xref: /openbmc/u-boot/include/faraday/ftsmc020.h (revision 23ff8633)
1 /*
2  * (C) Copyright 2009 Faraday Technology
3  * Po-Yu Chuang <ratbert@faraday-tech.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 /*
9  * Static Memory Controller
10  */
11 #ifndef __FTSMC020_H
12 #define __FTSMC020_H
13 
14 #ifndef __ASSEMBLY__
15 
16 struct ftsmc020_bank {
17 	unsigned int    cr;
18 	unsigned int    tpr;
19 };
20 
21 struct ftsmc020 {
22 	struct ftsmc020_bank bank[4];	/* 0x00 - 0x1c */
23 	unsigned int	pad[8];		/* 0x20 - 0x3c */
24 	unsigned int	ssr;		/* 0x40 */
25 };
26 
27 void ftsmc020_init(void);
28 
29 #endif /* __ASSEMBLY__ */
30 
31 /*
32  * Memory Bank Configuration Register
33  */
34 #define FTSMC020_BANK_ENABLE	(1 << 28)
35 #define FTSMC020_BANK_BASE(x)	((x) & 0x0fff1000)
36 
37 #define FTSMC020_BANK_WPROT	(1 << 11)
38 
39 #define FTSMC020_BANK_TYPE1	(1 << 10)
40 #define FTSMC020_BANK_TYPE2	(1 << 9)
41 #define FTSMC020_BANK_TYPE3	(1 << 8)
42 
43 #define FTSMC020_BANK_SIZE_32K	(0xb << 4)
44 #define FTSMC020_BANK_SIZE_64K	(0xc << 4)
45 #define FTSMC020_BANK_SIZE_128K	(0xd << 4)
46 #define FTSMC020_BANK_SIZE_256K	(0xe << 4)
47 #define FTSMC020_BANK_SIZE_512K	(0xf << 4)
48 #define FTSMC020_BANK_SIZE_1M	(0x0 << 4)
49 #define FTSMC020_BANK_SIZE_2M	(0x1 << 4)
50 #define FTSMC020_BANK_SIZE_4M	(0x2 << 4)
51 #define FTSMC020_BANK_SIZE_8M	(0x3 << 4)
52 #define FTSMC020_BANK_SIZE_16M	(0x4 << 4)
53 #define FTSMC020_BANK_SIZE_32M	(0x5 << 4)
54 #define FTSMC020_BANK_SIZE_64M	(0x6 << 4)
55 
56 #define FTSMC020_BANK_MBW_8	(0x0 << 0)
57 #define FTSMC020_BANK_MBW_16	(0x1 << 0)
58 #define FTSMC020_BANK_MBW_32	(0x2 << 0)
59 
60 /*
61  * Memory Bank Timing Parameter Register
62  */
63 #define FTSMC020_TPR_ETRNA(x)	(((x) & 0xf) << 28)
64 #define FTSMC020_TPR_EATI(x)	(((x) & 0xf) << 24)
65 #define FTSMC020_TPR_RBE	(1 << 20)
66 #define FTSMC020_TPR_AST(x)	(((x) & 0x3) << 18)
67 #define FTSMC020_TPR_CTW(x)	(((x) & 0x3) << 16)
68 #define FTSMC020_TPR_ATI(x)	(((x) & 0xf) << 12)
69 #define FTSMC020_TPR_AT2(x)	(((x) & 0x3) << 8)
70 #define FTSMC020_TPR_WTC(x)	(((x) & 0x3) << 6)
71 #define FTSMC020_TPR_AHT(x)	(((x) & 0x3) << 4)
72 #define FTSMC020_TPR_TRNA(x)	(((x) & 0xf) << 0)
73 
74 #endif	/* __FTSMC020_H */
75