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-rw-r--r--include/405_mal.h75
1 files changed, 42 insertions, 33 deletions
diff --git a/include/405_mal.h b/include/405_mal.h
index 020874f..69d20c9 100644
--- a/include/405_mal.h
+++ b/include/405_mal.h
@@ -1,39 +1,43 @@
/* 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.
+| 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 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.
+| 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
+| COPYRIGHT I B M CORPORATION 1999
+| LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
+----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------+
|
-| File Name: mal.h
+| File Name: mal.h
|
-| Function: Header file for the MAL (MADMAL) macro on the 405GP.
+| Function: Header file for the MAL (MADMAL) macro on the 405GP.
|
-| Author: Mark Wisner
+| Author: Mark Wisner
|
| Change Activity-
|
-| Date Description of Change BY
-| --------- --------------------- ---
-| 29-Apr-99 Created MKW
+| 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 */
@@ -41,7 +45,7 @@
#define MAL_TX_CTRL_READY 0x8000
#define MAL_TX_CTRL_WRAP 0x4000
-#define MAL_TX_CTRL_CM 0x2000
+#define MAL_TX_CTRL_CM 0x2000
#define MAL_TX_CTRL_LAST 0x1000
#define MAL_TX_CTRL_INTR 0x0400
@@ -56,14 +60,14 @@
#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_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_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
@@ -71,7 +75,7 @@
#define MAL_CR_LEA 0x00000002
#define MAL_CR_MSD 0x00000001
- /* Error Status Reg */
+ /* Error Status Reg */
#define MAL_ESR_EVB 0x80000000
#define MAL_ESR_CID 0x40000000
#define MAL_ESR_DE 0x00100000
@@ -80,26 +84,31 @@
#define MAL_ESR_OSE 0x00020000
#define MAL_ESR_PEIN 0x00010000
/* same bit position as the IER */
- /* VV VV */
+ /* 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 */
+ /* ^^ ^^ */
+ /* Mal IER */
#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
+/* 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 */
+ 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