Date: Tue, 17 Aug 2010 11:42:53 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: adrian.chadd@gmail.com Cc: freebsd-mips@freebsd.org Subject: Re: WIP: AR91XX (and AR724X, maybe) support Message-ID: <20100817.114253.59640143227151420.imp@bsdimp.com> In-Reply-To: <AANLkTi=xyR8RVRjHBs-2qU8-WodHVysmmE=H66f7DfEi@mail.gmail.com> References: <AANLkTi=xyR8RVRjHBs-2qU8-WodHVysmmE=H66f7DfEi@mail.gmail.com>
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In message: <AANLkTi=xyR8RVRjHBs-2qU8-WodHVysmmE=H66f7DfEi@mail.gmail.com>
Adrian Chadd <adrian.chadd@gmail.com> writes:
: Hi everyone,
:
: I've purchased a TP-LINK TL-WR1043ND which has an AR9132 SoC (+
: on-chip AR9100 11n) in it.
Cool! I've got a AR91xx-based wireless N router (D-LINK DIR-625 rev
C1). I too tried to do some porting, but discovered that the netboot
functionality had been removed from the roms. How are you loading
your kernel?
Warner
: I've begun porting AR91xx and AR724X support over from Linux. Sans USB
: support, the kernel boots to mountroot>.
:
: This (currently GPL-tainted, so don't commit it!) patch is against -head:
:
: http://people.freebsd.org/~adrian/rspro/ar91xx-support.1.diff
:
: The patch introduces a set of CPU operations which implement the main
: per-chip differences.
:
: The dmesg (without USB; so it doesn't panic early in startup):
:
: http://people.freebsd.org/~adrian/rspro/dmesg-TL-WR1943ND.txt
:
: USB panics shortly after probe:
:
: ehci0: <AR71XX Integrated USB 2.0 controller> at mem
: 0x1b000000-0x1bffffff irq 1 on nexus0
: ehci0: [ITHREAD]
: usbus0: set host controller mode
: usbus0: EHCI version 0.42
: Trap cause = 5 (address error (store) - kernel mode)
: [ thread pid 0 tid 100000 ]
: Stopped at generic_bs_w_4+0x4: sw a3,0(a1)
:
: I've tested this patch on my AR7161 (in the routerstation pro) and
: have booted it to multi-user mode.
:
: Platform stuff that needs doing:
:
: * Need to finish porting the AR91xx related stubs
: * Need to finish porting (but not test :/) the AR724X related stubs
: * The USB code panics, figure out what is missing there
: * Add stubs for USB DDR flushing (which aren't used at the moment, but
: I'll get to it)
: * Add a stub to control the peripherals currently controlled via GPIO
: pins. At least USB differs between the two.
: * Modify if_arge to use the cpu op struct to get and set the pll
: * Add in the WMAC specifics for the AR91xx
: * If I can find an AR724x, find the PCIe specifics
:
: General stuff:
:
: * Go digging through the rest of the Linux headers and figure out what
: other differences there are; implement those
: * Finish rewriting the GPL chunks that are left
:
: Board stuff:
:
: * Find the flash device details; modify the flash driver to support that
: * Find out why arge0/arge1 aren't being correctly probed (arge0 has no
: PHY; arge1 has a bogus MAC) and rectify the situation enough so one of
: the interfaces is usable
:
:
:
: Adrian
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