/* * Wrap-around code for a console using the * ARC io-routines. * * Copyright (c) 1998 Harald Koerfgen * Copyright (c) 2001 Ralf Baechle */ #include #include #include #include #include #include #include extern void prom_printf (char *, ...); void prom_putchar(char c) { ULONG cnt; CHAR it = c; ArcWrite(1, &it, 1, &cnt); } static void prom_console_write(struct console *co, const char *s, unsigned count) { unsigned i; /* * Now, do each character */ for (i = 0; i < count; i++) { if (*s == 10) prom_printf("%c", 13); prom_printf("%c", *s++); } } static int prom_console_wait_key(struct console *co) { return 0; } static int __init prom_console_setup(struct console *co, char *options) { return 0; } static kdev_t prom_console_device(struct console *c) { return MKDEV(TTY_MAJOR, 64 + c->index); } static struct console arc_cons = { "ttyS", prom_console_write, NULL, prom_console_device, prom_console_wait_key, NULL, prom_console_setup, CON_PRINTBUFFER, -1, 0, NULL }; /* * Register console. */ void __init arc_console_init(void) { register_console(&arc_cons); }