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x86: coreboot: Correctly report E820 types 

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.cn@gmail.com>
This commit is contained in:
Bin Meng 2015-08-13 00:29:09 -07:00 committed by Simon Glass
parent 89b870814c
commit 52b778603b
1 changed files with 13 additions and 2 deletions
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15
arch/x86/cpu/coreboot/sdram.c
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@ -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;
}