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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/configs/db1100_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/configs/db1100_defconfig')
-rw-r--r--arch/mips/configs/db1100_defconfig4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/mips/configs/db1100_defconfig b/arch/mips/configs/db1100_defconfig
index 529e6ebe2a8d..d86dedf27fc4 100644
--- a/arch/mips/configs/db1100_defconfig
+++ b/arch/mips/configs/db1100_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 21:27:39 2007 4# Tue Feb 20 21:47:24 2007
5# 5#
6CONFIG_MIPS=y 6CONFIG_MIPS=y
7 7
@@ -537,6 +537,7 @@ CONFIG_MTD_ALCHEMY=y
537# 537#
538# Plug and Play support 538# Plug and Play support
539# 539#
540# CONFIG_PNPACPI is not set
540 541
541# 542#
542# Block devices 543# Block devices
@@ -1103,6 +1104,7 @@ CONFIG_ENABLE_MUST_CHECK=y
1103CONFIG_LOG_BUF_SHIFT=14 1104CONFIG_LOG_BUF_SHIFT=14
1104CONFIG_CROSSCOMPILE=y 1105CONFIG_CROSSCOMPILE=y
1105CONFIG_CMDLINE="" 1106CONFIG_CMDLINE=""
1107CONFIG_SYS_SUPPORTS_KGDB=y
1106 1108
1107# 1109#
1108# Security options 1110# Security options