linux/ar71xx: add preliminary 2.6.37 kernel support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23944 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/ar71xx/patches-2.6.37/001-ar71xx_core.patch

@@ -0,0 +1,50 @@
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -161,6 +161,13 @@ cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -W
+ endif
+ cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
+ 
++#
++# Atheros AR71xx
++#
++core-$(CONFIG_ATHEROS_AR71XX)	+= arch/mips/ar71xx/
++cflags-$(CONFIG_ATHEROS_AR71XX)	+= -I$(srctree)/arch/mips/include/asm/mach-ar71xx
++load-$(CONFIG_ATHEROS_AR71XX)	+= 0xffffffff80060000
++
+ cflags-$(CONFIG_CPU_R4000_WORKAROUNDS)	+= $(call cc-option,-mfix-r4000,)
+ cflags-$(CONFIG_CPU_R4400_WORKAROUNDS)	+= $(call cc-option,-mfix-r4400,)
+ cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS)	+= $(call cc-option,-mno-daddi,)
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -63,6 +63,23 @@ config AR7
+ 	  Support for the Texas Instruments AR7 System-on-a-Chip
+ 	  family: TNETD7100, 7200 and 7300.
+ 
++config ATHEROS_AR71XX
++	bool "Atheros AR71xx based boards"
++	select CEVT_R4K
++	select CSRC_R4K
++	select DMA_NONCOHERENT
++	select HW_HAS_PCI
++	select IRQ_CPU
++	select ARCH_REQUIRE_GPIOLIB
++	select SYS_HAS_CPU_MIPS32_R1
++	select SYS_HAS_CPU_MIPS32_R2
++	select SYS_SUPPORTS_32BIT_KERNEL
++	select SYS_SUPPORTS_BIG_ENDIAN
++	select SYS_HAS_EARLY_PRINTK
++	select MIPS_MACHINE
++	help
++	  Support for Atheros AR71xx based boards.
++
+ config BCM47XX
+ 	bool "Broadcom BCM47XX based boards"
+ 	select CEVT_R4K
+@@ -715,6 +732,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
+ endchoice
+ 
+ source "arch/mips/alchemy/Kconfig"
++source "arch/mips/ar71xx/Kconfig"
+ source "arch/mips/bcm63xx/Kconfig"
+ source "arch/mips/jazz/Kconfig"
+ source "arch/mips/jz4740/Kconfig"