XLLTemac with SGDMA working on virtex4FX ?

[Stephen Neuendorffer]

What board are you working on?  Which phy option are you using?
I'm guessing that there's something wrong in that area.

Steve

> -----Original Message-----
> From: linuxppc-dev-bounces+stephen.neuendorffer=xilinx.com at ozlabs.org
[mailto:linuxppc-dev-
> bounces+stephen.neuendorffer=xilinx.com at ozlabs.org] On Behalf Of Simon
Frey
> Sent: Friday, June 13, 2008 7:46 AM
> To: linuxppc-dev at ozlabs.org
> Subject: XLLTemac with SGDMA working on virtex4FX ?
> 
> Hi all,
> 
> does anyone have working driver for xps_ll_temac unsing sg dma and
checksum offload on rx and tx ??
> 
> I use the xlnx kernel with ARCH=powerpc  and a device tree generated
with the gen_mhs_devtree under
> EDK 10.1
> 
> I don't know what's wrong but i can't get or send anything  even the
speed is only 10 Mb/s !
> 
> that's what i get when the kernel starts...
> 
> ## Starting application at 0x004007d0 ...
> Using Xilinx Virtex machine description
> Linux version 2.6.25-xlnx (simon at linux) (gcc version 4.2.2) #11
PREEMPT Fri Jun 13 15:51:29 CEST 2008
> Zone PFN ranges:
>   DMA             0 ->    16384
>   Normal      16384 ->    16384
> Movable zone start PFN for each node
> early_node_map[1] active PFN ranges
>     0:        0 ->    16384
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages:
16256
> Kernel command line: console=ttyS0,115200 ip=dhcp
> Xilinx intc at 0x81800000 mapped to 0xfdfff000
> PID hash table entries: 256 (order: 8, 1024 bytes)
> clocksource: timebase mult[1400000] shift[22] registered
> Console: colour dummy device 80x25
> Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
> Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
> Memory: 61704k/65536k available (2892k kernel code, 3768k reserved,
112k data, 141k bss, 144k init)
> Mount-cache hash table entries: 512
> net_namespace: 536 bytes
> NET: Registered protocol family 16
> NET: Registered protocol family 2
> IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
> TCP established hash table entries: 2048 (order: 2, 16384 bytes)
> TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
> TCP: Hash tables configured (established 2048 bind 2048)
> TCP reno registered
> Installing knfsd (copyright (C) 1996 okir at monad.swb.de).
> io scheduler noop registered
> io scheduler anticipatory registered
> io scheduler deadline registered
> io scheduler cfq registered (default)
> Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing
disabled
> 83e00000.serial: ttyS0 at MMIO 0x83e00003 (irq = 16) is a 16550A
> console [ttyS0] enabled
> brd: module loaded
> loop: module loaded
> Device Tree Probing 'ethernet'
> xilinx_lltemac 81c00000.ethernet: MAC address is now  0: a:35: 0:22: 1
> xilinx_lltemac 81c00000.ethernet: XLlTemac: using DMA mode.
> XLlTemac: Dma base address: phy: 0x84600100, virt: 0xc5010100
> XLlTemac: buffer descriptor size: 32768 (0x8000)
> XLlTemac: Allocating DMA descriptors with kmalloc<6>XLlTemac:
(buffer_descriptor_init) phy:
> 0x3868000, virt: 0xc3868000, size: 0x8000
> XTemac: PHY detected at address 4.
> xilinx_lltemac 81c00000.ethernet: eth0: Xilinx TEMAC at 0x81C00000
mapped to 0xC500E000, irq=17
> mice: PS/2 mouse device common for all mice
> TCP cubic registered
> NET: Registered protocol family 1
> NET: Registered protocol family 17
> RPC: Registered udp transport module.
> RPC: Registered tcp transport module.
> eth0: XLlTemac: Options: 0x3fa
> eth0: XLlTemac: allocating interrupt 19 for dma mode tx.
> eth0: XLlTemac: allocating interrupt 18 for dma mode rx.
> eth0: XLlTemac: speed set to 10Mb/s
> eth0: XLlTemac: Send Threshold = 240, Receive Threshold = 40
> eth0: XLlTemac: Send Wait bound = 254, Receive Wait bound = 254
> Sending DHCP requests ...... timed out!
> IP-Config: Reopening network devices...
> eth0: XLlTemac: Options: 0x3fa
> 
> 
> 
> I can see the led blinking on my switch but don't see nothing using
wireshak !!!
> 
> 
> Finaly, i know the the temac works because i can use it with uboot !!!
even
> at speed 1000.
> 
> In:    serial
> Out:   serial
> Err:   serial
> U-Boot relocated to 03fcf000
> ### main_loop entered: bootdelay=3
> 
> ### main_loop: bootcmd="loooaadd %addr"
> Press Enter within 3 seconds to stop autoboot
> Unknown command 'loooaadd' - try 'help'
> => setenv bootfile zImage.virtex
> => tftp 40000
> eth0: Xilinx XPS LocalLink Tri-Mode Ether MAC #0 at 0x81C00000.
> 1000BASE-T/FD
> TFTP from server 192.168.1.100; our IP address is 192.168.1.200
> Filename 'zImage.virtex'.
> Load address: 0x40000
> Loading:
#################################################################
>          ########################################################
> done
> Bytes transferred = 1772215 (1b0ab7 hex)
> =>
> 
> 
> so if someone already had that problem...
> 
> Thanks in advance
> 
> Simon
> 
> 
> 
>
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