On Fri, 2010-09-03 at 13:44 +0800, Gao wrote: > Thank you Philippe, my board can boot up when the pSos emulator is not built > into the kernel. But once it is built into the kernel, the kernel cannot > boot up.
This likely happens when the real-time core enables its internal timer when the kernel enables the first skin, in your case the pSOS one. This is usually due to an issue in the I-pipe patch. > > > -----Original Message----- > From: Philippe Gerum [mailto:r...@xenomai.org] > Sent: 2010年9月3日 13:27 > To: Gao > Cc: xenomai-help@gna.org > Subject: RE: [Xenomai-help] Powerpc kernel cannot boot with xenomai > > On Wed, 2010-09-01 at 17:02 +0800, Gao wrote: > > Thank you Philippe very much. Yes, it seems that Xenomail may not > > support the MPC870 cpu. But you mean the Xenomai with linux 2.6.34 > > kernel can support it, right? > > I mean that a port of Xenomai to a custom board based on a CPU from the > mpc855 family is known to work, based on a 2.6.34 kernel, and that is the > only port of Xenomai to this architecture I'm aware of. The latest > I-pipe/powerpc patch for 2.6.34 does include that support for 8xx. > > Now, it should be possible for you to backport the I-pipe bits from the > 2.6.34 patch required to run 8xx to 2.6.33, if your bsp is based on that > release. > > > Another question, is there a officail document that say runing > > Xenomai on the mpc855 family processors needs 2.6.34 kernel? > > > > You are currently reading it. > > > -----Original Message----- > > From: Philippe Gerum [mailto:r...@xenomai.org] > > Sent: 2010年9月1日 16:39 > > To: Gao > > Cc: xenomai-help@gna.org > > Subject: RE: [Xenomai-help] Powerpc kernel cannot boot with xenomai > > > > On Wed, 2010-09-01 at 16:11 +0800, Gao wrote: > > > Hi Philippe, > > > > > > Are you sure xenomai(2.5.4) doesn't support the cpu MPC870? Thank you. > > > > > > > I'm saying that your particular board is not known to run Xenomai, > > nothing else. Those which officially do are listed here: > > http://www.xenomai.org/index.php/Embedded_Device_Support#Supported_Arc > > hitect > > ures > > > > In any case, if you want to run Xenomai on a processor from the mpc855 > > family, 2.6.34 is a requirement. > > > > > > > > Wenyi Gao > > > > > > -----Original Message----- > > > From: Philippe Gerum [mailto:r...@xenomai.org] > > > Sent: 2010年9月1日 15:53 > > > To: Gao > > > Cc: xenomai-help@gna.org > > > Subject: Re: [Xenomai-help] Powerpc kernel cannot boot with xenomai > > > > > > On Wed, 2010-09-01 at 15:47 +0800, Gao wrote: > > > > Hi All, > > > > > > > > I patched the kernel with xenomai, but the kernel "cuImage" cannot > > > > boot up, below is the console output: > > > > > > > > U-Boot 2009.06.00-svn21572 (Aug 24 2010 - 11:20:12) > > > > > > > > CPU: MPC885ZPnn at 100 MHz: 8 kB I-Cache 8 kB D-Cache FEC present > > > > > > This board is not supported. What goes wrong is likely the I-pipe > > > patch for this particular hardware. > > > > > > > Board: RXT-2000 > > > > I2C: ready > > > > DRAM: 32 MB > > > > 1 gd->ram_size = (2000000) CONFIG_SYS_MEM_TOP_HIDE (0) > > > > 2 gd->ram_size = (2000000) CONFIG_SYS_MEM_TOP_HIDE (0) > > > > IRIS: bd->bi_memsize (2000000) gd(ff002ec0)->gd->ram_size(2000000) > > > > IRIS: bd->bi_memsize (2000000) > > > > Now running in RAM - U-Boot at: 01f89000 > > > > FLASH: 16 MB > > > > In: serial > > > > Out: serial > > > > Err: serial > > > > Net: FEC ETHERNET > > > > IRIS: IDE testing > > > > IRIS: CONFIG_CMD_IDE > > > > PCMCIA:IRIS: NO CONFIG_START_IDE > > > > SanDisk SDP 5/3 0.6 > > > > Fixed Disk Card > > > > IDE interface > > > > [silicon] [unique] [single] [sleep] [standby] [idle] > > > > [low power] Bus 0: OK > > > > Device 0: Model: SanDisk SDCFH-002G Firm: HDX 5.04 Ser#: > > > > AOZ043010001455 > > > > Type: Removable Hard Disk > > > > Capacity: 1918.0 MB = 1.8 GB (3928176 x 512) Hit any > > > > key to stop autoboot: 0 ## Booting kernel from Legacy Image at > > > > 00100000 ... > > > > Image Name: Linux-2.6.33.4 > > > > Image Type: PowerPC Linux Kernel Image (gzip compressed) > > > > Data Size: 1873951 Bytes = 1.8 MB > > > > Load Address: 00400000 > > > > Entry Point: 00400558 > > > > Verifying Checksum ... OK > > > > Uncompressing Kernel Image ... OK Memory <- <0x0 0x0> (0MB) > > > > ENET0: local-mac-address <- 00:00:00:00:00:00 CPU clock-frequency > > > > <- 0x0 (0MHz) CPU timebase-frequency <- 0x0 (0MHz) > > > > > > > > zImage starting: loaded at 0x00400000 (sp: 0x01b88990) Allocating > > > > 0x3d6de0 bytes for kernel ... > > > > gunzipping (0x00000000 <- 0x0040c000:0x007fd97c)...done 0x3adf34 > > > > bytes > > > > > > > > Linux/PowerPC load: > > > > Finalizing device tree... flat tree at 0x80a300 > > > > > > > > > > > > > > > > Before I patched xenomai, the kernel can boot up with below > > > > console > > > > output: > > > > > > > > > > > > CPU: MPC885ZPnn at 100 MHz: 8 kB I-Cache 8 kB D-Cache FEC present > > > > Board: RXT-2000 > > > > I2C: ready > > > > DRAM: 32 MB > > > > 1 gd->ram_size = (2000000) CONFIG_SYS_MEM_TOP_HIDE (0) > > > > 2 gd->ram_size = (2000000) CONFIG_SYS_MEM_TOP_HIDE (0) > > > > IRIS: bd->bi_memsize (2000000) gd(ff002ec0)->gd->ram_size(2000000) > > > > IRIS: bd->bi_memsize (2000000) > > > > Now running in RAM - U-Boot at: 01f89000 > > > > FLASH: 16 MB > > > > In: serial > > > > Out: serial > > > > Err: serial > > > > Net: FEC ETHERNET > > > > IRIS: IDE testing > > > > IRIS: CONFIG_CMD_IDE > > > > PCMCIA:IRIS: NO CONFIG_START_IDE > > > > SanDisk SDP 5/3 0.6 > > > > Fixed Disk Card > > > > IDE interface > > > > [silicon] [unique] [single] [sleep] [standby] [idle] > > > > [low power] Bus 0: OK > > > > Device 0: Model: SanDisk SDCFH-002G Firm: HDX 5.04 Ser#: > > > > AOZ043010001455 > > > > Type: Removable Hard Disk > > > > Capacity: 1918.0 MB = 1.8 GB (3928176 x 512) Hit any > > > > key to stop autoboot: 0 ## Booting kernel from Legacy Image at > > > > 00100000 ... > > > > Image Name: Linux-2.6.33.4 > > > > Image Type: PowerPC Linux Kernel Image (gzip compressed) > > > > Data Size: 1697346 Bytes = 1.6 MB > > > > Load Address: 00400000 > > > > Entry Point: 00400558 > > > > Verifying Checksum ... OK > > > > Uncompressing Kernel Image ... OK Memory <- <0x0 0x2000000> > > > > (32MB) > > > > ENET0: local-mac-address <- 00:d0:dd:ff:20:00 CPU clock-frequency > > > > <- 0x5f5e100 (100MHz) CPU timebase-frequency <- 0x2faf08 (3MHz) > > > > CPU bus-frequency <- 0x2faf080 (50MHz) > > > > > > > > zImage starting: loaded at 0x00400000 (sp: 0x01b88990) Allocating > > > > 0x35e3f0 bytes for kernel ... > > > > gunzipping (0x00000000 <- 0x0040c000:0x00799450)...done 0x349f2c > > > > bytes > > > > > > > > Linux/PowerPC load: root=/dev/sda1 rw rootfstype=ext3 > > > > ip=169.254.0.2::169.254.0.1:255.255.0.0 console=ttyCPM0,38400 > > > > Finalizing device tree... flat tree at 0x7a6300 Using RxT-Carrier > > > > machine description ................... > > > > > > > > > > > > It seems the boot loader doesn't pass the boot parameters to the > > > > kernel that cannot boot up. Any one can help me? Thanks in advance. > > > > > > > > > > > > > > > > > > > > Best regards, > > > > Wenyi Gao > > > > > > > > > > > > _______________________________________________ > > > > Xenomai-help mailing list > > > > Xenomai-help@gna.org > > > > https://mail.gna.org/listinfo/xenomai-help > > > > > > -- > > > Philippe. > > > > > > > > > > > > > -- > > Philippe. > > > > > > > > -- > Philippe. > > > -- Philippe. _______________________________________________ Xenomai-help mailing list Xenomai-help@gna.org https://mail.gna.org/listinfo/xenomai-help
