From: Jacky Bai <ping.bai@nxp.com>
Date: Wed, 5 Jun 2019 03:26:12 +0000 (+0800)
Subject: driver: ddr: imx: skip ddr_ss_gpr config on imx8mn
X-Git-Tag: v2025.01-rc5-pxa1908~2305^2~50
X-Git-Url: http://git.dujemihanovic.xyz/browse.php?a=commitdiff_plain;h=355c620666c205b55164aeb16f86b775f8c5d1fd;p=u-boot.git

driver: ddr: imx: skip ddr_ss_gpr config on imx8mn

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>
---

diff --git a/drivers/ddr/imx/imx8m/ddr_init.c b/drivers/ddr/imx/imx8m/ddr_init.c
index bbddee6ca8..1c5c7f99cf 100644
--- a/drivers/ddr/imx/imx8m/ddr_init.c
+++ b/drivers/ddr/imx/imx8m/ddr_init.c
@@ -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 */