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Diffstat (limited to 'plat/imx/imx8m/gpc_common.c')
-rw-r--r--plat/imx/imx8m/gpc_common.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/plat/imx/imx8m/gpc_common.c b/plat/imx/imx8m/gpc_common.c
index adb43608..091cf451 100644
--- a/plat/imx/imx8m/gpc_common.c
+++ b/plat/imx/imx8m/gpc_common.c
@@ -15,6 +15,7 @@
#include <gpc.h>
#include <imx8m_psci.h>
+#include <imx_sip_svc.h>
#include <plat_imx8.h>
#define FSL_SIP_CONFIG_GPC_PM_DOMAIN 0x03
@@ -305,3 +306,25 @@ int imx_gpc_handler(uint32_t smc_fid, u_register_t x1, u_register_t x2, u_regist
return 0;
}
+
+#pragma weak imx_src_handler
+/* imx8mq/imx8mm need to verrride below function */
+int imx_src_handler(uint32_t smc_fid, u_register_t x1, u_register_t x2,
+ u_register_t x3)
+{
+ uint32_t val;
+
+ switch(x1) {
+ case IMX_SIP_SRC_M4_START:
+ mmio_clrbits_32(IMX_IOMUX_GPR_BASE + 0x58, 0x1);
+ break;
+ case IMX_SIP_SRC_M4_STARTED:
+ val = mmio_read_32(IMX_IOMUX_GPR_BASE + 0x58);
+ return !(val & 0x1);
+ default:
+ return SMC_UNK;
+
+ };
+
+ return 0;
+}