mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.9 KiB
82 lines
2.9 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
|
/* |
|
* OMAP2+ Clock Management prototypes |
|
* |
|
* Copyright (C) 2007-2009, 2012 Texas Instruments, Inc. |
|
* Copyright (C) 2007-2009 Nokia Corporation |
|
* |
|
* Written by Paul Walmsley |
|
*/ |
|
#ifndef __ARCH_ASM_MACH_OMAP2_CM_H |
|
#define __ARCH_ASM_MACH_OMAP2_CM_H |
|
|
|
/* |
|
* MAX_MODULE_READY_TIME: max duration in microseconds to wait for the |
|
* PRCM to request that a module exit the inactive state in the case of |
|
* OMAP2 & 3. |
|
* In the case of OMAP4 this is the max duration in microseconds for the |
|
* module to reach the functionnal state from an inactive state. |
|
*/ |
|
#define MAX_MODULE_READY_TIME 2000 |
|
|
|
# ifndef __ASSEMBLER__ |
|
#include <linux/clk/ti.h> |
|
|
|
#include "prcm-common.h" |
|
|
|
extern struct omap_domain_base cm_base; |
|
extern struct omap_domain_base cm2_base; |
|
extern void omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2); |
|
# endif |
|
|
|
/* |
|
* MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for |
|
* the PRCM to request that a module enter the inactive state in the |
|
* case of OMAP2 & 3. In the case of OMAP4 this is the max duration |
|
* in microseconds for the module to reach the inactive state from |
|
* a functional state. |
|
* XXX FSUSB on OMAP4430 takes ~4ms to idle after reset during |
|
* kernel init. |
|
*/ |
|
#define MAX_MODULE_DISABLE_TIME 5000 |
|
|
|
# ifndef __ASSEMBLER__ |
|
|
|
/** |
|
* struct cm_ll_data - fn ptrs to per-SoC CM function implementations |
|
* @split_idlest_reg: ptr to the SoC CM-specific split_idlest_reg impl |
|
* @wait_module_ready: ptr to the SoC CM-specific wait_module_ready impl |
|
* @wait_module_idle: ptr to the SoC CM-specific wait_module_idle impl |
|
* @module_enable: ptr to the SoC CM-specific module_enable impl |
|
* @module_disable: ptr to the SoC CM-specific module_disable impl |
|
* @xlate_clkctrl: ptr to the SoC CM-specific clkctrl xlate addr impl |
|
*/ |
|
struct cm_ll_data { |
|
int (*split_idlest_reg)(struct clk_omap_reg *idlest_reg, s16 *prcm_inst, |
|
u8 *idlest_reg_id); |
|
int (*wait_module_ready)(u8 part, s16 prcm_mod, u16 idlest_reg, |
|
u8 idlest_shift); |
|
int (*wait_module_idle)(u8 part, s16 prcm_mod, u16 idlest_reg, |
|
u8 idlest_shift); |
|
void (*module_enable)(u8 mode, u8 part, u16 inst, u16 clkctrl_offs); |
|
void (*module_disable)(u8 part, u16 inst, u16 clkctrl_offs); |
|
u32 (*xlate_clkctrl)(u8 part, u16 inst, u16 clkctrl_offs); |
|
}; |
|
|
|
extern int cm_split_idlest_reg(struct clk_omap_reg *idlest_reg, s16 *prcm_inst, |
|
u8 *idlest_reg_id); |
|
int omap_cm_wait_module_ready(u8 part, s16 prcm_mod, u16 idlest_reg, |
|
u8 idlest_shift); |
|
int omap_cm_wait_module_idle(u8 part, s16 prcm_mod, u16 idlest_reg, |
|
u8 idlest_shift); |
|
int omap_cm_module_enable(u8 mode, u8 part, u16 inst, u16 clkctrl_offs); |
|
int omap_cm_module_disable(u8 part, u16 inst, u16 clkctrl_offs); |
|
u32 omap_cm_xlate_clkctrl(u8 part, u16 inst, u16 clkctrl_offs); |
|
extern int cm_register(const struct cm_ll_data *cld); |
|
extern int cm_unregister(const struct cm_ll_data *cld); |
|
int omap_cm_init(void); |
|
int omap2_cm_base_init(void); |
|
|
|
# endif |
|
|
|
#endif
|
|
|