blob: 548ec7bd59e0ba06463e4264d500f7df4105223d [file] [log] [blame]
Nariman Poushinc703f902018-03-07 10:29:57 +00001/*
2 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
Antonio Nino Diaze0f90632018-12-14 00:18:21 +00007#include <common/debug.h>
8#include <drivers/arm/tzc_dmc500.h>
9
Nariman Poushinc703f902018-03-07 10:29:57 +000010#include <plat_arm.h>
11#include <sgm_variant.h>
12#include <soc_css.h>
Nariman Poushinc703f902018-03-07 10:29:57 +000013
14/* Is populated with the DMC-500 controllers base addresses */
15static tzc_dmc500_driver_data_t plat_driver_data;
16
17void plat_sgm_dp_security_setup(void)
18{
19 unsigned int nprot_nsaid;
20
21 /*
22 * At reset the Mali display processors start with NSAIDs set to zero
23 * so the firmware must set them up to the expected values for ARM sgm
24 * platforms.
25 */
26
27 nprot_nsaid = mmio_read_32(MALI_DP_BASE + DP_NPROT_NSAID_OFFSET);
28 nprot_nsaid &= ~((0xF << W_NPROT_NSAID_SHIFT) |
29 (0xF << LS_NPORT_NSAID_SHIFT));
30 nprot_nsaid |= ((TZC_NSAID_DISP1 << W_NPROT_NSAID_SHIFT) |
31 (TZC_NSAID_DISP0 << LS_NPORT_NSAID_SHIFT));
32 mmio_write_32(MALI_DP_BASE + DP_NPROT_NSAID_OFFSET, nprot_nsaid);
33}
34
35void plat_arm_security_setup(void)
36{
37 unsigned int i;
38 unsigned int part_num = GET_PLAT_PART_NUM;
39
40 INFO("part_num: 0x%x\n", part_num);
41
42 /*
43 * Initialise plat_driver_data with platform specific DMC_BASE
44 * addresses
45 */
46 switch (part_num) {
47 case SGM775_SSC_VER_PART_NUM:
48 for (i = 0; i < SGM775_DMC_COUNT; i++)
49 plat_driver_data.dmc_base[i] = PLAT_ARM_TZC_BASE
50 + SGM_DMC_SIZE * i;
51 plat_driver_data.dmc_count = SGM775_DMC_COUNT;
52 break;
53 default:
54 /* Unexpected platform */
55 ERROR("Unexpected platform\n");
56 panic();
57 }
58 /* Initialize the TrustZone Controller in DMC-500 */
59 arm_tzc_dmc500_setup(&plat_driver_data, NULL);
60
61 /* Do DP NSAID setup */
62 plat_sgm_dp_security_setup();
63 /* Do ARM CSS SoC security setup */
64 soc_css_security_setup();
65}