* Is Intel/Marvell PXA really ARMv4?
@ 2012-06-10 12:08 Krzysztof Halasa
2012-06-11 20:57 ` Robert Jarzmik
0 siblings, 1 reply; 2+ messages in thread
From: Krzysztof Halasa @ 2012-06-10 12:08 UTC (permalink / raw)
To: barebox
(Commit 36c47ce426cbe7aea59fab4c0218fe07cd80bdc0)
arch/arm/cpu/Kconfig:
+# Xscale PXA25x, PXA27x
+config CPU_XSCALE
+ bool
+ select CPU_32v4T
+
I think all XScale CPUs are (at least) ARM v5TE, aren't they?
StrongARM is/was v4.
--
Krzysztof Halasa
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* Re: Is Intel/Marvell PXA really ARMv4?
2012-06-10 12:08 Is Intel/Marvell PXA really ARMv4? Krzysztof Halasa
@ 2012-06-11 20:57 ` Robert Jarzmik
0 siblings, 0 replies; 2+ messages in thread
From: Robert Jarzmik @ 2012-06-11 20:57 UTC (permalink / raw)
To: Krzysztof Halasa; +Cc: barebox
Krzysztof Halasa <khc@pm.waw.pl> writes:
> (Commit 36c47ce426cbe7aea59fab4c0218fe07cd80bdc0)
>
> arch/arm/cpu/Kconfig:
>
> +# Xscale PXA25x, PXA27x
> +config CPU_XSCALE
> + bool
> + select CPU_32v4T
> +
>
> I think all XScale CPUs are (at least) ARM v5TE, aren't they?
Yes they are ... but see next lines ...
The PXA processor is an ARMv5TE. The cache-armv5.S in barebox is acutally
matched to be used with ARMv5TEJ and doesn't get along with a v5TE. Hence we
switch the core depenendy to v4t since the callbacks are fully compatible.
That's what in the historical commits of pxa's barebox support.
Cheers.
--
Robert
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