Add dts folder with minimal device tree for kalray K200 board.
Signed-off-by: Clement Leger <[email protected]>
---
arch/k1c/Kconfig | 20 ++++++++++
arch/k1c/Makefile | 1 +
arch/k1c/dts/Makefile | 13 +++++++
arch/k1c/dts/k200.dts | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 139 insertions(+)
create mode 100644 arch/k1c/dts/Makefile
create mode 100644 arch/k1c/dts/k200.dts
diff --git a/arch/k1c/Kconfig b/arch/k1c/Kconfig
index f0f9d1728..cf5c7beff 100644
--- a/arch/k1c/Kconfig
+++ b/arch/k1c/Kconfig
@@ -43,3 +43,23 @@ config MALLOC_SIZE
default 0x800000
prompt "malloc area size"
endmenu
+
+menu "Board configuration"
+
+config BUILTIN_DTB
+ bool "link a DTB into the barebox image"
+ depends on OFTREE
+
+config BUILTIN_DTB_NAME
+ string "DTB to build into the barebox image"
+ depends on BUILTIN_DTB
+
+choice
+ prompt "Select your board"
+
+config BOARD_K200
+ bool "K200 Network card"
+
+endchoice
+
+endmenu
diff --git a/arch/k1c/Makefile b/arch/k1c/Makefile
index 10852406f..6eb28d1b2 100644
--- a/arch/k1c/Makefile
+++ b/arch/k1c/Makefile
@@ -26,6 +26,7 @@ PHONY += maketools
common-y += arch/k1c/lib/
common-y += arch/k1c/cpu/
+common-$(CONFIG_OFTREE) += arch/k1c/dts/
lds-y += arch/k1c/cpu/barebox.lds
diff --git a/arch/k1c/dts/Makefile b/arch/k1c/dts/Makefile
new file mode 100644
index 000000000..9d5e94ae1
--- /dev/null
+++ b/arch/k1c/dts/Makefile
@@ -0,0 +1,13 @@
+# just to build a built-in.o. Otherwise compilation fails when no devicetree is
+# created.
+obj- += dummy.o
+
+BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB_NAME))
+ifneq ($(BUILTIN_DTB),)
+obj-dtb-$(CONFIG_BUILTIN_DTB) += $(BUILTIN_DTB).dtb.o
+endif
+
+obj-dtb-$(CONFIG_BOARD_K200) += k200.dtb.o
+
+always := $(dtb-y)
+clean-files := *.dtb *.dtb.S .*.dtc .*.pre .*.dts
diff --git a/arch/k1c/dts/k200.dts b/arch/k1c/dts/k200.dts
new file mode 100644
index 000000000..fc9a21ad4
--- /dev/null
+++ b/arch/k1c/dts/k200.dts
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2019 Kalray, Inc.
+ */
+
+/dts-v1/;
+
+/ {
+ model = "KONIC 200 (K200)";
+ compatible = "kalray,board-k200";
+
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ /* Standard nodes (choosen, cpus, memory, etc) */
+ chosen {
+ bootargs = "earlycon norandmaps console=ttyS0";
+ stdout-path = &serial0;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "kalray,k1c-pe";
+ reg = <0>;
+ clocks = <&core_clk>;
+ clock-names = "cpu";
+ };
+
+ };
+
+ clocks {
+ ref_clk: ref_clk@0 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ /* 100 MHz clock */
+ clock-frequency = <100000000>;
+ };
+
+ core_clk: core_clk@0 {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ /* 1 GHz clock */
+ clock-frequency = <1000000000>;
+ };
+ };
+
+ ddr: memory@100000000 {
+ device_type = "memory";
+ /* Declare 4G of DDR starting at 4G */
+ reg = <0x1 0x00000000 0x1 0x00000000>;
+ };
+
+ smem: memory@0 {
+ device_type = "memory";
+ /* 4M of SMEM starting at @0 */
+ reg = <0x0 0x0 0x0 0x400000>;
+ };
+
+ core_timer {
+ compatible = "kalray,k1c-core-timer";
+ clocks = <&core_clk>;
+ };
+
+ core_watchdog {
+ compatible = "kalray,k1c-core-watchdog";
+ clocks = <&core_clk>;
+ };
+
+ axi {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ ranges;
+
+ pmx_gpio0: pinmux@20230008 {
+ compatible = "pinctrl-single";
+ reg = <0x0 0x20230008 0x0 0x4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #pinctrl-cells = <2>;
+ pinctrl-single,bit-per-mux;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0x1>;
+
+ uart0_pins: pinmux_uart0_pins {
+ pinctrl-single,bits = <0x00 0x00000003
0x00000003>;
+ };
+ };
+
+ serial0: uart0@20210000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x0 0x20210000 0x0 0x100>;
+ clocks = <&ref_clk>;
+ reg-io-width = <4>;
+ reg-shift = <2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
+ };
+ };
+};
--
2.15.0.276.g89ea799
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