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-rw-r--r--plat/intel/soc/stratix10/include/s10_system_manager.h5
-rw-r--r--plat/intel/soc/stratix10/soc/s10_system_manager.c3
2 files changed, 8 insertions, 0 deletions
diff --git a/plat/intel/soc/stratix10/include/s10_system_manager.h b/plat/intel/soc/stratix10/include/s10_system_manager.h
index 802386c8..4500c6fb 100644
--- a/plat/intel/soc/stratix10/include/s10_system_manager.h
+++ b/plat/intel/soc/stratix10/include/s10_system_manager.h
@@ -59,6 +59,11 @@
#define S10_CCU_NOC_CPU0_RAMSPACE0_0 0xf7004688
#define S10_CCU_NOC_IOM_RAMSPACE0_0 0xf7018628
+#define S10_SYSMGR_CORE(x) (0xffd12000 + (x))
+#define SYSMGR_MMC 0x28
+#define SYSMGR_MMC_DRVSEL(x) (((x) & 0x7) << 0)
+
+
#define DISABLE_L4_FIREWALL (BIT(0) | BIT(16) | BIT(24))
void enable_nonsecure_access(void);
diff --git a/plat/intel/soc/stratix10/soc/s10_system_manager.c b/plat/intel/soc/stratix10/soc/s10_system_manager.c
index 48f37d78..a2ed5a3e 100644
--- a/plat/intel/soc/stratix10/soc/s10_system_manager.c
+++ b/plat/intel/soc/stratix10/soc/s10_system_manager.c
@@ -86,5 +86,8 @@ void enable_nonsecure_access(void)
mmio_clrbits_32(S10_CCU_NOC_CPU0_RAMSPACE0_0, 0x03);
mmio_clrbits_32(S10_CCU_NOC_IOM_RAMSPACE0_0, 0x03);
+
+ mmio_write_32(S10_SYSMGR_CORE(SYSMGR_MMC), SYSMGR_MMC_DRVSEL(3));
+
}