diff options
Diffstat (limited to 'arch/arm/mach-mx5/cpu.c')
-rw-r--r-- | arch/arm/mach-mx5/cpu.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c new file mode 100644 index 000000000000..41c769f08c4d --- /dev/null +++ b/arch/arm/mach-mx5/cpu.c | |||
@@ -0,0 +1,47 @@ | |||
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); | ||