From patchwork Tue Mar 25 13:43:48 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb James DeLisle X-Patchwork-Id: 14029056 Received: from mail.cjdns.fr (mail.cjdns.fr [5.135.140.105]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CED6325A2A2; Tue, 25 Mar 2025 13:44:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=5.135.140.105 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742910273; cv=none; b=NdJf4t07wmA4lMFujBxUAqTnP8E8xhBJmJFtlNjZI0eiuP9YPXt/CxNY0LSWGei3GncbWFb6KfeKyckRV5byyZ3QHkuDgcKsGQEeuurB30SqMOczLw0WqC/CqPDEEMYET8FQedfThP2467QSANK0mLpetR4khf9xkJkrKmcfMFk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742910273; c=relaxed/simple; bh=GKnfwm89mmfTNkDSHGK+DluwZV3D+ys0rrJwPtcw7dc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=XwvEVCpbJk4TmSqcMdawa4DWzGDuaNxQuqI19MqWxmhGgkpEJksgeUJw4NXRc8Hc1KYBEotLHcAY8MmUbzXjT40DEve2Eak+nguf8pCEffSmL6el0fL/ZkAaPIosUje4nRVtb9zCEoOhteoktdIWfN2dTtMussz8Zmdo1xerv/4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=cjdns.fr; spf=none smtp.mailfrom=cjdns.fr; dkim=pass (2048-bit key) header.d=cjdns.fr header.i=@cjdns.fr header.b=TsLRFQae; arc=none smtp.client-ip=5.135.140.105 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=cjdns.fr Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=cjdns.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cjdns.fr header.i=@cjdns.fr header.b="TsLRFQae" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 3DDBC2CF600; Tue, 25 Mar 2025 14:44:28 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cjdns.fr; s=dkim; t=1742910269; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=NQ0h1ZQqbwKMzwOfS03yAjtcEQ2rUK3ow/HIMnwx/+4=; b=TsLRFQaeonfMoobHfxTOaLE4Ne640flWZasb1MHRd8eY6OnDJBuzFKwVAirbjz3mSSJrtq zWKVMZSRWAycQu7X/8iHfYO98g6Hw35qEZgSOFppcS6ZtNUXMQO1sA1fhA46gLqBgWktc2 4rl4r6lARjbk9TFhHofpZMHjZXe8lauaoqq93dNFL2HUe6VqOBw5be82YapnrsXqDmWu8W vQO2BYBtfXrHPchdmyrudE94oIXsxN9zLSEYt5N4A41XHtZGNPWZCXsec5hmN7K9Spc0ow mcPo8KfoJ2Hywr0yihe9LhzjVVHGbNnoTpAh4QuyShDqi6LWF+OTAbnlEJAJqw== From: Caleb James DeLisle To: linux-mips@vger.kernel.org Cc: Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thomas Bogendoerfer , Daniel Lezcano , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, benjamin.larsson@genexis.eu, Caleb James DeLisle Subject: [PATCH v2 09/10] mips: dts: Add EcoNet DTS with EN751221 and SmartFiber XP8421-B board Date: Tue, 25 Mar 2025 13:43:48 +0000 Message-Id: <20250325134349.2476458-10-cjd@cjdns.fr> In-Reply-To: <20250325134349.2476458-1-cjd@cjdns.fr> References: <20250325134349.2476458-1-cjd@cjdns.fr> Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 Add DTS files in support of EcoNet platform, including SmartFiber XP8421-B, a low cost commercially available board based on EN751221. Signed-off-by: Caleb James DeLisle --- To my knowledge, evaluation boards from EcoNet are not currently available. SmartFiber XP8421-B is currently manufactured, low cost, and can be purchased as single units by the general public. --- arch/mips/boot/dts/Makefile | 1 + arch/mips/boot/dts/econet/Makefile | 2 + arch/mips/boot/dts/econet/en751221.dtsi | 62 +++++++++++++++++++ .../econet/en751221_smartfiber_xp8421-b.dts | 19 ++++++ arch/mips/econet/Kconfig | 11 ++++ 5 files changed, 95 insertions(+) create mode 100644 arch/mips/boot/dts/econet/Makefile create mode 100644 arch/mips/boot/dts/econet/en751221.dtsi create mode 100644 arch/mips/boot/dts/econet/en751221_smartfiber_xp8421-b.dts diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile index ff468439a8c4..7375c6ced82b 100644 --- a/arch/mips/boot/dts/Makefile +++ b/arch/mips/boot/dts/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 subdir-$(CONFIG_BMIPS_GENERIC) += brcm subdir-$(CONFIG_CAVIUM_OCTEON_SOC) += cavium-octeon +subdir-$(CONFIG_ECONET) += econet subdir-$(CONFIG_EYEQ) += mobileye subdir-$(CONFIG_FIT_IMAGE_FDT_MARDUK) += img subdir-$(CONFIG_FIT_IMAGE_FDT_BOSTON) += img diff --git a/arch/mips/boot/dts/econet/Makefile b/arch/mips/boot/dts/econet/Makefile new file mode 100644 index 000000000000..b467d5624e39 --- /dev/null +++ b/arch/mips/boot/dts/econet/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_DTB_ECONET_SMARTFIBER_XP8421_B) += en751221_smartfiber_xp8421-b.dtb diff --git a/arch/mips/boot/dts/econet/en751221.dtsi b/arch/mips/boot/dts/econet/en751221.dtsi new file mode 100644 index 000000000000..c26b3a1eea92 --- /dev/null +++ b/arch/mips/boot/dts/econet/en751221.dtsi @@ -0,0 +1,62 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/dts-v1/; + +/ { + compatible = "econet,en751221"; + #address-cells = <1>; + #size-cells = <1>; + + hpt_clock: clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <200000000>; /* 200 MHz */ + }; + + cpus: cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "mips,mips24KEc"; + reg = <0>; + }; + }; + + cpuintc: interrupt-controller { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + compatible = "mti,cpu-interrupt-controller"; + }; + + intc: interrupt-controller@1fb40000 { + compatible = "econet,en751221-intc"; + reg = <0x1fb40000 0x100>; + interrupt-parent = <&cpuintc>; + interrupts = <2>; + + interrupt-controller; + #interrupt-cells = <1>; + econet,shadow-interrupts = <7 2>, <8 3>, <13 12>, <30 29>; + }; + + uart: serial@1fbf0000 { + compatible = "ns16550"; + reg = <0x1fbf0000 0x30>; + reg-io-width = <4>; + reg-shift = <2>; + interrupt-parent = <&intc>; + interrupts = <0>; + clock-frequency = <1843200>; + }; + + timer_hpt: timer@1fbf0400 { + compatible = "econet,en751221-timer"; + reg = <0x1fbf0400 0x100>; + + interrupt-parent = <&intc>; + interrupts = <30>; + clocks = <&hpt_clock>; + }; +}; diff --git a/arch/mips/boot/dts/econet/en751221_smartfiber_xp8421-b.dts b/arch/mips/boot/dts/econet/en751221_smartfiber_xp8421-b.dts new file mode 100644 index 000000000000..9289dcb2a632 --- /dev/null +++ b/arch/mips/boot/dts/econet/en751221_smartfiber_xp8421-b.dts @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/dts-v1/; + +#include "en751221.dtsi" + +/ { + model = "SmartFiber XP8421-B"; + compatible = "smartfiber,xp8421-b", "econet,en751221"; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x1c000000>; + }; + + chosen { + stdout-path = "/serial@1fbf0000:115200"; + linux,usable-memory-range = <0x00020000 0x1bfe0000>; + }; +}; diff --git a/arch/mips/econet/Kconfig b/arch/mips/econet/Kconfig index d03f90f3daa4..fd69884cc9a8 100644 --- a/arch/mips/econet/Kconfig +++ b/arch/mips/econet/Kconfig @@ -32,6 +32,17 @@ choice config DTB_ECONET_NONE bool "None" + + config DTB_ECONET_SMARTFIBER_XP8421_B + bool "EN751221 SmartFiber XP8421-B" + depends on SOC_ECONET_EN751221 + select BUILTIN_DTB + help + The SmartFiber XP8421-B is a device based on the EN751221 SoC. + It has 512MB of memory and 256MB of NAND flash. This kernel + needs only an appended initramfs to boot. It can be loaded + through XMODEM and booted from memory in the bootloader, or + it can be packed in tclinux.trx format and written to flash. endchoice endif