1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * OMAP2xxx Clock Management (CM) register definitions 4 * 5 * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc. 6 * Copyright (C) 2007-2010 Nokia Corporation 7 * Paul Walmsley 8 * 9 * The CM hardware modules on the OMAP2/3 are quite similar to each 10 * other. The CM modules/instances on OMAP4 are quite different, so 11 * they are handled in a separate file. 12 */ 13 #ifndef __ARCH_ASM_MACH_OMAP2_CM2XXX_H 14 #define __ARCH_ASM_MACH_OMAP2_CM2XXX_H 15 16 #include "prcm-common.h" 17 #include "cm2xxx_3xxx.h" 18 19 #define OMAP2420_CM_REGADDR(module, reg) \ 20 OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg)) 21 #define OMAP2430_CM_REGADDR(module, reg) \ 22 OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg)) 23 24 /* 25 * Module specific CM register offsets from CM_BASE + domain offset 26 * Use cm_{read,write}_mod_reg() with these registers. 27 * These register offsets generally appear in more than one PRCM submodule. 28 */ 29 30 /* OMAP2-specific register offsets */ 31 32 #define OMAP24XX_CM_FCLKEN2 0x0004 33 #define OMAP24XX_CM_ICLKEN4 0x001c 34 #define OMAP24XX_CM_AUTOIDLE4 0x003c 35 #define OMAP24XX_CM_IDLEST4 0x002c 36 37 /* CM_IDLEST bit field values to indicate deasserted IdleReq */ 38 39 #define OMAP24XX_CM_IDLEST_VAL 0 40 41 42 /* Clock management domain register get/set */ 43 44 #ifndef __ASSEMBLER__ 45 46 extern void omap2xxx_cm_set_dpll_disable_autoidle(void); 47 extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void); 48 49 extern void omap2xxx_cm_set_apll54_disable_autoidle(void); 50 extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void); 51 extern void omap2xxx_cm_set_apll96_disable_autoidle(void); 52 extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void); 53 54 int omap2xxx_cm_wait_module_ready(u8 part, s16 prcm_mod, u16 idlest_id, 55 u8 idlest_shift); 56 extern int omap2xxx_cm_fclks_active(void); 57 extern int omap2xxx_cm_mpu_retention_allowed(void); 58 extern u32 omap2xxx_cm_get_core_clk_src(void); 59 extern u32 omap2xxx_cm_get_core_pll_config(void); 60 extern void omap2xxx_cm_set_mod_dividers(u32 mpu, u32 dsp, u32 gfx, u32 core, 61 u32 mdm); 62 63 int __init omap2xxx_cm_init(const struct omap_prcm_init_data *data); 64 65 #endif 66 67 #endif 68