1 /* 2 * [origin: Linux kernel include/asm-arm/arch-at91/at91sam9261_matrix.h] 3 * 4 * Copyright (C) 2007 Atmel Corporation. 5 * 6 * Memory Controllers (MATRIX, EBI) - System peripherals registers. 7 * Based on AT91SAM9261 datasheet revision D. 8 * 9 * SPDX-License-Identifier: GPL-2.0+ 10 */ 11 12 #ifndef AT91SAM9261_MATRIX_H 13 #define AT91SAM9261_MATRIX_H 14 15 #ifndef __ASSEMBLY__ 16 17 struct at91_matrix { 18 u32 mcfg; /* Master Configuration Registers */ 19 u32 scfg[5]; /* Slave Configuration Registers */ 20 u32 filler[6]; 21 u32 ebicsa; /* EBI Chip Select Assignment Register */ 22 }; 23 #endif /* __ASSEMBLY__ */ 24 25 #define AT91_MATRIX_ULBT_INFINITE (0 << 0) 26 #define AT91_MATRIX_ULBT_SINGLE (1 << 0) 27 #define AT91_MATRIX_ULBT_FOUR (2 << 0) 28 #define AT91_MATRIX_ULBT_EIGHT (3 << 0) 29 #define AT91_MATRIX_ULBT_SIXTEEN (4 << 0) 30 31 #define AT91_MATRIX_DEFMSTR_TYPE_NONE (0 << 16) 32 #define AT91_MATRIX_DEFMSTR_TYPE_LAST (1 << 16) 33 #define AT91_MATRIX_DEFMSTR_TYPE_FIXED (2 << 16) 34 #define AT91_MATRIX_FIXED_DEFMSTR_SHIFT 18 35 #define AT91_MATRIX_ARBT_ROUND_ROBIN (0 << 24) 36 #define AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24) 37 38 #define AT91_MATRIX_M0PR_SHIFT 0 39 #define AT91_MATRIX_M1PR_SHIFT 4 40 #define AT91_MATRIX_M2PR_SHIFT 8 41 #define AT91_MATRIX_M3PR_SHIFT 12 42 #define AT91_MATRIX_M4PR_SHIFT 16 43 #define AT91_MATRIX_M5PR_SHIFT 20 44 45 #define AT91_MATRIX_RCB0 (1 << 0) 46 #define AT91_MATRIX_RCB1 (1 << 1) 47 48 #define AT91_MATRIX_CS1A_SDRAMC (1 << 1) 49 #define AT91_MATRIX_CS3A_SMC_SMARTMEDIA (1 << 3) 50 #define AT91_MATRIX_CS4A_SMC_CF1 (1 << 4) 51 #define AT91_MATRIX_CS5A_SMC_CF2 (1 << 5) 52 #define AT91_MATRIX_DBPUC (1 << 8) 53 #define AT91_MATRIX_VDDIOMSEL_1_8V (0 << 16) 54 #define AT91_MATRIX_VDDIOMSEL_3_3V (1 << 16) 55 56 #endif 57