2012-10-30 15:03:43 +01:00
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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) 2008-2009 coresystems GmbH
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2013-03-09 02:00:37 +01:00
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* Copyright 2013 Google Inc.
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2012-10-30 15:03:43 +01:00
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of
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* 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <pc80/mc146818rtc.h>
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#include <pc80/isa-dma.h>
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#include <pc80/i8259.h>
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#include <arch/io.h>
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#include <arch/ioapic.h>
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#include <arch/acpi.h>
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#include <cpu/cpu.h>
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2012-12-22 04:21:48 +01:00
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#include <cpu/x86/smm.h>
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2012-10-30 15:03:43 +01:00
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#include <elog.h>
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2013-03-22 19:08:39 +01:00
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#include <cbmem.h>
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#include <string.h>
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#include "nvs.h"
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2012-10-30 15:03:43 +01:00
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#include "pch.h"
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#define NMI_OFF 0
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#define ENABLE_ACPI_MODE_IN_COREBOOT 0
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typedef struct southbridge_intel_lynxpoint_config config_t;
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static void pch_enable_apic(struct device *dev)
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{
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int i;
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u32 reg32;
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volatile u32 *ioapic_index = (volatile u32 *)(IO_APIC_ADDR);
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volatile u32 *ioapic_data = (volatile u32 *)(IO_APIC_ADDR + 0x10);
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/* Enable ACPI I/O and power management.
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* Set SCI IRQ to IRQ9
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*/
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pci_write_config8(dev, ACPI_CNTL, 0x80);
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*ioapic_index = 0;
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2013-04-23 13:00:34 +02:00
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*ioapic_data = (2 << 24);
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2012-10-30 15:03:43 +01:00
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/* affirm full set of redirection table entries ("write once") */
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*ioapic_index = 1;
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reg32 = *ioapic_data;
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*ioapic_index = 1;
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*ioapic_data = reg32;
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*ioapic_index = 0;
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reg32 = *ioapic_data;
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printk(BIOS_DEBUG, "Southbridge APIC ID = %x\n", (reg32 >> 24) & 0x0f);
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if (reg32 != (1 << 25))
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die("APIC Error\n");
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printk(BIOS_SPEW, "Dumping IOAPIC registers\n");
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for (i=0; i<3; i++) {
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*ioapic_index = i;
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printk(BIOS_SPEW, " reg 0x%04x:", i);
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reg32 = *ioapic_data;
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printk(BIOS_SPEW, " 0x%08x\n", reg32);
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}
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*ioapic_index = 3; /* Select Boot Configuration register. */
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*ioapic_data = 1; /* Use Processor System Bus to deliver interrupts. */
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}
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static void pch_enable_serial_irqs(struct device *dev)
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{
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/* Set packet length and toggle silent mode bit for one frame. */
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pci_write_config8(dev, SERIRQ_CNTL,
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(1 << 7) | (1 << 6) | ((21 - 17) << 2) | (0 << 0));
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#if !CONFIG_SERIRQ_CONTINUOUS_MODE
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pci_write_config8(dev, SERIRQ_CNTL,
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(1 << 7) | (0 << 6) | ((21 - 17) << 2) | (0 << 0));
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#endif
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}
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/* PIRQ[n]_ROUT[3:0] - PIRQ Routing Control
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* 0x00 - 0000 = Reserved
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* 0x01 - 0001 = Reserved
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* 0x02 - 0010 = Reserved
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* 0x03 - 0011 = IRQ3
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* 0x04 - 0100 = IRQ4
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* 0x05 - 0101 = IRQ5
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* 0x06 - 0110 = IRQ6
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* 0x07 - 0111 = IRQ7
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* 0x08 - 1000 = Reserved
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* 0x09 - 1001 = IRQ9
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* 0x0A - 1010 = IRQ10
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* 0x0B - 1011 = IRQ11
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* 0x0C - 1100 = IRQ12
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* 0x0D - 1101 = Reserved
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* 0x0E - 1110 = IRQ14
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* 0x0F - 1111 = IRQ15
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* PIRQ[n]_ROUT[7] - PIRQ Routing Control
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* 0x80 - The PIRQ is not routed.
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*/
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static void pch_pirq_init(device_t dev)
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{
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device_t irq_dev;
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/* Get the chip configuration */
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config_t *config = dev->chip_info;
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pci_write_config8(dev, PIRQA_ROUT, config->pirqa_routing);
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pci_write_config8(dev, PIRQB_ROUT, config->pirqb_routing);
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pci_write_config8(dev, PIRQC_ROUT, config->pirqc_routing);
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pci_write_config8(dev, PIRQD_ROUT, config->pirqd_routing);
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pci_write_config8(dev, PIRQE_ROUT, config->pirqe_routing);
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pci_write_config8(dev, PIRQF_ROUT, config->pirqf_routing);
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pci_write_config8(dev, PIRQG_ROUT, config->pirqg_routing);
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pci_write_config8(dev, PIRQH_ROUT, config->pirqh_routing);
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/* Eric Biederman once said we should let the OS do this.
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* I am not so sure anymore he was right.
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*/
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for(irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) {
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u8 int_pin=0, int_line=0;
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if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI)
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continue;
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int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN);
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switch (int_pin) {
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case 1: /* INTA# */ int_line = config->pirqa_routing; break;
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case 2: /* INTB# */ int_line = config->pirqb_routing; break;
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case 3: /* INTC# */ int_line = config->pirqc_routing; break;
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case 4: /* INTD# */ int_line = config->pirqd_routing; break;
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}
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if (!int_line)
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continue;
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pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, int_line);
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}
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}
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static void pch_gpi_routing(device_t dev)
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{
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/* Get the chip configuration */
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config_t *config = dev->chip_info;
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u32 reg32 = 0;
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/* An array would be much nicer here, or some
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* other method of doing this.
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*/
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reg32 |= (config->gpi0_routing & 0x03) << 0;
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reg32 |= (config->gpi1_routing & 0x03) << 2;
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reg32 |= (config->gpi2_routing & 0x03) << 4;
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reg32 |= (config->gpi3_routing & 0x03) << 6;
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reg32 |= (config->gpi4_routing & 0x03) << 8;
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reg32 |= (config->gpi5_routing & 0x03) << 10;
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reg32 |= (config->gpi6_routing & 0x03) << 12;
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reg32 |= (config->gpi7_routing & 0x03) << 14;
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reg32 |= (config->gpi8_routing & 0x03) << 16;
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reg32 |= (config->gpi9_routing & 0x03) << 18;
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reg32 |= (config->gpi10_routing & 0x03) << 20;
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reg32 |= (config->gpi11_routing & 0x03) << 22;
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reg32 |= (config->gpi12_routing & 0x03) << 24;
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reg32 |= (config->gpi13_routing & 0x03) << 26;
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reg32 |= (config->gpi14_routing & 0x03) << 28;
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reg32 |= (config->gpi15_routing & 0x03) << 30;
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pci_write_config32(dev, 0xb8, reg32);
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}
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static void pch_power_options(device_t dev)
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{
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u8 reg8;
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2013-03-09 02:00:37 +01:00
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u16 reg16;
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2012-10-30 15:03:43 +01:00
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u32 reg32;
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const char *state;
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/* Get the chip configuration */
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config_t *config = dev->chip_info;
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2013-03-09 02:00:37 +01:00
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u16 pmbase = get_pmbase();
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2012-10-30 15:03:43 +01:00
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int pwr_on=CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
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int nmi_option;
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/* Which state do we want to goto after g3 (power restored)?
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* 0 == S0 Full On
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* 1 == S5 Soft Off
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*
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* If the option is not existent (Laptops), use Kconfig setting.
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*/
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get_option(&pwr_on, "power_on_after_fail");
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reg16 = pci_read_config16(dev, GEN_PMCON_3);
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reg16 &= 0xfffe;
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switch (pwr_on) {
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case MAINBOARD_POWER_OFF:
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reg16 |= 1;
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state = "off";
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break;
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case MAINBOARD_POWER_ON:
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reg16 &= ~1;
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state = "on";
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break;
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case MAINBOARD_POWER_KEEP:
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reg16 &= ~1;
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state = "state keep";
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break;
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default:
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state = "undefined";
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}
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reg16 &= ~(3 << 4); /* SLP_S4# Assertion Stretch 4s */
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reg16 |= (1 << 3); /* SLP_S4# Assertion Stretch Enable */
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reg16 &= ~(1 << 10);
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reg16 |= (1 << 11); /* SLP_S3# Min Assertion Width 50ms */
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reg16 |= (1 << 12); /* Disable SLP stretch after SUS well */
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pci_write_config16(dev, GEN_PMCON_3, reg16);
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printk(BIOS_INFO, "Set power %s after power failure.\n", state);
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/* Set up NMI on errors. */
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reg8 = inb(0x61);
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reg8 &= 0x0f; /* Higher Nibble must be 0 */
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reg8 &= ~(1 << 3); /* IOCHK# NMI Enable */
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// reg8 &= ~(1 << 2); /* PCI SERR# Enable */
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reg8 |= (1 << 2); /* PCI SERR# Disable for now */
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outb(reg8, 0x61);
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reg8 = inb(0x70);
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nmi_option = NMI_OFF;
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get_option(&nmi_option, "nmi");
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if (nmi_option) {
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printk(BIOS_INFO, "NMI sources enabled.\n");
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reg8 &= ~(1 << 7); /* Set NMI. */
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} else {
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printk(BIOS_INFO, "NMI sources disabled.\n");
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reg8 |= ( 1 << 7); /* Can't mask NMI from PCI-E and NMI_NOW */
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}
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outb(reg8, 0x70);
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/* Enable CPU_SLP# and Intel Speedstep, set SMI# rate down */
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reg16 = pci_read_config16(dev, GEN_PMCON_1);
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reg16 &= ~(3 << 0); // SMI# rate 1 minute
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reg16 &= ~(1 << 10); // Disable BIOS_PCI_EXP_EN for native PME
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pci_write_config16(dev, GEN_PMCON_1, reg16);
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2013-03-09 02:00:37 +01:00
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/*
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* Set the board's GPI routing on LynxPoint-H.
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* This is done as part of GPIO configuration on LynxPoint-LP.
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*/
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if (pch_is_lp())
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pch_gpi_routing(dev);
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2012-10-30 15:03:43 +01:00
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2013-03-09 02:00:37 +01:00
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/* GPE setup based on device tree configuration */
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enable_all_gpe(config->gpe0_en_1, config->gpe0_en_2,
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config->gpe0_en_3, config->gpe0_en_4);
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2012-10-30 15:03:43 +01:00
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2013-03-09 02:00:37 +01:00
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/* SMI setup based on device tree configuration */
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enable_alt_smi(config->alt_gp_smi_en);
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2012-10-30 15:03:43 +01:00
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/* Set up power management block and determine sleep mode */
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reg32 = inl(pmbase + 0x04); // PM1_CNT
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reg32 &= ~(7 << 10); // SLP_TYP
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reg32 |= (1 << 0); // SCI_EN
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outl(reg32, pmbase + 0x04);
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/* Clear magic status bits to prevent unexpected wake */
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reg32 = RCBA32(0x3310);
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reg32 |= (1 << 4)|(1 << 5)|(1 << 0);
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RCBA32(0x3310) = reg32;
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reg32 = RCBA32(0x3f02);
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reg32 &= ~0xf;
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RCBA32(0x3f02) = reg32;
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}
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static void pch_rtc_init(struct device *dev)
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{
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u8 reg8;
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int rtc_failed;
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reg8 = pci_read_config8(dev, GEN_PMCON_3);
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rtc_failed = reg8 & RTC_BATTERY_DEAD;
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if (rtc_failed) {
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reg8 &= ~RTC_BATTERY_DEAD;
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pci_write_config8(dev, GEN_PMCON_3, reg8);
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#if CONFIG_ELOG
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elog_add_event(ELOG_TYPE_RTC_RESET);
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#endif
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}
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printk(BIOS_DEBUG, "rtc_failed = 0x%x\n", rtc_failed);
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rtc_init(rtc_failed);
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}
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2013-03-09 02:22:37 +01:00
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/* LynxPoint PCH Power Management init */
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static void lpt_pm_init(struct device *dev)
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2012-10-30 15:03:43 +01:00
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{
|
2013-03-09 02:22:37 +01:00
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printk(BIOS_DEBUG, "LynxPoint PM init\n");
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}
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const struct rcba_config_instruction lpt_lp_pm_rcba[] = {
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RCBA_RMW_REG_32(0x232c, ~1, 0x00000000), /* 4 */
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RCBA_RMW_REG_32(0x1100, ~0, 0x0000c000), /* 5 */
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RCBA_RMW_REG_32(0x1100, ~0, 0x00000100), /* 6 */
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RCBA_RMW_REG_32(0x1100, ~0, 0x0000003f), /* 7 */
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RCBA_RMW_REG_32(0x2320, ~0x60, 0x10), /* 8? */
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|
|
RCBA_RMW_REG_32(0x3314, 0, 0x00012fff), /* 9? */
|
|
|
|
RCBA_RMW_REG_32(0x3318, 0, 0x0dcf0400), /* 10? */
|
|
|
|
RCBA_RMW_REG_32(0x3324, 0, 0x04000000), /* 11 */
|
|
|
|
RCBA_RMW_REG_32(0x3368, 0, 0x00041400), /* 12? */
|
|
|
|
RCBA_RMW_REG_32(0x3388, 0, 0x3f8ddbff), /* 13? */
|
|
|
|
RCBA_RMW_REG_32(0x33ac, 0, 0x00007001), /* 14? */
|
|
|
|
RCBA_RMW_REG_32(0x33b0, 0, 0x00181900), /* 15? */
|
|
|
|
RCBA_RMW_REG_32(0x33c0, 0, 0x00060A00), /* 16? */
|
|
|
|
RCBA_RMW_REG_32(0x33d0, 0, 0x06200840), /* 17? */
|
|
|
|
RCBA_RMW_REG_32(0x3a28, 0, 0x01010101), /* 19 */
|
|
|
|
RCBA_RMW_REG_32(0x3a2c, 0, 0x04040404), /* 20 */
|
|
|
|
RCBA_RMW_REG_32(0x2b1c, 0, 0x03808033), /* 23? */
|
|
|
|
RCBA_RMW_REG_32(0x2b34, 0, 0x80000008), /* 24 */
|
|
|
|
RCBA_RMW_REG_32(0x3348, 0, 0x022ddfff), /* 25? */
|
|
|
|
RCBA_RMW_REG_32(0x334c, 0, 0x00000001), /* 26 */
|
|
|
|
RCBA_RMW_REG_32(0x3358, 0, 0x0001c000), /* 27 */
|
|
|
|
RCBA_RMW_REG_32(0x3380, 0, 0x3f8ddbff), /* 28 */
|
|
|
|
RCBA_RMW_REG_32(0x3384, 0, 0x0001c7e1), /* 29 */
|
|
|
|
RCBA_RMW_REG_32(0x338c, 0, 0x0001c7e1), /* ? */
|
|
|
|
RCBA_RMW_REG_32(0x3398, 0, 0x0001c000), /* 30 */
|
|
|
|
RCBA_RMW_REG_32(0x33a8, 0, 0x00181900), /* 31? */
|
|
|
|
RCBA_RMW_REG_32(0x33dc, 0, 0x00080000), /* 32 */
|
|
|
|
RCBA_RMW_REG_32(0x33e0, 0, 0x00000001), /* 33 */
|
|
|
|
RCBA_RMW_REG_32(0x3a20, 0, 0x00000404), /* 34 */
|
|
|
|
RCBA_RMW_REG_32(0x3a24, 0, 0x01010101), /* 35 */
|
|
|
|
RCBA_RMW_REG_32(0x3a30, 0, 0x01010101), /* 36 */
|
|
|
|
RCBA_RMW_REG_32(0x0410, ~0, 0x00000003), /* 42 */
|
|
|
|
RCBA_RMW_REG_32(0x2618, ~0, 0x08000000), /* 43 */
|
|
|
|
RCBA_RMW_REG_32(0x2600, ~0, 0x00000008), /* 44 */
|
|
|
|
RCBA_RMW_REG_32(0x33b4, 0, 0x00007001), /* 46? */
|
|
|
|
RCBA_RMW_REG_32(0x3350, 0, 0x022ddfff), /* 47? */
|
|
|
|
RCBA_RMW_REG_32(0x3354, 0, 0x00000001), /* ? */
|
|
|
|
RCBA_RMW_REG_32(0x33d4, ~0, 0x08000000), /* Power Optimizer */
|
|
|
|
RCBA_RMW_REG_32(0x33c8, ~0, 0x08000080), /* Power Optimizer */
|
|
|
|
RCBA_RMW_REG_32(0x2b10, 0, 0x0000883c), /* Power Optimizer */
|
|
|
|
RCBA_RMW_REG_32(0x2b14, 0, 0x1e0a4610), /* Power Optimizer */
|
|
|
|
RCBA_RMW_REG_32(0x2b24, 0, 0x40000005), /* Power Optimizer */
|
|
|
|
RCBA_RMW_REG_32(0x2b20, 0, 0x0005db01), /* Power Optimizer */
|
|
|
|
RCBA_RMW_REG_32(0x3a80, 0, 0x05145005), /* 21? */
|
|
|
|
RCBA_END_CONFIG
|
|
|
|
};
|
|
|
|
|
|
|
|
/* LynxPoint LP PCH Power Management init */
|
|
|
|
static void lpt_lp_pm_init(struct device *dev)
|
|
|
|
{
|
|
|
|
struct southbridge_intel_lynxpoint_config *config = dev->chip_info;
|
|
|
|
u32 data;
|
|
|
|
|
|
|
|
printk(BIOS_DEBUG, "LynxPoint LP PM init\n");
|
|
|
|
|
|
|
|
pci_write_config8(dev, 0xa9, 0x46);
|
|
|
|
|
|
|
|
pch_config_rcba(lpt_lp_pm_rcba);
|
|
|
|
|
|
|
|
pci_write_config32(dev, 0xac,
|
|
|
|
pci_read_config32(dev, 0xac) | (1 << 21));
|
|
|
|
|
|
|
|
pch_iobp_update(0xCA000000, ~0UL, 0x00000009);
|
|
|
|
|
|
|
|
/* Set RCBA CIR28 0x3A84 based on SATA port enables */
|
|
|
|
data = 0x00001005;
|
|
|
|
/* Port 3 and 2 disabled */
|
|
|
|
if ((config->sata_port_map & ((1 << 3)|(1 << 2))) == 0)
|
|
|
|
data |= (1 << 24) | (1 << 26);
|
|
|
|
/* Port 1 and 0 disabled */
|
|
|
|
if ((config->sata_port_map & ((1 << 1)|(1 << 0))) == 0)
|
|
|
|
data |= (1 << 20) | (1 << 18);
|
|
|
|
RCBA32(0x3a84) = data;
|
|
|
|
|
|
|
|
/* Lock */
|
|
|
|
RCBA32_OR(0x3a6c, 0x00000001);
|
|
|
|
|
|
|
|
/* Set RCBA 0x33D4 after other setup */
|
|
|
|
RCBA32_OR(0x33d4, 0x2fff2fb1);
|
|
|
|
|
|
|
|
/* Set RCBA 0x33C8[15]=1 as last step */
|
|
|
|
RCBA32_OR(0x33c8, (1 << 15));
|
2012-10-30 15:03:43 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
static void enable_hpet(void)
|
|
|
|
{
|
|
|
|
u32 reg32;
|
|
|
|
|
|
|
|
/* Move HPET to default address 0xfed00000 and enable it */
|
|
|
|
reg32 = RCBA32(HPTC);
|
|
|
|
reg32 |= (1 << 7); // HPET Address Enable
|
|
|
|
reg32 &= ~(3 << 0);
|
|
|
|
RCBA32(HPTC) = reg32;
|
|
|
|
/* Read it back to stick. It's affected by posted write syndrome. */
|
|
|
|
reg32 = RCBA32(HPTC);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void enable_clock_gating(device_t dev)
|
|
|
|
{
|
2013-03-09 02:22:37 +01:00
|
|
|
/* LynxPoint Mobile */
|
|
|
|
u32 reg32;
|
|
|
|
u16 reg16;
|
|
|
|
|
|
|
|
/* DMI */
|
|
|
|
RCBA32_AND_OR(0x2234, ~0UL, 0xf);
|
|
|
|
reg16 = pci_read_config16(dev, GEN_PMCON_1);
|
|
|
|
reg16 |= (1 << 11) | (1 << 12) | (1 << 14);
|
|
|
|
reg16 |= (1 << 2); // PCI CLKRUN# Enable
|
|
|
|
pci_write_config16(dev, GEN_PMCON_1, reg16);
|
|
|
|
RCBA32_OR(0x900, (1 << 14));
|
|
|
|
|
|
|
|
reg32 = RCBA32(CG);
|
|
|
|
reg32 |= (1 << 22); // HDA Dynamic
|
|
|
|
reg32 |= (1 << 31); // LPC Dynamic
|
|
|
|
reg32 |= (1 << 16); // PCIe Dynamic
|
|
|
|
reg32 |= (1 << 27); // HPET Dynamic
|
|
|
|
reg32 |= (1 << 28); // GPIO Dynamic
|
|
|
|
RCBA32(CG) = reg32;
|
|
|
|
|
|
|
|
RCBA32_OR(0x38c0, 0x7); // SPI Dynamic
|
|
|
|
}
|
|
|
|
|
|
|
|
static void enable_lp_clock_gating(device_t dev)
|
|
|
|
{
|
2012-12-17 20:31:40 +01:00
|
|
|
/* LynxPoint LP */
|
2012-10-30 15:03:43 +01:00
|
|
|
u32 reg32;
|
|
|
|
u16 reg16;
|
|
|
|
|
2012-12-17 20:31:40 +01:00
|
|
|
/* DMI */
|
2012-10-30 15:03:43 +01:00
|
|
|
RCBA32_AND_OR(0x2234, ~0UL, 0xf);
|
|
|
|
reg16 = pci_read_config16(dev, GEN_PMCON_1);
|
2012-12-17 20:31:40 +01:00
|
|
|
reg16 &= ~((1 << 11) | (1 << 14));
|
|
|
|
reg16 |= (1 << 5) | (1 << 6) | (1 << 7) | (1 << 12) | (1 << 13);
|
|
|
|
reg16 |= (1 << 2); // PCI CLKRUN# Enable
|
2012-10-30 15:03:43 +01:00
|
|
|
pci_write_config16(dev, GEN_PMCON_1, reg16);
|
|
|
|
|
2012-12-17 20:31:40 +01:00
|
|
|
reg32 = pci_read_config32(dev, 0x64);
|
|
|
|
reg32 |= (1 << 6);
|
|
|
|
pci_write_config32(dev, 0x64, reg32);
|
|
|
|
|
2013-03-09 02:22:37 +01:00
|
|
|
RCBA32_AND_OR(0x2614, 0x8bffffff, 0x0a206500);
|
2012-12-17 20:31:40 +01:00
|
|
|
RCBA32_OR(0x900, 0x0000031f);
|
2012-10-30 15:03:43 +01:00
|
|
|
|
|
|
|
reg32 = RCBA32(CG);
|
2013-03-22 19:24:45 +01:00
|
|
|
if (RCBA32(0x3454) & (1 << 4))
|
|
|
|
reg32 &= ~(1 << 29); // LPC Dynamic
|
|
|
|
else
|
|
|
|
reg32 |= (1 << 29); // LPC Dynamic
|
2012-12-17 20:31:40 +01:00
|
|
|
reg32 |= (1 << 30); // LP LPC
|
|
|
|
reg32 |= (1 << 28); // GPIO Dynamic
|
|
|
|
reg32 |= (1 << 27); // HPET Dynamic
|
|
|
|
reg32 |= (1 << 26); // LP LPC
|
|
|
|
reg32 |= (1 << 22); // HDA Dynamic
|
|
|
|
reg32 |= (1 << 16); // PCIe Dynamic
|
2012-10-30 15:03:43 +01:00
|
|
|
RCBA32(CG) = reg32;
|
|
|
|
|
2012-12-17 20:31:40 +01:00
|
|
|
RCBA32_OR(0x3434, 0x7); // LP LPC
|
|
|
|
|
2013-03-09 02:22:37 +01:00
|
|
|
RCBA32_AND_OR(0x333c, 0xffcfffff, 0x00c00000); // SATA
|
2012-12-17 20:31:40 +01:00
|
|
|
|
|
|
|
RCBA32_OR(0x38c0, 0x3c07); // SPI Dynamic
|
|
|
|
|
|
|
|
pch_iobp_update(0xCF000000, ~0UL, 0x00007001);
|
|
|
|
pch_iobp_update(0xCE00C000, ~0UL, 0x00000001);
|
2012-10-30 15:03:43 +01:00
|
|
|
}
|
|
|
|
|
2012-12-22 04:21:48 +01:00
|
|
|
static void pch_set_acpi_mode(void)
|
2012-10-30 15:03:43 +01:00
|
|
|
{
|
2012-12-22 04:21:48 +01:00
|
|
|
#if CONFIG_HAVE_SMI_HANDLER
|
2012-10-30 15:03:43 +01:00
|
|
|
if (acpi_slp_type != 3) {
|
|
|
|
#if ENABLE_ACPI_MODE_IN_COREBOOT
|
|
|
|
printk(BIOS_DEBUG, "Enabling ACPI via APMC:\n");
|
2012-12-22 04:21:48 +01:00
|
|
|
outb(APM_CNT_ACPI_ENABLE, APM_CNT);
|
2012-10-30 15:03:43 +01:00
|
|
|
printk(BIOS_DEBUG, "done.\n");
|
|
|
|
#else
|
|
|
|
printk(BIOS_DEBUG, "Disabling ACPI via APMC:\n");
|
2012-12-22 04:21:48 +01:00
|
|
|
outb(APM_CNT_ACPI_DISABLE, APM_CNT);
|
2012-10-30 15:03:43 +01:00
|
|
|
printk(BIOS_DEBUG, "done.\n");
|
|
|
|
#endif
|
|
|
|
}
|
2012-12-22 04:21:48 +01:00
|
|
|
#endif /* CONFIG_HAVE_SMI_HANDLER */
|
2012-10-30 15:03:43 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
static void pch_disable_smm_only_flashing(struct device *dev)
|
|
|
|
{
|
|
|
|
u8 reg8;
|
|
|
|
|
|
|
|
printk(BIOS_SPEW, "Enabling BIOS updates outside of SMM... ");
|
|
|
|
reg8 = pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
|
|
|
|
reg8 &= ~(1 << 5);
|
|
|
|
pci_write_config8(dev, 0xdc, reg8);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void pch_fixups(struct device *dev)
|
|
|
|
{
|
|
|
|
u8 gen_pmcon_2;
|
|
|
|
|
|
|
|
/* Indicate DRAM init done for MRC S3 to know it can resume */
|
|
|
|
gen_pmcon_2 = pci_read_config8(dev, GEN_PMCON_2);
|
|
|
|
gen_pmcon_2 |= (1 << 7);
|
|
|
|
pci_write_config8(dev, GEN_PMCON_2, gen_pmcon_2);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Enable DMI ASPM in the PCH
|
|
|
|
*/
|
|
|
|
RCBA32_AND_OR(0x2304, ~(1 << 10), 0);
|
|
|
|
RCBA32_OR(0x21a4, (1 << 11)|(1 << 10));
|
|
|
|
RCBA32_OR(0x21a8, 0x3);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void pch_decode_init(struct device *dev)
|
|
|
|
{
|
|
|
|
config_t *config = dev->chip_info;
|
|
|
|
|
|
|
|
printk(BIOS_DEBUG, "pch_decode_init\n");
|
|
|
|
|
|
|
|
pci_write_config32(dev, LPC_GEN1_DEC, config->gen1_dec);
|
|
|
|
pci_write_config32(dev, LPC_GEN2_DEC, config->gen2_dec);
|
|
|
|
pci_write_config32(dev, LPC_GEN3_DEC, config->gen3_dec);
|
|
|
|
pci_write_config32(dev, LPC_GEN4_DEC, config->gen4_dec);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void lpc_init(struct device *dev)
|
|
|
|
{
|
|
|
|
printk(BIOS_DEBUG, "pch: lpc_init\n");
|
|
|
|
|
|
|
|
/* Set the value for PCI command register. */
|
|
|
|
pci_write_config16(dev, PCI_COMMAND, 0x000f);
|
|
|
|
|
|
|
|
/* IO APIC initialization. */
|
|
|
|
pch_enable_apic(dev);
|
|
|
|
|
|
|
|
pch_enable_serial_irqs(dev);
|
|
|
|
|
|
|
|
/* Setup the PIRQ. */
|
|
|
|
pch_pirq_init(dev);
|
|
|
|
|
|
|
|
/* Setup power options. */
|
|
|
|
pch_power_options(dev);
|
|
|
|
|
|
|
|
/* Initialize power management */
|
2013-03-09 02:22:37 +01:00
|
|
|
if (pch_is_lp()) {
|
|
|
|
lpt_lp_pm_init(dev);
|
|
|
|
enable_lp_clock_gating(dev);
|
|
|
|
} else {
|
|
|
|
lpt_pm_init(dev);
|
|
|
|
enable_clock_gating(dev);
|
2012-10-30 15:03:43 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Initialize the real time clock. */
|
|
|
|
pch_rtc_init(dev);
|
|
|
|
|
|
|
|
/* Initialize ISA DMA. */
|
|
|
|
isa_dma_init();
|
|
|
|
|
|
|
|
/* Initialize the High Precision Event Timers, if present. */
|
|
|
|
enable_hpet();
|
|
|
|
|
|
|
|
setup_i8259();
|
|
|
|
|
|
|
|
/* Interrupt 9 should be level triggered (SCI) */
|
|
|
|
i8259_configure_irq_trigger(9, 1);
|
|
|
|
|
|
|
|
pch_disable_smm_only_flashing(dev);
|
|
|
|
|
2012-12-22 04:21:48 +01:00
|
|
|
pch_set_acpi_mode();
|
2012-10-30 15:03:43 +01:00
|
|
|
|
|
|
|
pch_fixups(dev);
|
|
|
|
}
|
|
|
|
|
2012-12-19 21:38:01 +01:00
|
|
|
static void pch_lpc_add_mmio_resources(device_t dev)
|
2012-10-30 15:03:43 +01:00
|
|
|
{
|
2012-12-19 21:38:01 +01:00
|
|
|
u32 reg;
|
2012-10-30 15:03:43 +01:00
|
|
|
struct resource *res;
|
2012-12-19 21:38:01 +01:00
|
|
|
const u32 default_decode_base = IO_APIC_ADDR;
|
2012-10-30 15:03:43 +01:00
|
|
|
|
2012-12-19 21:38:01 +01:00
|
|
|
/*
|
|
|
|
* Just report all resources from IO-APIC base to 4GiB. Don't mark
|
|
|
|
* them reserved as that may upset the OS if this range is marked
|
|
|
|
* as reserved in the e820.
|
|
|
|
*/
|
|
|
|
res = new_resource(dev, OIC);
|
|
|
|
res->base = default_decode_base;
|
|
|
|
res->size = 0 - default_decode_base;
|
2012-10-30 15:03:43 +01:00
|
|
|
res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
|
|
|
|
|
2012-12-19 21:38:01 +01:00
|
|
|
/* RCBA */
|
|
|
|
if (DEFAULT_RCBA < default_decode_base) {
|
|
|
|
res = new_resource(dev, RCBA);
|
|
|
|
res->base = DEFAULT_RCBA;
|
|
|
|
res->size = 16 * 1024;
|
|
|
|
res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED |
|
|
|
|
IORESOURCE_FIXED | IORESOURCE_RESERVE;
|
2012-10-30 15:03:43 +01:00
|
|
|
}
|
|
|
|
|
2012-12-19 21:38:01 +01:00
|
|
|
/* Check LPC Memory Decode register. */
|
|
|
|
reg = pci_read_config32(dev, LGMR);
|
|
|
|
if (reg & 1) {
|
|
|
|
reg &= ~0xffff;
|
|
|
|
if (reg < default_decode_base) {
|
|
|
|
res = new_resource(dev, LGMR);
|
|
|
|
res->base = reg;
|
|
|
|
res->size = 16 * 1024;
|
|
|
|
res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED |
|
|
|
|
IORESOURCE_FIXED | IORESOURCE_RESERVE;
|
|
|
|
}
|
2012-10-30 15:03:43 +01:00
|
|
|
}
|
2012-12-19 21:38:01 +01:00
|
|
|
}
|
2012-10-30 15:03:43 +01:00
|
|
|
|
2012-12-19 21:38:01 +01:00
|
|
|
/* Default IO range claimed by the LPC device. The upper bound is exclusive. */
|
|
|
|
#define LPC_DEFAULT_IO_RANGE_LOWER 0
|
|
|
|
#define LPC_DEFAULT_IO_RANGE_UPPER 0x1000
|
|
|
|
|
|
|
|
static inline int pch_io_range_in_default(u16 base, u16 size)
|
|
|
|
{
|
|
|
|
/* Does it start above the range? */
|
|
|
|
if (base >= LPC_DEFAULT_IO_RANGE_UPPER)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Is it entirely contained? */
|
|
|
|
if (base >= LPC_DEFAULT_IO_RANGE_LOWER &&
|
|
|
|
(base + size) < LPC_DEFAULT_IO_RANGE_UPPER)
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
/* This will return not in range for partial overlaps. */
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Note: this function assumes there is no overlap with the default LPC device's
|
|
|
|
* claimed range: LPC_DEFAULT_IO_RANGE_LOWER -> LPC_DEFAULT_IO_RANGE_UPPER.
|
|
|
|
*/
|
|
|
|
static void pch_lpc_add_io_resource(device_t dev, u16 base, u16 size, int index)
|
|
|
|
{
|
|
|
|
struct resource *res;
|
|
|
|
|
|
|
|
if (pch_io_range_in_default(base, size))
|
|
|
|
return;
|
2012-10-30 15:03:43 +01:00
|
|
|
|
2012-12-19 21:38:01 +01:00
|
|
|
res = new_resource(dev, index);
|
|
|
|
res->base = base;
|
|
|
|
res->size = size;
|
|
|
|
res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void pch_lpc_add_gen_io_resources(device_t dev, int reg_value, int index)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* Check if the register is enabled. If so and the base exceeds the
|
|
|
|
* device's deafult claim range add the resoure.
|
|
|
|
*/
|
|
|
|
if (reg_value & 1) {
|
|
|
|
u16 base = reg_value & 0xfffc;
|
|
|
|
u16 size = (0x3 | ((reg_value >> 16) & 0xfc)) + 1;
|
|
|
|
pch_lpc_add_io_resource(dev, base, size, index);
|
2012-10-30 15:03:43 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-12-19 21:38:01 +01:00
|
|
|
static void pch_lpc_add_io_resources(device_t dev)
|
|
|
|
{
|
|
|
|
struct resource *res;
|
|
|
|
config_t *config = dev->chip_info;
|
|
|
|
|
|
|
|
/* Add the default claimed IO range for the LPC device. */
|
|
|
|
res = new_resource(dev, 0);
|
|
|
|
res->base = LPC_DEFAULT_IO_RANGE_LOWER;
|
|
|
|
res->size = LPC_DEFAULT_IO_RANGE_UPPER - LPC_DEFAULT_IO_RANGE_LOWER;
|
|
|
|
res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
|
|
|
|
|
|
|
|
/* GPIOBASE */
|
2013-03-09 01:34:33 +01:00
|
|
|
pch_lpc_add_io_resource(dev, get_gpiobase(), DEFAULT_GPIOSIZE,
|
2012-12-19 21:38:01 +01:00
|
|
|
GPIO_BASE);
|
|
|
|
|
|
|
|
/* PMBASE */
|
2013-03-09 01:34:33 +01:00
|
|
|
pch_lpc_add_io_resource(dev, get_pmbase(), 256, PMBASE);
|
2012-12-19 21:38:01 +01:00
|
|
|
|
|
|
|
/* LPC Generic IO Decode range. */
|
|
|
|
pch_lpc_add_gen_io_resources(dev, config->gen1_dec, LPC_GEN1_DEC);
|
|
|
|
pch_lpc_add_gen_io_resources(dev, config->gen2_dec, LPC_GEN2_DEC);
|
|
|
|
pch_lpc_add_gen_io_resources(dev, config->gen3_dec, LPC_GEN3_DEC);
|
|
|
|
pch_lpc_add_gen_io_resources(dev, config->gen4_dec, LPC_GEN4_DEC);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void pch_lpc_read_resources(device_t dev)
|
|
|
|
{
|
2013-03-22 19:08:39 +01:00
|
|
|
global_nvs_t *gnvs;
|
|
|
|
|
2012-12-19 21:38:01 +01:00
|
|
|
/* Get the normal PCI resources of this device. */
|
|
|
|
pci_dev_read_resources(dev);
|
|
|
|
|
|
|
|
/* Add non-standard MMIO resources. */
|
|
|
|
pch_lpc_add_mmio_resources(dev);
|
|
|
|
|
|
|
|
/* Add IO resources. */
|
|
|
|
pch_lpc_add_io_resources(dev);
|
2013-03-22 19:08:39 +01:00
|
|
|
|
|
|
|
/* Allocate ACPI NVS in CBMEM */
|
|
|
|
gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(global_nvs_t));
|
|
|
|
if (gnvs)
|
|
|
|
memset(gnvs, 0, sizeof(global_nvs_t));
|
2012-12-19 21:38:01 +01:00
|
|
|
}
|
|
|
|
|
2012-10-30 15:03:43 +01:00
|
|
|
static void pch_lpc_enable_resources(device_t dev)
|
|
|
|
{
|
|
|
|
pch_decode_init(dev);
|
|
|
|
return pci_dev_enable_resources(dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void pch_lpc_enable(device_t dev)
|
|
|
|
{
|
|
|
|
/* Enable PCH Display Port */
|
|
|
|
RCBA16(DISPBDF) = 0x0010;
|
|
|
|
RCBA32_OR(FD2, PCH_ENABLE_DBDF);
|
|
|
|
|
|
|
|
pch_enable(dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void set_subsystem(device_t dev, unsigned vendor, unsigned device)
|
|
|
|
{
|
|
|
|
if (!vendor || !device) {
|
|
|
|
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
|
|
|
|
pci_read_config32(dev, PCI_VENDOR_ID));
|
|
|
|
} else {
|
|
|
|
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
|
|
|
|
((device & 0xffff) << 16) | (vendor & 0xffff));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct pci_operations pci_ops = {
|
|
|
|
.set_subsystem = set_subsystem,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct device_operations device_ops = {
|
|
|
|
.read_resources = pch_lpc_read_resources,
|
|
|
|
.set_resources = pci_dev_set_resources,
|
|
|
|
.enable_resources = pch_lpc_enable_resources,
|
|
|
|
.init = lpc_init,
|
|
|
|
.enable = pch_lpc_enable,
|
|
|
|
.scan_bus = scan_static_bus,
|
|
|
|
.ops_pci = &pci_ops,
|
|
|
|
};
|
|
|
|
|
|
|
|
|
2012-12-12 00:13:17 +01:00
|
|
|
/* IDs for LPC device of Intel 8 Series Chipset (Lynx Point) */
|
|
|
|
static const unsigned short pci_device_ids[] = {
|
|
|
|
0x8c41, /* Mobile Full Featured Engineering Sample. */
|
|
|
|
0x8c42, /* Desktop Full Featured Engineering Sample. */
|
|
|
|
0x8c44, /* Z87 SKU */
|
|
|
|
0x8c46, /* Z85 SKU */
|
|
|
|
0x8c49, /* HM86 SKU */
|
|
|
|
0x8c4a, /* H87 SKU */
|
|
|
|
0x8c4b, /* HM87 SKU */
|
|
|
|
0x8c4c, /* Q85 SKU */
|
|
|
|
0x8c4e, /* Q87 SKU */
|
|
|
|
0x8c4f, /* QM87 SKU */
|
2012-12-17 20:31:40 +01:00
|
|
|
0x9c41, /* LP Full Featured Engineering Sample */
|
|
|
|
0x9c43, /* LP Premium SKU */
|
|
|
|
0x9c45, /* LP Mainstream SKU */
|
|
|
|
0x9c47, /* LP Value SKU */
|
2012-12-12 00:13:17 +01:00
|
|
|
0 };
|
2012-10-30 15:03:43 +01:00
|
|
|
|
|
|
|
static const struct pci_driver pch_lpc __pci_driver = {
|
|
|
|
.ops = &device_ops,
|
|
|
|
.vendor = PCI_VENDOR_ID_INTEL,
|
|
|
|
.devices = pci_device_ids,
|
|
|
|
};
|
|
|
|
|
|
|
|
|