Initial revision

1 files changed, 106 insertions, 0 deletions

diff --git a/include/405_mal.h b/include/405_mal.h
new file mode 100644
index 0000000..459924b
--- /dev/null
+++ b/include/405_mal.h
@@ -0,0 +1,106 @@
+/* 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
+|
++----------------------------------------------------------------------------*/
+#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                      */
+#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 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
+