diff options
Diffstat (limited to 'src/southbridge/intel/fsp_rangeley/acpi.c')
-rw-r--r-- | src/southbridge/intel/fsp_rangeley/acpi.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/src/southbridge/intel/fsp_rangeley/acpi.c b/src/southbridge/intel/fsp_rangeley/acpi.c new file mode 100644 index 0000000000..19d6154320 --- /dev/null +++ b/src/southbridge/intel/fsp_rangeley/acpi.c @@ -0,0 +1,201 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * Copyright (C) 2014 Sage Electronic Engineering, LLC. + * + * 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 <string.h> +#include <device/device.h> +#include <device/pci.h> +#include <arch/acpi.h> +#include <southbridge/intel/fsp_rangeley/soc.h> +#include <arch/io.h> + +#if IS_ENABLED(CONFIG_HAVE_SMI_HANDLER) +#include <cpu/x86/smm.h> +#endif + +/** + * Fill in the fadt with generic values that can be overridden later. + */ + +typedef struct southbridge_intel_fsp_rangeley_config config_t; + +void acpi_fill_in_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt) +{ + acpi_header_t *header = &(fadt->header); + struct device *lpcdev = dev_find_slot(SOC_LPC_DEVFN); + u16 pmbase = pci_read_config16(lpcdev, ABASE) & 0xfff0; + config_t *config = lpcdev->chip_info; + + memset((void *) fadt, 0, sizeof(acpi_fadt_t)); + + /* + * Reference section 5.2.9 Fixed ACPI Description Table (FADT) + * in the ACPI 3.0b specification. + */ + + /* FADT Header Structure */ + memcpy(header->signature, "FACP", 4); + header->length = sizeof(acpi_fadt_t); + header->revision = ACPI_FADT_REV_ACPI_3_0; + memcpy(header->oem_id, OEM_ID, 6); + memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); + memcpy(header->asl_compiler_id, ASLC, 4); + header->asl_compiler_revision = 1; + + /* ACPI Pointers */ + fadt->firmware_ctrl = (unsigned long) facs; + fadt->dsdt = (unsigned long) dsdt; + + fadt->model = 0; /* reserved, should be 0 ACPI 3.0 */ + fadt->preferred_pm_profile = config->fadt_pm_profile; /* unknown is default */ + + /* System Management */ + fadt->sci_int = 0x09; + fadt->smi_cmd = 0x00; /* disable SMM */ + fadt->acpi_enable = 0x00; /* unused if SMI_CMD = 0 */ + fadt->acpi_disable = 0x00; /* unused if SMI_CMD = 0 */ + + /* Enable ACPI */ + outl(inl(pmbase + PM1_CNT) | SCI_EN, pmbase + PM1_CNT); + + /* Power Control */ + fadt->s4bios_req = 0x00; + fadt->pstate_cnt = 0x00; + + /* Control Registers - Base Address */ + fadt->pm1a_evt_blk = pmbase + PM1_STS; + fadt->pm1b_evt_blk = 0x00; /* Not Used */ + fadt->pm1a_cnt_blk = pmbase + PM1_CNT; + fadt->pm1b_cnt_blk = 0x00; /* Not Used */ + fadt->pm2_cnt_blk = pmbase + PM2A_CNT_BLK; + fadt->pm_tmr_blk = pmbase + PM1_TMR; + fadt->gpe0_blk = pmbase + GPE0_STS; + fadt->gpe1_blk = 0x00; /* Not Used */ + + /* Control Registers - Length */ + fadt->pm1_evt_len = 4; /* 32 bits */ + fadt->pm1_cnt_len = 2; /* 32 bit register, 16 bits used */ + fadt->pm2_cnt_len = 1; /* 8 bits */ + fadt->pm_tmr_len = 4; /* 32 bits */ + fadt->gpe0_blk_len = 8; /* 64 bits */ + fadt->gpe1_blk_len = 0; + fadt->gpe1_base = 0; + fadt->cst_cnt = 0; + fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; + fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; + fadt->flush_size = 0; /* set to 0 if WBINVD is 1 in flags */ + fadt->flush_stride = 0; /* set to 0 if WBINVD is 1 in flags */ + fadt->duty_offset = 1; + fadt->duty_width = 0; + + /* RTC Registers */ + fadt->day_alrm = 0x0D; + fadt->mon_alrm = 0x00; + fadt->century = 0x00; + fadt->iapc_boot_arch = config->fadt_boot_arch; /* legacy free default */ + + fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED | + ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON | + ACPI_FADT_RESET_REGISTER | ACPI_FADT_SLEEP_TYPE | + ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK; + + /* Reset Register */ + fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->reset_reg.bit_width = 8; + fadt->reset_reg.bit_offset = 0; + fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; + fadt->reset_reg.addrl = 0xCF9; + fadt->reset_reg.addrh = 0x00; + fadt->reset_value = 6; + + /* Reserved Bits */ + fadt->res3 = 0x00; /* reserved, MUST be 0 ACPI 3.0 */ + fadt->res4 = 0x00; /* reserved, MUST be 0 ACPI 3.0 */ + fadt->res5 = 0x00; /* reserved, MUST be 0 ACPI 3.0 */ + + /* Extended ACPI Pointers */ + fadt->x_firmware_ctl_l = (unsigned long)facs; + fadt->x_firmware_ctl_h = 0x00; + fadt->x_dsdt_l = (unsigned long)dsdt; + fadt->x_dsdt_h = 0x00; + + /* PM1 Status & PM1 Enable */ + fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm1a_evt_blk.bit_width = 32; + fadt->x_pm1a_evt_blk.bit_offset = 0; + fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; + fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk; + fadt->x_pm1a_evt_blk.addrh = 0x00; + + fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm1b_evt_blk.bit_width = 0; + fadt->x_pm1b_evt_blk.bit_offset = 0; + fadt->x_pm1b_evt_blk.access_size = 0; + fadt->x_pm1b_evt_blk.addrl = fadt->pm1b_evt_blk; + fadt->x_pm1b_evt_blk.addrh = 0x00; + + /* PM1 Control Registers */ + fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm1a_cnt_blk.bit_width = 16; + fadt->x_pm1a_cnt_blk.bit_offset = 0; + fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS; + fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk; + fadt->x_pm1a_cnt_blk.addrh = 0x00; + + fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm1b_cnt_blk.bit_width = 0; + fadt->x_pm1b_cnt_blk.bit_offset = 0; + fadt->x_pm1b_cnt_blk.access_size = 0; + fadt->x_pm1b_cnt_blk.addrl = fadt->pm1b_cnt_blk; + fadt->x_pm1b_cnt_blk.addrh = 0x00; + + /* PM2 Control Registers */ + fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm2_cnt_blk.bit_width = 8; + fadt->x_pm2_cnt_blk.bit_offset = 0; + fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; + fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk; + fadt->x_pm2_cnt_blk.addrh = 0x00; + + /* PM1 Timer Register */ + fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_pm_tmr_blk.bit_width = 32; + fadt->x_pm_tmr_blk.bit_offset = 0; + fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; + fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk; + fadt->x_pm_tmr_blk.addrh = 0x00; + + /* General-Purpose Event Registers */ + fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_gpe0_blk.bit_width = 64; /* EventStatus + EventEnable */ + fadt->x_gpe0_blk.bit_offset = 0; + fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; + fadt->x_gpe0_blk.addrl = fadt->gpe0_blk; + fadt->x_gpe0_blk.addrh = 0x00; + + fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO; + fadt->x_gpe1_blk.bit_width = 0; + fadt->x_gpe1_blk.bit_offset = 0; + fadt->x_gpe1_blk.access_size = 0; + fadt->x_gpe1_blk.addrl = fadt->gpe1_blk; + fadt->x_gpe1_blk.addrh = 0x00; + + header->checksum = + acpi_checksum((void *) fadt, sizeof(acpi_fadt_t)); +} |