From: Luka Kovacic Date: Fri, 24 Jul 2020 10:38:37 +0000 (+0200) Subject: ARM: dts: mvebu: Add CRS326-24G-2S board X-Git-Tag: accepted/tizen/unified/20230118.172025~8243^2~33^2~16 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b08770ff622829285d5b113602b1454910b34044;p=platform%2Fkernel%2Flinux-rpi.git ARM: dts: mvebu: Add CRS326-24G-2S board MikroTik CRS326-24G-2S board has a switch chip with an integrated Marvell Prestera 98DX3236 CPU. This commit includes two board variants, namely the factory default one and a Bit variant. The Bit variant has a bigger Macronix flash. This device tree includes basic Linux support. Signed-off-by: Luka Kovacic Cc: Luka Perkov Cc: Jakov Petrina Reviewed-by: Andrew Lunn Signed-off-by: Gregory CLEMENT --- diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index ce66ffd..dcb1dc3 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1340,6 +1340,8 @@ dtb-$(CONFIG_MACH_ARMADA_39X) += \ armada-398-db.dtb dtb-$(CONFIG_MACH_ARMADA_XP) += \ armada-xp-axpwifiap.dtb \ + armada-xp-crs326-24g-2s.dtb \ + armada-xp-crs326-24g-2s-bit.dtb \ armada-xp-db.dtb \ armada-xp-db-dxbc2.dtb \ armada-xp-db-xc3-24g4xg.dtb \ diff --git a/arch/arm/boot/dts/armada-xp-crs326-24g-2s-bit.dts b/arch/arm/boot/dts/armada-xp-crs326-24g-2s-bit.dts new file mode 100644 index 0000000..21f442a --- /dev/null +++ b/arch/arm/boot/dts/armada-xp-crs326-24g-2s-bit.dts @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Device Tree file for MikroTik CRS326-24G-2S+ Bit board + * + * Copyright (C) 2020 Sartura Ltd. + * Author: Luka Kovacic + */ + +#include "armada-xp-crs326-24g-2s.dtsi" + +/ { + model = "MikroTik CRS326-24G-2S+ Bit"; +}; + +&spi0 { + status = "okay"; + + spi-flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "jedec,spi-nor"; + reg = <0>; /* Chip select 0 */ + spi-max-frequency = <108000000>; + m25p,fast-read; + + partition@u-boot { + reg = <0x00000000 0x001f0000>; + label = "u-boot"; + }; + partition@u-boot-env { + reg = <0x001f0000 0x00010000>; + label = "u-boot-env"; + }; + partition@ubi1 { + reg = <0x00200000 0x03f00000>; + label = "ubi1"; + }; + partition@ubi2 { + reg = <0x04100000 0x03f00000>; + label = "ubi2"; + }; + }; +}; diff --git a/arch/arm/boot/dts/armada-xp-crs326-24g-2s.dts b/arch/arm/boot/dts/armada-xp-crs326-24g-2s.dts new file mode 100644 index 0000000..83aef43 --- /dev/null +++ b/arch/arm/boot/dts/armada-xp-crs326-24g-2s.dts @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Device Tree file for MikroTik CRS326-24G-2S+ board + * + * Copyright (C) 2020 Sartura Ltd. + * Author: Luka Kovacic + */ + +#include "armada-xp-crs326-24g-2s.dtsi" + +/ { + model = "MikroTik CRS326-24G-2S+"; +}; + +&spi0 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/armada-xp-crs326-24g-2s.dtsi b/arch/arm/boot/dts/armada-xp-crs326-24g-2s.dtsi new file mode 100644 index 0000000..f3e1a25 --- /dev/null +++ b/arch/arm/boot/dts/armada-xp-crs326-24g-2s.dtsi @@ -0,0 +1,104 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Device Tree file for CRS326-24G-2S board + * + * Copyright (C) 2016 Allied Telesis Labs + * Copyright (C) 2020 Sartura Ltd. + * + * Based on armada-xp-db.dts + * + * Note: this Device Tree assumes that the bootloader has remapped the + * internal registers to 0xf1000000 (instead of the default + * 0xd0000000). The 0xf1000000 is the default used by the recent, + * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier + * boards were delivered with an older version of the bootloader that + * left internal registers mapped at 0xd0000000. If you are in this + * situation, you should either update your bootloader (preferred + * solution) or the below Device Tree should be adjusted. + */ + +/dts-v1/; +#include "armada-xp-98dx3236.dtsi" + +/ { + model = "CRS326-24G-2S+"; + compatible = "mikrotik,crs326-24g-2s", "marvell,armadaxp-98dx3236", "marvell,armada-370-xp"; + + chosen { + bootargs = "console=ttyS0,115200 earlyprintk"; + }; + + memory { + device_type = "memory"; + reg = <0 0x00000000 0 0x20000000>; /* 512 MB */ + }; +}; + +&L2 { + arm,parity-enable; + marvell,ecc-enable; +}; + +&devbus_bootcs { + status = "okay"; + + /* Device Bus parameters are required */ + + /* Read parameters */ + devbus,bus-width = <16>; + devbus,turn-off-ps = <60000>; + devbus,badr-skew-ps = <0>; + devbus,acc-first-ps = <124000>; + devbus,acc-next-ps = <248000>; + devbus,rd-setup-ps = <0>; + devbus,rd-hold-ps = <0>; + + /* Write parameters */ + devbus,sync-enable = <0>; + devbus,wr-high-ps = <60000>; + devbus,wr-low-ps = <60000>; + devbus,ale-wr-ps = <60000>; +}; + +&uart0 { + status = "okay"; +}; + +&uart1 { + status = "okay"; +}; + +&i2c0 { + clock-frequency = <100000>; + status = "okay"; +}; + +&usb0 { + status = "okay"; +}; + +&spi0 { + status = "okay"; + + spi-flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "jedec,spi-nor"; + reg = <0>; /* Chip select 0 */ + spi-max-frequency = <108000000>; + m25p,fast-read; + + partition@u-boot { + reg = <0x00000000 0x001f0000>; + label = "u-boot"; + }; + partition@u-boot-env { + reg = <0x001f0000 0x00010000>; + label = "u-boot-env"; + }; + partition@ubi1 { + reg = <0x00200000 0x00e00000>; + label = "ubi1"; + }; + }; +};