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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/pcie_rp.h>
#include <intelblocks/systemagent.h>
#include <intelblocks/xdci.h>
#include <soc/hsphy.h>
#include <soc/intel/common/vbt.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>
#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";
case 10: return "HS11";
case 11: return "HS12";
case 12: return "HS13";
case 13: return "HS14";
}
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";
case 4: return "SS05";
case 5: return "SS06";
case 6: return "SS07";
case 7: return "SS08";
case 8: return "SS09";
case 9: return "SS10";
}
break;
}
return NULL;
}
if (dev->path.type != DEVICE_PATH_PCI)
return NULL;
switch (dev->path.pci.devfn) {
case SA_DEVFN_ROOT: return "MCHC";
#if CONFIG(SOC_INTEL_ALDERLAKE_PCH_S)
case SA_DEVFN_CPU_PCIE1_0: return "PEG1";
case SA_DEVFN_CPU_PCIE1_1: return "PEG2";
case SA_DEVFN_CPU_PCIE6_0: return "PEG0";
#else
case SA_DEVFN_CPU_PCIE1_0: return "PEG2";
case SA_DEVFN_CPU_PCIE6_0: return "PEG0";
case SA_DEVFN_CPU_PCIE6_2: return "PEG1";
#endif
case SA_DEVFN_IGD: return "GFX0";
case SA_DEVFN_TCSS_XHCI: return "TXHC";
case SA_DEVFN_TCSS_XDCI: return "TXDC";
case SA_DEVFN_TCSS_DMA0: return "TDM0";
case SA_DEVFN_TCSS_DMA1: return "TDM1";
case SA_DEVFN_TBT0: return "TRP0";
case SA_DEVFN_TBT1: return "TRP1";
case SA_DEVFN_TBT2: return "TRP2";
case SA_DEVFN_TBT3: return "TRP3";
case SA_DEVFN_IPU: return "IPU0";
case SA_DEVFN_GNA: return "GNA";
case SA_DEVFN_DPTF: return "TCPU";
case PCH_DEVFN_ISH: return "ISHB";
case PCH_DEVFN_XHCI: return "XHCI";
case PCH_DEVFN_I2C0: return "I2C0";
case PCH_DEVFN_I2C1: return "I2C1";
case PCH_DEVFN_I2C2: return "I2C2";
case PCH_DEVFN_I2C3: return "I2C3";
case PCH_DEVFN_I2C4: return "I2C4";
case PCH_DEVFN_I2C5: return "I2C5";
case PCH_DEVFN_I2C6: return "I2C6";
case PCH_DEVFN_I2C7: return "I2C7";
case PCH_DEVFN_SATA: return "SATA";
case PCH_DEVFN_PCIE1: return "RP01";
case PCH_DEVFN_PCIE2: return "RP02";
case PCH_DEVFN_PCIE3: return "RP03";
case PCH_DEVFN_PCIE4: return "RP04";
case PCH_DEVFN_PCIE5: return "RP05";
case PCH_DEVFN_PCIE6: return "RP06";
case PCH_DEVFN_PCIE7: return "RP07";
case PCH_DEVFN_PCIE8: return "RP08";
case PCH_DEVFN_PCIE9: return "RP09";
case PCH_DEVFN_PCIE10: return "RP10";
case PCH_DEVFN_PCIE11: return "RP11";
case PCH_DEVFN_PCIE12: return "RP12";
case PCH_DEVFN_PCIE13: return "RP13";
case PCH_DEVFN_PCIE14: return "RP14";
case PCH_DEVFN_PCIE15: return "RP15";
case PCH_DEVFN_PCIE16: return "RP16";
case PCH_DEVFN_PCIE17: return "RP17";
case PCH_DEVFN_PCIE18: return "RP18";
case PCH_DEVFN_PCIE19: return "RP19";
case PCH_DEVFN_PCIE20: return "RP20";
case PCH_DEVFN_PCIE21: return "RP21";
case PCH_DEVFN_PCIE22: return "RP22";
case PCH_DEVFN_PCIE23: return "RP23";
case PCH_DEVFN_PCIE24: return "RP24";
#if CONFIG(SOC_INTEL_ALDERLAKE_PCH_S)
/* Avoid conflicts with PCH-N eMMC */
case PCH_DEVFN_PCIE25: return "RP25";
case PCH_DEVFN_PCIE26: return "RP26";
case PCH_DEVFN_PCIE27: return "RP27";
case PCH_DEVFN_PCIE28: return "RP28";
#endif
case PCH_DEVFN_PMC: return "PMC";
case PCH_DEVFN_UART0: return "UAR0";
case PCH_DEVFN_UART1: return "UAR1";
case PCH_DEVFN_UART2: return "UAR2";
case PCH_DEVFN_GSPI0: return "SPI0";
case PCH_DEVFN_GSPI1: return "SPI1";
case PCH_DEVFN_GSPI2: return "SPI2";
case PCH_DEVFN_GSPI3: return "SPI3";
/* Keeping ACPI device name coherent with ec.asl */
case PCH_DEVFN_ESPI: return "LPCB";
case PCH_DEVFN_HDA: return "HDAS";
case PCH_DEVFN_SMBUS: return "SBUS";
case PCH_DEVFN_GBE: return "GLAN";
case PCH_DEVFN_SRAM: return "SRAM";
case PCH_DEVFN_SPI: return "FSPI";
case PCH_DEVFN_CSE: return "HEC1";
#if CONFIG(SOC_INTEL_ALDERLAKE_PCH_N)
case PCH_DEVFN_EMMC: return "EMMC";
#endif
}
return NULL;
}
#endif
#if CONFIG(SOC_INTEL_STORE_ISH_FW_VERSION)
/*
* SoC override API to identify if ISH Firmware existed inside CSE FPT.
*
* SoC with UFS enabled would like to keep ISH enabled as well, hence
* identifying the UFS enabled device is enough to conclude that the ISH
* partition also is available.
*/
bool soc_is_ish_partition_enabled(void)
{
struct device *ufs = pcidev_path_on_root(PCH_DEVFN_UFS);
uint16_t ufs_pci_id = ufs ? pci_read_config16(ufs, PCI_DEVICE_ID) : 0xFFFF;
if (ufs_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)
{
/* HSPHY FW needs to be loaded before FSP silicon init */
load_and_init_hsphy();
/* 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_pch_pcie_rp_table());
/* Swap enabled TBT root ports in device tree if needed. */
pcie_rp_update_devicetree(get_tbt_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)
{
struct device_operations *soc_p2sb_ops = (struct device_operations *)&p2sb_ops;
/*
* 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 == PCH_DEVFN_PMC)
dev->ops = &pmc_ops;
else if (dev->path.type == DEVICE_PATH_PCI &&
dev->path.pci.devfn == PCH_DEVFN_P2SB)
dev->ops = soc_p2sb_ops;
else if (dev->path.type == DEVICE_PATH_GPIO)
block_gpio_enable(dev);
}
struct chip_operations soc_intel_alderlake_ops = {
.name = "Intel Alderlake",
.enable_dev = &soc_enable,
.init = &soc_init_pre_device,
};
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