/* * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 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. * * Neither the name of ARM nor the names of its contributors may be used * to endorse or promote products derived from this software without specific * prior written permission. * * 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 __TZC400_H__ #define __TZC400_H__ #include #define BUILD_CONFIG_OFF 0x000 #define GATE_KEEPER_OFF 0x008 #define SPECULATION_CTRL_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 /* ID registers not common across different varieties of TZC */ #define PID5 0xFD4 #define PID6 0xFD8 #define PID7 0xFDC #define BUILD_CONFIG_NF_SHIFT 24 #define BUILD_CONFIG_NF_MASK 0x3 #define BUILD_CONFIG_AW_SHIFT 8 #define BUILD_CONFIG_AW_MASK 0x3f #define BUILD_CONFIG_NR_SHIFT 0 #define BUILD_CONFIG_NR_MASK 0x1f /* * Number of gate keepers is implementation defined. But we know the max for * this device is 4. Get implementation details from BUILD_CONFIG. */ #define GATE_KEEPER_OS_SHIFT 16 #define GATE_KEEPER_OS_MASK 0xf #define GATE_KEEPER_OR_SHIFT 0 #define GATE_KEEPER_OR_MASK 0xf #define GATE_KEEPER_FILTER_MASK 0x1 /* Speculation is enabled by default. */ #define SPECULATION_CTRL_WRITE_DISABLE (1 << 1) #define SPECULATION_CTRL_READ_DISABLE (1 << 0) /* Max number of filters allowed is 4. */ #define INT_STATUS_OVERLAP_SHIFT 16 #define INT_STATUS_OVERLAP_MASK 0xf #define INT_STATUS_OVERRUN_SHIFT 8 #define INT_STATUS_OVERRUN_MASK 0xf #define INT_STATUS_STATUS_SHIFT 0 #define INT_STATUS_STATUS_MASK 0xf #define INT_CLEAR_CLEAR_SHIFT 0 #define INT_CLEAR_CLEAR_MASK 0xf #define FAIL_CONTROL_DIR_SHIFT (1 << 24) #define FAIL_CONTROL_DIR_READ 0x0 #define FAIL_CONTROL_DIR_WRITE 0x1 #define FAIL_CONTROL_NS_SHIFT (1 << 21) #define FAIL_CONTROL_NS_SECURE 0x0 #define FAIL_CONTROL_NS_NONSECURE 0x1 #define FAIL_CONTROL_PRIV_SHIFT (1 << 20) #define FAIL_CONTROL_PRIV_PRIV 0x0 #define FAIL_CONTROL_PRIV_UNPRIV 0x1 /* * FAIL_ID_ID_MASK depends on AID_WIDTH which is platform specific. * Platform should provide the value on initialisation. */ #define FAIL_ID_VNET_SHIFT 24 #define FAIL_ID_VNET_MASK 0xf #define FAIL_ID_ID_SHIFT 0 #define TZC_400_PERIPHERAL_ID 0x460 /* Filter enable bits in a TZC */ #define TZC_400_REGION_ATTR_F_EN_MASK 0xf #define TZC_400_REGION_ATTR_FILTER_BIT(x) ((1 << x) \ << TZC_REGION_ATTR_F_EN_SHIFT) #define TZC_400_REGION_ATTR_FILTER_BIT_ALL \ (TZC_400_REGION_ATTR_F_EN_MASK << \ TZC_REGION_ATTR_F_EN_SHIFT) /* * Define some macros for backward compatibility with existing tzc400 clients. */ #if !ERROR_DEPRECATED #define REG_ATTR_FILTER_BIT(x) ((1 << x) \ << TZC_REGION_ATTR_F_EN_SHIFT) #define REG_ATTR_FILTER_BIT_ALL (TZC_400_REGION_ATTR_F_EN_MASK << \ TZC_REGION_ATTR_F_EN_SHIFT) #endif /* __ERROR_DEPRECATED__ */ /* * All TZC region configuration registers are placed one after another. It * depicts size of block of registers for programming each region. */ #define TZC_400_REGION_SIZE 0x20 #define TZC_400_ACTION_OFF 0x4 #ifndef __ASSEMBLY__ #include #include /******************************************************************************* * Function & variable prototypes ******************************************************************************/ void tzc400_init(uintptr_t base); void tzc400_configure_region0(tzc_region_attributes_t sec_attr, unsigned int ns_device_access); void tzc400_configure_region(unsigned int filters, int region, uintptr_t region_base, uintptr_t region_top, tzc_region_attributes_t sec_attr, unsigned int ns_device_access); void tzc400_set_action(tzc_action_t action); void tzc400_enable_filters(void); void tzc400_disable_filters(void); /* * Deprecated APIs */ static inline void tzc_init(uintptr_t base) __deprecated; static inline void tzc_configure_region0( tzc_region_attributes_t sec_attr, unsigned int ns_device_access) __deprecated; static inline void tzc_configure_region( unsigned int filters, int region, uintptr_t region_base, uintptr_t region_top, tzc_region_attributes_t sec_attr, unsigned int ns_device_access) __deprecated; static inline void tzc_set_action(tzc_action_t action) __deprecated; static inline void tzc_enable_filters(void) __deprecated; static inline void tzc_disable_filters(void) __deprecated; static inline void tzc_init(uintptr_t base) { tzc400_init(base); } static inline void tzc_configure_region0( tzc_region_attributes_t sec_attr, unsigned int ns_device_access) { tzc400_configure_region0(sec_attr, ns_device_access); } static inline void tzc_configure_region( unsigned int filters, int region, uintptr_t region_base, uintptr_t region_top, tzc_region_attributes_t sec_attr, unsigned int ns_device_access) { tzc400_configure_region(filters, region, region_base, region_top, sec_attr, ns_device_access); } static inline void tzc_set_action(tzc_action_t action) { tzc400_set_action(action); } static inline void tzc_enable_filters(void) { tzc400_enable_filters(); } static inline void tzc_disable_filters(void) { tzc400_disable_filters(); } #endif /* __ASSEMBLY__ */ #endif /* __TZC400__ */