ddr: Add DDR driver for iMX8ULP
Add iMX8ULP DDR initialization driver which loads the DDR timing
parameters and executes the training procedure.
When enabling IMX8ULP_DRAM_PHY_PLL_BYPASS, using PHY PLL bypass mode
to do DDR init
Signed-off-by: Ye Li <ye.li@nxp.com>
diff --git a/drivers/Makefile b/drivers/Makefile
index 5674927..fd218c9 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -45,6 +45,7 @@
obj-$(CONFIG_ARMADA_XP) += ddr/marvell/axp/
obj-$(CONFIG_$(SPL_)ALTERA_SDRAM) += ddr/altera/
obj-$(CONFIG_ARCH_IMX8M) += ddr/imx/imx8m/
+obj-$(CONFIG_IMX8ULP_DRAM) += ddr/imx/imx8ulp/
obj-$(CONFIG_SPL_POWER) += power/ power/pmic/
obj-$(CONFIG_SPL_POWER) += power/regulator/
obj-$(CONFIG_SPL_POWER_DOMAIN) += power/domain/