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