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Diffstat (limited to 'arch/ppc/platforms/4xx/oak.h')
| -rw-r--r-- | arch/ppc/platforms/4xx/oak.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/ppc/platforms/4xx/oak.h b/arch/ppc/platforms/4xx/oak.h new file mode 100644 index 000000000000..1b86a4c66b04 --- /dev/null +++ b/arch/ppc/platforms/4xx/oak.h @@ -0,0 +1,96 @@ +/* + * + * 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__ */ |