upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
1.4 KiB
59 lines
1.4 KiB
/*
|
|
* (C) Copyright 2007
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* Author: Sergei Poselenov <sposelenov@emcraft.com>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#ifdef CONFIG_POST
|
|
#if defined(CONFIG_440EP) || \
|
|
defined(CONFIG_440EPX)
|
|
|
|
#include <asm/processor.h>
|
|
#include <ppc4xx.h>
|
|
|
|
|
|
int fpu_status(void)
|
|
{
|
|
if (mfspr(ccr0) & CCR0_DAPUIB)
|
|
return 0; /* Disabled */
|
|
else
|
|
return 1; /* Enabled */
|
|
}
|
|
|
|
|
|
void fpu_disable(void)
|
|
{
|
|
mtspr(ccr0, mfspr(ccr0) | CCR0_DAPUIB);
|
|
mtmsr(mfmsr() & ~MSR_FP);
|
|
}
|
|
|
|
|
|
void fpu_enable(void)
|
|
{
|
|
mtspr(ccr0, mfspr(ccr0) & ~CCR0_DAPUIB);
|
|
mtmsr(mfmsr() | MSR_FP);
|
|
}
|
|
|
|
#endif
|
|
#endif /* CONFIG_POST */
|
|
|