156 lines
3.1 KiB
C
156 lines
3.1 KiB
C
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/*******************************************************************************
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Copyright (C) Marvell International Ltd. and its affiliates
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********************************************************************************
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Marvell GPL License Option
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If you received this File from Marvell, you may opt to use, redistribute and/or
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modify this File in accordance with the terms and conditions of the General
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Public License Version 2, June 1991 (the "GPL License"), a copy of which is
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available along with the File in the license.txt file or by writing to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
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on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
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THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
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WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
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DISCLAIMED. The GPL License provides additional details about this warranty
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disclaimer.
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*******************************************************************************/
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/*
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* serial.c - serial support.
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*/
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#include <common.h>
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#include <command.h>
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#include "uart/mvUart.h"
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#if defined(MV78XX0)
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extern unsigned int whoAmI(void);
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#else
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#define whoAmI() 0
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#endif
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extern void print_mvBanner(void);
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extern void print_dev_id(void);
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int serial_init (void)
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{
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DECLARE_GLOBAL_DATA_PTR;
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int clock_divisor = (CFG_TCLK / 16)/gd->baudrate;
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if (whoAmI() == MASTER_CPU)
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{
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#ifdef CFG_INIT_CHAN1
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mvUartInit(0, clock_divisor, mvUartBase(0));
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#endif
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}
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#if defined(MV78XX0)
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if ((whoAmI() == MASTER_CPU) || (whoAmI() == SLAVE_CPU))
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#endif
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{
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#ifdef CFG_INIT_CHAN2
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mvUartInit(1, clock_divisor, mvUartBase(1));
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#endif
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}
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/* print banner */
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print_mvBanner();
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print_dev_id();
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return (0);
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}
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void
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serial_putc(const char c)
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{
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#if defined(CONFIG_MV_SMP) || (defined(MV78XX0) && defined(MV78200))
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if (c == '\n')
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mvUartPutc((whoAmI())%2, '\r');
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mvUartPutc((whoAmI())%2, c);
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#else
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if (c == '\n')
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mvUartPutc(CFG_DUART_CHAN, '\r');
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mvUartPutc(CFG_DUART_CHAN, c);
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#endif
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}
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int
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serial_getc(void)
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{
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#if defined(CONFIG_MV_SMP) || (defined(MV78XX0) && defined(MV78200))
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return mvUartGetc((whoAmI())%2);
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#else
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return mvUartGetc(CFG_DUART_CHAN);
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#endif
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}
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int
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serial_tstc(void)
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{
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#if defined(CONFIG_MV_SMP) || (defined(MV78XX0) && defined(MV78200))
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return mvUartTstc((whoAmI())%2);
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#else
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return mvUartTstc(CFG_DUART_CHAN);
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#endif
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}
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void
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serial_setbrg (void)
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{
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DECLARE_GLOBAL_DATA_PTR;
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int clock_divisor = (CFG_TCLK / 16)/gd->baudrate;
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#ifdef CFG_INIT_CHAN1
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mvUartInit(0, clock_divisor, mvUartBase(0));
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#endif
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#ifdef CFG_INIT_CHAN2
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mvUartInit(1, clock_divisor, mvUartBase(1));
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#endif
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}
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void
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serial_puts (const char *s)
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{
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while (*s) {
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serial_putc (*s++);
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}
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}
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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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void
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kgdb_serial_init(void)
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{
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}
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void
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putDebugChar (int c)
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{
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serial_putc (c);
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}
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void
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putDebugStr (const char *str)
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{
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serial_puts (str);
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}
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int
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getDebugChar (void)
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{
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return serial_getc();
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}
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void
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kgdb_interruptible (int yes)
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{
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return;
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}
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#endif /* CFG_CMD_KGDB */
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