diff options
Diffstat (limited to 'board/xilinx/zynqmp/zynqmp.c')
| -rw-r--r-- | board/xilinx/zynqmp/zynqmp.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c index 208eadef45..7177c5a5a8 100644 --- a/board/xilinx/zynqmp/zynqmp.c +++ b/board/xilinx/zynqmp/zynqmp.c @@ -11,6 +11,8 @@ #include <env.h> #include <env_internal.h> #include <init.h> +#include <image.h> +#include <lmb.h> #include <log.h> #include <net.h> #include <sata.h> @@ -453,6 +455,25 @@ int dram_init(void) return 0; } + +ulong board_get_usable_ram_top(ulong total_size) +{ + phys_size_t size; + phys_addr_t reg; + struct lmb lmb; + + /* found enough not-reserved memory to relocated U-Boot */ + lmb_init(&lmb); + lmb_add(&lmb, gd->ram_base, gd->ram_size); + boot_fdt_add_mem_rsv_regions(&lmb, (void *)gd->fdt_blob); + size = ALIGN(CONFIG_SYS_MALLOC_LEN + total_size, MMU_SECTION_SIZE), + reg = lmb_alloc(&lmb, size, MMU_SECTION_SIZE); + + if (!reg) + reg = gd->ram_top - size; + + return reg + size; +} #else int dram_init_banksize(void) { |