[PATCH v4 3/5] ARM: mediatek: add smp bringup code
Russell King - ARM Linux
linux at arm.linux.org.uk
Sat Sep 26 02:38:35 PDT 2015
On Thu, Sep 24, 2015 at 11:38:58PM +0800, Yingjoe Chen wrote:
> +struct mtk_smp_boot_info {
> + unsigned long smp_base;
...
> +static const struct mtk_smp_boot_info mtk_mt8135_tz_boot = {
> + 0x80002000, 0x3fc,
...
> +static const struct mtk_smp_boot_info mtk_mt6589_boot = {
> + 0x10002000, 0x34,
...
> + if (trustzone) {
> + /* smp_base(trustzone-bootinfo) is reserved by device tree */
> + mtk_smp_base = phys_to_virt(mtk_smp_info->smp_base);
I can't say whether this is correct or not, as we've got rid of most of
the information that would allow me to make that decision.
The address passed to phys_to_virt() _must_ be one which is mapped by
the kernel as lowmem. I've no idea if the above would fall into that
category though.
--
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according to speedtest.net.
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