xref: /openbmc/u-boot/include/faraday/ftahbc020s.h (revision baefb63a)
1 /*
2  * Copyright (C) 2011 Andes Technology Corporation
3  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 /* FTAHBC020S - AHB Controller (Arbiter/Decoder) definitions */
9 #ifndef __FTAHBC020S_H
10 #define __FTAHBC202S_H
11 
12 /* Registers Offsets */
13 
14 /*
15  * AHB Slave BSR, offset: n * 4, n=0~31
16  */
17 #ifndef __ASSEMBLY__
18 struct ftahbc02s {
19 	unsigned int	s_bsr[32];	/* 0x00-0x7c - Slave n Base/Size Reg */
20 	unsigned int	pcr;		/* 0x80	- Priority Ctrl Reg */
21 	unsigned int	tcrg;		/* 0x84	- Transfer Ctrl Reg */
22 	unsigned int	cr;		/* 0x88	- Ctrl Reg */
23 };
24 #endif /* __ASSEMBLY__ */
25 
26 /*
27  * FTAHBC020S_SLAVE_BSR - Slave n Base / Size Register
28  */
29 #define FTAHBC020S_SLAVE_BSR_BASE(x)	(((x) & 0xfff) << 20)
30 #define FTAHBC020S_SLAVE_BSR_SIZE(x)	(((x) & 0xf) << 16)
31 /* The value of b(16:19)SLAVE_BSR_SIZE: 1M-2048M, must be power of 2 */
32 #define FTAHBC020S_BSR_SIZE(x)		(ffs(x) - 1)	/* size of Addr Space */
33 
34 /*
35  * FTAHBC020S_PCR - Priority Control Register
36  */
37 #define FTAHBC020S_PCR_PLEVEL_(x)	(1 << (x))	/* x: 1-15 */
38 
39 /*
40  * FTAHBC020S_CR - Interrupt Control Register
41  */
42 #define FTAHBC020S_CR_INTSTS	(1 << 24)
43 #define FTAHBC020S_CR_RESP(x)	(((x) & 0x3) << 20)
44 #define FTAHBC020S_CR_INTSMASK	(1 << 16)
45 #define FTAHBC020S_CR_REMAP	(1 << 0)
46 
47 #endif	/* __FTAHBC020S_H */
48