Erizo is an opensource hardware SoC for FPGA.
Signed-off-by: Antony Pavlov <antonynpav...@gmail.com>
---
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 | 46 ++++++++++++++++++++++
arch/riscv/dts/erizo_generic.dts | 32 +++++++++++++++
arch/riscv/mach-erizo/Kconfig | 11 ++++++
arch/riscv/mach-erizo/Makefile | 3 ++
9 files changed, 136 insertions(+)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index d65e87acd8..fe79cb49b5 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -18,6 +18,15 @@ config GENERIC_LINKER_SCRIPT
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 <antonynpav...@gmail.com>
+ *
+ * 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 <common.h>
+#include <driver.h>
+#include <init.h>
+
+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..1660ad1040
--- /dev/null
+++ b/arch/riscv/dts/erizo.dtsi
@@ -0,0 +1,46 @@
+/dts-v1/;
+
+#include "skeleton.dtsi"
+
+/ {
+ 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..a35983ab30
--- /dev/null
+++ b/arch/riscv/dts/erizo_generic.dts
@@ -0,0 +1,32 @@
+#include "erizo.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ model = "generic Erizo SoC board";
+ compatible = "miet-riscv-workgroup,erizo-generic-board";
+
+ memory {
+ device_type = "memory";
+ reg = <0x80000000 0x00800000>;
+ };
+
+ spi0 {
+ compatible = "spi-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gpio-sck = <&gpio0 0 GPIO_ACTIVE_HIGH>;
+ gpio-miso = <&gpio0 1 GPIO_ACTIVE_HIGH>;
+ gpio-mosi = <&gpio0 2 GPIO_ACTIVE_HIGH>;
+ cs-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+ num-chipselects = <1>;
+
+ m25p128@0 {
+ compatible = "m25p128", "jedec,spi-nor";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0>;
+ spi-max-frequency = <1000000>;
+ };
+ };
+};
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
--
2.17.0
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