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Diffstat (limited to 'board/alaska/extserial.c')
| -rw-r--r-- | board/alaska/extserial.c | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/board/alaska/extserial.c b/board/alaska/extserial.c deleted file mode 100644 index f17e06e..0000000 --- a/board/alaska/extserial.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * (C) Copyright 2004, Freescale, Inc - * TsiChung Liew, Tsi-Chung.Liew@freescale.com. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 - * - */ - -/* - * Minimal serial functions needed to use one of the PSC ports - * as serial console interface. - */ - -#include <common.h> -#include <mpc8220.h> - -#if defined (CONFIG_EXTUART_CONSOLE) -# include <ns16550.h> - -# define PADSERIAL_BAUD_115200 0x40 -# define PADSERIAL_BAUD_57600 0x20 -# define PADSERIAL_BAUD_9600 0 -# define PADCARD_FREQ 18432000 - -const NS16550_t com_port = (NS16550_t) CFG_NS16550_COM1; - -int ext_serial_init (void) -{ - DECLARE_GLOBAL_DATA_PTR; - volatile u8 *dipswitch = (volatile u8 *) (CFG_CPLD_BASE + 0x1002); - int baud_divisor; - - /* Find out the baud rate speed on debug card dip switches */ - if (*dipswitch & PADSERIAL_BAUD_115200) - gd->baudrate = 115200; - else if (*dipswitch & PADSERIAL_BAUD_57600) - gd->baudrate = 57600; - else - gd->baudrate = 9600; - - /* Debug card frequency */ - baud_divisor = PADCARD_FREQ / (16 * gd->baudrate); - - NS16550_init (com_port, baud_divisor); - - return (0); -} - -void ext_serial_putc (const char c) -{ - if (c == '\n') - NS16550_putc (com_port, '\r'); - - NS16550_putc (com_port, c); -} - -void ext_serial_puts (const char *s) -{ - while (*s) { - serial_putc (*s++); - } -} - -int ext_serial_getc (void) -{ - return NS16550_getc (com_port); -} - -int ext_serial_tstc (void) -{ - return NS16550_tstc (com_port); -} - -void ext_serial_setbrg (void) -{ - DECLARE_GLOBAL_DATA_PTR; - - volatile u8 *dipswitch = (volatile u8 *) (CFG_CPLD_BASE + 0x1002); - int baud_divisor; - - /* Find out the baud rate speed on debug card dip switches */ - if (*dipswitch & PADSERIAL_BAUD_115200) - gd->baudrate = 115200; - else if (*dipswitch & PADSERIAL_BAUD_57600) - gd->baudrate = 57600; - else - gd->baudrate = 9600; - - /* Debug card frequency */ - baud_divisor = PADCARD_FREQ / (16 * gd->baudrate); - - NS16550_reinit (com_port, baud_divisor); -} -#endif /* CONFIG_EXTUART_CONSOLE */ |