igrr edited a comment on issue #413: esp32-core: Fix BOARD_CLOCK_FREQUENCY
URL: https://github.com/apache/incubator-nuttx/pull/413#issuecomment-595168023
 
 
   By the way, this line:
   
   ```c++
   #ifdef CONFIG_ESP32CORE_RUN_IRAM
   #  define BOARD_CLOCK_FREQUENCY (2 * BOARD_XTAL_FREQUENCY)
   #else
   ```
   
   looks incorrect to me. As I understand, `CONFIG_ESP32CORE_RUN_IRAM` option 
means that the program is loaded directly into IRAM over JTAG, and the 2nd 
stage bootloader is not involved. In this case, CPU and APB frequencies will be 
the same as after reset, and will exactly match the XTAL frequency, so `2 *` 
should be removed.

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