D10724.diff
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	Index: head/sys/arm/mv/mv_common.c
	===================================================================
	--- head/sys/arm/mv/mv_common.c
	+++ head/sys/arm/mv/mv_common.c
	@@ -1116,6 +1116,7 @@
	decode_win_cesa_setup(u_long base)
	{
	uint32_t br, cr;
	+ uint64_t size;
	int i, j;

	for (i = 0; i < MV_WIN_CESA_MAX; i++) {
	@@ -1128,7 +1129,21 @@
	if (ddr_is_active(i)) {
	br = ddr_base(i);

	- cr = (((ddr_size(i) - 1) & 0xffff0000) \|
	+ size = ddr_size(i);
	+#ifdef SOC_MV_ARMADA38X
	+ /*
	+ * Armada 38x SoC's equipped with 4GB DRAM
	+ * suffer freeze during CESA operation, if
	+ * MBUS window opened at given DRAM CS reaches
	+ * end of the address space. Apply a workaround
	+ * by setting the window size to the closest possible
	+ * value, i.e. divide it by 2.
	+ */
	+ if (size + ddr_base(i) == 0x100000000ULL)
	+ size /= 2;
	+#endif
	+
	+ cr = (((size - 1) & 0xffff0000) \|
	(ddr_attr(i) << IO_WIN_ATTR_SHIFT) \|
	(ddr_target(i) << IO_WIN_TGT_SHIFT) \|
	IO_WIN_ENA_MASK);