diff options
Diffstat (limited to 'drivers/st/ddr/stm32mp1_ddr_helpers.c')
-rw-r--r-- | drivers/st/ddr/stm32mp1_ddr_helpers.c | 26 |
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(); +} |