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 int omap2xxx_cm_fclks_active(void); |
50 | extern int omap2xxx_cm_mpu_retention_allowed(void); |
51 | extern u32 omap2xxx_cm_get_core_clk_src(void); |
52 | extern u32 omap2xxx_cm_get_core_pll_config(void); |
53 | extern void omap2xxx_cm_set_mod_dividers(u32 mpu, u32 dsp, u32 gfx, u32 core, |
54 | u32 mdm); |
55 | |
56 | int __init omap2xxx_cm_init(const struct omap_prcm_init_data *data); |
57 | |
58 | #endif |
59 | |
60 | #endif |
61 | |