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0e84465cb2
freebsd-skq/sys/mips
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adrian 0e84465cb2 Add GPIO function mux configuration for AR934x SoCs. 
The AR934x (and maybe others in this family) have a more complicated
GPIO mux.  The AR71xx just has a single function register for a handful
of "GPIO or X" options, however the AR934x allows for one of roughly
100 behaviours for each GPIO pin.

So, this adds a quick hints based mechanism to configure the output
functions, which is required for some of the more interesting board
configurations.  Specifically, some use external LNAs to improve
RX, and without the MUX/output configured right, the 2GHz RX side
will be plain terrible.

It doesn't yet configure the "input" side yet; I'll add that if
it's required.

Tested:

* TP-Link TL-WDR3600, testing 2GHz STA/AP modes, checking some
  basic RX sensitivity things (ie, "can I see the AP on the other
  side of the apartment that intentionally has poor signal reception
  from where I am right now.")

Whilst here, fix a silly bug in the maxpin routine; I was missing
a break.
2015-03-21 06:08:35 +00:00
..
adm5120 In order to reduce use of M_EXT outside of the mbuf allocator and 2015-01-06 12:59:37 +00:00
alchemy Fix a typo introduced in r257338. 2013-10-31 02:27:16 +00:00
atheros Add GPIO function mux configuration for AR934x SoCs. 2015-03-21 06:08:35 +00:00
beri Correct the end address of the memory regions. 2014-12-19 12:09:29 +00:00
cavium Implement GPIO_GET_BUS() method for all GPIO drivers. 2015-01-31 19:32:14 +00:00
conf Correct the ixgbe entries in mips and powerpc, and add the module 2015-03-18 16:54:03 +00:00
gxemul Add 32-bit support for Gxemul's oldtestmips machine emulation 2013-09-04 20:34:36 +00:00
idt Mechanically convert to if_inc_counter(). 2014-09-19 09:19:49 +00:00
include Add 128-byte cache flushing routines. 2015-01-20 11:10:25 +00:00
malta Fix undefined behavior: (1 << 31) is not defined as 1 is an int and this 2013-11-30 22:17:27 +00:00
mips Do not qualify the mcontext_t *mcp argument for set_mcontext(9) as 2015-01-31 21:43:46 +00:00
nlm Use sbuf_printf() for sysctl strings instead of static buffers and snprintf. 2015-03-14 23:30:03 +00:00
rmi Use sbuf_printf() for sysctl strings instead of static buffers and snprintf. 2015-03-14 23:30:03 +00:00
rt305x Implement GPIO_GET_BUS() method for all GPIO drivers. 2015-01-31 19:32:14 +00:00
sentry5 Merge from vmobj-rwlock branch: 2013-02-26 01:00:11 +00:00
sibyte Devices that rely on hints or identify routines for discovery need to 2013-10-29 14:07:31 +00:00