From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-lf0-x243.google.com ([2a00:1450:4010:c07::243]) by casper.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fYRa1-0004QK-SI for barebox@lists.infradead.org; Thu, 28 Jun 2018 07:43:05 +0000 Received: by mail-lf0-x243.google.com with SMTP id m12-v6so2890938lfc.10 for ; Thu, 28 Jun 2018 00:42:51 -0700 (PDT) From: Antony Pavlov Date: Thu, 28 Jun 2018 10:39:45 +0300 Message-Id: <20180628073953.15384-5-antonynpavlov@gmail.com> In-Reply-To: <20180628073953.15384-1-antonynpavlov@gmail.com> References: <20180628073953.15384-1-antonynpavlov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 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 v2 04/12] 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 | 3 ++ arch/riscv/boards/erizo-generic/.gitignore | 1 + arch/riscv/boards/erizo-generic/Makefile | 1 + arch/riscv/boards/erizo-generic/board.c | 28 ++++++++++++++ arch/riscv/dts/erizo.dtsi | 44 ++++++++++++++++++++++ arch/riscv/dts/erizo_generic.dts | 12 ++++++ arch/riscv/mach-erizo/Kconfig | 11 ++++++ arch/riscv/mach-erizo/Makefile | 3 ++ 9 files changed, 114 insertions(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 8bbe52f232..bcca385e14 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 @@ -51,6 +60,8 @@ config BUILTIN_DTB_NAME string "DTB to build into the barebox image" depends on BUILTIN_DTB +source arch/riscv/mach-erizo/Kconfig + endmenu source common/Kconfig diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index e9c407354c..9a3921065c 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -11,6 +11,9 @@ cflags-y += -Wall -Wmissing-prototypes -Wstrict-prototypes \ LDFLAGS += $(ldflags-y) LDFLAGS_barebox += -nostdlib +machine-$(CONFIG_MACH_ERIZO) := erizo +board-$(CONFIG_BOARD_ERIZO_GENERIC) := erizo-generic + TEXT_BASE = $(CONFIG_TEXT_BASE) CPPFLAGS += -DTEXT_BASE=$(CONFIG_TEXT_BASE) diff --git a/arch/riscv/boards/erizo-generic/.gitignore b/arch/riscv/boards/erizo-generic/.gitignore new file mode 100644 index 0000000000..d1165788c9 --- /dev/null +++ b/arch/riscv/boards/erizo-generic/.gitignore @@ -0,0 +1 @@ +barebox.lds diff --git a/arch/riscv/boards/erizo-generic/Makefile b/arch/riscv/boards/erizo-generic/Makefile new file mode 100644 index 0000000000..dcfc2937d3 --- /dev/null +++ b/arch/riscv/boards/erizo-generic/Makefile @@ -0,0 +1 @@ +obj-y += board.o diff --git a/arch/riscv/boards/erizo-generic/board.c b/arch/riscv/boards/erizo-generic/board.c new file mode 100644 index 0000000000..46c9ca34f0 --- /dev/null +++ b/arch/riscv/boards/erizo-generic/board.c @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2017 Antony Pavlov + * + * This file is part of barebox. + * See file CREDITS for list of people who contributed to this project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include +#include +#include + +static int hostname_init(void) +{ + barebox_set_hostname("erizo-generic"); + + return 0; +} +postcore_initcall(hostname_init); diff --git a/arch/riscv/dts/erizo.dtsi b/arch/riscv/dts/erizo.dtsi new file mode 100644 index 0000000000..b7733c3813 --- /dev/null +++ b/arch/riscv/dts/erizo.dtsi @@ -0,0 +1,44 @@ +/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/dts/erizo_generic.dts b/arch/riscv/dts/erizo_generic.dts new file mode 100644 index 0000000000..fae265fd96 --- /dev/null +++ b/arch/riscv/dts/erizo_generic.dts @@ -0,0 +1,12 @@ +#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/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 -- 2.18.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox