[U-Boot-Users] PPC 440EP Ethernet question

[Steven Blakeslee]

Do you have the pins setup properly.  They default to tri-state gpio and
need to be setup as ethernet pins. 

> -----Original Message-----
> From: u-boot-users-admin at lists.sourceforge.net 
> [mailto:u-boot-users-admin at lists.sourceforge.net] On Behalf 
> Of Jacob Simu
> Sent: Friday, June 17, 2005 10:21 AM
> To: u-boot-users at lists.sourceforge.net
> Subject: [U-Boot-Users] PPC 440EP Ethernet question
> 
> Hello!
> 
> I've managed to port U-boot for our board with a 440EP 
> processor. But I have problem to get the ethernet working. We 
> use a Altima AC104Z PHY. I can read out all PHY register and 
> they seem to be correct.
> I have tried both RMII mode with the 405gp_enet.c and SMII 
> mode with the 440gx_enet.c implementation.
> 
> The PHY initiation looks fine. But when trying to ping or 
> tftp I get no connection.
> 
> I can see that I enter the eneInt interrupt handler.
> 
> If anyone has a hint or tips on any diffrences on the 440EP 
> regarding ethernet please let me know.
> 
> Below I send the serial output from a SMII run.
> 
> Best regards,
> 
> Jacob.
> 
> 
> /*********************************************************/
> 
> U-Boot 1.1.2 (Jun 17 2005 - 16:09:33)
> 
> IBM PowerPC 440 GUNKNOWN (PVR=422218d3)
> Board: IBM 440EP Board (OPVDR)
>         VCO: 800 MHz
>         CPU: 400 MHz
>         PLB: 100 MHz
>         OPB: 50 MHz
>         EPB: 50 MHz
> I2C:   ready
> DRAM:  128 MB
> Top of RAM usable for U-Boot at: 07fff000 Reserving 179k for 
> U-Boot at: 07fd2000 Reserving 132k for malloc() at: 07fb1000 
> Reserving 144 Bytes for Board Info at: 07fb0f70 Reserving 48 
> Bytes for Global Data at: 07fb0f40 Stack Pointer at: 07fb0f28 
> New Stack Pointer is: 07fb0f28 Now running in RAM - U-Boot 
> at: 07fd2000
> FLASH: mfg_code 39
> dev_code 79
> FLASH ADDR: fff80000
> FLASH MANUFACT: 1
> 
> FLASH DEVICEID: 4f
> 512 kB
> PCI: CPC0_STRP1[PISE] not set.
> PCI: Configuration aborted.
> In:    serial
> Out:   serial
> Err:   serial
> U-Boot relocated to 07fd2000
> Net:   ppc_440x_eth0, ppc_440x_eth1
> => ping xxx.xxx.xxx.xxx
> Trying ppc_440x_eth0
> About preceeding transfer (eth0):
> - Sent packet number 0
> - Received packet number 0
> - Handled packet number 0
> devnum:0 ZMII_FER:c0000000
> Waiting for PHY auto negotiation to complete.. done TX_BUFF 0 
> @ 0x07fb24a8 RX_BUFF 0 @ 0x07ffce80 RX_BUFF 1 @ 0x07ffd480 
> RX_BUFF 2 @ 0x07ffda80 RX_BUFF 3 @ 0x07ffe080 Installing IRQ 
> handlers //Own debug output Using ppc_440x_eth0 device
> 
> 
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