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Redboot SDRAM Virtual Memory Mapping
- From: tejas pawaskar <tejaspawaskar at yahoo dot co dot in>
- To: ecos-discuss at ecos dot sourceware dot org
- Date: Wed, 2 May 2007 07:46:43 +0100 (BST)
- Subject: [ECOS] Redboot SDRAM Virtual Memory Mapping
Greetings,
I am using Intel' Xscale PXA270 processor and my SDRAM
(32-bit,104 MHz) 64MB is interfaced to BANK0 having
the physical address 0xA0000000.
In the hal_mmu_init function, the SDRAM is mapped to
virtual address 0x000 using the X_ARM_MMU_SECTION
macro as CACHED. It works fine.
But if I change the virtual address to 0x800 or any
other address other than the 0x000 the redboot does
not boots and halts at early stage after the LED 7
instruction.
Is it that the SDRAM cannot be mapped to any other
address except 0x00000000 in Redboot?
I require the SDRAM to be mapped to 0x80000000, since
I want to boot wince image.
Regards,
Tejas Pawaskar
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