From: Jeff Kletsky <l...@allycomm.com> This is a QCA4019-based device with a PCI-attached QCA9888 supplying a third radio on 5 GHz. The OEM's firmware and source suggest that this device is "based on Qualcomm AP DK07.1-c1"
Linksys ships four market-specific variants of this device, notated as -AH, -EU, (no suffix), and -CA. They supply four sets of pre-cal board files in their firmware, AH, EU, FCC, and IC. The corresponding files differ from each other, and appear to provide different parameters in the different regions. The OEM firmware copies the appropriate set of files into place based on examining the SKU of the device at boot. These board files may be obtained from extraction of the OEM firmware Ver. 1.1.4.191539, Latest Date: 11/8/2018, 49.0 MB http://downloads.linksys.com/downloads/firmware/FW_EA8300_1.1.4.191539_prod.img Ver. 1.1.3.184925, Latest Date: 11/15/2017, 47.4 MB http://downloads.linksys.com/downloads/firmware/FW_EA8300_1.1.3.184925_prod.img and/or from a running device. There does not appear to be a difference in the board files between the two firmware versions. DTS for the EA8300 under OpenWrt expects that the variant be encoded as, for example, linksys-ea8300-fcc, with the lower-cased suffix indicating the OEM's regional code, or -fcc. The files selected and their original names and organization include: 435d236890521515feffc834218ca594 OEM/IPQ4019/IC/boardData_1_0_IPQ4019_DK04_5G.bin e8858ab9259f7d4372040da1c592d1cc OEM/IPQ4019/IC/boardData_1_0_IPQ4019_DK04_2G.bin d6d7ed00db985b4d8c48ccc3fe10fa87 OEM/IPQ4019/EU/boardData_1_0_IPQ4019_DK04_5G.bin 5cef8208a0345c1469494e44e1f370f1 OEM/IPQ4019/EU/boardData_1_0_IPQ4019_DK04_2G.bin 0e820f5946b5773ad9f4a74809c05b79 OEM/IPQ4019/FCC/boardData_1_0_IPQ4019_DK04_5G.bin 057ed5528e360197c2239796710cb61c OEM/IPQ4019/FCC/boardData_1_0_IPQ4019_DK04_2G.bin 0171919a4576199ae88e8831f72c03fe OEM/IPQ4019/AH/boardData_1_0_IPQ4019_DK04_5G.bin a8e23769dc98da97b6c70a4f601ffca8 OEM/IPQ4019/AH/boardData_1_0_IPQ4019_DK04_2G.bin The files were renamed as follows: for JD in AH EU FCC IC ; do jd=$(echo "$JD" | tr 'A-Z' 'a-z') cp -vp OEM/IPQ4019/${JD}/boardData_1_0_IPQ4019_DK04_2G.bin \ ${dest}/bus=ahb,bmi-chip-id=0,bmi-board-id=20,variant=linksys-ea8300-${jd} cp -vp OEM/IPQ4019/${JD}/boardData_1_0_IPQ4019_DK04_5G.bin \ ${dest}/bus=ahb,bmi-chip-id=0,bmi-board-id=21,variant=linksys-ea8300-${jd} done Renamed board files are individually attached to the IPQ4019 messages. dmesg excerpts are from the device running OpenWrt with locally crafted, aggregate board files. - QCA4019 hw1.0 bus=ahb,bmi-chip-id=0,bmi-board-id=20,variant=linksys-ea8300-ah md5sum: a8e23769dc98da97b6c70a4f601ffca8 bus=ahb,bmi-chip-id=0,bmi-board-id=20,variant=linksys-ea8300-fcc md5sum: 057ed5528e360197c2239796710cb61c bus=ahb,bmi-chip-id=0,bmi-board-id=20,variant=linksys-ea8300-eu md5sum: 5cef8208a0345c1469494e44e1f370f1 bus=ahb,bmi-chip-id=0,bmi-board-id=20,variant=linksys-ea8300-ic md5sum: e8858ab9259f7d4372040da1c592d1cc bus=ahb,bmi-chip-id=0,bmi-board-id=21,variant=linksys-ea8300-eu md5sum: d6d7ed00db985b4d8c48ccc3fe10fa87 bus=ahb,bmi-chip-id=0,bmi-board-id=21,variant=linksys-ea8300-ic md5sum: 435d236890521515feffc834218ca594 bus=ahb,bmi-chip-id=0,bmi-board-id=21,variant=linksys-ea8300-fcc md5sum: 0e820f5946b5773ad9f4a74809c05b79 bus=ahb,bmi-chip-id=0,bmi-board-id=21,variant=linksys-ea8300-ah md5sum: 0171919a4576199ae88e8831f72c03fe -- v2: added .bin file extension
bus=ahb,bmi-chip-id=0,bmi-board-id=20,variant=linksys-ea8300-ah.bin
Description: Binary data
bus=ahb,bmi-chip-id=0,bmi-board-id=20,variant=linksys-ea8300-eu.bin
Description: Binary data
bus=ahb,bmi-chip-id=0,bmi-board-id=20,variant=linksys-ea8300-fcc.bin
Description: Binary data
bus=ahb,bmi-chip-id=0,bmi-board-id=20,variant=linksys-ea8300-ic.bin
Description: Binary data
bus=ahb,bmi-chip-id=0,bmi-board-id=21,variant=linksys-ea8300-ah.bin
Description: Binary data
bus=ahb,bmi-chip-id=0,bmi-board-id=21,variant=linksys-ea8300-eu.bin
Description: Binary data
bus=ahb,bmi-chip-id=0,bmi-board-id=21,variant=linksys-ea8300-fcc.bin
Description: Binary data
bus=ahb,bmi-chip-id=0,bmi-board-id=21,variant=linksys-ea8300-ic.bin
Description: Binary data
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