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https://github.com/AsahiLinux/u-boot
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8073399444
* convert at91rm9200ek and eb_cpux9k2 board to ATMEL_xxx name scheme * Fix: timer.c compile error io.h not found with arm/at91rm9200 * update arm920t/at91 to ATMEL_xxx name scheme * update arm920t/at91 soc lib * update at91_emac driver Signed-off-by: Jens Scharsig <js_at_ng@scharsoft.de> Tested-by: Andreas Bießmann <andreas.devel@gmail.com>
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
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* (C) Copyright 2002
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* Lineo, Inc. <www.lineo.com>
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* Bernhard Kuhn <bkuhn@lineo.com>
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*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Marius Groeger <mgroeger@sysgo.de>
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*
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* (C) Copyright 2002
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Alex Zuepke <azu@sysgo.de>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/at91_st.h>
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void __attribute__((weak)) board_reset(void)
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{
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/* true empty function for defining weak symbol */
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}
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void reset_cpu(ulong ignored)
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{
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at91_st_t *st = (at91_st_t *) ATMEL_BASE_ST;
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#if defined(CONFIG_AT91RM9200_USART)
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/*shutdown the console to avoid strange chars during reset */
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serial_exit();
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#endif
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board_reset();
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/* Reset the cpu by setting up the watchdog timer */
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writel(AT91_ST_WDMR_RSTEN | AT91_ST_WDMR_EXTEN | AT91_ST_WDMR_WDV(2),
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&st->wdmr);
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writel(AT91_ST_CR_WDRST, &st->cr);
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/* and let it timeout */
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while (1)
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;
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/* Never reached */
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}
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