[U-Boot] [PATCH] Enable usb ehci support for p2020ds board

[Zang Roy-R61911]

> -----Original Message-----
> From: Felix Radensky [mailto:felix at embedded-sol.com] 
> Sent: Sunday, September 13, 2009 17:19 PM
> To: Zang Roy-R61911
> Cc: U-Boot-Denx; Kumar Gala
> Subject: Re: [U-Boot] [PATCH] Enable usb ehci support for 
> p2020ds board
> 
> Hi, Roy
> 
> Does this mean that USB mass storage devices are actually
> usable on P2020DS ? 
Yes, it works.

> Similar patch for MPC8536DS was
> added during 2008.08 merge window, but USB mass storage
> devices are not recognized by u-boot.
Why? I do not try on 8536DS, but I think it should work. The same ip and
the same code :-).

> Since I don't see any FSL
> ehici driver changes, I suspect situation may be similar on
> P2020DS.
P2020DS and 8536DS should use the same driver. it works. 
user ext2 command  to opertate usb interface.

My log here on P2020:

U-Boot 2009.08-00126-g0fc8f56-dirty (Sep 09 2009 - 18:00:43)

CPU0:  P2020E, Version: 1.0, (0x80ea0010)
Core:  E500, Version: 4.0, (0x80211040)
Clock Configuration:
       CPU0:1199.988 MHz, CPU1:1199.988 MHz,
       CCB:599.994 MHz,
       DDR:333.330 MHz (666.660 MT/s data rate) (Asynchronous),
LBC:37.500 MHz
L1:    D-cache 32 kB enabled
       I-cache 32 kB enabled
Board: P2020DS Sys ID: 0x16, Sys Ver: 0x02, FPGA Ver: 0x03, vBank: 0
I2C:   ready
DRAM:  Initializing....    DDR:  1 GB
FLASH: 128 MB
L2:    512 KB enabled
NAND:  No NAND device found!!!
No NAND device found!!!
No NAND device found!!!
2048 MiB
*** Warning - bad CRC, using default environment

EEPROM: NXID v0

    PCIE2 connected to ULI as Root Complex (base addr ffe09000)
               Scanning PCI bus 01
        02  11  8086  100f  0200  00
        02  1c  10b9  5237  0c03  00
        02  1c  10b9  5237  0c03  00
        02  1c  10b9  5237  0c03  00
        02  1c  10b9  5239  0c03  00
        02  1e  10b9  1575  0601  00
        02  1e  10b9  7101  0680  00
        02  1f  10b9  5229  0101  00
        02  1f  10b9  5288  0101  00
        01  00  10b9  5249  0604  00
    PCIE2 on bus 00 - 02

    PCIE3 connected to Slot 1 as Root Complex (base addr ffe08000)
    PCIE3 on bus 03 - 03

    PCIE1 connected to Slot 2 as Root Complex (base addr ffe0a000)
    PCIE1 on bus 04 - 04
Video: No radeon video card found!
In:    serial
Out:   serial
Err:   serial
SCSI:  AHCI 0001.0000 32 slots 4 ports 3 Gbps 0xf impl IDE mode
flags: ncq ilck pm led clo pmp pio slum part
scanning bus for devices...
Net:   e1000: 00:07:e9:14:4d:e3
eTSEC1, eTSEC2, eTSEC3, e1000#0
Warning: e1000#0 MAC addresses don't match:
Address in SROM is         00:07:e9:14:4d:e3
Address in environment is  00:e0:0c:02:03:fd

Hit any key to stop autoboot:  0
=>
=> help usb
usb - USB sub-system

Usage:
usb reset - reset (rescan) USB controller
usb stop [f]  - stop USB [f]=force stop
usb tree  - show USB device tree
usb info [dev] - show available USB devices
usb storage  - show details of USB storage devices
usb dev [dev] - show or set current USB storage device
usb part [dev] - print partition table of one or all USB storage devices
usb read addr blk# cnt - read `cnt' blocks starting at block `blk#'
    to memory address `addr'
=> usb start
(Re)start USB...
USB:   Register 10011 NbrPorts 1
USB EHCI 1.00
scanning bus for devices... 2 USB Device(s) found
       scanning bus for storage devices... 1 Storage Device(s) found
=> usb info
1: Hub,  USB Revision 2.0
 - u-boot EHCI Host Controller
 - Class: Hub
 - PacketSize: 64  Configurations: 1
 - Vendor: 0x0000  Product 0x0000 Version 1.0
   Configuration: 1
   - Interfaces: 1 Self Powered 0mA
     Interface: 0
     - Alternate Setting 0, Endpoints: 1
     - Class Hub
     - Endpoint 1 In Interrupt MaxPacket 2048 Interval 0ms

2: Mass Storage,  USB Revision 2.0
 - SanDisk U3 Cruzer Micro 0774700CB28059E2
 - Class: (from Interface) Mass Storage
 - PacketSize: 64  Configurations: 1
 - Vendor: 0x0781  Product 0x5406 Version 2.0
   Configuration: 1
   - Interfaces: 1 Bus Powered 200mA
     Interface: 0
     - Alternate Setting 0, Endpoints: 2
     - Class Mass Storage, Transp. SCSI, Bulk only
     - Endpoint 1 In Bulk MaxPacket 512
     - Endpoint 2 Out Bulk MaxPacket 512

=> usb dev 0

USB device 0:
    Device 0: Vendor: SanDisk  Rev: 7.01 Prod: Cruzer
            Type: Removable Hard Disk
            Capacity: 1907.9 MB = 1.8 GB (3907583 x 512)
... is now current device
=> ext2ls usb 0:1
<DIR>       4096 .
<DIR>       4096 ..
         2196128 vmlinuz
=> help ext2load
ext2load - load binary file from a Ext2 filesystem

Usage:
ext2load <interface> <dev[:part]> [addr] [filename] [bytes]
    - load binary file 'filename' from 'dev' on 'interface'
      to address 'addr' from ext2 filesystem
=> ext2load usb 0:1 1000000 vmlinuz
Loading file "vmlinuz" from usb device 0:1 (usbda1)
2196128 bytes read
=> md 1000000
01000000: ea0500c0 078cc88e d88ec08e d031e4fb    .............1..
01000010: fcbe2d00 ac20c074 09b40ebb 0700cd10    ..-.. .t........
01000020: ebf231c0 cd16cd19 eaf0ff00 f0446972    ..1..........Dir
01000030: 65637420 626f6f74 696e6720 66726f6d    ect booting from
01000040: 20666c6f 70707920 6973206e 6f206c6f     floppy is no lo
01000050: 6e676572 20737570 706f7274 65642e0d    nger supported..
01000060: 0a506c65 61736520 75736520 6120626f    .Please use a bo
01000070: 6f74206c 6f616465 72207072 6f677261    ot loader progra
01000080: 6d20696e 73746561 642e0d0a 0a52656d    m instead....Rem
01000090: 6f766520 6469736b 20616e64 20707265    ove disk and pre
010000a0: 73732061 6e79206b 65792074 6f207265    ss any key to re
010000b0: 626f6f74 202e202e 202e0d0a 00000000    boot . . .......
010000c0: 00000000 00000000 00000000 00000000    ................
010000d0: 00000000 00000000 00000000 00000000    ................
010000e0: 00000000 00000000 00000000 00000000    ................
010000f0: 00000000 00000000 00000000 00000000    ................
=>