diff options
Diffstat (limited to 'arch/mips/dec')
| -rw-r--r-- | arch/mips/dec/prom/console.c | 32 | ||||
| -rw-r--r-- | arch/mips/dec/prom/init.c | 3 |
2 files changed, 29 insertions, 6 deletions
diff --git a/arch/mips/dec/prom/console.c b/arch/mips/dec/prom/console.c index 65419bf3244..078e1a12421 100644 --- a/arch/mips/dec/prom/console.c +++ b/arch/mips/dec/prom/console.c @@ -3,7 +3,7 @@ * * DECstation PROM-based early console support. * - * Copyright (C) 2004 Maciej W. Rozycki + * Copyright (C) 2004, 2007 Maciej W. Rozycki * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -13,15 +13,35 @@ #include <linux/console.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/string.h> #include <asm/dec/prom.h> -void prom_putchar(char c) +static void __init prom_console_write(struct console *con, const char *s, + unsigned int c) { - char s[2]; + char buf[81]; + unsigned int chunk = sizeof(buf) - 1; - s[0] = c; - s[1] = '\0'; + while (c > 0) { + if (chunk > c) + chunk = c; + memcpy(buf, s, chunk); + buf[chunk] = '\0'; + prom_printf("%s", buf); + s += chunk; + c -= chunk; + } +} + +static struct console promcons __initdata = { + .name = "prom", + .write = prom_console_write, + .flags = CON_BOOT | CON_PRINTBUFFER, + .index = -1, +}; - prom_printf( s); +void __init register_prom_console(void) +{ + register_console(&promcons); } diff --git a/arch/mips/dec/prom/init.c b/arch/mips/dec/prom/init.c index 4828cac4748..808c182fd3f 100644 --- a/arch/mips/dec/prom/init.c +++ b/arch/mips/dec/prom/init.c @@ -103,6 +103,9 @@ void __init prom_init(void) if (prom_is_rex(magic)) rex_clear_cache(); + /* Register the early console. */ + register_prom_console(); + /* Were we compiled with the right CPU option? */ #if defined(CONFIG_CPU_R3000) if ((current_cpu_data.cputype == CPU_R4000SC) || |