pcm052: fix DDR initialization sequence
The sequence erroneously launched the DDR controller
initialization before the pad muxing was done, causing
DRAM size computation to hang.
Configuring the pads first then launching DDR controller
initialization prevents the DRAM hanging.
Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
diff --git a/board/phytec/pcm052/pcm052.c b/board/phytec/pcm052/pcm052.c
index e75ff4f..54a4e4f 100644
--- a/board/phytec/pcm052/pcm052.c
+++ b/board/phytec/pcm052/pcm052.c
@@ -258,8 +258,7 @@
.wldqsen = 25,
};
- ddrmc_ctrl_init_ddr3(&pcm052_ddr_timings, pcm052_cr_settings,
- pcm052_phy_settings, 1, 2);
+ const int row_diff = 2;
#elif defined(CONFIG_TARGET_BK4R1)
@@ -314,8 +313,7 @@
.wldqsen = 25,
};
- ddrmc_ctrl_init_ddr3(&pcm052_ddr_timings, pcm052_cr_settings,
- pcm052_phy_settings, 1, 1);
+ const int row_diff = 1;
#else /* Unknown PCM052 variant */
@@ -325,6 +323,9 @@
imx_iomux_v3_setup_multiple_pads(pcm052_pads, ARRAY_SIZE(pcm052_pads));
+ ddrmc_ctrl_init_ddr3(&pcm052_ddr_timings, pcm052_cr_settings,
+ pcm052_phy_settings, 1, row_diff);
+
gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
return 0;