[openfirmware] [commit] r2563 - cpu/arm/mmp2

repository service svn at openfirmware.info
Sat Oct 1 21:53:09 CEST 2011


Author: wmb
Date: Sat Oct  1 21:53:08 2011
New Revision: 2563
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2563

Log:
OLPC XO-1.75 - commented-out ODT turn off/on in self-refresh code; appears to be unnecessary based on testing of q4b10mp.rom .

Modified:
   cpu/arm/mmp2/dramrecal.fth

Modified: cpu/arm/mmp2/dramrecal.fth
==============================================================================
--- cpu/arm/mmp2/dramrecal.fth	Sat Oct  1 21:51:55 2011	(r2562)
+++ cpu/arm/mmp2/dramrecal.fth	Sat Oct  1 21:53:08 2011	(r2563)
@@ -62,9 +62,11 @@
    mov     r1, #0x1          \ Block all data requests
    str     r1, [r0, #0x7e0]  \ SDRAM_CTRL14
 
+[ifdef] notdef2
    ldr   r2, [r0, #0x770]    \ SDRAM_CTRL7_SDRAM_ODT_CTRL2
    orr   r1, r2, #0x03000000 \ PAD_TERM_SWITCH_MODE: Termination disabled
    str   r1, [r0, #0x770]    \ SDRAM_CTRL7_SDRAM_ODT_CTRL2
+[then]
 
    mov   r1, #0x40           \ Enter Self Refresh value
    str   r1, [r0, #0x120]    \ USER_INITIATED_COMMAND0
@@ -87,7 +89,9 @@
    mov   r1, #0x80           \ Exit Self Refresh value
    str   r1, [r0, #0x120]    \ USER_INITIATED_COMMAND0
 
+[ifdef] notdef2
    str   r2, [r0, #0x770]    \ SDRAM_CTRL7_SDRAM_ODT_CTRL2 - restore previous value
+[then]
 
 [ifdef] notdef
    mov   r1, #0x01000000       \ Chip select 0



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