/* * How we use DRAM on Allwinner CPUs * * Copyright (C) 2014 Alexandru Gagniuc * Subject to the GNU GPL v2, or (at your option) any later version. */ #include #include /* * Put CBMEM at top of RAM */ static inline void *a1x_get_cbmem_top(void) { return _dram + (CONFIG_DRAM_SIZE_MB << 20); } /* * By CBFS cache, we mean a cached copy, in RAM, of the entire CBFS region. */ static inline void *a1x_get_cbfs_cache_top(void) { /* Arbitrary 16 MiB gap for cbmem tables and bouncebuffer */ return a1x_get_cbmem_top() - (16 << 20); } static inline void *a1x_get_cbfs_cache_base(void) { return a1x_get_cbfs_cache_top() - CONFIG_ROM_SIZE; }