| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 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. |
| */ |
| |
| |
| /* |
| * ACPI - create the Fixed ACPI Description Tables (FADT) |
| */ |
| |
| |
| #include <string.h> |
| #include <console/console.h> |
| #include <arch/acpi.h> |
| #include <arch/io.h> |
| #include <device/device.h> |
| #include "SbPlatform.h" |
| |
| /*extern*/ u16 pm_base = 0x800; |
| /* pm_base should be set in sb ACPI */ |
| /* pm_base should be got from bar2 of sb900. Here I compact ACPI |
| * registers into 32 bytes limit. |
| * */ |
| |
| #define ACPI_PM_EVT_BLK (pm_base + 0x00) /* 4 bytes */ |
| #define ACPI_PM1_CNT_BLK (pm_base + 0x04) /* 2 bytes */ |
| #define ACPI_PM2_CNT_BLK (pm_base + 0x0F) /* 1 byte */ |
| #define ACPI_PM_TMR_BLK (pm_base + 0x08) /* 4 bytes */ |
| #define ACPI_GPE0_BLK (pm_base + 0x20) /* 8 bytes */ |
| #define ACPI_CPU_CONTORL (pm_base + 0x10) /* 6 bytes */ |
| void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt) |
| { |
| u16 val = 0; |
| acpi_header_t *header = &(fadt->header); |
| |
| pm_base &= 0xFFFF; |
| printk(BIOS_DEBUG, "pm_base: 0x%04x\n", pm_base); |
| |
| /* Prepare the header */ |
| memset((void *)fadt, 0, sizeof(acpi_fadt_t)); |
| memcpy(header->signature, "FACP", 4); |
| header->length = 244; |
| header->revision = 1; |
| 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 = 0; |
| |
| if ((uintptr_t)facs > 0xffffffff) |
| printk(BIOS_DEBUG, "ACPI: FACS lives above 4G\n"); |
| else |
| fadt->firmware_ctrl = (uintptr_t)facs; |
| |
| if ((uintptr_t)dsdt > 0xffffffff) |
| printk(BIOS_DEBUG, "ACPI: DSDT lives above 4G\n"); |
| else |
| fadt->dsdt = (uintptr_t)dsdt; |
| |
| /* 3 = Workstation, 4 = Enterprise Server, 7 = Performance Server */ |
| fadt->preferred_pm_profile = 0x03; |
| fadt->sci_int = 9; |
| /* disable system management mode by setting to 0: */ |
| fadt->smi_cmd = 0; |
| fadt->acpi_enable = 0xf0; |
| fadt->acpi_disable = 0xf1; |
| fadt->s4bios_req = 0x0; |
| fadt->pstate_cnt = 0xe2; |
| |
| val = PM1_EVT_BLK_ADDRESS; |
| WritePMIO(SB_PMIOA_REG60, AccWidthUint16, &val); |
| val = PM1_CNT_BLK_ADDRESS; |
| WritePMIO(SB_PMIOA_REG62, AccWidthUint16, &val); |
| val = PM1_TMR_BLK_ADDRESS; |
| WritePMIO(SB_PMIOA_REG64, AccWidthUint16, &val); |
| val = GPE0_BLK_ADDRESS; |
| WritePMIO(SB_PMIOA_REG68, AccWidthUint16, &val); |
| |
| /* CpuControl is in \_PR.CP00, 6 bytes */ |
| val = CPU_CNT_BLK_ADDRESS; |
| WritePMIO(SB_PMIOA_REG66, AccWidthUint16, &val); |
| val = 0; |
| WritePMIO(SB_PMIOA_REG6A, AccWidthUint16, &val); |
| |
| val = ACPI_PM2_CNT_BLK; |
| WritePMIO(SB_PMIOA_REG6E, AccWidthUint16, &val); |
| |
| /* AcpiDecodeEnable, When set, SB uses the contents of the |
| * PM registers at index 60-6B to decode ACPI I/O address. |
| * AcpiSmiEn & SmiCmdEn */ |
| val = BIT0 | BIT1 | BIT2 | BIT4; |
| WritePMIO(SB_PMIOA_REG74, AccWidthUint16, &val); |
| |
| /* RTC_En_En, TMR_En_En, GBL_EN_EN */ |
| outl(0x1, ACPI_PM1_CNT_BLK); /* set SCI_EN */ |
| fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK; |
| fadt->pm1b_evt_blk = 0x0000; |
| fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK; |
| fadt->pm1b_cnt_blk = 0x0000; |
| fadt->pm2_cnt_blk = ACPI_PM2_CNT_BLK; |
| fadt->pm_tmr_blk = ACPI_PM_TMR_BLK; |
| fadt->gpe0_blk = ACPI_GPE0_BLK; |
| fadt->gpe1_blk = 0x0000; /* we dont have gpe1 block, do we? */ |
| |
| fadt->pm1_evt_len = 4; |
| fadt->pm1_cnt_len = 2; |
| fadt->pm2_cnt_len = 1; |
| fadt->pm_tmr_len = 4; |
| fadt->gpe0_blk_len = 8; |
| fadt->gpe1_blk_len = 0; |
| fadt->gpe1_base = 0; |
| |
| fadt->cst_cnt = 0xe3; |
| fadt->p_lvl2_lat = 101; |
| fadt->p_lvl3_lat = 1001; |
| fadt->flush_size = 0; |
| fadt->flush_stride = 0; |
| fadt->duty_offset = 1; |
| fadt->duty_width = 3; |
| fadt->day_alrm = 0; /* 0x7d these have to be */ |
| fadt->mon_alrm = 0; /* 0x7e added to cmos.layout */ |
| fadt->century = 0; /* 0x7f to make rtc alrm work */ |
| fadt->iapc_boot_arch = 0x3; /* See table 5-11 */ |
| fadt->flags = 0x0001c1a5;/* 0x25; */ |
| |
| fadt->res2 = 0; |
| |
| fadt->reset_reg.space_id = 1; |
| fadt->reset_reg.bit_width = 8; |
| fadt->reset_reg.bit_offset = 0; |
| fadt->reset_reg.resv = 0; |
| fadt->reset_reg.addrl = 0xcf9; |
| fadt->reset_reg.addrh = 0x0; |
| |
| fadt->reset_value = 6; |
| fadt->x_firmware_ctl_l = ((uintptr_t)facs) & 0xffffffff; |
| fadt->x_firmware_ctl_h = ((uint64_t)(uintptr_t)facs) >> 32; |
| fadt->x_dsdt_l = ((uintptr_t)dsdt) & 0xffffffff; |
| fadt->x_dsdt_h = ((uint64_t)(uintptr_t)dsdt) >> 32; |
| |
| fadt->x_pm1a_evt_blk.space_id = 1; |
| fadt->x_pm1a_evt_blk.bit_width = 32; |
| fadt->x_pm1a_evt_blk.bit_offset = 0; |
| fadt->x_pm1a_evt_blk.resv = 0; |
| fadt->x_pm1a_evt_blk.addrl = ACPI_PM_EVT_BLK; |
| fadt->x_pm1a_evt_blk.addrh = 0x0; |
| |
| fadt->x_pm1b_evt_blk.space_id = 1; |
| fadt->x_pm1b_evt_blk.bit_width = 4; |
| fadt->x_pm1b_evt_blk.bit_offset = 0; |
| fadt->x_pm1b_evt_blk.resv = 0; |
| fadt->x_pm1b_evt_blk.addrl = 0x0; |
| fadt->x_pm1b_evt_blk.addrh = 0x0; |
| |
| |
| fadt->x_pm1a_cnt_blk.space_id = 1; |
| fadt->x_pm1a_cnt_blk.bit_width = 16; |
| fadt->x_pm1a_cnt_blk.bit_offset = 0; |
| fadt->x_pm1a_cnt_blk.resv = 0; |
| fadt->x_pm1a_cnt_blk.addrl = ACPI_PM1_CNT_BLK; |
| fadt->x_pm1a_cnt_blk.addrh = 0x0; |
| |
| fadt->x_pm1b_cnt_blk.space_id = 1; |
| fadt->x_pm1b_cnt_blk.bit_width = 2; |
| fadt->x_pm1b_cnt_blk.bit_offset = 0; |
| fadt->x_pm1b_cnt_blk.resv = 0; |
| fadt->x_pm1b_cnt_blk.addrl = 0x0; |
| fadt->x_pm1b_cnt_blk.addrh = 0x0; |
| |
| |
| fadt->x_pm2_cnt_blk.space_id = 1; |
| fadt->x_pm2_cnt_blk.bit_width = 0; |
| fadt->x_pm2_cnt_blk.bit_offset = 0; |
| fadt->x_pm2_cnt_blk.resv = 0; |
| fadt->x_pm2_cnt_blk.addrl = ACPI_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 = 32; |
| fadt->x_pm_tmr_blk.bit_offset = 0; |
| fadt->x_pm_tmr_blk.resv = 0; |
| fadt->x_pm_tmr_blk.addrl = ACPI_PM_TMR_BLK; |
| fadt->x_pm_tmr_blk.addrh = 0x0; |
| |
| |
| fadt->x_gpe0_blk.space_id = 1; |
| fadt->x_gpe0_blk.bit_width = 32; |
| fadt->x_gpe0_blk.bit_offset = 0; |
| fadt->x_gpe0_blk.resv = 0; |
| fadt->x_gpe0_blk.addrl = ACPI_GPE0_BLK; |
| fadt->x_gpe0_blk.addrh = 0x0; |
| |
| |
| fadt->x_gpe1_blk.space_id = 1; |
| fadt->x_gpe1_blk.bit_width = 0; |
| fadt->x_gpe1_blk.bit_offset = 0; |
| fadt->x_gpe1_blk.resv = 0; |
| fadt->x_gpe1_blk.addrl = 0; |
| fadt->x_gpe1_blk.addrh = 0x0; |
| |
| header->checksum = acpi_checksum((void *)fadt, sizeof(acpi_fadt_t)); |
| |
| } |