RZ/N1D/S/L has Double/Single/Zero cores of Cortex-A7.
https://www.renesas.com/eu/en/products/microcontrollers-microprocessors/rz/rzn/rzn1.html
So, better to have separate start-ups for each.
Please refer to “CoreLink™ GIC-400 Generic Interrupt Controller Technical Reference Manual” on Arm website.
Clocks got as follows:
Timer clock is got from CNTFRQ register as follows:
mrc p15, #0, r0, c14, c0, #0
https://www.renesas.com/eu/en/products/microcontrollers-microprocessors/rz/rzn/rzn1.html
So, better to have separate start-ups for each.
Please refer to “CoreLink™ GIC-400 Generic Interrupt Controller Technical Reference Manual” on Arm website.
Clocks got as follows:
Timer clock is got from CNTFRQ register as follows:
mrc p15, #0, r0, c14, c0, #0
How is it derived is not known yet. Other serial and Ethernet are as follows:
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