diff options
author | Yann Gautier <yann.gautier@st.com> | 2019-02-14 10:53:33 +0100 |
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committer | Yann Gautier <yann.gautier@st.com> | 2019-02-14 11:20:23 +0100 |
commit | 0d21680c35f328f1b793f0765760e994d883ff12 (patch) | |
tree | c6e8b6e242aee14fbae6171261a63d31b5759b9d /drivers/st/ddr/stm32mp1_ddr_helpers.c | |
parent | 5202cb393da7f6f3a9cf48a49e2a12f3bdee2b16 (diff) |
stm32mp1: update clock driver
Remove useless private structure in function prototypes.
Add a reference counter on clocks.
Prepare for future secured/shared/non-secured clocks.
Change-Id: I3dbed81721da5ceff5e10b2c4155b1e340c036ee
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Nicolas LE BAYON <nicolas.le.bayon@st.com>
Diffstat (limited to 'drivers/st/ddr/stm32mp1_ddr_helpers.c')
-rw-r--r-- | drivers/st/ddr/stm32mp1_ddr_helpers.c | 4 |
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(); } |