[PATCH RESEND v4 2/9] MIPS: Loongson: Add Loongson-1A Kconfig options

[Binbin Zhou <zhoubb@lemote.com>]

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@163.com>
Signed-off-by: Binbin Zhou <zhoubb@lemote.com>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
---
 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