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authorFelix Fietkau <nbd@openwrt.org>2015-11-22 19:06:07 +0000
committerFelix Fietkau <nbd@openwrt.org>2015-11-22 19:06:07 +0000
commit576621f1e353339fe81ece6cff7e8bcd12cbc7b8 (patch)
treed6f0c3870842c1abf95b0cfbf411169d24694f1c /target/linux/arc770/dts/nsim_700.dts
parent3a0266b4716aa12fe1756d7e52a0e5bec760d48d (diff)
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linux: add support of Synopsys ARC770-based boards
This patch introduces support of new boards with ARC cores. [1] Synopsys SDP board This is a new-generation development board from Synopsys that consists of base-board and CPU tile-board (which might have a real ASIC or FPGA with CPU image). It sports a lot of DesignWare peripherals like GMAC, USB, SPI, I2C etc and is intended to be used for early development of ARC-based products. [2] nSIM This is a virtual board implemented in Synopsys proprietary software simulator (even though available for free for open source community). This board has only serial port as a peripheral and so it is meant to be used for runtime testing which is especially useful during bring-up of new tools and platforms. What's also important ARC cores are very configurable so there're many variations of options like cache sizes, their line lengths, additional hardware blocks like multipliers, dividers etc. And this board could be used to make sure built software still runs on different HW configurations. Cc: Felix Fietkau <nbd@openwrt.org> Cc: Jo-Philipp Wich <jow@openwrt.org> Cc: Jonas Gorski <jogo@openwrt.org> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> SVN-Revision: 47589
Diffstat (limited to 'target/linux/arc770/dts/nsim_700.dts')
-rw-r--r--target/linux/arc770/dts/nsim_700.dts71
1 files changed, 71 insertions, 0 deletions
diff --git a/target/linux/arc770/dts/nsim_700.dts b/target/linux/arc770/dts/nsim_700.dts
new file mode 100644
index 0000000..d152646
--- /dev/null
+++ b/target/linux/arc770/dts/nsim_700.dts
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
+ *
+ * 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.
+ */
+/dts-v1/;
+
+/include/ "skeleton.dtsi"
+
+/ {
+ model = "Synopsys ARC770 nSIM simulator";
+ compatible = "snps,nsim";
+ clock-frequency = <80000000>; /* 80 MHZ */
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&intc>;
+
+ chosen {
+ bootargs = "earlycon=arc_uart,mmio32,0xc0fc1000,115200n8 console=ttyARC0,115200n8";
+ };
+
+ aliases {
+ serial0 = &arcuart0;
+ };
+
+ fpga {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ /* child and parent address space 1:1 mapped */
+ ranges;
+
+ intc: interrupt-controller {
+ compatible = "snps,arc700-intc";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+
+ arcuart0: serial@c0fc1000 {
+ compatible = "snps,arc-uart";
+ reg = <0xc0fc1000 0x100>;
+ interrupts = <5>;
+ clock-frequency = <80000000>;
+ current-speed = <115200>;
+ status = "okay";
+ };
+
+ ethernet@c0fc2000 {
+ compatible = "snps,arc-emac";
+ reg = <0xc0fc2000 0x3c>;
+ interrupts = <6>;
+ mac-address = [ 00 11 22 33 44 55 ];
+ clock-frequency = <80000000>;
+ max-speed = <100>;
+ phy = <&phy0>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ phy0: ethernet-phy@0 {
+ reg = <1>;
+ };
+ };
+
+ arcpmu0: pmu {
+ compatible = "snps,arc700-pct";
+ };
+ };
+};