DDR_PHYSICAL_BASE
mem_clusters[0].start = DDR_PHYSICAL_BASE;
t->_bounce_alloc_lo = DDR_PHYSICAL_BASE;
t->_bounce_alloc_hi = DDR_PHYSICAL_BASE + DDR_PHYSICAL_SIZE;
mem_clusters[0].start = DDR_PHYSICAL_BASE + PAGE_SIZE;
t->_bounce_alloc_lo = DDR_PHYSICAL_BASE;
t->_bounce_alloc_hi = DDR_PHYSICAL_BASE + DDR_PHYSICAL_SIZE;
loongson2f_setup_window(MASTER_CPU, WINDOW_CPU_LOW, DDR_PHYSICAL_BASE,
~(0x0fffffffUL), DDR_PHYSICAL_BASE, MASTER_CPU);
~(DDR_PHYSICAL_SIZE - 1), DDR_PHYSICAL_BASE, MASTER_CPU);
~(DDR_PHYSICAL_SIZE - 1), DDR_PHYSICAL_BASE, MASTER_CPU);