| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2010 Advanced Micro Devices, Inc. |
| * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering |
| * |
| * 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 <string.h> |
| #include <arch/acpi.h> |
| #include <arch/ioapic.h> |
| #include <device/pci.h> |
| #include <device/pci_ops.h> |
| #include <cpu/amd/amdfam10_sysconf.h> |
| |
| unsigned long acpi_fill_madt(unsigned long current) |
| { |
| struct device *dev; |
| u32 dword; |
| u32 gsi_base = 0; |
| uint32_t apicid_sp5100; |
| uint32_t apicid_sr5650; |
| /* create all subtables for processors */ |
| current = acpi_create_madt_lapics(current); |
| |
| if (IS_ENABLED(CONFIG_ENABLE_APIC_EXT_ID) && (CONFIG_APIC_ID_OFFSET > 0)) |
| apicid_sp5100 = 0x0; |
| else |
| apicid_sp5100 = 0x20; |
| apicid_sr5650 = apicid_sp5100 + 1; |
| |
| /* Write SB700 IOAPIC, only one */ |
| current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, apicid_sp5100, |
| IO_APIC_ADDR, gsi_base); |
| /* IOAPIC on rs5690 */ |
| gsi_base += 24; /* SB700 has 24 IOAPIC entries. */ |
| dev = pcidev_on_root(0, 0); |
| if (dev) { |
| pci_write_config32(dev, 0xF8, 0x1); |
| dword = pci_read_config32(dev, 0xFC) & 0xfffffff0; |
| current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, apicid_sr5650, |
| dword, gsi_base); |
| } |
| |
| /* bus, source, gsirq, flags */ |
| current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) |
| current, 0, 0, 2, 0); |
| current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) |
| current, 0, 9, 9, 0xf); |
| |
| /* create all subtables for processors */ |
| current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)current, 0xff, 0, 1); |
| /* 1: LINT1 connect to NMI */ |
| |
| return current; |
| } |
| |
| unsigned long acpi_fill_ivrs_ioapic(acpi_ivrs_t *ivrs, unsigned long current) |
| { |
| uint8_t *p; |
| |
| uint32_t apicid_sp5100; |
| uint32_t apicid_sr5650; |
| |
| if (IS_ENABLED(CONFIG_ENABLE_APIC_EXT_ID) && (CONFIG_APIC_ID_OFFSET > 0)) |
| apicid_sp5100 = 0x0; |
| else |
| apicid_sp5100 = 0x20; |
| apicid_sr5650 = apicid_sp5100 + 1; |
| |
| /* Describe NB IOAPIC */ |
| p = (uint8_t *)current; |
| p[0] = 0x48; /* Entry type */ |
| p[1] = 0; /* Device */ |
| p[2] = 0; /* Bus */ |
| p[3] = 0x0; /* Data */ |
| p[4] = apicid_sr5650; /* IOAPIC ID */ |
| p[5] = 0x1; /* Device 0 Function 1 */ |
| p[6] = 0x0; /* Northbridge bus */ |
| p[7] = 0x1; /* Variety */ |
| current += 8; |
| |
| /* Describe SB IOAPIC */ |
| p = (uint8_t *)current; |
| p[0] = 0x48; /* Entry type */ |
| p[1] = 0; /* Device */ |
| p[2] = 0; /* Bus */ |
| p[3] = 0xd7; /* Data */ |
| p[4] = apicid_sp5100; /* IOAPIC ID */ |
| p[5] = 0x14 << 3; /* Device 0x14 Function 0 */ |
| p[6] = 0x0; /* Southbridge bus */ |
| p[7] = 0x1; /* Variety */ |
| current += 8; |
| |
| return current; |
| } |