/** * Fill build time defaults. */ static void sb800_init(void *chip_info) { sb_config->StdHeader.CALLBACK.CalloutPtr = sb800_callout_entry; sb800_cimx_config(sb_config); abcfg_reg(0xc0, 0x01FF, 0x0F4); }
/** * @brief SB Cimx entry point sbBeforePciInit wrapper */ static void sb800_enable(device_t dev) { struct southbridge_amd_cimx_sb800_config *sb_chip = (struct southbridge_amd_cimx_sb800_config *)(dev->chip_info); printk(BIOS_DEBUG, "sb800_enable() "); switch (dev->path.pci.devfn) { case (0x11 << 3) | 0: /* 0:11.0 SATA */ /* the first sb800 device */ switch (GPP_CFGMODE) { /* config the GPP PCIe ports */ case GPP_CFGMODE_X2200: abcfg_reg(0xc0, 0x01FF, 0x032); /* x2 Port_0, x2 Port_1 */ break; case GPP_CFGMODE_X2110: abcfg_reg(0xc0, 0x01FF, 0x073); /* x2 Port_0, x1 Port_1&2 */ break; case GPP_CFGMODE_X1111: abcfg_reg(0xc0, 0x01FF, 0x0F4); /* x1 Port_0&1&2&3 */ break; case GPP_CFGMODE_X4000: default: abcfg_reg(0xc0, 0x01FF, 0x010); /* x4 Port_0 */ break; } sb800_cimx_config(sb_config); 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 (0x14 << 3) | 0: /* 0:14:0 SMBUS */ printk(BIOS_INFO, "sm_init().\n"); clear_ioapic(IO_APIC_ADDR); #if CONFIG_CPU_AMD_AGESA /* Assign the ioapic ID the next available number after the processor core local APIC IDs */ setup_ioapic(IO_APIC_ADDR, 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(IO_APIC_ADDR, 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(IO_APIC_ADDR, 0); #else #error "The processor APIC IDs must be lifted to make room for the I/O APIC ID" #endif #endif 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 */ /* Initialize the fans */ #if CONFIG_SB800_IMC_FAN_CONTROL init_sb800_IMC_fans(dev); #elif CONFIG_SB800_MANUAL_FAN_CONTROL init_sb800_MANUAL_fans(dev); #endif 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"); } break; case (0x15 << 3) | 0: /* 0:15:0 PCIe PortA */ { device_t device; for (device = dev; device; device = device->next) { if (dev->path.type != DEVICE_PATH_PCI) continue; if ((device->path.pci.devfn & ~7) != 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 (0x12 << 3) | 0: /* 0:12:0 OHCI-USB1 */ sb_config->USBMODE.UsbMode.Ohci1 = dev->enabled; break; case (0x12 << 3) | 2: /* 0:12:2 EHCI-USB1 */ sb_config->USBMODE.UsbMode.Ehci1 = dev->enabled; break; case (0x13 << 3) | 0: /* 0:13:0 OHCI-USB2 */ sb_config->USBMODE.UsbMode.Ohci2 = dev->enabled; break; case (0x13 << 3) | 2: /* 0:13:2 EHCI-USB2 */ sb_config->USBMODE.UsbMode.Ehci2 = dev->enabled; break; case (0x14 << 3) | 5: /* 0:14:5 OHCI-USB4 */ sb_config->USBMODE.UsbMode.Ohci4 = dev->enabled; break; case (0x16 << 3) | 0: /* 0:16:0 OHCI-USB3 */ sb_config->USBMODE.UsbMode.Ohci3 = dev->enabled; break; case (0x16 << 3) | 2: /* 0:16:2 EHCI-USB3 */ sb_config->USBMODE.UsbMode.Ehci3 = dev->enabled; /* 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; } }
static void sm_init(device_t dev) { u8 byte; u32 ioapic_base; printk(BIOS_INFO, "sm_init().\n"); ioapic_base = 0xFEC00000;//pci_read_config32(dev, 0x74) & (0xffffffe0); /* some like mem resource, but does not have enable bit */ /* Don't rename APIC ID */ /* TODO: We should call setup_ioapic() here. But kernel hangs if cpu is K8. * We need to check out why and change back. */ clear_ioapic(ioapic_base); //setup_ioapic(ioapic_base, 0); /* enable serial irq */ byte = pm_ioread(0x54); byte |= 1 << 7; /* enable serial irq function */ byte &= ~(0xF << 2); byte |= 4 << 2; /* set NumSerIrqBits=4 */ pm_iowrite(0x54, byte); pm_iowrite(0x00, 0x0E); pm_iowrite(0x0B, 0x02); /* 2.11 IO Trap Settings */ abcfg_reg(0x10090, 1 << 16, 1 << 16); /* 4.1 ab index */ //pci_write_config32(dev, 0xF0, AB_INDX); pm_iowrite(0xE0, AB_INDX & 0xFF); pm_iowrite(0xE1, (AB_INDX >> 8) & 0xFF); pm_iowrite(0xE2, (AB_INDX >> 16) & 0xFF); pm_iowrite(0xE3, (AB_INDX >> 24) & 0xFF); /* Initialize the real time clock */ rtc_init(0); byte = pm_ioread(0x8); byte |= 1 << 2 | 1 << 4; pm_iowrite(0x08, byte); byte = pm_ioread(0x9); byte |= 1 << 0; pm_iowrite(0x09, byte); abcfg_reg(0x10060, (BIT31), BIT31); abcfg_reg(0x1009C, (BIT4 + BIT5), BIT4 + BIT5); abcfg_reg(0x9C, (BIT2 + BIT3 + BIT4 + BIT5 + BIT6 + BIT7), BIT2 + BIT3 + BIT4 + BIT5 + BIT6 + BIT7); abcfg_reg(0x90, (BIT21 + BIT22 + BIT23), BIT21 + BIT22 + BIT23); abcfg_reg(0xF0, (BIT6 + BIT5), BIT6 + BIT5); abcfg_reg(0x10090, (BIT9 + BIT10 + BIT11 + BIT12), BIT9 + BIT10 + BIT11 + BIT12); abcfg_reg(0x58, (BIT10), BIT10); abcfg_reg(0xF0, (BIT3 + BIT4), BIT3 + BIT4); abcfg_reg(0x54, (BIT1), BIT1); // axindxc_reg(0x02, BIT9, BIT9); axindxc_reg(0x10, BIT9, BIT9); /* 4.2 Enabling Upstream DMA Access */ axcfg_reg(0x04, 1 << 2, 1 << 2); /* 4.3 Enabling PCIB Prefetch Settings */ abcfg_reg(0x10060, 1 << 20, 1 << 20); abcfg_reg(0x10064, 1 << 20, 1 << 20); /* 4.4 Enabling OHCI Prefetch for Performance Enhancement, A12 */ abcfg_reg(0x80, 1 << 0, 1<< 0); /* 4.5 B-Link Client's Credit Variable Settings for the Downstream Arbitration Equation */ /* 4.6 Enabling Additional Address Bits Checking in Downstream */ abcfg_reg(0x9c, 1 << 0, 1 << 0); //abcfg_reg(0x9c, 3 << 0, 3 << 0); //A11 /* 4.7 Set B-Link Prefetch Mode */ abcfg_reg(0x80, 3 << 17, 3 << 17); // RPR Enabled SMI ordering enhancement. ABCFG 0x90[21] // RPR USB Delay A-Link Express L1 State. ABCFG 0x90[17] abcfg_reg(0x90, 1 << 17 | 1 << 21, 1 << 17 | 1 << 21); /* 4.8 Enabling Detection of Upstream Interrupts */ abcfg_reg(0x94, 1 << 20 | 0x7FFFF, 1 << 20 | 0x00FEE); /* 4.9: Enabling Downstream Posted Transactions to Pass Non-Posted * Transactions for the K8 Platform (for All Revisions) */ abcfg_reg(0x10090, 1 << 8, 1 << 8); /* 4.10:Programming Cycle Delay for AB and BIF Clock Gating */ /* 4.11:Enabling AB Int_Arbiter Enhancement (for All Revisions) */ abcfg_reg(0x10054, 0xFFFF0000, 0x01040000); abcfg_reg(0x54, 0xFF << 16, 4 << 16); abcfg_reg(0x54, 1 << 24, 0 << 24); abcfg_reg(0x54, 1 << 26, 1 << 26); abcfg_reg(0x98, 0xFFFFFF00, 0x00004700); /* 4.12: Enabling AB and BIF Clock Gating */ abcfg_reg(0x10054, 0x0000FFFF, 0x07FF); /* 4.13:Enabling Requester ID for upstream traffic. */ abcfg_reg(0x98, 3 << 16, 3 << 16); abcfg_reg(0x50, 1 << 2, 0 << 2); /* 5.2 Enabling GPP Port A/B/C/D */ //abcfg_reg(0xC0, 0xF << 4, 0xF << 4); /* Enable SCI as irq9. */ outb(0x10, 0xC00); outb(0x9, 0xC01); /* Enabled IRQ input */ outb(0x9, 0xC00); outb(0xF7, 0xC01); abcfg_reg(0x90, 0xFFFFFFFF, 0x00F80040); abcfg_reg(0xA0, 0xFFFFFFFF, 0x00000000); abcfg_reg(0xA4, 0xFFFFFFFF, 0x00000000); abcfg_reg(0xC0, 0xFFFFFFFF, 0x0000F014); abcfg_reg(0x98, 0xFFFFFFFF, 0X01034700); }
/* * SB600 enables all USB controllers by default in SMBUS Control. * SB600 enables SATA by default in SMBUS Control. */ static void sm_init(device_t dev) { u8 byte; u8 byte_old; u32 dword; u32 ioapic_base; u32 on; u32 nmi_option; printk(BIOS_INFO, "sm_init().\n"); ioapic_base = pci_read_config32(dev, 0x74) & (0xffffffe0); /* some like mem resource, but does not have enable bit */ /* Don't rename APIC ID */ clear_ioapic(ioapic_base); dword = pci_read_config8(dev, 0x62); dword |= 1 << 2; pci_write_config8(dev, 0x62, dword); dword = pci_read_config32(dev, 0x78); dword |= 1 << 9; pci_write_config32(dev, 0x78, dword); /* enable 0xCD6 0xCD7 */ /* bit 10: MultiMediaTimerIrqEn */ dword = pci_read_config8(dev, 0x64); dword |= 1 << 10; pci_write_config8(dev, 0x64, dword); /* enable serial irq */ byte = pci_read_config8(dev, 0x69); byte |= 1 << 7; /* enable serial irq function */ byte &= ~(0xF << 2); byte |= 4 << 2; /* set NumSerIrqBits=4 */ pci_write_config8(dev, 0x69, byte); byte = pm_ioread(0x61); byte |= 1 << 1; /* Set to enable NB/SB handshake during IOAPIC interrupt for AMD K8/K7 */ pm_iowrite(0x61, byte); /* disable SMI */ byte = pm_ioread(0x53); byte |= 1 << 3; pm_iowrite(0x53, byte); /* power after power fail */ on = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL; get_option(&on, "power_on_after_fail"); byte = pm_ioread(0x74); byte &= ~0x03; if (on) { byte |= 1 << 0; } byte |= 1 << 2; pm_iowrite(0x74, byte); printk(BIOS_INFO, "set power %s after power fail\n", on ? "on" : "off"); /* sb600 rpr:2.3.3: */ byte = pm_ioread(0x9A); byte |= 1 << 5 | 1 << 4 | 1 << 2; pm_iowrite(0x9A, byte); byte = pm_ioread(0x8F); byte |= 1 << 5; byte &= ~(1 << 4); pm_iowrite(0x8F, byte); pm_iowrite(0x8B, 0x01); pm_iowrite(0x8A, 0x90); pm_iowrite(0x88, 0x10); /* A21 */ byte = pm_ioread(0x7C); byte |= 1 << 0; pm_iowrite(0x7C, byte); byte = pm_ioread(0x68); byte &= ~(1 << 1); /* 2.6 */ byte |= 1 << 2; pm_iowrite(0x68, byte); /* 2.6 */ byte = pm_ioread(0x65); byte &= ~(1 << 7); pm_iowrite(0x65, byte); /* 2.3.4 */ byte = pm_ioread(0x52); byte &= ~0x2F; byte |= 0x8; pm_iowrite(0x52, byte); byte = pm_ioread(0x8D); byte &= ~(1 << 6); pm_iowrite(0x8D, byte); byte = pm_ioread(0x61); byte &= ~(1 << 2); pm_iowrite(0x61, byte); byte = pm_ioread(0x42); byte &= ~(1 << 2); pm_iowrite(0x42, byte); /* Set up NMI on errors */ byte = inb(0x70); /* RTC70 */ byte_old = byte; nmi_option = NMI_OFF; get_option(&nmi_option, "nmi"); if (nmi_option) { byte &= ~(1 << 7); /* set NMI */ printk(BIOS_INFO, "++++++++++set NMI+++++\n"); } else { byte |= (1 << 7); /* Can not mask NMI from PCI-E and NMI_NOW */ printk(BIOS_INFO, "++++++++++no set NMI+++++\n"); } byte &= ~(1 << 7); if (byte != byte_old) { outb(byte, 0x70); } /* 2.10 IO Trap Settings */ abcfg_reg(0x10090, 1 << 16, 1 << 16); /* ab index */ pci_write_config32(dev, 0xF0, AB_INDX); /* Initialize the real time clock */ rtc_init(0); /*3.4 Enabling IDE/PCIB Prefetch for Performance Enhancement */ abcfg_reg(0x10060, 9 << 17, 9 << 17); abcfg_reg(0x10064, 9 << 17, 9 << 17); /* 3.5 Enabling OHCI Prefetch for Performance Enhancement */ abcfg_reg(0x80, 1 << 0, 1<< 0); /* 3.6 B-Link Client's Credit Variable Settings for the Downstream Arbitration Equation */ /* 3.7 Enabling Additional Address Bits Checking in Downstream */ abcfg_reg(0x9c, 3 << 0, 3 << 0); /* 3.8 Set B-Link Prefetch Mode */ abcfg_reg(0x80, 3 << 17, 3 << 17); /* 3.9 Enabling Detection of Upstream Interrupts */ abcfg_reg(0x94, 1 << 20,1 << 20); /* 3.10: Enabling Downstream Posted Transactions to Pass Non-Posted * Transactions for the K8 Platform (for All Revisions) */ abcfg_reg(0x10090, 1 << 8, 1 << 8); /* 3.11:Programming Cycle Delay for AB and BIF Clock Gating */ /* 3.12: Enabling AB and BIF Clock Gating */ abcfg_reg(0x10054, 0xFFFF0000, 0x1040000); abcfg_reg(0x54, 0xFF << 16, 4 << 16); printk(BIOS_INFO, "3.11, ABCFG:0x54\n"); abcfg_reg(0x54, 1 << 24, 1 << 24); printk(BIOS_INFO, "3.12, ABCFG:0x54\n"); abcfg_reg(0x98, 0x0000FF00, 0x00004700); /* 3.13:Enabling AB Int_Arbiter Enhancement (for All Revisions) */ abcfg_reg(0x10054, 0x0000FFFF, 0x07FF); /* 3.14:Enabling L1 on A-link Express */ axcfg_reg(0x68, 0x00000003, 0x2); axindxp_reg(0xa0, 0x0000F000, 0x6000); abcfg_reg(0x10098, 0xFFFFFFFF, 0x4000); abcfg_reg(0x04, 0xFFFFFFFF, 0x6); printk(BIOS_INFO, "sm_init() end\n"); /* Enable NbSb virtual channel */ axcfg_reg(0x114, 0x3f << 1, 0 << 1); axcfg_reg(0x120, 0x7f << 1, 0x7f << 1); axcfg_reg(0x120, 7 << 24, 1 << 24); axcfg_reg(0x120, 1 << 31, 1 << 31); abcfg_reg(0x50, 1 << 3, 1 << 3); }
/* * SB700 enables all USB controllers by default in SMBUS Control. * SB700 enables SATA by default in SMBUS Control. */ static void sm_init(device_t dev) { u8 byte; u8 byte_old; u8 rev; u32 dword; void *ioapic_base; uint32_t power_state; uint32_t enable_legacy_usb; u32 nmi_option; printk(BIOS_INFO, "sm_init().\n"); rev = get_sb700_revision(dev); /* This works in a similar fashion to a memory resource, but without an enable bit */ ioapic_base = (void *)(pci_read_config32(dev, 0x74) & (0xffffffe0)); setup_ioapic(ioapic_base, 0); /* Don't rename IOAPIC ID. */ enable_legacy_usb = 1; get_option(&enable_legacy_usb, "enable_legacy_usb"); /* 2.10 Interrupt Routing/Filtering */ byte = pci_read_config8(dev, 0x62); if (enable_legacy_usb) byte |= 0x3; else byte &= ~0x3; pci_write_config8(dev, 0x62, byte); byte = pci_read_config8(dev, 0x67); if (enable_legacy_usb) byte |= 0x1 << 7; else byte &= ~(0x1 << 7); pci_write_config8(dev, 0x67, byte); /* Delay back to back interrupts to the CPU. */ dword = pci_read_config16(dev, 0x64); dword |= 1 << 13; pci_write_config16(dev, 0x64, dword); /* rrg:K8 INTR Enable (BIOS should set this bit after PIC initialization) */ /* rpr 2.1 Enabling Legacy Interrupt */ dword = pci_read_config8(dev, 0x62); dword |= 1 << 2; pci_write_config8(dev, 0x62, dword); dword = pci_read_config32(dev, 0x78); dword |= 1 << 9; pci_write_config32(dev, 0x78, dword); /* enable 0xCD6 0xCD7 */ /* bit 10: MultiMediaTimerIrqEn */ dword = pci_read_config8(dev, 0x64); dword |= 1 << 10; pci_write_config8(dev, 0x64, dword); /* enable serial irq */ byte = pci_read_config8(dev, 0x69); byte |= 1 << 7; /* enable serial irq function */ byte &= ~(0xF << 2); byte |= 4 << 2; /* set NumSerIrqBits=4 */ pci_write_config8(dev, 0x69, byte); /* Sx State Settings * Note: These 2 registers need to be set correctly for the S-state * to work properly. Otherwise the system may hang during resume * from the S-state. */ /*Use 8us clock for delays in the S-state resume timing sequence.*/ byte = pm_ioread(0x65); byte &= ~(1 << 7); pm_iowrite(0x65, byte); /* Delay the APIC interrupt to the CPU until the system has fully resumed from the S-state. */ byte = pm_ioread(0x68); byte |= 1 << 2; pm_iowrite(0x68, byte); /* IRQ0From8254 */ byte = pci_read_config8(dev, 0x41); byte &= ~(1 << 7); pci_write_config8(dev, 0x41, byte); byte = pm_ioread(0x61); if (IS_ENABLED(CONFIG_CPU_AMD_MODEL_10XXX)) byte &= ~(1 << 1); /* Clear for non-K8 CPUs */ else byte |= 1 << 1; /* Set to enable NB/SB handshake during IOAPIC interrupt for AMD K8/K7 */ pm_iowrite(0x61, byte); /* disable SMI */ byte = pm_ioread(0x53); byte |= 1 << 3; pm_iowrite(0x53, byte); /* power after power fail */ power_state = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL; get_option(&power_state, "power_on_after_fail"); if (power_state > 2) { printk(BIOS_WARNING, "Invalid power_on_after_fail setting, using default\n"); power_state = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL; } byte = pm_ioread(0x74); byte &= ~0x03; if (power_state == POWER_MODE_OFF) byte |= 0x0; else if (power_state == POWER_MODE_ON) byte |= 0x1; else if (power_state == POWER_MODE_LAST) byte |= 0x2; byte |= 1 << 2; pm_iowrite(0x74, byte); printk(BIOS_INFO, "set power \"%s\" after power fail\n", power_mode_names[power_state]); byte = pm_ioread(0x68); byte &= ~(1 << 1); /* 2.7 */ byte |= 1 << 2; pm_iowrite(0x68, byte); /* 2.7 */ byte = pm_ioread(0x65); byte &= ~(1 << 7); pm_iowrite(0x65, byte); /* 2.16 */ byte = pm_ioread(0x55); byte |= 1 << 5; pm_iowrite(0x55, byte); byte = pm_ioread(0xD7); byte |= 1 << 6 | 1 << 1; pm_iowrite(0xD7, byte); /* 2.15 */ byte = pm_ioread(0x42); byte &= ~(1 << 2); pm_iowrite(0x42, byte); /* Set up NMI on errors */ byte = inb(0x70); /* RTC70 */ byte_old = byte; nmi_option = NMI_OFF; get_option(&nmi_option, "nmi"); if (nmi_option) { byte &= ~(1 << 7); /* set NMI */ printk(BIOS_INFO, "++++++++++set NMI+++++\n"); } else { byte |= (1 << 7); /* Can not mask NMI from PCI-E and NMI_NOW */ printk(BIOS_INFO, "++++++++++no set NMI+++++\n"); } byte &= ~(1 << 7); if (byte != byte_old) { outb(byte, 0x70); } /*rpr v2.13 2.22 SMBUS PCI Config */ byte = pci_read_config8(dev, 0xE1); if ((REV_SB700_A11 == rev) || REV_SB700_A12 == rev) { byte |= 1 << 0; } /*Set bit2 to 1, enable Io port 60h read/write SMi trapping and *Io port 64h write Smi trapping. conflict with ps2 keyboard */ //byte |= 1 << 2 | 1 << 3 | 1 << 4; byte |= 1 << 3 | 1 << 4; pci_write_config8(dev, 0xE1, byte); /* 2.5 Enabling Non-Posted Memory Write */ axindxc_reg(0x10, 1 << 9, 1 << 9); /* 2.11 IO Trap Settings */ abcfg_reg(0x10090, 1 << 16, 1 << 16); /* ab index */ pci_write_config32(dev, 0xF0, AB_INDX); /* Initialize the real time clock */ cmos_init(0); /* 4.3 Enabling Upstream DMA Access */ axcfg_reg(0x04, 1 << 2, 1 << 2); /* 4.4 Enabling IDE/PCIB Prefetch for Performance Enhancement */ abcfg_reg(0x10060, 9 << 17, 9 << 17); abcfg_reg(0x10064, 9 << 17, 9 << 17); /* 4.5 Enabling OHCI Prefetch for Performance Enhancement, A12 */ abcfg_reg(0x80, 1 << 0, 1<< 0); /* 4.6 B-Link Client's Credit Variable Settings for the Downstream Arbitration Equation */ /* 4.7 Enabling Additional Address Bits Checking in Downstream */ /* 4.16 IO write and SMI ordering enhancement*/ abcfg_reg(0x9c, 3 << 0, 3 << 0); if (REV_SB700_A12 == rev) { abcfg_reg(0x9c, 1 << 8, 1 << 8); } else if (rev >= REV_SB700_A14) { abcfg_reg(0x9c, 1 << 8, 0 << 8); } if (REV_SB700_A15 == rev) { abcfg_reg(0x90, 1 << 21, 1 << 21); abcfg_reg(0x9c, 1 << 5 | 1 << 9 | 1 << 15, 1 << 5 | 1 << 9 | 1 << 15); } /* 4.8 Set B-Link Prefetch Mode */ abcfg_reg(0x80, 3 << 17, 3 << 17); /* 4.9 Enabling Detection of Upstream Interrupts */ abcfg_reg(0x94, 1 << 20 | 0x7FFFF, 1 << 20 | 0x00FEE); /* 4.10: Enabling Downstream Posted Transactions to Pass Non-Posted * Transactions for the K8 Platform (for All Revisions) */ abcfg_reg(0x10090, 1 << 8, 1 << 8); /* Set ACPI Software clock Throttling Period to 244 us*/ byte = pm_ioread(0x68); byte &= ~(3 << 6); byte |= (2 << 6); /* 244us */ pm_iowrite(0x68, byte); if (REV_SB700_A15 == rev) { u16 word; /* rpr v2.13 4.18 Enabling Posted Pass Non-Posted Downstream */ axindxc_reg(0x02, 1 << 9, 1 << 9); abcfg_reg(0x9C, 0x00007CC0, 0x00007CC0); abcfg_reg(0x1009C, 0x00000030, 0x00000030); abcfg_reg(0x10090, 0x00001E00, 0x00001E00); /* rpr v2.13 4.19 Enabling Posted Pass Non-Posted Upstream */ abcfg_reg(0x58, 0x0000F800, 0x0000E800); /* rpr v2.13 4.20 64 bit Non-Posted Memory Write Support */ axindxc_reg(0x02, 1 << 10, 1 << 10); /* rpr v2.13 2.38 Unconditional Shutdown */ byte = pci_read_config8(dev, 0x43); byte &= ~(1 << 3); pci_write_config8(dev, 0x43, byte); word = pci_read_config16(dev, 0x38); word |= 1 << 12; pci_write_config16(dev, 0x38, word); byte |= 1 << 3; pci_write_config8(dev, 0x43, byte); /* Enable southbridge MMIO decode */ dword = pci_read_config32(dev, SB_MMIO_CFG_REG); dword &= ~(0xffffff << 8); dword |= SB_MMIO_BASE_ADDRESS; dword |= 0x1; pci_write_config32(dev, SB_MMIO_CFG_REG, dword); } byte = pci_read_config8(dev, 0xAE); if (IS_ENABLED(CONFIG_ENABLE_APIC_EXT_ID)) byte |= 1 << 4; byte |= 1 << 5; /* ACPI_DISABLE_TIMER_IRQ_ENHANCEMENT_FOR_8254_TIMER */ byte |= 1 << 6; /* Enable arbiter between APIC and PIC interrupts */ pci_write_config8(dev, 0xAE, byte); /* 4.11:Programming Cycle Delay for AB and BIF Clock Gating */ /* 4.12: Enabling AB and BIF Clock Gating */ abcfg_reg(0x10054, 0xFFFF0000, 0x1040000); abcfg_reg(0x54, 0xFF << 16, 4 << 16); abcfg_reg(0x54, 1 << 24, 0 << 24); abcfg_reg(0x98, 0x0000FF00, 0x00004700); /* 4.13:Enabling AB Int_Arbiter Enhancement (for All Revisions) */ abcfg_reg(0x10054, 0x0000FFFF, 0x07FF); /* 4.14:Enabling Requester ID for upstream traffic. */ abcfg_reg(0x98, 1 << 16, 1 << 16); /* 9.2: Enabling IDE Data Bus DD7 Pull Down Resistor */ byte = pm2_ioread(0xE5); byte |= 1 << 2; pm2_iowrite(0xE5, byte); /* Enable IDE controller. */ byte = pm_ioread(0x59); byte &= ~(1 << 1); pm_iowrite(0x59, byte); /* Enable SCI as irq9. */ outb(0x4, 0xC00); outb(0x9, 0xC01); printk(BIOS_INFO, "sm_init() end\n"); /* Enable NbSb virtual channel */ axcfg_reg(0x114, 0x3f << 1, 0 << 1); axcfg_reg(0x120, 0x7f << 1, 0x7f << 1); axcfg_reg(0x120, 7 << 24, 1 << 24); axcfg_reg(0x120, 1 << 31, 1 << 31); abcfg_reg(0x50, 1 << 3, 1 << 3); }