1 /*
2 * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <common/bl_common.h>
8 #include <common/debug.h>
9 #include <drivers/console.h>
10 #include <plat/arm/common/plat_arm.h>
11
12 #include <plat_private.h>
13 #include <platform_tsp.h>
14
15 /*******************************************************************************
16 * Initialize the UART
17 ******************************************************************************/
tsp_early_platform_setup(void)18 void tsp_early_platform_setup(void)
19 {
20 /*
21 * Register a different console than already in use to display
22 * messages from TSP
23 */
24 static console_t tsp_boot_console;
25 (void)console_cdns_register(ZYNQMP_UART_BASE,
26 zynqmp_get_uart_clk(),
27 ZYNQMP_UART_BAUDRATE,
28 &tsp_boot_console);
29 console_set_scope(&tsp_boot_console,
30 CONSOLE_FLAG_RUNTIME | CONSOLE_FLAG_BOOT);
31
32 /* Initialize the platform config for future decision making */
33 zynqmp_config_setup();
34 }
35
36 /*******************************************************************************
37 * Perform platform specific setup placeholder
38 ******************************************************************************/
tsp_platform_setup(void)39 void tsp_platform_setup(void)
40 {
41 plat_arm_gic_driver_init();
42 plat_arm_gic_init();
43 }
44
45 /*******************************************************************************
46 * Perform the very early platform specific architectural setup here. At the
47 * moment this is only intializes the MMU
48 ******************************************************************************/
tsp_plat_arch_setup(void)49 void tsp_plat_arch_setup(void)
50 {
51 const mmap_region_t bl_regions[] = {
52 MAP_REGION_FLAT(BL32_BASE, BL32_END - BL32_BASE,
53 MT_MEMORY | MT_RW | MT_SECURE),
54 MAP_REGION_FLAT(BL_CODE_BASE, BL_CODE_END - BL_CODE_BASE,
55 MT_CODE | MT_SECURE),
56 MAP_REGION_FLAT(BL_RO_DATA_BASE, BL_RO_DATA_END - BL_RO_DATA_BASE,
57 MT_RO_DATA | MT_SECURE),
58 MAP_REGION_FLAT(BL_COHERENT_RAM_BASE,
59 BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE,
60 MT_DEVICE | MT_RW | MT_SECURE),
61 {0}
62 };
63
64 setup_page_tables(bl_regions, plat_arm_get_mmap());
65 enable_mmu_el1(0);
66 }
67