diff options
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/fdt.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 4129f7442244..051be4ca25b9 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -492,9 +492,25 @@ static int __init __fdt_scan_reserved_mem(unsigned long node, const char *uname, */ void __init early_init_fdt_scan_reserved_mem(void) { + int n; + u64 base, size; + if (!initial_boot_params) return; + /* Reserve the dtb region */ + early_init_dt_reserve_memory_arch(__pa(initial_boot_params), + fdt_totalsize(initial_boot_params), + 0); + + /* Process header /memreserve/ fields */ + for (n = 0; ; n++) { + fdt_get_mem_rsv(initial_boot_params, n, &base, &size); + if (!size) + break; + early_init_dt_reserve_memory_arch(base, size, 0); + } + of_scan_flat_dt(__fdt_scan_reserved_mem, NULL); fdt_init_reserved_mem(); } |