diff options
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 9 |
2 files changed, 9 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 8d0415b080b..969f4abcc0b 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -1267,6 +1267,11 @@ static void __init early_reserve_mem(void) reserve_map = (u64 *)(((unsigned long)initial_boot_params) + initial_boot_params->off_mem_rsvmap); + + /* before we do anything, lets reserve the dt blob */ + lmb_reserve(__pa((unsigned long)initial_boot_params), + initial_boot_params->totalsize); + #ifdef CONFIG_PPC32 /* * Handle the case where we might be booting from an old kexec diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 2442361772e..98e201c38d2 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -1950,11 +1950,7 @@ static void __init flatten_device_tree(void) /* Version 16 is not backward compatible */ hdr->last_comp_version = 0x10; - /* Reserve the whole thing and copy the reserve map in, we - * also bump mem_reserve_cnt to cause further reservations to - * fail since it's too late. - */ - reserve_mem(RELOC(dt_header_start), hdr->totalsize); + /* Copy the reserve map in */ memcpy(rsvmap, RELOC(mem_reserve_map), sizeof(mem_reserve_map)); #ifdef DEBUG_PROM @@ -1967,6 +1963,9 @@ static void __init flatten_device_tree(void) RELOC(mem_reserve_map)[i].size); } #endif + /* Bump mem_reserve_cnt to cause further reservations to fail + * since it's too late. + */ RELOC(mem_reserve_cnt) = MEM_RESERVE_MAP_SIZE; prom_printf("Device tree strings 0x%x -> 0x%x\n", |