From: Fuxin Zhang <zhangfx@xxxxxxxxxx> Signed-off-by: Fuxin Zhang <zhangfx@xxxxxxxxxx> --- 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
