769b6579da
Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: Id3002dc976b82f71b1f60a6e32b16d60a7bbbead Reviewed-on: https://review.coreboot.org/c/coreboot/+/68427 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
126 lines
4.2 KiB
C
126 lines
4.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* ACPI - create the Fixed ACPI Description Tables (FADT)
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*/
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#include <console/console.h>
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#include <acpi/acpi.h>
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#include <arch/io.h>
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#include <device/device.h>
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#include <version.h>
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#include "SBPLATFORM.h"
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#ifndef FADT_BOOT_ARCH
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#if LEGACY_FREE
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#define FADT_BOOT_ARCH ACPI_FADT_LEGACY_FREE
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#else
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#define FADT_BOOT_ARCH (ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042)
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#endif
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#endif
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/*
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* Reference section 5.2.9 Fixed ACPI Description Table (FADT)
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* in the ACPI 3.0b specification.
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*/
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void acpi_fill_fadt(acpi_fadt_t *fadt)
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{
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u16 val = 0;
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printk(BIOS_DEBUG, "ACPI_BLK_BASE: 0x%04x\n", ACPI_BLK_BASE);
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fadt->sci_int = 9; /* HUDSON 1 - IRQ 09 - ACPI SCI */
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val = PM1_EVT_BLK_ADDRESS;
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WritePMIO(SB_PMIOA_REG60, AccWidthUint16, &val);
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val = PM1_CNT_BLK_ADDRESS;
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WritePMIO(SB_PMIOA_REG62, AccWidthUint16, &val);
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val = PM1_TMR_BLK_ADDRESS;
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WritePMIO(SB_PMIOA_REG64, AccWidthUint16, &val);
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val = GPE0_BLK_ADDRESS;
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WritePMIO(SB_PMIOA_REG68, AccWidthUint16, &val);
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/* CpuControl is in \_PR.CP00, 6 bytes */
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val = CPU_CNT_BLK_ADDRESS;
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WritePMIO(SB_PMIOA_REG66, AccWidthUint16, &val);
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val = 0;
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WritePMIO(SB_PMIOA_REG6A, AccWidthUint16, &val);
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val = ACPI_PMA_CNT_BLK_ADDRESS;
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WritePMIO(SB_PMIOA_REG6E, AccWidthUint16, &val);
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/* AcpiDecodeEnable, When set, SB uses the contents of the
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* PM registers at index 60-6B to decode ACPI I/O address.
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* AcpiSmiEn & SmiCmdEn*/
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val = BIT0 | BIT1 | BIT2 | BIT4;
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WritePMIO(SB_PMIOA_REG74, AccWidthUint16, &val);
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/* RTC_En_En, TMR_En_En, GBL_EN_EN */
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outl(0x1, PM1_CNT_BLK_ADDRESS); /* set SCI_EN */
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fadt->pm1a_evt_blk = PM1_EVT_BLK_ADDRESS;
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fadt->pm1a_cnt_blk = PM1_CNT_BLK_ADDRESS;
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fadt->pm2_cnt_blk = ACPI_PMA_CNT_BLK_ADDRESS;
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fadt->pm_tmr_blk = PM1_TMR_BLK_ADDRESS;
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fadt->gpe0_blk = GPE0_BLK_ADDRESS;
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fadt->pm1_evt_len = 4; /* 32 bits */
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fadt->pm1_cnt_len = 2; /* 16 bits */
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fadt->pm2_cnt_len = 1; /* 8 bits */
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fadt->pm_tmr_len = 4; /* 32 bits */
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fadt->gpe0_blk_len = 8; /* 64 bits */
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fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
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fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
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fadt->duty_offset = 1; /* CLK_VAL bits 3:1 */
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fadt->duty_width = 3; /* CLK_VAL bits 3:1 */
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fadt->day_alrm = 0; /* 0x7d these have to be */
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fadt->mon_alrm = 0; /* 0x7e added to cmos.layout */
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fadt->iapc_boot_arch = FADT_BOOT_ARCH; /* See table 5-10 */
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fadt->res2 = 0; /* reserved, MUST be 0 ACPI 3.0 */
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fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-10 ACPI 3.0a spec */
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ACPI_FADT_C1_SUPPORTED |
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ACPI_FADT_SLEEP_BUTTON |
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ACPI_FADT_S4_RTC_WAKE |
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ACPI_FADT_32BIT_TIMER |
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ACPI_FADT_PCI_EXPRESS_WAKE |
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ACPI_FADT_S4_RTC_VALID |
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ACPI_FADT_REMOTE_POWER_ON;
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fadt->ARM_boot_arch = 0; /* Must be zero if ACPI Revision <= 5.0 */
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fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
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fadt->x_pm1a_evt_blk.bit_offset = 0;
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fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
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fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
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fadt->x_pm1a_evt_blk.addrh = 0x0;
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fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
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fadt->x_pm1a_cnt_blk.bit_offset = 0;
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fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
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fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
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fadt->x_pm1a_cnt_blk.addrh = 0x0;
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fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
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fadt->x_pm2_cnt_blk.bit_offset = 0;
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fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
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fadt->x_pm2_cnt_blk.addrl = ACPI_PMA_CNT_BLK_ADDRESS;
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fadt->x_pm2_cnt_blk.addrh = 0x0;
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fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
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fadt->x_pm_tmr_blk.bit_offset = 0;
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fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
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fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
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fadt->x_pm_tmr_blk.addrh = 0x0;
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fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8; /* EventStatus + Event Enable */
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fadt->x_gpe0_blk.bit_offset = 0;
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fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
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fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
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fadt->x_gpe0_blk.addrh = 0x0;
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}
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