/*************************************************************************** * __________ __ ___. * 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); }