diff options
Diffstat (limited to 'arch/arc/boot')
-rw-r--r-- | arch/arc/boot/Makefile | 26 | ||||
-rw-r--r-- | arch/arc/boot/dts/Makefile | 13 | ||||
-rw-r--r-- | arch/arc/boot/dts/angel4.dts | 55 | ||||
-rw-r--r-- | arch/arc/boot/dts/skeleton.dts | 10 | ||||
-rw-r--r-- | arch/arc/boot/dts/skeleton.dtsi | 37 |
5 files changed, 141 insertions, 0 deletions
diff --git a/arch/arc/boot/Makefile b/arch/arc/boot/Makefile new file mode 100644 index 000000000000..7d514c24e095 --- /dev/null +++ b/arch/arc/boot/Makefile @@ -0,0 +1,26 @@ +targets := vmlinux.bin vmlinux.bin.gz uImage + +# uImage build relies on mkimage being availble on your host for ARC target +# You will need to build u-boot for ARC, rename mkimage to arc-elf32-mkimage +# and make sure it's reacable from your PATH +MKIMAGE := $(srctree)/scripts/mkuboot.sh + +OBJCOPYFLAGS= -O binary -R .note -R .note.gnu.build-id -R .comment -S + +LINUX_START_TEXT = $$(readelf -h vmlinux | \ + grep "Entry point address" | grep -o 0x.*) + +UIMAGE_LOADADDR = $(CONFIG_LINUX_LINK_BASE) +UIMAGE_ENTRYADDR = $(LINUX_START_TEXT) +UIMAGE_COMPRESSION = gzip + +$(obj)/vmlinux.bin: vmlinux FORCE + $(call if_changed,objcopy) + +$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE + $(call if_changed,gzip) + +$(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE + $(call if_changed,uimage) + +PHONY += FORCE diff --git a/arch/arc/boot/dts/Makefile b/arch/arc/boot/dts/Makefile new file mode 100644 index 000000000000..5776835d583f --- /dev/null +++ b/arch/arc/boot/dts/Makefile @@ -0,0 +1,13 @@ +# Built-in dtb +builtindtb-y := angel4 + +ifneq ($(CONFIG_ARC_BUILTIN_DTB_NAME),"") + builtindtb-y := $(patsubst "%",%,$(CONFIG_ARC_BUILTIN_DTB_NAME)) +endif + +obj-y += $(builtindtb-y).dtb.o +targets += $(builtindtb-y).dtb + +dtbs: $(addprefix $(obj)/, $(builtindtb-y).dtb) + +clean-files := *.dtb diff --git a/arch/arc/boot/dts/angel4.dts b/arch/arc/boot/dts/angel4.dts new file mode 100644 index 000000000000..bae4f936cb03 --- /dev/null +++ b/arch/arc/boot/dts/angel4.dts @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +/dts-v1/; + +/include/ "skeleton.dtsi" + +/ { + compatible = "snps,arc-angel4"; + clock-frequency = <80000000>; /* 80 MHZ */ + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&intc>; + + chosen { + bootargs = "console=ttyARC0,115200n8"; + }; + + aliases { + serial0 = &arcuart0; + }; + + memory { + device_type = "memory"; + reg = <0x00000000 0x10000000>; /* 256M */ + }; + + fpga { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + + /* child and parent address space 1:1 mapped */ + ranges; + + intc: interrupt-controller { + compatible = "snps,arc700-intc"; + interrupt-controller; + #interrupt-cells = <1>; + }; + + arcuart0: serial@c0fc1000 { + compatible = "snps,arc-uart"; + reg = <0xc0fc1000 0x100>; + interrupts = <5>; + clock-frequency = <80000000>; + current-speed = <115200>; + status = "okay"; + }; + }; +}; diff --git a/arch/arc/boot/dts/skeleton.dts b/arch/arc/boot/dts/skeleton.dts new file mode 100644 index 000000000000..25a84fb5b3dc --- /dev/null +++ b/arch/arc/boot/dts/skeleton.dts @@ -0,0 +1,10 @@ +/* + * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +/dts-v1/; + +/include/ "skeleton.dtsi" diff --git a/arch/arc/boot/dts/skeleton.dtsi b/arch/arc/boot/dts/skeleton.dtsi new file mode 100644 index 000000000000..a870bdd5e404 --- /dev/null +++ b/arch/arc/boot/dts/skeleton.dtsi @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/* + * Skeleton device tree; the bare minimum needed to boot; just include and + * add a compatible value. + */ + +/ { + compatible = "snps,arc"; + clock-frequency = <80000000>; /* 80 MHZ */ + #address-cells = <1>; + #size-cells = <1>; + chosen { }; + aliases { }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "snps,arc770d"; + reg = <0>; + }; + }; + + memory { + device_type = "memory"; + reg = <0x00000000 0x10000000>; /* 256M */ + }; +}; |