Re: [U-Boot] u-boot for x86 Core2Duo target
Zvi wrote... On my next project, the target is Core2Duo (AMPRO's COM840). Is it a wise decision to use u-boot on this target ? Probably not! Ampro will already have invested a lot of time and effort in porting the BIOS to that board and are giving you a device that works out of the box. If there is a specific issue that you have with their board then talk to Ampro and they may look into it for you. Is it a huge project to port it to another x86 target that has a different ethernet controller ? In the first instance it will rely on you being able to get all of the information that you need in order to initialise all of the respective hardware and some of the x86 CPU and chipset vendors limit who they make it available to. There are other questions you will need to ask, for instance. Are you using the VGA display? If so, will your operating system device driver work without the video BIOS having done the initialisation or some of the other services provided by it? The u-boot image is loader by the BIOS from compact flash via SATA. As Graeme Russ said, U-Boot would replace the BIOS. I haven't looked at the board but I would assume the BIOS can be in-situ updated. In the first instance you could try the flash update utility that goes along with the BIOS to see if it will reprogram it with an arbitrary binary. It may not do as it may have a write protected boot block that you can't replace. Andy. ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
[U-Boot] u-boot for x86 Core2Duo target
Hello, I'm using u-boot on PPC405 (ML405) for about 3 years. It is a great boot loader ! On my next project, the target is Core2Duo (AMPRO's COM840). Is it a wise decision to use u-boot on this target ? I prefare u-boot over grub or vxworks bootloader because it has many features. If I understand correctly, sc520 is the only x86 target supported. Is it a huge project to port it to another x86 target that has a different ethernet controller ? The u-boot image is loader by the BIOS from compact flash via SATA. What is the procedure for writing u-boot image on this flash ? Thanks. ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] u-boot for x86 Core2Duo target
On 19/02/11 11:04, Zvi Vered wrote: Hello, I'm using u-boot on PPC405 (ML405) for about 3 years. It is a great boot loader ! On my next project, the target is Core2Duo (AMPRO's COM840). Is it a wise decision to use u-boot on this target ? I've had a quick look at the board on the Ampro website and it looks like the type of design well suited to U-Boot I prefare u-boot over grub or vxworks bootloader because it has many features. If I understand correctly, sc520 is the only x86 target supported. At this point in time, yes Is it a huge project to port it to another x86 target that has a different ethernet controller ? Only one way to find out ;) The u-boot image is loader by the BIOS from compact flash via SATA. No, U-Boot replaces the BIOS completely What is the procedure for writing u-boot image on this flash ? You will need to determine if the BIOS chip in the COM 840 can be reprogrammed and if so, how Regards, Graeme ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
