diff options
author | Maciej W. Rozycki <macro@linux-mips.org> | 2005-06-22 20:56:26 (GMT) |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 18:31:30 (GMT) |
commit | 64dac503e8265007ea5c53b4d6bf42488a8a8d7a (patch) | |
tree | d086e5ddd6d36118b476ed0fe01091d9d4d70cec /include/asm-mips/dec | |
parent | 3b2396d972ce030e942fef9fcbea1e411b1a62db (diff) | |
download | linux-64dac503e8265007ea5c53b4d6bf42488a8a8d7a.tar.xz |
System-specific handling of bus errors for DECstation variations
supporting parity errors only for memory (Pmax/3min/Maxine).
Fixes for resources decoded by the KN04/KN05 MB ASIC. Additional
clean-ups for the ECC handler.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/dec')
-rw-r--r-- | include/asm-mips/dec/ecc.h | 3 | ||||
-rw-r--r-- | include/asm-mips/dec/kn01.h | 20 | ||||
-rw-r--r-- | include/asm-mips/dec/kn02.h | 19 | ||||
-rw-r--r-- | include/asm-mips/dec/kn02xa.h | 24 | ||||
-rw-r--r-- | include/asm-mips/dec/kn05.h | 77 |
5 files changed, 92 insertions, 51 deletions
diff --git a/include/asm-mips/dec/ecc.h b/include/asm-mips/dec/ecc.h index 724908b..19495a4 100644 --- a/include/asm-mips/dec/ecc.h +++ b/include/asm-mips/dec/ecc.h @@ -49,7 +49,8 @@ struct pt_regs; extern void dec_ecc_be_init(void); extern int dec_ecc_be_handler(struct pt_regs *regs, int is_fixup); -extern irqreturn_t dec_ecc_be_interrupt(int irq, void *dev_id, struct pt_regs *regs); +extern irqreturn_t dec_ecc_be_interrupt(int irq, void *dev_id, + struct pt_regs *regs); #endif #endif /* __ASM_MIPS_DEC_ECC_H */ diff --git a/include/asm-mips/dec/kn01.h b/include/asm-mips/dec/kn01.h index 325fcbb..607a385 100644 --- a/include/asm-mips/dec/kn01.h +++ b/include/asm-mips/dec/kn01.h @@ -8,7 +8,7 @@ * * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions * are by courtesy of Chris Fraser. - * Copyright (C) 2002, 2003 Maciej W. Rozycki + * Copyright (C) 2002, 2003, 2005 Maciej W. Rozycki */ #ifndef __ASM_MIPS_DEC_KN01_H #define __ASM_MIPS_DEC_KN01_H @@ -80,4 +80,22 @@ #define KN01_CSR_VRGTRB (1<<0) /* red DAC voltage over blue (r/o) */ #define KN01_CSR_LEDS (0xff<<0) /* ~diagnostic LEDs (w/o) */ + +#ifndef __ASSEMBLY__ + +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/types.h> + +struct pt_regs; + +extern u16 cached_kn01_csr; +extern spinlock_t kn01_lock; + +extern void dec_kn01_be_init(void); +extern int dec_kn01_be_handler(struct pt_regs *regs, int is_fixup); +extern irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id, + struct pt_regs *regs); +#endif + #endif /* __ASM_MIPS_DEC_KN01_H */ diff --git a/include/asm-mips/dec/kn02.h b/include/asm-mips/dec/kn02.h index 2c935f9..83a042e 100644 --- a/include/asm-mips/dec/kn02.h +++ b/include/asm-mips/dec/kn02.h @@ -8,16 +8,11 @@ * * Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions * are by courtesy of Chris Fraser. - * Copyright (C) 2002, 2003 Maciej W. Rozycki + * Copyright (C) 2002, 2003, 2005 Maciej W. Rozycki */ #ifndef __ASM_MIPS_DEC_KN02_H #define __ASM_MIPS_DEC_KN02_H -#ifndef __ASSEMBLY__ -#include <linux/spinlock.h> -#include <linux/types.h> -#endif - #include <asm/addrspace.h> #include <asm/dec/ecc.h> @@ -53,8 +48,8 @@ #define KN02_CSR_PSU (1<<27) /* power supply unit warning */ #define KN02_CSR_NVRAM (1<<26) /* ~NVRAM clear jumper */ #define KN02_CSR_REFEVEN (1<<25) /* mem refresh bank toggle */ -#define KN03_CSR_NRMOD (1<<24) /* ~NRMOD manufact. jumper */ -#define KN03_CSR_IOINTEN (0xff<<16) /* IRQ mask bits */ +#define KN02_CSR_NRMOD (1<<24) /* ~NRMOD manufact. jumper */ +#define KN02_CSR_IOINTEN (0xff<<16) /* IRQ mask bits */ #define KN02_CSR_DIAGCHK (1<<15) /* diagn/norml ECC reads */ #define KN02_CSR_DIAGGEN (1<<14) /* diagn/norml ECC writes */ #define KN02_CSR_CORRECT (1<<13) /* ECC correct/check */ @@ -63,8 +58,8 @@ #define KN02_CSR_BNK32M (1<<10) /* 32M/8M stride */ #define KN02_CSR_DIAGDN (1<<9) /* DIAGDN manufact. jumper */ #define KN02_CSR_BAUD38 (1<<8) /* DZ11 38/19kbps ext. rate */ -#define KN03_CSR_IOINT (0xff<<0) /* IRQ status bits (r/o) */ -#define KN03_CSR_LEDS (0xff<<0) /* ~diagnostic LEDs (w/o) */ +#define KN02_CSR_IOINT (0xff<<0) /* IRQ status bits (r/o) */ +#define KN02_CSR_LEDS (0xff<<0) /* ~diagnostic LEDs (w/o) */ /* @@ -98,6 +93,10 @@ #ifndef __ASSEMBLY__ + +#include <linux/spinlock.h> +#include <linux/types.h> + extern u32 cached_kn02_csr; extern spinlock_t kn02_lock; extern void init_kn02_irqs(int base); diff --git a/include/asm-mips/dec/kn02xa.h b/include/asm-mips/dec/kn02xa.h index f6bdf73..3c25a33 100644 --- a/include/asm-mips/dec/kn02xa.h +++ b/include/asm-mips/dec/kn02xa.h @@ -9,7 +9,7 @@ * * 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 + * Copyright (C) 2000, 2002, 2003, 2005 Maciej W. Rozycki * * These are addresses which have to be known early in the boot process. * For other addresses refer to tc.h, ioasic_addrs.h and friends. @@ -52,8 +52,13 @@ #define KN02XA_MER_PAGERR (1<<16) /* 2k page boundary error */ #define KN02XA_MER_TRANSERR (1<<15) /* transfer length error */ #define KN02XA_MER_PARDIS (1<<14) /* parity error disable */ -#define KN02XA_MER_RES_12 (0x3<<12) /* unused */ -#define KN02XA_MER_BYTERR (0xf<<8) /* byte lane error bitmask */ +#define KN02XA_MER_SIZE (1<<13) /* r/o mirror of MSR_SIZE */ +#define KN02XA_MER_RES_12 (1<<12) /* unused */ +#define KN02XA_MER_BYTERR (0xf<<8) /* byte lane error bitmask: */ +#define KN02XA_MER_BYTERR_3 (0x8<<8) /* byte lane #3 */ +#define KN02XA_MER_BYTERR_2 (0x4<<8) /* byte lane #2 */ +#define KN02XA_MER_BYTERR_1 (0x2<<8) /* byte lane #1 */ +#define KN02XA_MER_BYTERR_0 (0x1<<8) /* byte lane #0 */ #define KN02XA_MER_RES_0 (0xff<<0) /* unused */ /* @@ -72,4 +77,17 @@ #define KN02XA_EAR_ADDRESS (0x7ffffff<<2) /* address involved */ #define KN02XA_EAR_RES_0 (0x3<<0) /* unused */ + +#ifndef __ASSEMBLY__ + +#include <linux/interrupt.h> + +struct pt_regs; + +extern void dec_kn02xa_be_init(void); +extern int dec_kn02xa_be_handler(struct pt_regs *regs, int is_fixup); +extern irqreturn_t dec_kn02xa_be_interrupt(int irq, void *dev_id, + struct pt_regs *regs); +#endif + #endif /* __ASM_MIPS_DEC_KN02XA_H */ diff --git a/include/asm-mips/dec/kn05.h b/include/asm-mips/dec/kn05.h index b120362..61feac3 100644 --- a/include/asm-mips/dec/kn05.h +++ b/include/asm-mips/dec/kn05.h @@ -1,10 +1,12 @@ /* * include/asm-mips/dec/kn05.h * - * DECstation 5000/260 (4max+ or KN05) and DECsystem 5900/260 + * DECstation/DECsystem 5000/260 (4max+ or KN05), 5000/150 (4min + * or KN04-BA), Personal DECstation/DECsystem 5000/50 (4maxine or + * KN04-CA) and DECsystem 5900/260 (KN05) R4k CPU card MB ASIC * definitions. * - * Copyright (C) 2002, 2003 Maciej W. Rozycki + * Copyright (C) 2002, 2003, 2005 Maciej W. Rozycki * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -13,59 +15,62 @@ * * WARNING! All this information is pure guesswork based on the * ROM. It is provided here in hope it will give someone some - * food for thought. No documentation for the KN05 module has - * been located so far. + * food for thought. No documentation for the KN05 nor the KN04 + * module has been located so far. */ #ifndef __ASM_MIPS_DEC_KN05_H #define __ASM_MIPS_DEC_KN05_H +#include <asm/addrspace.h> #include <asm/dec/ioasic_addrs.h> /* * The oncard MB (Memory Buffer) ASIC provides an additional address * decoder. Certain address ranges within the "high" 16 slots are - * passed to the I/O ASIC's decoder like with the KN03. Others are - * handled locally. "Low" slots are always passed. + * passed to the I/O ASIC's decoder like with the KN03 or KN02-BA/CA. + * Others are handled locally. "Low" slots are always passed. */ -#define KN05_MB_ROM (16*IOASIC_SLOT_SIZE) /* KN05 card ROM */ -#define KN05_IOCTL (17*IOASIC_SLOT_SIZE) /* I/O ASIC */ -#define KN05_ESAR (18*IOASIC_SLOT_SIZE) /* LANCE MAC address chip */ -#define KN05_LANCE (19*IOASIC_SLOT_SIZE) /* LANCE Ethernet */ -#define KN05_MB_INT (20*IOASIC_SLOT_SIZE) /* MB interrupt register */ -#define KN05_MB_EA (21*IOASIC_SLOT_SIZE) /* MB error address? */ -#define KN05_MB_EC (22*IOASIC_SLOT_SIZE) /* MB error ??? */ -#define KN05_MB_CSR (23*IOASIC_SLOT_SIZE) /* MB control & status */ -#define KN05_RES_24 (24*IOASIC_SLOT_SIZE) /* unused? */ -#define KN05_RES_25 (25*IOASIC_SLOT_SIZE) /* unused? */ -#define KN05_RES_26 (26*IOASIC_SLOT_SIZE) /* unused? */ -#define KN05_RES_27 (27*IOASIC_SLOT_SIZE) /* unused? */ -#define KN05_SCSI (28*IOASIC_SLOT_SIZE) /* ASC SCSI */ -#define KN05_RES_29 (29*IOASIC_SLOT_SIZE) /* unused? */ -#define KN05_RES_30 (30*IOASIC_SLOT_SIZE) /* unused? */ -#define KN05_RES_31 (31*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_SLOT_BASE KSEG1ADDR(0x1fc00000) + +#define KN4K_MB_ROM (0*IOASIC_SLOT_SIZE) /* KN05/KN04 card ROM */ +#define KN4K_IOCTL (1*IOASIC_SLOT_SIZE) /* I/O ASIC */ +#define KN4K_ESAR (2*IOASIC_SLOT_SIZE) /* LANCE MAC address chip */ +#define KN4K_LANCE (3*IOASIC_SLOT_SIZE) /* LANCE Ethernet */ +#define KN4K_MB_INT (4*IOASIC_SLOT_SIZE) /* MB interrupt register */ +#define KN4K_MB_EA (5*IOASIC_SLOT_SIZE) /* MB error address? */ +#define KN4K_MB_EC (6*IOASIC_SLOT_SIZE) /* MB error ??? */ +#define KN4K_MB_CSR (7*IOASIC_SLOT_SIZE) /* MB control & status */ +#define KN4K_RES_08 (8*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_RES_09 (9*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_RES_10 (10*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_RES_11 (11*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_SCSI (12*IOASIC_SLOT_SIZE) /* ASC SCSI */ +#define KN4K_RES_13 (13*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_RES_14 (14*IOASIC_SLOT_SIZE) /* unused? */ +#define KN4K_RES_15 (15*IOASIC_SLOT_SIZE) /* unused? */ /* * Bits for the MB interrupt register. * The register appears read-only. */ -#define KN05_MB_INT_TC (1<<0) /* TURBOchannel? */ -#define KN05_MB_INT_RTC (1<<1) /* RTC? */ -#define KN05_MB_INT_MT (1<<3) /* ??? */ +#define KN4K_MB_INT_TC (1<<0) /* TURBOchannel? */ +#define KN4K_MB_INT_RTC (1<<1) /* RTC? */ +#define KN4K_MB_INT_MT (1<<3) /* ??? */ /* * Bits for the MB control & status register. * Set to 0x00bf8001 on my system by the ROM. */ -#define KN05_MB_CSR_PF (1<<0) /* PreFetching enable? */ -#define KN05_MB_CSR_F (1<<1) /* ??? */ -#define KN05_MB_CSR_ECC (0xff<<2) /* ??? */ -#define KN05_MB_CSR_OD (1<<10) /* ??? */ -#define KN05_MB_CSR_CP (1<<11) /* ??? */ -#define KN05_MB_CSR_UNC (1<<12) /* ??? */ -#define KN05_MB_CSR_IM (1<<13) /* ??? */ -#define KN05_MB_CSR_NC (1<<14) /* ??? */ -#define KN05_MB_CSR_EE (1<<15) /* (bus) Exception Enable? */ -#define KN05_MB_CSR_MSK (0x1f<<16) /* ??? */ -#define KN05_MB_CSR_FW (1<<21) /* ??? */ +#define KN4K_MB_CSR_PF (1<<0) /* PreFetching enable? */ +#define KN4K_MB_CSR_F (1<<1) /* ??? */ +#define KN4K_MB_CSR_ECC (0xff<<2) /* ??? */ +#define KN4K_MB_CSR_OD (1<<10) /* ??? */ +#define KN4K_MB_CSR_CP (1<<11) /* ??? */ +#define KN4K_MB_CSR_UNC (1<<12) /* ??? */ +#define KN4K_MB_CSR_IM (1<<13) /* ??? */ +#define KN4K_MB_CSR_NC (1<<14) /* ??? */ +#define KN4K_MB_CSR_EE (1<<15) /* (bus) Exception Enable? */ +#define KN4K_MB_CSR_MSK (0x1f<<16) /* ??? */ +#define KN4K_MB_CSR_FW (1<<21) /* ??? */ #endif /* __ASM_MIPS_DEC_KN05_H */ |