1 /* 2 * Copyright (c) 2020-2025, Arm Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <assert.h> 8 9 #include <platform_def.h> 10 11 #include <common/debug.h> 12 #include <drivers/arm/pl011.h> 13 #include <drivers/console.h> 14 #include <fconf_hw_config_getter.h> 15 #include <plat/arm/common/plat_arm.h> 16 17 static console_t fvp_runtime_console; 18 19 /* Initialize the runtime console */ 20 void arm_console_runtime_init(void) 21 { 22 uintptr_t uart_base; 23 uint32_t uart_clk; 24 25 /* If the console was initialized already, don't initialize again */ 26 if (fvp_runtime_console.base != 0UL) { 27 return; 28 } 29 30 /* 31 * fconf APIs are not supported for RESET_TO_SP_MIN, RESET_TO_BL31 and 32 * RESET_TO_BL2 systems. 33 */ 34 #if RESET_TO_SP_MIN || RESET_TO_BL31 || RESET_TO_BL2 35 uart_base = PLAT_ARM_RUN_UART_BASE; 36 uart_clk = PLAT_ARM_RUN_UART_CLK_IN_HZ; 37 #else 38 uart_base = FCONF_GET_PROPERTY(hw_config, uart_serial_config, 39 uart_base); 40 uart_clk = FCONF_GET_PROPERTY(hw_config, uart_serial_config, 41 uart_clk); 42 #endif 43 44 int rc = console_pl011_register(uart_base, uart_clk, 45 ARM_CONSOLE_BAUDRATE, 46 &fvp_runtime_console); 47 48 if (rc == 0) { 49 panic(); 50 } 51 52 console_set_scope(&fvp_runtime_console, CONSOLE_FLAG_RUNTIME); 53 } 54