diff options
| author | Oliver Chen <Oliver.Chen@nxp.com> | 2020-04-21 14:48:09 +0800 |
|---|---|---|
| committer | Peng Fan <peng.fan@nxp.com> | 2020-07-14 15:23:46 +0800 |
| commit | b335966958a93e49439bf248adadce89e7e2bee3 (patch) | |
| tree | d4ee266783df9801705bb751710514be758da202 /drivers/ddr/imx/imx8m/ddrphy_train.c | |
| parent | 3f63d27c177a84dd97f77fb843ff4e4c6d7d45eb (diff) | |
drivers: ddr: imx Workaround for i.MX8M DDRPHY rank to rank issue
Add logic to automatically update umctl2's setting based
on phy training CDD value for rank to rank space issue
Acked-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Oliver Chen <Oliver.Chen@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'drivers/ddr/imx/imx8m/ddrphy_train.c')
| -rw-r--r-- | drivers/ddr/imx/imx8m/ddrphy_train.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ddr/imx/imx8m/ddrphy_train.c b/drivers/ddr/imx/imx8m/ddrphy_train.c index f2a997b50a..08fed6178f 100644 --- a/drivers/ddr/imx/imx8m/ddrphy_train.c +++ b/drivers/ddr/imx/imx8m/ddrphy_train.c @@ -8,6 +8,7 @@ #include <linux/kernel.h> #include <asm/arch/ddr.h> #include <asm/arch/lpddr4_define.h> +#include <asm/arch/sys_proto.h> int ddr_cfg_phy(struct dram_timing_info *dram_timing) { @@ -71,9 +72,15 @@ int ddr_cfg_phy(struct dram_timing_info *dram_timing) /* Read the Message Block results */ dwc_ddrphy_apb_wr(0xd0000, 0x0); + ddrphy_init_read_msg_block(fsp_msg->fw_type); + + if(fsp_msg->fw_type != FW_2D_IMAGE) + get_trained_CDD(i); + dwc_ddrphy_apb_wr(0xd0000, 0x1); + fsp_msg++; } |