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+/*
+ *
+ * Copyright (c) 1999 Grant Erickson <grant@lcse.umn.edu>
+ *
+ * Module name: oak.h
+ *
+ * Description:
+ * Macros, definitions, and data structures specific to the IBM PowerPC
+ * 403G{A,B,C,CX} "Oak" evaluation board. Anything specific to the pro-
+ * cessor itself is defined elsewhere.
+ *
+ */
+
+#ifdef __KERNEL__
+#ifndef __ASM_OAK_H__
+#define __ASM_OAK_H__
+
+/* We have an IBM 403G{A,B,C,CX} core */
+#include <asm/ibm403.h>
+
+#define _IO_BASE 0
+#define _ISA_MEM_BASE 0
+#define PCI_DRAM_OFFSET 0
+
+/* Memory map for the "Oak" evaluation board */
+
+#define PPC403SPU_IO_BASE 0x40000000 /* 403 On-chip serial port */
+#define PPC403SPU_IO_SIZE 0x00000008
+#define OAKSERIAL_IO_BASE 0x7E000000 /* NS16550DV serial port */
+#define OAKSERIAL_IO_SIZE 0x00000008
+#define OAKNET_IO_BASE 0xF4000000 /* NS83902AV Ethernet */
+#define OAKNET_IO_SIZE 0x00000040
+#define OAKPROM_IO_BASE 0xFFFE0000 /* AMD 29F010 Flash ROM */
+#define OAKPROM_IO_SIZE 0x00020000
+
+
+/* Interrupt assignments fixed by the hardware implementation */
+
+/* This is annoying kbuild-2.4 problem. -- Tom */
+
+#define PPC403SPU_RX_INT 4 /* AIC_INT4 */
+#define PPC403SPU_TX_INT 5 /* AIC_INT5 */
+#define OAKNET_INT 27 /* AIC_INT27 */
+#define OAKSERIAL_INT 28 /* AIC_INT28 */
+
+#ifndef __ASSEMBLY__
+/*
+ * Data structure defining board information maintained by the boot
+ * ROM on IBM's "Oak" 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]; /* Ethernet MAC address */
+ unsigned int bi_intfreq; /* Processor speed, in Hz */
+ unsigned int bi_busfreq; /* Bus speed, in Hz */
+} bd_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void oak_init(unsigned long r3,
+ unsigned long ird_start,
+ unsigned long ird_end,
+ unsigned long cline_start,
+ unsigned long cline_end);
+extern void oak_setup_arch(void);
+extern int oak_setup_residual(char *buffer);
+extern void oak_init_IRQ(void);
+extern int oak_get_irq(struct pt_regs *regs);
+extern void oak_restart(char *cmd);
+extern void oak_power_off(void);
+extern void oak_halt(void);
+extern void oak_time_init(void);
+extern int oak_set_rtc_time(unsigned long now);
+extern unsigned long oak_get_rtc_time(void);
+extern void oak_calibrate_decr(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+/* Some 4xx parts use a different timebase frequency from the internal clock.
+*/
+#define bi_tbfreq bi_intfreq
+
+#define PPC4xx_MACHINE_NAME "IBM Oak"
+
+#endif /* !__ASSEMBLY__ */
+#endif /* __ASM_OAK_H__ */
+#endif /* __KERNEL__ */
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