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qi-add-memory-testing-routines.patch

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This adds the memory testing code to Qi.  It tests the range of memory with
several constants and then a 32-bit walking 1 pattern, and repeats forever.

The entire main SDRAM can be tested due to the fact this runs out of
steppingstone only and does not need to store anything outside of it.

It introduces a steppingstone-based stack for use entirely in steppingstone.

Signed-off-by: Andy Green <andy@openmoko.com>
This commit is contained in:
Andy Green
2008-11-28 10:16:41 +00:00
committed by Andy Green
parent cff19a41ce
commit 2e982c433d
4 changed files with 165 additions and 5 deletions
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14
qiboot/src/cpu/s3c2442/start.S
View File

@@ -50,11 +50,6 @@ _start_armboot:
_TEXT_BASE:
.word TEXT_BASE
processor_id:
.word 0
.word 0x41129200 /* s3c2442 ID */
.word 0x410fb760 /* s3c6410 ID */
/*
* These are defined in the board-specific linker script.
*/
@@ -65,6 +60,15 @@ _bss_start:
.globl _bss_end
_bss_end:
.word _end
/*
* we have a stack in steppingstone because we can want to run full memory
* memory tests
*/
.fill 128
.globl _ss_stack
_ss_stack:
start_code:
/*

9
qiboot/src/cpu/s3c6410/start.S
View File

@@ -152,6 +152,15 @@ _bss_start:
_bss_end:
.word _end
/*
* we have a stack in steppingstone because we can want to run full memory
* memory tests
*/
.fill 128
.globl _ss_stack
_ss_stack:
start_code:
/*
* set the cpu to SVC32 mode