1/*
 2 * OMAP2+ Clock Management prototypes
 3 *
 4 * Copyright (C) 2007-2009 Texas Instruments, Inc.
 5 * Copyright (C) 2007-2009 Nokia Corporation
 6 *
 7 * Written by Paul Walmsley
 8 *
 9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13#ifndef __ARCH_ASM_MACH_OMAP2_CM_H
14#define __ARCH_ASM_MACH_OMAP2_CM_H
15
16/*
17 * MAX_MODULE_READY_TIME: max duration in microseconds to wait for the
18 * PRCM to request that a module exit the inactive state in the case of
19 * OMAP2 & 3.
20 * In the case of OMAP4 this is the max duration in microseconds for the
21 * module to reach the functionnal state from an inactive state.
22 */
23#define MAX_MODULE_READY_TIME		2000
24
 
 
 
 
 
 
25/*
26 * MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for
27 * the PRCM to request that a module enter the inactive state in the
28 * case of OMAP2 & 3.  In the case of OMAP4 this is the max duration
29 * in microseconds for the module to reach the inactive state from
30 * a functional state.
31 * XXX FSUSB on OMAP4430 takes ~4ms to idle after reset during
32 * kernel init.
33 */
34#define MAX_MODULE_DISABLE_TIME		5000
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
35
36#endif

 1/*
 2 * OMAP2+ Clock Management prototypes
 3 *
 4 * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc.
 5 * Copyright (C) 2007-2009 Nokia Corporation
 6 *
 7 * Written by Paul Walmsley
 8 *
 9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13#ifndef __ARCH_ASM_MACH_OMAP2_CM_H
14#define __ARCH_ASM_MACH_OMAP2_CM_H
15
16/*
17 * MAX_MODULE_READY_TIME: max duration in microseconds to wait for the
18 * PRCM to request that a module exit the inactive state in the case of
19 * OMAP2 & 3.
20 * In the case of OMAP4 this is the max duration in microseconds for the
21 * module to reach the functionnal state from an inactive state.
22 */
23#define MAX_MODULE_READY_TIME		2000
24
25# ifndef __ASSEMBLER__
26extern void __iomem *cm_base;
27extern void __iomem *cm2_base;
28extern void omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2);
29# endif
30
31/*
32 * MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for
33 * the PRCM to request that a module enter the inactive state in the
34 * case of OMAP2 & 3.  In the case of OMAP4 this is the max duration
35 * in microseconds for the module to reach the inactive state from
36 * a functional state.
37 * XXX FSUSB on OMAP4430 takes ~4ms to idle after reset during
38 * kernel init.
39 */
40#define MAX_MODULE_DISABLE_TIME		5000
41
42# ifndef __ASSEMBLER__
43
44/**
45 * struct cm_ll_data - fn ptrs to per-SoC CM function implementations
46 * @split_idlest_reg: ptr to the SoC CM-specific split_idlest_reg impl
47 * @wait_module_ready: ptr to the SoC CM-specific wait_module_ready impl
48 */
49struct cm_ll_data {
50	int (*split_idlest_reg)(void __iomem *idlest_reg, s16 *prcm_inst,
51				u8 *idlest_reg_id);
52	int (*wait_module_ready)(s16 prcm_mod, u8 idlest_id, u8 idlest_shift);
53};
54
55extern int cm_split_idlest_reg(void __iomem *idlest_reg, s16 *prcm_inst,
56			       u8 *idlest_reg_id);
57extern int cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift);
58
59extern int cm_register(struct cm_ll_data *cld);
60extern int cm_unregister(struct cm_ll_data *cld);
61
62# endif
63
64#endif