1536d906aSOliver Swede /* 2536d906aSOliver Swede * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved. 3536d906aSOliver Swede * 4536d906aSOliver Swede * SPDX-License-Identifier: BSD-3-Clause 5536d906aSOliver Swede */ 6536d906aSOliver Swede 7*dee3042cSAndre Przywara #include <stddef.h> 8*dee3042cSAndre Przywara #include <stdint.h> 9*dee3042cSAndre Przywara 10*dee3042cSAndre Przywara #include <common/fdt_wrappers.h> 11536d906aSOliver Swede #include <drivers/arm/pl011.h> 12*dee3042cSAndre Przywara #include <drivers/console.h> 13536d906aSOliver Swede 14536d906aSOliver Swede #include <platform_def.h> 15536d906aSOliver Swede 16536d906aSOliver Swede static console_t console; 17536d906aSOliver Swede 18536d906aSOliver Swede void fpga_console_init(void) 19536d906aSOliver Swede { 20*dee3042cSAndre Przywara const void *fdt = (void *)(uintptr_t)FPGA_PRELOADED_DTB_BASE; 21*dee3042cSAndre Przywara uintptr_t base_addr = PLAT_FPGA_CRASH_UART_BASE; 22*dee3042cSAndre Przywara int node; 23*dee3042cSAndre Przywara 24*dee3042cSAndre Przywara /* 25*dee3042cSAndre Przywara * Try to read the UART base address from the DT, by chasing the 26*dee3042cSAndre Przywara * stdout-path property of the chosen node. 27*dee3042cSAndre Przywara * If this does not work, use the crash console address as a fallback. 28*dee3042cSAndre Przywara */ 29*dee3042cSAndre Przywara node = fdt_get_stdout_node_offset(fdt); 30*dee3042cSAndre Przywara if (node >= 0) { 31*dee3042cSAndre Przywara fdt_get_reg_props_by_index(fdt, node, 0, &base_addr, NULL); 32*dee3042cSAndre Przywara } 33*dee3042cSAndre Przywara 34*dee3042cSAndre Przywara (void)console_pl011_register(base_addr, 0, 0, &console); 35536d906aSOliver Swede 36536d906aSOliver Swede console_set_scope(&console, CONSOLE_FLAG_BOOT | 37536d906aSOliver Swede CONSOLE_FLAG_RUNTIME); 38536d906aSOliver Swede } 39