Page Comparison

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Features

1. Output log at UART0 (set at 115,200 bps set by i-boot).

2. Support loading firmware of DDR3, DDR4, or LPDDR4 from boot devices.

3. Support initialize initialization of DDR controller and PHY.

4. Support 1D and 2D training of PHY and signals for DDR3, DDR4, and LPDDR4 SDRAM.

5. Support loading image images of TF-A (BL31), OP-TEE (BL32), and U-Boot (BL33) from boot devices.

6. Support secure - boot:

   • Verify digital signature of fip (including TF-A and OP-TEE) and U-Boot images.

   • Decrypt fip image.

7. Support warm-boot.:

   • Switch CA55 to 64-bit mode and jump to run TF-A.

8. Support read reading and write writing OTP bit bits using Sunplus OTPTool through UART0.

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