| Amit Kucheria | a329b48 | 2010-02-04 12:21:53 -0800 | [diff] [blame] | 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); |