/* SPDX-License-Identifier: BSD-2-Clause */ /* * Copyright (c) 2024, STMicroelectronics */ #ifndef __STM32_SYSCONF_H__ #define __STM32_SYSCONF_H__ #include #include #include /* syscon banks */ enum syscon_banks { SYSCON_SYSCFG, SYSCON_A35SSC, SYSCON_NB_BANKS }; #define SYSCON_ID(bank, offset) (((bank) << 16) | \ ((offset) & GENMASK_32(15, 0))) /* * SYSCFG register offsets (base relative) */ #define SYSCFG_VDERAMCR SYSCON_ID(SYSCON_SYSCFG, 0x1800) /* * SYSCFG_VDERAMCR register offsets */ #define VDERAMCR_VDERAM_EN BIT(0) #define VDERAMCR_MASK BIT(0) /* * A35SSC register offsets (base relative) */ #define A35SS_SSC_CHGCLKREQ SYSCON_ID(SYSCON_A35SSC, 0x0) #define A35SS_SSC_PLL_FREQ1 SYSCON_ID(SYSCON_A35SSC, 0x80) #define A35SS_SSC_PLL_FREQ2 SYSCON_ID(SYSCON_A35SSC, 0x90) #define A35SS_SSC_PLL_EN SYSCON_ID(SYSCON_A35SSC, 0xA0) #define A35SSC_M33CFG_ACCESS_CR SYSCON_ID(SYSCON_A35SSC, 0x2088) #define A35SSC_M33_TZEN_CR SYSCON_ID(SYSCON_A35SSC, 0x20A0) #define A35SSC_M33_INITSVTOR_CR SYSCON_ID(SYSCON_A35SSC, 0x20A4) #define A35SSC_M33_INITNSVTOR_CR SYSCON_ID(SYSCON_A35SSC, 0x20A8) /* * A35SSC M33CFG_ACCESS_CR register */ #define A35SSC_M33_TZEN_CR_M33CFG_SEC BIT(0) #define A35SSC_M33_TZEN_CR_M33CFG_PRIV BIT(1) /* * A35SSC M33_TZEN_CR register */ #define A35SSC_M33_TZEN_CR_CFG_SECEXT BIT(0) /* * A35SSC A35SS_SSC_CHGCLKREQ register */ #define A35SS_SSC_CHGCLKREQ_ARM_CHGCLKREQ_EN BIT(0) #define A35SS_SSC_CHGCLKREQ_ARM_CHGCLKREQ_MASK BIT(0) #define A35SS_SSC_CHGCLKREQ_ARM_CHGCLKACK_MASK BIT(1) #define A35SS_SSC_CHGCLKREQ_ARM_CHGCLKACK_SHIFT U(1) /* * A35SSC A35SS_SSC_PLL_FREQ1 register */ #define A35SS_SSC_PLL_FREQ1_FBDIV_MASK GENMASK_32(11, 0) #define A35SS_SSC_PLL_FREQ1_FBDIV_SHIFT U(0) #define A35SS_SSC_PLL_FREQ1_REFDIV_MASK GENMASK_32(21, 16) #define A35SS_SSC_PLL_FREQ1_REFDIV_SHIFT U(16) #define A35SS_SSC_PLL_FREQ1_MASK (A35SS_SSC_PLL_FREQ1_REFDIV_MASK | \ A35SS_SSC_PLL_FREQ1_FBDIV_MASK) /* * A35SSC A35SS_SSC_PLL_FREQ2 register */ #define A35SS_SSC_PLL_FREQ2_POSTDIV1_MASK GENMASK_32(2, 0) #define A35SS_SSC_PLL_FREQ2_POSTDIV1_SHIFT U(0) #define A35SS_SSC_PLL_FREQ2_POSTDIV2_MASK GENMASK_32(5, 3) #define A35SS_SSC_PLL_FREQ2_POSTDIV2_SHIFT U(3) #define A35SS_SSC_PLL_FREQ2_MASK GENMASK_32(5, 0) /* * A35SSC A35SS_SSC_PLL_EN register */ #define A35SS_SSC_PLL_ENABLE_PD_EN BIT(0) #define A35SS_SSC_PLL_ENABLE_PD_MASK BIT(0) #define A35SS_SSC_PLL_ENABLE_LOCKP_MASK BIT(1) #define A35SS_SSC_PLL_ENABLE_NRESET_SWPLL_FF_EN BIT(2) #define A35SS_SSC_PLL_ENABLE_NRESET_SWPLL_FF_MASK BIT(2) /* * Write masked value is SYSCONF register * @id: SYSCONF register ID, processed with SYSCON_ID() macro * @value: Value to be written * @bitmsk: Bit mask applied to @value */ void stm32mp_syscfg_write(uint32_t id, uint32_t value, uint32_t bitmsk); /* * Read SYSCONF reagister * @id: SYSCONF register ID, processed with SYSCON_ID() macro */ uint32_t stm32mp_syscfg_read(uint32_t id); /* * Set safe reset state * @status: True to enable safe reset, false to disable safe reset */ void stm32mp25_syscfg_set_safe_reset(bool status); #endif /*__STM32_SYSCONF_H__*/