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From: Juergen Wischer <unclejay1@gmail.com>
To: ecos-discuss@sources.redhat.com
Subject: [ECOS] MMU question - AT91RM9200
Date: Thu, 30 Jun 2005 15:28:00 -0000	[thread overview]
Message-ID: <5c83823050630082753f7df5e@mail.gmail.com> (raw)

Hello,

I have a problem with the right setup of my mmu table.

For testing I load the Redboot ROMRAM image at 0x20300000, where it is
relocated to 0x20000000. Without mmu everything works fine.

When I enable the mmu after following initialization:
ttb_base = 0x20400000
X_ARM_MMU_SECTION(0x200,  0x200,   4,  ARM_UNCACHEABLE,  
ARM_UNBUFFERABLE,   ARM_ACCESS_PERM_RW_RW);

(macro from the AAED2000 board)

I get the problem that my code hangs at the end of the PLATFORM_SETUP1
macro. So there must be a mistake in the mmu init....

hardware:
AT91RM9200 - ARM920T core
0x20000000 - 0x21FFFFFF (RAM)

I hope there somebody out here who can help me with this problem.

Thanks,
Jürgen

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             reply	other threads:[~2005-06-30 15:28 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-30 15:28 Juergen Wischer [this message]
2005-06-30 17:22 ` Andrew Lunn

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