feat(allwinner): provide CPU idle states to the rich OS
When using SCPI as the PSCI backend, firmware can wake up the CPUs and
cluster from sleep, so CPU idle states are available for the rich OS to
use. In that case, advertise them to the rich OS via the DTB.
Change-Id: I718ef6ef41212fe5213b11b4799613adbbe6e0eb
Signed-off-by: Samuel Holland <samuel@sholland.org>
diff --git a/plat/allwinner/common/include/sunxi_private.h b/plat/allwinner/common/include/sunxi_private.h
index efea736..6a38657 100644
--- a/plat/allwinner/common/include/sunxi_private.h
+++ b/plat/allwinner/common/include/sunxi_private.h
@@ -7,8 +7,12 @@
#ifndef SUNXI_PRIVATE_H
#define SUNXI_PRIVATE_H
+#include <common/fdt_fixup.h>
+
#include <lib/psci/psci.h>
+extern const struct psci_cpu_idle_state sunxi_idle_states[];
+
void sunxi_configure_mmu_el3(int flags);
void sunxi_cpu_on(u_register_t mpidr);
@@ -24,8 +28,13 @@
}
#endif
#if SUNXI_PSCI_USE_SCPI
+bool sunxi_psci_is_scpi(void);
int sunxi_set_scpi_psci_ops(const plat_psci_ops_t **psci_ops);
#else
+static inline bool sunxi_psci_is_scpi(void)
+{
+ return false;
+}
static inline int sunxi_set_scpi_psci_ops(const plat_psci_ops_t **psci_ops)
{
return -1;