2 * Copyright (C) 1999,2000 Arm Limited
3 * Copyright (C) 2000 Deep Blue Solutions Ltd
4 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
5 * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
6 * - add MX31 specific definitions
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <linux/init.h>
25 #include <linux/err.h>
27 #include <asm/pgtable.h>
28 #include <asm/mach/map.h>
29 #include <asm/hardware/cache-l2x0.h>
31 #include <mach/common.h>
32 #include <mach/hardware.h>
37 * @brief This file creates static virtual to physical mappings, common to all MX3 boards.
43 * This table defines static virtual address mappings for I/O regions.
44 * These are the mappings common across all MX3 boards.
46 static struct map_desc mxc_io_desc[] __initdata = {
48 .virtual = X_MEMC_BASE_ADDR_VIRT,
49 .pfn = __phys_to_pfn(X_MEMC_BASE_ADDR),
50 .length = X_MEMC_SIZE,
53 .virtual = AVIC_BASE_ADDR_VIRT,
54 .pfn = __phys_to_pfn(AVIC_BASE_ADDR),
56 .type = MT_DEVICE_NONSHARED
58 .virtual = AIPS1_BASE_ADDR_VIRT,
59 .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
61 .type = MT_DEVICE_NONSHARED
63 .virtual = AIPS2_BASE_ADDR_VIRT,
64 .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
66 .type = MT_DEVICE_NONSHARED
71 * This function initializes the memory map. It is called during the
72 * system startup to create static physical to virtual memory mappings
75 void __init mxc_map_io(void)
77 iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
80 #ifdef CONFIG_CACHE_L2X0
81 static int mxc_init_l2x0(void)
83 void __iomem *l2x0_base;
85 l2x0_base = ioremap(L2CC_BASE_ADDR, 4096);
86 if (IS_ERR(l2x0_base)) {
87 printk(KERN_ERR "remapping L2 cache area failed with %ld\n",
92 l2x0_init(l2x0_base, 0x00030024, 0x00000000);
97 arch_initcall(mxc_init_l2x0);