1 /* 2 * Copyright (c) 2018-2020, Arm Limited and Contributors. All rights reserved. 3 * Copyright (c) 2022-2024, Advanced Micro Devices, Inc. All rights reserved. 4 * 5 * SPDX-License-Identifier: BSD-3-Clause 6 */ 7 8 #include <common/debug.h> 9 #include <lib/mmio.h> 10 #include <lib/xlat_tables/xlat_tables_v2.h> 11 #include <plat/common/platform.h> 12 13 #include <plat_common.h> 14 #include <plat_ipi.h> 15 #include <plat_private.h> 16 #include <pm_api_sys.h> 17 #include <versal_def.h> 18 19 uint32_t platform_id, platform_version; 20 uint32_t cpu_clock; 21 22 /* 23 * Table of regions to map using the MMU. 24 * This doesn't include TZRAM as the 'mem_layout' argument passed to 25 * configure_mmu_elx() will give the available subset of that, 26 */ 27 const mmap_region_t plat_versal_mmap[] = { 28 MAP_REGION_FLAT(DEVICE0_BASE, DEVICE0_SIZE, MT_DEVICE | MT_RW | MT_SECURE), 29 MAP_REGION_FLAT(DEVICE1_BASE, DEVICE1_SIZE, MT_DEVICE | MT_RW | MT_SECURE), 30 MAP_REGION_FLAT(CRF_BASE, CRF_SIZE, MT_DEVICE | MT_RW | MT_SECURE), 31 MAP_REGION_FLAT(PLAT_ARM_CCI_BASE, PLAT_ARM_CCI_SIZE, MT_DEVICE | MT_RW | 32 MT_SECURE), 33 { 0 } 34 }; 35 36 const mmap_region_t *plat_get_mmap(void) 37 { 38 return plat_versal_mmap; 39 } 40 41 void versal_config_setup(void) 42 { 43 /* Configure IPI data for versal */ 44 versal_ipi_config_table_init(); 45 } 46 47 void board_detection(void) 48 { 49 uint32_t plat_info[2]; 50 51 if (pm_get_chipid(plat_info) != PM_RET_SUCCESS) { 52 /* If the call is failed we cannot proceed with further 53 * setup. TF-A to panic in this situation. 54 */ 55 NOTICE("Failed to read the chip information"); 56 panic(); 57 } 58 59 platform_id = FIELD_GET(PLATFORM_MASK, plat_info[1]); 60 platform_version = FIELD_GET(PLATFORM_VERSION_MASK, plat_info[1]); 61 } 62 63 const char *board_name_decode(void) 64 { 65 const char *platform; 66 67 switch (platform_id) { 68 case VERSAL_SPP: 69 platform = "IPP"; 70 break; 71 case VERSAL_EMU: 72 platform = "EMU"; 73 break; 74 case VERSAL_QEMU: 75 platform = "QEMU"; 76 break; 77 case VERSAL_SILICON: 78 platform = "SILICON"; 79 break; 80 default: 81 platform = "unknown"; 82 } 83 84 return platform; 85 } 86 87 uint32_t get_uart_clk(void) 88 { 89 uint32_t uart_clock; 90 91 switch (platform_id) { 92 case VERSAL_SPP: 93 uart_clock = 25000000; 94 break; 95 case VERSAL_EMU: 96 uart_clock = 212000; 97 break; 98 case VERSAL_QEMU: 99 uart_clock = 25000000; 100 break; 101 case VERSAL_SILICON: 102 uart_clock = 100000000; 103 break; 104 default: 105 panic(); 106 } 107 108 return uart_clock; 109 } 110