coreboot November 2004

coreboot@coreboot.org

31 participants
183 discussions

Stuck. Compile error with a clean tree.
by Adam Talbot 29 Nov '04

29 Nov '04

Any one have an idea on this error? I grab a new copy of the freebios2 tree. cvs -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/freebios login cvs -z3 -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/freebios co freebios2 cd ~/freebios2/targets/ ./buildtarget digitallogic/adl855pc cd digitallogic/adl855pc/adl855pc make gcc -m32 -nostdlib -nostartfiles -static -o linuxbios -T ldscript.ld crt0.o /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.4/../../../../i686-pc-linux-gnu/bin/l d: section .reset [00000000fffdfff0 -> 00000000fffdffff] overlaps section .rom [00000000fffd54f8 -> 00000000fffe686f] /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.4/../../../../i686-pc-linux-gnu/bin/l d: section .id [00000000fffdffce -> 00000000fffdffef] overlaps section .rom [00000000fffd54f8 -> 00000000fffe686f] collect2: ld returned 1 exit status make[1]: *** [linuxbios] Error 1 make[1]: Leaving directory `/root/freebios2/targets/digitallogic/adl855pc/adl855pc/normal' make: *** [normal/linuxbios.rom] Error 1 Here I stand stuck. fixing memory problems is beyond my C skill's -Adam Talbot

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RE: Any one have a "How to" on vga?
by YhLu 29 Nov '04

29 Nov '04

What's your VGA chip? Currently ati rage xl initialized in LinuxBIOS stage (dev init). --- via framebuffer and btext. Some XGI blade has some code in drivers dir too. Otherwise You need to get the system boot into Linux and use vgabios to call vga rom to init VGA. If you have problem before that, you need to stick to serial port to get debug message. YH -----Original Message----- From: Adam Talbot [mailto:talbotx@comcast.net] Sent: Monday, November 29, 2004 6:18 PM To: linuxbios(a)clustermatic.org Subject: Any one have a "How to" on vga? OK, can any one give me a quick how to on setting up VGA? I have the system booting, kinda, and I would like to see if can get the VGA bios loaded. _______________________________________________ Linuxbios mailing list Linuxbios(a)clustermatic.org http://www.clustermatic.org/mailman/listinfo/linuxbios

2 1

get_pbus
by YhLu 29 Nov '04

29 Nov '04

Every pci_read_config and pci_write_config need to findout top parenent bus to get bus ops. (get_pbus). It looks weird.... YH

2 1

RE: Stuck. Compile error with a clean tree.
by Ronald G. Minnich 29 Nov '04

29 Nov '04

On Mon, 29 Nov 2004, Dave Aubin wrote: > Although this will only help you if you are getting to a 2.6 kernel > And have a network connection. he's nowhere near that far. He's got to get the northbridge working so memory works. It doesn't. serial port is the only way. ron

1 0

RE: Stuck. Compile error with a clean tree.
by Dave Aubin 29 Nov '04

29 Nov '04

Do you have access to the network? If you don't have a com cable (like I did in the beginning) then You could try netconsole. Here are some links to what it is. http://lwn.net/Articles/43852/ http://technocrat.net/article.pl?sid=04/08/14/0236245&mode=nested Although this will only help you if you are getting to a 2.6 kernel And have a network connection. Dave -----Original Message----- From: linuxbios-admin(a)clustermatic.org [mailto:linuxbios-admin@clustermatic.org] On Behalf Of Adam Talbot Sent: Monday, November 29, 2004 5:19 PM To: Ronald G. Minnich Cc: linuxbios(a)clustermatic.org Subject: Re: Stuck. Compile error with a clean tree. Clean compile of the adl855pc. I changed 2 lines in the config and added one. added: option ROM_SIZE=524288 normal, changed: option ROM_IMAGE_SIZE=0x10000 to option ROM_IMAGE_SIZE=0x15000 fallback, changed: option ROM_IMAGE_SIZE=0x10000 to option ROM_IMAGE_SIZE=0x15000 Still get garbage to the screen... Bad cable? Switched cables, same. Idea, added console redirect to my grub.conf set the speed to 115200 8n1, works fine. Hummm What does it take to get the onboard VGA running? Can you give me a quick "how to"? -Adam Talbot ----- Original Message ----- From: "Ronald G. Minnich" <rminnich(a)lanl.gov> To: "Adam Talbot" <talbotx(a)comcast.net> Cc: <linuxbios(a)clustermatic.org> Sent: Monday, November 29, 2004 1:47 PM Subject: Re: Stuck. Compile error with a clean tree. > that's odd, in the adl855pc I got output just fine. > > For the heck of it, build an adl855pc target and see if you get the same > problem. > > ron > > _______________________________________________ Linuxbios mailing list Linuxbios(a)clustermatic.org http://www.clustermatic.org/mailman/listinfo/linuxbios

1 0

elfboot
by Gin 28 Nov '04

28 Nov '04

I know it's probably been a while since you look into the elfboot code. In the elfboot.c When it tries to build the ELF segment list, it checks if the segment address is valid by walking through the table of valid memory ranges. What is the reason to do this? Below is the code, the "if " statement seems only guarantee that the new addresses INTERSECT with the valid memory range, not fully contained. for(i = 0; i < mem_entries; i++) { uint64_t mstart, mend; uint32_t mtype; mtype = mem->map[i].type; mstart = mem->map[i].start; mend = mstart + mem->map[i].size; if ((mtype == LB_MEM_RAM) && (start < mend) && (end > mstart)) { break; } }

2 1

RE: pnp_enable_resource not being called
by YhLu 28 Nov '04

28 Nov '04

In the AMD8111_lpc.c static void amd8111_lpc_enable_resources(device_t dev) { pci_dev_enable_resources(dev); enable_childrens_resources(dev); } static struct device_operations lpc_ops = { .read_resources = amd8111_lpc_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = amd8111_lpc_enable_resources, .init = lpc_init, .scan_bus = scan_static_bus, // .enable = amd8111_enable, .ops_pci = &lops_pci, }; So I guess you need to add the device driver for the lpc in SB. Then the scan_static_bus and enable_childrens_resources(dev) will be called. Regards YH -----Original Message----- From: Greg Watson [mailto:gwatson@lanl.gov] Sent: Wednesday, November 24, 2004 1:29 PM To: 'LinuxBIOS' Subject: pnp_enable_resource not being called The sandpoint has the following structure: Northbridge MPC107 --> Southbridge W83C553 --> Superio PC97307 The config file looks like: chip northbridge/motorola/mpc107 device pci_domain 0 on device pci 0.0 on end device pci b.0 on chip southbridge/winbond/w83c553 chip superio/NSC/pc97307 device pnp 15c.0 on end # Kyeboard device pnp 15c.1 on end # Mouse device pnp 15c.2 on end # Real-time Cloc k device pnp 15c.3 on end # Floppy device pnp 15c.4 on end # Parallel port device pnp 15c.5 on end # com2 device pnp 15c.6 on end # com1 device pnp 15c.7 on end # gpio device pnp 15c.8 on end # Power manageme nt end end end # pci to isa bridge device pci b.1 on end # pci ide controller end device cpu_bus 0 on chip cpu/ppc/mpc74xx device cpu 0 on end end end end The dev_enumerate() code is calling the PNP enable routines and the dev_initialize() code is calling the PNP init routine. However the dev_enable() code never calls the PNP enable_resource routine, which means the the PNP devices are never actually enabled. The enable_dev routine for the superio device calls: pnp_enable_devices(dev, &ops, sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info); where ops is defined as: static struct device_operations ops = { .read_resources = pnp_read_resources, .set_resources = pnp_set_resources, .enable_resources = pnp_enable_resources, .enable = pnp_enable, .init = init, }; Any ideas why this is not working? Is there something else that needs to happen? Greg _______________________________________________ Linuxbios mailing list Linuxbios(a)clustermatic.org http://www.clustermatic.org/mailman/listinfo/linuxbios

4 3

compile vga rom
by Gin 28 Nov '04

28 Nov '04

I have an onboard VGA chip that I want to use. Is there a way to compile the onboard VGA rom with the linuxbios? Or would it be easier to use a VGA card? Gin

1 0

boot from an ide
by Gin Lin 24 Nov '04

24 Nov '04

I use FILO as the payload to boot from a Hard Disk, which has a installed linux on it. I noticed if I enabled the ide stream. It tries to read the ELF header from my IDE drive. But I thought the FILO payload should be the one to load the image from the IDE drive. When does it come in and play the role? Anyone can explain the flow of booting if I try to load the INSTALLED linux from a IDE drive. Gin

1 0

Link and Links again
by Li-Ta Lo 24 Nov '04

24 Nov '04

Eric, >From my understanding, the device.link for bridge device does not include the up stream bus. The up stream bus is the device.bus field. So for 'normal' PCI bridges, with one up stream and one down stream buses, its device.links = 1. Am I correct ? Ollie

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coreboot November 2004