On 09/08/2024 11:55, 郑豪威 wrote:
Hm?Because these features are not applicable to all chips, such asSame questions for all these. Why choosing invert is a board level+ description: Enables fractional-N division. Currently,
+ only LS2K1500 and LS2K2000 support this feature.
+
+ rts-invert:
+ description: Inverts the RTS value in the MCR register.
+ This should be used on Loongson-3 series CPUs, Loongson-2K
+ series CPUs, and Loongson LS7A bridge chips.
+
+ dtr-invert:
+ description: Inverts the DTR value in the MCR register.
+ This should be used on Loongson-3 series CPUs, Loongson-2K
+ series CPUs, and Loongson LS7A bridge chips.
+
+ cts-invert:
+ description: Inverts the CTS value in the MSR register.
+ This should be used on Loongson-2K0500, Loongson-2K1000,
+ and Loongson LS7A bridge chips.
+
+ dsr-invert:
+ description: Inverts the DSR value in the MSR register.
+ This should be used on Loongson-2K0500, Loongson-2K1000,
+ and Loongson LS7A bridge chips.
decision? If it "should be used" then why it is not used always?
'fractional-division',
which is currently supported only by 2K1500 and 2K2000, and forThese are SoCs. Compatible defines that. Please align with your
Loongson-3 series
colleagues, because *we talked about this* already.
Best regards,
Krzysztof