upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/ml2/serial.c

116 lines
2.4 KiB

22 years ago
/*
* (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 <common.h>
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#include <asm/u-boot.h>
#include <asm/processor.h>
#include <command.h>
#include <configs/ML2.h>
#if (defined CONFIG_SYS_INIT_CHAN1) || (defined CONFIG_SYS_INIT_CHAN2)
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#include <ns16550.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
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#if (defined CONFIG_SYS_INIT_CHAN1) || (defined CONFIG_SYS_INIT_CHAN2)
const NS16550_t COM_PORTS[] = { (NS16550_t) CONFIG_SYS_NS16550_COM1,
(NS16550_t) CONFIG_SYS_NS16550_COM2
};
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#endif
int serial_init (void)
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{
int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate;
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#ifdef CONFIG_SYS_INIT_CHAN1
(void) NS16550_init (COM_PORTS[0], clock_divisor);
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#endif
#ifdef CONFIG_SYS_INIT_CHAN2
(void) NS16550_init (COM_PORTS[1], clock_divisor);
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#endif
return 0;
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}
void serial_putc (const char c)
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{
if (c == '\n')
NS16550_putc (COM_PORTS[CONFIG_SYS_DUART_CHAN], '\r');
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NS16550_putc (COM_PORTS[CONFIG_SYS_DUART_CHAN], c);
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}
int serial_getc (void)
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{
return NS16550_getc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
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}
int serial_tstc (void)
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{
return NS16550_tstc (COM_PORTS[CONFIG_SYS_DUART_CHAN]);
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}
void serial_setbrg (void)
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{
int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate;
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#ifdef CONFIG_SYS_INIT_CHAN1
NS16550_reinit (COM_PORTS[0], clock_divisor);
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#endif
#ifdef CONFIG_SYS_INIT_CHAN2
NS16550_reinit (COM_PORTS[1], clock_divisor);
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#endif
}
void serial_puts (const char *s)
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{
while (*s) {
serial_putc (*s++);
}
}
#if defined(CONFIG_CMD_KGDB)
void kgdb_serial_init (void)
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{
}
void putDebugChar (int c)
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{
serial_putc (c);
}
void putDebugStr (const char *str)
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{
serial_puts (str);
}
int getDebugChar (void)
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{
return serial_getc ();
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}
void kgdb_interruptible (int yes)
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{
return;
}
#endif