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0b0113f2436b448cd172d2ae9cfcc07628020173
system76-coreboot/src/soc/intel/meteorlake/chip.c
Arthur Heymans 0b0113f243 device/device.h: Rename pci_domain_scan_bus 
On all targets the domain works as a host bridge. Xeon-sp code intends
to feature multiple host bridges below a domain, hence rename the
function to pci_host_bridge_scan_bus.

Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I4e65fdbaf0b42c5f4f62297a60d818d299d76f73
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78326
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Yidi Lin <yidilin@google.com>
2023-10-20 14:24:57 +00:00

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/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/device.h>
#include <device/pci.h>
#include <fsp/api.h>
#include <fsp/util.h>
#include <gpio.h>
#include <intelblocks/acpi.h>
#include <intelblocks/cfg.h>
#include <intelblocks/cse.h>
#include <intelblocks/irq.h>
#include <intelblocks/itss.h>
#include <intelblocks/p2sb.h>
#include <intelblocks/pcie_rp.h>
#include <intelblocks/systemagent.h>
#include <intelblocks/tcss.h>
#include <intelblocks/xdci.h>
#include <soc/intel/common/reset.h>
#include <soc/intel/common/vbt.h>
#include <soc/iomap.h>
#include <soc/itss.h>
#include <soc/p2sb.h>
#include <soc/pci_devs.h>
#include <soc/pcie.h>
#include <soc/ramstage.h>
#include <soc/soc_chip.h>
#include <soc/tcss.h>
#if CONFIG(HAVE_ACPI_TABLES)
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 2:
/* USB2 ports */
switch (dev->path.usb.port_id) {
case 0: return "HS01";
case 1: return "HS02";
case 2: return "HS03";
case 3: return "HS04";
case 4: return "HS05";
case 5: return "HS06";
case 6: return "HS07";
case 7: return "HS08";
case 8: return "HS09";
case 9: return "HS10";
}
break;
case 3:
/* USB3 ports */
switch (dev->path.usb.port_id) {
case 0: return "SS01";
case 1: return "SS02";
case 2: return "SS03";
case 3: return "SS04";
}
break;
}
printk(BIOS_DEBUG, "dev->path.type=%x\n", dev->path.usb.port_type);
return NULL;
}
if (dev->path.type != DEVICE_PATH_PCI) {
printk(BIOS_DEBUG, "dev->path.type=%x\n", dev->path.type);
return NULL;
}
switch (dev->path.pci.devfn) {
case PCI_DEVFN_ROOT: return "MCHC";
case PCI_DEVFN_IGD: return "GFX0";
case PCI_DEVFN_TCSS_XHCI: return "TXHC";
case PCI_DEVFN_TCSS_XDCI: return "TXDC";
case PCI_DEVFN_TCSS_DMA0: return "TDM0";
case PCI_DEVFN_TCSS_DMA1: return "TDM1";
case PCI_DEVFN_TBT0: return "TRP0";
case PCI_DEVFN_TBT1: return "TRP1";
case PCI_DEVFN_TBT2: return "TRP2";
case PCI_DEVFN_TBT3: return "TRP3";
case PCI_DEVFN_IPU: return "IPU0";
case PCI_DEVFN_ISH: return "ISHB";
case PCI_DEVFN_GNA: return "GNA";
case PCI_DEVFN_XHCI: return "XHCI";
case PCI_DEVFN_I2C0: return "I2C0";
case PCI_DEVFN_I2C1: return "I2C1";
case PCI_DEVFN_I2C2: return "I2C2";
case PCI_DEVFN_I2C3: return "I2C3";
case PCI_DEVFN_I2C4: return "I2C4";
case PCI_DEVFN_I2C5: return "I2C5";
case PCI_DEVFN_SATA: return "SATA";
case PCI_DEVFN_PCIE1: return "RP01";
case PCI_DEVFN_PCIE2: return "RP02";
case PCI_DEVFN_PCIE3: return "RP03";
case PCI_DEVFN_PCIE4: return "RP04";
case PCI_DEVFN_PCIE5: return "RP05";
case PCI_DEVFN_PCIE6: return "RP06";
case PCI_DEVFN_PCIE7: return "RP07";
case PCI_DEVFN_PCIE8: return "RP08";
case PCI_DEVFN_PCIE9: return "RP09";
case PCI_DEVFN_PCIE10: return "RP10";
case PCI_DEVFN_PCIE11: return "RP11";
case PCI_DEVFN_PCIE12: return "RP12";
case PCI_DEVFN_PMC: return "PMC";
case PCI_DEVFN_UART0: return "UAR0";
case PCI_DEVFN_UART1: return "UAR1";
case PCI_DEVFN_UART2: return "UAR2";
case PCI_DEVFN_GSPI0: return "SPI0";
case PCI_DEVFN_GSPI1: return "SPI1";
case PCI_DEVFN_GSPI2: return "SPI2";
/* Keeping ACPI device name coherent with ec.asl */
case PCI_DEVFN_ESPI: return "LPCB";
case PCI_DEVFN_HDA: return "HDAS";
case PCI_DEVFN_SMBUS: return "SBUS";
case PCI_DEVFN_GBE: return "GLAN";
}
printk(BIOS_DEBUG, "Missing ACPI Name for PCI: 00:%02x.%01x\n",
PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
return NULL;
}
#endif
#if CONFIG(SOC_INTEL_STORE_ISH_FW_VERSION)
/* SoC override API to identify if ISH Firmware existed inside CSE FPT */
bool soc_is_ish_partition_enabled(void)
{
struct device *ish = pcidev_path_on_root(PCI_DEVFN_ISH);
uint16_t ish_pci_id = ish ? pci_read_config16(ish, PCI_DEVICE_ID) : 0xFFFF;
if (ish_pci_id == 0xFFFF)
return false;
return true;
}
#endif
/* SoC routine to fill GPIO PM mask and value for GPIO_MISCCFG register */
static void soc_fill_gpio_pm_configuration(void)
{
uint8_t value[TOTAL_GPIO_COMM];
const config_t *config = config_of_soc();
if (config->gpio_override_pm)
memcpy(value, config->gpio_pm, sizeof(value));
else
memset(value, MISCCFG_GPIO_PM_CONFIG_BITS, sizeof(value));
gpio_pm_configure(value, TOTAL_GPIO_COMM);
}
void soc_init_pre_device(void *chip_info)
{
config_t *config = config_of_soc();
/* Validate TBT image authentication */
config->tbt_authentication = ioe_p2sb_sbi_read(PID_IOM,
IOM_CSME_IMR_TBT_STATUS) & TBT_VALID_AUTHENTICATION;
/* Perform silicon specific init. */
fsp_silicon_init();
/* Display FIRMWARE_VERSION_INFO_HOB */
fsp_display_fvi_version_hob();
soc_fill_gpio_pm_configuration();
/* Swap enabled PCI ports in device tree if needed. */
pcie_rp_update_devicetree(get_pcie_rp_table());
/*
* Earlier when coreboot used to send EOP at late as possible caused
* issue of delayed response from CSE since CSE was busy loading payload.
* To resolve the issue, EOP should be sent earlier than current sequence
* in the boot sequence at BS_DEV_INIT.
*
* Intel CSE team recommends to send EOP close to FW init (between FSP-S
* exit and current boot sequence) to reduce message response time from
* CSE hence moving sending EOP to earlier stage.
*/
if (CONFIG(SOC_INTEL_CSE_SEND_EOP_EARLY) ||
CONFIG(SOC_INTEL_CSE_SEND_EOP_ASYNC)) {
printk(BIOS_INFO, "Sending EOP early from SoC\n");
cse_send_end_of_post();
}
}
static void cpu_fill_ssdt(const struct device *dev)
{
if (!generate_pin_irq_map())
printk(BIOS_ERR, "Failed to generate ACPI _PRT table!\n");
generate_cpu_entries(dev);
}
static void cpu_set_north_irqs(struct device *dev)
{
irq_program_non_pch();
}
static struct device_operations pci_domain_ops = {
.read_resources = &pci_domain_read_resources,
.set_resources = &pci_domain_set_resources,
.scan_bus = &pci_host_bridge_scan_bus,
#if CONFIG(HAVE_ACPI_TABLES)
.acpi_name = &soc_acpi_name,
.acpi_fill_ssdt = ssdt_set_above_4g_pci,
#endif
};
static struct device_operations cpu_bus_ops = {
.read_resources = noop_read_resources,
.set_resources = noop_set_resources,
.enable_resources = cpu_set_north_irqs,
#if CONFIG(HAVE_ACPI_TABLES)
.acpi_fill_ssdt = cpu_fill_ssdt,
#endif
};
static void soc_enable(struct device *dev)
{
/*
* Set the operations if it is a special bus type or a hidden PCI
* device.
*/
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 &&
dev->path.pci.devfn == PCI_DEVFN_PMC)
dev->ops = &pmc_ops;
else if (dev->path.type == DEVICE_PATH_PCI &&
dev->path.pci.devfn == PCI_DEVFN_IOE_PMC)
dev->ops = &ioe_pmc_ops;
else if (dev->path.type == DEVICE_PATH_PCI &&
dev->path.pci.devfn == PCI_DEVFN_P2SB)
dev->ops = &soc_p2sb_ops;
else if (dev->path.type == DEVICE_PATH_PCI &&
dev->path.pci.devfn == PCI_DEVFN_IOE_P2SB)
dev->ops = &ioe_p2sb_ops;
else if (dev->path.type == DEVICE_PATH_GPIO)
block_gpio_enable(dev);
}
static void soc_init_final_device(void *chip_info)
{
uint32_t reset_status = fsp_get_pch_reset_status();
if (reset_status == FSP_SUCCESS)
return;
/* Handle any pending reset request from previously executed FSP APIs */
fsp_handle_reset(reset_status);
/* Control shouldn't return here */
die_with_post_code(POSTCODE_HW_INIT_FAILURE,
"Failed to handle the FSP reset request with error 0x%08x\n", reset_status);
}
struct chip_operations soc_intel_meteorlake_ops = {
CHIP_NAME("Intel Meteorlake")
.enable_dev = &soc_enable,
.init = &soc_init_pre_device,
.final = &soc_init_final_device,
};
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