mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 13:56:30 +00:00
fca45722fb
Add do_disable_clocks() to disable clock domains and module clocks. These clocks are enabled using do_enable_clocks(). Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Vignesh R <vigneshr@ti.com> Reviewed-by: Jagan Teki <jteki@openedev.com>
117 lines
3.1 KiB
C
117 lines
3.1 KiB
C
/*
|
|
* clock.h
|
|
*
|
|
* clock header
|
|
*
|
|
* Copyright (C) 2011, Texas Instruments Incorporated - http://www.ti.com/
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef _CLOCKS_H_
|
|
#define _CLOCKS_H_
|
|
|
|
#include <asm/arch/clocks_am33xx.h>
|
|
|
|
#ifdef CONFIG_TI81XX
|
|
#include <asm/arch/clock_ti81xx.h>
|
|
#endif
|
|
|
|
#define LDELAY 1000000
|
|
|
|
/*CM_<clock_domain>__CLKCTRL */
|
|
#define CD_CLKCTRL_CLKTRCTRL_SHIFT 0
|
|
#define CD_CLKCTRL_CLKTRCTRL_MASK 3
|
|
|
|
#define CD_CLKCTRL_CLKTRCTRL_NO_SLEEP 0
|
|
#define CD_CLKCTRL_CLKTRCTRL_SW_SLEEP 1
|
|
#define CD_CLKCTRL_CLKTRCTRL_SW_WKUP 2
|
|
|
|
/* CM_<clock_domain>_<module>_CLKCTRL */
|
|
#define MODULE_CLKCTRL_MODULEMODE_SHIFT 0
|
|
#define MODULE_CLKCTRL_MODULEMODE_MASK 3
|
|
#define MODULE_CLKCTRL_IDLEST_SHIFT 16
|
|
#define MODULE_CLKCTRL_IDLEST_MASK (3 << 16)
|
|
|
|
#define MODULE_CLKCTRL_MODULEMODE_SW_DISABLE 0
|
|
#define MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN 2
|
|
|
|
#define MODULE_CLKCTRL_IDLEST_FULLY_FUNCTIONAL 0
|
|
#define MODULE_CLKCTRL_IDLEST_TRANSITIONING 1
|
|
#define MODULE_CLKCTRL_IDLEST_IDLE 2
|
|
#define MODULE_CLKCTRL_IDLEST_DISABLED 3
|
|
|
|
/* CM_CLKMODE_DPLL */
|
|
#define CM_CLKMODE_DPLL_SSC_EN_SHIFT 12
|
|
#define CM_CLKMODE_DPLL_SSC_EN_MASK (1 << 12)
|
|
#define CM_CLKMODE_DPLL_REGM4XEN_SHIFT 11
|
|
#define CM_CLKMODE_DPLL_REGM4XEN_MASK (1 << 11)
|
|
#define CM_CLKMODE_DPLL_LPMODE_EN_SHIFT 10
|
|
#define CM_CLKMODE_DPLL_LPMODE_EN_MASK (1 << 10)
|
|
#define CM_CLKMODE_DPLL_RELOCK_RAMP_EN_SHIFT 9
|
|
#define CM_CLKMODE_DPLL_RELOCK_RAMP_EN_MASK (1 << 9)
|
|
#define CM_CLKMODE_DPLL_DRIFTGUARD_EN_SHIFT 8
|
|
#define CM_CLKMODE_DPLL_DRIFTGUARD_EN_MASK (1 << 8)
|
|
#define CM_CLKMODE_DPLL_RAMP_RATE_SHIFT 5
|
|
#define CM_CLKMODE_DPLL_RAMP_RATE_MASK (0x7 << 5)
|
|
#define CM_CLKMODE_DPLL_EN_SHIFT 0
|
|
#define CM_CLKMODE_DPLL_EN_MASK (0x7 << 0)
|
|
|
|
#define CM_CLKMODE_DPLL_DPLL_EN_SHIFT 0
|
|
#define CM_CLKMODE_DPLL_DPLL_EN_MASK 7
|
|
|
|
#define DPLL_EN_STOP 1
|
|
#define DPLL_EN_MN_BYPASS 4
|
|
#define DPLL_EN_LOW_POWER_BYPASS 5
|
|
#define DPLL_EN_LOCK 7
|
|
|
|
/* CM_IDLEST_DPLL fields */
|
|
#define ST_DPLL_CLK_MASK 1
|
|
|
|
/* CM_CLKSEL_DPLL */
|
|
#define CM_CLKSEL_DPLL_M_SHIFT 8
|
|
#define CM_CLKSEL_DPLL_M_MASK (0x7FF << 8)
|
|
#define CM_CLKSEL_DPLL_N_SHIFT 0
|
|
#define CM_CLKSEL_DPLL_N_MASK 0x7F
|
|
|
|
struct dpll_params {
|
|
u32 m;
|
|
u32 n;
|
|
s8 m2;
|
|
s8 m3;
|
|
s8 m4;
|
|
s8 m5;
|
|
s8 m6;
|
|
};
|
|
|
|
struct dpll_regs {
|
|
u32 cm_clkmode_dpll;
|
|
u32 cm_idlest_dpll;
|
|
u32 cm_autoidle_dpll;
|
|
u32 cm_clksel_dpll;
|
|
u32 cm_div_m2_dpll;
|
|
u32 cm_div_m3_dpll;
|
|
u32 cm_div_m4_dpll;
|
|
u32 cm_div_m5_dpll;
|
|
u32 cm_div_m6_dpll;
|
|
};
|
|
|
|
extern const struct dpll_regs dpll_mpu_regs;
|
|
extern const struct dpll_regs dpll_core_regs;
|
|
extern const struct dpll_regs dpll_per_regs;
|
|
extern const struct dpll_regs dpll_ddr_regs;
|
|
|
|
extern struct cm_wkuppll *const cmwkup;
|
|
|
|
const struct dpll_params *get_dpll_mpu_params(void);
|
|
const struct dpll_params *get_dpll_core_params(void);
|
|
const struct dpll_params *get_dpll_per_params(void);
|
|
const struct dpll_params *get_dpll_ddr_params(void);
|
|
void scale_vcores(void);
|
|
void do_setup_dpll(const struct dpll_regs *, const struct dpll_params *);
|
|
void prcm_init(void);
|
|
void enable_basic_clocks(void);
|
|
void do_enable_clocks(u32 *const *, u32 *const *, u8);
|
|
void do_disable_clocks(u32 *const *, u32 *const *, u8);
|
|
|
|
#endif
|