[OpenWrt-Devel] [PATCH 1/2] brcm47xx: Add initial support for Linksys WUMC710

[Michał Osowiecki]

This patch adds support for Linksys WUMC710 AC Media Bridge 
https://wikidevi.com/wiki/Linksys_WUMC710

What works:
- leds
- buttons
- 4.1 and 4.4 kernel 
(320-MIPS-BCM47XX-Devices-database-update-for-4.x.patch needs no change)
- switch (top 3 sockets as configured as LAN, socket next to power 
socket is WAN)
- wan/lan performance is ~100mbit/s

Known issues:
- BCM4360 is not supported so it works like router/switch when compiled 
with "no wifi" profile. Otherwise it segfaults at boot (wifi related) 
but is accessible over ethernet

- There is non critical issue when booting
[    0.149029] bcma: core 0x050e, irq : 2(S)  3  4  5  6  D* I
[    0.149105] bcma: core 0x0534, irq : 2(S)  3  4  5  6  D* I
[    0.149136] ------------[ cut here ]------------
[    0.149178] WARNING: CPU: 0 PID: 1 at drivers/bcma/host_soc.c:140 
bcma_host_soc_aread32+0x40/0x70()
[    0.149189] Accessed core has no wrapper/agent
[    0.149198] Modules linked in:
[    0.149219] CPU: 0 PID: 1 Comm: swapper Not tainted 4.4.0 #1
[    0.149229] Stack : 80319938 00000000 00000001 80360000 83828280 
80356fe3 802fb1c0 00000001
[    0.149229]    803a379c 00000007 00000005 80300000 80300000 80048b00 
80300778 80350000
[    0.149229]    00000003 00000007 802feb7c 8381bc94 80300000 80046adc 
00000002 00000000
[    0.149229]    00000000 00000001 00000000 00000000 00000000 00000000 
00000000 00000000
[    0.149229]    00000000 00000000 00000000 00000000 00000000 00000000 
00000000 00000000
[    0.149229]    ...
[    0.149375] Call Trace:
[    0.149411] [<80014004>] show_stack+0x50/0x84
[    0.149448] [<8002396c>] warn_slowpath_common+0xa0/0xd0
[    0.149470] [<800239c8>] warn_slowpath_fmt+0x2c/0x38
[    0.149492] [<801d3cf4>] bcma_host_soc_aread32+0x40/0x70
[    0.149513] [<801d2210>] bcma_core_mips_irqflag+0x78/0x94
[    0.149532] [<801d229c>] bcma_core_mips_irq+0x28/0x98
[    0.149553] [<801d2b94>] bcma_core_mips_init+0x3cc/0x480
[    0.149572] [<801cc584>] bcma_bus_register+0x194/0x420
[    0.149597] [<80371cb8>] bcm47xx_register_bus_complete+0x20/0x94
[    0.149619] [<8000a07c>] do_one_initcall+0x1f0/0x218
[    0.149640] [<8036fd68>] kernel_init_freeable+0x164/0x224
[    0.149670] [<80005824>] kernel_init+0x14/0x118
[    0.149689] [<80001078>] ret_from_kernel_thread+0x14/0x1c
[    0.149700]
[    0.149740] ---[ end trace b0bb05bbb14c3a7e ]---
[    0.149753] bcma: core 0x05dc, irq : 2(S)  3  4  5  6  D* I

Signed-off-by: Michał Osowiecki <michal.osowiecki at gmail.com>




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