Intel Agilex® 7 SoC FPGA Boot User Guide

ID 683389
Date 2/01/2024
Public
Document Table of Contents

A.2. BOOT_SCRATCH_COLD1

Boot Scratch Register Intel Agilex® 7 F/I-Series Intel Agilex® 7 M-Series
Boot_Scratch_Cold1
Bits[31:0] Reserved for storing the frequency of the EOSC1 clock input to HPS.
  • Usage:
    • U-Boot:
      • arch/arm/mach-socfpga/wrap_pll_config_soc64.c:cm_get_osc_clk_hz() sets this register to the value from the handoff information when in SPL, then returns the value. When in U-Boot it simply returns the value from this register.