1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* Copyright (C) 2008-2010 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
*/
/*!
* @file mach-mx25/cpu.c
*
* @brief This file contains the CPU initialization code.
*
* @ingroup MSL_MX25
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/iram_alloc.h>
#include <mach/hardware.h>
/*!
* CPU initialization. It is called by fixup_mxc_board()
*/
void __init mxc_cpu_init(void)
{
if (!system_rev)
mxc_set_system_rev(0x25, CHIP_REV_1_0);
}
static int __init post_cpu_init(void)
{
void __iomem *base;
unsigned int reg;
iram_init(MX25_IRAM_BASE_ADDR, IRAM_SIZE);
base = IO_ADDRESS(MX25_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 = IO_ADDRESS(MX25_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);
|
