fix(intel): flush dcache before sending certificate to mailbox
Due to the cache coherency issue the dcache need to flush
before sending the certificate to the mailbox
Signed-off-by: Boon Khai Ng <boon.khai.ng@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: I39d5144519d9c7308597698b4cbea1b8aba0a849
diff --git a/plat/intel/soc/common/sip/socfpga_sip_fcs.c b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
index 26da55e..37dc772 100644
--- a/plat/intel/soc/common/sip/socfpga_sip_fcs.c
+++ b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
@@ -74,6 +74,8 @@
(uint32_t *)addr, size / MBOX_WORD_BYTE,
CMD_DIRECT);
+ flush_dcache_range(addr, size);
+
if (status < 0) {
return INTEL_SIP_SMC_STATUS_ERROR;
}