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authorFurquan Shaikh <furquan@google.com>2015-04-13 19:57:54 -0700
committerPatrick Georgi <pgeorgi@google.com>2015-04-22 09:03:01 +0200
commit1e2abe05a89cb8ff073837f733185fba2f112610 (patch)
tree2cf86375b60da40af115571039506337641c7f88 /src/arch
parent54594d0e94664a9e06a9d9b2f915bb7573dfbf02 (diff)
downloadcoreboot-1e2abe05a89cb8ff073837f733185fba2f112610.tar.xz
armv8/secmon: Disable and Enable GIC in PSCI path
Disable and enable GIC before switching off a CPU and after bringing it up back respectively. BUG=None BRANCH=None TEST=Compiles successfully and psci commands work for ryu. Change-Id: Ib43af60e994e3d072e897a59595775d0b2dcef83 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: d5271d731f0a569583c2b32ef6726dadbfa846d3 Original-Change-Id: I672945fcb0ff416008a1aad5ed625cfa91bb9cbd Original-Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/265623 Original-Trybot-Ready: Furquan Shaikh <furquan@chromium.org> Original-Tested-by: Furquan Shaikh <furquan@chromium.org> Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org> Reviewed-on: http://review.coreboot.org/9926 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/arm64/armv8/secmon/Makefile.inc1
-rw-r--r--src/arch/arm64/armv8/secmon/psci.c4
2 files changed, 5 insertions, 0 deletions
diff --git a/src/arch/arm64/armv8/secmon/Makefile.inc b/src/arch/arm64/armv8/secmon/Makefile.inc
index 5284d39f39..ace00b441e 100644
--- a/src/arch/arm64/armv8/secmon/Makefile.inc
+++ b/src/arch/arm64/armv8/secmon/Makefile.inc
@@ -39,6 +39,7 @@ secmon-y += ../cpu.S
secmon-y += ../exception.c
secmon-y += ../../cpu.c
secmon-y += ../../transition_asm.S ../../transition.c
+secmon-y += ../../../../drivers/gic/gic.c
ramstage-srcs += $(SECMON_RAMSTAGE)
diff --git a/src/arch/arm64/armv8/secmon/psci.c b/src/arch/arm64/armv8/secmon/psci.c
index a651b6e152..70251b2b06 100644
--- a/src/arch/arm64/armv8/secmon/psci.c
+++ b/src/arch/arm64/armv8/secmon/psci.c
@@ -17,6 +17,7 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
+#include <gic.h>
#include <string.h>
#include <stdlib.h>
#include <smp/spinlock.h>
@@ -231,6 +232,7 @@ void psci_turn_on_self(const struct cpu_action *action)
void psci_cpu_entry(void)
{
+ gic_enable();
/*
* Just wait for an action to be performed. Only CPU_ON is supported
* initially. i.e. no power down then wake.
@@ -327,6 +329,8 @@ static int psci_turn_off_node(struct psci_node *e, int level,
if (ret != PSCI_RET_SUCCESS)
return ret;
+ gic_disable();
+
/* Should never return. */
ret = soc_psci_ops.cmd_commit(&cmd);