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author | Antony Pavlov <antonynpavlov@gmail.com> | 2018-12-18 10:19:35 +0300 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-01-07 08:53:18 +0100 |
commit | cccb796fb4d8c3f651f06ca110d442c5ac2303e3 (patch) | |
tree | 826c6df7cc80e560be3fcabfba61e51de0de4daa | |
parent | 8099f22c1bfac85110823ea2dafcfb01453bcbae (diff) | |
download | barebox-cccb796fb4d8c3f651f06ca110d442c5ac2303e3.tar.gz barebox-cccb796fb4d8c3f651f06ca110d442c5ac2303e3.tar.xz |
RISC-V: add Erizo SoC support
Erizo is an opensource hardware SoC for FPGA.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r-- | arch/riscv/Kconfig | 11 | ||||
-rw-r--r-- | arch/riscv/Makefile | 2 | ||||
-rw-r--r-- | arch/riscv/dts/Makefile | 2 | ||||
-rw-r--r-- | arch/riscv/dts/erizo-generic.dts | 14 | ||||
-rw-r--r-- | arch/riscv/dts/erizo.dtsi | 46 | ||||
-rw-r--r-- | arch/riscv/mach-erizo/Kconfig | 11 | ||||
-rw-r--r-- | arch/riscv/mach-erizo/Makefile | 3 |
7 files changed, 89 insertions, 0 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index c9719dfeca..ee532ac11a 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -16,6 +16,15 @@ config ARCH_TEXT_BASE menu "Machine selection" choice + prompt "System type" + default MACH_ERIZO + +config MACH_ERIZO + bool "erizo family" + +endchoice + +choice prompt "Base ISA" default ARCH_RV32I @@ -51,4 +60,6 @@ config BUILTIN_DTB_NAME string "DTB to build into the barebox image" depends on BUILTIN_DTB +source arch/riscv/mach-erizo/Kconfig + endmenu diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 28eb414452..d5a392de05 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -11,6 +11,8 @@ cflags-y += -Wall -Wstrict-prototypes \ LDFLAGS += $(ldflags-y) LDFLAGS_barebox += -nostdlib +machine-$(CONFIG_MACH_ERIZO) := erizo + TEXT_BASE = $(CONFIG_TEXT_BASE) CPPFLAGS += -DTEXT_BASE=$(CONFIG_TEXT_BASE) diff --git a/arch/riscv/dts/Makefile b/arch/riscv/dts/Makefile index 0a88af1603..903fe8ff34 100644 --- a/arch/riscv/dts/Makefile +++ b/arch/riscv/dts/Makefile @@ -3,6 +3,8 @@ ifneq ($(BUILTIN_DTB),) obj-dtb-$(CONFIG_BUILTIN_DTB) += $(BUILTIN_DTB).dtb.o endif +obj-dtb-$(CONFIG_BOARD_ERIZO_GENERIC) += erizo-generic.dtb.o + # just to build a built-in.o. Otherwise compilation fails when no devicetree is # created. obj- += dummy.o diff --git a/arch/riscv/dts/erizo-generic.dts b/arch/riscv/dts/erizo-generic.dts new file mode 100644 index 0000000000..d1f8d57168 --- /dev/null +++ b/arch/riscv/dts/erizo-generic.dts @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include "erizo.dtsi" +#include <dt-bindings/gpio/gpio.h> + +/ { + model = "generic Erizo SoC board"; + compatible = "miet-riscv-workgroup,erizo-generic-board"; + + memory@0 { + device_type = "memory"; + reg = <0x80000000 0x00800000>; + }; +}; diff --git a/arch/riscv/dts/erizo.dtsi b/arch/riscv/dts/erizo.dtsi new file mode 100644 index 0000000000..07534798ac --- /dev/null +++ b/arch/riscv/dts/erizo.dtsi @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: GPL-2.0-only + +/dts-v1/; + +/ { + compatible = "miet-riscv-workgroup,erizo"; + + #address-cells = <1>; + #size-cells = <1>; + + clocks { + ref_clk: ref_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24000000>; + }; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "cliffordwolf,picorv32"; + clocks = <&ref_clk>; + reg = <0>; + }; + }; + + uart0: uart@90000000 { + compatible = "ns16550a"; + reg = <0x90000000 0x20>; + reg-shift = <2>; + clocks = <&ref_clk>; + }; + + gpio0: gpio@91000000 { + compatible = "wd,mbl-gpio"; + reg-names = "dat", "dirout"; + reg = <0x91000000 0x4>, + <0x91000004 0x4>; + #gpio-cells = <2>; + gpio-controller; + }; +}; diff --git a/arch/riscv/mach-erizo/Kconfig b/arch/riscv/mach-erizo/Kconfig new file mode 100644 index 0000000000..2400b4437b --- /dev/null +++ b/arch/riscv/mach-erizo/Kconfig @@ -0,0 +1,11 @@ +if MACH_ERIZO + +choice + prompt "Board type" + +config BOARD_ERIZO_GENERIC + bool "erizo generic board" + +endchoice + +endif diff --git a/arch/riscv/mach-erizo/Makefile b/arch/riscv/mach-erizo/Makefile new file mode 100644 index 0000000000..d9c51e74c3 --- /dev/null +++ b/arch/riscv/mach-erizo/Makefile @@ -0,0 +1,3 @@ +# just to build a built-in.o. Otherwise compilation fails when no o-files is +# created. +obj- += dummy.o |