2 * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9260_matrix.h]
4 * Copyright (C) 2007 Atmel Corporation.
6 * Memory Controllers (MATRIX, EBI) - System peripherals registers.
7 * Based on AT91SAM9260 datasheet revision B.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
15 #ifndef AT91SAM9260_MATRIX_H
16 #define AT91SAM9260_MATRIX_H
21 * This struct defines access to the matrix' maximum of
22 * 16 masters and 16 slaves.
23 * However, on the AT91SAM9260/9G20/9XE there exist only
24 * 6 Masters and 5 Slaves!
27 u32 mcfg[16]; /* Master Configuration Registers */
28 u32 scfg[16]; /* Slave Configuration Registers */
29 u32 pras[16][2]; /* Priority Assignment Slave Registers */
30 u32 mrcr; /* Master Remap Control Register */
32 u32 ebicsa; /* EBI Chip Select Assignment Register */
35 #endif /* __ASSEMBLY__ */
37 #define AT91_MATRIX_ULBT_INFINITE (0 << 0)
38 #define AT91_MATRIX_ULBT_SINGLE (1 << 0)
39 #define AT91_MATRIX_ULBT_FOUR (2 << 0)
40 #define AT91_MATRIX_ULBT_EIGHT (3 << 0)
41 #define AT91_MATRIX_ULBT_SIXTEEN (4 << 0)
43 #define AT91_MATRIX_DEFMSTR_TYPE_NONE (0 << 16)
44 #define AT91_MATRIX_DEFMSTR_TYPE_LAST (1 << 16)
45 #define AT91_MATRIX_DEFMSTR_TYPE_FIXED (2 << 16)
46 #define AT91_MATRIX_FIXED_DEFMSTR_SHIFT 18
47 #define AT91_MATRIX_ARBT_ROUND_ROBIN (0 << 24)
48 #define AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24)
50 #define AT91_MATRIX_M0PR_SHIFT 0
51 #define AT91_MATRIX_M1PR_SHIFT 4
52 #define AT91_MATRIX_M2PR_SHIFT 8
53 #define AT91_MATRIX_M3PR_SHIFT 12
54 #define AT91_MATRIX_M4PR_SHIFT 16
55 #define AT91_MATRIX_M5PR_SHIFT 20
57 #define AT91_MATRIX_RCB0 (1 << 0)
58 #define AT91_MATRIX_RCB1 (1 << 1)
60 #define AT91_MATRIX_CS1A_SDRAMC (1 << 1)
61 #define AT91_MATRIX_CS3A_SMC_SMARTMEDIA (1 << 3)
62 #define AT91_MATRIX_CS4A_SMC_CF1 (1 << 4)
63 #define AT91_MATRIX_CS5A_SMC_CF2 (1 << 5)
64 #define AT91_MATRIX_DBPUC (1 << 8)
65 #define AT91_MATRIX_VDDIOMSEL_1_8V (0 << 16)
66 #define AT91_MATRIX_VDDIOMSEL_3_3V (1 << 16)