1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9261_matrix.h]
4  *
5  * Copyright (C) 2007 Atmel Corporation.
6  *
7  * Memory Controllers (MATRIX, EBI) - System peripherals registers.
8  * Based on AT91SAM9261 datasheet revision D.
9  */
10 
11 #ifndef AT91SAM9261_MATRIX_H
12 #define AT91SAM9261_MATRIX_H
13 
14 #ifndef __ASSEMBLY__
15 
16 struct at91_matrix {
17 	u32	mcfg;	/* Master Configuration Registers */
18 	u32	scfg[5];	/* Slave Configuration Registers */
19 	u32	filler[6];
20 	u32	ebicsa;		/* EBI Chip Select Assignment Register */
21 };
22 #endif /* __ASSEMBLY__ */
23 
24 #define AT91_MATRIX_ULBT_INFINITE       (0 << 0)
25 #define AT91_MATRIX_ULBT_SINGLE         (1 << 0)
26 #define AT91_MATRIX_ULBT_FOUR           (2 << 0)
27 #define AT91_MATRIX_ULBT_EIGHT          (3 << 0)
28 #define AT91_MATRIX_ULBT_SIXTEEN        (4 << 0)
29 
30 #define AT91_MATRIX_DEFMSTR_TYPE_NONE   (0 << 16)
31 #define AT91_MATRIX_DEFMSTR_TYPE_LAST   (1 << 16)
32 #define AT91_MATRIX_DEFMSTR_TYPE_FIXED  (2 << 16)
33 #define AT91_MATRIX_FIXED_DEFMSTR_SHIFT 18
34 #define AT91_MATRIX_ARBT_ROUND_ROBIN    (0 << 24)
35 #define AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24)
36 
37 #define AT91_MATRIX_M0PR_SHIFT          0
38 #define AT91_MATRIX_M1PR_SHIFT          4
39 #define AT91_MATRIX_M2PR_SHIFT          8
40 #define AT91_MATRIX_M3PR_SHIFT          12
41 #define AT91_MATRIX_M4PR_SHIFT          16
42 #define AT91_MATRIX_M5PR_SHIFT          20
43 
44 #define AT91_MATRIX_RCB0                (1 << 0)
45 #define AT91_MATRIX_RCB1                (1 << 1)
46 
47 #define AT91_MATRIX_CS1A_SDRAMC         (1 << 1)
48 #define AT91_MATRIX_CS3A_SMC_SMARTMEDIA (1 << 3)
49 #define AT91_MATRIX_CS4A_SMC_CF1        (1 << 4)
50 #define AT91_MATRIX_CS5A_SMC_CF2        (1 << 5)
51 #define AT91_MATRIX_DBPUC               (1 << 8)
52 #define AT91_MATRIX_VDDIOMSEL_1_8V      (0 << 16)
53 #define AT91_MATRIX_VDDIOMSEL_3_3V      (1 << 16)
54 
55 #endif
56