I believe the offset for UCC3 is wrong. The usermanual says UCC3's registers are at 0x2200-0x23FF. 0x4000 is SDMA. Hope that helps.
> -----Original Message----- > From: linuxppc-dev-bounces+blakeslees=embeddedplanet....@lists.ozlabs.org > [mailto:linuxppc-dev- > bounces+blakeslees=embeddedplanet....@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: ether...@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: ether...@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: ser...@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=blakesl...@embeddedplanet.com _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
