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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/avr32/mach-at32ap/include/mach/hmatrix.h |
Initial import
Diffstat (limited to 'arch/avr32/mach-at32ap/include/mach/hmatrix.h')
-rw-r--r-- | arch/avr32/mach-at32ap/include/mach/hmatrix.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/avr32/mach-at32ap/include/mach/hmatrix.h b/arch/avr32/mach-at32ap/include/mach/hmatrix.h new file mode 100644 index 000000000..7a368f227 --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/hmatrix.h @@ -0,0 +1,55 @@ +/* + * 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 */ |