diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2012-10-23 18:04:42 +0000 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2012-12-06 14:30:40 -0800 |
| commit | 984d8b09fb3c0ebe97931e6b36ac39bed106ce09 (patch) | |
| tree | 41e4aef9f85cc6e43c77faf8933278c345eadae2 /arch | |
| parent | 34d6057be1a162ce6424314026af12f8963f2df2 (diff) | |
x86: Ignore memory >4GB when parsing Coreboot tables
U-boot is unable to actually use that memory and it can
cause problems with relocation if it tries to.
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/cpu/coreboot/sdram.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/cpu/coreboot/sdram.c b/arch/x86/cpu/coreboot/sdram.c index 93dccb83ef..5d3da9977c 100644 --- a/arch/x86/cpu/coreboot/sdram.c +++ b/arch/x86/cpu/coreboot/sdram.c @@ -60,6 +60,10 @@ int dram_init_f(void) struct memrange *memrange = &lib_sysinfo.memrange[i]; unsigned long long end = memrange->base + memrange->size; + /* Ignore memory over 4GB, we can't use it. */ + if (memrange->base > 0xffffffff) + continue; + if (memrange->type == CB_MEM_RAM && end > ram_size) ram_size = end; } |