From 3f63d27c177a84dd97f77fb843ff4e4c6d7d45eb Mon Sep 17 00:00:00 2001 From: Jian Li Date: Thu, 27 Feb 2020 09:40:10 +0800 Subject: [PATCH] imx8mp: Disables use of MR4 TUF flag (MR4[7]) bit In uMCTL2 Databook, for LPDDR4, it is recommended to set this register to 1. This can avoid ddr bandwidth is lower after booting with running for a while. Reviewed-by: Ye Li Signed-off-by: Jian Li Signed-off-by: Peng Fan --- board/freescale/imx8mp_evk/lpddr4_timing.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/board/freescale/imx8mp_evk/lpddr4_timing.c b/board/freescale/imx8mp_evk/lpddr4_timing.c index 75d6b530d2..7658262b37 100644 --- a/board/freescale/imx8mp_evk/lpddr4_timing.c +++ b/board/freescale/imx8mp_evk/lpddr4_timing.c @@ -11,7 +11,7 @@ struct dram_cfg_param ddr_ddrc_cfg[] = { { 0x3d400304, 0x1 }, { 0x3d400030, 0x1 }, { 0x3d400000, 0xa3080020 }, - { 0x3d400020, 0x323 }, + { 0x3d400020, 0x1323 }, { 0x3d400024, 0x1e84800 }, { 0x3d400064, 0x7a0118 }, { 0x3d4000d0, 0xc00307a3 },