1/* 2 * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7#include <arch.h> 8#include <asm_macros.S> 9#include <console_macros.S> 10#include <assert_macros.S> 11#include "imx_uart.h" 12 13 .globl console_imx_uart_register 14 .globl console_imx_uart_putc 15 .globl console_imx_uart_getc 16 .globl console_imx_uart_flush 17 18func console_imx_uart_register 19 push {r4, lr} 20 mov r4, r3 21 cmp r4, #0 22 beq register_fail 23 str r0, [r4, #CONSOLE_T_DRVDATA] 24 25 bl console_imx_uart_core_init 26 cmp r0, #0 27 bne register_fail 28 29 mov r0, r4 30 pop {r4, lr} 31 finish_console_register imx_uart putc=1, getc=1, flush=1 32 33register_fail: 34 pop {r4, pc} 35endfunc console_imx_uart_register 36 37func console_imx_uart_putc 38 ldr r1, [r1, #CONSOLE_T_DRVDATA] 39 b console_imx_uart_core_putc 40endfunc console_imx_uart_putc 41 42func console_imx_uart_getc 43 ldr r0, [r0, #CONSOLE_T_DRVDATA] 44 b console_imx_uart_core_getc 45endfunc console_imx_uart_getc 46 47func console_imx_uart_flush 48 ldr r0, [r0, #CONSOLE_T_DRVDATA] 49 b console_imx_uart_core_flush 50endfunc console_imx_uart_flush 51