diff options
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 000000000000..45c2d27c7564 --- /dev/null +++ b/arch/mips/cobalt/console.c | |||
| @@ -0,0 +1,43 @@ | |||
| 1 | /* | ||
| 2 | * (C) P. Horton 2006 | ||
| 3 | */ | ||
| 4 | |||
| 5 | #include <linux/config.h> | ||
| 6 | #include <linux/init.h> | ||
| 7 | #include <linux/kernel.h> | ||
| 8 | #include <linux/console.h> | ||
| 9 | #include <linux/serial_reg.h> | ||
| 10 | #include <asm/addrspace.h> | ||
| 11 | #include <asm/mach-cobalt/cobalt.h> | ||
| 12 | |||
| 13 | static void putchar(int c) | ||
| 14 | { | ||
| 15 | if(c == '\n') | ||
| 16 | putchar('\r'); | ||
| 17 | |||
| 18 | while(!(COBALT_UART[UART_LSR] & UART_LSR_THRE)) | ||
| 19 | ; | ||
| 20 | |||
| 21 | COBALT_UART[UART_TX] = c; | ||
| 22 | } | ||
| 23 | |||
| 24 | static void cons_write(struct console *c, const char *s, unsigned n) | ||
| 25 | { | ||
| 26 | while(n-- && *s) | ||
| 27 | putchar(*s++); | ||
| 28 | } | ||
| 29 | |||
| 30 | static struct console cons_info = | ||
| 31 | { | ||
| 32 | .name = "uart", | ||
| 33 | .write = cons_write, | ||
| 34 | .flags = CON_PRINTBUFFER | CON_BOOT, | ||
| 35 | .index = -1, | ||
| 36 | }; | ||
| 37 | |||
| 38 | void __init cobalt_early_console(void) | ||
| 39 | { | ||
| 40 | register_console(&cons_info); | ||
| 41 | |||
| 42 | printk("Cobalt: early console registered\n"); | ||
| 43 | } | ||
