| /* Debugging stuff for the MN10300-based processors |
| * |
| * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public Licence |
| * as published by the Free Software Foundation; either version |
| * 2 of the Licence, or (at your option) any later version. |
| */ |
| #include <linux/sched.h> |
| #include <asm/serial-regs.h> |
| |
| #undef MN10300_CONSOLE_ON_SERIO |
| |
| /* |
| * write a string directly through one of the serial ports on-board the MN10300 |
| */ |
| #ifdef MN10300_CONSOLE_ON_SERIO |
| void debug_to_serial_mnser(const char *p, int n) |
| { |
| char ch; |
| |
| for (; n > 0; n--) { |
| ch = *p++; |
| |
| #if MN10300_CONSOLE_ON_SERIO == 0 |
| while (SC0STR & (SC01STR_TBF)) continue; |
| SC0TXB = ch; |
| while (SC0STR & (SC01STR_TBF)) continue; |
| if (ch == 0x0a) { |
| SC0TXB = 0x0d; |
| while (SC0STR & (SC01STR_TBF)) continue; |
| } |
| |
| #elif MN10300_CONSOLE_ON_SERIO == 1 |
| while (SC1STR & (SC01STR_TBF)) continue; |
| SC1TXB = ch; |
| while (SC1STR & (SC01STR_TBF)) continue; |
| if (ch == 0x0a) { |
| SC1TXB = 0x0d; |
| while (SC1STR & (SC01STR_TBF)) continue; |
| } |
| |
| #elif MN10300_CONSOLE_ON_SERIO == 2 |
| while (SC2STR & (SC2STR_TBF)) continue; |
| SC2TXB = ch; |
| while (SC2STR & (SC2STR_TBF)) continue; |
| if (ch == 0x0a) { |
| SC2TXB = 0x0d; |
| while (SC2STR & (SC2STR_TBF)) continue; |
| } |
| |
| #endif |
| } |
| } |
| #endif |
| |