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 <ma...@denx.de>
Cc: Fabio Estevam <fabio.este...@nxp.com>
Cc: Silvio Fricke <silvio.fri...@softing.com>
Cc: Stefano Babic <sba...@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 086de1eaf5..a745119577 100644
--- a/board/softing/vining_2000/vining_2000.c
+++ b/board/softing/vining_2000/vining_2000.c
@@ -586,6 +586,11 @@ 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
--
2.24.0
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