61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
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* (C) Copyright 2010 Quantenna Communications Inc.
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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 "ruby.h"
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static inline void board_reset_watchdog(unsigned long delay)
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{
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writel(RUBY_WDT_ENABLE, RUBY_WDT_CTL);
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writel(delay, RUBY_WDT_TIMEOUT_RANGE);
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writel(RUBY_WDT_MAGIC_NUMBER, RUBY_WDT_COUNTER_RESTART);
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}
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static inline void board_reset_sysctrl(unsigned long mask)
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{
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writel(mask, RUBY_SYS_CTL_CPU_VEC_MASK);
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writel(0x0, RUBY_SYS_CTL_CPU_VEC);
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writel(0x0, RUBY_SYS_CTL_CPU_VEC_MASK);
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}
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void board_reset(const char *reason)
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{
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/* Postponed reset using watchdog - make sure that serial output will take place and be finished. */
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board_reset_watchdog(RUBY_WDT_RESET_TIMEOUT);
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/* Serial output. */
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puts(reason);
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while(!serial_tx_done());
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/* Force reset. */
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board_reset_sysctrl(RUBY_SYS_CTL_RESET_ALL);
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/* Board must be resetted before this point! */
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while(1);
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}
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int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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board_reset("reset command\n");
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return 0;
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}
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