rockbox/firmware/target/arm/imx31/gigabeat-s/mmu-imx31.c
Will Robertson 383a32a7ae Gigabeat S now uses the shared ARM MMU code rather than the (mostly duplicated) private code. No functional change.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15961 a1c6a512-1295-4272-9138-f99709370657
2007-12-23 03:47:28 +00:00

36 lines
1.4 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 by Will Robertson
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "cpu.h"
#include "mmu-imx31.h"
#include "mmu-arm.h"
void memory_init(void) {
ttb_init();
set_page_tables();
enable_mmu();
}
void set_page_tables() {
map_section(0, 0, 0x1000, CACHE_NONE); /* map every memory region to itself */
/*This pa *might* change*/
map_section(0x80000000, 0, 64, CACHE_ALL); /* map RAM to 0 and enable caching for it */
map_section((int)FRAME1, (int)FRAME1, 1, BUFFERED); /* enable buffered writing for the framebuffer */
map_section((int)FRAME2, (int)FRAME2, 1, BUFFERED);
}