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https://github.com/brain-hackers/u-boot-brain
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![Bin Meng](/assets/img/avatar_default.png)
FADT/MADT tables are platform specific. Generate them for BayTrail. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
164 lines
4.9 KiB
C
164 lines
4.9 KiB
C
/*
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* Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/acpi_table.h>
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#include <asm/ioapic.h>
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#include <asm/mpspec.h>
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#include <asm/tables.h>
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#include <asm/arch/iomap.h>
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void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
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void *dsdt)
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{
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struct acpi_table_header *header = &(fadt->header);
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u16 pmbase = ACPI_BASE_ADDRESS;
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memset((void *)fadt, 0, sizeof(struct acpi_fadt));
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acpi_fill_header(header, "FACP");
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header->length = sizeof(struct acpi_fadt);
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header->revision = 4;
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fadt->firmware_ctrl = (u32)facs;
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fadt->dsdt = (u32)dsdt;
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fadt->preferred_pm_profile = ACPI_PM_MOBILE;
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fadt->sci_int = 9;
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fadt->smi_cmd = 0;
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fadt->acpi_enable = 0;
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fadt->acpi_disable = 0;
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fadt->s4bios_req = 0;
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fadt->pstate_cnt = 0;
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fadt->pm1a_evt_blk = pmbase;
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fadt->pm1b_evt_blk = 0x0;
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fadt->pm1a_cnt_blk = pmbase + 0x4;
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fadt->pm1b_cnt_blk = 0x0;
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fadt->pm2_cnt_blk = pmbase + 0x50;
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fadt->pm_tmr_blk = pmbase + 0x8;
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fadt->gpe0_blk = pmbase + 0x20;
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fadt->gpe1_blk = 0;
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fadt->pm1_evt_len = 4;
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fadt->pm1_cnt_len = 2;
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fadt->pm2_cnt_len = 1;
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fadt->pm_tmr_len = 4;
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fadt->gpe0_blk_len = 8;
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fadt->gpe1_blk_len = 0;
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fadt->gpe1_base = 0;
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fadt->cst_cnt = 0;
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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->flush_size = 0;
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fadt->flush_stride = 0;
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fadt->duty_offset = 1;
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fadt->duty_width = 0;
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fadt->day_alrm = 0x0d;
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fadt->mon_alrm = 0x00;
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fadt->century = 0x00;
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fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
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fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
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ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
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ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_RESET_REGISTER |
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ACPI_FADT_PLATFORM_CLOCK;
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fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO;
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fadt->reset_reg.bit_width = 8;
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fadt->reset_reg.bit_offset = 0;
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fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
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fadt->reset_reg.addrl = IO_PORT_RESET;
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fadt->reset_reg.addrh = 0;
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fadt->reset_value = SYS_RST | RST_CPU;
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fadt->x_firmware_ctl_l = (u32)facs;
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fadt->x_firmware_ctl_h = 0;
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fadt->x_dsdt_l = (u32)dsdt;
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fadt->x_dsdt_h = 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_DWORD_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_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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fadt->x_pm1b_evt_blk.bit_width = 0;
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fadt->x_pm1b_evt_blk.bit_offset = 0;
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fadt->x_pm1b_evt_blk.access_size = 0;
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fadt->x_pm1b_evt_blk.addrl = 0x0;
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fadt->x_pm1b_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_WORD_ACCESS;
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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_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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fadt->x_pm1b_cnt_blk.bit_width = 0;
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fadt->x_pm1b_cnt_blk.bit_offset = 0;
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fadt->x_pm1b_cnt_blk.access_size = 0;
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fadt->x_pm1b_cnt_blk.addrl = 0x0;
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fadt->x_pm1b_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 = fadt->pm2_cnt_blk;
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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;
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fadt->x_gpe0_blk.bit_offset = 0;
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fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_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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fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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fadt->x_gpe1_blk.bit_width = 0;
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fadt->x_gpe1_blk.bit_offset = 0;
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fadt->x_gpe1_blk.access_size = 0;
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fadt->x_gpe1_blk.addrl = 0x0;
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fadt->x_gpe1_blk.addrh = 0x0;
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header->checksum = table_compute_checksum(fadt, header->length);
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}
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static int acpi_create_madt_irq_overrides(u32 current)
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{
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struct acpi_madt_irqoverride *irqovr;
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u16 sci_flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH;
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int length = 0;
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irqovr = (void *)current;
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length += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0);
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irqovr = (void *)(current + length);
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length += acpi_create_madt_irqoverride(irqovr, 0, 9, 9, sci_flags);
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return length;
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}
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u32 acpi_fill_madt(u32 current)
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{
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current += acpi_create_madt_lapics(current);
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current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current,
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2, IO_APIC_ADDR, 0);
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current += acpi_create_madt_irq_overrides(current);
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return current;
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}
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