diff options
| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-08-11 17:49:06 -0500 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2015-11-23 23:02:16 +0100 |
| commit | 44e4a4e4db23677c960591d3209004f4f8b80326 (patch) | |
| tree | 9632043a5f0c475ede792b585b71c60022913e4a /src/mainboard/asus | |
| parent | ff8ccf05b04714ae86ed947841de718699a09d2c (diff) | |
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.c | 37 |
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; +}
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