diff options
Diffstat (limited to 'arch/arm/kernel/setup.c')
| -rw-r--r-- | arch/arm/kernel/setup.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 4e80bf7420d4..fc40a2b40595 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -987,6 +987,9 @@ static void __init reserve_crashkernel(void) if (crash_base <= 0) { unsigned long long crash_max = idmap_to_phys((u32)~0); + unsigned long long lowmem_max = __pa(high_memory - 1) + 1; + if (crash_max > lowmem_max) + crash_max = lowmem_max; crash_base = memblock_find_in_range(CRASH_ALIGN, crash_max, crash_size, CRASH_ALIGN); if (!crash_base) { @@ -1066,6 +1069,16 @@ void __init setup_arch(char **cmdline_p) mdesc = setup_machine_fdt(__atags_pointer); if (!mdesc) mdesc = setup_machine_tags(__atags_pointer, __machine_arch_type); + if (!mdesc) { + early_print("\nError: invalid dtb and unrecognized/unsupported machine ID\n"); + early_print(" r1=0x%08x, r2=0x%08x\n", __machine_arch_type, + __atags_pointer); + if (__atags_pointer) + early_print(" r2[]=%*ph\n", 16, + phys_to_virt(__atags_pointer)); + dump_machine_table(); + } + machine_desc = mdesc; machine_name = mdesc->name; dump_stack_set_arch_desc("%s", mdesc->name); |
