Thanks a lot Willy, I try to find something in this way...
Note, that i test my board with an image with Kernel 2.4 and work well.. but it's a no-free version (i don't have source or configuration) ... Me, i want to boot with my own kernel and find correct configuration... This system use, i thinks, a patch to the kernel, or more simply, a good kernel configuration options... There is no reason i can't boot with an "official open linux kernel" and boot with a "no-free" version which use a free kernel... Here the log ; to 0x01000000 1218 kB Loaded 0x001308b0 bytes Detected PPCBOOT header Verifying image CRC...ok Uncompressing Multi-File Image ... ok Moving initrd...ok Starting Linux Kernel. MENMON parameter string: MPAR mem0=262144 mem1=0 flash0=2048 cpu=MPC8245 cpuclkO Using memory size from MENMON 0x10000000 Linux version 2.4.18 ([EMAIL PROTECTED]) (gcc version 3.2.3) #2 Tue Aug 9 15:32:12 CE5 ---menem04_setup_arch--- menem04_find_bridges: hose:0xc0167000 i2c-core.o: i2c core module i2c-core.o: /proc/bus/ does not exist menem04_i2c.o: i2c MEN EM04 adapter module i2c-core.o: adapter I2C MEN EM04 registered as adapter 0. i2c-core.o: driver M41T56 registered. i2c-core.o: client [M41T56] registered to adapter [I2C MEN EM04](pos. 0). On node 0 totalpages: 65536 zone(0): 65536 pages. zone(1): 0 pages. zone(2): 0 pages. Kernel command line: devfs=mount root=ramfs rw console=ttyS0,9600 Using bus clock from MENMON 128000000Hz MEN Chameleon number modules: 12 Frodo #0: phys.adr:0xbff7e500 irq:5 Frodo channel 0: mode=0x01 Frodo channel 1: mode=0x01 Frodo channel 2: mode=0x01 Frodo channel 3: mode=0x01 BOROMIR: phys.adr:0xbff7e600 OpenPIC Version 1.2 (1 CPUs and 139 IRQ sources) at fcfce000 OpenPIC timer frequency is 128.000000 MHz Calibrating delay loop... 255.59 BogoMIPS Memory: 256084k available (748k kernel code, 324k data, 68k init, 0k highmem) Dentry-cache hash table entries: 32768 (order: 6, 262144 bytes) Inode-cache hash table entries: 16384 (order: 5, 131072 bytes) Mount-cache hash table entries: 4096 (order: 3, 32768 bytes) Buffer-cache hash table entries: 16384 (order: 4, 65536 bytes) Page-cache hash table entries: 65536 (order: 6, 262144 bytes) POSIX conformance testing by UNIFIX PCI: Probing PCI hardware i2c-core.o: driver AT24Cxx registered. at24cxx_attach: adap:0xc00d7b7c addr:0x50 flags:0x0 kind:0xffffffff i2c-core.o: client [AT24Cxx] registered to adapter [I2C MEN EM04](pos. 1). at24cxx_attach: adap:0xc00d7b7c addr:0x54 flags:0x0 kind:0xffffffff i2c-core.o: client [AT24Cxx] registered to adapter [I2C MEN EM04](pos. 2). at24cxx_attach: adap:0xc00d7b7c addr:0x55 flags:0x0 kind:0xffffffff i2c-core.o: client [AT24Cxx] registered to adapter [I2C MEN EM04](pos. 3). at24cxx_attach: adap:0xc00d7b7c addr:0x56 flags:0x0 kind:0xffffffff i2c-core.o: client [AT24Cxx] registered to adapter [I2C MEN EM04](pos. 4). at24cxx_attach: adap:0xc00d7b7c addr:0x57 flags:0x0 kind:0xffffffff i2c-core.o: client [AT24Cxx] registered to adapter [I2C MEN EM04](pos. 5). Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Starting kswapd devfs: v1.10 (20020120) Richard Gooch ([EMAIL PROTECTED]) devfs: boot_options: 0x1 i2c-core.o: i2c core module i2c-algo-bit.o: i2c bit algorithm module menem04_i2c.o: i2c MEN EM04 adapter module i2c-core.o: adapter I2C MEN EM04 registered as adapter 0. i2c-core.o: driver M41T56 registered. pty: 256 Unix98 ptys configured Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI ed ttyS00 at 0xfcfcc500 (irq = 137) is a 16550A ttyS01 at 0xfcfcc600 (irq = 138) is a 16550A ttyS02 at 0xfcfca500 (irq = 5) is a 16550A ttyS03 at 0xfcfca510 (irq = 5) is a 16550A ttyS04 at 0xfcfca520 (irq = 5) is a 16550A ttyS05 at 0xfcfca530 (irq = 5) is a 16550A menpci2vme: PCI2VME bridge vendor/device 1172/5056 not exist block: 128 slots per queue, batch=32 RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize Uniform Multi-Platform E-IDE driver Revision: 6.31 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx hda: PQI ATA Rev6.0, ATA DISK drive ide0 at 0xd3002200-0xd300221c,0xd3002238 on irq 4 hda: 125952 sectors (64 MB) w/0KiB Cache, CHS=984/16/8 Partition check: /dev/ide/host0/bus0/target0/lun0: p1 VFS: Mounted root (ramfs filesystem). UNTAR: Extracting root archive: done. Mounted devfs on /dev Freeing unused kernel memory: 68k init init started: BusyBox v1.00-pre8 (2004.05.27-20:35+0000) multi-call binary BusyBox v1.00-pre8 (2004.05.27-20:35+0000) Built-in shell (msh) Enter 'help' for a list of built-in commands. # > On Mon, Aug 15, 2005 at 10:08:18PM +0200, [EMAIL PROTECTED] wrote: > > Thanks Willy, > > > > So i just compile a new Kernel with options we have talking about... > > And it's freeze, nothing to the console... > > > > So i need to find the way to enable the Level-Triggered Interrupts in the > kernel > > to the right IRQ address... > > sorry, but I did not find much more info either. I don't know how to change > those > IRQs from edge to level. It is from software, on the board itself ? I don't > know. > I found interesting pieces of code there : > > # grep -r IRQ_SENSE /usr/src/linux-2.4.31/arch/ppc/kernel > > They seem to imply that the interrupt mode (level/edge) is read from > somewhere at > boot, but I have no idea where. May be they can be configured from the boot > loader ? > > > I read the thread... but i can't find the thing to change in kernel source > or > > kernel configuration. > > > > Or perhaps i enable to many option in > > "Device Drivers --->" "Character devices-->" "Serial drivers --->" > > <*> 8250/16550 and compatible serial support x x > > x x [*] Console on 8250/16550 and compatible serial port x > x > > x x (4) Maximum number of non-legacy 8250/16550 serial ports x > x > > x x [*] Extended 8250/16550 serial driver options x > x > > x x [*] Support more than 4 legacy serial ports x > x > > x x [*] Support for sharing serial interrupts x > x > > x x [ ] Autodetect IRQ on standard ports (unsafe) x > x > > x x [*] Support special multiport boards x > x > > x x [*] Support RSA serial ports > > > > Try autodetect IRQ ? > > I'll try to learn more about edge/level irq sharing... > > well, I still do not know how the serial driver manages to find those > specific > addresses. You should ask one of the people involved in the previous threads, > he might have more clue. > > Regards, > Willy > > > > > Yann > > > > > Hi, > > > > > > On Mon, Aug 15, 2005 at 06:56:42PM +0200, [EMAIL PROTECTED] wrote: > > > > Hi, > > > > > > > This is what my board say (in console mode) about serial address: > > > > 0x08 COM1 DUART8245 0xfc004500 0x07a12000 0x00000001 > > > 0x01effc70 > > > > 0x09 COM2 DUART8245 0xfc004600 0x07a12000 0x00000001 > > > 0x01e107d0 > > > > > > Have you read this thread ? > > > > > > http://ozlabs.org/pipermail/linuxppc-embedded/2005-August/019482.html > > > > > > It discusses your about your board, on which interrupts must be set to > LEVEL > > > and not EDGE. BTW, they also used 8250. I don't know how you have to > > > configure > > > the serial ports though. > > > > > > This boot log also confirms that you have to use 8250/16550 : > > > > > > http://mhonarc.axis.se/jffs-dev/msg01350.html > > > > > > > > - are you sure that you enabled "console on serial port" in the > config > > > ? > > > > Yes, i enable " Support for console on virtual terminal" but i enable > > > > "Non-standard serial port support" option too... > > > > So i recompile without the last one... and i recompile "with Serial > drivers > > > > --->" "[*] Console on 8250/16550 and compatible serial port" perhaps > it's > > > > that... And i came back to you. > > > > But, perhaps i've allready tested... i ll check.. it's not a default > option > > > ? > > > > > > It's not necessarily a default option. There are many console and serial > > > ports combination available. BTW, you could also try netconsole which > will > > > send you the console data over an ethernet port if you cannot get the > serial > > > to work. > > > > > > > > - how can you be certain that the serial will appear on ttyS0 and > not > > > ttyS1 > > > > > or another one (the kernel might detect another serial port which > it > > > > > assigns ttyS0) > > > > I pass parameter directly to the kernel; > > > > > > ok. > > > > > > > Another option i set : > > > > Default bootloader kernel arguments x x x x(console=ttyS0,9600 > > > console=tty0 > > > > > > ok. > > > > > > Regards, > > > Willy > > > > > > > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
