Antonio Nino Diaz | d83c1db | 2017-11-06 14:49:04 +0000 | [diff] [blame] | 1 | /* |
Antonio Nino Diaz | e0f21f6 | 2018-03-27 09:39:47 +0100 | [diff] [blame] | 2 | * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. |
Antonio Nino Diaz | d83c1db | 2017-11-06 14:49:04 +0000 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
Antonio Nino Diaz | 09d40e0 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 7 | #include <platform_def.h> |
| 8 | |
Antonio Nino Diaz | d83c1db | 2017-11-06 14:49:04 +0000 | [diff] [blame] | 9 | #include <arch.h> |
| 10 | #include <arch_helpers.h> |
Antonio Nino Diaz | 09d40e0 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 11 | #include <common/bl_common.h> |
| 12 | #include <common/debug.h> |
| 13 | #include <lib/xlat_tables/xlat_mmu_helpers.h> |
| 14 | #include <lib/xlat_tables/xlat_tables_defs.h> |
Antonio Nino Diaz | d83c1db | 2017-11-06 14:49:04 +0000 | [diff] [blame] | 15 | |
Antonio Nino Diaz | d83c1db | 2017-11-06 14:49:04 +0000 | [diff] [blame] | 16 | #include "rpi3_private.h" |
| 17 | |
| 18 | /* Data structure which holds the extents of the trusted SRAM for BL1 */ |
| 19 | static meminfo_t bl1_tzram_layout; |
| 20 | |
| 21 | meminfo_t *bl1_plat_sec_mem_layout(void) |
| 22 | { |
| 23 | return &bl1_tzram_layout; |
| 24 | } |
| 25 | |
| 26 | /******************************************************************************* |
| 27 | * Perform any BL1 specific platform actions. |
| 28 | ******************************************************************************/ |
| 29 | void bl1_early_platform_setup(void) |
| 30 | { |
| 31 | /* Initialize the console to provide early debug support */ |
Antonio Nino Diaz | e0f21f6 | 2018-03-27 09:39:47 +0100 | [diff] [blame] | 32 | rpi3_console_init(); |
Antonio Nino Diaz | d83c1db | 2017-11-06 14:49:04 +0000 | [diff] [blame] | 33 | |
| 34 | /* Allow BL1 to see the whole Trusted RAM */ |
| 35 | bl1_tzram_layout.total_base = BL_RAM_BASE; |
| 36 | bl1_tzram_layout.total_size = BL_RAM_SIZE; |
| 37 | } |
| 38 | |
| 39 | /****************************************************************************** |
| 40 | * Perform the very early platform specific architecture setup. This only |
| 41 | * does basic initialization. Later architectural setup (bl1_arch_setup()) |
| 42 | * does not do anything platform specific. |
| 43 | *****************************************************************************/ |
| 44 | void bl1_plat_arch_setup(void) |
| 45 | { |
| 46 | rpi3_setup_page_tables(bl1_tzram_layout.total_base, |
| 47 | bl1_tzram_layout.total_size, |
| 48 | BL_CODE_BASE, BL1_CODE_END, |
| 49 | BL1_RO_DATA_BASE, BL1_RO_DATA_END |
| 50 | #if USE_COHERENT_MEM |
| 51 | , BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_END |
| 52 | #endif |
| 53 | ); |
| 54 | |
| 55 | enable_mmu_el3(0); |
| 56 | } |
| 57 | |
| 58 | void bl1_platform_setup(void) |
| 59 | { |
Antonio Nino Diaz | 4f2f66a | 2018-07-12 13:38:53 +0100 | [diff] [blame] | 60 | uint32_t __unused rev; |
| 61 | int __unused rc; |
| 62 | |
| 63 | rc = rpi3_vc_hardware_get_board_revision(&rev); |
| 64 | |
| 65 | if (rc == 0) { |
| 66 | const char __unused *model, __unused *info; |
| 67 | |
| 68 | switch (rev) { |
| 69 | case 0xA02082: |
| 70 | model = "Raspberry Pi 3 Model B"; |
| 71 | info = "(1GB, Sony, UK)"; |
| 72 | break; |
| 73 | case 0xA22082: |
| 74 | model = "Raspberry Pi 3 Model B"; |
| 75 | info = "(1GB, Embest, China)"; |
| 76 | break; |
| 77 | case 0xA020D3: |
| 78 | model = "Raspberry Pi 3 Model B+"; |
| 79 | info = "(1GB, Sony, UK)"; |
| 80 | break; |
| 81 | default: |
| 82 | model = "Unknown"; |
| 83 | info = "(Unknown)"; |
| 84 | ERROR("rpi3: Unknown board revision 0x%08x\n", rev); |
| 85 | break; |
| 86 | } |
| 87 | |
| 88 | NOTICE("rpi3: Detected: %s %s [0x%08x]\n", model, info, rev); |
| 89 | } else { |
| 90 | ERROR("rpi3: Unable to detect board revision\n"); |
| 91 | } |
| 92 | |
Antonio Nino Diaz | d83c1db | 2017-11-06 14:49:04 +0000 | [diff] [blame] | 93 | /* Initialise the IO layer and register platform IO devices */ |
| 94 | plat_rpi3_io_setup(); |
| 95 | } |