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Diffstat (limited to 'drivers/st/ddr/stm32mp1_ddr_helpers.c')
-rw-r--r--drivers/st/ddr/stm32mp1_ddr_helpers.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/st/ddr/stm32mp1_ddr_helpers.c b/drivers/st/ddr/stm32mp1_ddr_helpers.c
new file mode 100644
index 0000000..e0621b5
--- /dev/null
+++ b/drivers/st/ddr/stm32mp1_ddr_helpers.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2017-2022, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <drivers/st/stm32mp1_ddr_helpers.h>
+#include <lib/mmio.h>
+
+#include <platform_def.h>
+
+void ddr_enable_clock(void)
+{
+ stm32mp1_clk_rcc_regs_lock();
+
+ mmio_setbits_32(stm32mp_rcc_base() + RCC_DDRITFCR,
+ RCC_DDRITFCR_DDRC1EN |
+#if STM32MP_DDR_DUAL_AXI_PORT
+ RCC_DDRITFCR_DDRC2EN |
+#endif
+ RCC_DDRITFCR_DDRPHYCEN |
+ RCC_DDRITFCR_DDRPHYCAPBEN |
+ RCC_DDRITFCR_DDRCAPBEN);
+
+ stm32mp1_clk_rcc_regs_unlock();
+}