From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Hingkwan Huen" Subject: RE: OMAP H4 Boot from MMC Card Date: Thu, 2 Nov 2006 13:11:43 -0800 Message-ID: <004e01c6fec3$8289bae0$3b8e10ac@mis.cypress.com> References: <45487AA5.7000600@nokia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <45487AA5.7000600@nokia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-omap-open-source-bounces@linux.omap.com Errors-To: linux-omap-open-source-bounces@linux.omap.com To: 'Felipe Balbi' Cc: linux-omap-open-source@linux.omap.com List-Id: linux-omap@vger.kernel.org Hi Felipe, That works very well! Thanks for the help! Cheers, kwan -----Original Message----- From: Felipe Balbi [mailto:ext-felipe.lima@nokia.com] Sent: Wednesday, November 01, 2006 2:45 AM To: hkh@cypress.com Cc: Syed Mohammed, Khasim; linux-omap-open-source@linux.omap.com Subject: Re: OMAP H4 Boot from MMC Card ext Hingkwan Huen wrote: > Hello Khasim, > > Many thanks for the help! I've tried your mentioned bootargs, and copied > all files and subdirectories from the existing NFS target to the MMC > card. However, it failed to mount root on /dev/mmc0 that I created with > mknod, and eventually crashed. Do you know what could be wrong here? > BTW, I was using kernel 2.6.16. I had a typo on my original email. > > Any suggestions are greatly appreciated! > > Thanks and regards, > kwan > > P.S. Below is the boot log file... > > OMAP242x H4 # printenv > bootdelay=3 > baudrate=115200 > bootfile="uImage.cc" > ethaddr=08:00:28:01:12:7E > stdin=serial > stdout=serial > stderr=serial > bootargs=mem=64M console=ttyS0,115200n8 noinitrd root=/dev/mmc0 rw > ip=off devfs=mount > filesize=1677e1 > fileaddr=82000000 > netmask=255.255.0.0 > ipaddr=172.16.150.186 > serverip=172.16.142.59 > > Environment size: 301/131068 bytes > OMAP242x H4 # bootm 82000000 > ## Booting image at 82000000 ... > Image Name: Linux Kernel > Image Type: ARM Linux Kernel Image (gzip compressed) > Data Size: 1472417 Bytes = 1.4 MB > Load Address: 80008000 > Entry Point: 80008000 > Verifying Checksum ... OK > Uncompressing Kernel Image ... OK > > Starting kernel ... > > Linux version 2.6.16-omap2 (hkh@localhost.localdomain) (gcc version > 3.4.5) #5 Tue Oct 31 15:40:41 PST 2006 > CPU: Some Random V6 Processor [4107b362] revision 2 (ARMv6TEJ) > Machine: OMAP2420 H4 board > Memory policy: ECC disabled, Data cache writeback > OMAP24205 > SRAM: Mapped pa 0x40200000 to va 0xd0000000 size: 0xa0000 > CPU0: D VIPT write-back cache > CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets > CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets > Built 1 zonelists > Kernel command line: mem=64M console=ttyS0,115200n8 noinitrd > root=/dev/mmc0 rw ip=off devfs=mount > Clocking rate (Crystal/DPLL/MPU): 12.0/532/266 MHz > clock.c: Enable for dpll_ck without enable code > IRQ: Found an INTC at 0x480fe000 (revision 2.0) with 96 interrupts > Total of 96 interrupts on 1 active controller > OMAP24xx GPIO hardware version 1.8 > Muxing M15_24XX_GPIO92 (0x4800010a): 0x03 -> 0x03 > PID hash table entries: 512 (order: 9, 8192 bytes) > OMAP2 GP timer (HW version 1.3) > Console: colour dummy device 80x30 > Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) > Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) > Memory: 64MB = 64MB total > Memory: 61696KB available (2512K code, 526K data, 112K init) > Mount-cache hash table entries: 512 > CPU: Testing write buffer coherency: ok > NET: Registered protocol family 16 > Muxing K15_24XX_UART3_TX (0x48000118): 0x00 -> 0x00 > Muxing K14_24XX_UART3_RX (0x48000119): 0x00 -> 0x00 > Muxing M19_24XX_I2C1_SCL (0x48000111): 0x00 -> 0x00 > Muxing L15_24XX_I2C1_SDA (0x48000112): 0x00 -> 0x00 > Muxing T19_24XX_KBR0 (0x48000106): 0x0f -> 0x1b > Muxing R19_24XX_KBR1 (0x48000107): 0x0f -> 0x1b > Muxing V18_24XX_KBR2 (0x48000139): 0x07 -> 0x1b > Muxing M21_24XX_KBR3 (0x480000c9): 0x0f -> 0x1b > Muxing E5__24XX_KBR4 (0x48000138): 0x0f -> 0x1b > Muxing B3__24XX_KBR5 (0x48000030): 0x03 -> 0x1b > Muxing AA4_24XX_KBC2 (0x480000e7): 0x03 -> 0x03 > Muxing B13_24XX_KBC6 (0x48000110): 0x03 -> 0x03 > Muxing R20_24XX_KBC0 (0x48000108): 0x0f -> 0x03 > Muxing M14_24XX_KBC1 (0x48000109): 0x1f -> 0x03 > Muxing V17_24XX_KBC3 (0x48000135): 0x07 -> 0x03 > Muxing P21_24XX_KBC4 (0x480000ca): 0x0f -> 0x03 > Muxing L14_24XX_KBC5 (0x4800010f): 0x0f -> 0x03 > OMAP DMA hardware revision 2.0 > Initializing OMAP McBSP system > Muxing Y15_24XX_MCBSP2_CLKX (0x48000124): 0x0f -> 0x09 > Muxing R14_24XX_MCBSP2_FSX (0x48000125): 0x0f -> 0x09 > Muxing W15_24XX_MCBSP2_DR (0x48000126): 0x0f -> 0x09 > Muxing V15_24XX_MCBSP2_DX (0x48000127): 0x0f -> 0x09 > Muxing V14_24XX_GPIO117 (0x48000128): 0x0f -> 0x0b > Muxing W14_24XX_SYS_CLKOUT (0x48000137): 0x0f -> 0x18 > omapdsp: unsupported omap architecture. > USB: No board-specific platform config found > i2c_omap i2c_omap.1: bus 0 rev3.4 at 100 kHz > OMAP24xx McSPI driver initializing > NET: Registered protocol family 23 > NetWinder Floating Point Emulator V0.97 (double precision) > VFS: Disk quotas dquot_6.5.1 > Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) > NTFS driver 2.1.26 [Flags: R/W]. > JFFS2 version 2.2. (NAND) (C) 2001-2003 Red Hat, Inc. > Initializing Cryptographic API > io scheduler noop registered > io scheduler anticipatory registered (default) > io scheduler deadline registered > io scheduler cfq registered > omapfb: configured for panel h4 > omapfb-dispc: version 2.0 > Console: switching to colour frame buffer device 30x40 > omapfb: initialized vram=159744 pixclock 5541 kHz hfreq 16.9 kHz vfreq > 51.9 Hz > OMAP Watchdog Timer: initial timeout 60 sec > Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled > serial8250.0: ttyS0 at MMIO 0x4806a000 (irq = 72) is a ST16654 > serial8250.0: ttyS1 at MMIO 0x4806c000 (irq = 73) is a ST16654 > serial8250.0: ttyS2 at MMIO 0x4806e000 (irq = 74) is a ST16654 > RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize > loop: loaded (max 8 devices) > smc91x.c: v1.1, sep 22 2004 by Nicolas Pitre > eth0: SMC91C94 (rev 9) at c4851300 IRQ 252 [nowait] > eth0: Ethernet addr: 08:00:28:01:12:7e > OMAP IrDA driver initializing > Muxing W19_24XX_SYS_NIRQ (0x4800012c): 0x00 -> 0x18 > Menelaus rev 2.1 > omapflash.0: Found 1 x16 devices at 0x0 in 16-bit bank > omapflash.0: Found 1 x16 devices at 0x2000000 in 16-bit bank > Intel/Sharp Extended Query Table at 0x010A > Intel/Sharp Extended Query Table at 0x010A > Intel/Sharp Extended Query Table at 0x010A > Intel/Sharp Extended Query Table at 0x010A > Intel/Sharp Extended Query Table at 0x010A > Intel/Sharp Extended Query Table at 0x010A > Using buffer write method > cfi_cmdset_0001: Erase suspend on write enabled > Creating 4 MTD partitions on "omapflash.0": > 0x00000000-0x00020000 : "bootloader" > 0x00020000-0x00040000 : "params" > 0x00040000-0x00240000 : "kernel" > 0x00240000-0x04000000 : "filesystem" > TI TSC2102 driver initializing > ts: Compaq touchscreen protocol output > OMAP Keypad Driver > input: omap-keypad as /class/input/input0 > NET: Registered protocol family 2 > MMC1: Command timeout, CMD0 > MMC1: Command timeout, CMD0 > IP route cache hash table entries: 1024 (order: 0, 4096 bytes) > TCP established hash table entries: 4096 (order: 2, 16384 bytes) > TCP bind hash table entries: 4096 (order: 2, 16384 bytes) > TCP: Hash tables configured (established 4096 bind 4096) > TCP reno registered > TCP bic registered > NET: Registered protocol family 1 > NET: Registered protocol family 17 > NET: Registered protocol family 15 > IrCOMM protocol (Dag Brattli) > MMC1: Command timeout, CMD0 > MMC1: Command timeout, CMD0 > mmcblk0: mmc0:0001 MP 498944KiB > mmcblk0: unknown partition table > XXX card in slot 1 > Root-NFS: No NFS server available, giving up. > VFS: Unable to mount root fs via NFS, trying floppy. > VFS: No root yet, retrying to mount root on mmc0 (unknown-block(2,0)) > VFS: No root yet, retrying to mount root on mmc0 (unknown-block(2,0)) > VFS: No root yet, retrying to mount root on mmc0 (unknown-block(2,0)) > VFS: No root yet, retrying to mount root on mmc0 (unknown-block(2,0)) > VFS: No root yet, retrying to mount root on mmc0 (unknown-block(2,0)) > VFS: No root yet, retrying to mount root on mmc0 (unknown-block(2,0)) > VFS: Cannot open root device "mmc0" or unknown-block(2,0) > Please append a correct "root=" boot option > Kernel panic - not syncing: VFS: Unable to mount root fs on > unknown-block(2,0) > > > On Tue, 2006-10-31 at 19:30 -0600, Syed Mohammed, Khasim wrote: > >> Hi, >> >> Format the MMC card to EXT2 FS. >> Copy your existing NFS target file system MMC partition. >> (You can do this on any standard Linux PC with card reader or use the >> board itself) >> >> Modify the bootargs to >> setenv bootargs console=ttyS0,115200n8 noinitrd root=/dev/mmcblk0p1 rw >> ip=off devfs=mount >> >> Note: You might have to change the /dev/mmcblk0p1 to what ever you are >> getting for MMC dev on your board. >> >> Regards, >> Khasim >> -----Original Message----- >> From: linux-omap-open-source-bounces+x0khasim=ti.com@linux.omap.com >> [mailto:linux-omap-open-source-bounces+x0khasim=ti.com@linux.omap.com] >> On Behalf Of Hingkwan Huen >> Sent: Tuesday, October 31, 2006 6:57 PM >> To: linux-omap-open-source@linux.omap.com >> Subject: OMAP H4 Boot from MMC Card >> >> Dear All, >> >> I am currently running 2.6.17 and OPIE on the OMAP2420 H4 with rootfs >> via NFS. In order to make the whole setup more portable and not >> depending on the network, I would like to have the rootfs on the MMC >> card. Could anyone help provide an instruction how to set this up, >> please? >> >> Thanks, >> kwan >> >> _______________________________________________ >> Linux-omap-open-source mailing list >> Linux-omap-open-source@linux.omap.com >> http://linux.omap.com/mailman/listinfo/linux-omap-open-source >> >> >> > > _______________________________________________ > Linux-omap-open-source mailing list > Linux-omap-open-source@linux.omap.com > http://linux.omap.com/mailman/listinfo/linux-omap-open-source > Hello Hingkwan Huen, As you can see here: MMC1: Command timeout, CMD0 MMC1: Command timeout, CMD0 mmcblk0: mmc0:0001 MP 498944KiB mmcblk0: unknown partition table XXX card in slot 1 Your board is using /dev/mmcblk0 for the mmc slot... Try setting you bootargs bootargs=mem=64M console=ttyS0,115200n8 noinitrd root=/dev/mmcblk0 rw instead of using /dev/mmc0 you created with mknod... I think this'll do! -- Best Regards, Felipe Balbi ext-felipe.lima@nokia.com OSMRC - INdT