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FS#797 - Asus RT-N12 rev. D1: Wireless not detected #5757

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openwrt-bot opened this issue May 20, 2017 · 4 comments
Closed

FS#797 - Asus RT-N12 rev. D1: Wireless not detected #5757

openwrt-bot opened this issue May 20, 2017 · 4 comments
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@openwrt-bot
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qwertychouskie:

The wireless system is not detected in LEDE. It seems to work fine with DD-WRT: http://www.dd-wrt.com/phpBB2/viewtopic.php?p=934736

Supply the following if possible:

  • Device problem occurs on: ASUS RT-N12 D1
  • Software versions of LEDE release, packages, etc.: Latest release
  • Steps to reproduce: Install LEDE, open LuCi, see no wireless interfaces
@openwrt-bot
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qwertychouskie:

How do I change the severity level on this? A wireless router without wireless is kind of useless...

@openwrt-bot
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h1onlede:

This severe bug bites me too, same router. Let me add some details:
Lede 17.01.2 , lede-17.01.2-brcm47xx-mips74k-asus-rt-n12-d1-squashfs.trx

After correcting the switch (issue #502) ethernet works as expected, but there is no wifi at all. No wl0 device, /etc/config/wireless is missing, and 'wifi config' creates just an empty file there. So clearly the wifi chip is not detected at all ...

root@LEDE:# cat /proc/cpuinfo
system type : Broadcom BCM53572
machine : Asus RT-N12D1
processor : 0
cpu model : MIPS 74Kc V4.9
BogoMIPS : 149.91
wait instruction : yes
microsecond timers : yes
tlb_entries : 32
extra interrupt vector : yes
hardware watchpoint : yes, count: 4, address/irw mask: [0x0ffc, 0x0ffc, 0x0ffb, 0x0ffb]
isa : mips1 mips2 mips32r1 mips32r2
ASEs implemented : mips16 dsp dsp2
shadow register sets : 1
kscratch registers : 0
package : 0
core : 0
VCED exceptions : not available
VCEI exceptions : not available

root@LEDE:# dmesg
...
[ 0.000000] bcma: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x27, class 0x0)
[ 0.000000] bcma: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x1C, class 0x0)
[ 0.000000] bcma: bus0: Core 2 found: GBit MAC (manuf 0x4BF, id 0x82D, rev 0x03, class 0x0)
[ 0.000000] bcma: bus0: Core 3 found: MIPS 74K (manuf 0x4A7, id 0x82C, rev 0x05, class 0x0)
[ 0.000000] bcma: bus0: Core 4 found: SDR/DDR1 Memory Controller (manuf 0x4BF, id 0x835, rev 0x02, class 0x0)
[ 0.000000] bcma: bus0: Found rev 9 PMU (capabilities 0x28982A09)
[ 0.000000] bcma: bus0: Found serial flash
[ 0.000000] bcma: bus0: Found M25P64 serial flash (size: 8192KiB, blocksize: 0x10000, blocks: 128)
[ 0.000000] bcma: bus0: Early bus registered
[ 0.000000] MIPS: machine is Asus RT-N12D1
...
[ 0.162552] bcma: bus0: Using SPROM revision 8 provided by platform.
[ 0.162604] bcma: bus0: PMU resource config unknown or not needed for device 0xD144
[ 0.164633] bcma: bus0: Workarounds unknown or not needed for device 0xD144
[ 0.164658] bcma: bus0: Initializing MIPS core...
[ 0.164699] bcma: bus0: set_irq: core 0x0812, irq 3 => 3
[ 0.164734] bcma: bus0: set_irq: core 0x082d, irq 4 => 4
[ 0.164766] bcma: bus0: set_irq: core 0x0800, irq 2 => 2
[ 0.164788] bcma: bus0: IRQ reconfiguration done
[ 0.164811] bcma: core 0x0800, irq : 2(S)* 3 4 5 6 D I
[ 0.164881] bcma: core 0x0812, irq : 2(S) 3* 4 5 6 D I
[ 0.164944] bcma: core 0x082d, irq : 2(S) 3 4* 5 6 D I
[ 0.165004] bcma: core 0x082c, irq : 2(S) 3 4 5 6 D I*
[ 0.165066] bcma: core 0x0835, irq : 2(S) 3 4 5 6 D* I
[ 0.166841] bcma: bus0: Bus registered
...

and no dmesg line mentioning anything with wifi at all ...

According to https://lede-project.org/toh/hwdata/asus/asus_rt-n12_d1 the wifi chip is:
WLAN Hardware:
Broadcom BCM5357C0 (integrated)

and dmesg lists it as bus 0 core 1, but it seems the driver is missing? In this [[https://forum.openwrt.org/viewtopic.php?id=52004|forum thread]] I read that Zajec wrote that
WiFi on BCM5357C0 is still unsupported :-( There is work in progress, but I have a bit too much on my head.
but later the Chaos Calmer release had a working wifi? And used a bcm53xx target?

@Djfe
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Djfe commented Feb 20, 2023

This is a 8/32 device with an unsupported broadcom wifi chip. I don't see any value in keeping this open @hauke

@hauke
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hauke commented Feb 26, 2023

The wifi IP core is probably unsupported.

@hauke hauke closed this as completed Feb 26, 2023
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