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| author | Gregory Nutt <gnutt@nuttx.org> | 2014-04-04 17:13:55 -0600 |
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| committer | Gregory Nutt <gnutt@nuttx.org> | 2014-04-04 17:13:55 -0600 |
| commit | e932b4c8d87a96449a65ae8f7c358ac195b8ed27 (patch) | |
| tree | 0bd2935628251d082ebf55d222aa4d563e4e2102 /nuttx/configs | |
| parent | 438031ea1c40e0aae02699fb9c1bc38087691a51 (diff) | |
| download | px4-nuttx-e932b4c8d87a96449a65ae8f7c358ac195b8ed27.tar.gz px4-nuttx-e932b4c8d87a96449a65ae8f7c358ac195b8ed27.tar.bz2 px4-nuttx-e932b4c8d87a96449a65ae8f7c358ac195b8ed27.zip | |
updated README
Diffstat (limited to 'nuttx/configs')
| -rw-r--r-- | nuttx/configs/sama5d3x-ek/README.txt | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/nuttx/configs/sama5d3x-ek/README.txt b/nuttx/configs/sama5d3x-ek/README.txt index bda6bbcbf..1ca9e07f6 100644 --- a/nuttx/configs/sama5d3x-ek/README.txt +++ b/nuttx/configs/sama5d3x-ek/README.txt @@ -3394,18 +3394,8 @@ To-Do List CONFIG_SAMA5D3xEK_528MHZ=y Basic operation at 528MHz has been verified but is not the default in - these configurations because most testing was done at 396MHz. - - - The apps/system/ramtest runs without errors, but runs very slowly. - It looks like it takes about 90 seconds to test 1MiB of RAM. That - means that a full 256MiB RAM test should take about 6 hours. That - is too long. This implies that there is something wrong with the - SDRAM configuration. - - Similarly, while attempting to calibrate the delay loop, I find that - the 100s calibration delay runs for a very long time. This is not - correct, of course, with a higher CPU clock, the calibration delay - should be shorter if anything! - - NAND time has not been tested. + these configurations because most testing was done at 396MHz. NAND + has not been verified at these rates. 2) Most of these configurations execute from NOR FLASH. I have been unable to execute these configurations from NOR FLASH by closing the BMS jumper |