arm-trusted-firmware/plat/arm/board/arm_fpga/fpga_console.c

39 lines
923 B
C

/*
* Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stddef.h>
#include <stdint.h>
#include <common/fdt_wrappers.h>
#include <drivers/arm/pl011.h>
#include <drivers/console.h>
#include <platform_def.h>
static console_t console;
void fpga_console_init(void)
{
const void *fdt = (void *)(uintptr_t)FPGA_PRELOADED_DTB_BASE;
uintptr_t base_addr = PLAT_FPGA_CRASH_UART_BASE;
int node;
/*
* Try to read the UART base address from the DT, by chasing the
* stdout-path property of the chosen node.
* If this does not work, use the crash console address as a fallback.
*/
node = fdt_get_stdout_node_offset(fdt);
if (node >= 0) {
fdt_get_reg_props_by_index(fdt, node, 0, &base_addr, NULL);
}
(void)console_pl011_register(base_addr, 0, 0, &console);
console_set_scope(&console, CONSOLE_FLAG_BOOT |
CONSOLE_FLAG_RUNTIME);
}