/* SPDX-License-Identifier: BSD-2-Clause */ /* * Copyright 2017 NXP * All rights reserved. * * Peng Fan * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef __DRIVERS_TZC380_H #define __DRIVERS_TZC380_H #include #include #include #include #define TZC400_REG_SIZE 0x1000 #define BUILD_CONFIG_OFF 0x000 #define ACTION_OFF 0x004 #define LOCKDOWN_RANGE_OFF 0x008 #define LOCKDOWN_SELECT_OFF 0x00C #define INT_STATUS 0x010 #define INT_CLEAR 0x014 #define FAIL_ADDRESS_LOW_OFF 0x020 #define FAIL_ADDRESS_HIGH_OFF 0x024 #define FAIL_CONTROL_OFF 0x028 #define FAIL_ID 0x02c #define SPECULATION_CTRL_OFF 0x030 #define SECURITY_INV_EN_OFF 0x034 #define REGION_SETUP_LOW_OFF(n) (0x100 + n * 0x10) #define REGION_SETUP_HIGH_OFF(n) (0x104 + n * 0x10) #define REGION_ATTRIBUTES_OFF(n) (0x108 + n * 0x10) /* ID Registers */ #define PID0_OFF 0xfe0 #define PID1_OFF 0xfe4 #define PID2_OFF 0xfe8 #define PID3_OFF 0xfec #define PID4_OFF 0xfd0 #define CID0_OFF 0xff0 #define CID1_OFF 0xff4 #define CID2_OFF 0xff8 #define CID3_OFF 0xffc #define BUILD_CONFIG_AW_SHIFT 8 #define BUILD_CONFIG_AW_MASK 0x3f #define BUILD_CONFIG_NR_SHIFT 0 #define BUILD_CONFIG_NR_MASK 0xf #define ACTION_RV_SHIFT 0 #define ACTION_RV_MASK 0x3 #define ACTION_RV_LOWOK 0x0 #define ACTION_RV_LOWERR 0x1 #define ACTION_RV_HIGHOK 0x2 #define ACTION_RV_HIGHERR 0x3 /* Speculation is enabled by default. */ #define SPECULATION_CTRL_WRITE_DISABLE BIT(1) #define SPECULATION_CTRL_READ_DISABLE BIT(0) #define INT_STATUS_OVERRUN_SHIFT 1 #define INT_STATUS_OVERRUN_MASK 0x1 #define INT_STATUS_STATUS_SHIFT 0 #define INT_STATUS_STATUS_MASK 0x1 #define INT_CLEAR_CLEAR_SHIFT 0 #define INT_CLEAR_CLEAR_MASK 0x1 #define TZC380_COMPONENT_ID 0xb105f00d #define TZC380_PERIPH_ID_LOW 0x001bb380 #define TZC380_PERIPH_ID_HIGH 0x00000004 /******************************************************************************* * Function & variable prototypes ******************************************************************************/ /* * What type of action is expected when an access violation occurs. * The memory requested is zeroed. But we can also raise and event to * let the system know it happened. * We can raise an interrupt(INT) and/or cause an exception(ERR). * TZC_ACTION_NONE - No interrupt, no Exception * TZC_ACTION_ERR - No interrupt, raise exception -> sync external * data abort * TZC_ACTION_INT - Raise interrupt, no exception * TZC_ACTION_ERR_INT - Raise interrupt, raise exception -> sync * external data abort */ enum tzc_action { TZC_ACTION_NONE = 0, TZC_ACTION_ERR = 1, TZC_ACTION_INT = 2, TZC_ACTION_ERR_INT = (TZC_ACTION_ERR | TZC_ACTION_INT) }; #define TZC_SP_NS_W BIT(0) #define TZC_SP_NS_R BIT(1) #define TZC_SP_S_W BIT(2) #define TZC_SP_S_R BIT(3) #define TZC_ATTR_SP_SHIFT 28 #define TZC_ATTR_SP_MASK GENMASK_32(31, 28) #define TZC_ATTR_SP_ALL ((TZC_SP_S_W | TZC_SP_S_R | TZC_SP_NS_W | \ TZC_SP_NS_R) << TZC_ATTR_SP_SHIFT) #define TZC_ATTR_SP_S_RW ((TZC_SP_S_W | TZC_SP_S_R) << \ TZC_ATTR_SP_SHIFT) #define TZC_ATTR_SP_NS_RW ((TZC_SP_NS_W | TZC_SP_NS_R) << \ TZC_ATTR_SP_SHIFT) #define TZC_REGION_SIZE_32K 0xe #define TZC_REGION_SIZE_64K 0xf #define TZC_REGION_SIZE_128K 0x10 #define TZC_REGION_SIZE_256K 0x11 #define TZC_REGION_SIZE_512K 0x12 #define TZC_REGION_SIZE_1M 0x13 #define TZC_REGION_SIZE_2M 0x14 #define TZC_REGION_SIZE_4M 0x15 #define TZC_REGION_SIZE_8M 0x16 #define TZC_REGION_SIZE_16M 0x17 #define TZC_REGION_SIZE_32M 0x18 #define TZC_REGION_SIZE_64M 0x19 #define TZC_REGION_SIZE_128M 0x1a #define TZC_REGION_SIZE_256M 0x1b #define TZC_REGION_SIZE_512M 0x1c #define TZC_REGION_SIZE_1G 0x1d #define TZC_REGION_SIZE_2G 0x1e #define TZC_REGION_SIZE_4G 0x1f #define TZC_REGION_SIZE_8G 0x20 #define TZC_REGION_SIZE_16G 0x21 #define TZC_REGION_SIZE_32G 0x22 #define TZC_REGION_SIZE_64G 0x23 #define TZC_REGION_SIZE_128G 0x24 #define TZC_REGION_SIZE_256G 0x25 #define TZC_REGION_SIZE_512G 0x26 #define TZC_REGION_SIZE_1T 0x27 #define TZC_REGION_SIZE_2T 0x28 #define TZC_REGION_SIZE_4T 0x29 #define TZC_REGION_SIZE_8T 0x2a #define TZC_REGION_SIZE_16T 0x2b #define TZC_REGION_SIZE_32T 0x2c #define TZC_REGION_SIZE_64T 0x2d #define TZC_REGION_SIZE_128T 0x2e #define TZC_REGION_SIZE_256T 0x2f #define TZC_REGION_SIZE_512T 0x30 #define TZC_REGION_SIZE_1P 0x31 #define TZC_REGION_SIZE_2P 0x32 #define TZC_REGION_SIZE_4P 0x33 #define TZC_REGION_SIZE_8P 0x34 #define TZC_REGION_SIZE_16P 0x35 #define TZC_REGION_SIZE_32P 0x36 #define TZC_REGION_SIZE_64P 0x37 #define TZC_REGION_SIZE_128P 0x38 #define TZC_REGION_SIZE_256P 0x39 #define TZC_REGION_SIZE_512P 0x3a #define TZC_REGION_SIZE_1E 0x3b #define TZC_REGION_SIZE_2E 0x3c #define TZC_REGION_SIZE_4E 0x3d #define TZC_REGION_SIZE_8E 0x3e #define TZC_REGION_SIZE_16E 0x3f #define TZC_REGION_SIZE_SHIFT 0x1 #define TZC_REGION_SIZE_MASK GENMASK_32(6, 1) #define TZC_ATTR_REGION_SIZE(s) ((s) << TZC_REGION_SIZE_SHIFT) #define TZC_SUBREGION_DIS_SHIFT 8 #define TZC_SUBREGION_DIS_MASK GENMASK_32(15, 8) #define TZC_ATTR_SUBREGION_DIS(subreg) \ (BIT((subreg) + TZC_SUBREGION_DIS_SHIFT) & \ TZC_SUBREGION_DIS_MASK) #define TZC_ATTR_REGION_EN_SHIFT 0x0 #define TZC_ATTR_REGION_EN_MASK 0x1 #define TZC_ATTR_REGION_EN #define TZC_ATTR_REGION_ENABLE 0x1 #define TZC_ATTR_REGION_DISABLE 0x0 #ifdef CFG_WITH_LPAE #define TZC380_POW 48 #else #define TZC380_POW 34 #endif void tzc_init(vaddr_t base); void tzc_configure_region(uint8_t region, vaddr_t region_base, uint32_t attr); void tzc_region_enable(uint8_t region); void tzc_security_inversion_en(vaddr_t base); void tzc_set_action(enum tzc_action action); uint32_t tzc_get_action(void); void tzc_fail_dump(void); void tzc_int_clear(void); int tzc_auto_configure(vaddr_t addr, vaddr_t rsize, uint32_t attr, uint8_t region); #if TRACE_LEVEL >= TRACE_DEBUG void tzc_dump_state(void); #else static inline void tzc_dump_state(void) { } #endif #endif /* __DRIVERS_TZC400_H */