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
|
#ifndef __MACH_SE_MRSHPC_H
#define __MACH_SE_MRSHPC_H
#include <linux/io.h>
static void __init mrshpc_setup_windows(void)
{
if ((__raw_readw(MRSHPC_CSR) & 0x000c) != 0)
return; /* Not detected */
if ((__raw_readw(MRSHPC_CSR) & 0x0080) == 0) {
__raw_writew(0x0674, MRSHPC_CPWCR); /* Card Vcc is 3.3v? */
} else {
__raw_writew(0x0678, MRSHPC_CPWCR); /* Card Vcc is 5V */
}
/*
* PC-Card window open
* flag == COMMON/ATTRIBUTE/IO
*/
/* common window open */
__raw_writew(0x8a84, MRSHPC_MW0CR1);
if((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
/* common mode & bus width 16bit SWAP = 1*/
__raw_writew(0x0b00, MRSHPC_MW0CR2);
else
/* common mode & bus width 16bit SWAP = 0*/
__raw_writew(0x0300, MRSHPC_MW0CR2);
/* attribute window open */
__raw_writew(0x8a85, MRSHPC_MW1CR1);
if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
/* attribute mode & bus width 16bit SWAP = 1*/
__raw_writew(0x0a00, MRSHPC_MW1CR2);
else
/* attribute mode & bus width 16bit SWAP = 0*/
__raw_writew(0x0200, MRSHPC_MW1CR2);
/* I/O window open */
__raw_writew(0x8a86, MRSHPC_IOWCR1);
__raw_writew(0x0008, MRSHPC_CDCR); /* I/O card mode */
if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
__raw_writew(0x0a00, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1*/
else
__raw_writew(0x0200, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0*/
__raw_writew(0x2000, MRSHPC_ICR);
__raw_writeb(0x00, PA_MRSHPC_MW2 + 0x206);
__raw_writeb(0x42, PA_MRSHPC_MW2 + 0x200);
}
#endif /* __MACH_SE_MRSHPC_H */
|
