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authorFranck Bui-Huu <fbuihuu@gmail.com>2007-02-02 11:41:47 -0500
committerRalf Baechle <ralf@linux-mips.org>2007-02-21 19:50:44 -0500
commit9693a85378b590cc7a4aa2db2174422585c7c8c4 (patch)
tree43d031f8e555d9276e68bdb158bd264c2d260346 /arch/mips/defconfig
parent9654640d0af8f2de40ff3807d3695109d3463f54 (diff)
[MIPS] Add basic SMARTMIPS ASE support
This patch adds trivial support for SMARTMIPS extension. This extension is currently implemented by 4KS[CD] CPUs. Basically it saves/restores ACX register, which is part of the SMARTMIPS ASE, when needed. This patch does *not* add any support for Smartmips MMU features. Futhermore this patch does not add explicit support for 4KS[CD] CPUs since they are respectively mips32 and mips32r2 compliant. So with the current processor configuration, a platform that has such CPUs needs to select both configs: CPU_HAS_SMARTMIPS SYS_HAS_CPU_MIPS32_R[12] This is due to the processor configuration which is mixing up all the architecture variants and the processor types. The drawback of this, is that we currently pass '-march=mips32' option to gcc when building a kernel instead of '-march=4ksc' for 4KSC case. This can lead to a kernel image a little bit bigger than required. Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/defconfig')
-rw-r--r--arch/mips/defconfig3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/mips/defconfig b/arch/mips/defconfig
index 6c2a233e36cb..8cb8f5919194 100644
--- a/arch/mips/defconfig
+++ b/arch/mips/defconfig
@@ -1,7 +1,7 @@
1# 1#
2# Automatically generated make config: don't edit 2# Automatically generated make config: don't edit
3# Linux kernel version: 2.6.20 3# Linux kernel version: 2.6.20
4# Sun Feb 18 21:27:34 2007 4# Tue Feb 20 21:47:14 2007
5# 5#
6CONFIG_MIPS=y 6CONFIG_MIPS=y
7 7
@@ -620,6 +620,7 @@ CONFIG_CONNECTOR=m
620# 620#
621# Plug and Play support 621# Plug and Play support
622# 622#
623# CONFIG_PNPACPI is not set
623 624
624# 625#
625# Block devices 626# Block devices