/* * (C) Copyright 2002 * Peter De Schrijver (p2@mind.be), Mind Linux Solutions, NV. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * */ #include <asm/u-boot.h> #include <asm/processor.h> #include <common.h> #include <command.h> #include <config.h> #include <ns16550.h> DECLARE_GLOBAL_DATA_PTR; const NS16550_t COM_PORTS[] = { (NS16550_t) CFG_NS16550_COM1, (NS16550_t) CFG_NS16550_COM2 }; #undef CFG_DUART_CHAN #define CFG_DUART_CHAN gComPort static int gComPort = 0; int serial_init (void) { int clock_divisor = CFG_NS16550_CLK / 16 / gd->baudrate; (void) NS16550_init (COM_PORTS[0], clock_divisor); gComPort = 0; return 0; } void serial_putc (const char c) { if (c == '\n') { NS16550_putc (COM_PORTS[CFG_DUART_CHAN], '\r'); } NS16550_putc (COM_PORTS[CFG_DUART_CHAN], c); } int serial_getc (void) { return NS16550_getc (COM_PORTS[CFG_DUART_CHAN]); } int serial_tstc (void) { return NS16550_tstc (COM_PORTS[CFG_DUART_CHAN]); } void serial_setbrg (void) { int clock_divisor = CFG_NS16550_CLK / 16 / gd->baudrate; #ifdef CFG_INIT_CHAN1 NS16550_reinit (COM_PORTS[0], clock_divisor); #endif #ifdef CFG_INIT_CHAN2 NS16550_reinit (COM_PORTS[1], clock_divisor); #endif } void serial_puts (const char *s) { while (*s) { serial_putc (*s++); } } #if (CONFIG_COMMANDS & CFG_CMD_KGDB) || defined(CONFIG_CMD_KGDB) void kgdb_serial_init (void) { } void putDebugChar (int c) { serial_putc (c); } void putDebugStr (const char *str) { serial_puts (str); } int getDebugChar (void) { return serial_getc (); } void kgdb_interruptible (int yes) { return; } #endif /* CFG_CMD_KGDB */