plat/intel: Fix SMPLSEL for MMC
MMC sample select needs to be set properly so that DWMMC clock can be
driven to 50Mhz
Signed-off-by: Tien Hock, Loh <tien.hock.loh@intel.com>
Change-Id: I4a1dde4f6a1e78a36940c57a7a5b162be0bd443a
diff --git a/plat/intel/soc/stratix10/include/s10_system_manager.h b/plat/intel/soc/stratix10/include/s10_system_manager.h
index 802386c..4500c6f 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 48f37d7..a2ed5a3 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 @@
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));
+
}