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/*
* OMAP2/3 Clock Management (CM) register definitions
*
* Copyright (C) 2007-2009 Texas Instruments, Inc.
* Copyright (C) 2007-2010 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.
*
* The CM hardware modules on the OMAP2/3 are quite similar to each
* other. The CM modules/instances on OMAP4 are quite different, so
* they are handled in a separate file.
*/
#ifndef __ARCH_ASM_MACH_OMAP2_CM2XXX_3XXX_H
#define __ARCH_ASM_MACH_OMAP2_CM2XXX_3XXX_H
#include "prcm-common.h"
#define OMAP2420_CM_REGADDR(module, reg) \
OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
#define OMAP2430_CM_REGADDR(module, reg) \
OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))
#define OMAP34XX_CM_REGADDR(module, reg) \
OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))
/*
* OMAP3-specific global CM registers
* Use cm_{read,write}_reg() with these registers.
* These registers appear once per CM module.
*/
#define OMAP3430_CM_REVISION OMAP34XX_CM_REGADDR(OCP_MOD, 0x0000)
#define OMAP3430_CM_SYSCONFIG OMAP34XX_CM_REGADDR(OCP_MOD, 0x0010)
#define OMAP3430_CM_POLCTRL OMAP34XX_CM_REGADDR(OCP_MOD, 0x009c)
#define OMAP3_CM_CLKOUT_CTRL_OFFSET 0x0070
#define OMAP3430_CM_CLKOUT_CTRL OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
/*
* Module specific CM register offsets from CM_BASE + domain offset
* Use cm_{read,write}_mod_reg() with these registers.
* These register offsets generally appear in more than one PRCM submodule.
*/
/* Common between OMAP2 and OMAP3 */
#define CM_FCLKEN 0x0000
#define CM_FCLKEN1 CM_FCLKEN
#define CM_CLKEN CM_FCLKEN
#define CM_ICLKEN 0x0010
#define CM_ICLKEN1 CM_ICLKEN
#define CM_ICLKEN2 0x0014
#define CM_ICLKEN3 0x0018
#define CM_IDLEST 0x0020
#define CM_IDLEST1 CM_IDLEST
#define CM_IDLEST2 0x0024
#define CM_AUTOIDLE 0x0030
#define CM_AUTOIDLE1 CM_AUTOIDLE
#define CM_AUTOIDLE2 0x0034
#define CM_AUTOIDLE3 0x0038
#define CM_CLKSEL 0x0040
#define CM_CLKSEL1 CM_CLKSEL
#define CM_CLKSEL2 0x0044
#define OMAP2_CM_CLKSTCTRL 0x0048
/* OMAP2-specific register offsets */
#define OMAP24XX_CM_FCLKEN2 0x0004
#define OMAP24XX_CM_ICLKEN4 0x001c
#define OMAP24XX_CM_AUTOIDLE4 0x003c
#define OMAP2430_CM_IDLEST3 0x0028
/* OMAP3-specific register offsets */
#define OMAP3430_CM_CLKEN_PLL 0x0004
#define OMAP3430ES2_CM_CLKEN2 0x0004
#define OMAP3430ES2_CM_FCLKEN3 0x0008
#define OMAP3430_CM_IDLEST_PLL CM_IDLEST2
#define OMAP3430_CM_AUTOIDLE_PLL CM_AUTOIDLE2
#define OMAP3430ES2_CM_AUTOIDLE2_PLL CM_AUTOIDLE2
#define OMAP3430_CM_CLKSEL1 CM_CLKSEL
#define OMAP3430_CM_CLKSEL1_PLL CM_CLKSEL
#define OMAP3430_CM_CLKSEL2_PLL CM_CLKSEL2
#define OMAP3430_CM_SLEEPDEP CM_CLKSEL2
#define OMAP3430_CM_CLKSEL3 OMAP2_CM_CLKSTCTRL
#define OMAP3430_CM_CLKSTST 0x004c
#define OMAP3430ES2_CM_CLKSEL4 0x004c
#define OMAP3430ES2_CM_CLKSEL5 0x0050
#define OMAP3430_CM_CLKSEL2_EMU 0x0050
#define OMAP3430_CM_CLKSEL3_EMU 0x0054
/* CM_IDLEST bit field values to indicate deasserted IdleReq */
#define OMAP24XX_CM_IDLEST_VAL 0
#define OMAP34XX_CM_IDLEST_VAL 1
/* Clock management domain register get/set */
#ifndef __ASSEMBLER__
extern u32 cm_read_mod_reg(s16 module, u16 idx);
extern void cm_write_mod_reg(u32 val, s16 module, u16 idx);
extern u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx);
extern int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id,
u8 idlest_shift);
extern u32 cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx);
extern u32 cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx);
#endif
/* CM register bits shared between 24XX and 3430 */
/* CM_CLKSEL_GFX */
#define OMAP_CLKSEL_GFX_SHIFT 0
#define OMAP_CLKSEL_GFX_MASK (0x7 << 0)
/* CM_ICLKEN_GFX */
#define OMAP_EN_GFX_SHIFT 0
#define OMAP_EN_GFX_MASK (1 << 0)
/* CM_IDLEST_GFX */
#define OMAP_ST_GFX_MASK (1 << 0)
/* Function prototypes */
# ifndef __ASSEMBLER__
extern void omap3_cm_save_context(void);
extern void omap3_cm_restore_context(void);
# endif
#endif
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