diff options
| author | Jacky Bai <ping.bai@nxp.com> | 2019-12-03 10:38:11 +0800 |
|---|---|---|
| committer | Anson Huang <Anson.Huang@nxp.com> | 2019-12-13 10:45:50 +0800 |
| commit | 837f1ff8c210d7518d7264177b1675694f57012b (patch) | |
| tree | 2844625b4c4a3663f8dcc7785a5dfb36eb45dbef /plat/imx/imx8m/ddr | |
| parent | fc444a01c1306fc09a43c9b8e064973f3ba5cb3d (diff) | |
plat: imx8mn: Enable dram retention suuport on imx8mn
Enable dram retention support on i.MX8MN.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Diffstat (limited to 'plat/imx/imx8m/ddr')
| -rw-r--r-- | plat/imx/imx8m/ddr/dram_retention.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/plat/imx/imx8m/ddr/dram_retention.c b/plat/imx/imx8m/ddr/dram_retention.c index 91d887fe..b919fecc 100644 --- a/plat/imx/imx8m/ddr/dram_retention.c +++ b/plat/imx/imx8m/ddr/dram_retention.c @@ -132,8 +132,12 @@ void dram_exit_retention(void) /* before write Dynamic reg, sw_done should be 0 */ mmio_write_32(DDRC_SWCTL(0), 0x0); + +#if !PLAT_imx8mn if (dram_info.dram_type == DDRC_LPDDR4) mmio_write_32(DDRC_DDR_SS_GPR0, 0x01); /*LPDDR4 mode */ +#endif /* !PLAT_imx8mn */ + mmio_write_32(DDRC_DFIMISC(0), 0x0); /* dram phy re-init */ |