diff options
Diffstat (limited to 'src/mainboard/supermicro/h8qgi/acpi_tables.c')
| -rw-r--r-- | src/mainboard/supermicro/h8qgi/acpi_tables.c | 95 |
1 files changed, 60 insertions, 35 deletions
diff --git a/src/mainboard/supermicro/h8qgi/acpi_tables.c b/src/mainboard/supermicro/h8qgi/acpi_tables.c index b8ce0b0431..7314283691 100644 --- a/src/mainboard/supermicro/h8qgi/acpi_tables.c +++ b/src/mainboard/supermicro/h8qgi/acpi_tables.c @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2011 Advanced Micro Devices, Inc. + * Copyright (C) 2011 - 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 @@ -20,6 +20,7 @@ #include <console/console.h> #include <string.h> #include <arch/acpi.h> +#include <arch/acpigen.h> #include <arch/ioapic.h> #include <arch/io.h> #include <device/pci.h> @@ -48,7 +49,6 @@ static void dump_mem(u32 start, u32 end) #endif extern const unsigned char AmlCode[]; -extern const unsigned char AmlCode_ssdt[]; unsigned long acpi_fill_mcfg(unsigned long current) @@ -77,7 +77,7 @@ unsigned long acpi_fill_madt(unsigned long current) #else apicid_sp5100 = CONFIG_MAX_CPUS + 1 #endif - apicid_sr5650 = apicid_sp5100 + 1; + apicid_sr5650 = apicid_sp5100 + 1; /* create all subtables for processors */ current = acpi_create_madt_lapics(current); @@ -89,18 +89,18 @@ unsigned long acpi_fill_madt(unsigned long current) 0 ); - /* IOAPIC on rs5690 */ - gsi_base += IO_APIC_INTERRUPTS; /* SP5100 has 24 IOAPIC entries. */ - dev = dev_find_slot(0, PCI_DEVFN(0, 0)); - if (dev) { - pci_write_config32(dev, 0xF8, 0x1); - dword = pci_read_config32(dev, 0xFC) & 0xfffffff0; + /* IOAPIC on rs5690 */ + gsi_base += IO_APIC_INTERRUPTS; /* SP5100 has 24 IOAPIC entries. */ + dev = dev_find_slot(0, PCI_DEVFN(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 ); - } + } current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) current, 0, //BUS @@ -134,6 +134,29 @@ unsigned long acpi_fill_srat(unsigned long current) return current; } +unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) +{ + int lens; + msr_t msr; + char pscope[] = "\\_SB.PCI0"; + + lens = acpigen_write_scope(pscope); + msr = rdmsr(TOP_MEM); + lens += acpigen_write_name_dword("TOM1", msr.lo); + msr = rdmsr(TOP_MEM2); + /* + * Since XP only implements parts of ACPI 2.0, we can't use a qword + * here. + * See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt + * slide 22ff. + * Shift value right by 20 bit to make it fit into 32bit, + * giving us 1MB granularity and a limit of almost 4Exabyte of memory. + */ + lens += acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20); + acpigen_patch_len(lens - 1); + return (unsigned long) (acpigen_get_current()); +} + unsigned long write_acpi_tables(unsigned long start) { unsigned long current; @@ -146,7 +169,9 @@ unsigned long write_acpi_tables(unsigned long start) acpi_fadt_t *fadt; acpi_facs_t *facs; acpi_header_t *dsdt; - //acpi_header_t *ssdt; + acpi_header_t *ssdt; + acpi_header_t *ssdt2; + acpi_header_t *alib; get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */ @@ -234,38 +259,38 @@ unsigned long write_acpi_tables(unsigned long start) } /* SSDT */ - /* NOTE: we not update_ssdt, so ssdt only contain initialize value from ssdt.asl */ -#ifdef UNUSED_CODE - current = ( current + 0x0f) & -0x10; - printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current); - ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE); - if (ssdt != NULL) { - memcpy(current, ssdt, ssdt->length); + current = (current + 0x0f) & -0x10; + printk(BIOS_DEBUG, "ACPI: * AGESA ALIB SSDT at %lx\n", current); + alib = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_ALIB); + if (alib != NULL) { + memcpy((void *)current, alib, alib->length); ssdt = (acpi_header_t *) current; - current += ssdt->length; + current += alib->length; + acpi_add_table(rsdp,alib); + } else { + printk(BIOS_DEBUG, " AGESA ALIB SSDT table NULL. Skipping.\n"); } - else { + +#if 0 // The DSDT needs additional work for the AGESA SSDT Pstate table + current = ( current + 0x0f) & -0x10; + printk(BIOS_DEBUG, "ACPI: * AGESA SSDT Pstate at %lx\n", current); + ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE); + if (ssdt != NULL) { + memcpy((void *)current, ssdt, ssdt->length); ssdt = (acpi_header_t *) current; - memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t)); current += ssdt->length; - memcpy(ssdt, &AmlCode_ssdt, ssdt->length); - /* recalculate checksum */ - ssdt->checksum = 0; - ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length); + } else { + printk(BIOS_DEBUG, " AGESA SSDT table NULL. Skipping.\n"); } acpi_add_table(rsdp,ssdt); - - printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current); #endif - /* DSDT */ - current = ( current + 0x07) & -0x08; - printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current); - dsdt = (acpi_header_t *)current; // it will used by fadt - memcpy(dsdt, &AmlCode, sizeof(acpi_header_t)); - current += dsdt->length; - memcpy(dsdt, &AmlCode, dsdt->length); - printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length); + current = ( current + 0x0f) & -0x10; + printk(BIOS_DEBUG, "ACPI: * coreboot TOM SSDT2 at %lx\n", current); + ssdt2 = (acpi_header_t *) current; + acpi_create_ssdt_generator(ssdt2, ACPI_TABLE_CREATOR); + current += ssdt2->length; + acpi_add_table(rsdp,ssdt2); #if DUMP_ACPI_TABLES == 1 printk(BIOS_DEBUG, "rsdp\n"); |