| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/mmio.h> |
| #include <bootstate.h> |
| #include <cpu/x86/smm.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ops.h> |
| #include <cbmem.h> |
| #include <acpi/acpi_gnvs.h> |
| #include <amdblocks/amd_pci_util.h> |
| #include <amdblocks/aoac.h> |
| #include <amdblocks/acpimmio.h> |
| #include <amdblocks/acpi.h> |
| #include <amdblocks/smi.h> |
| #include <soc/southbridge.h> |
| #include <soc/smi.h> |
| #include <soc/amd_pci_int_defs.h> |
| #include <soc/pci_devs.h> |
| #include <agesa_headers.h> |
| #include <soc/acpi.h> |
| #include <soc/aoac_defs.h> |
| #include <soc/nvs.h> |
| #include <types.h> |
| |
| /* |
| * Table of APIC register index and associated IRQ name. Using IDX_XXX_NAME |
| * provides a visible association with the index, therefore helping |
| * maintainability of table. If a new index/name is defined in |
| * amd_pci_int_defs.h, just add the pair at the end of this table. |
| * Order is not important. |
| */ |
| static const struct irq_idx_name irq_association[] = { |
| { PIRQ_A, "INTA#" }, |
| { PIRQ_B, "INTB#" }, |
| { PIRQ_C, "INTC#" }, |
| { PIRQ_D, "INTD#" }, |
| { PIRQ_E, "INTE#" }, |
| { PIRQ_F, "INTF#" }, |
| { PIRQ_G, "INTG#" }, |
| { PIRQ_H, "INTH#" }, |
| { PIRQ_MISC, "Misc" }, |
| { PIRQ_MISC0, "Misc0" }, |
| { PIRQ_MISC1, "Misc1" }, |
| { PIRQ_MISC2, "Misc2" }, |
| { PIRQ_SIRQA, "Ser IRQ INTA" }, |
| { PIRQ_SIRQB, "Ser IRQ INTB" }, |
| { PIRQ_SIRQC, "Ser IRQ INTC" }, |
| { PIRQ_SIRQD, "Ser IRQ INTD" }, |
| { PIRQ_SCI, "SCI" }, |
| { PIRQ_SMBUS, "SMBUS" }, |
| { PIRQ_ASF, "ASF" }, |
| { PIRQ_HDA, "HDA" }, |
| { PIRQ_FC, "FC" }, |
| { PIRQ_PMON, "PerMon" }, |
| { PIRQ_SD, "SD" }, |
| { PIRQ_SDIO, "SDIOt" }, |
| { PIRQ_EHCI, "EHCI" }, |
| { PIRQ_XHCI, "XHCI" }, |
| { PIRQ_SATA, "SATA" }, |
| { PIRQ_GPIO, "GPIO" }, |
| { PIRQ_I2C0, "I2C0" }, |
| { PIRQ_I2C1, "I2C1" }, |
| { PIRQ_I2C2, "I2C2" }, |
| { PIRQ_I2C3, "I2C3" }, |
| { PIRQ_UART0, "UART0" }, |
| { PIRQ_UART1, "UART1" }, |
| }; |
| |
| const struct irq_idx_name *sb_get_apic_reg_association(size_t *size) |
| { |
| *size = ARRAY_SIZE(irq_association); |
| return irq_association; |
| } |
| |
| static void fch_init_acpi_ports(void) |
| { |
| u32 reg; |
| |
| /* We use some of these ports in SMM regardless of whether or not |
| * ACPI tables are generated. Enable these ports indiscriminately. |
| */ |
| |
| pm_write16(PM_EVT_BLK, ACPI_PM_EVT_BLK); |
| pm_write16(PM1_CNT_BLK, ACPI_PM1_CNT_BLK); |
| pm_write16(PM_TMR_BLK, ACPI_PM_TMR_BLK); |
| pm_write16(PM_GPE0_BLK, ACPI_GPE0_BLK); |
| /* CpuControl is in \_SB.CP00, 6 bytes */ |
| pm_write16(PM_CPU_CTRL, ACPI_CPU_CONTROL); |
| |
| if (CONFIG(HAVE_SMI_HANDLER)) { |
| /* APMC - SMI Command Port */ |
| pm_write16(PM_ACPI_SMI_CMD, APM_CNT); |
| configure_smi(SMITYPE_SMI_CMD_PORT, SMI_MODE_SMI); |
| |
| /* SMI on SlpTyp requires sending SMI before completion |
| * response of the I/O write. The BKDG also specifies |
| * clearing ForceStpClkRetry for SMI trapping. |
| */ |
| reg = pm_read32(PM_PCI_CTRL); |
| reg |= FORCE_SLPSTATE_RETRY; |
| reg &= ~FORCE_STPCLK_RETRY; |
| pm_write32(PM_PCI_CTRL, reg); |
| |
| /* Disable SlpTyp feature */ |
| reg = pm_read8(PM_RST_CTRL1); |
| reg &= ~SLPTYPE_CONTROL_EN; |
| pm_write8(PM_RST_CTRL1, reg); |
| |
| configure_smi(SMITYPE_SLP_TYP, SMI_MODE_SMI); |
| } else { |
| pm_write16(PM_ACPI_SMI_CMD, 0); |
| } |
| |
| /* Decode ACPI registers and enable standard features */ |
| pm_write8(PM_ACPI_CONF, PM_ACPI_DECODE_STD | |
| PM_ACPI_GLOBAL_EN | |
| PM_ACPI_RTC_EN_EN | |
| PM_ACPI_TIMER_EN_EN); |
| } |
| |
| void fch_init(void *chip_info) |
| { |
| fch_init_acpi_ports(); |
| } |
| |
| static void set_sb_aoac(struct aoac_devs *aoac) |
| { |
| const struct device *sd, *sata; |
| |
| aoac->ic0e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C0); |
| aoac->ic1e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C1); |
| aoac->ic2e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C2); |
| aoac->ic3e = is_aoac_device_enabled(FCH_AOAC_DEV_I2C3); |
| aoac->ut0e = is_aoac_device_enabled(FCH_AOAC_DEV_UART0); |
| aoac->ut1e = is_aoac_device_enabled(FCH_AOAC_DEV_UART1); |
| aoac->ehce = is_aoac_device_enabled(FCH_AOAC_DEV_USB2); |
| aoac->xhce = is_aoac_device_enabled(FCH_AOAC_DEV_USB3); |
| |
| /* Rely on these being in sync with devicetree */ |
| sd = pcidev_path_on_root(SD_DEVFN); |
| aoac->sd_e = sd && sd->enabled ? 1 : 0; |
| sata = pcidev_path_on_root(SATA_DEVFN); |
| aoac->st_e = sata && sata->enabled ? 1 : 0; |
| aoac->espi = 1; |
| } |
| |
| static void set_sb_gnvs(struct global_nvs *gnvs) |
| { |
| uintptr_t amdfw_rom; |
| uintptr_t xhci_fw; |
| uintptr_t fwaddr; |
| size_t fwsize; |
| |
| amdfw_rom = 0x20000 - (0x80000 << CONFIG_AMD_FWM_POSITION_INDEX); |
| xhci_fw = read32((void *)(amdfw_rom + XHCI_FW_SIG_OFFSET)); |
| |
| fwaddr = 2 + read16((void *)(xhci_fw + XHCI_FW_ADDR_OFFSET |
| + XHCI_FW_BOOTRAM_SIZE)); |
| fwsize = read16((void *)(xhci_fw + XHCI_FW_SIZE_OFFSET |
| + XHCI_FW_BOOTRAM_SIZE)); |
| gnvs->fw00 = 0; |
| gnvs->fw01 = ((32 * KiB) << 16) + 0; |
| gnvs->fw02 = fwaddr + XHCI_FW_BOOTRAM_SIZE; |
| gnvs->fw03 = fwsize << 16; |
| |
| /* TODO: This might break if the OS decides to re-allocate the PCI BARs. */ |
| gnvs->eh10 = pci_read_config32(SOC_EHCI1_DEV, PCI_BASE_ADDRESS_0) |
| & ~PCI_BASE_ADDRESS_MEM_ATTR_MASK; |
| } |
| |
| void fch_final(void *chip_info) |
| { |
| /* TODO: The AOAC states and EHCI/XHCI addresses should be moved out of GNVS */ |
| struct global_nvs *gnvs = acpi_get_gnvs(); |
| if (gnvs) { |
| set_sb_aoac(&gnvs->aoac); |
| set_sb_gnvs(gnvs); |
| } |
| } |
| |
| /* |
| * Update the PCI devices with a valid IRQ number |
| * that is set in the mainboard PCI_IRQ structures. |
| */ |
| static void set_pci_irqs(void *unused) |
| { |
| /* Write PCI_INTR regs 0xC00/0xC01 */ |
| write_pci_int_table(); |
| |
| /* Write IRQs for all devicetree enabled devices */ |
| write_pci_cfg_irqs(); |
| } |
| |
| /* |
| * Hook this function into the PCI state machine |
| * on entry into BS_DEV_ENABLE. |
| */ |
| BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, set_pci_irqs, NULL); |