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1 | /* |
2 | * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. | |
3 | * | |
4 | * The code contained herein is licensed under the GNU General Public | |
5 | * License. You may obtain a copy of the GNU General Public License | |
6 | * Version 2 or later at the following locations: | |
7 | * | |
8 | * http://www.opensource.org/licenses/gpl-license.html | |
9 | * http://www.gnu.org/copyleft/gpl.html | |
10 | * | |
11 | * This file contains the CPU initialization code. | |
12 | */ | |
13 | ||
14 | #include <linux/types.h> | |
15 | #include <linux/kernel.h> | |
16 | #include <linux/init.h> | |
17 | #include <mach/hardware.h> | |
18 | #include <asm/io.h> | |
19 | ||
20 | static int __init post_cpu_init(void) | |
21 | { | |
22 | unsigned int reg; | |
23 | void __iomem *base; | |
24 | ||
25 | if (!cpu_is_mx51()) | |
26 | return 0; | |
27 | ||
28 | base = MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR); | |
29 | __raw_writel(0x0, base + 0x40); | |
30 | __raw_writel(0x0, base + 0x44); | |
31 | __raw_writel(0x0, base + 0x48); | |
32 | __raw_writel(0x0, base + 0x4C); | |
33 | reg = __raw_readl(base + 0x50) & 0x00FFFFFF; | |
34 | __raw_writel(reg, base + 0x50); | |
35 | ||
36 | base = MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR); | |
37 | __raw_writel(0x0, base + 0x40); | |
38 | __raw_writel(0x0, base + 0x44); | |
39 | __raw_writel(0x0, base + 0x48); | |
40 | __raw_writel(0x0, base + 0x4C); | |
41 | reg = __raw_readl(base + 0x50) & 0x00FFFFFF; | |
42 | __raw_writel(reg, base + 0x50); | |
43 | ||
44 | return 0; | |
45 | } | |
46 | ||
47 | postcore_initcall(post_cpu_init); |