| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 Advanced Micro Devices, Inc. |
| * Copyright (C) 2014 Sage Electronic Engineering, LLC. |
| * |
| * 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> /* device_operations */ |
| #include <device/pci_ids.h> |
| #include <bootstate.h> |
| #include <arch/ioapic.h> |
| #include <device/smbus.h> /* smbus_bus_operations */ |
| #include <pc80/mc146818rtc.h> |
| #include <pc80/i8254.h> |
| #include <pc80/i8259.h> |
| #include <console/console.h> /* printk */ |
| #include <arch/acpi.h> |
| #include <device/pci_ehci.h> |
| #include "lpc.h" /* lpc_read_resources */ |
| #include "SBPLATFORM.h" /* Platform Specific Definitions */ |
| #include "cfg.h" /* sb800 Cimx configuration */ |
| #include "chip.h" /* struct southbridge_amd_cimx_sb800_config */ |
| #include "sb_cimx.h" /* AMD CIMX wrapper entries */ |
| #include "smbus.h" |
| #include "fan.h" |
| #include "pci_devs.h" |
| #include <southbridge/amd/common/amd_pci_util.h> |
| |
| static AMDSBCFG sb_late_cfg; //global, init in sb800_cimx_config |
| static AMDSBCFG *sb_config = &sb_late_cfg; |
| |
| /** |
| * @brief Entry point of Southbridge CIMx callout |
| * |
| * prototype UINT32 (*SBCIM_HOOK_ENTRY)(UINT32 Param1, UINT32 Param2, void* pConfig) |
| * |
| * @param[in] func Southbridge CIMx Function ID. |
| * @param[in] data Southbridge Input Data. |
| * @param[in] config Southbridge configuration structure pointer. |
| * |
| */ |
| static u32 sb800_callout_entry(u32 func, u32 data, void* config) |
| { |
| u32 ret = 0; |
| printk(BIOS_DEBUG, "SB800 - Late.c - %s - Start.\n", __func__); |
| switch (func) { |
| case CB_SBGPP_RESET_ASSERT: |
| break; |
| |
| case CB_SBGPP_RESET_DEASSERT: |
| break; |
| |
| case IMC_FIRMWARE_FAIL: |
| break; |
| |
| default: |
| break; |
| } |
| |
| printk(BIOS_DEBUG, "SB800 - Late.c - %s - End.\n", __func__); |
| return ret; |
| } |
| |
| #define HOST_CAP 0x00 /* host capabilities */ |
| #define HOST_CTL 0x04 /* global host control */ |
| #define HOST_IRQ_STAT 0x08 /* interrupt status */ |
| #define HOST_PORTS_IMPL 0x0c /* bitmap of implemented ports */ |
| |
| #define HOST_CTL_AHCI_EN (1 << 31) /* AHCI enabled */ |
| static void ahci_raid_init(struct device *dev) |
| { |
| u8 irq = 0; |
| void *bar5; |
| u32 caps, ports, val; |
| |
| val = pci_read_config16(dev, PCI_CLASS_DEVICE); |
| if (val == PCI_CLASS_STORAGE_SATA) { |
| printk(BIOS_DEBUG, "AHCI controller "); |
| } else if (val == PCI_CLASS_STORAGE_RAID) { |
| printk(BIOS_DEBUG, "RAID controller "); |
| } else { |
| printk(BIOS_WARNING, "device class:%x, neither in ahci or raid mode\n", val); |
| return; |
| } |
| |
| irq = pci_read_config8(dev, PCI_INTERRUPT_LINE); |
| bar5 = (void *)(uintptr_t)pci_read_config32(dev, PCI_BASE_ADDRESS_5); |
| printk(BIOS_DEBUG, "IOMEM base: %p, IRQ: 0x%X\n", bar5, irq); |
| |
| caps = read32(bar5 + HOST_CAP); |
| caps = (caps & 0x1F) + 1; |
| ports= read32(bar5 + HOST_PORTS_IMPL); |
| printk(BIOS_DEBUG, "Number of Ports: 0x%x, Port implemented(bit map): 0x%x\n", caps, ports); |
| |
| /* make sure ahci is enabled */ |
| val = read32(bar5 + HOST_CTL); |
| if (!(val & HOST_CTL_AHCI_EN)) { |
| write32(bar5 + HOST_CTL, val | HOST_CTL_AHCI_EN); |
| } |
| |
| dev->command |= PCI_COMMAND_MASTER; |
| pci_write_config8(dev, PCI_COMMAND, dev->command); |
| printk(BIOS_DEBUG, "AHCI/RAID controller initialized\n"); |
| } |
| |
| static struct pci_operations lops_pci = { |
| .set_subsystem = pci_dev_set_subsystem, |
| }; |
| |
| static void lpc_init(struct device *dev) |
| { |
| printk(BIOS_DEBUG, "SB800 - Late.c - lpc_init - Start.\n"); |
| |
| cmos_check_update_date(); |
| |
| /* Initialize the real time clock. |
| * The 0 argument tells cmos_init not to |
| * update CMOS unless it is invalid. |
| * 1 tells cmos_init to always initialize the CMOS. |
| */ |
| cmos_init(0); |
| |
| setup_i8259(); /* Initialize i8259 pic */ |
| setup_i8254(); /* Initialize i8254 timers */ |
| |
| printk(BIOS_DEBUG, "SB800 - Late.c - lpc_init - End.\n"); |
| } |
| |
| unsigned long acpi_fill_mcfg(unsigned long current) |
| { |
| /* Just a dummy */ |
| return current; |
| } |
| |
| static const char *lpc_acpi_name(const struct device *dev) |
| { |
| if (dev->path.type != DEVICE_PATH_PCI) |
| return NULL; |
| |
| switch (dev->path.pci.devfn) { |
| /* DSDT: acpi/lpc.asl */ |
| case LPC_DEVFN: |
| return "LIBR"; |
| } |
| |
| return NULL; |
| } |
| |
| static struct device_operations lpc_ops = { |
| .read_resources = lpc_read_resources, |
| .set_resources = lpc_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| #if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) |
| .write_acpi_tables = acpi_write_hpet, |
| #endif |
| .init = lpc_init, |
| .scan_bus = scan_lpc_bus, |
| .ops_pci = &lops_pci, |
| .acpi_name = lpc_acpi_name, |
| }; |
| |
| static const struct pci_driver lpc_driver __pci_driver = { |
| .ops = &lpc_ops, |
| .vendor = PCI_VENDOR_ID_ATI, |
| .device = PCI_DEVICE_ID_ATI_SB800_LPC, |
| }; |
| |
| static struct device_operations sata_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = ahci_raid_init, |
| .scan_bus = 0, |
| .ops_pci = &lops_pci, |
| }; |
| |
| static const struct pci_driver ahci_driver __pci_driver = { |
| .ops = &sata_ops, |
| .vendor = PCI_VENDOR_ID_ATI, |
| .device = PCI_DEVICE_ID_ATI_SB800_SATA_AHCI, |
| }; |
| |
| static const struct pci_driver raid_driver __pci_driver = { |
| .ops = &sata_ops, |
| .vendor = PCI_VENDOR_ID_ATI, |
| .device = PCI_DEVICE_ID_ATI_SB800_SATA_RAID, |
| }; |
| static const struct pci_driver raid5_driver __pci_driver = { |
| .ops = &sata_ops, |
| .vendor = PCI_VENDOR_ID_ATI, |
| .device = PCI_DEVICE_ID_ATI_SB800_SATA_RAID5, |
| }; |
| |
| static struct device_operations usb_ops = { |
| .read_resources = pci_ehci_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = 0, |
| .scan_bus = 0, |
| .ops_pci = &lops_pci, |
| }; |
| |
| /* |
| * The pci id of usb ctrl 0 and 1 are the same. |
| */ |
| static const struct pci_driver usb_ohci123_driver __pci_driver = { |
| .ops = &usb_ops, |
| .vendor = PCI_VENDOR_ID_ATI, |
| .device = PCI_DEVICE_ID_ATI_SB800_USB_18_0, /* OHCI-USB1, OHCI-USB2, OHCI-USB3 */ |
| }; |
| |
| static const struct pci_driver usb_ehci123_driver __pci_driver = { |
| .ops = &usb_ops, |
| .vendor = PCI_VENDOR_ID_ATI, |
| .device = PCI_DEVICE_ID_ATI_SB800_USB_18_2, /* EHCI-USB1, EHCI-USB2, EHCI-USB3 */ |
| }; |
| |
| static const struct pci_driver usb_ohci4_driver __pci_driver = { |
| .ops = &usb_ops, |
| .vendor = PCI_VENDOR_ID_ATI, |
| .device = PCI_DEVICE_ID_ATI_SB800_USB_20_5, /* OHCI-USB4 */ |
| }; |
| |
| |
| static struct device_operations azalia_ops = { |
| .read_resources = pci_dev_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 azalia_driver __pci_driver = { |
| .ops = &azalia_ops, |
| .vendor = PCI_VENDOR_ID_ATI, |
| .device = PCI_DEVICE_ID_ATI_SB800_HDA, |
| }; |
| |
| |
| static struct device_operations gec_ops = { |
| .read_resources = pci_dev_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 gec_driver __pci_driver = { |
| .ops = &gec_ops, |
| .vendor = PCI_VENDOR_ID_ATI, |
| .device = PCI_DEVICE_ID_ATI_SB800_GEC, |
| }; |
| |
| /** |
| * Fill build time defaults. |
| */ |
| static void sb800_init(void *chip_info) |
| { |
| printk(BIOS_DEBUG, "SB800: %s\n", __func__); |
| sb_config->StdHeader.CALLBACK.CalloutPtr = sb800_callout_entry; |
| sb800_cimx_config(sb_config); |
| |
| /* Initially enable all GPP ports 0 to 3 */ |
| abcfg_reg(0xc0, 0x01FF, 0x0F4); |
| } |
| |
| /** |
| * South Bridge CIMx ramstage entry point wrapper. |
| */ |
| void sb_Before_Pci_Init(void) |
| { |
| printk(BIOS_DEBUG, "SB800: %s\n", __func__); |
| sb_config->StdHeader.Func = SB_BEFORE_PCI_INIT; |
| AmdSbDispatcher(sb_config); |
| } |
| |
| void sb_After_Pci_Init(void) |
| { |
| printk(BIOS_DEBUG, "SB800: %s\n", __func__); |
| sb_config->StdHeader.Func = SB_AFTER_PCI_INIT; |
| AmdSbDispatcher(sb_config); |
| } |
| |
| void sb_Mid_Post_Init(void) |
| { |
| printk(BIOS_DEBUG, "SB800: %s\n", __func__); |
| sb_config->StdHeader.Func = SB_MID_POST_INIT; |
| AmdSbDispatcher(sb_config); |
| } |
| |
| void sb_Late_Post(void) |
| { |
| printk(BIOS_DEBUG, "SB800: %s\n", __func__); |
| sb_config->StdHeader.Func = SB_LATE_POST_INIT; |
| AmdSbDispatcher(sb_config); |
| } |
| |
| void sb_Before_Pci_Restore_Init(void) |
| { |
| printk(BIOS_DEBUG, "SB800: %s\n", __func__); |
| sb_config->StdHeader.Func = SB_BEFORE_PCI_RESTORE_INIT; |
| AmdSbDispatcher(sb_config); |
| } |
| |
| void sb_After_Pci_Restore_Init(void) |
| { |
| printk(BIOS_DEBUG, "SB800: %s\n", __func__); |
| sb_config->StdHeader.Func = SB_AFTER_PCI_RESTORE_INIT; |
| AmdSbDispatcher(sb_config); |
| } |
| |
| /* |
| * 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); |
| |
| /** |
| * @brief SB Cimx entry point sbBeforePciInit wrapper |
| */ |
| static void sb800_enable(struct device *dev) |
| { |
| struct southbridge_amd_cimx_sb800_config *sb_chip = |
| (struct southbridge_amd_cimx_sb800_config *)(dev->chip_info); |
| |
| switch (dev->path.pci.devfn) { |
| case PCI_DEVFN(0x11, 0): /* 0:11.0 SATA */ |
| if (dev->enabled) { |
| sb_config->SATAMODE.SataMode.SataController = CIMX_OPTION_ENABLED; |
| if (1 == sb_chip->boot_switch_sata_ide) |
| sb_config->SATAMODE.SataMode.SataIdeCombMdPriSecOpt = 0; //0 -IDE as primary. |
| else if (0 == sb_chip->boot_switch_sata_ide) |
| sb_config->SATAMODE.SataMode.SataIdeCombMdPriSecOpt = 1; //1 -IDE as secondary. |
| } else { |
| sb_config->SATAMODE.SataMode.SataController = CIMX_OPTION_DISABLED; |
| } |
| break; |
| |
| case PCI_DEVFN(0x14, 0): /* 0:14:0 SMBUS */ |
| clear_ioapic(VIO_APIC_VADDR); |
| #if IS_ENABLED(CONFIG_CPU_AMD_AGESA) |
| /* Assign the ioapic ID the next available number after the processor core local APIC IDs */ |
| setup_ioapic(VIO_APIC_VADDR, CONFIG_MAX_CPUS); |
| #else |
| /* I/O APIC IDs are normally limited to 4-bits. Enforce this limit. */ |
| #if (CONFIG_APIC_ID_OFFSET == 0 && CONFIG_MAX_CPUS * CONFIG_MAX_PHYSICAL_CPUS < 16) |
| /* Assign the ioapic ID the next available number after the processor core local APIC IDs */ |
| setup_ioapic(VIO_APIC_VADDR, |
| CONFIG_MAX_CPUS * CONFIG_MAX_PHYSICAL_CPUS); |
| #elif (CONFIG_APIC_ID_OFFSET > 0) |
| /* Assign the ioapic ID the value 0. Processor APIC IDs follow. */ |
| setup_ioapic(VIO_APIC_VADDR, 0); |
| #else |
| #error "The processor APIC IDs must be lifted to make room for the I/O APIC ID" |
| #endif |
| #endif |
| break; |
| |
| case PCI_DEVFN(0x14, 1): /* 0:14:1 IDE */ |
| break; |
| |
| case PCI_DEVFN(0x14, 2): /* 0:14:2 HDA */ |
| if (dev->enabled) { |
| if (AZALIA_DISABLE == sb_config->AzaliaController) { |
| sb_config->AzaliaController = AZALIA_AUTO; |
| } |
| } else { |
| sb_config->AzaliaController = AZALIA_DISABLE; |
| } |
| break; |
| |
| |
| case PCI_DEVFN(0x14, 3): /* 0:14:3 LPC */ |
| /* Initialize the fans */ |
| #if IS_ENABLED(CONFIG_SB800_IMC_FAN_CONTROL) |
| init_sb800_IMC_fans(dev); |
| #elif IS_ENABLED(CONFIG_SB800_MANUAL_FAN_CONTROL) |
| init_sb800_MANUAL_fans(dev); |
| #endif |
| break; |
| |
| case PCI_DEVFN(0x14, 4): /* 0:14:4 PCI */ |
| /* PcibConfig [PM_Reg: EAh], PCIDisable [Bit0] |
| * 'PCIDisable' set to 0 to enable P2P bridge. |
| * 'PCIDisable' set to 1 to disable P2P bridge and enable PCI interface pins |
| * to function as GPIO {GPIO 35:0}. |
| */ |
| if (!sb_chip->disconnect_pcib && dev->enabled) |
| RWMEM(ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGEA, AccWidthUint8, ~BIT0, 0); |
| else |
| RWMEM(ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGEA, AccWidthUint8, ~BIT0, BIT0); |
| break; |
| |
| case PCI_DEVFN(0x14, 6): /* 0:14:6 GEC */ |
| if (dev->enabled) { |
| sb_config->GecConfig = 0; |
| } else { |
| sb_config->GecConfig = 1; |
| } |
| break; |
| |
| case PCI_DEVFN(0x15, 0): /* 0:15:0 PCIe PortA */ |
| { |
| struct device *device; |
| for (device = dev; device; device = device->sibling) { |
| if ((device->path.pci.devfn & ~3) != PCI_DEVFN(0x15,0)) break; |
| sb_config->PORTCONFIG[device->path.pci.devfn & 3].PortCfg.PortPresent = device->enabled; |
| } |
| |
| /* |
| * GPP_CFGMODE_X4000: PortA Lanes[3:0] |
| * GPP_CFGMODE_X2200: PortA Lanes[1:0], PortB Lanes[3:2] |
| * GPP_CFGMODE_X2110: PortA Lanes[1:0], PortB Lane2, PortC Lane3 |
| * GPP_CFGMODE_X1111: PortA Lanes0, PortB Lane1, PortC Lane2, PortD Lane3 |
| */ |
| sb_config->GppLinkConfig = sb_chip->gpp_configuration; |
| } |
| break; |
| |
| case PCI_DEVFN(0x12, 0): /* 0:12:0 OHCI-USB1 */ |
| sb_config->USBMODE.UsbMode.Ohci1 = dev->enabled; |
| break; |
| case PCI_DEVFN(0x12, 2): /* 0:12:2 EHCI-USB1 */ |
| sb_config->USBMODE.UsbMode.Ehci1 = dev->enabled; |
| break; |
| case PCI_DEVFN(0x13, 0): /* 0:13:0 OHCI-USB2 */ |
| sb_config->USBMODE.UsbMode.Ohci2 = dev->enabled; |
| break; |
| case PCI_DEVFN(0x13, 2): /* 0:13:2 EHCI-USB2 */ |
| sb_config->USBMODE.UsbMode.Ehci2 = dev->enabled; |
| break; |
| case PCI_DEVFN(0x14, 5): /* 0:14:5 OHCI-USB4 */ |
| sb_config->USBMODE.UsbMode.Ohci4 = dev->enabled; |
| break; |
| case PCI_DEVFN(0x16, 0): /* 0:16:0 OHCI-USB3 */ |
| sb_config->USBMODE.UsbMode.Ohci3 = dev->enabled; |
| break; |
| case PCI_DEVFN(0x16, 2): /* 0:16:2 EHCI-USB3 */ |
| sb_config->USBMODE.UsbMode.Ehci3 = dev->enabled; |
| |
| /* FIXME: Find better callsites for these. |
| * call the CIMX entry at the last sb800 device, |
| * so make sure the mainboard devicetree is complete |
| */ |
| if (!acpi_is_wakeup_s3()) |
| sb_Before_Pci_Init(); |
| else |
| sb_Before_Pci_Restore_Init(); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| struct chip_operations southbridge_amd_cimx_sb800_ops = { |
| CHIP_NAME("ATI SB800") |
| .init = sb800_init, |
| .enable_dev = sb800_enable, |
| }; |