diff options
Diffstat (limited to 'src/mainboard/amd/mahogany/acpi_tables.c')
| -rw-r--r-- | src/mainboard/amd/mahogany/acpi_tables.c | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/src/mainboard/amd/mahogany/acpi_tables.c b/src/mainboard/amd/mahogany/acpi_tables.c new file mode 100644 index 0000000000..f8108e8177 --- /dev/null +++ b/src/mainboard/amd/mahogany/acpi_tables.c @@ -0,0 +1,291 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <string.h> +#include <arch/acpi.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <cpu/x86/msr.h> +#include <cpu/amd/mtrr.h> +#include <cpu/amd/amdk8_sysconf.h> +#include <../../../northbridge/amd/amdk8/amdk8_acpi.h> +#include <arch/cpu.h> +#include <cpu/amd/model_fxx_powernow.h> + +extern u16 pm_base; + +#define DUMP_ACPI_TABLES 0 + +/* +* Assume the max pstate number is 8 +* 0x21(33 bytes) is one package length of _PSS package +*/ + +#define Maxpstate 8 +#define Defpkglength 0x21 + +#if DUMP_ACPI_TABLES == 1 +static void dump_mem(u32 start, u32 end) +{ + + u32 i; + print_debug("dump_mem:"); + for (i = start; i < end; i++) { + if ((i & 0xf) == 0) { + printk_debug("\n%08x:", i); + } + printk_debug(" %02x", (u8)*((u8 *)i)); + } + print_debug("\n"); +} +#endif + +extern u8 AmlCode[]; + +#if CONFIG_ACPI_SSDTX_NUM >= 1 +extern u8 AmlCode_ssdt2[]; +extern u8 AmlCode_ssdt3[]; +extern u8 AmlCode_ssdt4[]; +extern u8 AmlCode_ssdt5[]; +#endif + +#define IO_APIC_ADDR 0xfec00000UL + +unsigned long acpi_fill_mcfg(unsigned long current) +{ + /* Just a dummy */ + return current; +} + +unsigned long acpi_fill_madt(unsigned long current) +{ + /* create all subtables for processors */ + current = acpi_create_madt_lapics(current); + + /* Write SB700 IOAPIC, only one */ + current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2, + IO_APIC_ADDR, 0); + + 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); + /* 0: mean bus 0--->ISA */ + /* 0: PIC 0 */ + /* 2: APIC 2 */ + /* 5 mean: 0101 --> Edige-triggered, Active high */ + + /* create all subtables for processors */ + /* current = acpi_create_madt_lapic_nmis(current, 5, 1); */ + /* 1: LINT1 connect to NMI */ + + return current; +} + +extern void get_bus_conf(void); + +void update_ssdtx(void *ssdtx, int i) +{ + uint8_t *PCI; + uint8_t *HCIN; + uint8_t *UID; + + PCI = ssdtx + 0x32; + HCIN = ssdtx + 0x39; + UID = ssdtx + 0x40; + + if (i < 7) { + *PCI = (uint8_t) ('4' + i - 1); + } else { + *PCI = (uint8_t) ('A' + i - 1 - 6); + } + *HCIN = (uint8_t) i; + *UID = (uint8_t) (i + 3); + + /* FIXME: need to update the GSI id in the ssdtx too */ + +} + +unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) { + k8acpi_write_vars(); + amd_model_fxx_generate_powernow(pm_base + 8, 6, 1); + return (unsigned long) (acpigen_get_current()); +} + +unsigned long write_acpi_tables(unsigned long start) +{ + unsigned long current; + acpi_rsdp_t *rsdp; + acpi_rsdt_t *rsdt; + acpi_hpet_t *hpet; + acpi_madt_t *madt; + acpi_fadt_t *fadt; + acpi_facs_t *facs; + acpi_header_t *dsdt; + acpi_header_t *ssdt; + + get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */ + + /* Align ACPI tables to 16byte */ + start = (start + 0x0f) & -0x10; + current = start; + + printk_info("ACPI: Writing ACPI tables at %lx...\n", start); + + /* We need at least an RSDP and an RSDT Table */ + rsdp = (acpi_rsdp_t *) current; + current += sizeof(acpi_rsdp_t); + rsdt = (acpi_rsdt_t *) current; + current += sizeof(acpi_rsdt_t); + + /* clear all table memory */ + memset((void *)start, 0, current - start); + + acpi_write_rsdp(rsdp, rsdt, NULL); + acpi_write_rsdt(rsdt); + + /* + * We explicitly add these tables later on: + */ + /* If we want to use HPET Timers Linux wants an MADT */ + printk_debug("ACPI: * HPET\n"); + hpet = (acpi_hpet_t *) current; + current += sizeof(acpi_hpet_t); + acpi_create_hpet(hpet); + acpi_add_table(rsdp, hpet); + + printk_debug("ACPI: * MADT\n"); + madt = (acpi_madt_t *) current; + acpi_create_madt(madt); + current += madt->header.length; + acpi_add_table(rsdp, madt); + +#if 0 + /* SRAT */ + printk_debug("ACPI: * SRAT\n"); + srat = (acpi_srat_t *) current; + acpi_create_srat(srat); + current += srat->header.length; + acpi_add_table(rsdp, srat); + + /* SLIT */ + printk_debug("ACPI: * SLIT\n"); + slit = (acpi_slit_t *) current; + acpi_create_slit(slit); + current += slit->header.length; + acpi_add_table(rsdp, slit); +#endif + + /* SSDT */ + printk_debug("ACPI: * SSDT\n"); + ssdt = (acpi_header_t *)current; + + acpi_create_ssdt_generator(ssdt, "DYNADATA"); + current += ssdt->length; + acpi_add_table(rsdp, ssdt); + +#if CONFIG_ACPI_SSDTX_NUM >= 1 + + /* same htio, but different position? We may have to copy, change HCIN, and recalculate the checknum and add_table */ + + for (i = 1; i < sysconf.hc_possible_num; i++) { /* 0: is hc sblink */ + if ((sysconf.pci1234[i] & 1) != 1) + continue; + uint8_t c; + if (i < 7) { + c = (uint8_t) ('4' + i - 1); + } else { + c = (uint8_t) ('A' + i - 1 - 6); + } + printk_debug("ACPI: * SSDT for PCI%c Aka hcid = %d\n", c, sysconf.hcid[i]); /* pci0 and pci1 are in dsdt */ + current = (current + 0x07) & -0x08; + ssdtx = (acpi_header_t *) current; + switch (sysconf.hcid[i]) { + case 1: /* 8132 */ + p = AmlCode_ssdt2; + break; + case 2: /* 8151 */ + p = AmlCode_ssdt3; + break; + case 3: /* 8131 */ + p = AmlCode_ssdt4; + break; + default: + /* HTX no io apic */ + p = AmlCode_ssdt5; + break; + } + current += ((acpi_header_t *) p)->length; + memcpy((void *)ssdtx, (void *)p, ((acpi_header_t *) p)->length); + update_ssdtx((void *)ssdtx, i); + ssdtx->checksum = 0; + ssdtx->checksum = + acpi_checksum((u8 *)ssdtx, ssdtx->length); + acpi_add_table(rsdp, ssdtx); + } +#endif + + /* FACS */ + printk_debug("ACPI: * FACS\n"); + facs = (acpi_facs_t *) current; + current += sizeof(acpi_facs_t); + acpi_create_facs(facs); + + /* DSDT */ + printk_debug("ACPI: * DSDT\n"); + dsdt = (acpi_header_t *) current; + memcpy((void *)dsdt, (void *)AmlCode, + ((acpi_header_t *) AmlCode)->length); + current += dsdt->length; + printk_debug("ACPI: * DSDT @ %p Length %x\n", dsdt, dsdt->length); + /* FADT */ + printk_debug("ACPI: * FADT\n"); + fadt = (acpi_fadt_t *) current; + current += sizeof(acpi_fadt_t); + + acpi_create_fadt(fadt, facs, dsdt); + acpi_add_table(rsdp, fadt); + +#if DUMP_ACPI_TABLES == 1 + printk_debug("rsdp\n"); + dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t)); + + printk_debug("rsdt\n"); + dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t)); + + printk_debug("madt\n"); + dump_mem(madt, ((void *)madt) + madt->header.length); + + printk_debug("srat\n"); + dump_mem(srat, ((void *)srat) + srat->header.length); + + printk_debug("slit\n"); + dump_mem(slit, ((void *)slit) + slit->header.length); + + printk_debug("ssdt\n"); + dump_mem(ssdt, ((void *)ssdt) + ssdt->length); + + printk_debug("fadt\n"); + dump_mem(fadt, ((void *)fadt) + fadt->header.length); +#endif + + printk_info("ACPI: done.\n"); + return current; +} |