diff options
Diffstat (limited to 'common/image.c')
| -rw-r--r-- | common/image.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/common/image.c b/common/image.c index 5ce4b1bd24e..e542a573671 100644 --- a/common/image.c +++ b/common/image.c @@ -1185,6 +1185,34 @@ static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) #define CONFIG_SYS_FDT_PAD 0x3000 #endif +#if defined(CONFIG_OF_LIBFDT) +/** + * boot_fdt_add_mem_rsv_regions - Mark the memreserve sections as unusable + * @lmb: pointer to lmb handle, will be used for memory mgmt + * @fdt_blob: pointer to fdt blob base address + * + * Adds the memreserve regions in the dtb to the lmb block. Adding the + * memreserve regions prevents u-boot from using them to store the initrd + * or the fdt blob. + */ +void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob) +{ + uint64_t addr, size; + int i, total; + + if (fdt_check_header (fdt_blob) != 0) + return; + + total = fdt_num_mem_rsv(fdt_blob); + for (i = 0; i < total; i++) { + if (fdt_get_mem_rsv(fdt_blob, i, &addr, &size) != 0) + continue; + printf(" reserving fdt memory region: addr=%llx size=%llx\n", + (unsigned long long)addr, (unsigned long long)size); + lmb_reserve(lmb, addr, size); + } +} + /** * boot_relocate_fdt - relocate flat device tree * @lmb: pointer to lmb handle, will be used for memory mgmt @@ -1202,7 +1230,6 @@ static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) * 0 - success * 1 - failure */ -#if defined(CONFIG_OF_LIBFDT) int boot_relocate_fdt (struct lmb *lmb, char **of_flat_tree, ulong *of_size) { void *fdt_blob = *of_flat_tree; |