4.1.8. Enabling the AHBP interface

The AHBP interface can be enabled at reset in the system by an external signal on the processor. If it is disabled at reset then the following code example can be used to enable the AHBP interface from software:

CM7_AHBPCR  EQU 0xE000EF98

        LDR r11, =CM7_AHBPCR
        LDR r0, [r11]
        ORR r0, r0, #0x1         ; Set CM7_AHBPCR.EN field
        STR r0, [r11]

        DSB
        ISB
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