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authorTimothy Pearson <tpearson@raptorengineeringinc.com>2015-08-11 17:49:06 -0500
committerMartin Roth <martinroth@google.com>2015-11-23 23:02:16 +0100
commit44e4a4e4db23677c960591d3209004f4f8b80326 (patch)
tree9632043a5f0c475ede792b585b71c60022913e4a /src/mainboard/asus
parentff8ccf05b04714ae86ed947841de718699a09d2c (diff)
downloadcoreboot-44e4a4e4db23677c960591d3209004f4f8b80326.tar.xz
southbridge/amd/sr5650: Add IOMMU support
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>
Diffstat (limited to 'src/mainboard/asus')
-rw-r--r--src/mainboard/asus/kgpe-d16/acpi_tables.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/mainboard/asus/kgpe-d16/acpi_tables.c b/src/mainboard/asus/kgpe-d16/acpi_tables.c
index 3a4e6d8911..24c1724ead 100644
--- a/src/mainboard/asus/kgpe-d16/acpi_tables.c
+++ b/src/mainboard/asus/kgpe-d16/acpi_tables.c
@@ -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;
+} \ No newline at end of file