ac490b8a6b
Most things still needs to be filled in, but this will allow us to build boards which use this SOC. BUG=chrome-os-partner:29778 TEST=emerge-veyron coreboot Original-Change-Id: If643d620c5fb8951faaf1ccde400a8e9ed7db3bc Original-Signed-off-by: jinkun.hong <jinkun.hong@rock-chips.com> Original-Reviewed-on: https://chromium-review.googlesource.com/205069 Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-by: David Hendricks <dhendrix@chromium.org> Original-Commit-Queue: David Hendricks <dhendrix@chromium.org> Original-Tested-by: David Hendricks <dhendrix@chromium.org> (cherry picked from commit 2f72473a8c2b3fe21d77b351338e6209035878fb) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I53fd0ced42f6ef191d7bf80d8b823bb880344239 Reviewed-on: http://review.coreboot.org/8653 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2014 Rockchip 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 <arch/io.h>
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#include "timer.h"
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void init_timer(void)
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{
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}
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void rk3288_init_timer(void)
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{
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write32(TIMER_LOAD_VAL, &timer7_ptr->timer_load_count0);
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write32(TIMER_LOAD_VAL, &timer7_ptr->timer_load_count1);
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write32(1, &timer7_ptr->timer_ctrl_reg);
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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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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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