396b072297
Most things still needs to be filled in, but this will allow us to build boards which use this SOC. Change-Id: Ic790685a78193ccb223f4d9355bd3db57812af39 Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: https://chromium-review.googlesource.com/170836 Reviewed-by: Gabe Black <gabeblack@chromium.org> Commit-Queue: Gabe Black <gabeblack@chromium.org> Tested-by: Gabe Black <gabeblack@chromium.org> (cherry picked from commit 462456fd00164c10c80eff72240226a04445fe60) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6431 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2013 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <console/console.h>
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#include <timer.h>
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#include <delay.h>
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#include <thread.h>
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void init_timer(void)
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{
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}
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/* delay x useconds */
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void udelay(unsigned usec)
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{
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struct mono_time current, end;
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if (!thread_yield_microseconds(usec))
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return;
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timer_monotonic_get(¤t);
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end = current;
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mono_time_add_usecs(&end, usec);
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if (mono_time_after(¤t, &end)) {
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printk(BIOS_EMERG, "udelay: 0x%08x is impossibly large\n",
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usec);
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/* There's not much we can do if usec is too big. Use a long,
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* paranoid delay value and hope for the best... */
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end = current;
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mono_time_add_usecs(&end, USECS_PER_SEC);
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}
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while (mono_time_before(¤t, &end))
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timer_monotonic_get(¤t);
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}
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