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.
97 lines
2.7 KiB
97 lines
2.7 KiB
/*
|
|
* Copyright (C) 2004-2006 Atmel Corporation
|
|
*
|
|
* 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 <common.h>
|
|
|
|
#include <asm/cacheflush.h>
|
|
|
|
void dcache_clean_range(volatile void *start, size_t size)
|
|
{
|
|
unsigned long v, begin, end, linesz;
|
|
|
|
linesz = CFG_DCACHE_LINESZ;
|
|
|
|
/* You asked for it, you got it */
|
|
begin = (unsigned long)start & ~(linesz - 1);
|
|
end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
|
|
|
|
for (v = begin; v < end; v += linesz)
|
|
dcache_clean_line((void *)v);
|
|
|
|
sync_write_buffer();
|
|
}
|
|
|
|
void dcache_invalidate_range(volatile void *start, size_t size)
|
|
{
|
|
unsigned long v, begin, end, linesz;
|
|
|
|
linesz = CFG_DCACHE_LINESZ;
|
|
|
|
/* You asked for it, you got it */
|
|
begin = (unsigned long)start & ~(linesz - 1);
|
|
end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
|
|
|
|
for (v = begin; v < end; v += linesz)
|
|
dcache_invalidate_line((void *)v);
|
|
}
|
|
|
|
void dcache_flush_range(volatile void *start, size_t size)
|
|
{
|
|
unsigned long v, begin, end, linesz;
|
|
|
|
linesz = CFG_DCACHE_LINESZ;
|
|
|
|
/* You asked for it, you got it */
|
|
begin = (unsigned long)start & ~(linesz - 1);
|
|
end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
|
|
|
|
for (v = begin; v < end; v += linesz)
|
|
dcache_flush_line((void *)v);
|
|
|
|
sync_write_buffer();
|
|
}
|
|
|
|
void icache_invalidate_range(volatile void *start, size_t size)
|
|
{
|
|
unsigned long v, begin, end, linesz;
|
|
|
|
linesz = CFG_ICACHE_LINESZ;
|
|
|
|
/* You asked for it, you got it */
|
|
begin = (unsigned long)start & ~(linesz - 1);
|
|
end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
|
|
|
|
for (v = begin; v < end; v += linesz)
|
|
icache_invalidate_line((void *)v);
|
|
}
|
|
|
|
/*
|
|
* This is called after loading something into memory. We need to
|
|
* make sure that everything that was loaded is actually written to
|
|
* RAM, and that the icache will look for it. Cleaning the dcache and
|
|
* invalidating the icache will do the trick.
|
|
*/
|
|
void flush_cache (unsigned long start_addr, unsigned long size)
|
|
{
|
|
dcache_clean_range((void *)start_addr, size);
|
|
icache_invalidate_range((void *)start_addr, size);
|
|
}
|
|
|