January 2004 - U-Boot

[U-Boot-Users] Env in flash
by Ed Okerson 29 Jan '04

29 Jan '04

When I build U-Boot with CFG_ENV_IS_NOWHERE the system boots and runs fine, but I am trying to move to a flash environment so I define CFG_ENV_IS_IN_FLASH and set the appropriate CFG_ENV_ADDR, CFG_ENV_SIZE, and CFG_ENV_SECT_SIZE to put the environment in an empty flash sector. After doing that however, U-Boot hangs after displaying the amount of flash on the board. Is there something I need to do to initialize the environment sector? Ed Okerson

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[U-Boot-Users] i386 ram data segment
by David Updegraff 29 Jan '04

29 Jan '04

Hi. May I request help in understanding the i386boot_romdata_* values? I am a newbie to the PC-compat. world; starting work on an SC520 board, working from helpfull guidance in sc5230_cdp. Is there a sub-group of uboot-i386 I should direct this to? Is the value of 0x400000 (4M) critical there? Or why so? Then when making u-boot.bin with objcopy, if I include --gap-fill, I end up logically with an absolutely HUGE .bin; so presumeably one has to patch that. Cheers. -- Dave Updegraff <dave(a)cray.com>

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[U-Boot-Users] MPC852 support
by peter.grubmaier＠chello.at 29 Jan '04

29 Jan '04

Hi, I just wanted to know if MPC852 is already supported by U-boot (especially the 100/10Mbit ehternet controller). Best regards Peter

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[U-Boot-Users] Fwd: PPC405H ethernet receive problems
by Ryan Harkin 29 Jan '04

29 Jan '04

OK, sorry about sending my message to the list without enough research into my problem. I have just found out that the Interrupt controller on the NP405H is a bit like a hybrid between the one for CONFIG_440 and the generic 405. 405ep seems to have only one UIC, 405h has UIC0 and UIC1. I also forgot to mention that I am using u-boot-1.0.0 with no patches , just my own mods. I notice that there is an ASH405.h in include/configs. This does not set CONFIG_440 and doesn't seem to change the interrupt vectors at all. Does anyone here know anything about this port? Or has anyone else encountered the same interrupt controller issue as I have? I am in the process of modofying the interrupt code now, but if there are patches for this the I would be very interested in seeing them. Cheers, Ryan. > -----Original Message----- > From: omnium(a)ziplip.com [mailto:omnium@ziplip.com] > Sent: Thursday, January 29, 2004, 4:49 AM > To: u-boot-users(a)lists.sourceforge.net > Subject: PPC405H ethernet receive problems > > Hi, I'm new! > > I am porting u-boot to a custom board with a NP405H processor and an Intel > LXT973 dual phy. > > I have had a lot of success so far: I have brought the board up and can boot > the kernel (without networking). > > My network setup is different to the standard eval boards such as the IBM Ash > board. I am using MII to talk to the phy with EMAC0 and 2, the ASH uses RMII. > Currently I am only trying to support EMAC0 and ignore EMAC2. > > So far, the only mod I have made to cpu/ppc4xx/405gp_enet.c is to add to the > start of ppc_4xx_eth_init: > > out32 (ZMII_FER, ZMII_MDI0 | ZMII_MII0 | ZMII_MII2); > out32 (ZMII_SSR, 0x55550000); > > (this is just before the "/* EMAC RESET */" comment). This should place my > cpu into MII mode at the correct speed for my test network. > > I can transmit bootp requests and I can send out ARP requests as part of a > ping. I verified this using Ethereal on my Linux host. > > My problem is reception. I see nothing! The receive LED blinks on the PHY > and Ethereal shows DHCP_OFFER messages in response to the request or ARP > messages in response to a ping. > > Debugging using a Lauterbach (sorry, it's not a BDI2000!) shows that I never > get a breakpoint on "enetInt" and therefore never receive any packets. > > Unfortunately, I am fairly clueless when it comes to this chip and ethernet in > general and hope that someone could point out some likely problems. > > I have tested reception on the EMAC using some hardware test software written > by a colleague, so I know that it CAN receive data. However, this program > polls the EMAC rather than uses interrupts to receive data. > > I suspect that using MII rather than RMII may be a clue, but don't know where > to proceed. > > Any help would be appreciated. Please excuse me if I've missed any obvious > details. > > Many thanks, > Ryan Harkin.

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[U-Boot-Users] Question about PXA25x-based boards
by Herb Radford 29 Jan '04

29 Jan '04

Took a look in my U-Boot 1.0.0 directories and noticed that there are 4 boards which appear to be PXA-based. My question is:- Is this a complete port of U-Boot or is it a "work in progress"? I'm just trying to get an early feel for the work involved in using a PXA255-based board. Thanks for any input. Regards, Herb --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.559 / Virus Database: 351 - Release Date: 1/7/2004

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[U-Boot-Users] PPC405H ethernet receive problems
by omnium＠ziplip.com 29 Jan '04

29 Jan '04

Hi, I'm new! I am porting u-boot to a custom board with a NP405H processor and an Intel LXT973 dual phy. I have had a lot of success so far: I have brought the board up and can boot the kernel (without networking). My network setup is different to the standard eval boards such as the IBM Ash board. I am using MII to talk to the phy with EMAC0 and 2, the ASH uses RMII. Currently I am only trying to support EMAC0 and ignore EMAC2. So far, the only mod I have made to cpu/ppc4xx/405gp_enet.c is to add to the start of ppc_4xx_eth_init: out32 (ZMII_FER, ZMII_MDI0 | ZMII_MII0 | ZMII_MII2); out32 (ZMII_SSR, 0x55550000); (this is just before the "/* EMAC RESET */" comment). This should place my cpu into MII mode at the correct speed for my test network. I can transmit bootp requests and I can send out ARP requests as part of a ping. I verified this using Ethereal on my Linux host. My problem is reception. I see nothing! The receive LED blinks on the PHY and Ethereal shows DHCP_OFFER messages in response to the request or ARP messages in response to a ping. Debugging using a Lauterbach (sorry, it's not a BDI2000!) shows that I never get a breakpoint on "enetInt" and therefore never receive any packets. Unfortunately, I am fairly clueless when it comes to this chip and ethernet in general and hope that someone could point out some likely problems. I have tested reception on the EMAC using some hardware test software written by a colleague, so I know that it CAN receive data. However, this program polls the EMAC rather than uses interrupts to receive data. I suspect that using MII rather than RMII may be a clue, but don't know where to proceed. Any help would be appreciated. Please excuse me if I've missed any obvious details. Many thanks, Ryan Harkin.

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[U-Boot-Users] A couple of newbie questions.
by Anders Öhlander 29 Jan '04

29 Jan '04

Hi all u-boot users 1) I have a question about how to build a u-boot image that will be downloaded to flash memory. I am running a OKI67ML5001 CPU with ARM7TDMI core. I will save the u-boot image to flash and when starting up reallocate the u-boot code to SDRAM. How do I configure it ? I have tried with changning TEXT_BASE parameter, but in that case the whole mapping was moved to the new address. I am looking for one copy to SDRAM address and one flash address to store the u-boot. 2) My ARM7TDMI CPU have also possibillity to change mapping in run-time. Is there any support in u-boot for remapping in run-time ? 3) The parameters that I can store in flash with the u-boot (ENV_) can uClinux read and use them ? Or has Linux own parameter ? 4) How do I config a filesystem to be used with u-boot ? I have seen something about a romfs or jffs2 filesystem. Can I store uClinux images in a filesystem that u-boot can read and download to SDRAM and start. Can you give me more information here ! Thanks in advance. Have a nice day. /Anders

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[U-Boot-Users] PCI Configuration
by sudhakar rajashekhara 29 Jan '04

29 Jan '04

Hi, I am facing some problems during the PCI initialization of U-boot on MPC8280. If I disbale PCI initialization in U-Boot will Linux Kernel initialize PCI when it is coming up ?(When PCI has been enabled in the kernel) regards, Sudhakar. __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free web site building tool. Try it! http://webhosting.yahoo.com/ps/sb/

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RE: [U-Boot-Users] U-boot for MIPS - problem using latest gcc
by Jerry Walden 29 Jan '04

29 Jan '04

My toolchain builds the latest mips kernel and the kernel runs perfectly. If you look in start.S - there is a branch to memsetup. In start.S there is NO definition of this symbol (i.e. as an external or otherwise). The start.S file includes some files, none of which have any reference to memsetup. Does the toolchain in ELDK assume that any symbol which is not defined as an extern, or is not defined in the file as a direct label, must be external? Makes no sense to me. -----Original Message----- From: Wolfgang Denk [mailto:wd@denx.de] Sent: Wednesday, January 28, 2004 2:48 PM To: Jerry Walden Cc: u-boot-users(a)lists.sourceforge.net Subject: Re: [U-Boot-Users] U-boot for MIPS - problem using latest gcc In message <603BA0CFF3788E46A0DB0918D9AA95100A0E2F3D(a)sj580004wcom.int.lantronix.com > you wrote: > First - I downloaded u-boot v1.0 I could ask wy you use an old version, but it does not matter here. > Then - I changed CROSS_COMPILE to be the latest MIPS compiler See below. > Then - I did a make dbau1x00_config > Then - I did a make all. > Memsetup.S is definitely in board/dbau1x00/ > So - the file is not missing. Indeed. And actually this is building fine: -> tar jxf /opt/tarballs/u-boot-1.0.0.tar.bz2 -> cd u-boot-1.0.0 -> MAKEALL dbau1x00 rm -f include/config.h include/config.mk Configuring for dbau1x00 board... net.c: In function `NetStartAgain': net.c:492: warning: integer overflow in expression text data bss dec hex filename 112120 4760 17252 134132 20bf4 u-boot > Since it is not missing - it must be "incorrect". What would > "incorrect be"? Since all of your steps except one work fine here I can only speculate that the problem must be in the step where we do things differently: I use a working compiler. Seems your toolchain has some problems? Best regards, Wolfgang Denk -- See us @ Embedded World, Nuremberg, Feb 17 - 19, Hall 12.0 Booth 440 Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd(a)denx.de "I haven't lost my mind - it's backed up on tape somewhere."

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[U-Boot-Users] MPC852 support
by peter.grubmaier＠chello.at 29 Jan '04

29 Jan '04

Hi, I just wanted to ask if anybody knows wether MPC852 (especially its 10/100Mbit ethernet IF ) is already supported U-boot or not. Thanks in advance Peter

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