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southbridge/amd/sr5650: Add IOMMU support

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Change-Id: I2083d0c5653515c27d4626c62a6499b850f7547b
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/12044
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Timothy Pearson
2015-08-11 17:49:06 -05:00
committed by Martin Roth
parent ff8ccf05b0
commit 44e4a4e4db
7 changed files with 609 additions and 8 deletions
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37
src/mainboard/asus/kgpe-d16/acpi_tables.c
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@@ -69,3 +69,40 @@ unsigned long acpi_fill_madt(unsigned long current)
return current;
}
unsigned long acpi_fill_ivrs_ioapic(acpi_ivrs_t* ivrs, unsigned long current)
{
uint8_t *p;
uint32_t apicid_sp5100;
uint32_t apicid_sr5650;
apicid_sp5100 = 0x20;
apicid_sr5650 = apicid_sp5100 + 1;
/* Describe NB IOAPIC */
p = (uint8_t *)current;
p[0] = 0x48; /* Entry type */
p[1] = 0; /* Device */
p[2] = 0; /* Bus */
p[3] = 0x0; /* Data */
p[4] = apicid_sr5650; /* IOAPIC ID */
p[5] = 0x1; /* Device 0 Function 1 */
p[6] = 0x0; /* Northbridge bus */
p[7] = 0x1; /* Variety */
current += 8;
/* Describe SB IOAPIC */
p = (uint8_t *)current;
p[0] = 0x48; /* Entry type */
p[1] = 0; /* Device */
p[2] = 0; /* Bus */
p[3] = 0xd7; /* Data */
p[4] = apicid_sp5100; /* IOAPIC ID */
p[5] = 0x14 << 3; /* Device 0x14 Function 0 */
p[6] = 0x0; /* Southbridge bus */
p[7] = 0x1; /* Variety */
current += 8;
return current;
}