| Haavard Skinnemoen | b47eb40 | 2008-07-31 15:56:36 +0200 | [diff] [blame] | 1 | /* |
| 2 | * High-Speed Bus Matrix configuration registers |
| 3 | * |
| 4 | * Copyright (C) 2008 Atmel Corporation |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | #ifndef __HMATRIX_H |
| 11 | #define __HMATRIX_H |
| 12 | |
| 13 | extern struct clk at32_hmatrix_clk; |
| 14 | |
| 15 | void hmatrix_write_reg(unsigned long offset, u32 value); |
| 16 | u32 hmatrix_read_reg(unsigned long offset); |
| 17 | |
| 18 | void hmatrix_sfr_set_bits(unsigned int slave_id, u32 mask); |
| 19 | void hmatrix_sfr_clear_bits(unsigned int slave_id, u32 mask); |
| 20 | |
| 21 | /* Master Configuration register */ |
| 22 | #define HMATRIX_MCFG(m) (0x0000 + 4 * (m)) |
| 23 | /* Undefined length burst limit */ |
| 24 | # define HMATRIX_MCFG_ULBT_INFINITE 0 /* Infinite length */ |
| 25 | # define HMATRIX_MCFG_ULBT_SINGLE 1 /* Single Access */ |
| 26 | # define HMATRIX_MCFG_ULBT_FOUR_BEAT 2 /* Four beat */ |
| 27 | # define HMATRIX_MCFG_ULBT_EIGHT_BEAT 3 /* Eight beat */ |
| 28 | # define HMATRIX_MCFG_ULBT_SIXTEEN_BEAT 4 /* Sixteen beat */ |
| 29 | |
| 30 | /* Slave Configuration register */ |
| 31 | #define HMATRIX_SCFG(s) (0x0040 + 4 * (s)) |
| 32 | # define HMATRIX_SCFG_SLOT_CYCLE(x) ((x) << 0) /* Max burst cycles */ |
| 33 | # define HMATRIX_SCFG_DEFMSTR_NONE ( 0 << 16) /* No default master */ |
| 34 | # define HMATRIX_SCFG_DEFMSTR_LAST ( 1 << 16) /* Last def master */ |
| 35 | # define HMATRIX_SCFG_DEFMSTR_FIXED ( 2 << 16) /* Fixed def master */ |
| 36 | # define HMATRIX_SCFG_FIXED_DEFMSTR(m) ((m) << 18) /* Fixed master ID */ |
| 37 | # define HMATRIX_SCFG_ARBT_ROUND_ROBIN ( 0 << 24) /* RR arbitration */ |
| 38 | # define HMATRIX_SCFG_ARBT_FIXED_PRIO ( 1 << 24) /* Fixed priority */ |
| 39 | |
| 40 | /* Slave Priority register A (master 0..7) */ |
| 41 | #define HMATRIX_PRAS(s) (0x0080 + 8 * (s)) |
| 42 | # define HMATRIX_PRAS_PRIO(m, p) ((p) << ((m) * 4)) |
| 43 | |
| 44 | /* Slave Priority register A (master 8..15) */ |
| 45 | #define HMATRIX_PRBS(s) (0x0084 + 8 * (s)) |
| 46 | # define HMATRIX_PRBS_PRIO(m, p) ((p) << (((m) - 8) * 4)) |
| 47 | |
| 48 | /* Master Remap Control Register */ |
| 49 | #define HMATRIX_MRCR 0x0100 |
| 50 | # define HMATRIX_MRCR_REMAP(m) ( 1 << (m)) /* Remap master m */ |
| 51 | |
| 52 | /* Special Function Register. Bit definitions are chip-specific */ |
| 53 | #define HMATRIX_SFR(s) (0x0110 + 4 * (s)) |
| 54 | |
| 55 | #endif /* __HMATRIX_H */ |