From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-lj1-x244.google.com ([2a00:1450:4864:20::244]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gZ9fn-0002g9-VU for barebox@lists.infradead.org; Tue, 18 Dec 2018 07:20:16 +0000 Received: by mail-lj1-x244.google.com with SMTP id v15-v6so13230561ljh.13 for ; Mon, 17 Dec 2018 23:20:03 -0800 (PST) From: Antony Pavlov Date: Tue, 18 Dec 2018 10:19:35 +0300 Message-Id: <20181218071943.2560-3-antonynpavlov@gmail.com> In-Reply-To: <20181218071943.2560-1-antonynpavlov@gmail.com> References: <20181218071943.2560-1-antonynpavlov@gmail.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v3 02/10] RISC-V: add Erizo SoC support To: barebox@lists.infradead.org Erizo is an opensource hardware SoC for FPGA. Signed-off-by: Antony Pavlov --- arch/riscv/Kconfig | 11 ++++++++ arch/riscv/Makefile | 2 ++ arch/riscv/dts/Makefile | 2 ++ arch/riscv/dts/erizo-generic.dts | 14 ++++++++++ arch/riscv/dts/erizo.dtsi | 46 ++++++++++++++++++++++++++++++++ arch/riscv/mach-erizo/Kconfig | 11 ++++++++ arch/riscv/mach-erizo/Makefile | 3 +++ 7 files changed, 89 insertions(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index c9719dfeca..ee532ac11a 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -15,6 +15,15 @@ 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 + +/ { + 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 -- 2.20.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox