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82c0c1459b
tillitis-key/hw
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Joachim Strömbergson 82c0c1459b
FPGA: Add CPU instruction address SPI access control 
Add logic that checks if the CPU is reading an instruction
      to execute from ROM or not. If instructions are read
      from ROM, access to the SPI from the API is granted, and
      signals between the SPI master and a slave are allowed.

      If instructions are not read from ROM, any API access
      is blocked. and between the SPI master and a
      slave are disabled.

Signed-off-by: Joachim Strömbergson <joachim@assured.se>
2024-07-04 14:15:51 +02:00
..
application_fpga FPGA: Add CPU instruction address SPI access control 2024-07-04 14:15:51 +02:00
boards USB: move firmware for usb-to-serial MCU (CH552) 2024-06-25 15:47:22 +02:00
production_test USB: move firmware for usb-to-serial MCU (CH552) 2024-06-25 15:47:22 +02:00
usb_interface/ch552_fw USB: move firmware for usb-to-serial MCU (CH552) 2024-06-25 15:47:22 +02:00