diff options
Diffstat (limited to 'board/dhelectronics/dh_imx6')
| -rw-r--r-- | board/dhelectronics/dh_imx6/dh_imx6_spl.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/board/dhelectronics/dh_imx6/dh_imx6_spl.c b/board/dhelectronics/dh_imx6/dh_imx6_spl.c index 1815386a8a..2939389de3 100644 --- a/board/dhelectronics/dh_imx6/dh_imx6_spl.c +++ b/board/dhelectronics/dh_imx6/dh_imx6_spl.c @@ -482,6 +482,29 @@ static void setup_iomux_usb(void) SETUP_IOMUX_PADS(usb_pads); } +/* Perform DDR DRAM calibration */ +static int spl_dram_perform_cal(struct mx6_ddr_sysinfo const *sysinfo) +{ + int ret = 0; + +#ifdef CONFIG_MX6_DDRCAL + udelay(100); + ret = mmdc_do_write_level_calibration(sysinfo); + if (ret) { + printf("DDR3: Write level calibration error [%d]\n", ret); + return ret; + } + + ret = mmdc_do_dqs_calibration(sysinfo); + if (ret) { + printf("DDR3: DQS calibration error [%d]\n", ret); + return ret; + } +#endif /* CONFIG_MX6_DDRCAL */ + + return ret; +} + /* DRAM */ static void dhcom_spl_dram_init(void) @@ -509,8 +532,7 @@ static void dhcom_spl_dram_init(void) } /* Perform DDR DRAM calibration */ - udelay(100); - mmdc_do_dqs_calibration(&dhcom_ddr_64bit); + spl_dram_perform_cal(&dhcom_ddr_64bit); } else if (is_cpu_type(MXC_CPU_MX6DL)) { mx6sdl_dram_iocfg(64, &dhcom6sdl_ddr_ioregs, @@ -528,8 +550,7 @@ static void dhcom_spl_dram_init(void) } /* Perform DDR DRAM calibration */ - udelay(100); - mmdc_do_dqs_calibration(&dhcom_ddr_64bit); + spl_dram_perform_cal(&dhcom_ddr_64bit); } else if (is_cpu_type(MXC_CPU_MX6SOLO)) { mx6sdl_dram_iocfg(32, &dhcom6sdl_ddr_ioregs, @@ -552,8 +573,7 @@ static void dhcom_spl_dram_init(void) } /* Perform DDR DRAM calibration */ - udelay(100); - mmdc_do_dqs_calibration(&dhcom_ddr_32bit); + spl_dram_perform_cal(&dhcom_ddr_32bit); } } |