coreboot-kgpe-d16/src/soc/amd/picasso/chip.c

164 lines
4 KiB
C
Raw Normal View History

/* SPDX-License-Identifier: GPL-2.0-only */
#include <cpu/amd/mtrr.h>
soc/amd/picasso/pci_devs: Update pci_devs.h with correct values This is a squash of the following commits. The original values were wrong, and had confusing naming. soc/amd/picasso: Get rid of *_DEVID from pci_devs.h Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Change-Id: I203449499840bf0a6df8bd879fb7d2e75a16b284 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2153714 src/amd/picasso: Update PCI bridge devices Orignal-Change-Id: I1fa9d52ce113eacdc5c9ba31ab46b6428a7d6ca9 Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com> Zork: Reorganizing ACPI and adding PCI bridge configs Signed-off-by: Pranay Shoroff <pshoroff@google.com> Original-Change-Id: I1e2095567525f302dfd0bce8e39001250523180b Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2063536 soc/amd/picasso: Fix soc_acpi_name() to use devfn instead of devid Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Change-Id: I2486e7e0059e0528f53d5a158c9328636563fe93 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2153712 BUG=b:147042464 TEST=Build trembyle and boot to OS Signed-off-by: Raul E Rangel <rrangel@chromium.org> Change-Id: I91bf7f9edcddf03027f8fdcaadf4e290ece10df5 Reviewed-on: https://review.coreboot.org/c/coreboot/+/41542 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2020-04-16 07:52:35 +02:00
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <drivers/i2c/designware/dw_i2c.h>
#include <soc/acpi.h>
#include <soc/cpu.h>
#include <soc/data_fabric.h>
#include <soc/pci_devs.h>
#include <soc/southbridge.h>
#include "chip.h"
soc/amd/picasso: Add FSP support for including AGESA AMD has rewritten AGESA (now at v9) for direct inclusion into UEFI build environments. Therefore, unlike the previous Arch2008 (a.k.a. v5), it can't be built without additional source, e.g. by combining with EDK II, and it has no entry points for easily building it into a legacy BIOS. AGESA in coreboot now relies on the FSP 2.0 framework published by Intel and uses the existing fsp2_0 driver. * Add fsp_memory_init() to romstage.c. Although Picasso comes out of reset with DRAM alive, this call is added to maximize compatibility and facilitate internal development. Future work may look at removing it. AGESA reports the memory map to coreboot via HOBs returned from fsp_memory_init(). * AGESA currently sets up MTRRs, as in most older generations. Take ownership back immediately before running ramstage. * Remove cbmem initialization, as the FSP driver handles this. * Add chipset_handle_reset() for compatibility. * Top of memory is determined by the FSP driver checking the HOBs passed from AGESA. Note that relying on the TOM register happens to be misleading when UMA is below 4GB. BUG=b:147042464 TEST=Boot trembyle to payload Change-Id: Iecb3a3f2599a8ccbc168b1d26a0271f51b71dcf0 Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34423 Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-01-21 07:05:31 +01:00
#include <fsp/api.h>
/* Supplied by i2c.c */
extern struct device_operations picasso_i2c_mmio_ops;
extern const char *i2c_acpi_name(const struct device *dev);
struct device_operations cpu_bus_ops = {
.read_resources = noop_read_resources,
.set_resources = noop_set_resources,
.init = picasso_init_cpus,
.acpi_fill_ssdt = generate_cpu_entries,
};
const char *soc_acpi_name(const struct device *dev)
{
if (dev->path.type == DEVICE_PATH_DOMAIN)
return "PCI0";
if (dev->path.type == DEVICE_PATH_USB) {
switch (dev->path.usb.port_type) {
case 0:
/* Root Hub */
return "RHUB";
case 3:
/* USB3 ports */
switch (dev->path.usb.port_id) {
case 0: return "SS01";
case 1: return "SS02";
case 2: return "SS03";
}
break;
}
return NULL;
}
if (dev->path.type != DEVICE_PATH_PCI)
return NULL;
soc/amd/picasso/pci_devs: Update pci_devs.h with correct values This is a squash of the following commits. The original values were wrong, and had confusing naming. soc/amd/picasso: Get rid of *_DEVID from pci_devs.h Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Change-Id: I203449499840bf0a6df8bd879fb7d2e75a16b284 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2153714 src/amd/picasso: Update PCI bridge devices Orignal-Change-Id: I1fa9d52ce113eacdc5c9ba31ab46b6428a7d6ca9 Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com> Zork: Reorganizing ACPI and adding PCI bridge configs Signed-off-by: Pranay Shoroff <pshoroff@google.com> Original-Change-Id: I1e2095567525f302dfd0bce8e39001250523180b Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2063536 soc/amd/picasso: Fix soc_acpi_name() to use devfn instead of devid Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Change-Id: I2486e7e0059e0528f53d5a158c9328636563fe93 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2153712 BUG=b:147042464 TEST=Build trembyle and boot to OS Signed-off-by: Raul E Rangel <rrangel@chromium.org> Change-Id: I91bf7f9edcddf03027f8fdcaadf4e290ece10df5 Reviewed-on: https://review.coreboot.org/c/coreboot/+/41542 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2020-04-16 07:52:35 +02:00
if (dev->bus->dev->path.type == DEVICE_PATH_DOMAIN) {
switch (dev->path.pci.devfn) {
case GNB_DEVFN:
return "GNB";
case IOMMU_DEVFN:
return "IOMM";
case PCIE_GPP_0_DEVFN:
return "PBR0";
case PCIE_GPP_1_DEVFN:
return "PBR1";
case PCIE_GPP_2_DEVFN:
return "PBR2";
case PCIE_GPP_3_DEVFN:
return "PBR3";
case PCIE_GPP_4_DEVFN:
return "PBR4";
case PCIE_GPP_5_DEVFN:
return "PBR5";
case PCIE_GPP_6_DEVFN:
return "PBR6";
case PCIE_GPP_A_DEVFN:
return "PBRA";
case PCIE_GPP_B_DEVFN:
return "PBRB";
case LPC_DEVFN:
return "LPCB";
case SMBUS_DEVFN:
return "SBUS";
default:
printk(BIOS_WARNING, "Unknown root PCI device: dev: %d, fn: %d\n",
PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
return NULL;
}
}
if (dev->bus->dev->path.type == DEVICE_PATH_PCI
&& dev->bus->dev->path.pci.devfn == PCIE_GPP_A_DEVFN) {
switch (dev->path.pci.devfn) {
case XHCI0_DEVFN:
return "XHC0";
case XHCI1_DEVFN:
return "XHC1";
default:
printk(BIOS_WARNING, "Unknown Bus A PCI device: dev: %d, fn: %d\n",
PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
return NULL;
}
}
soc/amd/picasso/pci_devs: Update pci_devs.h with correct values This is a squash of the following commits. The original values were wrong, and had confusing naming. soc/amd/picasso: Get rid of *_DEVID from pci_devs.h Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Change-Id: I203449499840bf0a6df8bd879fb7d2e75a16b284 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2153714 src/amd/picasso: Update PCI bridge devices Orignal-Change-Id: I1fa9d52ce113eacdc5c9ba31ab46b6428a7d6ca9 Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com> Zork: Reorganizing ACPI and adding PCI bridge configs Signed-off-by: Pranay Shoroff <pshoroff@google.com> Original-Change-Id: I1e2095567525f302dfd0bce8e39001250523180b Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2063536 soc/amd/picasso: Fix soc_acpi_name() to use devfn instead of devid Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Change-Id: I2486e7e0059e0528f53d5a158c9328636563fe93 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2153712 BUG=b:147042464 TEST=Build trembyle and boot to OS Signed-off-by: Raul E Rangel <rrangel@chromium.org> Change-Id: I91bf7f9edcddf03027f8fdcaadf4e290ece10df5 Reviewed-on: https://review.coreboot.org/c/coreboot/+/41542 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
2020-04-16 07:52:35 +02:00
printk(BIOS_WARNING, "Unknown PCI device: dev: %d, fn: %d\n",
PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
return NULL;
};
struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
.scan_bus = pci_domain_scan_bus,
.acpi_name = soc_acpi_name,
};
static struct device_operations pci_ops_ops_bus_ab = {
.read_resources = pci_bus_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_bus_enable_resources,
.scan_bus = pci_scan_bridge,
.reset_bus = pci_bus_reset,
.acpi_fill_ssdt = acpi_device_write_pci_dev,
};
static void enable_dev(struct device *dev)
{
/* Set the operations if it is a special bus type */
if (dev->path.type == DEVICE_PATH_DOMAIN) {
dev->ops = &pci_domain_ops;
} else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
dev->ops = &cpu_bus_ops;
} else if (dev->path.type == DEVICE_PATH_PCI) {
if (dev->bus->dev->path.type == DEVICE_PATH_DOMAIN) {
switch (dev->path.pci.devfn) {
case PCIE_GPP_A_DEVFN:
case PCIE_GPP_B_DEVFN:
dev->ops = &pci_ops_ops_bus_ab;
}
}
sb_enable(dev);
} else if (dev->path.type == DEVICE_PATH_MMIO) {
if (i2c_acpi_name(dev) != NULL)
dev->ops = &picasso_i2c_mmio_ops;
}
}
static void soc_init(void *chip_info)
{
soc/amd/picasso: Add FSP support for including AGESA AMD has rewritten AGESA (now at v9) for direct inclusion into UEFI build environments. Therefore, unlike the previous Arch2008 (a.k.a. v5), it can't be built without additional source, e.g. by combining with EDK II, and it has no entry points for easily building it into a legacy BIOS. AGESA in coreboot now relies on the FSP 2.0 framework published by Intel and uses the existing fsp2_0 driver. * Add fsp_memory_init() to romstage.c. Although Picasso comes out of reset with DRAM alive, this call is added to maximize compatibility and facilitate internal development. Future work may look at removing it. AGESA reports the memory map to coreboot via HOBs returned from fsp_memory_init(). * AGESA currently sets up MTRRs, as in most older generations. Take ownership back immediately before running ramstage. * Remove cbmem initialization, as the FSP driver handles this. * Add chipset_handle_reset() for compatibility. * Top of memory is determined by the FSP driver checking the HOBs passed from AGESA. Note that relying on the TOM register happens to be misleading when UMA is below 4GB. BUG=b:147042464 TEST=Boot trembyle to payload Change-Id: Iecb3a3f2599a8ccbc168b1d26a0271f51b71dcf0 Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34423 Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-01-21 07:05:31 +01:00
fsp_silicon_init(acpi_is_wakeup_s3());
data_fabric_set_mmio_np();
southbridge_init(chip_info);
setup_bsp_ramtop();
}
static void soc_final(void *chip_info)
{
southbridge_final(chip_info);
}
struct chip_operations soc_amd_picasso_ops = {
CHIP_NAME("AMD Picasso SOC")
.enable_dev = enable_dev,
.init = soc_init,
.final = soc_final
};