To align with ARM trusted firmware's change, adjust DRAM timing
save area to new position 0x20055000. So we can release the space
since 0x2006c000 for the NOBITS region of ARM trusted firmware
Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
On i.MX8ULP, The dram config timing need to be saved into sram for
ddr retention when APD enter PD mode, so add this support on i.MX8ULP.
Reviewed-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
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>
