From 5b97abab5540c6c611573523739a3226b8aaf31f Mon Sep 17 00:00:00 2001 From: Marek Vasut <marex@denx.de> Date: Tue, 26 Nov 2019 09:39:09 +0100 Subject: [PATCH] ARM: imx: vining2000: Enable DDR DRAM calibration Enable DRAM calibration in SPL to improve behavior of the board in edge conditions of the thermal envelope of the board and make it even more stable. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <fabio.estevam@nxp.com> Cc: Silvio Fricke <silvio.fricke@softing.com> Cc: Stefano Babic <sbabic@denx.de> --- board/softing/vining_2000/vining_2000.c | 5 +++++ configs/vining_2000_defconfig | 1 + 2 files changed, 6 insertions(+) diff --git a/board/softing/vining_2000/vining_2000.c b/board/softing/vining_2000/vining_2000.c index 9ac17f78e7..c6aee4ee2b 100644 --- a/board/softing/vining_2000/vining_2000.c +++ b/board/softing/vining_2000/vining_2000.c @@ -587,6 +587,11 @@ static void vining2000_spl_dram_init(void) mx6sx_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs); mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr); + + /* Perform DDR DRAM calibration */ + udelay(100); + mmdc_do_write_level_calibration(&sysinfo); + mmdc_do_dqs_calibration(&sysinfo); } void board_init_f(ulong dummy) diff --git a/configs/vining_2000_defconfig b/configs/vining_2000_defconfig index 4f9f538189..512c15baf8 100644 --- a/configs/vining_2000_defconfig +++ b/configs/vining_2000_defconfig @@ -5,6 +5,7 @@ CONFIG_SPL_GPIO_SUPPORT=y CONFIG_SPL_LIBCOMMON_SUPPORT=y CONFIG_SPL_LIBGENERIC_SUPPORT=y CONFIG_SYS_MALLOC_F_LEN=0x4000 +CONFIG_MX6_DDRCAL=y CONFIG_TARGET_SOFTING_VINING_2000=y CONFIG_SPL_MMC_SUPPORT=y CONFIG_SPL_SERIAL_SUPPORT=y -- 2.39.5