diff options
Diffstat (limited to 'drivers/tty/serial/altera_jtaguart.c')
| -rw-r--r-- | drivers/tty/serial/altera_jtaguart.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c index e409d7dac7ab..18e3f8342b85 100644 --- a/drivers/tty/serial/altera_jtaguart.c +++ b/drivers/tty/serial/altera_jtaguart.c @@ -383,6 +383,26 @@ console_initcall(altera_jtaguart_console_init); #define ALTERA_JTAGUART_CONSOLE (&altera_jtaguart_console) +static void altera_jtaguart_earlycon_write(struct console *co, const char *s, + unsigned int count) +{ + struct earlycon_device *dev = co->data; + + uart_console_write(&dev->port, s, count, altera_jtaguart_console_putc); +} + +static int __init altera_jtaguart_earlycon_setup(struct earlycon_device *dev, + const char *options) +{ + if (!dev->port.membase) + return -ENODEV; + + dev->con->write = altera_jtaguart_earlycon_write; + return 0; +} + +OF_EARLYCON_DECLARE(juart, "altr,juart-1.0", altera_jtaguart_earlycon_setup); + #else #define ALTERA_JTAGUART_CONSOLE NULL |