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Diffstat (limited to 'include/asm-mips/dec/kn03.h')
| -rw-r--r-- | include/asm-mips/dec/kn03.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/include/asm-mips/dec/kn03.h b/include/asm-mips/dec/kn03.h new file mode 100644 index 0000000..676abd1 --- /dev/null +++ b/include/asm-mips/dec/kn03.h @@ -0,0 +1,83 @@ +/* + * Hardware info about DECstation 5000/2x0 systems (otherwise known as + * 3max+) and DECsystem 5900 systems (otherwise known as bigmax) which + * differ mechanically but are otherwise identical (both are known as + * KN03). + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions + * are by courtesy of Chris Fraser. + * Copyright (C) 2000, 2002, 2003 Maciej W. Rozycki + */ +#ifndef __ASM_MIPS_DEC_KN03_H +#define __ASM_MIPS_DEC_KN03_H + +#include <asm/addrspace.h> +#include <asm/dec/ecc.h> +#include <asm/dec/ioasic_addrs.h> + +#define KN03_SLOT_BASE KSEG1ADDR(0x1f800000) + +/* + * Some port addresses... + */ +#define KN03_IOASIC_BASE (KN03_SLOT_BASE + IOASIC_IOCTL) /* I/O ASIC */ +#define KN03_RTC_BASE (KN03_SLOT_BASE + IOASIC_TOY) /* RTC */ +#define KN03_MCR_BASE (KN03_SLOT_BASE + IOASIC_MCR) /* MCR */ + + +/* + * CPU interrupt bits. + */ +#define KN03_CPU_INR_HALT 6 /* HALT button */ +#define KN03_CPU_INR_BUS 5 /* memory, I/O bus read/write errors */ +#define KN03_CPU_INR_RES_4 4 /* unused */ +#define KN03_CPU_INR_RTC 3 /* DS1287 RTC */ +#define KN03_CPU_INR_CASCADE 2 /* I/O ASIC cascade */ + +/* + * I/O ASIC interrupt bits. Star marks denote non-IRQ status bits. + */ +#define KN03_IO_INR_3MAXP 15 /* (*) 3max+/bigmax ID */ +#define KN03_IO_INR_NVRAM 14 /* (*) NVRAM clear jumper */ +#define KN03_IO_INR_TC2 13 /* TURBOchannel slot #2 */ +#define KN03_IO_INR_TC1 12 /* TURBOchannel slot #1 */ +#define KN03_IO_INR_TC0 11 /* TURBOchannel slot #0 */ +#define KN03_IO_INR_NRMOD 10 /* (*) NRMOD manufacturing jumper */ +#define KN03_IO_INR_ASC 9 /* ASC (NCR53C94) SCSI */ +#define KN03_IO_INR_LANCE 8 /* LANCE (Am7990) Ethernet */ +#define KN03_IO_INR_SCC1 7 /* SCC (Z85C30) serial #1 */ +#define KN03_IO_INR_SCC0 6 /* SCC (Z85C30) serial #0 */ +#define KN03_IO_INR_RTC 5 /* DS1287 RTC */ +#define KN03_IO_INR_PSU 4 /* power supply unit warning */ +#define KN03_IO_INR_RES_3 3 /* unused */ +#define KN03_IO_INR_ASC_DATA 2 /* SCSI data ready (for PIO) */ +#define KN03_IO_INR_PBNC 1 /* ~HALT button debouncer */ +#define KN03_IO_INR_PBNO 0 /* HALT button debouncer */ + + +/* + * Memory Control Register bits. + */ +#define KN03_MCR_RES_16 (0xffff<<16) /* unused */ +#define KN03_MCR_DIAGCHK (1<<15) /* diagn/norml ECC reads */ +#define KN03_MCR_DIAGGEN (1<<14) /* diagn/norml ECC writes */ +#define KN03_MCR_CORRECT (1<<13) /* ECC correct/check */ +#define KN03_MCR_RES_11 (0x3<<12) /* unused */ +#define KN03_MCR_BNK32M (1<<10) /* 32M/8M stride */ +#define KN03_MCR_RES_7 (0x7<<7) /* unused */ +#define KN03_MCR_CHECK (0x7f<<0) /* diagnostic check bits */ + +/* + * I/O ASIC System Support Register bits. + */ +#define KN03_IO_SSR_TXDIS1 (1<<14) /* SCC1 transmit disable */ +#define KN03_IO_SSR_TXDIS0 (1<<13) /* SCC0 transmit disable */ +#define KN03_IO_SSR_RES_12 (1<<12) /* unused */ + +#define KN03_IO_SSR_LEDS (0xff<<0) /* ~diagnostic LEDs */ + +#endif /* __ASM_MIPS_DEC_KN03_H */ |
