1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2012 ARM Ltd.
6 * Adapted for ARM and earlycon:
7 * Copyright (C) 2014 Linaro Ltd.
10 #include <linux/kernel.h>
11 #include <linux/console.h>
12 #include <linux/init.h>
13 #include <linux/serial_core.h>
14 #include <asm/semihost.h>
16 static void smh_write(struct console *con, const char *s, unsigned n)
18 struct earlycon_device *dev = con->data;
19 uart_console_write(&dev->port, s, n, smh_putc);
23 __init early_smh_setup(struct earlycon_device *device, const char *opt)
25 device->con->write = smh_write;
28 EARLYCON_DECLARE(smh, early_smh_setup);