diff options
Diffstat (limited to 'include/asm-mips/war.h')
| -rw-r--r-- | include/asm-mips/war.h | 127 |
1 files changed, 30 insertions, 97 deletions
diff --git a/include/asm-mips/war.h b/include/asm-mips/war.h index c0715d0a6b28..d2808edfd4e9 100644 --- a/include/asm-mips/war.h +++ b/include/asm-mips/war.h @@ -3,20 +3,22 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2002, 2004 by Ralf Baechle + * Copyright (C) 2002, 2004, 2007 by Ralf Baechle */ #ifndef _ASM_WAR_H #define _ASM_WAR_H +#include <war.h> /* * Another R4600 erratum. Due to the lack of errata information the exact * technical details aren't known. I've experimentally found that disabling * interrupts during indexed I-cache flushes seems to be sufficient to deal * with the issue. - * - * #define R4600_V1_INDEX_ICACHEOP_WAR 1 */ +#ifndef R4600_V1_INDEX_ICACHEOP_WAR +#error Check setting of R4600_V1_INDEX_ICACHEOP_WAR for your platform +#endif /* * Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata: @@ -43,9 +45,10 @@ * nop * nop * cache Hit_Writeback_Invalidate_D - * - * #define R4600_V1_HIT_CACHEOP_WAR 1 */ +#ifndef R4600_V1_HIT_CACHEOP_WAR +#error Check setting of R4600_V1_HIT_CACHEOP_WAR for your platform +#endif /* @@ -58,32 +61,11 @@ * by a load instruction to an uncached address to empty the response buffer." * (Revision 2.0 device errata from IDT available on http://www.idt.com/ * in .pdf format.) - * - * #define R4600_V2_HIT_CACHEOP_WAR 1 - */ - -/* - * R4600 CPU modules for the Indy come with both V1.7 and V2.0 processors. - */ -#ifdef CONFIG_SGI_IP22 - -#define R4600_V1_INDEX_ICACHEOP_WAR 1 -#define R4600_V1_HIT_CACHEOP_WAR 1 -#define R4600_V2_HIT_CACHEOP_WAR 1 - -#endif - -/* - * But the RM200C seems to have been shipped only with V2.0 R4600s */ -#ifdef CONFIG_SNI_RM - -#define R4600_V2_HIT_CACHEOP_WAR 1 - +#ifndef R4600_V2_HIT_CACHEOP_WAR +#error Check setting of R4600_V2_HIT_CACHEOP_WAR for your platform #endif -#ifdef CONFIG_CPU_R5432 - /* * When an interrupt happens on a CP0 register read instruction, CPU may * lock up or read corrupted values of CP0 registers after it enters @@ -93,13 +75,10 @@ * first thing in the exception handler, which breaks one of the * pre-conditions for this problem. */ -#define R5432_CP0_INTERRUPT_WAR 1 - +#ifndef R5432_CP0_INTERRUPT_WAR +#error Check setting of R5432_CP0_INTERRUPT_WAR for your platform #endif -#if defined(CONFIG_SB1_PASS_1_WORKAROUNDS) || \ - defined(CONFIG_SB1_PASS_2_WORKAROUNDS) - /* * Workaround for the Sibyte M3 errata the text of which can be found at * @@ -110,13 +89,15 @@ * will just return and take the exception again if the information was * found to be inconsistent. */ -#define BCM1250_M3_WAR 1 +#ifndef BCM1250_M3_WAR +#error Check setting of BCM1250_M3_WAR for your platform +#endif /* * This is a DUART workaround related to glitches around register accesses */ -#define SIBYTE_1956_WAR 1 - +#ifndef SIBYTE_1956_WAR +#error Check setting of SIBYTE_1956_WAR for your platform #endif /* @@ -131,9 +112,8 @@ * Affects: * MIPS 4K RTL revision <3.0, PRID revision <4 */ -#if defined(CONFIG_MIPS_MALTA) || defined(CONFIG_MIPS_ATLAS) || \ - defined(CONFIG_MIPS_SEAD) -#define MIPS4K_ICACHE_REFILL_WAR 1 +#ifndef MIPS4K_ICACHE_REFILL_WAR +#error Check setting of MIPS4K_ICACHE_REFILL_WAR for your platform #endif /* @@ -151,9 +131,8 @@ * MIPS 5Kc,5Kf RTL revision <2.3, PRID revision <8 * MIPS 20Kc RTL revision <4.0, PRID revision <? */ -#if defined(CONFIG_MIPS_MALTA) || defined(CONFIG_MIPS_ATLAS) || \ - defined(CONFIG_MIPS_SEAD) -#define MIPS_CACHE_SYNC_WAR 1 +#ifndef MIPS_CACHE_SYNC_WAR +#error Check setting of MIPS_CACHE_SYNC_WAR for your platform #endif /* @@ -163,16 +142,16 @@ * * Workaround: do two phase flushing for Index_Invalidate_I */ -#ifdef CONFIG_CPU_TX49XX -#define TX49XX_ICACHE_INDEX_INV_WAR 1 +#ifndef TX49XX_ICACHE_INDEX_INV_WAR +#error Check setting of TX49XX_ICACHE_INDEX_INV_WAR for your platform #endif /* * On the RM9000 there is a problem which makes the CreateDirtyExclusive * eache operation unusable on SMP systems. */ -#if defined(CONFIG_PMC_YOSEMITE) || defined(CONFIG_BASLER_EXCITE) -#define RM9000_CDEX_SMP_WAR 1 +#ifndef RM9000_CDEX_SMP_WAR +#error Check setting of RM9000_CDEX_SMP_WAR for your platform #endif /* @@ -181,69 +160,23 @@ * I-cache line worth of instructions being fetched may case spurious * exceptions. */ -#if defined(CONFIG_BASLER_EXCITE) || defined(CONFIG_MIPS_ATLAS) || \ - defined(CONFIG_MIPS_MALTA) || defined(CONFIG_PMC_YOSEMITE) || \ - defined(CONFIG_SGI_IP32) || defined(CONFIG_WR_PPMC) -#define ICACHE_REFILLS_WORKAROUND_WAR 1 +#ifndef ICACHE_REFILLS_WORKAROUND_WAR +#error Check setting of ICACHE_REFILLS_WORKAROUND_WAR for your platform #endif /* * On the R10000 upto version 2.6 (not sure about 2.7) there is a bug that * may cause ll / sc and lld / scd sequences to execute non-atomically. */ -#ifdef CONFIG_SGI_IP27 -#define R10000_LLSC_WAR 1 +#ifndef R10000_LLSC_WAR +#error Check setting of R10000_LLSC_WAR for your platform #endif /* * 34K core erratum: "Problems Executing the TLBR Instruction" */ -#if defined(CONFIG_PMC_MSP7120_EVAL) || defined(CONFIG_PMC_MSP7120_GW) || \ - defined(CONFIG_PMC_MSP7120_FPGA) -#define MIPS34K_MISSED_ITLB_WAR 1 -#endif - -/* - * Workarounds default to off - */ -#ifndef ICACHE_REFILLS_WORKAROUND_WAR -#define ICACHE_REFILLS_WORKAROUND_WAR 0 -#endif -#ifndef R4600_V1_INDEX_ICACHEOP_WAR -#define R4600_V1_INDEX_ICACHEOP_WAR 0 -#endif -#ifndef R4600_V1_HIT_CACHEOP_WAR -#define R4600_V1_HIT_CACHEOP_WAR 0 -#endif -#ifndef R4600_V2_HIT_CACHEOP_WAR -#define R4600_V2_HIT_CACHEOP_WAR 0 -#endif -#ifndef R5432_CP0_INTERRUPT_WAR -#define R5432_CP0_INTERRUPT_WAR 0 -#endif -#ifndef BCM1250_M3_WAR -#define BCM1250_M3_WAR 0 -#endif -#ifndef SIBYTE_1956_WAR -#define SIBYTE_1956_WAR 0 -#endif -#ifndef MIPS4K_ICACHE_REFILL_WAR -#define MIPS4K_ICACHE_REFILL_WAR 0 -#endif -#ifndef MIPS_CACHE_SYNC_WAR -#define MIPS_CACHE_SYNC_WAR 0 -#endif -#ifndef TX49XX_ICACHE_INDEX_INV_WAR -#define TX49XX_ICACHE_INDEX_INV_WAR 0 -#endif -#ifndef RM9000_CDEX_SMP_WAR -#define RM9000_CDEX_SMP_WAR 0 -#endif -#ifndef R10000_LLSC_WAR -#define R10000_LLSC_WAR 0 -#endif #ifndef MIPS34K_MISSED_ITLB_WAR -#define MIPS34K_MISSED_ITLB_WAR 0 +#error Check setting of MIPS34K_MISSED_ITLB_WAR for your platform #endif #endif /* _ASM_WAR_H */ |