Dear scrawl@baseoftrash.de,
In message 1815091516.9403031.1280907775269.JavaMail.tomcat55@mrmseu0.kundenserver.de you wrote:
I want to exchange RedBoot with UBoot on a TX25 module to improve the boot time. I managed to install UBoot, but, the kernel does not start. Everything goes ok but after "Starting kernel ..." nothing happens (sorry I can't copy paste from the serial ter minal). It has to be a problem with UBoot, as I use the same kernel command line as before and it worked with RedBoot.
This is NOT a problem with U-Boot.
Versions of uBoot I tried: 2009/?? (precompiled from denx-cs.de) and latest 2010/06 (compiled myself)
It's working fine here.
Kernel command line: init=/linuxrc root=ubi0:rootfs rootfstype=ubifs console=ttymxc0,115200 ro panic=1 printk.time=1 ubi.mtd=1
Booting with
tftpboot 0x80108000 uImage bootm 0x80108000
That's wrong. Try loading at 81000000 instead:
=> tftp ${kernel_addr_r} ${bootfile} Using FEC_MXC device TFTP from server 192.168.1.1; our IP address is 192.168.20.16 Filename 'tx25/uImage'. Load address: 0x81000000 Loading: T ################################################################# ################################################### done Bytes transferred = 1690112 (19ca00 hex) => run nfsargs addip addtty addmtd addmisc => print bootargs bootargs=root=/dev/nfs rw nfsroot=192.168.1.1:/opt/eldk-4.2-arm/arm ip=192.168.20.16:192.168.1.1:192.168.1.1:255.255.0.0:tx25:eth0:off panic=1 console=ttymxc0,115200 => imi
## Checking Image at 81000000 ... Legacy image found Image Name: Linux-2.6.31-00001-gbc01470 Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 1690048 Bytes = 1.6 MiB Load Address: 80008000 Entry Point: 80008000 Verifying Checksum ... OK => bootm ## Booting kernel from Legacy Image at 81000000 ... Image Name: Linux-2.6.31-00001-gbc01470 Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 1690048 Bytes = 1.6 MiB Load Address: 80008000 Entry Point: 80008000 Verifying Checksum ... OK Loading Kernel Image ... OK OK
Starting kernel ...
Uncompressing Linux.............................................................................................................. done, booting the kernel. Linux version 2.6.31-00001-gbc01470 (wd@sirius.denx.de) (gcc version 4.2.2) #1 PREEMPT Thu Jun 10 11:52:10 CEST 2010 CPU: ARM926EJ-S [41069264] revision 4 (ARMv5TEJ), cr=00053177 CPU: VIVT data cache, VIVT instruction cache Machine: Ka-Ro electronics TX25 module (Freescale i.MX25) Memory policy: ECC disabled, Data cache writeback Built 1 zonelists in Zone order, mobility grouping on. Total pages: 8128 Kernel command line: root=/dev/nfs rw nfsroot=192.168.1.1:/opt/eldk-4.2-arm/arm ip=192.168.20.16:192.168.1.1:192.168.1.1:255.255.0.0:tx25:eth0:off panic=1 console=ttymxc0,115200 PID hash table entries: 128 (order: 7, 512 bytes) Dentry cache hash table entries: 4096 (order: 2, 16384 bytes) Inode-cache hash table entries: 2048 (order: 1, 8192 bytes) Memory: 32MB = 32MB total Memory: 23828KB available (3092K code, 5405K data, 120K init, 0K highmem) SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 NR_IRQS:208 MXC GPIO hardware 128 GPIOs on 4 ports MXC IRQ initialized Clock input source is 24000000 CPU: 399.000MHz AHB: 133.000MHz MPLL: 532.000MHz UPLL: 240.000MHz IPG: 66.500MHz OTG: 60.000MHz LCD: 240.000MHz Console: colour dummy device 80x30 Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar ... MAX_LOCKDEP_SUBCLASSES: 8 ... MAX_LOCK_DEPTH: 48 ... MAX_LOCKDEP_KEYS: 8191 ... CLASSHASH_SIZE: 4096 ... MAX_LOCKDEP_ENTRIES: 16384 ... MAX_LOCKDEP_CHAINS: 32768 ... CHAINHASH_SIZE: 16384 memory used by lock dependency info: 3615 kB per task-struct memory footprint: 1152 bytes Calibrating delay loop... 199.06 BogoMIPS (lpj=995328) Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok NET: Registered protocol family 16 AHB clock rate: 133.000MHz SDMA clock rate: 66.500MHz Using SDMA I.API MXC SDMA API initialized bio: create slab <bio-0> at 0 NET: Registered protocol family 2 IP route cache hash table entries: 1024 (order: 0, 4096 bytes) TCP established hash table entries: 1024 (order: 1, 8192 bytes) TCP bind hash table entries: 1024 (order: 3, 32768 bytes) TCP: Hash tables configured (established 1024 bind 1024) TCP reno registered NET: Registered protocol family 1 AUDMUX: probing NetWinder Floating Point Emulator V0.97 (double precision) JFFS2 version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. msgmni has been set to 46 alg: No test for stdrng (krng) io scheduler noop registered io scheduler anticipatory registered (default) io scheduler deadline registered io scheduler cfq registered imx-fb imx-fb.0: i.MX Framebuffer driver Using video mode G-ETV570G0DMU-8 640x480 (640x480) Setting PCD to 7 for LCD clock 30.000MHz base clock 240.000MHz actual clock 34.285MHz Console: switching to colour frame buffer device 80x30 Serial: IMX driver imx-uart.0: ttymxc0 at MMIO 0x43f90000 (irq = 45) is a IMX console [ttymxc0] enabled imx-uart.1: ttymxc1 at MMIO 0x43f94000 (irq = 32) is a IMX imx-uart.4: ttymxc4 at MMIO 0x5002c000 (irq = 40) is a IMX brd: module loaded fec mii: probed fec fec: Using PHY at addr 0x1f net eth0: eth0: ethernet a2:3d:5e:7c:b2:f8 console [netcon0] enabled ...
Best regards,
Wolfgang Denk