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ARM: samsung: exynos5250: Allow CPU1 to boot

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The firmware trustzone needs a special call to bring up the secondary
cpu core on the Manta board. This seems to be not needed on other
exynos5 boards and comes down to the available firmware on
a particular board.

Signed-off-by: Alexandre Marquet <tb@a-marquet.fr>
Signed-off-by: Lukas Timmermann <linux@timmermann.space>
Reviewed-by: Henrik Grimler <henrik@grimler.se>
Link: https://patch.msgid.link/20260127-lat3st-staging-v4-3-797469aaaf9d@timmermann.space
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
This commit is contained in:
Alexandre Marquet 2026-01-27 21:40:58 +01:00 committed by Krzysztof Kozlowski
parent 6de23f81a5
commit 32d4b991f2
1 changed files with 2 additions and 2 deletions
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4
arch/arm/mach-exynos/firmware.c
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@ -61,10 +61,10 @@ static int exynos_cpu_boot(int cpu)
* Exynos3250 doesn't need to send smc command for secondary CPU boot
* because Exynos3250 removes WFE in secure mode.
*
* On Exynos5 devices the call is ignored by trustzone firmware.
* On most Exynos5 devices the call is ignored by trustzone firmware.
*/
if (!soc_is_exynos4210() && !soc_is_exynos4212() &&
!soc_is_exynos4412())
!soc_is_exynos4412() && !of_machine_is_compatible("google,manta"))
return 0;
/*