diff options
Diffstat (limited to 'src/southbridge/intel/i82371eb/fadt.c')
| -rw-r--r-- | src/southbridge/intel/i82371eb/fadt.c | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82371eb/fadt.c b/src/southbridge/intel/i82371eb/fadt.c new file mode 100644 index 0000000000..5891440d2e --- /dev/null +++ b/src/southbridge/intel/i82371eb/fadt.c @@ -0,0 +1,222 @@ +/* + * This file is part of the coreboot project. + * + * Based on src/southbridge/via/vt8237r/vt8237_fadt.c + * + * Copyright (C) 2004 Nick Barker <nick.barker9@btinternet.com> + * Copyright (C) 2007, 2009 Rudolf Marek <r.marek@assembler.cz> + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 <string.h> +#include <arch/acpi.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include "i82371eb.h" + +/** + * Create the Fixed ACPI Description Tables (FADT) for any board with this SB. + * Reference: ACPIspec40a, 5.2.9, page 118 + */ +void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt) +{ + acpi_header_t *header = &(fadt->header); + device_t dev; + + /* Power management controller */ + dev = dev_find_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_82371AB_SMB_ACPI, 0); + + memset((void *) fadt, 0, sizeof(acpi_fadt_t)); + memcpy(header->signature, "FACP", 4); + header->length = 244; + header->revision = 1; + memcpy(header->oem_id, "CORE ", 6); + memcpy(header->oem_table_id, "COREBOOT", 8); + memcpy(header->asl_compiler_id, "CORE", 4); + header->asl_compiler_revision = 42; + + fadt->firmware_ctrl = (u32)facs; + fadt->dsdt = (u32)dsdt; + fadt->preferred_pm_profile = 0; /* unspecified */ + fadt->sci_int = 9; + fadt->smi_cmd = 0; /* smi command port */ + fadt->acpi_enable = 0; /* acpi enable smi command */ + fadt->acpi_disable = 0; /* acpi disable smi command */ + fadt->s4bios_req = 0x0; + fadt->pstate_cnt = 0x0; + + fadt->pm1a_evt_blk = DEFAULT_PMBASE; + fadt->pm1b_evt_blk = 0x0; + fadt->pm1a_cnt_blk = DEFAULT_PMBASE + PMCNTRL; + fadt->pm1b_cnt_blk = 0x0; + + fadt->pm2_cnt_blk = 0; + fadt->pm_tmr_blk = DEFAULT_PMBASE + PMTMR; + fadt->gpe0_blk = DEFAULT_PMBASE + GPSTS; + fadt->gpe1_blk = 0x0; + fadt->gpe1_base = 0; + fadt->gpe1_blk_len = 0; + + /* *_len define register width in bytes */ + fadt->pm1_evt_len = 4; + fadt->pm1_cnt_len = 2; + fadt->pm2_cnt_len = 0; /* not supported */ + fadt->pm_tmr_len = 4; + fadt->gpe0_blk_len = 4; + + fadt->cst_cnt = 0; /* smi command to indicate c state changed notification */ + fadt->p_lvl2_lat = 101; /* >100 means c2 not supported */ + fadt->p_lvl3_lat = 1001; /* >1000 means c3 not supported */ + fadt->flush_size = 0; /* only needed if cpu wbinvd is broken */ + fadt->flush_stride = 0; + fadt->duty_offset = 1; /* bit 1:3 in PCNTRL reg (pmbase+0x10) */ + fadt->duty_width = 3; /* this width is in bits */ + fadt->day_alrm = 0x0d; /* rtc cmos ram offset */ + fadt->mon_alrm = 0x0; /* not supported */ + fadt->century = 0x0; /* not supported */ + /* + * bit meaning + * 0 1: We have user-visible legacy devices + * 1 1: 8042 + * 2 0: VGA is ok to probe + * 3 1: MSI are not supported + */ + fadt->iapc_boot_arch = 0xb; + /* + * bit meaning + * 0 WBINVD + * Processors in new ACPI-compatible systems are required to + * support this function and indicate this to OSPM by setting + * this field. + * 1 WBINVD_FLUSH + * If set, indicates that the hardware flushes all caches on the + * WBINVD instruction and maintains memory coherency, but does + * not guarantee the caches are invalidated. + * 2 PROC_C1 + * C1 power state (x86 hlt instruction) is supported on all cpus + * 3 P_LVL2_UP + * 0: C2 only on uniprocessor, 1: C2 on uni- and multiprocessor + * 4 PWR_BUTTON + * 0: pwr button is fixed feature + * 1: pwr button has control method device if present + * 5 SLP_BUTTON + * 0: sleep button is fixed feature + * 1: sleep button has control method device if present + * 6 FIX_RTC + * 0: RTC wake status supported in fixed register spce + * 7 RTC_S4 + * 1: RTC can wake from S4 + * 8 TMR_VAL_EXT + * 1: pmtimer is 32bit, 0: pmtimer is 24bit + * 9 DCK_CAP + * 1: system supports docking station + * 10 RESET_REG_SUPPORT + * 1: fadt describes reset register for system reset + * 11 SEALED_CASE + * 1: No expansion possible, sealed case + * 12 HEADLESS + * 1: Video output, keyboard and mouse are not connected + * 13 CPU_SW_SLP + * 1: Special processor instruction needs to be executed + * after writing SLP_TYP + * 14 PCI_EXP_WAK + * 1: PM1 regs support PCIEXP_WAKE_(STS|EN), must be set + * on platforms with pci express support + * 15 USE_PLATFORM_CLOCK + * 1: OS should prefer platform clock over processor internal + * clock. + * 16 S4_RTC_STS_VALID + * 17 REMOTE_POWER_ON_CAPABLE + * 1: platform correctly supports OSPM leaving GPE wake events + * armed prior to an S5 transition. + * 18 FORCE_APIC_CLUSTER_MODEL + * 19 FORCE_APIC_PHYSICAL_DESTINATION_MODE + */ + fadt->flags = 0xa5; + + fadt->reset_reg.space_id = 0; + fadt->reset_reg.bit_width = 0; + fadt->reset_reg.bit_offset = 0; + fadt->reset_reg.resv = 0; + fadt->reset_reg.addrl = 0x0; + fadt->reset_reg.addrh = 0x0; + fadt->reset_value = 0; + + fadt->x_firmware_ctl_l = (u32)facs; + fadt->x_firmware_ctl_h = 0; + fadt->x_dsdt_l = (u32)dsdt; + fadt->x_dsdt_h = 0; + + fadt->x_pm1a_evt_blk.space_id = 1; + fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8; + fadt->x_pm1a_evt_blk.bit_offset = 0; + fadt->x_pm1a_evt_blk.resv = 0; + fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk; + fadt->x_pm1a_evt_blk.addrh = 0x0; + + fadt->x_pm1b_evt_blk.space_id = 1; + fadt->x_pm1b_evt_blk.bit_width = fadt->pm1_evt_len * 8; + fadt->x_pm1b_evt_blk.bit_offset = 0; + fadt->x_pm1b_evt_blk.resv = 0; + fadt->x_pm1b_evt_blk.addrl = fadt->pm1b_evt_blk; + fadt->x_pm1b_evt_blk.addrh = 0x0; + + fadt->x_pm1a_cnt_blk.space_id = 1; + fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8; + fadt->x_pm1a_cnt_blk.bit_offset = 0; + fadt->x_pm1a_cnt_blk.resv = 0; + fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk; + fadt->x_pm1a_cnt_blk.addrh = 0x0; + + fadt->x_pm1b_cnt_blk.space_id = 1; + fadt->x_pm1b_cnt_blk.bit_width = fadt->pm1_cnt_len * 8; + fadt->x_pm1b_cnt_blk.bit_offset = 0; + fadt->x_pm1b_cnt_blk.resv = 0; + fadt->x_pm1b_cnt_blk.addrl = fadt->pm1b_cnt_blk; + fadt->x_pm1b_cnt_blk.addrh = 0x0; + + fadt->x_pm2_cnt_blk.space_id = 1; + fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8; + fadt->x_pm2_cnt_blk.bit_offset = 0; + fadt->x_pm2_cnt_blk.resv = 0; + fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk; + fadt->x_pm2_cnt_blk.addrh = 0x0; + + fadt->x_pm_tmr_blk.space_id = 1; + fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8; + fadt->x_pm_tmr_blk.bit_offset = 0; + fadt->x_pm_tmr_blk.resv = 0; + fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk; + fadt->x_pm_tmr_blk.addrh = 0x0; + + fadt->x_gpe0_blk.space_id = 1; + fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8; + fadt->x_gpe0_blk.bit_offset = 0; + fadt->x_gpe0_blk.resv = 0; + fadt->x_gpe0_blk.addrl = fadt->gpe0_blk; + fadt->x_gpe0_blk.addrh = 0x0; + + fadt->x_gpe1_blk.space_id = 1; + fadt->x_gpe1_blk.bit_width = fadt->gpe1_blk_len * 8;; + fadt->x_gpe1_blk.bit_offset = 0; + fadt->x_gpe1_blk.resv = 0; + fadt->x_gpe1_blk.addrl = fadt->gpe1_blk; + fadt->x_gpe1_blk.addrh = 0x0; + + header->checksum = acpi_checksum((void *) fadt, sizeof(acpi_fadt_t)); +} |