1 #ifndef __MACH_SE_MRSHPC_H
2 #define __MACH_SE_MRSHPC_H
3
4 #include <linux/io.h>
5
mrshpc_setup_windows(void)6 static inline void __init mrshpc_setup_windows(void)
7 {
8 if ((__raw_readw(MRSHPC_CSR) & 0x000c) != 0)
9 return; /* Not detected */
10
11 if ((__raw_readw(MRSHPC_CSR) & 0x0080) == 0) {
12 __raw_writew(0x0674, MRSHPC_CPWCR); /* Card Vcc is 3.3v? */
13 } else {
14 __raw_writew(0x0678, MRSHPC_CPWCR); /* Card Vcc is 5V */
15 }
16
17 /*
18 * PC-Card window open
19 * flag == COMMON/ATTRIBUTE/IO
20 */
21 /* common window open */
22 __raw_writew(0x8a84, MRSHPC_MW0CR1);
23 if((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
24 /* common mode & bus width 16bit SWAP = 1*/
25 __raw_writew(0x0b00, MRSHPC_MW0CR2);
26 else
27 /* common mode & bus width 16bit SWAP = 0*/
28 __raw_writew(0x0300, MRSHPC_MW0CR2);
29
30 /* attribute window open */
31 __raw_writew(0x8a85, MRSHPC_MW1CR1);
32 if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
33 /* attribute mode & bus width 16bit SWAP = 1*/
34 __raw_writew(0x0a00, MRSHPC_MW1CR2);
35 else
36 /* attribute mode & bus width 16bit SWAP = 0*/
37 __raw_writew(0x0200, MRSHPC_MW1CR2);
38
39 /* I/O window open */
40 __raw_writew(0x8a86, MRSHPC_IOWCR1);
41 __raw_writew(0x0008, MRSHPC_CDCR); /* I/O card mode */
42 if ((__raw_readw(MRSHPC_CSR) & 0x4000) != 0)
43 __raw_writew(0x0a00, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1*/
44 else
45 __raw_writew(0x0200, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0*/
46
47 __raw_writew(0x2000, MRSHPC_ICR);
48 __raw_writeb(0x00, PA_MRSHPC_MW2 + 0x206);
49 __raw_writeb(0x42, PA_MRSHPC_MW2 + 0x200);
50 }
51
52 #endif /* __MACH_SE_MRSHPC_H */
53