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SMM for AMD K8 Part 1/2

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Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>




git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6201 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2010-12-18 23:29:37 +00:00
committed by Stefan Reinauer
parent 405721d45c
commit cadc545838
26 changed files with 563 additions and 29 deletions
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9
src/southbridge/intel/i82801gx/smi.c
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@@ -318,8 +318,17 @@ static void smm_relocate(void)
outb(0x00, 0xb2);
}
static int smm_handler_copied = 0;
static void smm_install(void)
{
/* The first CPU running this gets to copy the SMM handler. But not all
* of them.
*/
if (smm_handler_copied)
return;
smm_handler_copied = 1;
/* enable the SMM memory window */
pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), SMRAM,
D_OPEN | G_SMRAME | C_BASE_SEG);