| /* |
| * How we use DRAM on Allwinner CPUs |
| * |
| * Copyright (C) 2014 Alexandru Gagniuc <mr.nuke.me@gmail.com> |
| * Subject to the GNU GPL v2, or (at your option) any later version. |
| */ |
| |
| #include <config.h> |
| #include <symbols.h> |
| |
| /* |
| * 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; |
| } |