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path: root/drivers/st/ddr/stm32mp1_ddr_helpers.c
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Diffstat (limited to 'drivers/st/ddr/stm32mp1_ddr_helpers.c')
-rw-r--r--drivers/st/ddr/stm32mp1_ddr_helpers.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/st/ddr/stm32mp1_ddr_helpers.c b/drivers/st/ddr/stm32mp1_ddr_helpers.c
index c66c9e70..fcb4cfcf 100644
--- a/drivers/st/ddr/stm32mp1_ddr_helpers.c
+++ b/drivers/st/ddr/stm32mp1_ddr_helpers.c
@@ -11,10 +11,14 @@
void ddr_enable_clock(void)
{
+ stm32mp1_clk_rcc_regs_lock();
+
mmio_setbits_32(stm32mp_rcc_base() + RCC_DDRITFCR,
RCC_DDRITFCR_DDRC1EN |
RCC_DDRITFCR_DDRC2EN |
RCC_DDRITFCR_DDRPHYCEN |
RCC_DDRITFCR_DDRPHYCAPBEN |
RCC_DDRITFCR_DDRCAPBEN);
+
+ stm32mp1_clk_rcc_regs_unlock();
}