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 <amit.kucheria@canonical.com>
This commit is contained in:
Amit Kucheria
2010-02-04 12:21:53 -08:00
parent 438caa3f6c
commit a329b48c43
10 changed files with 2433 additions and 3 deletions

47
arch/arm/mach-mx5/cpu.c Normal file
View File

@@ -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 <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <mach/hardware.h>
#include <asm/io.h>
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);