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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 "cm.h"
/*
* 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 OMAP2430_CM_IDLEST3 0x0028
#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
#ifndef __ASSEMBLER__
#include <linux/io.h>
static inline u32 omap2_cm_read_mod_reg(s16 module, u16 idx)
{
return readl_relaxed(cm_base + module + idx);
}
static inline void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx)
{
writel_relaxed(val, cm_base + module + idx);
}
/* Read-modify-write a register in a CM module. Caller must lock */
static inline u32 omap2_cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module,
s16 idx)
{
u32 v;
v = omap2_cm_read_mod_reg(module, idx);
v &= ~mask;
v |= bits;
omap2_cm_write_mod_reg(v, module, idx);
return v;
}
/* Read a CM register, AND it, and shift the result down to bit 0 */
static inline u32 omap2_cm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask)
{
u32 v;
v = omap2_cm_read_mod_reg(domain, idx);
v &= mask;
v >>= __ffs(mask);
return v;
}
static inline u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
{
return omap2_cm_rmw_mod_reg_bits(bits, bits, module, idx);
}
static inline u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
{
return omap2_cm_rmw_mod_reg_bits(bits, 0x0, module, idx);
}
extern int omap2xxx_cm_apll54_enable(void);
extern void omap2xxx_cm_apll54_disable(void);
extern int omap2xxx_cm_apll96_enable(void);
extern void omap2xxx_cm_apll96_disable(void);
#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)
#define OMAP_CLKSEL_GFX_WIDTH 3
/* 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)
#endif
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