diff options
author | Steve French <sfrench@us.ibm.com> | 2006-03-31 03:35:56 +0000 |
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committer | Steve French <sfrench@us.ibm.com> | 2006-03-31 03:35:56 +0000 |
commit | d62e54abca1146981fc9f98f85ff398a113a22c2 (patch) | |
tree | 870420dbc4c65e716dcef8a802aafdc0ef97a8b4 /arch/mips/cobalt/console.c | |
parent | fd4a0b92db6a57cba8d03efbe1cebf91f9124ce0 (diff) | |
parent | ce362c009250340358a7221f3cdb7954cbf19c01 (diff) |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'arch/mips/cobalt/console.c')
-rw-r--r-- | arch/mips/cobalt/console.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/mips/cobalt/console.c b/arch/mips/cobalt/console.c new file mode 100644 index 00000000000..45c2d27c756 --- /dev/null +++ b/arch/mips/cobalt/console.c @@ -0,0 +1,43 @@ +/* + * (C) P. Horton 2006 + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/console.h> +#include <linux/serial_reg.h> +#include <asm/addrspace.h> +#include <asm/mach-cobalt/cobalt.h> + +static void putchar(int c) +{ + if(c == '\n') + putchar('\r'); + + while(!(COBALT_UART[UART_LSR] & UART_LSR_THRE)) + ; + + COBALT_UART[UART_TX] = c; +} + +static void cons_write(struct console *c, const char *s, unsigned n) +{ + while(n-- && *s) + putchar(*s++); +} + +static struct console cons_info = +{ + .name = "uart", + .write = cons_write, + .flags = CON_PRINTBUFFER | CON_BOOT, + .index = -1, +}; + +void __init cobalt_early_console(void) +{ + register_console(&cons_info); + + printk("Cobalt: early console registered\n"); +} |