From a329b48c43e5e2e6b51ce159d99aefeb90c7c066 Mon Sep 17 00:00:00 2001 From: Amit Kucheria Date: Thu, 4 Feb 2010 12:21:53 -0800 Subject: mxc: Core support for Freescale i.MX5 series Add basic clock support, cpu identification, I/O mapping, interrupt controller, serial port and ethernet. Signed-off-by: Amit Kucheria --- arch/arm/mach-mx5/cpu.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 arch/arm/mach-mx5/cpu.c (limited to 'arch/arm/mach-mx5/cpu.c') diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c new file mode 100644 index 0000000..41c769f --- /dev/null +++ b/arch/arm/mach-mx5/cpu.c @@ -0,0 +1,47 @@ +/* + * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + * + * This file contains the CPU initialization code. + */ + +#include +#include +#include +#include +#include + +static int __init post_cpu_init(void) +{ + unsigned int reg; + void __iomem *base; + + if (!cpu_is_mx51()) + return 0; + + base = MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR); + __raw_writel(0x0, base + 0x40); + __raw_writel(0x0, base + 0x44); + __raw_writel(0x0, base + 0x48); + __raw_writel(0x0, base + 0x4C); + reg = __raw_readl(base + 0x50) & 0x00FFFFFF; + __raw_writel(reg, base + 0x50); + + base = MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR); + __raw_writel(0x0, base + 0x40); + __raw_writel(0x0, base + 0x44); + __raw_writel(0x0, base + 0x48); + __raw_writel(0x0, base + 0x4C); + reg = __raw_readl(base + 0x50) & 0x00FFFFFF; + __raw_writel(reg, base + 0x50); + + return 0; +} + +postcore_initcall(post_cpu_init); -- cgit v1.1