1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9263_matrix.h]
4  *
5  *  Copyright (C) 2006 Atmel Corporation.
6  *
7  * Memory Controllers (MATRIX, EBI) - System peripherals registers.
8  * Based on AT91SAM9263 datasheet revision B (Preliminary).
9  */
10 
11 #ifndef AT91SAM9263_MATRIX_H
12 #define AT91SAM9263_MATRIX_H
13 
14 #ifndef __ASSEMBLY__
15 
16 /*
17  * This struct defines access to the matrix' maximum of
18  * 16 masters and 16 slaves.
19  * Note: not all masters/slaves are available
20  */
21 struct at91_matrix {
22 	u32	mcfg[16];	/* Master Configuration Registers */
23 	u32	scfg[16];	/* Slave Configuration Registers */
24 	u32	pras[16][2];	/* Priority Assignment Slave Registers */
25 	u32	mrcr;		/* Master Remap Control Register */
26 	u32	filler[0x06];
27 	u32	ebicsa;		/* EBI Chip Select Assignment Register */
28 };
29 
30 #endif /* __ASSEMBLY__ */
31 
32 #define AT91_MATRIX_ULBT_INFINITE	(0 << 0)
33 #define AT91_MATRIX_ULBT_SINGLE		(1 << 0)
34 #define AT91_MATRIX_ULBT_FOUR		(2 << 0)
35 #define AT91_MATRIX_ULBT_EIGHT		(3 << 0)
36 #define AT91_MATRIX_ULBT_SIXTEEN	(4 << 0)
37 
38 #define AT91_MATRIX_DEFMSTR_TYPE_NONE	(0 << 16)
39 #define AT91_MATRIX_DEFMSTR_TYPE_LAST	(1 << 16)
40 #define AT91_MATRIX_DEFMSTR_TYPE_FIXED	(2 << 16)
41 #define AT91_MATRIX_FIXED_DEFMSTR_SHIFT	18
42 #define AT91_MATRIX_ARBT_ROUND_ROBIN	(0 << 24)
43 #define AT91_MATRIX_ARBT_FIXED_PRIORITY	(1 << 24)
44 
45 #define AT91_MATRIX_M0PR_SHIFT		0
46 #define AT91_MATRIX_M1PR_SHIFT		4
47 #define AT91_MATRIX_M2PR_SHIFT		8
48 #define AT91_MATRIX_M3PR_SHIFT		12
49 #define AT91_MATRIX_M4PR_SHIFT		16
50 #define AT91_MATRIX_M5PR_SHIFT		20
51 
52 #define AT91_MATRIX_RCB0		(1 << 0)
53 #define AT91_MATRIX_RCB1		(1 << 1)
54 
55 #define AT91_MATRIX_CS1A_SDRAMC		(1 << 1)
56 #define AT91_MATRIX_CS3A_SMC_SMARTMEDIA	(1 << 3)
57 #define AT91_MATRIX_CS4A_SMC_CF1	(1 << 4)
58 #define AT91_MATRIX_CS5A_SMC_CF2	(1 << 5)
59 #define AT91_MATRIX_DBPUC		(1 << 8)
60 #define AT91_MATRIX_VDDIOMSEL_1_8V	(0 << 16)
61 #define AT91_MATRIX_VDDIOMSEL_3_3V	(1 << 16)
62 
63 #endif
64