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| author | Artur Weber <aweber.kernel@gmail.com> | 2023-05-01 22:55:15 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2023-05-09 20:44:30 +0300 |
| commit | 4e486a650162a20e5c3c7987715f8297c84c85f4 (patch) | |
| tree | e08f6f7caf6ffb245e226674d4ff31e3e84d9dce /arch/arm/mach-exynos/firmware.c | |
| parent | 9d2edccb154bd98baf7f1e21d23f799e4f5e8359 (diff) | |
| download | linux-4e486a650162a20e5c3c7987715f8297c84c85f4.tar.xz | |
ARM: exynos: Re-introduce Exynos4212 support
Support for the Exynos4212 SoC was originally dropped as there were
no boards using it. We will be adding a device that uses it, so add
back the relevant code.
This reverts commit 9e43eca3c87476f75680f472ff3ebcd85f357b86.
Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
Link: https://lore.kernel.org/r/20230501195525.6268-4-aweber.kernel@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Diffstat (limited to 'arch/arm/mach-exynos/firmware.c')
| -rw-r--r-- | arch/arm/mach-exynos/firmware.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c index 2da5b60b59e2..a5e22678e27b 100644 --- a/arch/arm/mach-exynos/firmware.c +++ b/arch/arm/mach-exynos/firmware.c @@ -63,12 +63,18 @@ static int exynos_cpu_boot(int cpu) * * On Exynos5 devices the call is ignored by trustzone firmware. */ - if (!soc_is_exynos4210() && !soc_is_exynos4412()) + if (!soc_is_exynos4210() && !soc_is_exynos4212() && + !soc_is_exynos4412()) return 0; /* * The second parameter of SMC_CMD_CPU1BOOT command means CPU id. + * But, Exynos4212 has only one secondary CPU so second parameter + * isn't used for informing secure firmware about CPU id. */ + if (soc_is_exynos4212()) + cpu = 0; + exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0); return 0; } |