diff options
| -rw-r--r-- | plat/imx/imx8m/ddr/dram_retention.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/plat/imx/imx8m/ddr/dram_retention.c b/plat/imx/imx8m/ddr/dram_retention.c index 2dd79b61..685526f4 100644 --- a/plat/imx/imx8m/ddr/dram_retention.c +++ b/plat/imx/imx8m/ddr/dram_retention.c @@ -126,6 +126,10 @@ void dram_exit_retention(void) mmio_write_32(CCM_CCGR(5), 2); mmio_write_32(CCM_SRC_CTRL(15), 2); + /* change the clock source of dram_apb_clk_root */ + mmio_write_32(0x3038a088, (0x7 << 24) | (0x7 << 16)); + mmio_write_32(0x3038a084, (0x4 << 24) | (0x3 << 16)); + /* disable iso */ mmio_setbits_32(IMX_GPC_BASE + PU_PGC_UP_TRG, DDRMIX_PWR_REQ); mmio_write_32(SRC_DDR1_RCR, 0x8F000006); |