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ARM: EXYNOS: add exynos_get_boot_addr() helper

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Add get_cpu_boot_addr() firmware operation and then
exynos_get_boot_addr() helper.

This is a preparation for adding coupled cpuidle support
for Exynos3250 SoC.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2015-03-18 14:09:56 +01:00
committed by Kukjin Kim
parent 955d4cf82f
commit 1225ad7286
3 changed files with 46 additions and 0 deletions
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4
arch/arm/include/asm/firmware.h
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@@ -33,6 +33,10 @@ struct firmware_ops {
* Sets boot address of specified physical CPU
*/
int (*set_cpu_boot_addr)(int cpu, unsigned long boot_addr);
/*
* Gets boot address of specified physical CPU
*/
int (*get_cpu_boot_addr)(int cpu, unsigned long *boot_addr);
/*
* Boots specified physical CPU
*/