This patch adds Makefile and Kconfig related to Loongson1B. Signed-off-by: Kelvin Cheung <keguang.zhang@xxxxxxxxx> --- V7(updated): Change the load address of kernel to 0xffffffff80100000. --- arch/mips/Kbuild.platforms | 1 + arch/mips/Kconfig | 31 +++++++++++++++++++++++++++++++ arch/mips/loongson1/Kconfig | 21 +++++++++++++++++++++ arch/mips/loongson1/Makefile | 11 +++++++++++ arch/mips/loongson1/Platform | 7 +++++++ arch/mips/loongson1/common/Makefile | 5 +++++ arch/mips/loongson1/ls1b/Makefile | 5 +++++ 7 files changed, 81 insertions(+), 0 deletions(-) create mode 100644 arch/mips/loongson1/Kconfig create mode 100644 arch/mips/loongson1/Makefile create mode 100644 arch/mips/loongson1/Platform create mode 100644 arch/mips/loongson1/common/Makefile create mode 100644 arch/mips/loongson1/ls1b/Makefile diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms index 5ce8029..d64786d 100644 --- a/arch/mips/Kbuild.platforms +++ b/arch/mips/Kbuild.platforms @@ -14,6 +14,7 @@ platforms += jz4740 platforms += lantiq platforms += lasat platforms += loongson +platforms += loongson1 platforms += mipssim platforms += mti-malta platforms += netlogic diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 08dfc79..61e1459 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -265,6 +265,17 @@ config MACH_LOONGSON Chinese Academy of Sciences (CAS) in the People's Republic of China. The chief architect is Professor Weiwu Hu. +config MACH_LOONGSON1 + bool "Loongson1 family of machines" + select SYS_SUPPORTS_ZBOOT + help + This enables the support of Loongson1 family of machines. + + Loongson1 is a family of 32-bit MIPS-compatible SoCs. + developed at Institute of Computing Technology (ICT), + Chinese Academy of Sciences (CAS) in the People's Republic + of China. + config MIPS_MALTA bool "MIPS Malta board" select ARCH_MAY_HAVE_PC_FDC @@ -838,6 +849,7 @@ source "arch/mips/txx9/Kconfig" source "arch/mips/vr41xx/Kconfig" source "arch/mips/cavium-octeon/Kconfig" source "arch/mips/loongson/Kconfig" +source "arch/mips/loongson1/Kconfig" source "arch/mips/netlogic/Kconfig" endmenu @@ -1219,6 +1231,14 @@ config CPU_LOONGSON2F have a similar programming interface with FPGA northbridge used in Loongson2E. +config CPU_LOONGSON1B + bool "Loongson 1B" + depends on SYS_HAS_CPU_LOONGSON1B + select CPU_LOONGSON1 + help + The Loongson 1B is a 32-bit SoC, which implements the MIPS32 + release 2 instruction set. + config CPU_MIPS32_R1 bool "MIPS32 Release 1" depends on SYS_HAS_CPU_MIPS32_R1 @@ -1548,6 +1568,14 @@ config CPU_LOONGSON2 select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM +config CPU_LOONGSON1 + bool + select CPU_MIPS32 + select CPU_MIPSR2 + select CPU_HAS_PREFETCH + select CPU_SUPPORTS_32BIT_KERNEL + select CPU_SUPPORTS_HIGHMEM + config CPU_BMIPS bool select CPU_MIPS32 @@ -1566,6 +1594,9 @@ config SYS_HAS_CPU_LOONGSON2F select CPU_SUPPORTS_ADDRWINCFG if 64BIT select CPU_SUPPORTS_UNCACHED_ACCELERATED +config SYS_HAS_CPU_LOONGSON1B + bool + config SYS_HAS_CPU_MIPS32_R1 bool diff --git a/arch/mips/loongson1/Kconfig b/arch/mips/loongson1/Kconfig new file mode 100644 index 0000000..237fa21 --- /dev/null +++ b/arch/mips/loongson1/Kconfig @@ -0,0 +1,21 @@ +if MACH_LOONGSON1 + +choice + prompt "Machine Type" + +config LOONGSON1_LS1B + bool "Loongson LS1B board" + select CEVT_R4K + select CSRC_R4K + select SYS_HAS_CPU_LOONGSON1B + select DMA_NONCOHERENT + select BOOT_ELF32 + select IRQ_CPU + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_HIGHMEM + select SYS_HAS_EARLY_PRINTK + +endchoice + +endif # MACH_LOONGSON1 diff --git a/arch/mips/loongson1/Makefile b/arch/mips/loongson1/Makefile new file mode 100644 index 0000000..e9123c2 --- /dev/null +++ b/arch/mips/loongson1/Makefile @@ -0,0 +1,11 @@ +# +# Common code for all Loongson1 based systems +# + +obj-$(CONFIG_MACH_LOONGSON1) += common/ + +# +# Loongson LS1B board +# + +obj-$(CONFIG_LOONGSON1_LS1B) += ls1b/ diff --git a/arch/mips/loongson1/Platform b/arch/mips/loongson1/Platform new file mode 100644 index 0000000..99bdefe --- /dev/null +++ b/arch/mips/loongson1/Platform @@ -0,0 +1,7 @@ +cflags-$(CONFIG_CPU_LOONGSON1) += \ + $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ + -Wa,-mips32r2 -Wa,--trap + +platform-$(CONFIG_MACH_LOONGSON1) += loongson1/ +cflags-$(CONFIG_MACH_LOONGSON1) += -I$(srctree)/arch/mips/include/asm/mach-loongson1 +load-$(CONFIG_LOONGSON1_LS1B) += 0xffffffff80100000 diff --git a/arch/mips/loongson1/common/Makefile b/arch/mips/loongson1/common/Makefile new file mode 100644 index 0000000..b279770 --- /dev/null +++ b/arch/mips/loongson1/common/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for common code of loongson1 based machines. +# + +obj-y += clock.o irq.o platform.o prom.o reset.o setup.o diff --git a/arch/mips/loongson1/ls1b/Makefile b/arch/mips/loongson1/ls1b/Makefile new file mode 100644 index 0000000..891eac4 --- /dev/null +++ b/arch/mips/loongson1/ls1b/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for loongson1B based machines. +# + +obj-y += board.o -- 1.7.1
