From 34b00d03e5a83abb2033337ebf258cda573554a4 Mon Sep 17 00:00:00 2001 From: Jacky Bai Date: Wed, 5 Jun 2019 11:26:12 +0800 Subject: MLK-21950-01 driver: ddr: 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 (cherry picked from commit a8040bc4524687ca026b9960fda18eb19606dade) --- drivers/ddr/imx8m/ddr_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ddr/imx8m/ddr_init.c b/drivers/ddr/imx8m/ddr_init.c index 65d467e8dc..8349f29cb4 100644 --- a/drivers/ddr/imx8m/ddr_init.c +++ b/drivers/ddr/imx8m/ddr_init.c @@ -74,7 +74,7 @@ void 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 */ -- cgit v1.2.3