| | 1 | /* include/mal.h, openbios_walnut, walnut_bios 8/6/99 08:48:40 */ |
| | 2 | /*----------------------------------------------------------------------------+ |
| | 3 | | |
| | 4 | | This source code has been made available to you by IBM on an AS-IS |
| | 5 | | basis. Anyone receiving this source is licensed under IBM |
| | 6 | | copyrights to use it in any way he or she deems fit, including |
| | 7 | | copying it, modifying it, compiling it, and redistributing it either |
| | 8 | | with or without modifications. No license under IBM patents or |
| | 9 | | patent applications is to be implied by the copyright license. |
| | 10 | | |
| | 11 | | Any user of this software should understand that IBM cannot provide |
| | 12 | | technical support for this software and will not be responsible for |
| | 13 | | any consequences resulting from the use of this software. |
| | 14 | | |
| | 15 | | Any person who transfers this source code or any derivative work |
| | 16 | | must include the IBM copyright notice, this paragraph, and the |
| | 17 | | preceding two paragraphs in the transferred software. |
| | 18 | | |
| | 19 | | COPYRIGHT I B M CORPORATION 1999 |
| | 20 | | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M |
| | 21 | +----------------------------------------------------------------------------*/ |
| | 22 | /*----------------------------------------------------------------------------+ |
| | 23 | | |
| | 24 | | File Name: mal.h |
| | 25 | | |
| | 26 | | Function: Header file for the MAL (MADMAL) macro on the 405GP. |
| | 27 | | |
| | 28 | | Author: Mark Wisner |
| | 29 | | |
| | 30 | | Change Activity- |
| | 31 | | |
| | 32 | | Date Description of Change BY |
| | 33 | | --------- --------------------- --- |
| | 34 | | 29-Apr-99 Created MKW |
| | 35 | | |
| | 36 | +----------------------------------------------------------------------------*/ |
| | 37 | /*----------------------------------------------------------------------------+ |
| | 38 | | 17-Nov-03 Travis B. Sawyer, Sandburst Corporation, [email protected] |
| | 39 | | Added register bit definitions to support multiple channels |
| | 40 | +----------------------------------------------------------------------------*/ |
| | 41 | #ifndef _mal_h_ |
| | 42 | #define _mal_h_ |
| | 43 | /* MADMAL transmit and receive status/control bits */ |
| | 44 | /* for COMMAC bits, refer to the COMMAC header file */ |
| | 45 | |
| | 46 | #define MAL_TX_CTRL_READY 0x8000 |
| | 47 | #define MAL_TX_CTRL_WRAP 0x4000 |
| | 48 | #define MAL_TX_CTRL_CM 0x2000 |
| | 49 | #define MAL_TX_CTRL_LAST 0x1000 |
| | 50 | #define MAL_TX_CTRL_INTR 0x0400 |
| | 51 | |
| | 52 | #define MAL_RX_CTRL_EMPTY 0x8000 |
| | 53 | #define MAL_RX_CTRL_WRAP 0x4000 |
| | 54 | #define MAL_RX_CTRL_CM 0x2000 |
| | 55 | #define MAL_RX_CTRL_LAST 0x1000 |
| | 56 | #define MAL_RX_CTRL_FIRST 0x0800 |
| | 57 | #define MAL_RX_CTRL_INTR 0x0400 |
| | 58 | |
| | 59 | /* Configuration Reg */ |
| | 60 | #define MAL_CR_MMSR 0x80000000 |
| | 61 | #define MAL_CR_PLBP_1 0x00400000 /* lowsest is 00 */ |
| | 62 | #define MAL_CR_PLBP_2 0x00800000 |
| | 63 | #define MAL_CR_PLBP_3 0x00C00000 /* highest */ |
| | 64 | #define MAL_CR_GA 0x00200000 |
| | 65 | #define MAL_CR_OA 0x00100000 |
| | 66 | #define MAL_CR_PLBLE 0x00080000 |
| | 67 | #define MAL_CR_PLBLT_1 0x00040000 |
| | 68 | #define MAL_CR_PLBLT_2 0x00020000 |
| | 69 | #define MAL_CR_PLBLT_3 0x00010000 |
| | 70 | #define MAL_CR_PLBLT_4 0x00008000 |
| | 71 | #define MAL_CR_PLBLT_DEFAULT 0x00078000 /* ????? */ |
| | 72 | #define MAL_CR_PLBB 0x00004000 |
| | 73 | #define MAL_CR_OPBBL 0x00000080 |
| | 74 | #define MAL_CR_EOPIE 0x00000004 |
| | 75 | #define MAL_CR_LEA 0x00000002 |
| | 76 | #define MAL_CR_MSD 0x00000001 |
| | 77 | |
| | 78 | /* Error Status Reg */ |
| | 79 | #define MAL_ESR_EVB 0x80000000 |
| | 80 | #define MAL_ESR_CID 0x40000000 |
| | 81 | #define MAL_ESR_DE 0x00100000 |
| | 82 | #define MAL_ESR_ONE 0x00080000 |
| | 83 | #define MAL_ESR_OTE 0x00040000 |
| | 84 | #define MAL_ESR_OSE 0x00020000 |
| | 85 | #define MAL_ESR_PEIN 0x00010000 |
| | 86 | /* same bit position as the IER */ |
| | 87 | /* VV VV */ |
| | 88 | #define MAL_ESR_DEI 0x00000010 |
| | 89 | #define MAL_ESR_ONEI 0x00000008 |
| | 90 | #define MAL_ESR_OTEI 0x00000004 |
| | 91 | #define MAL_ESR_OSEI 0x00000002 |
| | 92 | #define MAL_ESR_PBEI 0x00000001 |
| | 93 | /* ^^ ^^ */ |
| | 94 | /* Mal IER */ |
| | 95 | #if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) |
| | 96 | #define MAL_IER_PT 0x00000080 |
| | 97 | #define MAL_IER_PRE 0x00000040 |
| | 98 | #define MAL_IER_PWE 0x00000020 |
| | 99 | #define MAL_IER_DE 0x00000010 |
| | 100 | #define MAL_IER_OTE 0x00000004 |
| | 101 | #define MAL_IER_OE 0x00000002 |
| | 102 | #define MAL_IER_PE 0x00000001 |
| | 103 | #else |
| | 104 | #define MAL_IER_DE 0x00000010 |
| | 105 | #define MAL_IER_NE 0x00000008 |
| | 106 | #define MAL_IER_TE 0x00000004 |
| | 107 | #define MAL_IER_OPBE 0x00000002 |
| | 108 | #define MAL_IER_PLBE 0x00000001 |
| | 109 | #endif |
| | 110 | |
| | 111 | /* MAL Channel Active Set and Reset Registers */ |
| | 112 | #define MAL_TXRX_CASR (0x80000000) |
| | 113 | |
| | 114 | #define MAL_TXRX_CASR_V(__x) (__x) /* Channel 0 shifts 0, channel 1 shifts 1, etc */ |
| | 115 | |
| | 116 | |
| | 117 | /* MAL Buffer Descriptor structure */ |
| | 118 | typedef struct { |
| | 119 | short ctrl; /* MAL / Commac status control bits */ |
| | 120 | short data_len; /* Max length is 4K-1 (12 bits) */ |
| | 121 | char *data_ptr; /* pointer to actual data buffer */ |
| | 122 | } mal_desc_t; |
| | 123 | |
| | 124 | #endif |
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