From: Gary Thomas <gary@mlbassoc•com>
To: Steven Blakeslee <BlakesleeS@embeddedplanet•com>
Cc: Linux PPC Development <linuxppc-dev@ozlabs•org>
Subject: Re: UCC interactions
Date: Mon, 21 Jun 2010 14:23:35 -0600 [thread overview]
Message-ID: <4C1FCA47.7070809@mlbassoc.com> (raw)
In-Reply-To: <1628E43D99629C46988BE46087A3FBB9011BEA2B@ep-01.EmbeddedPlanet.local>
On 06/21/2010 01:19 PM, Steven Blakeslee wrote:
> I believe the offset for UCC3 is wrong. The usermanual says UCC3's
> registers are at 0x2200-0x23FF. 0x4000 is SDMA. Hope that helps.
Looks like that was it (not sure where I got that value from!)
Thanks
>> -----Original Message-----
>> From:
> linuxppc-dev-bounces+blakeslees=embeddedplanet.com@lists•ozlabs.org
>> [mailto:linuxppc-dev-
>> bounces+blakeslees=embeddedplanet.com@lists•ozlabs.org] On Behalf Of
> Gary
>> Thomas
>> Sent: Monday, June 21, 2010 3:00 PM
>> To: Linux PPC Development
>> Subject: UCC interactions
>>
>> I'm running 2.6.33.3 on MPC8358. I have UCC1+UCC2 working fine
>> for ethernet, but when I add UCC3 as a UART, the network devices
>> quit working.
>>
>> Here are my device tree entries:
>> /* ETH0 (UCC1, MDIO 0x02, RMII) */
>> enet_eth0: ethernet@2000 {
>> device_type = "network";
>> compatible = "ucc_geth";
>> cell-index =<1>;
>> reg =<0x2000 0x200>;
>> interrupts =<32>;
>> interrupt-parent =<&qeic>;
>> local-mac-address = [ 00 00 00 00 00 00 ];
>> rx-clock-name = "none";
>> tx-clock-name = "clk16";
>> phy-handle =<&phy_eth0>;
>> phy-connection-type = "rmii";
>> pio-handle =<&pio_ucc1>;
>> linux,network-index =<0>;
>> };
>>
>> /* ETH1 (UCC2, MDIO 0x01, GMII) */
>> enet_eth1: ethernet@3000 {
>> device_type = "network";
>> compatible = "ucc_geth";
>> cell-index =<2>;
>> reg =<0x3000 0x200>;
>> interrupts =<33>;
>> interrupt-parent =<&qeic>;
>> local-mac-address = [ 00 00 00 00 00 00 ];
>> rx-clock-name = "clk4";
>> tx-clock-name = "none";
>> fixed-link =<1 1 1000 0 0>;
>> phy-connection-type = "gmii";
>> pio-handle =<&pio_ucc2>;
>> linux,network-index =<1>;
>> };
>>
>> /* ttyQE0 (UCC3) */
>> serial_qe0: serial@4000 {
>> device_type = "serial";
>> compatible = "ucc_uart";
>> cell-index =<3>;
>> reg =<0x4000 0x200>;
>> interrupts =<34>;
>> interrupt-parent =<&qeic>;
>> port-number =<0>;
>> rx-clock-name = "brg1";
>> tx-clock-name = "brg1";
>> };
>>
>> Are there known interactions between these two drivers/ports?
>> Maybe there's something obviously wrong with my device tree?
>>
>> Thanks for any ideas/pointers
>>
>> --
>> ------------------------------------------------------------
>> Gary Thomas | Consulting for the
>> MLB Associates | Embedded world
>> ------------------------------------------------------------
>> _______________________________________________
>> Linuxppc-dev mailing list
>> Linuxppc-dev@lists•ozlabs.org
>> https://lists.ozlabs.org/listinfo/linuxppc-dev
>
> --
> ExchangeDefender Message Security: Click below to verify authenticity
> http://www.exchangedefender.com/verify.asp?id=o5LJJcQU009752&from=blakeslees@embeddedplanet.com
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------
next prev parent reply other threads:[~2010-06-21 20:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-21 19:00 UCC interactions Gary Thomas
2010-06-21 19:19 ` Steven Blakeslee
2010-06-21 20:23 ` Gary Thomas [this message]
2010-06-22 14:51 ` Timur Tabi
2010-06-22 15:15 ` Chuck Meade
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