diff options
Diffstat (limited to 'src/cpu/allwinner/a10/ram_segs.h')
-rw-r--r-- | src/cpu/allwinner/a10/ram_segs.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/cpu/allwinner/a10/ram_segs.h b/src/cpu/allwinner/a10/ram_segs.h new file mode 100644 index 0000000000..45141fe5c0 --- /dev/null +++ b/src/cpu/allwinner/a10/ram_segs.h @@ -0,0 +1,30 @@ +/* + * 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> + +/* + * Put CBMEM at top of RAM + */ +static inline void *a1x_get_cbmem_top(void) +{ + return (void *)CONFIG_SYS_SDRAM_BASE + (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; +} |