| /* |
| * Copyright (c) 2018, Renesas Electronics Corporation. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <arch.h> |
| #include <asm_macros.S> |
| |
| .globl console_init |
| .globl console_putc |
| .globl console_uninit |
| .globl console_core_init |
| .globl console_core_putc |
| .globl console_core_getc |
| .globl console_flush |
| |
| .extern rcar_log_init |
| .extern rcar_set_log_data |
| |
| /* ----------------------------------------------- |
| * int console_core_init(unsigned long base_addr, |
| * unsigned int uart_clk, unsigned int baud_rate) |
| * Function to initialize the log area. This |
| * function will be accessed by console_init and |
| * crash reporting. |
| * Return 1 on SUCCESS, 0 on error |
| * In: x0 - Not used |
| * w1 - Not used |
| * w2 - Not used |
| * ----------------------------------------------- |
| */ |
| func console_core_init |
| b rcar_log_init |
| endfunc console_core_init |
| func console_init |
| b console_core_init |
| endfunc console_init |
| |
| /* -------------------------------------------------------- |
| * int console_core_putc(int c, unsigned long base_addr) |
| * Function to output a character over the log area. |
| * Return 1 on SUCCESS, 0 on error |
| * In : w0 - Not used |
| * x1 - Not used |
| * -------------------------------------------------------- |
| */ |
| func console_core_putc |
| b rcar_set_log_data |
| endfunc console_core_putc |
| func console_putc |
| b console_core_putc |
| endfunc console_putc |
| |
| /* --------------------------------------------- |
| * int console_core_getc(unsigned long base_addr) |
| * Function to get a character from the console. |
| * It returns the character grabbed on success |
| * or -1 on error. |
| * In : x0 - console base address |
| * Clobber list : x0, x1 |
| * --------------------------------------------- |
| */ |
| func console_core_getc |
| ret |
| endfunc console_core_getc |
| |
| /* ----------------------------------------------- |
| * void console_uninit(void) |
| * Function to finish the use of console driver. |
| * ----------------------------------------------- |
| */ |
| func console_uninit |
| ret |
| endfunc console_uninit |
| |
| /* --------------------------------------------- |
| * int console_flush(void) |
| * Function to force a write of all buffered |
| * data that hasn't been output. It returns 0 |
| * upon successful completion, otherwise it |
| * returns -1. |
| * Clobber list : x0, x1 |
| * --------------------------------------------- |
| */ |
| func console_flush |
| mov w0, #0 |
| ret |
| endfunc console_flush |