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
64
65
66
67
68
69
70
|
/*
* Copyright 2008 Freescale Semiconductor, Inc.
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/fsl_law.h>
#include <asm/io.h>
#define LAWAR_EN 0x80000000
void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id)
{
volatile u32 *base = (volatile u32 *)(CFG_IMMR + 0xc08);
volatile u32 *lawbar = base + 8 * idx;
volatile u32 *lawar = base + 8 * idx + 2;
out_be32(lawbar, addr >> 12);
out_be32(lawar, LAWAR_EN | ((u32)id << 20) | (u32)sz);
return ;
}
void disable_law(u8 idx)
{
volatile u32 *base = (volatile u32 *)(CFG_IMMR + 0xc08);
volatile u32 *lawbar = base + 8 * idx;
volatile u32 *lawar = base + 8 * idx + 2;
out_be32(lawar, 0);
out_be32(lawbar, 0);
return;
}
void init_laws(void)
{
int i;
u8 law_idx = 0;
for (i = 0; i < num_law_entries; i++) {
if (law_table[i].index != -1)
law_idx = law_table[i].index;
set_law(law_idx++, law_table[i].addr,
law_table[i].size, law_table[i].trgt_id);
}
return ;
}
|
