[PATCH 04/12] MIPS: Remove MIPS4K_ICACHE_REFILL_WAR and MIPS_CACHE_SYNC_WAR
From: Thomas Bogendoerfer
Date: Mon Aug 24 2020 - 13:32:41 EST
Neither MIPS4K_ICACHE_REFILL_WAR nor MIPS_CACHE_SYNC_WAR are implemented,
so removing defines for it won't change anything.
Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
---
arch/mips/include/asm/mach-cavium-octeon/war.h | 2 --
arch/mips/include/asm/mach-generic/war.h | 2 --
arch/mips/include/asm/mach-ip22/war.h | 2 --
arch/mips/include/asm/mach-ip27/war.h | 2 --
arch/mips/include/asm/mach-ip28/war.h | 2 --
arch/mips/include/asm/mach-ip30/war.h | 2 --
arch/mips/include/asm/mach-ip32/war.h | 2 --
arch/mips/include/asm/mach-malta/war.h | 2 --
arch/mips/include/asm/mach-rc32434/war.h | 2 --
arch/mips/include/asm/mach-rm/war.h | 2 --
arch/mips/include/asm/mach-sibyte/war.h | 2 --
arch/mips/include/asm/mach-tx49xx/war.h | 2 --
arch/mips/include/asm/war.h | 35 --------------------------
13 files changed, 59 deletions(-)
diff --git a/arch/mips/include/asm/mach-cavium-octeon/war.h b/arch/mips/include/asm/mach-cavium-octeon/war.h
index 4bc396d0fdd9..5826fbf4d3a2 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/war.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/war.h
@@ -11,8 +11,6 @@
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 0
#define R10000_LLSC_WAR 0
diff --git a/arch/mips/include/asm/mach-generic/war.h b/arch/mips/include/asm/mach-generic/war.h
index 4d46a880b832..11b1f5e41af0 100644
--- a/arch/mips/include/asm/mach-generic/war.h
+++ b/arch/mips/include/asm/mach-generic/war.h
@@ -10,8 +10,6 @@
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 0
#define R10000_LLSC_WAR 0
diff --git a/arch/mips/include/asm/mach-ip22/war.h b/arch/mips/include/asm/mach-ip22/war.h
index a5a1c41df74e..e47a7e186ed2 100644
--- a/arch/mips/include/asm/mach-ip22/war.h
+++ b/arch/mips/include/asm/mach-ip22/war.h
@@ -10,8 +10,6 @@
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 0
#define R10000_LLSC_WAR 0
diff --git a/arch/mips/include/asm/mach-ip27/war.h b/arch/mips/include/asm/mach-ip27/war.h
index 5891d506cffd..f3c5cc8ff2bc 100644
--- a/arch/mips/include/asm/mach-ip27/war.h
+++ b/arch/mips/include/asm/mach-ip27/war.h
@@ -10,8 +10,6 @@
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 0
#define R10000_LLSC_WAR 1
diff --git a/arch/mips/include/asm/mach-ip28/war.h b/arch/mips/include/asm/mach-ip28/war.h
index 346fc567ebb3..f867697a1793 100644
--- a/arch/mips/include/asm/mach-ip28/war.h
+++ b/arch/mips/include/asm/mach-ip28/war.h
@@ -10,8 +10,6 @@
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 0
#define R10000_LLSC_WAR 1
diff --git a/arch/mips/include/asm/mach-ip30/war.h b/arch/mips/include/asm/mach-ip30/war.h
index f887a0a53e18..acda1ee3fb62 100644
--- a/arch/mips/include/asm/mach-ip30/war.h
+++ b/arch/mips/include/asm/mach-ip30/war.h
@@ -7,8 +7,6 @@
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 0
#ifdef CONFIG_CPU_R10000
diff --git a/arch/mips/include/asm/mach-ip32/war.h b/arch/mips/include/asm/mach-ip32/war.h
index 980dbd34355c..ca381798f6ab 100644
--- a/arch/mips/include/asm/mach-ip32/war.h
+++ b/arch/mips/include/asm/mach-ip32/war.h
@@ -10,8 +10,6 @@
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 1
#define R10000_LLSC_WAR 0
diff --git a/arch/mips/include/asm/mach-malta/war.h b/arch/mips/include/asm/mach-malta/war.h
index 29f56803e3e5..d22ca4a3ec72 100644
--- a/arch/mips/include/asm/mach-malta/war.h
+++ b/arch/mips/include/asm/mach-malta/war.h
@@ -10,8 +10,6 @@
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 1
-#define MIPS_CACHE_SYNC_WAR 1
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 1
#define R10000_LLSC_WAR 0
diff --git a/arch/mips/include/asm/mach-rc32434/war.h b/arch/mips/include/asm/mach-rc32434/war.h
index 749787bb6c8e..fccf25dcc26f 100644
--- a/arch/mips/include/asm/mach-rc32434/war.h
+++ b/arch/mips/include/asm/mach-rc32434/war.h
@@ -10,8 +10,6 @@
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 1
-#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 0
#define R10000_LLSC_WAR 0
diff --git a/arch/mips/include/asm/mach-rm/war.h b/arch/mips/include/asm/mach-rm/war.h
index aded634ccb01..556e0223e60b 100644
--- a/arch/mips/include/asm/mach-rm/war.h
+++ b/arch/mips/include/asm/mach-rm/war.h
@@ -10,8 +10,6 @@
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 0
#define R10000_LLSC_WAR 0
diff --git a/arch/mips/include/asm/mach-sibyte/war.h b/arch/mips/include/asm/mach-sibyte/war.h
index 78fd2ad4930b..0e18f0753407 100644
--- a/arch/mips/include/asm/mach-sibyte/war.h
+++ b/arch/mips/include/asm/mach-sibyte/war.h
@@ -24,8 +24,6 @@ extern int sb1250_m3_workaround_needed(void);
#endif
-#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 0
#define R10000_LLSC_WAR 0
diff --git a/arch/mips/include/asm/mach-tx49xx/war.h b/arch/mips/include/asm/mach-tx49xx/war.h
index 0b1666e0391a..7019ddc4c68d 100644
--- a/arch/mips/include/asm/mach-tx49xx/war.h
+++ b/arch/mips/include/asm/mach-tx49xx/war.h
@@ -10,8 +10,6 @@
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 1
#define ICACHE_REFILLS_WORKAROUND_WAR 0
#define R10000_LLSC_WAR 0
diff --git a/arch/mips/include/asm/war.h b/arch/mips/include/asm/war.h
index 37092c2c68e1..590bf2b16b33 100644
--- a/arch/mips/include/asm/war.h
+++ b/arch/mips/include/asm/war.h
@@ -93,41 +93,6 @@
#error Check setting of SIBYTE_1956_WAR for your platform
#endif
-/*
- * Fill buffers not flushed on CACHE instructions
- *
- * Hit_Invalidate_I cacheops invalidate an icache line but the refill
- * for that line can get stale data from the fill buffer instead of
- * accessing memory if the previous icache miss was also to that line.
- *
- * Workaround: generate an icache refill from a different line
- *
- * Affects:
- * MIPS 4K RTL revision <3.0, PRID revision <4
- */
-#ifndef MIPS4K_ICACHE_REFILL_WAR
-#error Check setting of MIPS4K_ICACHE_REFILL_WAR for your platform
-#endif
-
-/*
- * Missing implicit forced flush of evictions caused by CACHE
- * instruction
- *
- * Evictions caused by a CACHE instructions are not forced on to the
- * bus. The BIU gives higher priority to fetches than to the data from
- * the eviction buffer and no collision detection is performed between
- * fetches and pending data from the eviction buffer.
- *
- * Workaround: Execute a SYNC instruction after the cache instruction
- *
- * Affects:
- * MIPS 5Kc,5Kf RTL revision <2.3, PRID revision <8
- * MIPS 20Kc RTL revision <4.0, PRID revision <?
- */
-#ifndef MIPS_CACHE_SYNC_WAR
-#error Check setting of MIPS_CACHE_SYNC_WAR for your platform
-#endif
-
/*
* From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
* the line which this instruction itself exists, the following
--
2.16.4