I think I found the problem (which was MMU related):
--- packages/hal/arm/arm9/ep93xx/current/include/hal_platform_setup.h
+++ packages/hal/arm/arm9/ep93xx/current/include/hal_platform_setup.h
@@ -494,20 +494,20 @@
//
// Create a read-write mapping of FLASH at virtual address
0x6000_0000.
//
add r1, r0, #0x00001800
#if defined(HAL_PLATFORM_EP9301) || defined(HAL_PLATFORM_EP9302)
mov r2, #0x00000040
#else
// If you are using a Flash size of 64MB you need this value here
- // mov r2, #0x00000100 // 64MB
- mov r2, #0x00000080 // 32MB
+ mov r2, #0x00000100 // 64MB
+ // mov r2, #0x00000080 // 32MB
#endif
orr r3, r12, #0x00000012
orr r3, r3, #0x00000c00
map_flash_6:
str r3, [r1], #4
add r3, r3, #0x00100000
subs r2, r2, #4
bne map_flash_6
Thanks for your help... Just didn't know where to look in redboot
source.
On Thu, 6 Dec 2007 05:29:02 +0100, "Manfred Gruber" <[EMAIL PROTECTED]>
said:
> hi !
>
> i have worked for a company where ep93xx and spansion flashes are used,
> please
> look at http://dev.contec.at, there i have made a redboot bootloader
> which
> can handle such flashes, but i have used flash_v2 branche, so it will not
> help u.
>
> > #dd$T0a0f:f06a0100;0d:f07e0400;#dd$T0a0f:f06a0100;0d:f07e0400;
> > #dd$T0a0f:f06a0100;0d:f07e0400;#dd$T0a0f:f06a0100;0d:f07e0400;
>
> this things i have only seen if the mmu is set up wrong, so maybe it
> helps
> check your mmu settings in redboot. maybe the 512 chip adresses obverlap
> somewhere...
>
> regards manfred
> mfg
> Manfred Gruber
> Software Engineering
> [EMAIL PROTECTED]
> http://www.manfred-gruber.at.tt
> http://www.myspace.com/fredl_grma
>
> Am Thursday 06 December 2007 schrieb Hasjim Williams:
> > Hello everyone,
> >
> > I'm having problems getting my ARM920T based EP9315 board to work with
> > 64MB flash. We have 64MB of RAM onboard. We previously had S29GL128N
> > and S29GL256N parts on the board, and haven't been able to get Redboot
> > to boot up correctly with the S29GL512N. It works fine with the
> > S29GL256N or S29GL128N still.
> >
> > As soon as it boots up, it spits out this error message, constantly:
> >
> > #dd$T0a0f:f06a0100;0d:f07e0400;#dd$T0a0f:f06a0100;0d:f07e0400;
> > #dd$T0a0f:f06a0100;0d:f07e0400;#dd$T0a0f:f06a0100;0d:f07e0400;
> >
> > Can anyone suggest anything that I'm missing:
> >
> > packages/devs/flash/arm/edb9312/current/cdl/flash_edb9312_a_amd.cdl:
> >
> > requires CYGHWR_DEVS_FLASH_AMD_S29GL128N
> > requires CYGHWR_DEVS_FLASH_AMD_S29GL256N
> > requires CYGHWR_DEVS_FLASH_AMD_S29GL512N
> >
> > packages/hal/arm/arm9/ep93xx/current/include/conf/mlt_arm9_edb9315a_romram.
> >ldi:
> >
> > MEMORY
> > {
> > ram : ORIGIN = 0, LENGTH = 0x10000000
> > rom : ORIGIN = 0x60000000, LENGTH = 0x8000000
> > }
> >
> > packages/hal/arm/arm9/ep93xx/current/include/conf/mlt_arm9_edb9315a_romram.
> >h:
> >
> > #define CYGMEM_REGION_rom (0x60000000)
> > #define CYGMEM_REGION_rom_SIZE (0x8000000)
> > #define CYGMEM_REGION_rom_ATTR (CYGMEM_REGION_ATTR_R)
> >
> > Thanks for any suggestions,
> >
> >
> > Hasjim Williams
