| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 Advanced Micro Devices, Inc. |
| * |
| * 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> /* device_t */ |
| #include <device/pci.h> /* device_operations */ |
| #include <device/pci_ids.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 <device/pci_ehci.h> |
| #include <arch/acpi.h> |
| #include "lpc.h" /* lpc_read_resources */ |
| #include "SbPlatform.h" /* Platform Specific Definitions */ |
| #include "chip.h" /* struct southbridge_amd_cimx_sb900_config */ |
| |
| |
| /*implement in mainboard.c*/ |
| //void set_pcie_assert(void); |
| //void set_pcie_deassert(void); |
| void set_pcie_reset(void); |
| void set_pcie_dereset(void); |
| |
| |
| #ifndef _RAMSTAGE_ |
| #define _RAMSTAGE_ |
| #endif |
| static AMDSBCFG sb_late_cfg; //global, init in sb900_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. |
| * |
| */ |
| u32 sb900_callout_entry(u32 func, u32 data, void* config) |
| { |
| u32 ret = 0; |
| |
| printk(BIOS_DEBUG, "SB900 - Late.c - sb900_callout_entry - Start.\n"); |
| switch (func) { |
| case CB_SBGPP_RESET_ASSERT: |
| //set_pcie_assert(); |
| //- set_pcie_reset(); |
| break; |
| |
| case CB_SBGPP_RESET_DEASSERT: |
| //set_pcie_deassert(); |
| //- set_pcie_dereset(); |
| break; |
| |
| //- case IMC_FIRMWARE_FAIL: |
| //- break; |
| |
| default: |
| break; |
| } |
| |
| printk(BIOS_DEBUG, "SB900 - Late.c - sb900_callout_entry - End.\n"); |
| return ret; |
| } |
| |
| |
| static struct pci_operations lops_pci = { |
| .set_subsystem = 0, |
| }; |
| |
| static void lpc_enable_resources(device_t dev) |
| { |
| |
| printk(BIOS_DEBUG, "SB900 - Late.c - lpc_enable_resources - Start.\n"); |
| pci_dev_enable_resources(dev); |
| //lpc_enable_childrens_resources(dev); |
| printk(BIOS_DEBUG, "SB900 - Late.c - lpc_enable_resources - End.\n"); |
| } |
| |
| static void lpc_init(device_t dev) |
| { |
| printk(BIOS_DEBUG, "SB900 - Late.c - lpc_init - Start.\n"); |
| /* SB Configure HPET base and enable bit */ |
| //- hpetInit(sb_config, &(sb_config->BuildParameters)); |
| 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, "SB900 - Late.c - lpc_init - End.\n"); |
| } |
| |
| unsigned long acpi_fill_mcfg(unsigned long current) |
| { |
| /* Just a dummy */ |
| return current; |
| } |
| |
| static struct device_operations lpc_ops = { |
| .read_resources = lpc_read_resources, |
| .set_resources = lpc_set_resources, |
| .enable_resources = lpc_enable_resources, |
| .init = lpc_init, |
| #if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) |
| .write_acpi_tables = acpi_write_hpet, |
| #endif |
| .scan_bus = scan_lpc_bus, |
| .ops_pci = &lops_pci, |
| }; |
| |
| static const struct pci_driver lpc_driver __pci_driver = { |
| .ops = &lpc_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_LPC, |
| }; |
| |
| |
| static void sata_enable_resources(struct device *dev) |
| { |
| printk(BIOS_DEBUG, "SB900 - Late.c - sata_enable_resources - Start.\n"); |
| //- sataInitAfterPciEnum(sb_config); |
| pci_dev_enable_resources(dev); |
| printk(BIOS_DEBUG, "SB900 - Late.c - sata_enable_resources - End.\n"); |
| } |
| |
| static void sata_init(struct device *dev) |
| { |
| printk(BIOS_DEBUG, "SB900 - Late.c - sata_init - Start.\n"); |
| sb_config->StdHeader.Func = SB_MID_POST_INIT; |
| //- AmdSbDispatcher(sb_config); //sataInitMidPost only |
| //- commonInitLateBoot(sb_config); |
| //- sataInitLatePost(sb_config); |
| printk(BIOS_DEBUG, "SB900 - Late.c - sata_init - End.\n"); |
| } |
| |
| static struct device_operations sata_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = sata_enable_resources, //pci_dev_enable_resources, |
| .init = sata_init, |
| .scan_bus = 0, |
| .ops_pci = &lops_pci, |
| }; |
| |
| static const struct pci_driver sata_driver __pci_driver = { |
| .ops = &sata_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| #if (CONFIG_SATA_CONTROLLER_MODE == 0x0 || CONFIG_SATA_CONTROLLER_MODE == 0x3) |
| .device = PCI_DEVICE_ID_ATI_SB900_SATA, //SATA IDE Mode |
| #endif |
| #if (CONFIG_SATA_CONTROLLER_MODE == 0x2 || CONFIG_SATA_CONTROLLER_MODE == 0x4) |
| .device = PCI_DEVICE_ID_ATI_SB900_SATA_AHCI, //SATA AHCI Mode |
| #endif |
| #if (CONFIG_SATA_CONTROLLER_MODE == 0x5 || CONFIG_SATA_CONTROLLER_MODE == 0x6) |
| .device = PCI_DEVICE_ID_ATI_SB900_SATA_AMDAHCI, //SATA AMDAHCI Mode |
| #endif |
| #if (CONFIG_SATA_CONTROLLER_MODE == 0x1 && INCHIP_SATA_FORCE_RAID5 == 0x0) |
| .device = PCI_DEVICE_ID_ATI_SB900_SATA_RAID5, //SATA RAID5 Mode |
| #endif |
| #if (CONFIG_SATA_CONTROLLER_MODE == 0x1 && INCHIP_SATA_FORCE_RAID5 == 0x1) |
| .device = PCI_DEVICE_ID_ATI_SB900_SATA_RAID, //SATA RAID Mode |
| #endif |
| }; |
| |
| static void usb_init(struct device *dev) |
| { |
| printk(BIOS_DEBUG, "SB900 - Late.c - usb_init - Start.\n"); |
| //- usbInitAfterPciInit(sb_config); |
| //- commonInitLateBoot(sb_config); |
| printk(BIOS_DEBUG, "SB900 - Late.c - usb_init - End.\n"); |
| } |
| |
| 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 = usb_init, |
| .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_xhci123_driver __pci_driver = { |
| .ops = &usb_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_USB_16_0, /* XHCI-USB1, XHCI-USB2 */ |
| }; |
| |
| static const struct pci_driver usb_ohci123_driver __pci_driver = { |
| .ops = &usb_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_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_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_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_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_USB_20_5, /* OHCI-USB4 */ |
| }; |
| |
| |
| static void azalia_init(struct device *dev) |
| { |
| printk(BIOS_DEBUG, "SB900 - Late.c - azalia_init - Start.\n"); |
| //- azaliaInitAfterPciEnum(sb_config); //Detect and configure High Definition Audio |
| printk(BIOS_DEBUG, "SB900 - Late.c - azalia_init - End.\n"); |
| } |
| |
| 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 = azalia_init, |
| .scan_bus = 0, |
| .ops_pci = &lops_pci, |
| }; |
| |
| static const struct pci_driver azalia_driver __pci_driver = { |
| .ops = &azalia_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_HDA, |
| }; |
| |
| |
| static void gec_init(struct device *dev) |
| { |
| printk(BIOS_DEBUG, "SB900 - Late.c - gec_init - Start.\n"); |
| //- gecInitAfterPciEnum(sb_config); |
| //- gecInitLatePost(sb_config); |
| printk(BIOS_DEBUG, "SB900 - Late.c - gec_init - End.\n"); |
| } |
| |
| 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 = gec_init, |
| .scan_bus = 0, |
| .ops_pci = &lops_pci, |
| }; |
| |
| static const struct pci_driver gec_driver __pci_driver = { |
| .ops = &gec_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_GEC, |
| }; |
| |
| |
| static void pcie_init(device_t dev) |
| { |
| printk(BIOS_DEBUG, "SB900 - Late.c - pcie_init - Start.\n"); |
| //- sbPcieGppLateInit(sb_config); |
| printk(BIOS_DEBUG, "SB900 - Late.c - pcie_init - End.\n"); |
| } |
| |
| static struct device_operations pci_ops = { |
| .read_resources = pci_bus_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_bus_enable_resources, |
| .init = pcie_init, |
| .scan_bus = pci_scan_bridge, |
| .reset_bus = pci_bus_reset, |
| .ops_pci = &lops_pci, |
| }; |
| |
| static const struct pci_driver pci_driver __pci_driver = { |
| .ops = &pci_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_PCI, |
| }; |
| |
| |
| struct device_operations bridge_ops = { |
| .read_resources = pci_bus_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_bus_enable_resources, |
| .init = pcie_init, |
| .scan_bus = pci_scan_bridge, |
| .enable = 0, |
| .reset_bus = pci_bus_reset, |
| .ops_pci = &lops_pci, |
| }; |
| |
| /* 0:15:0 PCIe PortA */ |
| static const struct pci_driver PORTA_driver __pci_driver = { |
| .ops = &bridge_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_PCIEA, |
| }; |
| |
| /* 0:15:1 PCIe PortB */ |
| static const struct pci_driver PORTB_driver __pci_driver = { |
| .ops = &bridge_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_PCIEB, |
| }; |
| |
| /* 0:15:2 PCIe PortC */ |
| static const struct pci_driver PORTC_driver __pci_driver = { |
| .ops = &bridge_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_PCIEC, |
| }; |
| |
| /* 0:15:3 PCIe PortD */ |
| static const struct pci_driver PORTD_driver __pci_driver = { |
| .ops = &bridge_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = PCI_DEVICE_ID_ATI_SB900_PCIED, |
| }; |
| |
| |
| /** |
| * @brief SB Cimx entry point sbBeforePciInit wrapper |
| */ |
| static void sb900_enable(device_t dev) |
| { |
| u8 gpp_port = 0; |
| struct southbridge_amd_cimx_sb900_config *sb_chip = |
| (struct southbridge_amd_cimx_sb900_config *)(dev->chip_info); |
| |
| sb900_cimx_config(sb_config); |
| printk(BIOS_DEBUG, "sb900_enable() "); |
| |
| /* Config SouthBridge SMBUS/ACPI/IDE/LPC/PCIB.*/ |
| //- commonInitEarlyBoot(sb_config); |
| //- commonInitEarlyPost(sb_config); |
| |
| switch (dev->path.pci.devfn) { |
| case (0x10 << 3) | 0: /* 0:10:0 XHCI-USB */ |
| //- usbInitBeforePciEnum(sb_config); // USB POST TIME Only |
| break; |
| |
| case (0x11 << 3) | 0: /* 0:11.0 SATA */ |
| if (dev->enabled) { |
| sb_config->SATAMODE.SataMode.SataController = 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 = DISABLED; |
| } |
| |
| //- sataInitBeforePciEnum(sb_config); // Init SATA class code and PHY |
| break; |
| |
| case (0x12 << 3) | 0: /* 0:12:0 OHCI-USB1 */ |
| case (0x12 << 3) | 2: /* 0:12:2 EHCI-USB1 */ |
| case (0x13 << 3) | 0: /* 0:13:0 OHCI-USB2 */ |
| case (0x13 << 3) | 2: /* 0:13:2 EHCI-USB2 */ |
| case (0x14 << 3) | 5: /* 0:14:5 OHCI-USB4 */ |
| //- usbInitBeforePciEnum(sb_config); // USB POST TIME Only |
| break; |
| |
| case (0x14 << 3) | 0: /* 0:14:0 SMBUS */ |
| break; |
| |
| case (0x14 << 3) | 1: /* 0:14:1 IDE */ |
| if (dev->enabled) { |
| sb_config->SATAMODE.SataMode.SataIdeCombinedMode = ENABLED; |
| } else { |
| sb_config->SATAMODE.SataMode.SataIdeCombinedMode = DISABLED; |
| } |
| //- sataInitBeforePciEnum(sb_config); // Init SATA class code and PHY |
| break; |
| |
| case (0x14 << 3) | 2: /* 0:14:2 HDA */ |
| if (dev->enabled) { |
| if (AZALIA_DISABLE == sb_config->AzaliaController) { |
| sb_config->AzaliaController = AZALIA_AUTO; |
| } |
| printk(BIOS_DEBUG, "hda enabled\n"); |
| } else { |
| sb_config->AzaliaController = AZALIA_DISABLE; |
| printk(BIOS_DEBUG, "hda disabled\n"); |
| } |
| //- azaliaInitBeforePciEnum(sb_config); // Detect and configure High Definition Audio |
| break; |
| |
| |
| case (0x14 << 3) | 3: /* 0:14:3 LPC */ |
| break; |
| |
| case (0x14 << 3) | 4: /* 0:14:4 PCI */ |
| break; |
| |
| case (0x14 << 3) | 6: /* 0:14:6 GEC */ |
| if (dev->enabled) { |
| sb_config->GecConfig = 0; |
| printk(BIOS_DEBUG, "gec enabled\n"); |
| } else { |
| sb_config->GecConfig = 1; |
| printk(BIOS_DEBUG, "gec disabled\n"); |
| } |
| //- gecInitBeforePciEnum(sb_config); // Init GEC |
| break; |
| |
| case (0x15 << 3) | 0: /* 0:15:0 PCIe PortA */ |
| case (0x15 << 3) | 1: /* 0:15:1 PCIe PortB */ |
| case (0x15 << 3) | 2: /* 0:15:2 PCIe PortC */ |
| case (0x15 << 3) | 3: /* 0:15:3 PCIe PortD */ |
| gpp_port = (dev->path.pci.devfn) & 0x03; |
| if (dev->enabled) { |
| sb_config->PORTCONFIG[gpp_port].PortCfg.PortPresent = ENABLED; |
| } else { |
| sb_config->PORTCONFIG[gpp_port].PortCfg.PortPresent = DISABLED; |
| } |
| |
| /* |
| * 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 |
| */ |
| if (sb_config->GppLinkConfig != sb_chip->gpp_configuration) { |
| sb_config->GppLinkConfig = sb_chip->gpp_configuration; |
| } |
| |
| //- sbPcieGppEarlyInit(sb_config); |
| break; |
| |
| default: |
| break; |
| } |
| |
| /* Special setting ABCFG registers before PCI emulation. */ |
| //- abSpecialSetBeforePciEnum(sb_config); |
| //- usbDesertPll(sb_config); |
| //sb_config->StdHeader.Func = SB_BEFORE_PCI_INIT; |
| //AmdSbDispatcher(sb_config); |
| } |
| |
| struct chip_operations southbridge_amd_cimx_sb900_ops = { |
| CHIP_NAME("ATI SB900") |
| .enable_dev = sb900_enable, |
| }; |