128 lines
4.4 KiB
C
128 lines
4.4 KiB
C
/* 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) || \
|
|
defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
|
|
defined(CONFIG_405EX)
|
|
#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
|