAL + 0x0190)
#define OMAP343X_CONTROL_IVA2_BOOTMOD	(OMAP2_CONTROL_GENERAL + 0x0194)
#define OMAP343X_CONTROL_DEBOBS(i)	(OMAP2_CONTROL_GENERAL + 0x01B0 \
					+ ((i) >> 1) * 4 + (!(i) & 1) * 2)
#define OMAP343X_CONTROL_PROG_IO0	(OMAP2_CONTROL_GENERAL + 0x01D4)
#define OMAP343X_CONTROL_PROG_IO1	(OMAP2_CONTROL_GENERAL + 0x01D8)
#define OMAP343X_CONTROL_DSS_DPLL_SPREADING	(OMAP2_CONTROL_GENERAL + 0x01E0)
#define OMAP343X_CONTROL_CORE_DPLL_SPREADING	(OMAP2_CONTROL_GENERAL + 0x01E4)
#define OMAP343X_CONTROL_PER_DPLL_SPREADING	(OMAP2_CONTROL_GENERAL + 0x01E8)
#define OMAP343X_CONTROL_USBHOST_DPLL_SPREADING	(OMAP2_CONTROL_GENERAL + 0x01EC)
#define OMAP343X_CONTROL_PBIAS_LITE	(OMAP2_CONTROL_GENERAL + 0x02B0)
#define OMAP343X_CONTROL_TEMP_SENSOR	(OMAP2_CONTROL_GENERAL + 0x02B4)
#define OMAP343X_CONTROL_SRAMLDO4	(OMAP2_CONTROL_GENERAL + 0x02B8)
#define OMAP343X_CONTROL_SRAMLDO5	(OMAP2_CONTROL_GENERAL + 0x02C0)
#define OMAP343X_CONTROL_CSI		(OMAP2_CONTROL_GENERAL + 0x02C4)


/* 34xx PADCONF register offsets */
#define OMAP343X_PADCONF_ETK(i)		(OMAP2_CONTROL_PADCONFS + 0x5a8 + \
						(i)*2)
#define OMAP343X_PADCONF_ETK_CLK	OMAP343X_PADCONF_ETK(0)
#define OMAP343X_PADCONF_ETK_CTL	OMAP343X_PADCONF_ETK(1)
#define OMAP343X_PADCONF_ETK_D0		OMAP343X_PADCONF_ETK(2)
#define OMAP343X_PADCONF_ETK_D1		OMAP343X_PADCONF_ETK(3)
#define OMAP343X_PADCONF_ETK_D2		OMAP343X_PADCONF_ETK(4)
#define OMAP343X_PADCONF_ETK_D3		OMAP343X_PADCONF_ETK(5)
#define OMAP343X_PADCONF_ETK_D4		OMAP343X_PADCONF_ETK(6)
#define OMAP343X_PADCONF_ETK_D5		OMAP343X_PADCONF_ETK(7)
#define OMAP343X_PADCONF_ETK_D6		OMAP343X_PADCONF_ETK(8)
#define OMAP343X_PADCONF_ETK_D7		OMAP343X_PADCONF_ETK(9)
#define OMAP343X_PADCONF_ETK_D8		OMAP343X_PADCONF_ETK(10)
#define OMAP343X_PADCONF_ETK_D9		OMAP343X_PADCONF_ETK(11)
#define OMAP343X_PADCONF_ETK_D10	OMAP343X_PADCONF_ETK(12)
#define OMAP343X_PADCONF_ETK_D11	OMAP343X_PADCONF_ETK(13)
#define OMAP343X_PADCONF_ETK_D12	OMAP343X_PADCONF_ETK(14)
#define OMAP343X_PADCONF_ETK_D13	OMAP343X_PADCONF_ETK(15)
#define OMAP343X_PADCONF_ETK_D14	OMAP343X_PADCONF_ETK(16)
#define OMAP343X_PADCONF_ETK_D15	OMAP343X_PADCONF_ETK(17)

/* 34xx GENERAL_WKUP regist offsets */
#define OMAP343X_CONTROL_WKUP_DEBOBSMUX(i) (OMAP343X_CONTROL_GENERAL_WKUP + \
						0x008 + (i))
#define OMAP343X_CONTROL_WKUP_DEBOBS0 (OMAP343X_CONTROL_GENERAL_WKUP + 0x008)
#define OMAP343X_CONTROL_WKUP_DEBOBS1 (OMAP343X_CONTROL_GENERAL_WKUP + 0x00C)
#define OMAP343X_CONTROL_WKUP_DEBOBS2 (OMAP343X_CONTROL_GENERAL_WKUP + 0x010)
#define OMAP343X_CONTROL_WKUP_DEBOBS3 (OMAP343X_CONTROL_GENERAL_WKUP + 0x014)
#define OMAP343X_CONTROL_WKUP_DEBOBS4 (OMAP343X_CONTROL_GENERAL_WKUP + 0x018)

/* 34xx D2D idle-related pins, handled by PM core */
#define OMAP3_PADCONF_SAD2D_MSTANDBY   0x250
#define OMAP3_PADCONF_SAD2D_IDLEACK    0x254

/*
 * REVISIT: This list of registers is not comprehensive - there are more
 * that should be added.
 */

/*
 * Control module register bit defines - these should eventually go into
 * their own regbits file.  Some of these will be complicated, depending
 * on the device type (general-purpose, emulator, test, secure, bad, other)
 * and the security mode (secure, non-secure, don't care)
 */
/* CONTROL_DEVCONF0 bits */
#define OMAP2_MMCSDIO1ADPCLKISEL	(1 << 24) /* MMC1 loop back clock */
#define OMAP24XX_USBSTANDBYCTRL		(1 << 15)
#define OMAP2_MCBSP2_CLKS_MASK		(1 << 6)
#define OMAP2_MCBSP1_CLKS_MASK		(1 << 2)

/* CONTROL_DEVCONF1 bits */
#define OMAP243X_MMC1_ACTIVE_OVERWRITE	(1 << 31)
#define OMAP2_MMCSDIO2ADPCLKISEL	(1 << 6) /* MMC2 loop back clock */
#define OMAP2_MCBSP5_CLKS_MASK		(1 << 4) /* > 242x */
#define OMAP2_MCBSP4_CLKS_MASK		(1 << 2) /* > 242x */
#define OMAP2_MCBSP3_CLKS_MASK		(1 << 0) /* > 242x */

/* CONTROL_STATUS bits */
#define OMAP2_DEVICETYPE_MASK		(0x7 << 8)
#define OMAP2_SYSBOOT_5_MASK		(1 << 5)
#define OMAP2_SYSBOOT_4_MASK		(1 << 4)
#define OMAP2_SYSBOOT_3_MASK		(1 << 3)
#define OMAP2_SYSBOOT_2_MASK		(1 << 2)
#define OMAP2_SYSBOOT_1_MASK		(1 << 1)
#define OMAP2_SYSBOOT_0_MASK		(1 << 0)

/* CONTROL_PBIAS_LITE bits */
#define OMAP343X_PBIASLITESUPPLY_HIGH1	(1 << 15)
#define OMAP343X_PBIASLITEVMODEERROR1	(1 << 11)
#define OMAP343X_PBIASSPEEDCTRL1	(1 << 10)
#define OMAP343X_PBIASLITEPWRDNZ1	(1 << 9)
#define OMAP343X_PBIASLITEVMODE1	(1 << 8)
#define OMAP343X_PBIASLITESUPPLY_HIGH0	(1 << 7)
#define OMAP343X_PBIASLITEVMODEERROR0	(1 << 3)
#define OMAP2_PBIASSPEEDCTRL0		(1 << 2)
#define OMAP2_PBIASLITEPWRDNZ0		(1 << 1)
#define OMAP2_PBIASLITEVMODE0		(1 << 0)

/* CONTROL_IVA2_BOOTMOD bits */
#define OMAP3_IVA2_BOOTMOD_SHIFT	0
#define OMAP3_IVA2_BOOTMOD_MASK		(0xf << 0)
#define OMAP3_IVA2_BOOTMOD_IDLE		(0x1 << 0)

/* CONTROL_PADCONF_X bits */
#define OMAP3_PADCONF_WAKEUPEVENT0	(1 << 15)
#define OMAP3_PADCONF_WAKEUPENABLE0	(1 << 14)

#define OMAP343X_SCRATCHPAD_ROM		(OMAP343X_CTRL_BASE + 0x860)
#define OMAP343X_SCRATCHPAD		(OMAP343X_CTRL_BASE + 0x910)
#define OMAP343X_SCRATCHPAD_ROM_OFFSET	0x19C

/*
 * CONTROL OMAP STATUS register to identify OMAP3 features
 */
#define OMAP3_CONTROL_OMAP_STATUS	0x044c

#define OMAP3_SGX_SHIFT			13
#define OMAP3_SGX_MASK			(3 << OMAP3_SGX_SHIFT)
#define		FEAT_SGX_FULL		0
#define		FEAT_SGX_HALF		1
#define		FEAT_SGX_NONE		2

#define OMAP3_IVA_SHIFT			12
#define OMAP3_IVA_MASK			(1 << OMAP3_SGX_SHIFT)
#define		FEAT_IVA		0
#define		FEAT_IVA_NONE		1

#define OMAP3_L2CACHE_SHIFT		10
#define OMAP3_L2CACHE_MASK		(3 << OMAP3_L2CACHE_SHIFT)
#define		FEAT_L2CACHE_NONE	0
#define		FEAT_L2CACHE_64KB	1
#define		FEAT_L2CACHE_128KB	2
#define		FEAT_L2CACHE_256KB	3

#define OMAP3_ISP_SHIFT			5
#define OMAP3_ISP_MASK			(1<< OMAP3_ISP_SHIFT)
#define		FEAT_ISP		0
#define		FEAT_ISP_NONE		1

#define OMAP3_NEON_SHIFT		4
#define OMAP3_NEON_MASK			(1<< OMAP3_NEON_SHIFT)
#define		FEAT_NEON		0
#define		FEAT_NEON_NONE		1


#ifndef __ASSEMBLY__
#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
		defined(CONFIG_ARCH_OMAP4)
extern void __iomem *omap_ctrl_base_get(void);
extern u8 omap_ctrl_readb(u16 offset);
extern u16 omap_ctrl_readw(u16 offset);
extern u32 omap_ctrl_readl(u16 offset);
extern void omap_ctrl_writeb(u8 val, u16 offset);
extern void omap_ctrl_writew(u16 val, u16 offset);
extern void omap_ctrl_writel(u32 val, u16 offset);

extern void omap3_save_scratchpad_contents(void);
extern void omap3_clear_scratchpad_contents(void);
extern u32 *get_restore_pointer(void);
extern u32 *get_es3_restore_pointer(void);
extern u32 omap3_arm_context[128];
extern void omap3_control_save_context(void);
extern void omap3_control_restore_context(void);

#else
#define omap_ctrl_base_get()		0
#define omap_ctrl_readb(x)		0
#define omap_ctrl_readw(x)		0
#define omap_ctrl_readl(x)		0
#define omap_ctrl_writeb(x, y)		WARN_ON(1)
#define omap_ctrl_writew(x, y)		WARN_ON(1)
#define omap_ctrl_writel(x, y)		WARN_ON(1)
#endif
#endif	/* __ASSEMBLY__ */

#endif /* __ASM_ARCH_CONTROL_H */