1 /* 2 * Copyright (c) 2020-2023, 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 /* 26 * fconf APIs are not supported for RESET_TO_SP_MIN, RESET_TO_BL31 and 27 * RESET_TO_BL2 systems. 28 */ 29 #if RESET_TO_SP_MIN || RESET_TO_BL31 || RESET_TO_BL2 30 uart_base = PLAT_ARM_RUN_UART_BASE; 31 uart_clk = PLAT_ARM_RUN_UART_CLK_IN_HZ; 32 #else 33 uart_base = FCONF_GET_PROPERTY(hw_config, uart_serial_config, 34 uart_base); 35 uart_clk = FCONF_GET_PROPERTY(hw_config, uart_serial_config, 36 uart_clk); 37 #endif 38 39 int rc = console_pl011_register(uart_base, uart_clk, 40 ARM_CONSOLE_BAUDRATE, 41 &fvp_runtime_console); 42 43 if (rc == 0) { 44 panic(); 45 } 46 47 console_set_scope(&fvp_runtime_console, CONSOLE_FLAG_RUNTIME); 48 } 49 50 void arm_console_runtime_end(void) 51 { 52 console_flush(); 53 (void)console_unregister(&fvp_runtime_console); 54 } 55