Hi,
On 13.05.2014 15:05, Chanwoo Choi wrote:
> This patch fix the offset of CPU boot address and don't need to send smc call
> of SMC_CMD_CPU1BOOT command for secondary CPU boot because Exynos3250 removes
> WFE in secure mode.
>
> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> ---
> arch/arm/mach-exynos/firmware.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
> index 739bdc8..eb91d23 100644
> --- a/arch/arm/mach-exynos/firmware.c
> +++ b/arch/arm/mach-exynos/firmware.c
> @@ -30,6 +30,13 @@ static int exynos_do_idle(void)
> 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.
> + */
> + if (soc_is_exynos3250())
> + 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.
> @@ -50,7 +57,7 @@ static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr)
>
> boot_reg = sysram_ns_base_addr + 0x1c;
>
> - if (!soc_is_exynos4212())
> + if (!soc_is_exynos4212() && !soc_is_exynos3250())
> boot_reg += 4*cpu;
>
> __raw_writel(boot_addr, boot_reg);
>
Reviewed-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
Best regards,
Tomasz
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