[FS#1405] Brcm47xx Board Detection NOT WORKING FOR ASUS RT-N15U

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - TACUAR (tacuar) 

Attached to Project - OpenWrt/LEDE Project
Summary - Brcm47xx Board Detection NOT WORKING FOR ASUS RT-N15U
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - DEVICE: ASUS RT-N15U
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CPU1: Broadcom BCM47186B0 (500 MHz)
FLA1: 8 MiB (Macronix MX25L6405EMI-12G)
RAM1: 64 MiB (Micron MT47H32M16HR-3:F × 1)
WI1 chip1: Broadcom BCM47186B0
WI1 802dot11 protocols: bgn
WI1 MIMO config: 2x2:2
WI1 antenna connector: none
ETH chip1: Broadcom BCM47186B0
Switch: Broadcom BCM53125S
LAN speed: 10/100/1000
LAN ports: 4
WAN speed: 10/100/1000
WAN ports: 1

FIRMWARE FLASHED
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LEDE TRUNK, THE LATEST VERSION

BUGS REPORT:
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It seems after flashing the lede firmware, the brcm47xx board detection not working for this unit.

Under luci first "status" page, the "model" of the wireless router shows "unknown board" instead of the correct model number. For example, ASUS RT-N15U

When i flash back to cc15.05.1 or bb14.07, the luci will show the correct model no. of the router.

There are so many models of the brcm47xx series and several of them can not be displayed and recognized.
 

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1405