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