imx8mn: Add low drive mode support for DDR4/LPDDR4 EVK
authorYe Li <ye.li@nxp.com>
Fri, 19 Mar 2021 07:57:09 +0000 (15:57 +0800)
committerStefano Babic <sbabic@denx.de>
Thu, 8 Apr 2021 07:18:29 +0000 (09:18 +0200)
commit98bcdf16356c563ae855b0f1fd40d2ead355713b
tree9d249faa125307b603c1b2c4a9a6e266168859e9
parent4e805c197be408954c50e5d1c7a492d1cf2c7c20
imx8mn: Add low drive mode support for DDR4/LPDDR4 EVK

Add dedicated defconfigs for iMX8MN low drive mode which set the VDD_SOC
and VDD_DRAM to 0.8v, DDR at 1600MTS (800Mhz clock) and GPU at 200Mhz.

Signed-off-by: Ye Li <ye.li@nxp.com>
Acked-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
arch/arm/mach-imx/imx8m/soc.c
board/freescale/imx8mn_evk/Kconfig
board/freescale/imx8mn_evk/Makefile
board/freescale/imx8mn_evk/ddr4_timing_ld.c [new file with mode: 0644]
board/freescale/imx8mn_evk/lpddr4_timing_ld.c [new file with mode: 0644]
board/freescale/imx8mn_evk/spl.c