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425dc8b2df
This gets rid of need for some exported driver APIs, and simplifies the initialization of the CM driver. Done in preparation to make CM a separate driver. The init data is now also passed to the SoC specific implementations, allowing future expansion to add feature flags etc. Signed-off-by: Tero Kristo <t-kristo@ti.com>
71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/*
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* OMAP2xxx Clock Management (CM) register definitions
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*
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* Copyright (C) 2007-2009, 2012 Texas Instruments, Inc.
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* Copyright (C) 2007-2010 Nokia Corporation
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* Paul Walmsley
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* The CM hardware modules on the OMAP2/3 are quite similar to each
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* other. The CM modules/instances on OMAP4 are quite different, so
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* they are handled in a separate file.
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*/
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#ifndef __ARCH_ASM_MACH_OMAP2_CM2XXX_H
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#define __ARCH_ASM_MACH_OMAP2_CM2XXX_H
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#include "prcm-common.h"
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#include "cm2xxx_3xxx.h"
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#define OMAP2420_CM_REGADDR(module, reg) \
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OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
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#define OMAP2430_CM_REGADDR(module, reg) \
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OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))
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/*
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* Module specific CM register offsets from CM_BASE + domain offset
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* Use cm_{read,write}_mod_reg() with these registers.
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* These register offsets generally appear in more than one PRCM submodule.
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*/
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/* OMAP2-specific register offsets */
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#define OMAP24XX_CM_FCLKEN2 0x0004
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#define OMAP24XX_CM_ICLKEN4 0x001c
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#define OMAP24XX_CM_AUTOIDLE4 0x003c
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#define OMAP24XX_CM_IDLEST4 0x002c
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/* CM_IDLEST bit field values to indicate deasserted IdleReq */
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#define OMAP24XX_CM_IDLEST_VAL 0
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/* Clock management domain register get/set */
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#ifndef __ASSEMBLER__
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extern void omap2xxx_cm_set_dpll_disable_autoidle(void);
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extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void);
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extern void omap2xxx_cm_set_apll54_disable_autoidle(void);
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extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void);
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extern void omap2xxx_cm_set_apll96_disable_autoidle(void);
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extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void);
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int omap2xxx_cm_wait_module_ready(u8 part, s16 prcm_mod, u16 idlest_id,
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u8 idlest_shift);
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extern int omap2xxx_cm_fclks_active(void);
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extern int omap2xxx_cm_mpu_retention_allowed(void);
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extern u32 omap2xxx_cm_get_core_clk_src(void);
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extern u32 omap2xxx_cm_get_core_pll_config(void);
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extern void omap2xxx_cm_set_mod_dividers(u32 mpu, u32 dsp, u32 gfx, u32 core,
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u32 mdm);
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int __init omap2xxx_cm_init(const struct omap_prcm_init_data *data);
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#endif
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#endif
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