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driver: ddr: imx: skip ddr_ss_gpr config on imx8mn

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There is no DDR_SS_GPR0 exits on i.MX8MN, so skip setting
this register on i.MX8MN.

Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Jacky Bai 2019-06-05 11:26:12 +08:00 committed by Peng Fan
parent 497c7598c4
commit 355c620666
1 changed files with 1 additions and 1 deletions
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2
drivers/ddr/imx/imx8m/ddr_init.c
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@ -74,7 +74,7 @@ int ddr_init(struct dram_timing_info *dram_timing)
/* if ddr type is LPDDR4, do it */
tmp = reg32_read(DDRC_MSTR(0));
if (tmp & (0x1 << 5))
if (tmp & (0x1 << 5) && !is_imx8mn())
reg32_write(DDRC_DDR_SS_GPR0, 0x01); /* LPDDR4 mode */
/* determine the initial boot frequency */