/* * This file is part of the coreboot project. * * Copyright (C) 2012 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc. */ #include /* device_t */ #include /* device_operations */ #include #include #include /* smbus_bus_operations */ #include #include #include #include /* printk */ #include #include #include "lpc.h" /* lpc_read_resources */ #include "Platform.h" /* Platform Specific Definitions */ #include "sb_cimx.h" #include "sb700_cfg.h" /* sb700 Cimx configuration */ #include "chip.h" /* struct southbridge_amd_cimx_sb700_config */ /*implement in mainboard.c*/ void set_pcie_reset(void); void set_pcie_dereset(void); static AMDSBCFG sb_late_cfg; //global, init in sb700_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 sb700_callout_entry(u32 func, u32 data, void* config) { u32 ret = 0; printk(BIOS_DEBUG, "SB700 - Late.c - sb700_callout_entry - Start.\n"); printk(BIOS_DEBUG, "SB700 - Late.c - sb700_callout_entry - End.\n"); return ret; } static struct pci_operations lops_pci = { .set_subsystem = pci_dev_set_subsystem, }; static void lpc_enable_resources(device_t dev) { printk(BIOS_SPEW, "SB700 - Late.c - %s - Start.\n", __func__); pci_dev_enable_resources(dev); lpc_enable_childrens_resources(dev); printk(BIOS_SPEW, "SB700 - Late.c - %s - End.\n", __func__); } static void lpc_init(device_t dev) { printk(BIOS_DEBUG, "SB700 - 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, "SB700 - 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, #if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) .write_acpi_tables = acpi_write_hpet, #endif .init = lpc_init, .scan_bus = scan_static_bus, .ops_pci = &lops_pci, }; static const struct pci_driver lpc_driver __pci_driver = { .ops = &lpc_ops, .vendor = PCI_VENDOR_ID_ATI, .device = PCI_DEVICE_ID_ATI_SB700_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 = 0, .scan_bus = 0, .ops_pci = &lops_pci, }; static const struct pci_driver sata_driver __pci_driver = { .ops = &sata_ops, .vendor = PCI_VENDOR_ID_ATI, .device = PCI_DEVICE_ID_ATI_SB700_SATA, //SATA IDE Mode 4390 }; 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_SB700_USB_18_0, /* OHCI-USB1, OHCI-USB2, OHCI-USB3 */ }; static const struct pci_driver usb_ohci3_driver __pci_driver = { .ops = &usb_ops, .vendor = PCI_VENDOR_ID_ATI, .device = PCI_DEVICE_ID_ATI_SB700_USB_18_1, }; static const struct pci_driver usb_ehci123_driver __pci_driver = { .ops = &usb_ops, .vendor = PCI_VENDOR_ID_ATI, .device = PCI_DEVICE_ID_ATI_SB700_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_SB700_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_SB700_HDA, }; 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 = 0, .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_ATI, .device = PCI_DEVICE_ID_ATI_SB700_PCI, }; static void sb700_enable(device_t dev) { struct southbridge_amd_cimx_sb700_config *sb_chip = (struct southbridge_amd_cimx_sb700_config *)(dev->chip_info); printk(BIOS_DEBUG, "sb700_enable() "); switch (dev->path.pci.devfn) { case (0x11 << 3) | 0: /* 0:11.0 SATA */ sb700_cimx_config(sb_config); if (dev->enabled) { sb_config->SataController = CIMX_OPTION_ENABLED; if (1 == sb_chip->boot_switch_sata_ide) sb_config->SataIdeCombMdPriSecOpt = 0; //0 -IDE as primary. else if (0 == sb_chip->boot_switch_sata_ide) sb_config->SataIdeCombMdPriSecOpt = 1; //1 -IDE as secondary. } else { sb_config->SataController = CIMX_OPTION_DISABLED; } 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 */ break; case (0x14 << 3) | 0: /* 0:14:0 SMBUS */ { u32 ioapic_base; printk(BIOS_DEBUG, "sm_init().\n"); ioapic_base = IO_APIC_ADDR; clear_ioapic((void *)ioapic_base); /* I/O APIC IDs are normally limited to 4-bits. Enforce this limit. */ if (CONFIG_MAX_CPUS >= 16) setup_ioapic((void *)ioapic_base, 0); else setup_ioapic((void *)ioapic_base, CONFIG_MAX_CPUS + 1); } break; case (0x14 << 3) | 1: /* 0:14:1 IDE */ 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"); } break; case (0x14 << 3) | 3: /* 0:14:3 LPC */ break; case (0x14 << 3) | 4: /* 0:14:4 PCI */ break; case (0x14 << 3) | 5: /* 0:14:5 OHCI-USB4 */ /* call CIMX entry after last device enable */ sb_Before_Pci_Init(); break; default: break; } } struct chip_operations southbridge_amd_cimx_sb700_ops = { CHIP_NAME("ATI SB700") .enable_dev = sb700_enable, }; /** * @brief SB Cimx entry point sbBeforePciInit wrapper */ void sb_Before_Pci_Init(void) { printk(BIOS_SPEW, "sb700 %s Start\n", __func__); /* TODO: The sb700 cimx dispatcher not work yet, calling cimx API directly */ //sb_config->StdHeader.Func = SB_BEFORE_PCI_INIT; //AmdSbDispatcher(sb_config); sbBeforePciInit(sb_config); printk(BIOS_SPEW, "sb700 %s End\n", __func__); } void sb_After_Pci_Init(void) { printk(BIOS_SPEW, "sb700 %s Start\n", __func__); /* TODO: The sb700 cimx dispatcher not work yet, calling cimx API directly */ //sb_config->StdHeader.Func = SB_AFTER_PCI_INIT; //AmdSbDispatcher(sb_config); sbAfterPciInit(sb_config); printk(BIOS_SPEW, "sb700 %s End\n", __func__); } void sb_Late_Post(void) { printk(BIOS_SPEW, "sb700 %s Start\n", __func__); /* TODO: The sb700 cimx dispatcher not work yet, calling cimx API directly */ //sb_config->StdHeader.Func = SB_LATE_POST_INIT; //AmdSbDispatcher(sb_config); sbLatePost(sb_config); printk(BIOS_SPEW, "sb700 %s End\n", __func__); }