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Message-Id: <1339757617-2187-4-git-send-email-keguang.zhang@gmail.com>
Date:	Fri, 15 Jun 2012 18:53:36 +0800
From:	Kelvin Cheung <keguang.zhang@...il.com>
To:	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
	ralf@...ux-mips.org
Cc:	wuzhangjin@...il.com, zhzhl555@...il.com,
	Kelvin Cheung <keguang.zhang@...il.com>
Subject: [PATCH V7 3/4] MIPS: Add Makefile and Kconfig for Loongson1B

This patch adds Makefile and Kconfig related to Loongson1B.

Signed-off-by: Kelvin Cheung <keguang.zhang@...il.com>
---
 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..92804c6
--- /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)		+= 0xffffffff80010000
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

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