Problems compiling MTD

Problems compiling MTD

[Securez]

Hello i'm using uClinux on a MC68VZ328 booting form the flash 
http://www.openhardware.net/Dragonix .
I want to get MTD working to use JFFS on it, but i get this errors:

drivers/mtd/mtdlink.o: In function 
`physmap_read8':/home/devil/new-kernel/uClinux-dist/linux-2.4.x/drivers/mtd/maps/physmap.c:24: 
undefined reference to `__raw_readb'drivers/mtd/mtdlink.o: In function 
`physmap_read16':/home/devil/new-kernel/uClinux-dist/linux-2.4.x/drivers/mtd/maps/physmap.c:29: 
undefined reference to `__raw_readw'drivers/mtd/mtdlink.o: In function 
`physmap_read32':/home/devil/new-kernel/uClinux-dist/linux-2.4.x/drivers/mtd/maps/physmap.c:34: 
undefined reference to `__raw_readl'drivers/mtd/mtdlink.o: In function 
`physmap_write8':/home/devil/new-kernel/uClinux-dist/linux-2.4.x/drivers/mtd/maps/physmap.c:44: 
undefined reference to `__raw_writeb'drivers/mtd/mtdlink.o: In function 
`physmap_write16':/home/devil/new-kernel/uClinux-dist/linux-2.4.x/drivers/mtd/maps/physmap.c:50: 
undefined reference to `__raw_writew'drivers/mtd/mtdlink.o: In function 
`physmap_write32':/home/devil/new-kernel/uClinux-dist/linux-2.4.x/drivers/mtd/maps/physmap.c:56: 
undefined reference to `__raw_writel'make[1]: *** [linux] Error 1make[1]: 
Leaving directory `/home/devil/new-kernel/uClinux-dist/linux-2.4.x'

I redefine this references in include/asm/io.h to solve this, where need to 
go this?? is correct here??

#define __raw_readb readb
#define __raw_readw readw
#define __raw_readl readl
.
..

After this the kernel compiles ok.
I program the flash, and when i reboot, the kernel seems ok, but when a 
message appears in the console:
physmap flash device:40000 at 2000000
The system reboots, :(.

What is happend??

Re: Problems compiling MTD

[David Woodhouse]

securez@teleline.es said:
>  I redefine this references in include/asm/io.h to solve this, where
> need to  go this?? is correct here?? 

That should work. You can add these in include/linux/mtd/compatmac.h, 
dependent on LINUX_VERSION_CODE < KERNEL_VERSION(2,2,0).


securez@teleline.es said:
> I program the flash, and when i reboot, the kernel seems ok, but when
> a  message appears in the console: physmap flash device:40000 at
> 2000000 The system reboots, :(.

> What is happend?? 

I don't know. Are the address and length printed above correct? Can you 
debug it to work out _exactly_ how far it gets before rebooting?

--
dwmw2

Re: Problems compiling MTD

[Securez]

i put some printk functions, and it hags making the ioremap..

Regards.

At 13.28 11/3/02 +0000, you wrote:

>securez@teleline.es said:
> >  I redefine this references in include/asm/io.h to solve this, where
> > need to  go this?? is correct here??
>
>That should work. You can add these in include/linux/mtd/compatmac.h,
>dependent on LINUX_VERSION_CODE < KERNEL_VERSION(2,2,0).
>
>
>securez@teleline.es said:
> > I program the flash, and when i reboot, the kernel seems ok, but when
> > a  message appears in the console: physmap flash device:40000 at
> > 2000000 The system reboots, :(.
>
> > What is happend??
>
>I don't know. Are the address and length printed above correct? Can you
>debug it to work out _exactly_ how far it gets before rebooting?
>
>--
>dwmw2
>
>
>
>______________________________________________________
>Linux MTD discussion mailing list
>http://lists.infradead.org/mailman/listinfo/linux-mtd/

Re: Problems compiling MTD

[David Woodhouse]

securez@teleline.es said:
>  i put some printk functions, and it hags making the ioremap.. 

Hmmm. For uClinux you don't really need the ioremap - I'm surprised that it 
breaks. Just comment it out and make it use the real address. If that 
doesn't work, check with the uClinux people.

--
dwmw2