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Diffstat (limited to 'include/linux/amba/pl093.h')
-rw-r--r-- | include/linux/amba/pl093.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/include/linux/amba/pl093.h b/include/linux/amba/pl093.h new file mode 100644 index 000000000000..2983e3671adb --- /dev/null +++ b/include/linux/amba/pl093.h | |||
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1 | /* linux/amba/pl093.h | ||
2 | * | ||
3 | * Copyright (c) 2008 Simtec Electronics | ||
4 | * http://armlinux.simtec.co.uk/ | ||
5 | * Ben Dooks <ben@simtec.co.uk> | ||
6 | * | ||
7 | * AMBA PL093 SSMC (synchronous static memory controller) | ||
8 | * See DDI0236.pdf (r0p4) for more details | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License version 2 as | ||
12 | * published by the Free Software Foundation. | ||
13 | */ | ||
14 | |||
15 | #define SMB_BANK(x) ((x) * 0x20) /* each bank control set is 0x20 apart */ | ||
16 | |||
17 | /* Offsets for SMBxxxxRy registers */ | ||
18 | |||
19 | #define SMBIDCYR (0x00) | ||
20 | #define SMBWSTRDR (0x04) | ||
21 | #define SMBWSTWRR (0x08) | ||
22 | #define SMBWSTOENR (0x0C) | ||
23 | #define SMBWSTWENR (0x10) | ||
24 | #define SMBCR (0x14) | ||
25 | #define SMBSR (0x18) | ||
26 | #define SMBWSTBRDR (0x1C) | ||
27 | |||
28 | /* Masks for SMB registers */ | ||
29 | #define IDCY_MASK (0xf) | ||
30 | #define WSTRD_MASK (0xf) | ||
31 | #define WSTWR_MASK (0xf) | ||
32 | #define WSTOEN_MASK (0xf) | ||
33 | #define WSTWEN_MASK (0xf) | ||
34 | |||
35 | /* Notes from datasheet: | ||
36 | * WSTOEN <= WSTRD | ||
37 | * WSTWEN <= WSTWR | ||
38 | * | ||
39 | * WSTOEN is not used with nWAIT | ||
40 | */ | ||
41 | |||
42 | /* SMBCR bit definitions */ | ||
43 | #define SMBCR_BIWRITEEN (1 << 21) | ||
44 | #define SMBCR_ADDRVALIDWRITEEN (1 << 20) | ||
45 | #define SMBCR_SYNCWRITE (1 << 17) | ||
46 | #define SMBCR_BMWRITE (1 << 16) | ||
47 | #define SMBCR_WRAPREAD (1 << 14) | ||
48 | #define SMBCR_BIREADEN (1 << 13) | ||
49 | #define SMBCR_ADDRVALIDREADEN (1 << 12) | ||
50 | #define SMBCR_SYNCREAD (1 << 9) | ||
51 | #define SMBCR_BMREAD (1 << 8) | ||
52 | #define SMBCR_SMBLSPOL (1 << 6) | ||
53 | #define SMBCR_WP (1 << 3) | ||
54 | #define SMBCR_WAITEN (1 << 2) | ||
55 | #define SMBCR_WAITPOL (1 << 1) | ||
56 | #define SMBCR_RBLE (1 << 0) | ||
57 | |||
58 | #define SMBCR_BURSTLENWRITE_MASK (3 << 18) | ||
59 | #define SMBCR_BURSTLENWRITE_4 (0 << 18) | ||
60 | #define SMBCR_BURSTLENWRITE_8 (1 << 18) | ||
61 | #define SMBCR_BURSTLENWRITE_RESERVED (2 << 18) | ||
62 | #define SMBCR_BURSTLENWRITE_CONTINUOUS (3 << 18) | ||
63 | |||
64 | #define SMBCR_BURSTLENREAD_MASK (3 << 10) | ||
65 | #define SMBCR_BURSTLENREAD_4 (0 << 10) | ||
66 | #define SMBCR_BURSTLENREAD_8 (1 << 10) | ||
67 | #define SMBCR_BURSTLENREAD_16 (2 << 10) | ||
68 | #define SMBCR_BURSTLENREAD_CONTINUOUS (3 << 10) | ||
69 | |||
70 | #define SMBCR_MW_MASK (3 << 4) | ||
71 | #define SMBCR_MW_8BIT (0 << 4) | ||
72 | #define SMBCR_MW_16BIT (1 << 4) | ||
73 | #define SMBCR_MW_M32BIT (2 << 4) | ||
74 | |||
75 | /* SSMC status registers */ | ||
76 | #define SSMCCSR (0x200) | ||
77 | #define SSMCCR (0x204) | ||
78 | #define SSMCITCR (0x208) | ||
79 | #define SSMCITIP (0x20C) | ||
80 | #define SSMCITIOP (0x210) | ||