66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
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/*
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* Copyright (c) 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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#include <common/debug.h>
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#include <drivers/arm/tzc_dmc500.h>
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#include <plat/arm/common/plat_arm.h>
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#include <plat/arm/soc/common/soc_css.h>
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#include <sgm_variant.h>
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/* Is populated with the DMC-500 controllers base addresses */
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static tzc_dmc500_driver_data_t plat_driver_data;
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void plat_sgm_dp_security_setup(void)
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{
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unsigned int nprot_nsaid;
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/*
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* At reset the Mali display processors start with NSAIDs set to zero
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* so the firmware must set them up to the expected values for ARM sgm
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* platforms.
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*/
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nprot_nsaid = mmio_read_32(MALI_DP_BASE + DP_NPROT_NSAID_OFFSET);
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nprot_nsaid &= ~((0xF << W_NPROT_NSAID_SHIFT) |
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(0xF << LS_NPORT_NSAID_SHIFT));
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nprot_nsaid |= ((TZC_NSAID_DISP1 << W_NPROT_NSAID_SHIFT) |
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(TZC_NSAID_DISP0 << LS_NPORT_NSAID_SHIFT));
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mmio_write_32(MALI_DP_BASE + DP_NPROT_NSAID_OFFSET, nprot_nsaid);
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}
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void plat_arm_security_setup(void)
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{
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unsigned int i;
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unsigned int part_num = GET_PLAT_PART_NUM;
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INFO("part_num: 0x%x\n", part_num);
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/*
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* Initialise plat_driver_data with platform specific DMC_BASE
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* addresses
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*/
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switch (part_num) {
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case SGM775_SSC_VER_PART_NUM:
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for (i = 0; i < SGM775_DMC_COUNT; i++)
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plat_driver_data.dmc_base[i] = PLAT_ARM_TZC_BASE
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+ SGM_DMC_SIZE * i;
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plat_driver_data.dmc_count = SGM775_DMC_COUNT;
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break;
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default:
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/* Unexpected platform */
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ERROR("Unexpected platform\n");
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panic();
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}
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/* Initialize the TrustZone Controller in DMC-500 */
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arm_tzc_dmc500_setup(&plat_driver_data, NULL);
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/* Do DP NSAID setup */
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plat_sgm_dp_security_setup();
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/* Do ARM CSS SoC security setup */
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soc_css_security_setup();
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}
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