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authorMarek Vasut <marex@denx.de>2020-08-05 15:30:43 +0200
committerStefano Babic <sbabic@denx.de>2020-08-17 17:55:49 +0200
commitaf50d92ae75cae41dfc330daaad0f8f35a051c78 (patch)
tree5756b5e8c2f1b0760a9b6e8c15f3a3997b84bf1f /arch/arm/mach-imx
parent4b44bea701a67e3b83cb82f44fa40485b111d394 (diff)
ARM: imx: ddr: Add deskew register programming
Fill is code for programming the DDR_PHY_CMD_DESKEW_CONx registers, which are optional, but can be used to fill in the byte lane delays. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: NXP i.MX U-Boot Team <uboot-imx@nxp.com> Cc: Peng Fan <peng.fan@nxp.com> Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/mach-imx')
-rw-r--r--arch/arm/mach-imx/mx7/ddr.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mx7/ddr.c b/arch/arm/mach-imx/mx7/ddr.c
index 45954ed1ed..cf25569765 100644
--- a/arch/arm/mach-imx/mx7/ddr.c
+++ b/arch/arm/mach-imx/mx7/ddr.c
@@ -106,6 +106,15 @@ void mx7_dram_cfg(struct ddrc *ddrc_regs_val, struct ddrc_mp *ddrc_mp_val,
~DDR_PHY_CMD_SDLL_CON0_CTRL_RESYNC_MASK,
&ddr_phy_regs->cmd_sdll_con0);
writel(ddr_phy_regs_val->offset_lp_con0, &ddr_phy_regs->offset_lp_con0);
+ writel(ddr_phy_regs_val->cmd_deskew_con0,
+ &ddr_phy_regs->cmd_deskew_con0);
+ writel(ddr_phy_regs_val->cmd_deskew_con1,
+ &ddr_phy_regs->cmd_deskew_con1);
+ writel(ddr_phy_regs_val->cmd_deskew_con2,
+ &ddr_phy_regs->cmd_deskew_con2);
+ writel(ddr_phy_regs_val->cmd_deskew_con3,
+ &ddr_phy_regs->cmd_deskew_con3);
+ writel(ddr_phy_regs_val->cmd_lvl_con0, &ddr_phy_regs->cmd_lvl_con0);
/* calibration */
for (i = 0; i < calib_param->num_val; i++)