56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
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/*
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* High-Speed Bus Matrix configuration registers
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*
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* Copyright (C) 2008 Atmel Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __HMATRIX_H
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#define __HMATRIX_H
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extern struct clk at32_hmatrix_clk;
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void hmatrix_write_reg(unsigned long offset, u32 value);
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u32 hmatrix_read_reg(unsigned long offset);
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void hmatrix_sfr_set_bits(unsigned int slave_id, u32 mask);
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void hmatrix_sfr_clear_bits(unsigned int slave_id, u32 mask);
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/* Master Configuration register */
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#define HMATRIX_MCFG(m) (0x0000 + 4 * (m))
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/* Undefined length burst limit */
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# define HMATRIX_MCFG_ULBT_INFINITE 0 /* Infinite length */
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# define HMATRIX_MCFG_ULBT_SINGLE 1 /* Single Access */
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# define HMATRIX_MCFG_ULBT_FOUR_BEAT 2 /* Four beat */
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# define HMATRIX_MCFG_ULBT_EIGHT_BEAT 3 /* Eight beat */
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# define HMATRIX_MCFG_ULBT_SIXTEEN_BEAT 4 /* Sixteen beat */
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/* Slave Configuration register */
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#define HMATRIX_SCFG(s) (0x0040 + 4 * (s))
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# define HMATRIX_SCFG_SLOT_CYCLE(x) ((x) << 0) /* Max burst cycles */
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# define HMATRIX_SCFG_DEFMSTR_NONE ( 0 << 16) /* No default master */
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# define HMATRIX_SCFG_DEFMSTR_LAST ( 1 << 16) /* Last def master */
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# define HMATRIX_SCFG_DEFMSTR_FIXED ( 2 << 16) /* Fixed def master */
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# define HMATRIX_SCFG_FIXED_DEFMSTR(m) ((m) << 18) /* Fixed master ID */
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# define HMATRIX_SCFG_ARBT_ROUND_ROBIN ( 0 << 24) /* RR arbitration */
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# define HMATRIX_SCFG_ARBT_FIXED_PRIO ( 1 << 24) /* Fixed priority */
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/* Slave Priority register A (master 0..7) */
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#define HMATRIX_PRAS(s) (0x0080 + 8 * (s))
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# define HMATRIX_PRAS_PRIO(m, p) ((p) << ((m) * 4))
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/* Slave Priority register A (master 8..15) */
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#define HMATRIX_PRBS(s) (0x0084 + 8 * (s))
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# define HMATRIX_PRBS_PRIO(m, p) ((p) << (((m) - 8) * 4))
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/* Master Remap Control Register */
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#define HMATRIX_MRCR 0x0100
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# define HMATRIX_MRCR_REMAP(m) ( 1 << (m)) /* Remap master m */
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/* Special Function Register. Bit definitions are chip-specific */
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#define HMATRIX_SFR(s) (0x0110 + 4 * (s))
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#endif /* __HMATRIX_H */
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