dts: add IPQ4018/IPQ4019 ethernet MAC and ethernet switch definitions
This adds the ethernet MAC and ethernet switch definitions. I've rewritten the header file and the DTS based on documentation and the required driver fields rather than the GPL'ed ones from openwrt. Differential Revision: https://reviews.freebsd.org/D34111 Reviewed by: manu
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Adrian Chadd
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29332c0dce
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b509e53896
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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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#include "qcom-ipq4019.dtsi"
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#include "qcom-ipq4019-ethernet.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/soc/qcom,tcsr.h>
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238
sys/dts/arm/qcom-ipq4019-ethernet.dtsi
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238
sys/dts/arm/qcom-ipq4019-ethernet.dtsi
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@ -0,0 +1,238 @@
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2022 Adrian Chadd <adrian@FreeBSD.org>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <dt-bindings/net/qcom-qca807x.h>
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/ {
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soc {
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mdio: mdio@90000 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "qcom,ipq4019-mdio";
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reg = <0x90000 0x64>;
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status = "disabled";
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};
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ess-switch@c000000 {
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compatible = "qcom,ess-switch";
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reg = <0xc000000 0x80000>;
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resets = <&gcc ESS_RESET>;
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reset-names = "ess_rst";
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clocks = <&gcc GCC_ESS_CLK>;
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clock-names = "ess_clk";
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/*
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* The port bitmap describing which ports are CPU
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* facing. It's almost always going to be port 0
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* (ie bit 0.)
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*/
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switch_cpu_bmp = <0x1>;
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/*
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* The port bitmap describing which ports are in
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* the LAN group. This defaults to VLAN 1 in the
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* switch driver.
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*/
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switch_lan_bmp = <0x1e>;
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/*
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* The port bitmap describing which ports are
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* in the WAN group. This defaults to VLAN 2
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* in the switch driver.
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*/
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switch_wan_bmp = <0x20>;
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/*
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* Which interface to use to talk to an external
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* PHY. In this instance we default to
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* PORT_WRAPPER_PSGMII as we're defaulting to
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* a PSGMII (well, Qualcomm SGMII) facing a 5
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* port Malibu PHY.
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*/
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switch_mac_mode = <0>;
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status = "disabled";
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};
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ess-psgmii@98000 {
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compatible = "qcom,ess-psgmii";
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reg = <0x98000 0x800>;
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status = "disabled";
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};
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edma@c080000 {
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compatible = "qcom,ess-edma";
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reg = <0xc080000 0x8000>;
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/*
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* This is a hold-over from the Qualcomm Linux driver
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* and controls whether to allocate a full PAGE_SIZE
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* page entry per RX buffer or not.
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*
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* For now it's parsed but ignored by FreeBSD.
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*/
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qcom,page-mode = <0>;
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/*
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* This sets the size of the RX head buffer.
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*
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* If qcom,page_mode is set to 1 then this is ignored.
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*
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* Again, this is currently parsed but ignored by
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* FreeBSD.
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*/
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qcom,rx_head_buf_size = <1540>;
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/*
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* These two fields control whether the GMAC driver
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* should be polling the MDIO bus to determine if
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* a gmac interface should be considered link
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* up or down.
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*
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* It currently isn't supported by FreeBSD.
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*/
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qcom,mdio_supported;
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qcom,poll_required = <1>;
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/*
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* How many virtual ethernet interfaces to create.
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* The interfaces are created based on a port bitmap
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* and default VLAN ID.
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*
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* These would do well to map to the default lan/wan
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* bit map fields in the ESS switch configuration
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* above.
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*/
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qcom,num_gmac = <2>;
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/*
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* Support up to 16 TX and 16 RX interrupts.
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* For now the hardware only uses 16 TX and 8
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* RX interrupts/queues, but for some reason
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* they're all allocated just in case.
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*/
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interrupts = <0 65 IRQ_TYPE_EDGE_RISING
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0 66 IRQ_TYPE_EDGE_RISING
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0 67 IRQ_TYPE_EDGE_RISING
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0 68 IRQ_TYPE_EDGE_RISING
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0 69 IRQ_TYPE_EDGE_RISING
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0 70 IRQ_TYPE_EDGE_RISING
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0 71 IRQ_TYPE_EDGE_RISING
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0 72 IRQ_TYPE_EDGE_RISING
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0 73 IRQ_TYPE_EDGE_RISING
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0 74 IRQ_TYPE_EDGE_RISING
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0 75 IRQ_TYPE_EDGE_RISING
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0 76 IRQ_TYPE_EDGE_RISING
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0 77 IRQ_TYPE_EDGE_RISING
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0 78 IRQ_TYPE_EDGE_RISING
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0 79 IRQ_TYPE_EDGE_RISING
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0 80 IRQ_TYPE_EDGE_RISING
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0 240 IRQ_TYPE_EDGE_RISING
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0 241 IRQ_TYPE_EDGE_RISING
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0 242 IRQ_TYPE_EDGE_RISING
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0 243 IRQ_TYPE_EDGE_RISING
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0 244 IRQ_TYPE_EDGE_RISING
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0 245 IRQ_TYPE_EDGE_RISING
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0 246 IRQ_TYPE_EDGE_RISING
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0 247 IRQ_TYPE_EDGE_RISING
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0 248 IRQ_TYPE_EDGE_RISING
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0 249 IRQ_TYPE_EDGE_RISING
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0 250 IRQ_TYPE_EDGE_RISING
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0 251 IRQ_TYPE_EDGE_RISING
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0 252 IRQ_TYPE_EDGE_RISING
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0 253 IRQ_TYPE_EDGE_RISING
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0 254 IRQ_TYPE_EDGE_RISING
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0 255 IRQ_TYPE_EDGE_RISING>;
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status = "disabled";
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/*
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* This is the LAN gmac interface.
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*/
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gmac0: gmac0 {
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/*
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* Default to an all-zero MAC address for
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* this interface. Ideally bootloaders will
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* override this in a DTS overlay but that
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* doesn't happen all that often.
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*
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* If the driver finds an all-zero MAC address
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* and no platform hint / routine for fetching
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* it from flash it will simply choose a
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* random MAC address.
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*
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* Note this isn't programmed into the
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* hardware! The ethernet switch filters what
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* is visible to the ethernet MAC through
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* normal ethernet switch MAC address learning
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* rules.
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*/
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local-mac-address = [00 00 00 00 00 00];
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/*
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* The VLAN tag and port map. Yes, they used
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* the same entry for both fields. The first
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* integer is the default VLAN ID, and second
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* field is the port map.
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*
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* When 802.1q VLANs are not used the switch
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* will simply use the portmap to limit which
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* ports can transmit the frames. It's used
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* for sending broadcast/multicast or flooded
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* traffic.
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*
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* When 802.1q VLANs are used then it's both
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* the portmap and the 802.1q tag port
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* membership that define which ports can
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* be flooded as above.
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*/
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vlan_tag = <1 0x1f>;
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};
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/*
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* This is the WAN gmac interface.
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*/
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gmac1: gmac1 {
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local-mac-address = [00 00 00 00 00 00];
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/*
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* Whether to poll the MDIO port / PHY for
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* link status or not.
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*
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* This is how the interface would get a
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* logical link status for WAN events to tie
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* things like dhclient to.
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*
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* For now it's unsupported in FreeBSD.
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*/
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qcom,phy_mdio_addr = <4>;
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qcom,poll_required = <1>;
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vlan_tag = <2 0x20>;
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};
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};
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};
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};
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81
sys/dts/include/dt-bindings/net/qcom-qca807x.h
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81
sys/dts/include/dt-bindings/net/qcom-qca807x.h
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@ -0,0 +1,81 @@
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2022 Adrian Chadd <adrian@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* DT constants for the Qualcomm QCA807x PHY
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*/
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#ifndef _DT_BINDINGS_NET_QCOM_QCA807X_H__
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#define _DT_BINDINGS_NET_QCOM_QCA807X_H__
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/*
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* PSGMII driver configuration. This controls the TX voltage
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* used between the SoC and the external PHY over the SERDES
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* interface.
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*
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* The default value is 12 (600mV)
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*/
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#define PSGMII_QSGMII_TX_DRIVER_140MV 0
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#define PSGMII_QSGMII_TX_DRIVER_160MV 1
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#define PSGMII_QSGMII_TX_DRIVER_180MV 2
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#define PSGMII_QSGMII_TX_DRIVER_200MV 3
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#define PSGMII_QSGMII_TX_DRIVER_220MV 4
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#define PSGMII_QSGMII_TX_DRIVER_240MV 5
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#define PSGMII_QSGMII_TX_DRIVER_260MV 6
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#define PSGMII_QSGMII_TX_DRIVER_280MV 7
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#define PSGMII_QSGMII_TX_DRIVER_300MV 8
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#define PSGMII_QSGMII_TX_DRIVER_320MV 9
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#define PSGMII_QSGMII_TX_DRIVER_400MV 10
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#define PSGMII_QSGMII_TX_DRIVER_500MV 11
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#define PSGMII_QSGMII_TX_DRIVER_600MV 12
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/*
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* These fields control the PHY power saving based on the
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* cable length.
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*
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* 0 - full amplitude, full bias current
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* 1 - amplitude follows cable length, half bias current
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* 2 - full amplitude, bias current follows cable length
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* 3 - both amplitude and bias current follow cable length
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* 4 - full amplitude, half bias current
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* 5 - amplitude follows cable length, 1/4 bias current
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* when cable length < 10m else half bias current
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* 6 - full amplitude, bias current follows cable length,
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* bias reduced further by half when cable length < 10m
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* 7 - amplitude follows cable length, same bias current
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* setting as '6'
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*/
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#define QCA807X_CONTROL_DAC_FULL_VOLT_BIAS 0
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#define QCA807X_CONTROL_DAC_DSP_VOLT_HALF_BIAS 1
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#define QCA807X_CONTROL_DAC_FULL_VOLT_DSP_BIAS 2
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#define QCA807X_CONTROL_DAC_DSP_VOLT_BIAS 3
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#define QCA807X_CONTROL_DAC_FULL_VOLT_HALF_BIAS 4
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#define QCA807X_CONTROL_DAC_DSP_VOLT_QUARTER_BIAS 5
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#define QCA807X_CONTROL_DAC_FULL_VOLT_HALF_BIAS_SHORT 6
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#define QCA807X_CONTROL_DAC_DSP_VOLT_HALF_BIAS_SHORT 7
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#endif /* __DT_BINDINGS_NET_QCOM_QCA807X_H__ */
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