QE firmware doesn't used in LS1043ARDB when booting from sd card

[juddwang]

Hi,

In SDK 2.0, QE firmware (iram_Type_A_LS1021a_r1.0.bin) is not loaded in ls1043ardb when booting from sd card. But this QE firmware is loaded when booting from nor flash. My concern is what will happen if QE firmware not loaded?

[Pavel]

If QE microcode is not loader, the LS1043a QE is not work.

NXP SDK 2.0-1703 provides QE microcode loading only from NOR Flash. See u-boot.cfg file in the attachment. This file is available in the folder "ls1043ardb_sdcard_config" in u-boot source folder.

Find the CONFIG_SYS_QE_FW_ADDR in this file.

The simplest way for loading QE microcode from SD card is the following:

1. Load QE microcode from SD card to the SDRAM. It is possible using u-boot commands.
2. Load this microcode from the SRAM to I-RAM. See qe.c file in the attachment. Find the qe_firmware_uploaded function in this file.

Have a great day,
Pavel Chubakov

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