From 0fb7197436378eeb92ff8e2c6a6f6490b31eef1c Mon Sep 17 00:00:00 2001 From: York Sun Date: Wed, 4 Nov 2015 10:03:18 -0800 Subject: [PATCH] driver/ddr/fsl: Update DDR4 MR6 for Vref range MR6 bit 6 is set accrodingly for range 1 or 2, per JEDEC spec. Signed-off-by: York Sun --- drivers/ddr/fsl/ctrl_regs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c index 8543679108..36bf647791 100644 --- a/drivers/ddr/fsl/ctrl_regs.c +++ b/drivers/ddr/fsl/ctrl_regs.c @@ -1186,6 +1186,9 @@ static void set_ddr_sdram_mode_10(const unsigned int ctrl_num, esdmode6 = ((tccdl_min - 4) & 0x7) << 10; + if (popts->ddr_cdr2 & DDR_CDR2_VREF_RANGE_2) + esdmode6 |= 1 << 6; /* Range 2 */ + ddr->ddr_sdram_mode_10 = (0 | ((esdmode6 & 0xffff) << 16) | ((esdmode7 & 0xffff) << 0) -- 2.39.5