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diff -urN linux-2.6.23.12/arch/mips/Kconfig linux-2.6.23.12.new/arch/mips/Kconfig
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--- linux-2.6.23.12/arch/mips/Kconfig 2007-12-18 22:55:57.000000000 +0100
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+++ linux-2.6.23.12.new/arch/mips/Kconfig 2008-01-11 08:46:20.000000000 +0100
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@@ -595,6 +595,20 @@
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This enables support for the Wind River MIPS32 4KC PPMC evaluation
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board, which is based on GT64120 bridge chip.
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+config MIKROTIK_RB500
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+ bool "Support for RB5xx boards"
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+ select HW_HAS_PCI
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+ select IRQ_CPU
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+ select SYS_HAS_CPU_MIPS32_R1
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+ select SYS_SUPPORTS_LITTLE_ENDIAN
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+ select SYS_SUPPORTS_32BIT_KERNEL
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+ select SWAP_IO_SPACE
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+ select DMA_NONCOHERENT
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+ select GENERIC_GPIO
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+ help
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+ Support the Mikrotik(tm) Routerboard 500 series,
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+ such as the RB532.
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+
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endchoice
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source "arch/mips/au1000/Kconfig"
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@@ -829,6 +843,7 @@
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default "4" if MACH_DECSTATION
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default "7" if SGI_IP27 || SNI_RM
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default "4" if PMC_MSP4200_EVAL
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+ default "4" if MIKROTIK_RB500
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default "5"
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config HAVE_STD_PC_SERIAL_PORT
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diff -urN linux-2.6.23.12/arch/mips/Makefile linux-2.6.23.12.new/arch/mips/Makefile
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--- linux-2.6.23.12/arch/mips/Makefile 2007-12-18 22:55:57.000000000 +0100
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+++ linux-2.6.23.12.new/arch/mips/Makefile 2008-01-11 08:47:04.000000000 +0100
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@@ -300,6 +300,13 @@
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cflags-$(CONFIG_LEMOTE_FULONG) += -Iinclude/asm-mips/mach-lemote
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#
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+# Routerboard 532 board
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+#
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+core-$(CONFIG_MIKROTIK_RB500) += arch/mips/rb500/
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+cflags-$(CONFIG_MIKROTIK_RB500) += -Iinclude/asm-mips/rc32434
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+load-$(CONFIG_MIKROTIK_RB500) += 0xffffffff80101000
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+
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+#
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# For all MIPS, Inc. eval boards
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#
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core-$(CONFIG_MIPS_BOARDS_GEN) += arch/mips/mips-boards/generic/
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diff -urN linux-2.6.23.12/arch/mips/pci/Makefile linux-2.6.23.12.new/arch/mips/pci/Makefile
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--- linux-2.6.23.12/arch/mips/pci/Makefile 2007-12-18 22:55:57.000000000 +0100
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+++ linux-2.6.23.12.new/arch/mips/pci/Makefile 2008-01-11 08:47:30.000000000 +0100
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@@ -46,3 +46,4 @@
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obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o
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obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o
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obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o
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+obj-$(CONFIG_MIKROTIK_RB500) += pci-rc32434.o ops-rc32434.o fixup-rb500.o
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diff -urN linux-2.6.23.12/drivers/pci/Makefile linux-2.6.23.12.new/drivers/pci/Makefile
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--- linux-2.6.23.12/drivers/pci/Makefile 2007-12-18 22:55:57.000000000 +0100
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+++ linux-2.6.23.12.new/drivers/pci/Makefile 2008-01-11 08:48:10.000000000 +0100
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@@ -32,6 +32,7 @@
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obj-$(CONFIG_PPC64) += setup-bus.o
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obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
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obj-$(CONFIG_X86_VISWS) += setup-irq.o
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+obj-$(CONFIG_MIKROTIK_RB500) += setup-irq.o
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#
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# ACPI Related PCI FW Functions
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diff -urN linux-2.6.23.12/include/asm-mips/bootinfo.h linux-2.6.23.12.new/include/asm-mips/bootinfo.h
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--- linux-2.6.23.12/include/asm-mips/bootinfo.h 2007-12-18 22:55:57.000000000 +0100
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+++ linux-2.6.23.12.new/include/asm-mips/bootinfo.h 2008-01-11 08:48:48.000000000 +0100
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@@ -208,6 +208,11 @@
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#define MACH_GROUP_WINDRIVER 28 /* Windriver boards */
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#define MACH_WRPPMC 1
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+
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+#define MACH_GROUP_MIKROTIK 29 /* Mikrotik Boards */
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+#define MACH_MIKROTIK_RB532 0 /* Mikrotik RouterBoard 532 */
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+#define MACH_MIKROTIK_RB532A 1 /* Mikrotik RouterBoard 532A */
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+
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#define CL_SIZE COMMAND_LINE_SIZE
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const char *get_system_type(void);
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diff -urN linux-2.6.23.12/include/asm-mips/cpu.h linux-2.6.23.12.new/include/asm-mips/cpu.h
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--- linux-2.6.23.12/include/asm-mips/cpu.h 2007-12-18 22:55:57.000000000 +0100
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+++ linux-2.6.23.12.new/include/asm-mips/cpu.h 2008-01-11 08:49:34.000000000 +0100
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@@ -217,8 +217,9 @@
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#define CPU_R14000 64
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#define CPU_LOONGSON1 65
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#define CPU_LOONGSON2 66
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+#define CPU_RC32300 67
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-#define CPU_LAST 66
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+#define CPU_LAST 67
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/*
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* ISA Level encodings
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