[PATCH] arm: Check FEAT_CCIDX when parsing ccsidr_el1 register

[Tom Rini]

On Sun, Mar 10, 2024 at 11:29:58AM +0100, Lukasz Wiecaszek wrote:

> Current Cache Size ID Register (ccsidr_el1) has two "flavors"
> depending on whether FEAT_CCIDX is implemented or not.
> When FEAT_CCIDX is implemented Associativity parameter
> is coded on bits [23:3] and NumSets parameter on bits [55:32].
> When FEAT_CCIDX is not implemented then Associativity parameter
> is coded on bits [12:3] and NumSets parameter on bits [27:13].
> Current U-Boot code does not check whether FEAT_CCIDX is implemented
> and always parses ccsidr_el1 as if FEAT_CCIDX was not implemented.
> This is of course wrong on systems where FEAT_CCIDX is implemented.
> This patch fixes that problems and tests whether FEAT_CCIDX
> is implemented or not and accordingly parses the ccsidr_el1 register.
> 
> Signed-off-by: Lukasz Wiecaszek <lukasz.wiecaszek at gmail.com>

Applied to u-boot/next, thanks!

-- 
Tom
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