| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /****************************************************************************/ |
| 2 | |
| 3 | /* |
| 4 | * mcfmbus.h -- Coldfire MBUS support defines. |
| 5 | * |
| 6 | * (C) Copyright 1999, Martin Floeer (mfloeer@axcent.de) |
| 7 | */ |
| 8 | |
| 9 | /****************************************************************************/ |
| 10 | |
| 11 | |
| 12 | #ifndef mcfmbus_h |
| 13 | #define mcfmbus_h |
| 14 | #include <linux/config.h> |
| 15 | |
| 16 | |
| 17 | #define MCFMBUS_BASE 0x280 |
| 18 | #define MCFMBUS_IRQ_VECTOR 0x19 |
| 19 | #define MCFMBUS_IRQ 0x1 |
| 20 | #define MCFMBUS_CLK 0x3f |
| 21 | #define MCFMBUS_IRQ_LEVEL 0x07 /*IRQ Level 1*/ |
| 22 | #define MCFMBUS_ADDRESS 0x01 |
| 23 | |
| 24 | |
| 25 | /* |
| 26 | * Define the 5307 MBUS register set addresses |
| 27 | */ |
| 28 | |
| 29 | #define MCFMBUS_MADR 0x00 |
| 30 | #define MCFMBUS_MFDR 0x04 |
| 31 | #define MCFMBUS_MBCR 0x08 |
| 32 | #define MCFMBUS_MBSR 0x0C |
| 33 | #define MCFMBUS_MBDR 0x10 |
| 34 | |
| 35 | |
| 36 | #define MCFMBUS_MADR_ADDR(a) (((a)&0x7F)<<0x01) /*Slave Address*/ |
| 37 | |
| 38 | #define MCFMBUS_MFDR_MBC(a) ((a)&0x3F) /*M-Bus Clock*/ |
| 39 | |
| 40 | /* |
| 41 | * Define bit flags in Controll Register |
| 42 | */ |
| 43 | |
| 44 | #define MCFMBUS_MBCR_MEN (0x80) /* M-Bus Enable */ |
| 45 | #define MCFMBUS_MBCR_MIEN (0x40) /* M-Bus Interrupt Enable */ |
| 46 | #define MCFMBUS_MBCR_MSTA (0x20) /* Master/Slave Mode Select Bit */ |
| 47 | #define MCFMBUS_MBCR_MTX (0x10) /* Transmit/Rcv Mode Select Bit */ |
| 48 | #define MCFMBUS_MBCR_TXAK (0x08) /* Transmit Acknowledge Enable */ |
| 49 | #define MCFMBUS_MBCR_RSTA (0x04) /* Repeat Start */ |
| 50 | |
| 51 | /* |
| 52 | * Define bit flags in Status Register |
| 53 | */ |
| 54 | |
| 55 | #define MCFMBUS_MBSR_MCF (0x80) /* Data Transfer Complete */ |
| 56 | #define MCFMBUS_MBSR_MAAS (0x40) /* Addressed as a Slave */ |
| 57 | #define MCFMBUS_MBSR_MBB (0x20) /* Bus Busy */ |
| 58 | #define MCFMBUS_MBSR_MAL (0x10) /* Arbitration Lost */ |
| 59 | #define MCFMBUS_MBSR_SRW (0x04) /* Slave Transmit */ |
| 60 | #define MCFMBUS_MBSR_MIF (0x02) /* M-Bus Interrupt */ |
| 61 | #define MCFMBUS_MBSR_RXAK (0x01) /* No Acknowledge Received */ |
| 62 | |
| 63 | /* |
| 64 | * Define bit flags in DATA I/O Register |
| 65 | */ |
| 66 | |
| 67 | #define MCFMBUS_MBDR_READ (0x01) /* 1=read 0=write MBUS */ |
| 68 | |
| 69 | #define MBUSIOCSCLOCK 1 |
| 70 | #define MBUSIOCGCLOCK 2 |
| 71 | #define MBUSIOCSADDR 3 |
| 72 | #define MBUSIOCGADDR 4 |
| 73 | #define MBUSIOCSSLADDR 5 |
| 74 | #define MBUSIOCGSLADDR 6 |
| 75 | #define MBUSIOCSSUBADDR 7 |
| 76 | #define MBUSIOCGSUBADDR 8 |
| 77 | |
| 78 | #endif |