soc/amd/stoneyridge: Add IOMMU support

Enable the IOMMU in AGESA and copy the AGESA generated IVRS ACPI table.

BUG=b:116196614
TEST=Check dmesg for AMD-Vi messages.

Change-Id: I688d867c7bd4949a57b27c1b6a793c6a6e4a717a
Signed-off-by: Marc Jones <marc.jones@scarletltd.com>
Reviewed-on: https://review.coreboot.org/28753
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Marc Jones 2018-09-26 09:57:08 -06:00 committed by Martin Roth
parent c831fb8b89
commit bc94aeaac8
5 changed files with 61 additions and 1 deletions

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@ -298,6 +298,7 @@
#define PCI_DEVICE_ID_AMD_15H_NB_IOMMU 0x1419
#define PCI_DEVICE_ID_AMD_15H_MODEL_303F_NB_IOMMU 0x1423
#define PCI_DEVICE_ID_AMD_16H_MODEL_303F_NB_IOMMU 0x1567
#define PCI_DEVICE_ID_AMD_15H_MODEL_707F_NB_IOMMU 0x1577
#define PCI_DEVICE_ID_ATI_SB600_LPC 0x438D
#define PCI_DEVICE_ID_ATI_SB600_SATA 0x4380

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@ -324,6 +324,9 @@ AGESA_STATUS agesawrapper_amdinitlate(void)
*/
AMD_LATE_PARAMS *LateParams = create_struct(&AmdParamStruct);
LateParams->GnbLateConfiguration.GnbIoapicId = CONFIG_MAX_CPUS + 1;
LateParams->GnbLateConfiguration.FchIoapicId = CONFIG_MAX_CPUS;
timestamp_add_now(TS_AGESA_INIT_LATE_START);
Status = AmdInitLate(LateParams);
timestamp_add_now(TS_AGESA_INIT_LATE_DONE);

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@ -97,6 +97,7 @@ ramstage-$(CONFIG_USBDEBUG) += enable_usbdebug.c
ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c
ramstage-y += gpio.c
ramstage-y += hda.c
ramstage-y += iommu.c
ramstage-y += monotonic_timer.c
ramstage-y += southbridge.c
ramstage-y += sb_util.c

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@ -0,0 +1,55 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 Rudolf Marek <r.marek@assembler.cz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <lib.h>
static void iommu_read_resources(struct device *dev)
{
struct resource *res;
/* Get the normal pci resources of this device */
pci_dev_read_resources(dev);
/* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, 0x44);
res->size = 512 * 1024;
res->align = log2(res->size);
res->gran = log2(res->size);
res->limit = 0xffffffff; /* 4G */
res->flags = IORESOURCE_MEM;
}
static struct pci_operations lops_pci = {
.set_subsystem = pci_dev_set_subsystem,
};
static struct device_operations iommu_ops = {
.read_resources = iommu_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = 0,
.scan_bus = 0,
.ops_pci = &lops_pci,
};
static const struct pci_driver iommu_driver __pci_driver = {
.ops = &iommu_ops,
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_15H_MODEL_707F_NB_IOMMU,
};

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@ -508,7 +508,7 @@ __weak void set_board_env_params(GNB_ENV_CONFIGURATION *params) { }
void SetNbEnvParams(GNB_ENV_CONFIGURATION *params)
{
params->IommuSupport = FALSE;
params->IommuSupport = TRUE;
set_board_env_params(params);
}