[PATCH 3/16] Kconfig update for lemote fulong mini-PC

[tiansm@lemote.com]

From: Fuxin Zhang <zhangfx@lemote.com>


Signed-off-by: Fuxin Zhang <zhangfx@lemote.com>
---
 arch/mips/Kconfig |   38 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 338bfa3..c18a835 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -16,6 +16,27 @@ choice
 	prompt "System type"
 	default SGI_IP22
 
+config LEMOTE_FULONG
+	bool "Support for Lemote's fulong mini-PC"
+	select SYS_HAS_CPU_LOONGSON2
+	select DMA_NONCOHERENT
+	select BOOT_ELF32
+	select BOARD_SCACHE
+	select HW_HAS_PCI
+	select I8259
+	select ISA
+	select IRQ_CPU
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_HIGHMEM
+	select SYS_HAS_EARLY_PRINTK
+	select GENERIC_HARDIRQS_NO__DO_IRQ
+	select CPU_HAS_WB
+	help
+        Lemote Fulong mini-PC board, which uses Chinese Loongson-2E CPU and a fpga north bridge
+
+
 config MIPS_MTX1
 	bool "4G Systems MTX-1 board"
 	select DMA_NONCOHERENT
@@ -1142,6 +1163,13 @@ choice
 	prompt "CPU type"
 	default CPU_R4X00
 
+config CPU_LOONGSON2
+	bool "LOONGSON2"
+	depends on SYS_HAS_CPU_LOONGSON2
+	select CPU_SUPPORTS_32BIT_KERNEL
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CPU_SUPPORTS_HIGHMEM
+
 config CPU_MIPS32_R1
 	bool "MIPS32 Release 1"
 	depends on SYS_HAS_CPU_MIPS32_R1
@@ -1352,6 +1380,9 @@ config CPU_SB1
 
 endchoice
 
+config SYS_HAS_CPU_LOONGSON2
+	bool
+
 config SYS_HAS_CPU_MIPS32_R1
 	bool
 
@@ -1681,6 +1712,13 @@ config CPU_HAS_SMARTMIPS
 config CPU_HAS_WB
 	bool
 
+config 64BIT_CONTEXT
+	bool "Save 64bit integer registers" if CPU_LOONGSON2 && 32BIT
+	help
+	  Loongson2 CPU is 64bit , when used in 32BIT mode, its integer registers
+	  can still be accessed as 64bit, mainly for multimedia instructions. We must have
+	  all 64bit save/restored to make sure those instructions to get correct result.
+
 #
 # Vectored interrupt mode is an R2 feature
 #
-- 
1.4.4.1