Antonio Nino Diaz | 272e871 | 2018-09-18 01:36:00 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <assert.h> |
Antonio Nino Diaz | 272e871 | 2018-09-18 01:36:00 +0100 | [diff] [blame] | 8 | #include <stdint.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 9 | |
| 10 | #include <platform_def.h> |
| 11 | |
| 12 | #include <bl31/interrupt_mgmt.h> |
| 13 | #include <common/bl_common.h> |
| 14 | #include <common/debug.h> |
| 15 | #include <common/ep_info.h> |
| 16 | #include <drivers/meson/meson_console.h> |
| 17 | #include <lib/mmio.h> |
| 18 | #include <lib/xlat_tables/xlat_tables_v2.h> |
Antonio Nino Diaz | 272e871 | 2018-09-18 01:36:00 +0100 | [diff] [blame] | 19 | |
| 20 | /******************************************************************************* |
| 21 | * Platform memory map regions |
| 22 | ******************************************************************************/ |
| 23 | #define MAP_NSDRAM0 MAP_REGION_FLAT(GXBB_NSDRAM0_BASE, \ |
| 24 | GXBB_NSDRAM0_SIZE, \ |
| 25 | MT_MEMORY | MT_RW | MT_NS) |
| 26 | |
| 27 | #define MAP_NSDRAM1 MAP_REGION_FLAT(GXBB_NSDRAM1_BASE, \ |
| 28 | GXBB_NSDRAM1_SIZE, \ |
| 29 | MT_MEMORY | MT_RW | MT_NS) |
| 30 | |
| 31 | #define MAP_SEC_DEVICE0 MAP_REGION_FLAT(GXBB_SEC_DEVICE0_BASE, \ |
| 32 | GXBB_SEC_DEVICE0_SIZE, \ |
| 33 | MT_DEVICE | MT_RW | MT_SECURE) |
| 34 | |
| 35 | #define MAP_SEC_DEVICE1 MAP_REGION_FLAT(GXBB_SEC_DEVICE1_BASE, \ |
| 36 | GXBB_SEC_DEVICE1_SIZE, \ |
| 37 | MT_DEVICE | MT_RW | MT_SECURE) |
| 38 | |
| 39 | #define MAP_TZRAM MAP_REGION_FLAT(GXBB_TZRAM_BASE, \ |
| 40 | GXBB_TZRAM_SIZE, \ |
| 41 | MT_DEVICE | MT_RW | MT_SECURE) |
| 42 | |
| 43 | #define MAP_SEC_DEVICE2 MAP_REGION_FLAT(GXBB_SEC_DEVICE2_BASE, \ |
| 44 | GXBB_SEC_DEVICE2_SIZE, \ |
| 45 | MT_DEVICE | MT_RW | MT_SECURE) |
| 46 | |
| 47 | #define MAP_SEC_DEVICE3 MAP_REGION_FLAT(GXBB_SEC_DEVICE3_BASE, \ |
| 48 | GXBB_SEC_DEVICE3_SIZE, \ |
| 49 | MT_DEVICE | MT_RW | MT_SECURE) |
| 50 | |
| 51 | static const mmap_region_t gxbb_mmap[] = { |
| 52 | MAP_NSDRAM0, |
| 53 | MAP_NSDRAM1, |
| 54 | MAP_SEC_DEVICE0, |
| 55 | MAP_SEC_DEVICE1, |
| 56 | MAP_TZRAM, |
| 57 | MAP_SEC_DEVICE2, |
| 58 | MAP_SEC_DEVICE3, |
| 59 | {0} |
| 60 | }; |
| 61 | |
| 62 | /******************************************************************************* |
| 63 | * Per-image regions |
| 64 | ******************************************************************************/ |
| 65 | #define MAP_BL31 MAP_REGION_FLAT(BL31_BASE, \ |
| 66 | BL31_END - BL31_BASE, \ |
| 67 | MT_MEMORY | MT_RW | MT_SECURE) |
| 68 | |
| 69 | #define MAP_BL_CODE MAP_REGION_FLAT(BL_CODE_BASE, \ |
| 70 | BL_CODE_END - BL_CODE_BASE, \ |
| 71 | MT_CODE | MT_SECURE) |
| 72 | |
| 73 | #define MAP_BL_RO_DATA MAP_REGION_FLAT(BL_RO_DATA_BASE, \ |
| 74 | BL_RO_DATA_END - BL_RO_DATA_BASE, \ |
| 75 | MT_RO_DATA | MT_SECURE) |
| 76 | |
| 77 | #define MAP_BL_COHERENT MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, \ |
| 78 | BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, \ |
| 79 | MT_DEVICE | MT_RW | MT_SECURE) |
| 80 | |
| 81 | /******************************************************************************* |
| 82 | * Function that sets up the translation tables. |
| 83 | ******************************************************************************/ |
| 84 | void gxbb_setup_page_tables(void) |
| 85 | { |
| 86 | #if IMAGE_BL31 |
| 87 | const mmap_region_t gxbb_bl_mmap[] = { |
| 88 | MAP_BL31, |
| 89 | MAP_BL_CODE, |
| 90 | MAP_BL_RO_DATA, |
| 91 | #if USE_COHERENT_MEM |
| 92 | MAP_BL_COHERENT, |
| 93 | #endif |
| 94 | {0} |
| 95 | }; |
| 96 | #endif |
| 97 | |
| 98 | mmap_add(gxbb_bl_mmap); |
| 99 | |
| 100 | mmap_add(gxbb_mmap); |
| 101 | |
| 102 | init_xlat_tables(); |
| 103 | } |
| 104 | |
| 105 | /******************************************************************************* |
| 106 | * Function that sets up the console |
| 107 | ******************************************************************************/ |
| 108 | static console_meson_t gxbb_console; |
| 109 | |
| 110 | void gxbb_console_init(void) |
| 111 | { |
| 112 | int rc = console_meson_register(GXBB_UART0_AO_BASE, |
| 113 | GXBB_UART0_AO_CLK_IN_HZ, |
| 114 | GXBB_UART_BAUDRATE, |
| 115 | &gxbb_console); |
| 116 | if (rc == 0) { |
| 117 | /* |
| 118 | * The crash console doesn't use the multi console API, it uses |
| 119 | * the core console functions directly. It is safe to call panic |
| 120 | * and let it print debug information. |
| 121 | */ |
| 122 | panic(); |
| 123 | } |
| 124 | |
| 125 | console_set_scope(&gxbb_console.console, |
| 126 | CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME); |
| 127 | } |
| 128 | |
| 129 | /******************************************************************************* |
| 130 | * Function that returns the system counter frequency |
| 131 | ******************************************************************************/ |
| 132 | unsigned int plat_get_syscnt_freq2(void) |
| 133 | { |
| 134 | uint32_t val; |
| 135 | |
| 136 | val = mmio_read_32(GXBB_SYS_CPU_CFG7); |
| 137 | val &= 0xFDFFFFFF; |
| 138 | mmio_write_32(GXBB_SYS_CPU_CFG7, val); |
| 139 | |
| 140 | val = mmio_read_32(GXBB_AO_TIMESTAMP_CNTL); |
| 141 | val &= 0xFFFFFE00; |
| 142 | mmio_write_32(GXBB_AO_TIMESTAMP_CNTL, val); |
| 143 | |
| 144 | return GXBB_OSC24M_CLK_IN_HZ; |
| 145 | } |