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mips: do not use the prefetch instruction on R4K (MIPS32_R1), the ISA does not implement it

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SVN-Revision: 16771
This commit is contained in:
Felix Fietkau 2009-07-11 02:30:19 +00:00
parent 3e7d58574f
commit 877015bee9
3 changed files with 22 additions and 2 deletions
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4
target/linux/atheros/patches-2.6.30/100-board.patch
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@ -20,7 +20,7 @@
config MIPS_COBALT
bool "Cobalt Server"
select CEVT_R4K
@@ -632,6 +645,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
@@ -633,6 +646,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
endchoice
@ -30,7 +30,7 @@
source "arch/mips/jazz/Kconfig"
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -290,6 +290,13 @@ libs-$(CONFIG_MIPS_XXS1500) += arch/mips
@@ -283,6 +283,13 @@ libs-$(CONFIG_MIPS_XXS1500) += arch/mips
load-$(CONFIG_MIPS_XXS1500) += 0xffffffff80100000
#

10
target/linux/generic-2.6/patches-2.6.28/025-mips_r4k_no_prefetch.patch Normal file
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@ -0,0 +1,10 @@
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -991,7 +991,6 @@ config CPU_MIPS32_R1
bool "MIPS32 Release 1"
depends on SYS_HAS_CPU_MIPS32_R1
select CPU_HAS_LLSC
- select CPU_HAS_PREFETCH
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
help

10
target/linux/generic-2.6/patches-2.6.30/026-mips_r4k_no_prefetch.patch Normal file
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@ -0,0 +1,10 @@
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1036,7 +1036,6 @@ config CPU_MIPS32_R1
bool "MIPS32 Release 1"
depends on SYS_HAS_CPU_MIPS32_R1
select CPU_HAS_LLSC
- select CPU_HAS_PREFETCH
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
help