mirror of
https://github.com/apache/nuttx.git
synced 2026-06-06 08:22:32 +08:00
updated README
This commit is contained in:
@@ -3394,18 +3394,8 @@ To-Do List
|
|||||||
CONFIG_SAMA5D3xEK_528MHZ=y
|
CONFIG_SAMA5D3xEK_528MHZ=y
|
||||||
|
|
||||||
Basic operation at 528MHz has been verified but is not the default in
|
Basic operation at 528MHz has been verified but is not the default in
|
||||||
these configurations because most testing was done at 396MHz.
|
these configurations because most testing was done at 396MHz. NAND
|
||||||
|
has not been verified at these rates.
|
||||||
- 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.
|
|
||||||
|
|
||||||
2) Most of these configurations execute from NOR FLASH. I have been unable
|
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
|
to execute these configurations from NOR FLASH by closing the BMS jumper
|
||||||
|
|||||||
Reference in New Issue
Block a user