X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Finclude%2Fasm%2Farch-am33xx%2Fclock.h;h=4af6b57e42f5528c7ed2e78796b654a94f179ec1;hb=bdf790fabc8185112b3f699c8a25aab09c50239e;hp=ecb590185730f47c9d91fa4698fdf8e8989e1017;hpb=b6379e15a70cc2e22486e5962927d9de374d877b;p=u-boot diff --git a/arch/arm/include/asm/arch-am33xx/clock.h b/arch/arm/include/asm/arch-am33xx/clock.h index ecb5901857..4af6b57e42 100644 --- a/arch/arm/include/asm/arch-am33xx/clock.h +++ b/arch/arm/include/asm/arch-am33xx/clock.h @@ -5,15 +5,7 @@ * * Copyright (C) 2011, Texas Instruments Incorporated - http://www.ti.com/ * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the - * GNU General Public License for more details. + * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _CLOCKS_H_ @@ -21,4 +13,104 @@ #include +#ifdef CONFIG_TI81XX +#include +#endif + +#define LDELAY 1000000 + +/*CM___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___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); + #endif