diff options
| -rw-r--r-- | plat/imx/imx8mq/ddrc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/plat/imx/imx8mq/ddrc.c b/plat/imx/imx8mq/ddrc.c index 40dec4c5..ec8cc07d 100644 --- a/plat/imx/imx8mq/ddrc.c +++ b/plat/imx/imx8mq/ddrc.c @@ -2964,17 +2964,19 @@ int lpddr4_dvfs_handler(uint32_t smc_fid, } } - mmio_write_32(0x30340004, mmio_read_32(0x30340004) | (1 << 12)); - /* make sure all the core in WFE */ online_cores &= ~(0x1 << (cpu_id * 8)); while (1) { + mmio_write_32(0x30340004, mmio_read_32(0x30340004) | (1 << 12)); if (online_cores == wfe_done) break; } mmio_write_32(0x30340004, mmio_read_32(0x30340004) & ~(1 << 12)); + /* flush the L1/L2 cache */ + dcsw_op_all(DCCSW); + lpddr4_dvfs_hwffc(init_vrcg, init_fsp, target_freq, discamdrain); init_fsp = (~init_fsp) & 0x1; wait_ddrc_hwffc_done = false; |