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); | ||
