From ca565bf4a06cff96be0aebb19e45d48eabb48c00 Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Sat, 3 Aug 2013 08:22:37 -0600 Subject: [PATCH] Standard configuration variables used to enable interupt controller debug; SAMA5: Correct handling of spurious interrupts --- configs/sama5d3x-ek/README.txt | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/configs/sama5d3x-ek/README.txt b/configs/sama5d3x-ek/README.txt index b67752680ec..0a947022635 100644 --- a/configs/sama5d3x-ek/README.txt +++ b/configs/sama5d3x-ek/README.txt @@ -927,12 +927,13 @@ Configurations That configuration runs out of internal SRAM and, as a result, this configuration needs to be recalibrated. - 2013-8-31: SDRAM configuration and RAM test usage are documented, - but only partially functional. SDRAM is accessible but many regions - on the SDRAM fail the RAM test. Most likely there is some error in - the SDRAM timing configuration. I am also seeing occasional crashes - involving unexpected interrupts and the UART when running the RAM - test. Not sure what to make of that yet + 2013-8-3: SDRAM configuration and RAM test usage have been verified + and are functional. I not some issues now; Occassionally, SDRAM is + not functional on initial boot. Or is initially not functional but + improves with accesses. Clearly, more work needs to be done. + + Here is another strange observation: SDRAM accesses tend to + generate occasional spurious interrupts! No idea why. ostest: This configuration directory, performs a simple OS test using