coreboot has some extensions (type 6 & 16) to the E820 types.
When we detect this, mark it as E820_RESERVED.
Signed-off-by: Bin Meng <bmeng...@gmail.com>
---
arch/x86/cpu/coreboot/sdram.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/arch/x86/cpu/coreboot/sdram.c b/arch/x86/cpu/coreboot/sdram.c
index 9c3ab81..2722886 100644
--- a/arch/x86/cpu/coreboot/sdram.c
+++ b/arch/x86/cpu/coreboot/sdram.c
@@ -22,9 +22,10 @@ DECLARE_GLOBAL_DATA_PTR;
unsigned install_e820_map(unsigned max_entries, struct e820entry *entries)
{
+ unsigned num_entries;
int i;
- unsigned num_entries = min((unsigned)lib_sysinfo.n_memranges,
max_entries);
+ num_entries = min((unsigned)lib_sysinfo.n_memranges, max_entries);
if (num_entries < lib_sysinfo.n_memranges) {
printf("Warning: Limiting e820 map to %d entries.\n",
num_entries);
@@ -34,8 +35,18 @@ unsigned install_e820_map(unsigned max_entries, struct
e820entry *entries)
entries[i].addr = memrange->base;
entries[i].size = memrange->size;
- entries[i].type = memrange->type;
+
+ /*
+ * coreboot has some extensions (type 6 & 16) to the E820 types.
+ * When we detect this, mark it as E820_RESERVED.
+ */
+ if (memrange->type == CB_MEM_VENDOR_RSVD ||
+ memrange->type == CB_MEM_TABLE)
+ entries[i].type = E820_RESERVED;
+ else
+ entries[i].type = memrange->type;
}
+
return num_entries;
}
--
1.8.2.1
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