/* include/mal.h, openbios_walnut, walnut_bios 8/6/99 08:48:40 */ /*----------------------------------------------------------------------------+ | | This source code has been made available to you by IBM on an AS-IS | basis. Anyone receiving this source is licensed under IBM | copyrights to use it in any way he or she deems fit, including | copying it, modifying it, compiling it, and redistributing it either | with or without modifications. No license under IBM patents or | patent applications is to be implied by the copyright license. | | Any user of this software should understand that IBM cannot provide | technical support for this software and will not be responsible for | any consequences resulting from the use of this software. | | Any person who transfers this source code or any derivative work | must include the IBM copyright notice, this paragraph, and the | preceding two paragraphs in the transferred software. | | COPYRIGHT I B M CORPORATION 1999 | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M +----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------+ | | File Name: mal.h | | Function: Header file for the MAL (MADMAL) macro on the 405GP. | | Author: Mark Wisner | | Change Activity- | | Date Description of Change BY | --------- --------------------- --- | 29-Apr-99 Created MKW | +----------------------------------------------------------------------------*/ /*----------------------------------------------------------------------------+ | 17-Nov-03 Travis B. Sawyer, Sandburst Corporation, tsawyer@sandburst.com | Added register bit definitions to support multiple channels +----------------------------------------------------------------------------*/ #ifndef _mal_h_ #define _mal_h_ /* MADMAL transmit and receive status/control bits */ /* for COMMAC bits, refer to the COMMAC header file */ #define MAL_TX_CTRL_READY 0x8000 #define MAL_TX_CTRL_WRAP 0x4000 #define MAL_TX_CTRL_CM 0x2000 #define MAL_TX_CTRL_LAST 0x1000 #define MAL_TX_CTRL_INTR 0x0400 #define MAL_RX_CTRL_EMPTY 0x8000 #define MAL_RX_CTRL_WRAP 0x4000 #define MAL_RX_CTRL_CM 0x2000 #define MAL_RX_CTRL_LAST 0x1000 #define MAL_RX_CTRL_FIRST 0x0800 #define MAL_RX_CTRL_INTR 0x0400 /* Configuration Reg */ #define MAL_CR_MMSR 0x80000000 #define MAL_CR_PLBP_1 0x00400000 /* lowsest is 00 */ #define MAL_CR_PLBP_2 0x00800000 #define MAL_CR_PLBP_3 0x00C00000 /* highest */ #define MAL_CR_GA 0x00200000 #define MAL_CR_OA 0x00100000 #define MAL_CR_PLBLE 0x00080000 #define MAL_CR_PLBLT_1 0x00040000 #define MAL_CR_PLBLT_2 0x00020000 #define MAL_CR_PLBLT_3 0x00010000 #define MAL_CR_PLBLT_4 0x00008000 #define MAL_CR_PLBLT_DEFAULT 0x00078000 /* ????? */ #define MAL_CR_PLBB 0x00004000 #define MAL_CR_OPBBL 0x00000080 #define MAL_CR_EOPIE 0x00000004 #define MAL_CR_LEA 0x00000002 #define MAL_CR_MSD 0x00000001 /* Error Status Reg */ #define MAL_ESR_EVB 0x80000000 #define MAL_ESR_CID 0x40000000 #define MAL_ESR_DE 0x00100000 #define MAL_ESR_ONE 0x00080000 #define MAL_ESR_OTE 0x00040000 #define MAL_ESR_OSE 0x00020000 #define MAL_ESR_PEIN 0x00010000 /* same bit position as the IER */ /* VV VV */ #define MAL_ESR_DEI 0x00000010 #define MAL_ESR_ONEI 0x00000008 #define MAL_ESR_OTEI 0x00000004 #define MAL_ESR_OSEI 0x00000002 #define MAL_ESR_PBEI 0x00000001 /* ^^ ^^ */ /* Mal IER */ #if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) #define MAL_IER_PT 0x00000080 #define MAL_IER_PRE 0x00000040 #define MAL_IER_PWE 0x00000020 #define MAL_IER_DE 0x00000010 #define MAL_IER_OTE 0x00000004 #define MAL_IER_OE 0x00000002 #define MAL_IER_PE 0x00000001 #else #define MAL_IER_DE 0x00000010 #define MAL_IER_NE 0x00000008 #define MAL_IER_TE 0x00000004 #define MAL_IER_OPBE 0x00000002 #define MAL_IER_PLBE 0x00000001 #endif /* MAL Channel Active Set and Reset Registers */ #define MAL_TXRX_CASR (0x80000000) #define MAL_TXRX_CASR_V(__x) (__x) /* Channel 0 shifts 0, channel 1 shifts 1, etc */ /* MAL Buffer Descriptor structure */ typedef struct { short ctrl; /* MAL / Commac status control bits */ short data_len; /* Max length is 4K-1 (12 bits) */ char *data_ptr; /* pointer to actual data buffer */ } mal_desc_t; #endif
