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151 lines
4.8 KiB
151 lines
4.8 KiB
/*
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* Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef TZC_DMC500_H
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#define TZC_DMC500_H
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#include <drivers/arm/tzc_common.h>
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#include <lib/utils_def.h>
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#define SI_STATUS_OFFSET U(0x000)
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#define SI_STATE_CTRL_OFFSET U(0x030)
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#define SI_FLUSH_CTRL_OFFSET U(0x034)
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#define SI_INT_CONTROL_OFFSET U(0x048)
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#define SI_INT_STATUS_OFFSET U(0x004)
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#define SI_TZ_FAIL_ADDRESS_LOW_OFFSET U(0x008)
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#define SI_TZ_FAIL_ADDRESS_HIGH_OFFSET U(0x00c)
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#define SI_FAIL_CONTROL_OFFSET U(0x010)
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#define SI_FAIL_ID_OFFSET U(0x014)
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#define SI_INT_CLR_OFFSET U(0x04c)
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/*
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* DMC-500 has 2 system interfaces each having a similar set of regs
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* to configure each interface.
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*/
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#define SI0_BASE U(0x0000)
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#define SI1_BASE U(0x0200)
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/* Bit positions of SIx_SI_STATUS */
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#define SI_EMPTY_SHIFT 1
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#define SI_STALL_ACK_SHIFT 0
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#define SI_EMPTY_MASK U(0x01)
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#define SI_STALL_ACK_MASK U(0x01)
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/* Bit positions of SIx_SI_INT_STATUS */
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#define PMU_REQ_INT_OVERFLOW_STATUS_SHIFT 18
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#define FAILED_ACCESS_INT_OVERFLOW_STATUS_SHIFT 16
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#define PMU_REQ_INT_STATUS_SHIFT 2
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#define FAILED_ACCESS_INT_INFO_TZ_OVERLAP_STATUS_SHIFT 1
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#define FAILED_ACCESS_INT_STATUS_SHIFT 0
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#define PMU_REQ_INT_OVERFLOW_STATUS_MASK U(0x1)
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#define FAILED_ACCESS_INT_OVERFLOW_STATUS_MASK U(0x1)
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#define PMU_REQ_INT_STATUS_MASK U(0x1)
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#define FAILED_ACCESS_INT_INFO_TZ_OVERLAP_STATUS_MASK U(0x1)
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#define FAILED_ACCESS_INT_STATUS_MASK U(0x1)
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/* Bit positions of SIx_TZ_FAIL_CONTROL */
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#define DIRECTION_SHIFT 24
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#define NON_SECURE_SHIFT 21
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#define PRIVILEGED_SHIFT 20
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#define FAILED_ACCESS_INT_INFO_RANK_MASKED_SHIFT 3
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#define FAILED_ACCESS_INT_INFO_UNMAPPED_SHIFT 2
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#define FAILED_ACCESS_INT_TZ_FAIL_SHIFT 1
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#define FAILED_ACCESS_INT_INFO_OUTSIDE_DEFAULT_SHIFT 0
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#define DIRECTION_MASK U(0x1)
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#define NON_SECURE_MASK U(0x1)
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#define PRIVILEGED_MASK U(0x1)
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#define FAILED_ACCESS_INT_INFO_RANK_MASKED_MASK U(0x1)
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#define FAILED_ACCESS_INT_INFO_UNMAPPED_MASK U(0x1)
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#define FAILED_ACCESS_INT_TZ_FAIL_MASK U(0x1)
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#define FAILED_ACCESS_INT_INFO_OUTSIDE_DEFAULT_MASK U(0x1)
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/* Bit positions of SIx_FAIL_STATUS */
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#define FAIL_ID_VNET_SHIFT 24
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#define FAIL_ID_ID_SHIFT 0
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#define FAIL_ID_VNET_MASK U(0xf)
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#define FAIL_ID_ID_MASK U(0xffffff)
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/* Bit positions of SIx_SI_STATE_CONTRL */
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#define SI_STALL_REQ_GO 0x0
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#define SI_STALL_REQ_STALL 0x1
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/* Bit positions of SIx_SI_FLUSH_CONTROL */
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#define SI_FLUSH_REQ_INACTIVE 0x0
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#define SI_FLUSH_REQ_ACTIVE 0x1
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#define SI_FLUSH_REQ_MASK 0x1
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/* Bit positions of SIx_SI_INT_CONTROL */
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#define PMU_REQ_INT_EN_SHIFT 2
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#define OVERLAP_DETECT_INT_EN_SHIFT 1
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#define FAILED_ACCESS_INT_EN_SHIFT 0
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#define PMU_REQ_INT_EN_MASK U(0x1)
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#define OVERLAP_DETECT_INT_EN_MASK U(0x1)
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#define FAILED_ACCESS_INT_EN_MASK U(0x1)
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#define PMU_REQ_INT_EN U(0x1)
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#define OVERLAP_DETECT_INT_EN U(0x1)
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#define FAILED_ACCESS_INT_EN U(0x1)
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/* Bit positions of SIx_SI_INT_CLR */
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#define PMU_REQ_OFLOW_CLR_SHIFT 18
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#define FAILED_ACCESS_OFLOW_CLR_SHIFT 16
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#define PMU_REQ_INT_CLR_SHIFT 2
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#define FAILED_ACCESS_INT_CLR_SHIFT 0
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#define PMU_REQ_OFLOW_CLR_MASK U(0x1)
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#define FAILED_ACCESS_OFLOW_CLR_MASK U(0x1)
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#define PMU_REQ_INT_CLR_MASK U(0x1)
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#define FAILED_ACCESS_INT_CLR_MASK U(0x1)
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#define PMU_REQ_OFLOW_CLR U(0x1)
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#define FAILED_ACCESS_OFLOW_CLR U(0x1)
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#define PMU_REQ_INT_CLR U(0x1)
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#define FAILED_ACCESS_INT_CLR U(0x1)
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/* Macro to get the correct base register for a system interface */
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#define IFACE_OFFSET(sys_if) ((sys_if) ? SI1_BASE : SI0_BASE)
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#define MAX_SYS_IF_COUNT U(2)
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#define MAX_REGION_VAL 8
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/* DMC-500 supports striping across a max of 4 DMC instances */
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#define MAX_DMC_COUNT 4
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/* Consist of part_number_1 and part_number_0 */
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#define DMC500_PERIPHERAL_ID U(0x0450)
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/* Filter enable bits in a TZC */
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#define TZC_DMC500_REGION_ATTR_F_EN_MASK U(0x1)
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/* Length of registers for configuring each region */
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#define TZC_DMC500_REGION_SIZE U(0x018)
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#ifndef __ASSEMBLER__
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#include <stdint.h>
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/*
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* Contains the base addresses of all the DMC instances.
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*/
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typedef struct tzc_dmc500_driver_data {
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uintptr_t dmc_base[MAX_DMC_COUNT];
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int dmc_count;
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unsigned int sys_if_count;
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} tzc_dmc500_driver_data_t;
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void tzc_dmc500_driver_init(const tzc_dmc500_driver_data_t *plat_driver_data);
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void tzc_dmc500_configure_region0(unsigned int sec_attr,
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unsigned int nsaid_permissions);
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void tzc_dmc500_configure_region(unsigned int region_no,
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unsigned long long region_base,
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unsigned long long region_top,
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unsigned int sec_attr,
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unsigned int nsaid_permissions);
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void tzc_dmc500_set_action(unsigned int action);
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void tzc_dmc500_config_complete(void);
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int tzc_dmc500_verify_complete(void);
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#endif /* __ASSEMBLER__ */
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#endif /* TZC_DMC500_H */
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