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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* [origin: Linux kernel include/asm-arm/arch-at91/at91sam9260_matrix.h]
*
* Copyright (C) 2007 Atmel Corporation.
*
* Memory Controllers (MATRIX, EBI) - System peripherals registers.
* Based on AT91SAM9260 datasheet revision B.
*/
#ifndef AT91SAM9260_MATRIX_H
#define AT91SAM9260_MATRIX_H
#ifndef __ASSEMBLY__
/*
* This struct defines access to the matrix' maximum of
* 16 masters and 16 slaves.
* However, on the AT91SAM9260/9G20/9XE there exist only
* 6 Masters and 5 Slaves!
*/
struct at91_matrix {
u32 mcfg[16]; /* Master Configuration Registers */
u32 scfg[16]; /* Slave Configuration Registers */
u32 pras[16][2]; /* Priority Assignment Slave Registers */
u32 mrcr; /* Master Remap Control Register */
u32 filler[0x06];
u32 ebicsa; /* EBI Chip Select Assignment Register */
};
#endif /* __ASSEMBLY__ */
#define AT91_MATRIX_ULBT_INFINITE (0 << 0)
#define AT91_MATRIX_ULBT_SINGLE (1 << 0)
#define AT91_MATRIX_ULBT_FOUR (2 << 0)
#define AT91_MATRIX_ULBT_EIGHT (3 << 0)
#define AT91_MATRIX_ULBT_SIXTEEN (4 << 0)
#define AT91_MATRIX_DEFMSTR_TYPE_NONE (0 << 16)
#define AT91_MATRIX_DEFMSTR_TYPE_LAST (1 << 16)
#define AT91_MATRIX_DEFMSTR_TYPE_FIXED (2 << 16)
#define AT91_MATRIX_FIXED_DEFMSTR_SHIFT 18
#define AT91_MATRIX_ARBT_ROUND_ROBIN (0 << 24)
#define AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24)
#define AT91_MATRIX_M0PR_SHIFT 0
#define AT91_MATRIX_M1PR_SHIFT 4
#define AT91_MATRIX_M2PR_SHIFT 8
#define AT91_MATRIX_M3PR_SHIFT 12
#define AT91_MATRIX_M4PR_SHIFT 16
#define AT91_MATRIX_M5PR_SHIFT 20
#define AT91_MATRIX_RCB0 (1 << 0)
#define AT91_MATRIX_RCB1 (1 << 1)
#define AT91_MATRIX_CS1A_SDRAMC (1 << 1)
#define AT91_MATRIX_CS3A_SMC_SMARTMEDIA (1 << 3)
#define AT91_MATRIX_CS4A_SMC_CF1 (1 << 4)
#define AT91_MATRIX_CS5A_SMC_CF2 (1 << 5)
#define AT91_MATRIX_DBPUC (1 << 8)
#define AT91_MATRIX_VDDIOMSEL_1_8V (0 << 16)
#define AT91_MATRIX_VDDIOMSEL_3_3V (1 << 16)
#define AT91_MATRIX_EBI_IOSR_SEL (1 << 17)
/* Maximum Number of Allowed Cycles for a Burst */
#define AT91_MATRIX_SLOT_CYCLE (0xff << 0)
#define AT91_MATRIX_SLOT_CYCLE_(x) (x << 0)
#endif
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