patch-2.4.5 linux/include/asm-ppc/walnut.h

• Lines: 68
• Date: Mon May 21 15:02:06 2001
• Orig file: v2.4.4/linux/include/asm-ppc/walnut.h
• Orig date: Sat Nov 11 18:23:11 2000

diff -u --recursive --new-file v2.4.4/linux/include/asm-ppc/walnut.h linux/include/asm-ppc/walnut.h
@@ -1,13 +1,25 @@
 /*
+ * BK Id: SCCS/s.walnut.h 1.7 05/17/01 18:14:26 cort
+ */
+/*
  *
  *    Copyright (c) 1999 Grant Erickson <grant@lcse.umn.edu>
  *
- *    Module name: walnut.h
+ *    Copyright 2000 MontaVista Software Inc.
+ *	PPC405 modifications
+ * 	Author: MontaVista Software, Inc.
+ *         	frank_rowand@mvista.com or source@mvista.com
+ * 	   	debbie_chu@mvista.com
+ *
+ *    Module name: ppc405.h
  *
  *    Description:
- *	Macros, definitions, and data structures specific to the IBM PowerPC
- *      405GP "Walnut" evaluation board. Anything specific to the processor
- *      itself is defined elsewhere.
+ *      Macros, definitions, and data structures specific to the IBM PowerPC
+ *      based boards.
+ *
+ *      This includes:
+ *
+ *         405GP "Walnut" evaluation board
  *
  */
 
@@ -19,12 +31,37 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+/*
+ * Data structure defining board information maintained by the boot
+ * ROM on IBM's "Walnut" evaluation board. An effort has been made to
+ * keep the field names consistent with the 8xx 'bd_t' board info
+ * structures.
+ */
 
+typedef struct board_info {
+	unsigned char	 bi_s_version[4];	/* Version of this structure */
+	unsigned char	 bi_r_version[30];	/* Version of the IBM ROM */
+	unsigned int	 bi_memsize;		/* DRAM installed, in bytes */
+	unsigned char	 bi_enetaddr[6];	/* Local Ethernet MAC address */
+	unsigned char	 bi_pci_enetaddr[6];	/* PCI Ethernet MAC address */
+	unsigned int	 bi_procfreq;		/* Processor speed, in Hz */
+	unsigned int	 bi_plb_busfreq;	/* PLB Bus speed, in Hz */
+	unsigned int	 bi_pci_busfreq;	/* PCI Bus speed, in Hz */
+} bd_t;
 
+/* Memory map for the IBM "Walnut" 405GP evaluation board.
+ * Generic 4xx plus RTC.
+ */
+#define WALNUT_RTC_ADDR		((uint)0xf0001000)
+#define WALNUT_RTC_SIZE		((uint)4*1024)
 
 #ifdef __cplusplus
 }
 #endif
+
+/* Generic 4xx type
+*/
+#define _MACH_4xx (_MACH_walnut)
 
 #endif /* __WALNUT_H__ */
 #endif /* __KERNEL__ */