diff options
| author | Chen-Yu Tsai <wens@csie.org> | 2016-06-19 04:38:44 (GMT) |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2016-07-15 13:54:58 (GMT) |
| commit | 6e6622de166f53597172687b7269b07cf48844df (patch) | |
| tree | 8a89c350dff56f3ee34cc7fe721a7864179c8c86 /arch/arm/cpu/armv7/sunxi | |
| parent | 45c334e6b22bae75ada8662b88000c4347b1361b (diff) | |
| download | u-boot-fsl-qoriq-6e6622de166f53597172687b7269b07cf48844df.tar.xz | |
ARM: PSCI: Switch to per-CPU target PC storage in secure data section
Now that we have a secure data section and space to store per-CPU target
PC address, switch to it instead of storing the target PC on the stack.
Also save clobbered r4-r7 registers on the stack and restore them on
return in psci_cpu_on for Tegra, i.MX7, and LS102xA platforms.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'arch/arm/cpu/armv7/sunxi')
| -rw-r--r-- | arch/arm/cpu/armv7/sunxi/psci.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/psci.c b/arch/arm/cpu/armv7/sunxi/psci.c index be3a1fb..7ac8406 100644 --- a/arch/arm/cpu/armv7/sunxi/psci.c +++ b/arch/arm/cpu/armv7/sunxi/psci.c @@ -209,9 +209,8 @@ int __secure psci_cpu_on(u32 __always_unused unused, u32 mpidr, u32 pc) (struct sunxi_cpucfg_reg *)SUNXI_CPUCFG_BASE; u32 cpu = (mpidr & 0x3); - /* store target PC at target CPU stack top */ - writel(pc, psci_get_cpu_stack_top(cpu)); - DSB; + /* store target PC */ + psci_save_target_pc(cpu, pc); /* Set secondary core power on PC */ writel((u32)&psci_cpu_entry, &cpucfg->priv0); |