2015-05-06 00:07:29 +02:00
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2007-2009 coresystems GmbH
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* Copyright (C) 2013 Google Inc.
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2015-04-21 00:20:28 +02:00
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* Copyright (C) 2015 Intel Corp.
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2015-05-06 00:07:29 +02:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <arch/acpi.h>
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#include <arch/acpigen.h>
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2015-04-21 00:20:28 +02:00
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#include <arch/cpu.h>
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2015-05-06 00:07:29 +02:00
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#include <arch/io.h>
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#include <arch/smp/mpspec.h>
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2015-04-21 00:20:28 +02:00
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#include <cbfs.h>
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2015-05-06 00:07:29 +02:00
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#include <cbmem.h>
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#include <console/console.h>
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2015-07-01 00:25:44 +02:00
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#include <cpu/cpu.h>
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2015-04-21 00:20:28 +02:00
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#include <cpu/intel/turbo.h>
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2015-05-06 00:07:29 +02:00
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#include <cpu/x86/msr.h>
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2015-04-21 00:20:28 +02:00
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#include <cpu/x86/smm.h>
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2015-05-06 00:07:29 +02:00
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#include <cpu/x86/tsc.h>
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2015-04-21 00:20:28 +02:00
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <ec/google/chromeec/ec.h>
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2015-09-10 00:05:06 +02:00
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#include <fsp/gop.h>
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2015-07-02 20:55:18 +02:00
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#include <rules.h>
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2015-05-06 00:07:29 +02:00
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#include <soc/acpi.h>
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2015-04-21 00:20:28 +02:00
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#include <soc/gfx.h>
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2015-05-06 00:07:29 +02:00
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#include <soc/iomap.h>
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#include <soc/irq.h>
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#include <soc/msr.h>
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#include <soc/pattrs.h>
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2015-04-21 00:20:28 +02:00
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#include <soc/pci_devs.h>
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#include <soc/pm.h>
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#include <string.h>
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#include <types.h>
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2015-05-06 00:07:29 +02:00
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#include <vendorcode/google/chromeos/gnvs.h>
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#define MWAIT_RES(state, sub_state) \
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{ \
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.addrl = (((state) << 4) | (sub_state)), \
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.space_id = ACPI_ADDRESS_SPACE_FIXED, \
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.bit_width = ACPI_FFIXEDHW_VENDOR_INTEL, \
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.bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT, \
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.access_size = ACPI_FFIXEDHW_FLAG_HW_COORD, \
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}
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/* C-state map without S0ix */
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static acpi_cstate_t cstate_map[] = {
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{
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/* C1 */
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.ctype = 1, /* ACPI C1 */
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.latency = 1,
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.power = 1000,
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.resource = MWAIT_RES(0, 0),
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},
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{
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/* C6NS with no L2 shrink */
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/* NOTE: this substate is above CPUID limit */
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.ctype = 2, /* ACPI C2 */
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.latency = 500,
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.power = 10,
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.resource = MWAIT_RES(5, 1),
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},
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{
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/* C6FS with full L2 shrink */
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.ctype = 3, /* ACPI C3 */
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.latency = 1500, /* 1.5ms worst case */
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.power = 1,
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.resource = MWAIT_RES(5, 2),
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}
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};
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void acpi_init_gnvs(global_nvs_t *gnvs)
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{
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/* Set unknown wake source */
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gnvs->pm1i = -1;
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/* CPU core count */
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gnvs->pcnt = dev_count_cpu();
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/* Top of Low Memory (start of resource allocation) */
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gnvs->tolm = nc_read_top_of_low_memory();
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2015-04-21 00:20:28 +02:00
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#if IS_ENABLED(CONFIG_CONSOLE_CBMEM)
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2015-05-06 00:07:29 +02:00
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/* Update the mem console pointer. */
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gnvs->cbmc = (u32)cbmem_find(CBMEM_ID_CONSOLE);
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#endif
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2015-04-21 00:20:28 +02:00
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#if IS_ENABLED(CONFIG_CHROMEOS)
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2015-05-06 00:07:29 +02:00
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/* Initialize Verified Boot data */
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chromeos_init_vboot(&(gnvs->chromeos));
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2015-04-21 00:20:28 +02:00
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#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)
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2015-05-06 00:07:29 +02:00
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gnvs->chromeos.vbt2 = google_ec_running_ro() ?
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ACTIVE_ECFW_RO : ACTIVE_ECFW_RW;
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#endif
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#endif
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}
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static int acpi_sci_irq(void)
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{
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u32 *actl = (u32 *)(ILB_BASE_ADDRESS + ACTL);
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int scis;
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static int sci_irq;
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if (sci_irq)
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return sci_irq;
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/* Determine how SCI is routed. */
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scis = read32(actl) & SCIS_MASK;
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switch (scis) {
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case SCIS_IRQ9:
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case SCIS_IRQ10:
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case SCIS_IRQ11:
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sci_irq = scis - SCIS_IRQ9 + 9;
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break;
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case SCIS_IRQ20:
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case SCIS_IRQ21:
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case SCIS_IRQ22:
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case SCIS_IRQ23:
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sci_irq = scis - SCIS_IRQ20 + 20;
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break;
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default:
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printk(BIOS_DEBUG, "Invalid SCI route! Defaulting to IRQ9.\n");
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sci_irq = 9;
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break;
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}
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printk(BIOS_DEBUG, "SCI is IRQ%d\n", sci_irq);
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return sci_irq;
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}
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unsigned long acpi_fill_mcfg(unsigned long current)
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{
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current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *)current,
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MCFG_BASE_ADDRESS, 0, 0, 255);
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return current;
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}
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void acpi_fill_in_fadt(acpi_fadt_t *fadt)
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{
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const uint16_t pmbase = ACPI_BASE_ADDRESS;
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fadt->sci_int = acpi_sci_irq();
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fadt->smi_cmd = APM_CNT;
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fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
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fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
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fadt->s4bios_req = 0x0;
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fadt->pstate_cnt = 0;
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fadt->pm1a_evt_blk = pmbase + PM1_STS;
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fadt->pm1b_evt_blk = 0x0;
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fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
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fadt->pm1b_cnt_blk = 0x0;
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fadt->pm2_cnt_blk = pmbase + PM2A_CNT_BLK;
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fadt->pm_tmr_blk = pmbase + PM1_TMR;
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fadt->gpe0_blk = pmbase + GPE0_STS;
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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 = 2 * (GPE0_EN - GPE0_STS);
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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 = 1;
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fadt->p_lvl3_lat = 87;
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fadt->flush_size = 1024;
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fadt->flush_stride = 16;
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fadt->duty_offset = 1;
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fadt->duty_width = 0;
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fadt->day_alrm = 0xd;
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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_RESET_REGISTER | ACPI_FADT_SEALED_CASE |
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ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
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fadt->reset_reg.space_id = 1;
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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.resv = 0;
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fadt->reset_reg.addrl = 0xcf9;
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fadt->reset_reg.addrh = 0;
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fadt->reset_value = 6;
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fadt->x_pm1a_evt_blk.space_id = 1;
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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.resv = 0;
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fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
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fadt->x_pm1a_evt_blk.addrh = 0x0;
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fadt->x_pm1b_evt_blk.space_id = 1;
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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.resv = 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 = 1;
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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.resv = 0;
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fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
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fadt->x_pm1a_cnt_blk.addrh = 0x0;
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fadt->x_pm1b_cnt_blk.space_id = 1;
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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.resv = 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 = 1;
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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.resv = 0;
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fadt->x_pm2_cnt_blk.addrl = pmbase + PM2A_CNT_BLK;
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fadt->x_pm2_cnt_blk.addrh = 0x0;
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fadt->x_pm_tmr_blk.space_id = 1;
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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.resv = 0;
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fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
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fadt->x_pm_tmr_blk.addrh = 0x0;
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fadt->x_gpe0_blk.space_id = 1;
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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.resv = 0;
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fadt->x_gpe0_blk.addrl = pmbase + GPE0_STS;
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fadt->x_gpe0_blk.addrh = 0x0;
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fadt->x_gpe1_blk.space_id = 1;
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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.resv = 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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}
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2015-04-21 00:20:28 +02:00
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static acpi_tstate_t soc_tss_table[] = {
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2015-05-06 00:07:29 +02:00
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{ 100, 1000, 0, 0x00, 0 },
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{ 88, 875, 0, 0x1e, 0 },
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{ 75, 750, 0, 0x1c, 0 },
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{ 63, 625, 0, 0x1a, 0 },
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{ 50, 500, 0, 0x18, 0 },
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{ 38, 375, 0, 0x16, 0 },
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{ 25, 250, 0, 0x14, 0 },
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{ 13, 125, 0, 0x12, 0 },
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};
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2015-07-02 20:55:18 +02:00
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static void generate_t_state_entries(int core, int cores_per_package)
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2015-05-06 00:07:29 +02:00
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{
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/* Indicate SW_ALL coordination for T-states */
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2015-04-21 00:20:28 +02:00
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acpigen_write_TSD_package(core, cores_per_package, SW_ALL);
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2015-05-06 00:07:29 +02:00
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/* Indicate FFixedHW so OS will use MSR */
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2015-04-21 00:20:28 +02:00
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acpigen_write_empty_PTC();
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2015-05-06 00:07:29 +02:00
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/* Set NVS controlled T-state limit */
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2015-04-21 00:20:28 +02:00
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acpigen_write_TPC("\\TLVL");
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2015-05-06 00:07:29 +02:00
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/* Write TSS table for MSR access */
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2015-04-21 00:20:28 +02:00
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acpigen_write_TSS_package(
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ARRAY_SIZE(soc_tss_table), soc_tss_table);
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2015-05-06 00:07:29 +02:00
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}
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static int calculate_power(int tdp, int p1_ratio, int ratio)
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{
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u32 m;
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u32 power;
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/*
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* M = ((1.1 - ((p1_ratio - ratio) * 0.00625)) / 1.1) ^ 2
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*
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* Power = (ratio / p1_ratio) * m * tdp
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*/
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m = (110000 - ((p1_ratio - ratio) * 625)) / 11;
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m = (m * m) / 1000;
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power = ((ratio * 100000 / p1_ratio) / 100);
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power *= (m / 100) * (tdp / 1000);
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power /= 1000;
|
|
|
|
|
|
|
|
return (int)power;
|
|
|
|
}
|
|
|
|
|
2015-07-02 20:55:18 +02:00
|
|
|
static void generate_p_state_entries(int core, int cores_per_package)
|
2015-05-06 00:07:29 +02:00
|
|
|
{
|
|
|
|
int ratio_min, ratio_max, ratio_turbo, ratio_step, ratio_range_2;
|
|
|
|
int coord_type, power_max, power_unit, num_entries;
|
|
|
|
int ratio, power, clock, clock_max;
|
|
|
|
int vid, vid_turbo, vid_min, vid_max, vid_range_2;
|
|
|
|
u32 control_status;
|
|
|
|
const struct pattrs *pattrs = pattrs_get();
|
|
|
|
msr_t msr;
|
|
|
|
|
|
|
|
/* Inputs from CPU attributes */
|
|
|
|
ratio_max = pattrs->iacore_ratios[IACORE_MAX];
|
|
|
|
ratio_min = pattrs->iacore_ratios[IACORE_LFM];
|
|
|
|
vid_max = pattrs->iacore_vids[IACORE_MAX];
|
|
|
|
vid_min = pattrs->iacore_vids[IACORE_LFM];
|
|
|
|
|
|
|
|
/* Set P-states coordination type based on MSR disable bit */
|
|
|
|
coord_type = (pattrs->num_cpus > 2) ? SW_ALL : HW_ALL;
|
|
|
|
|
|
|
|
/* Max Non-Turbo Frequency */
|
|
|
|
clock_max = (ratio_max * pattrs->bclk_khz) / 1000;
|
|
|
|
|
|
|
|
/* Calculate CPU TDP in mW */
|
|
|
|
msr = rdmsr(MSR_PKG_POWER_SKU_UNIT);
|
|
|
|
power_unit = 1 << (msr.lo & 0xf);
|
|
|
|
msr = rdmsr(MSR_PKG_POWER_LIMIT);
|
|
|
|
power_max = ((msr.lo & 0x7fff) / power_unit) * 1000;
|
|
|
|
|
|
|
|
/* Write _PCT indicating use of FFixedHW */
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_write_empty_PCT();
|
2015-05-06 00:07:29 +02:00
|
|
|
|
|
|
|
/* Write _PPC with NVS specified limit on supported P-state */
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_write_PPC_NVS();
|
2015-05-06 00:07:29 +02:00
|
|
|
|
|
|
|
/* Write PSD indicating configured coordination type */
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_write_PSD_package(core, 1, coord_type);
|
2015-05-06 00:07:29 +02:00
|
|
|
|
|
|
|
/* Add P-state entries in _PSS table */
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_write_name("_PSS");
|
2015-05-06 00:07:29 +02:00
|
|
|
|
|
|
|
/* Determine ratio points */
|
|
|
|
ratio_step = 1;
|
|
|
|
num_entries = (ratio_max - ratio_min) / ratio_step;
|
|
|
|
while (num_entries > 15) { /* ACPI max is 15 ratios */
|
|
|
|
ratio_step <<= 1;
|
|
|
|
num_entries >>= 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* P[T] is Turbo state if enabled */
|
|
|
|
if (get_turbo_state() == TURBO_ENABLED) {
|
|
|
|
/* _PSS package count including Turbo */
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_write_package(num_entries + 2);
|
2015-05-06 00:07:29 +02:00
|
|
|
|
|
|
|
ratio_turbo = pattrs->iacore_ratios[IACORE_TURBO];
|
|
|
|
vid_turbo = pattrs->iacore_vids[IACORE_TURBO];
|
|
|
|
control_status = (ratio_turbo << 8) | vid_turbo;
|
|
|
|
|
|
|
|
/* Add entry for Turbo ratio */
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_write_PSS_package(
|
|
|
|
clock_max + 1, /* MHz */
|
|
|
|
power_max, /* mW */
|
|
|
|
10, /* lat1 */
|
|
|
|
10, /* lat2 */
|
|
|
|
control_status, /* control */
|
|
|
|
control_status); /* status */
|
2015-05-06 00:07:29 +02:00
|
|
|
} else {
|
|
|
|
/* _PSS package count without Turbo */
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_write_package(num_entries + 1);
|
2015-05-06 00:07:29 +02:00
|
|
|
ratio_turbo = ratio_max;
|
|
|
|
vid_turbo = vid_max;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* First regular entry is max non-turbo ratio */
|
|
|
|
control_status = (ratio_max << 8) | vid_max;
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_write_PSS_package(
|
|
|
|
clock_max, /* MHz */
|
|
|
|
power_max, /* mW */
|
|
|
|
10, /* lat1 */
|
|
|
|
10, /* lat2 */
|
|
|
|
control_status, /* control */
|
|
|
|
control_status); /* status */
|
2015-05-06 00:07:29 +02:00
|
|
|
|
|
|
|
/* Set up ratio and vid ranges for VID calculation */
|
|
|
|
ratio_range_2 = (ratio_turbo - ratio_min) * 2;
|
|
|
|
vid_range_2 = (vid_turbo - vid_min) * 2;
|
|
|
|
|
|
|
|
/* Generate the remaining entries */
|
|
|
|
for (ratio = ratio_min + ((num_entries - 1) * ratio_step);
|
|
|
|
ratio >= ratio_min; ratio -= ratio_step) {
|
|
|
|
|
|
|
|
/* Calculate VID for this ratio */
|
|
|
|
vid = ((ratio - ratio_min) * vid_range_2) /
|
|
|
|
ratio_range_2 + vid_min;
|
|
|
|
/* Round up if remainder */
|
|
|
|
if (((ratio - ratio_min) * vid_range_2) % ratio_range_2)
|
|
|
|
vid++;
|
|
|
|
|
|
|
|
/* Calculate power at this ratio */
|
|
|
|
power = calculate_power(power_max, ratio_max, ratio);
|
|
|
|
clock = (ratio * pattrs->bclk_khz) / 1000;
|
|
|
|
control_status = (ratio << 8) | (vid & 0xff);
|
|
|
|
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_write_PSS_package(
|
|
|
|
clock, /* MHz */
|
|
|
|
power, /* mW */
|
|
|
|
10, /* lat1 */
|
|
|
|
10, /* lat2 */
|
|
|
|
control_status, /* control */
|
|
|
|
control_status); /* status */
|
2015-05-06 00:07:29 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Fix package length */
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_pop_len();
|
2015-05-06 00:07:29 +02:00
|
|
|
}
|
|
|
|
|
2015-04-21 00:20:28 +02:00
|
|
|
void generate_cpu_entries(device_t device)
|
2015-05-06 00:07:29 +02:00
|
|
|
{
|
2015-04-21 00:20:28 +02:00
|
|
|
int core;
|
2015-05-06 00:07:29 +02:00
|
|
|
int pcontrol_blk = get_pmbase(), plen = 6;
|
|
|
|
const struct pattrs *pattrs = pattrs_get();
|
|
|
|
|
2015-04-21 00:20:28 +02:00
|
|
|
for (core = 0; core < pattrs->num_cpus; core++) {
|
2015-05-06 00:07:29 +02:00
|
|
|
if (core > 0) {
|
|
|
|
pcontrol_blk = 0;
|
|
|
|
plen = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Generate processor \_PR.CPUx */
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_write_processor(
|
2015-05-06 00:07:29 +02:00
|
|
|
core, pcontrol_blk, plen);
|
|
|
|
|
|
|
|
/* Generate P-state tables */
|
2015-07-02 20:55:18 +02:00
|
|
|
generate_p_state_entries(
|
2015-05-06 00:07:29 +02:00
|
|
|
core, pattrs->num_cpus);
|
|
|
|
|
|
|
|
/* Generate C-state tables */
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_write_CST_package(
|
2015-05-06 00:07:29 +02:00
|
|
|
cstate_map, ARRAY_SIZE(cstate_map));
|
|
|
|
|
|
|
|
/* Generate T-state tables */
|
2015-07-02 20:55:18 +02:00
|
|
|
generate_t_state_entries(
|
2015-05-06 00:07:29 +02:00
|
|
|
core, pattrs->num_cpus);
|
|
|
|
|
2015-04-21 00:20:28 +02:00
|
|
|
acpigen_pop_len();
|
2015-05-06 00:07:29 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
unsigned long acpi_madt_irq_overrides(unsigned long current)
|
|
|
|
{
|
|
|
|
int sci_irq = acpi_sci_irq();
|
|
|
|
acpi_madt_irqoverride_t *irqovr;
|
|
|
|
uint16_t sci_flags = MP_IRQ_TRIGGER_LEVEL;
|
|
|
|
|
|
|
|
/* INT_SRC_OVR */
|
|
|
|
irqovr = (void *)current;
|
|
|
|
current += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0);
|
|
|
|
|
|
|
|
if (sci_irq >= 20)
|
|
|
|
sci_flags |= MP_IRQ_POLARITY_LOW;
|
|
|
|
else
|
|
|
|
sci_flags |= MP_IRQ_POLARITY_HIGH;
|
|
|
|
|
|
|
|
irqovr = (void *)current;
|
|
|
|
current += acpi_create_madt_irqoverride(irqovr, 0, sci_irq, sci_irq,
|
2015-04-21 00:20:28 +02:00
|
|
|
sci_flags);
|
2015-05-06 00:07:29 +02:00
|
|
|
|
|
|
|
return current;
|
|
|
|
}
|
2015-04-21 00:20:28 +02:00
|
|
|
|
2015-07-01 00:25:44 +02:00
|
|
|
#define ALIGN_CURRENT current = (ALIGN(current, 16))
|
|
|
|
|
|
|
|
unsigned long southcluster_write_acpi_tables(device_t device,
|
|
|
|
unsigned long current,
|
|
|
|
struct acpi_rsdp *rsdp)
|
|
|
|
{
|
|
|
|
acpi_header_t *ssdt2;
|
|
|
|
|
|
|
|
current = acpi_write_hpet(device, current, rsdp);
|
|
|
|
ALIGN_CURRENT;
|
|
|
|
|
|
|
|
#if CONFIG_GOP_SUPPORT
|
|
|
|
igd_opregion_t *opregion;
|
|
|
|
|
|
|
|
printk(BIOS_DEBUG, "ACPI: * IGD OpRegion\n");
|
|
|
|
opregion = (igd_opregion_t *)current;
|
|
|
|
init_igd_opregion(opregion);
|
|
|
|
current += sizeof(igd_opregion_t);
|
|
|
|
ALIGN_CURRENT;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
ssdt2 = (acpi_header_t *)current;
|
|
|
|
memset(ssdt2, 0, sizeof(acpi_header_t));
|
|
|
|
acpi_create_serialio_ssdt(ssdt2);
|
|
|
|
if (ssdt2->length) {
|
|
|
|
current += ssdt2->length;
|
|
|
|
acpi_add_table(rsdp, ssdt2);
|
|
|
|
printk(BIOS_DEBUG, "ACPI: * SSDT2 @ %p Length %x\n",ssdt2,
|
|
|
|
ssdt2->length);
|
|
|
|
ALIGN_CURRENT;
|
|
|
|
} else {
|
|
|
|
ssdt2 = NULL;
|
|
|
|
printk(BIOS_DEBUG, "ACPI: * SSDT2 not generated.\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
printk(BIOS_DEBUG, "current = %lx\n", current);
|
|
|
|
|
|
|
|
return current;
|
|
|
|
}
|
|
|
|
|
|
|
|
void southcluster_inject_dsdt(device_t device)
|
|
|
|
{
|
|
|
|
global_nvs_t *gnvs;
|
|
|
|
|
|
|
|
gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS);
|
|
|
|
if (!gnvs) {
|
|
|
|
gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof (*gnvs));
|
|
|
|
if (gnvs)
|
|
|
|
memset(gnvs, 0, sizeof(*gnvs));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (gnvs) {
|
|
|
|
acpi_create_gnvs(gnvs);
|
|
|
|
acpi_save_gnvs((unsigned long)gnvs);
|
|
|
|
/* And tell SMI about it */
|
|
|
|
smm_setup_structures(gnvs, NULL, NULL);
|
|
|
|
|
|
|
|
/* Add it to DSDT. */
|
|
|
|
acpigen_write_scope("\\");
|
|
|
|
acpigen_write_name_dword("NVSA", (u32) gnvs);
|
|
|
|
acpigen_pop_len();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
__attribute__((weak)) void acpi_create_serialio_ssdt(acpi_header_t *ssdt)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2015-04-21 00:20:28 +02:00
|
|
|
#if CONFIG_GOP_SUPPORT
|
|
|
|
/* Reading VBT table from flash */
|
|
|
|
static void get_fsp_vbt(igd_opregion_t *opregion)
|
|
|
|
{
|
|
|
|
const optionrom_vbt_t *vbt;
|
|
|
|
uint32_t vbt_len;
|
|
|
|
|
|
|
|
vbt = fsp_get_vbt(&vbt_len);
|
|
|
|
if (!vbt)
|
|
|
|
die("vbt data not found");
|
|
|
|
memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild, 4);
|
|
|
|
memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size <
|
|
|
|
sizeof(opregion->vbt.gvd1) ? vbt->hdr_vbt_size :
|
|
|
|
sizeof(opregion->vbt.gvd1));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Initialize IGD OpRegion, called from ACPI code */
|
|
|
|
int init_igd_opregion(igd_opregion_t *opregion)
|
|
|
|
{
|
|
|
|
device_t igd;
|
|
|
|
u16 reg16;
|
|
|
|
|
|
|
|
memset(opregion, 0, sizeof(igd_opregion_t));
|
|
|
|
|
|
|
|
/* FIXME if IGD is disabled, we should exit here. */
|
|
|
|
|
|
|
|
memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE,
|
|
|
|
sizeof(IGD_OPREGION_SIGNATURE));
|
|
|
|
|
|
|
|
/* 8kb */
|
|
|
|
opregion->header.size = sizeof(igd_opregion_t) / 1024;
|
|
|
|
opregion->header.version = IGD_OPREGION_VERSION;
|
|
|
|
|
|
|
|
/* FIXME We just assume we're mobile for now */
|
|
|
|
opregion->header.mailboxes = MAILBOXES_MOBILE;
|
|
|
|
|
|
|
|
/* TODO Initialize Mailbox 1 */
|
|
|
|
|
|
|
|
/* TODO Initialize Mailbox 3 */
|
|
|
|
opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS;
|
|
|
|
opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH;
|
|
|
|
opregion->mailbox3.pcft = 0; /* should be (IMON << 1) & 0x3e */
|
|
|
|
opregion->mailbox3.cblv = IGD_FIELD_VALID | IGD_INITIAL_BRIGHTNESS;
|
|
|
|
opregion->mailbox3.bclm[0] = IGD_WORD_FIELD_VALID + 0x0000;
|
|
|
|
opregion->mailbox3.bclm[1] = IGD_WORD_FIELD_VALID + 0x0a19;
|
|
|
|
opregion->mailbox3.bclm[2] = IGD_WORD_FIELD_VALID + 0x1433;
|
|
|
|
opregion->mailbox3.bclm[3] = IGD_WORD_FIELD_VALID + 0x1e4c;
|
|
|
|
opregion->mailbox3.bclm[4] = IGD_WORD_FIELD_VALID + 0x2866;
|
|
|
|
opregion->mailbox3.bclm[5] = IGD_WORD_FIELD_VALID + 0x327f;
|
|
|
|
opregion->mailbox3.bclm[6] = IGD_WORD_FIELD_VALID + 0x3c99;
|
|
|
|
opregion->mailbox3.bclm[7] = IGD_WORD_FIELD_VALID + 0x46b2;
|
|
|
|
opregion->mailbox3.bclm[8] = IGD_WORD_FIELD_VALID + 0x50cc;
|
|
|
|
opregion->mailbox3.bclm[9] = IGD_WORD_FIELD_VALID + 0x5ae5;
|
|
|
|
opregion->mailbox3.bclm[10] = IGD_WORD_FIELD_VALID + 0x64ff;
|
|
|
|
|
|
|
|
get_fsp_vbt(opregion);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* TODO This needs to happen in S3 resume, too.
|
|
|
|
* Maybe it should move to the finalize handler
|
|
|
|
*/
|
|
|
|
igd = dev_find_slot(0, PCI_DEVFN(GFX_DEV, GFX_FUNC));
|
|
|
|
|
|
|
|
pci_write_config32(igd, ASLS, (u32)opregion);
|
|
|
|
reg16 = pci_read_config16(igd, SWSCI);
|
|
|
|
reg16 &= ~(1 << 0);
|
|
|
|
reg16 |= (1 << 15);
|
|
|
|
pci_write_config16(igd, SWSCI, reg16);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif
|