| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * OMAP2xxx Clock Management (CM) register definitions |
| 3 | * |
| 4 | * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc. |
| 5 | * Copyright (C) 2007-2010 Nokia Corporation |
| 6 | * Paul Walmsley |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | * |
| 12 | * The CM hardware modules on the OMAP2/3 are quite similar to each |
| 13 | * other. The CM modules/instances on OMAP4 are quite different, so |
| 14 | * they are handled in a separate file. |
| 15 | */ |
| 16 | #ifndef __ARCH_ASM_MACH_OMAP2_CM2XXX_H |
| 17 | #define __ARCH_ASM_MACH_OMAP2_CM2XXX_H |
| 18 | |
| 19 | #include "prcm-common.h" |
| 20 | #include "cm2xxx_3xxx.h" |
| 21 | |
| 22 | #define OMAP2420_CM_REGADDR(module, reg) \ |
| 23 | OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg)) |
| 24 | #define OMAP2430_CM_REGADDR(module, reg) \ |
| 25 | OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg)) |
| 26 | |
| 27 | /* |
| 28 | * Module specific CM register offsets from CM_BASE + domain offset |
| 29 | * Use cm_{read,write}_mod_reg() with these registers. |
| 30 | * These register offsets generally appear in more than one PRCM submodule. |
| 31 | */ |
| 32 | |
| 33 | /* OMAP2-specific register offsets */ |
| 34 | |
| 35 | #define OMAP24XX_CM_FCLKEN2 0x0004 |
| 36 | #define OMAP24XX_CM_ICLKEN4 0x001c |
| 37 | #define OMAP24XX_CM_AUTOIDLE4 0x003c |
| 38 | #define OMAP24XX_CM_IDLEST4 0x002c |
| 39 | |
| 40 | /* CM_IDLEST bit field values to indicate deasserted IdleReq */ |
| 41 | |
| 42 | #define OMAP24XX_CM_IDLEST_VAL 0 |
| 43 | |
| 44 | |
| 45 | /* Clock management domain register get/set */ |
| 46 | |
| 47 | #ifndef __ASSEMBLER__ |
| 48 | |
| 49 | extern void omap2xxx_cm_set_dpll_disable_autoidle(void); |
| 50 | extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void); |
| 51 | |
| 52 | extern void omap2xxx_cm_set_apll54_disable_autoidle(void); |
| 53 | extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void); |
| 54 | extern void omap2xxx_cm_set_apll96_disable_autoidle(void); |
| 55 | extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void); |
| 56 | |
| 57 | int omap2xxx_cm_wait_module_ready(u8 part, s16 prcm_mod, u16 idlest_id, |
| 58 | u8 idlest_shift); |
| 59 | extern int omap2xxx_cm_fclks_active(void); |
| 60 | extern int omap2xxx_cm_mpu_retention_allowed(void); |
| 61 | extern u32 omap2xxx_cm_get_core_clk_src(void); |
| 62 | extern u32 omap2xxx_cm_get_core_pll_config(void); |
| 63 | extern void omap2xxx_cm_set_mod_dividers(u32 mpu, u32 dsp, u32 gfx, u32 core, |
| 64 | u32 mdm); |
| 65 | |
| 66 | int __init omap2xxx_cm_init(const struct omap_prcm_init_data *data); |
| 67 | |
| 68 | #endif |
| 69 | |
| 70 | #endif |