PSCI: Build option to enable D-Caches early in warmboot
This patch introduces a build option to enable D-cache early on the CPU
after warm boot. This is applicable for platforms which do not require
interconnect programming to enable cache coherency (eg: single cluster
platforms). If this option is enabled, then warm boot path enables
D-caches immediately after enabling MMU.
Fixes ARM-Software/tf-issues#456
Change-Id: I44c8787d116d7217837ced3bcf0b1d3441c8d80e
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
diff --git a/lib/psci/psci_suspend.c b/lib/psci/psci_suspend.c
index 08c8fd6..bf95df2 100644
--- a/lib/psci/psci_suspend.c
+++ b/lib/psci/psci_suspend.c
@@ -302,7 +302,7 @@
*/
psci_plat_pm_ops->pwr_domain_suspend_finish(state_info);
-#if !HW_ASSISTED_COHERENCY
+#if !(HW_ASSISTED_COHERENCY || WARMBOOT_ENABLE_DCACHE_EARLY)
/* Arch. management: Enable the data cache, stack memory maintenance. */
psci_do_pwrup_cache_maintenance();
#endif