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AM4372: RTOS QSPI boot

Part Number: AM4372

Hi all,

I'm trying QSPI boot with reference to Booting Via QSPI on the link below.
processors.wiki.ti.com/.../AM437x

But the device will not boot QSPI.
I prepared Flash Device and output the following message.

--------------------------------------------
StarterWare QSPI Flash Writer!!
BOARDInit status [0x0]
SoC : [AM43XX]
Core : [A9]
Board Detected : [IDKEVM]
Base Board Revision : [UNKNOWN]
Daughter Card Revision: [UNKNOWN]
Copying boot to QSPI Flash
Copying app to QSPI Flash
Changing read to quad mode
Read mode has been changed to Quad mode
SUCCESS!!!
Flashing completed
--------------------------------------------

But "Booting the targe" of web link does not work.

I was able to put the following three files in the SD card and copy it to QSPI.

(1)   C:\ti\pdk_am437x_1_0_6\packages\ti\starterware\tools\qspi\config

(2)   C:\ti\pdk_am437x_1_0_6\packages\ti\starterware\binary\gpio_app_led_blink\bin\am43xx-evm\gcc\gpio_app_led_blink_a9host_debug_ti.bin
       (I Renamed the following file to "app".)

(3)   C:\ti\pdk_am437x_1_0_6\packages\ti\starterware\binary\bootloader\bin\am43xx-evm\gcc\bootloader_boot_qspi_a9host_debug.bin
       (I Renamed the following file to "boot".)

What else should I do?

Best regards,
Sasaki