2 * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
4 * SPDX-License-Identifier: GPL-2.0+
7 #include <linux/serial_reg.h>
9 #if !defined(CONFIG_DEBUG_SEMIHOSTING)
10 #include CONFIG_DEBUG_LL_INCLUDE
13 #define BAUDRATE 115200
14 #define DIV_ROUND(x, d) (((x) + ((d) / 2)) / (d))
15 #define DIVISOR DIV_ROUND(UART_CLK, 16 * BAUDRATE)
17 .macro init_debug_uart, ra, rb, rc
18 addruart \ra, \rb, \rc
19 mov \rb, #UART_LCR_WLEN8 << 8