/* SPDX-License-Identifier: GPL-2.0-only */ /* * OMAP2xxx Clock Management (CM) register definitions * * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc. * Copyright (C) 2007-2010 Nokia Corporation * Paul Walmsley * * 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_H #define __ARCH_ASM_MACH_OMAP2_CM2XXX_H #include "prcm-common.h" #include "cm2xxx_3xxx.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)) /* * 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. */ /* OMAP2-specific register offsets */ #define OMAP24XX_CM_FCLKEN2 0x0004 #define OMAP24XX_CM_ICLKEN4 0x001c #define OMAP24XX_CM_AUTOIDLE4 0x003c #define OMAP24XX_CM_IDLEST4 0x002c /* CM_IDLEST bit field values to indicate deasserted IdleReq */ #define OMAP24XX_CM_IDLEST_VAL 0 /* Clock management domain register get/set */ #ifndef __ASSEMBLER__ extern void omap2xxx_cm_set_dpll_disable_autoidle(void); extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void); extern void omap2xxx_cm_set_apll54_disable_autoidle(void); extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void); extern void omap2xxx_cm_set_apll96_disable_autoidle(void); extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void); int omap2xxx_cm_wait_module_ready(u8 part, s16 prcm_mod, u16 idlest_id, u8 idlest_shift); extern int omap2xxx_cm_fclks_active(void); extern int omap2xxx_cm_mpu_retention_allowed(void); extern u32 omap2xxx_cm_get_core_clk_src(void); extern u32 omap2xxx_cm_get_core_pll_config(void); extern void omap2xxx_cm_set_mod_dividers(u32 mpu, u32 dsp, u32 gfx, u32 core, u32 mdm); int __init omap2xxx_cm_init(const struct omap_prcm_init_data *data); #endif #endif