diff options
Diffstat (limited to 'arch/sh/include/mach-se/mach/mrshpc.h')
-rw-r--r-- | arch/sh/include/mach-se/mach/mrshpc.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/sh/include/mach-se/mach/mrshpc.h b/arch/sh/include/mach-se/mach/mrshpc.h new file mode 100644 index 00000000000..56287ee8563 --- /dev/null +++ b/arch/sh/include/mach-se/mach/mrshpc.h | |||
@@ -0,0 +1,52 @@ | |||
1 | #ifndef __MACH_SE_MRSHPC_H | ||
2 | #define __MACH_SE_MRSHPC_H | ||
3 | |||
4 | #include <linux/io.h> | ||
5 | |||
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 */ | ||