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>
15 #include <asm/arch/hardware.h>
18 #include <asm/arch/clock_ti81xx.h>
21 #define LDELAY 1000000
23 /*CM_<clock_domain>__CLKCTRL */
24 #define CD_CLKCTRL_CLKTRCTRL_SHIFT 0
25 #define CD_CLKCTRL_CLKTRCTRL_MASK 3
27 #define CD_CLKCTRL_CLKTRCTRL_NO_SLEEP 0
28 #define CD_CLKCTRL_CLKTRCTRL_SW_SLEEP 1
29 #define CD_CLKCTRL_CLKTRCTRL_SW_WKUP 2
31 /* CM_<clock_domain>_<module>_CLKCTRL */
32 #define MODULE_CLKCTRL_MODULEMODE_SHIFT 0
33 #define MODULE_CLKCTRL_MODULEMODE_MASK 3
34 #define MODULE_CLKCTRL_IDLEST_SHIFT 16
35 #define MODULE_CLKCTRL_IDLEST_MASK (3 << 16)
37 #define MODULE_CLKCTRL_MODULEMODE_SW_DISABLE 0
38 #define MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN 2
40 #define MODULE_CLKCTRL_IDLEST_FULLY_FUNCTIONAL 0
41 #define MODULE_CLKCTRL_IDLEST_TRANSITIONING 1
42 #define MODULE_CLKCTRL_IDLEST_IDLE 2
43 #define MODULE_CLKCTRL_IDLEST_DISABLED 3
46 #define CM_CLKMODE_DPLL_SSC_EN_SHIFT 12
47 #define CM_CLKMODE_DPLL_SSC_EN_MASK (1 << 12)
48 #define CM_CLKMODE_DPLL_SSC_ACK_MASK (1 << 13)
49 #define CM_CLKMODE_DPLL_SSC_DOWNSPREAD_MASK (1 << 14)
50 #define CM_CLKMODE_DPLL_SSC_TYPE_MASK (1 << 15)
51 #define CM_CLKMODE_DPLL_REGM4XEN_SHIFT 11
52 #define CM_CLKMODE_DPLL_REGM4XEN_MASK (1 << 11)
53 #define CM_CLKMODE_DPLL_LPMODE_EN_SHIFT 10
54 #define CM_CLKMODE_DPLL_LPMODE_EN_MASK (1 << 10)
55 #define CM_CLKMODE_DPLL_RELOCK_RAMP_EN_SHIFT 9
56 #define CM_CLKMODE_DPLL_RELOCK_RAMP_EN_MASK (1 << 9)
57 #define CM_CLKMODE_DPLL_DRIFTGUARD_EN_SHIFT 8
58 #define CM_CLKMODE_DPLL_DRIFTGUARD_EN_MASK (1 << 8)
59 #define CM_CLKMODE_DPLL_RAMP_RATE_SHIFT 5
60 #define CM_CLKMODE_DPLL_RAMP_RATE_MASK (0x7 << 5)
61 #define CM_CLKMODE_DPLL_EN_SHIFT 0
62 #define CM_CLKMODE_DPLL_EN_MASK (0x7 << 0)
64 #define CM_CLKMODE_DPLL_DPLL_EN_SHIFT 0
65 #define CM_CLKMODE_DPLL_DPLL_EN_MASK 7
67 #define DPLL_EN_STOP 1
68 #define DPLL_EN_MN_BYPASS 4
69 #define DPLL_EN_LOW_POWER_BYPASS 5
70 #define DPLL_EN_LOCK 7
72 /* CM_IDLEST_DPLL fields */
73 #define ST_DPLL_CLK_MASK 1
76 #define CM_CLKSEL_DPLL_M_SHIFT 8
77 #define CM_CLKSEL_DPLL_M_MASK (0x7FF << 8)
78 #define CM_CLKSEL_DPLL_N_SHIFT 0
79 #define CM_CLKSEL_DPLL_N_MASK 0x7F
103 extern const struct dpll_regs dpll_mpu_regs;
104 extern const struct dpll_regs dpll_core_regs;
105 extern const struct dpll_regs dpll_per_regs;
106 extern const struct dpll_regs dpll_ddr_regs;
107 extern const struct dpll_params dpll_mpu_opp[NUM_CRYSTAL_FREQ][NUM_OPPS];
108 extern const struct dpll_params dpll_core_1000MHz[NUM_CRYSTAL_FREQ];
109 extern const struct dpll_params dpll_per_192MHz[NUM_CRYSTAL_FREQ];
110 extern const struct dpll_params dpll_ddr2_266MHz[NUM_CRYSTAL_FREQ];
111 extern const struct dpll_params dpll_ddr3_303MHz[NUM_CRYSTAL_FREQ];
112 extern const struct dpll_params dpll_ddr3_400MHz[NUM_CRYSTAL_FREQ];
114 extern struct cm_wkuppll *const cmwkup;
116 const struct dpll_params *get_dpll_mpu_params(void);
117 const struct dpll_params *get_dpll_core_params(void);
118 const struct dpll_params *get_dpll_per_params(void);
119 const struct dpll_params *get_dpll_ddr_params(void);
120 void scale_vcores(void);
121 void do_setup_dpll(const struct dpll_regs *, const struct dpll_params *);
122 void prcm_init(void);
123 void enable_basic_clocks(void);
124 void do_enable_clocks(u32 *const *, u32 *const *, u8);
125 void do_disable_clocks(u32 *const *, u32 *const *, u8);
127 void set_mpu_spreadspectrum(int permille);