2 * Copyright (C) 2014 Panasonic Corporation
3 * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
5 * SPDX-License-Identifier: GPL-2.0+
8 #include <linux/serial_reg.h>
10 #if !defined(CONFIG_DEBUG_SEMIHOSTING)
11 #include CONFIG_DEBUG_LL_INCLUDE
14 #define BAUDRATE 115200
15 #define DIV_ROUND(x, d) (((x) + ((d) / 2)) / (d))
16 #define DIVISOR DIV_ROUND(UART_CLK, 16 * BAUDRATE)
18 .macro init_debug_uart, ra, rb, rc
19 addruart \ra, \rb, \rc
20 mov \rb, #UART_LCR_WLEN8
21 strb \rb, [\ra, #0x11]