Added Kconfig options include: Loongson-1A CPU and machine definition, CPU cache features, 32-bit kernel and early printk support. Signed-off-by: Chunbo Cui <cuichboo@xxxxxxx> Signed-off-by: Binbin Zhou <zhoubb@xxxxxxxxxx> Signed-off-by: Huacai Chen <chenhc@xxxxxxxxxx> --- arch/mips/Kconfig | 11 +++++++++++ arch/mips/loongson32/Kconfig | 16 ++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index ac9bfad..dffa359 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1402,6 +1402,14 @@ config CPU_LOONGSON2F have a similar programming interface with FPGA northbridge used in Loongson2E. +config CPU_LOONGSON1A + bool "Loongson 1A" + depends on SYS_HAS_CPU_LOONGSON1A + select CPU_LOONGSON1 + help + The Loongson 1A is a 32-bit SoC, which implements the MIPS32 + release 2 instruction set. + config CPU_LOONGSON1B bool "Loongson 1B" depends on SYS_HAS_CPU_LOONGSON1B @@ -1856,6 +1864,9 @@ config SYS_HAS_CPU_LOONGSON2F select CPU_SUPPORTS_ADDRWINCFG if 64BIT select CPU_SUPPORTS_UNCACHED_ACCELERATED +config SYS_HAS_CPU_LOONGSON1A + bool + config SYS_HAS_CPU_LOONGSON1B bool diff --git a/arch/mips/loongson32/Kconfig b/arch/mips/loongson32/Kconfig index 7704f20..35effa8 100644 --- a/arch/mips/loongson32/Kconfig +++ b/arch/mips/loongson32/Kconfig @@ -3,6 +3,22 @@ if MACH_LOONGSON32 choice prompt "Machine Type" +config LOONGSON1_LS1A + bool "Loongson LS1A board" + select CEVT_R4K + select CSRC_R4K + select SYS_HAS_CPU_LOONGSON1A + select DMA_NONCOHERENT + select BOOT_ELF32 + select IRQ_MIPS_CPU + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_HIGHMEM + select SYS_SUPPORTS_MIPS16 + select SYS_HAS_EARLY_PRINTK + select USE_GENERIC_EARLY_PRINTK_8250 + select COMMON_CLK + config LOONGSON1_LS1B bool "Loongson LS1B board" select CEVT_R4K if !MIPS_EXTERNAL_TIMER -- 1.9.1
