2008-07-22 06:06:30 Problem mounting jffs2

Vincent Puig (SPAIN)

Message: 59223

Hi all,

I am trying to pass the filesystem from nfs to jffs2, when I boot, I get this:

## Booting image at 20040000 ...

Image Name: Linux-2.6.22.18-ADI-2008R1-svn

Image Type: Blackfin Linux Kernel Image (gzip compressed)

Data Size: 742310 Bytes = 724.9 kB

Load Address: 00001000

Entry Point: 00138000

Verifying Checksum ... OK

Uncompressing Kernel Image ... OK

Starting Kernel at = 138000

Linux version 2.6.22.18-ADI-2008R1-svn (vincent@canutet) (gcc version 4.1.2 (ADI svn)) #48 Tue Jul 22 11:52:32 CEST 2008

Hardware Trace Active and Enabled

Warning: limiting memory to 31MB due to hardware anomaly 05000263

Compiled for ADSP-BF537 Rev 0.2

Blackfin Linux support by http://blackfin.uclinux.org/

Processor Speed: 500 MHz core clock and 100 MHz System Clock

Board Memory: 32MB

Kernel Managed Memory: 32MB

Memory map:

text = 0x00001000-0x000fbbb0

rodata = 0x000fc000-0x0012986c

data = 0x0012a000-0x00138000

stack = 0x0012a000-0x0012c000

init = 0x00138000-0x00149000

bss = 0x00149000-0x00155050

available = 0x00155050-0x01eff000

DMA Zone = 0x01f00000-0x02000000

Instruction Cache Enabled

Data Cache Enabled (write-through)

Built 1 zonelists. Total pages: 7874

Kernel command line: root=/dev/mtdblock2 rw rootfstype=jffs2 console=ttyBF0,115200

Configuring Blackfin Priority Driven Interrupts

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 available: 30076k/32768k RAM, (68k init code, 1002k kernel code, 290k data, 1024k dma, 308k reserved)

Blackfin Scratchpad data SRAM: 4 KB

Blackfin Data A SRAM: 16 KB (9 KB free)

Blackfin Data B SRAM: 16 KB (16 KB free)

Blackfin Instruction SRAM: 48 KB (40 KB free)

Mount-cache hash table entries: 512

NET: Registered protocol family 16

Blackfin GPIO Controller

Blackfin DMA Controller

cm_bf537_init(): registering device resources

Generic PHY: Registered new driver

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: 0, 4096 bytes)

TCP: Hash tables configured (established 1024 bind 1024)

TCP reno registered

JFFS2 version 2.2. (NAND) 2001-2006 Red Hat, Inc.

pfx: pfbits driver for bf5xx

Serial: Blackfin serial driver

bfin-uart.1: ttyBF0 at MMIO 0xffc00400 (irq = 18) is a BFIN-UART

bfin-uart.1: ttyBF1 at MMIO 0xffc02000 (irq = 20) is a BFIN-UART

arch/blackfin/mach-bf537/boards/cm_bf537.c:bfin_get_ether_addr: Setting Ethernet MAC to a random one

bfin_mac_mdio: probed

bfin_mac: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=19)@sclk=100MHz)

bfin_mac: Version 1.1, Blackfin BF53[67] BF527 on-chip Ethernet MAC driver

bfin-spi bfin-spi.0: Blackfin BF5xx on-chip SPI Contoller Driver, Version 1.0, regs_base@ffc00500, dma channel@7

TCP cubic registered

Initializing XFRM netlink socket

NET: Registered protocol family 1

NET: Registered protocol family 17

NET: Registered protocol family 15

Freeing unused kernel memory: 68k freed

dma_alloc_init: dma_page @ 0x01c53000 - 256 pages at 0x01f00000

Kernel panic - not syncing: No init found. Try passing init= option to kernel.

What am I doing wrong, It worked well with nfs and ramfs.

Thanks.

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2008-07-22 11:09:08 Re: Problem mounting jffs2

Robin Getz (UNITED STATES)

Message: 59233

Vincent:

You told it :

>root=/dev/mtdblock2 rw rootfstype=jffs2

Which is good.

And compiled JFFS2 into the kernel:

> JFFS2 version 2.2. (NAND) 2001-2006 Red Hat, Inc.

which is also good.

but it did not find any maps/partitions. Have a look at:

https://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:mtd#partitioning

-Robin

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2008-07-23 05:00:04 Re: Problem mounting jffs2

Vincent Puig (SPAIN)

Message: 59265

Ok, thanks Robin.

I am following that, but I don't find the default physical mapping driver "physmap-flash.0", which one should I modify??

I think it must be something about the file " arch/blackfin/mach-bf537/boards/cm_bf537.c " which looks like:

static struct mtd_partition bfin_spi_flash_partitions[] = {

{

.name = "bootloader",

.size = 0x00040000,

.offset = 0,

.mask_flags = MTD_CAP_ROM

}, {

.name = "kernel",

.size = 0xC0000,

.offset = 0x40000

}, {

.name = "file system",

.size = 0x300000,

.offset = 0x00100000,

}

};

What should I do here?

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2008-07-23 15:16:19 Re: Problem mounting jffs2

Robin Getz (UNITED STATES)

Message: 59289

Vincent:

First thing is to make sure that your specific flash driver is working/installed properly.

What hardware are you testing on? and what flash does it have that you are trying to mount as JFFS2?

-Robin

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2008-07-24 03:55:02 Re: Problem mounting jffs2

Vincent Puig (SPAIN)

Message: 59305

I am using a EVAL board of Bluetechnix, with a Blackfin CM-BF537E module.

4MB of Flash Disk.

Maybe this helps:

Memory Type Start Address End Address Size Comment

FLASH Bank0 (PF4 Flag low) 0x20000000 0x201FFFFF 2MB 4MB Micron Flash, MT28F320J3FS-11

FLASH Bank1 (PF4 Flag high) 0x20000000 0x201FFFFF 2MB

Was that what you wanted?, If jffs2 is not posible, which one should I use?. Thank you and sorry, as I've already said, I am beginner.

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2008-07-24 04:14:44 Re: Problem mounting jffs2

Mike Frysinger (UNITED STATES)

Message: 59306

there is no flash driver in the kernel for the tiny board modules. if you search the forums you may find one.

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2008-07-24 05:46:16 Re: Problem mounting jffs2

Vincent Puig (SPAIN)

Message: 59344

Mike, I found nothing, could you send me the link if you know somewhere, please?.

If flash file system is not posible, which one would you use?, I need the information to keep although the board resets.

Thank you in advance.

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2008-07-22 06:06:30 Problem mounting jffs2