6 * Copyright (C) 2011, Texas Instruments Incorporated - http://www.ti.com/
8 * SPDX-License-Identifier: GPL-2.0+
14 #include <asm/arch/clocks_am33xx.h>
17 #include <asm/arch/clock_ti81xx.h>
20 #define LDELAY 1000000
22 /*CM_<clock_domain>__CLKCTRL */
23 #define CD_CLKCTRL_CLKTRCTRL_SHIFT 0
24 #define CD_CLKCTRL_CLKTRCTRL_MASK 3
26 #define CD_CLKCTRL_CLKTRCTRL_NO_SLEEP 0
27 #define CD_CLKCTRL_CLKTRCTRL_SW_SLEEP 1
28 #define CD_CLKCTRL_CLKTRCTRL_SW_WKUP 2
30 /* CM_<clock_domain>_<module>_CLKCTRL */
31 #define MODULE_CLKCTRL_MODULEMODE_SHIFT 0
32 #define MODULE_CLKCTRL_MODULEMODE_MASK 3
33 #define MODULE_CLKCTRL_IDLEST_SHIFT 16
34 #define MODULE_CLKCTRL_IDLEST_MASK (3 << 16)
36 #define MODULE_CLKCTRL_MODULEMODE_SW_DISABLE 0
37 #define MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN 2
39 #define MODULE_CLKCTRL_IDLEST_FULLY_FUNCTIONAL 0
40 #define MODULE_CLKCTRL_IDLEST_TRANSITIONING 1
41 #define MODULE_CLKCTRL_IDLEST_IDLE 2
42 #define MODULE_CLKCTRL_IDLEST_DISABLED 3
45 #define CM_CLKMODE_DPLL_SSC_EN_SHIFT 12
46 #define CM_CLKMODE_DPLL_SSC_EN_MASK (1 << 12)
47 #define CM_CLKMODE_DPLL_SSC_ACK_MASK (1 << 13)
48 #define CM_CLKMODE_DPLL_SSC_DOWNSPREAD_MASK (1 << 14)
49 #define CM_CLKMODE_DPLL_SSC_TYPE_MASK (1 << 15)
50 #define CM_CLKMODE_DPLL_REGM4XEN_SHIFT 11
51 #define CM_CLKMODE_DPLL_REGM4XEN_MASK (1 << 11)
52 #define CM_CLKMODE_DPLL_LPMODE_EN_SHIFT 10
53 #define CM_CLKMODE_DPLL_LPMODE_EN_MASK (1 << 10)
54 #define CM_CLKMODE_DPLL_RELOCK_RAMP_EN_SHIFT 9
55 #define CM_CLKMODE_DPLL_RELOCK_RAMP_EN_MASK (1 << 9)
56 #define CM_CLKMODE_DPLL_DRIFTGUARD_EN_SHIFT 8
57 #define CM_CLKMODE_DPLL_DRIFTGUARD_EN_MASK (1 << 8)
58 #define CM_CLKMODE_DPLL_RAMP_RATE_SHIFT 5
59 #define CM_CLKMODE_DPLL_RAMP_RATE_MASK (0x7 << 5)
60 #define CM_CLKMODE_DPLL_EN_SHIFT 0
61 #define CM_CLKMODE_DPLL_EN_MASK (0x7 << 0)
63 #define CM_CLKMODE_DPLL_DPLL_EN_SHIFT 0
64 #define CM_CLKMODE_DPLL_DPLL_EN_MASK 7
66 #define DPLL_EN_STOP 1
67 #define DPLL_EN_MN_BYPASS 4
68 #define DPLL_EN_LOW_POWER_BYPASS 5
69 #define DPLL_EN_LOCK 7
71 /* CM_IDLEST_DPLL fields */
72 #define ST_DPLL_CLK_MASK 1
75 #define CM_CLKSEL_DPLL_M_SHIFT 8
76 #define CM_CLKSEL_DPLL_M_MASK (0x7FF << 8)
77 #define CM_CLKSEL_DPLL_N_SHIFT 0
78 #define CM_CLKSEL_DPLL_N_MASK 0x7F
102 extern const struct dpll_regs dpll_mpu_regs;
103 extern const struct dpll_regs dpll_core_regs;
104 extern const struct dpll_regs dpll_per_regs;
105 extern const struct dpll_regs dpll_ddr_regs;
107 extern struct cm_wkuppll *const cmwkup;
109 const struct dpll_params *get_dpll_mpu_params(void);
110 const struct dpll_params *get_dpll_core_params(void);
111 const struct dpll_params *get_dpll_per_params(void);
112 const struct dpll_params *get_dpll_ddr_params(void);
113 void scale_vcores(void);
114 void do_setup_dpll(const struct dpll_regs *, const struct dpll_params *);
115 void prcm_init(void);
116 void enable_basic_clocks(void);
117 void do_enable_clocks(u32 *const *, u32 *const *, u8);
118 void do_disable_clocks(u32 *const *, u32 *const *, u8);
120 void set_mpu_spreadspectrum(int permille);