gigabyte/ga-g41m-es2l: Add mainboard

Board uses x4x native raminit

Board boots into Debian 8 with full graphics

IRQ9: nobody cared, gets disabled
(PIC needs IRQ settings?)

VGA:
- VGA native init works in grub with analog connector
- Fails to boot with both channels of ram populated

Change-Id: I7417813456817529b8cbaace45cefe47467d0a82
Signed-off-by: Damien Zammit <damien@zamaudio.com>
Reviewed-on: https://review.coreboot.org/11306
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Damien Zammit 2015-08-19 15:23:32 +10:00 committed by Martin Roth
parent 4b513a618d
commit cbe7a8e100
15 changed files with 662 additions and 0 deletions

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#
# This file is part of the coreboot project.
#
# Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
if BOARD_GIGABYTE_GA_G41M_ES2L
config BOARD_SPECIFIC_OPTIONS
def_bool y
select ARCH_X86
select CPU_INTEL_SOCKET_LGA775
select NORTHBRIDGE_INTEL_X4X
select SOUTHBRIDGE_INTEL_I82801GX
select SUPERIO_ITE_IT8718F
select HAVE_ACPI_TABLES
select BOARD_ROMSIZE_KB_1024
select INTEL_EDID
select MAINBOARD_HAS_NATIVE_VGA_INIT
select MAINBOARD_DO_NATIVE_VGA_INIT
config MMCONF_BASE_ADDRESS
hex
default 0xc0000000
config MAINBOARD_DIR
string
default "gigabyte/ga-g41m-es2l"
config MAINBOARD_PART_NUMBER
string
default "GA-G41M-ES2L"
endif # BOARD_GIGABYTE_GA_G41M_ES2L

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config BOARD_GIGABYTE_GA_G41M_ES2L
bool "GA-G41M-ES2L"

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ramstage-y += cstates.c

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/* dummy */

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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/* This is board specific information:
* IRQ routing for the 0:1e.0 PCI bridge of the ICH7
*/
If (PICM) {
Return (Package() {
Package() { 0x001effff, 0, 0, 17},
Package() { 0x001effff, 1, 0, 20},
Package() { 0x001effff, 2, 0, 16},
Package() { 0x001effff, 3, 0, 16},
})
} Else {
Return (Package() {
Package() { 0x001effff, 0, \_SB.PCI0.LPCB.LNKB, 0},
Package() { 0x001effff, 1, \_SB.PCI0.LPCB.LNKE, 0},
Package() { 0x001effff, 2, \_SB.PCI0.LPCB.LNKA, 0},
Package() { 0x001effff, 3, \_SB.PCI0.LPCB.LNKA, 0},
})
}

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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
Method(_PIC, 1)
{
/* Remember the OS' IRQ routing choice. */
Store(Arg0, PICM)
}
/* SMI I/O Trap */
Method(TRAP, 1, Serialized)
{
Store (Arg0, SMIF) /* SMI Function */
Store (0, TRP0) /* Generate trap */
Return (SMIF) /* Return value of SMI handler */
}

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/* dummy */

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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/* This is board specific information: IRQ routing for x4x */
/* PCI Interrupt Routing */
Method(_PRT)
{
If (PICM) {
Return (Package() {
/* Internal GFX */
Package() { 0x0002ffff, 0, 0, 16 },
/* High Definition Audio 0:1b.0 */
Package() { 0x001bffff, 0, 0, 22 },
/* PCIe Root Ports 0:1c.x */
Package() { 0x001cffff, 0, 0, 16 },
Package() { 0x001cffff, 1, 0, 17 },
Package() { 0x001cffff, 2, 0, 18 },
Package() { 0x001cffff, 3, 0, 19 },
/* USB and EHCI 0:1d.x */
Package() { 0x001dffff, 0, 0, 23 },
Package() { 0x001dffff, 1, 0, 19 },
Package() { 0x001dffff, 2, 0, 18 },
Package() { 0x001dffff, 3, 0, 16 },
Package() { 0x001dffff, 0, 0, 23 },
/* SMBUS/SATA/PATA 0:1f.2, 0:1f.3 */
Package() { 0x001fffff, 1, 0, 19 },
Package() { 0x001fffff, 1, 0, 19 },
Package() { 0x001fffff, 0, 0, 18 },
})
} Else {
Return (Package() {
/* Internal GFX */
Package() { 0x0002ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
/* High Definition Audio 0:1b.0 */
Package() { 0x001bffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
/* PCIe Root Ports 0:1c.x */
Package() { 0x001cffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
Package() { 0x001cffff, 1, \_SB.PCI0.LPCB.LNKB, 0 },
Package() { 0x001cffff, 2, \_SB.PCI0.LPCB.LNKC, 0 },
Package() { 0x001cffff, 3, \_SB.PCI0.LPCB.LNKD, 0 },
/* USB and EHCI 0:1d.x */
Package() { 0x001dffff, 0, \_SB.PCI0.LPCB.LNKH, 0 },
Package() { 0x001dffff, 1, \_SB.PCI0.LPCB.LNKD, 0 },
Package() { 0x001dffff, 2, \_SB.PCI0.LPCB.LNKC, 0 },
Package() { 0x001dffff, 3, \_SB.PCI0.LPCB.LNKA, 0 },
Package() { 0x001dffff, 0, \_SB.PCI0.LPCB.LNKH, 0 },
/* SMBUS/SATA/PATA 0:1f.2, 0:1f.3 */
Package() { 0x001fffff, 1, \_SB.PCI0.LPCB.LNKD, 0 },
Package() { 0x001fffff, 1, \_SB.PCI0.LPCB.LNKD, 0 },
Package() { 0x001fffff, 0, \_SB.PCI0.LPCB.LNKC, 0 },
})
}
}

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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <types.h>
#include <string.h>
#include <console/console.h>
#include <arch/acpi.h>
#include <arch/acpigen.h>
#include <arch/smp/mpspec.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <cpu/x86/msr.h>
#include <arch/ioapic.h>
#include "southbridge/intel/i82801gx/nvs.h"
void acpi_create_gnvs(global_nvs_t *gnvs)
{
memset((void *)gnvs, 0, sizeof(*gnvs));
gnvs->pwrs = 1; /* Power state (AC = 1) */
gnvs->lptp = 0; /* LPT port */
gnvs->fdcp = 0; /* Floppy Disk Controller */
gnvs->osys = 2002; /* At least WINXP SP2 (HPET fix) */
gnvs->apic = 1; /* Enable APIC */
gnvs->mpen = 1; /* Enable Multi Processing */
gnvs->cmap = 0x01; /* Enable COM 1 port */
}

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Category: desktop
Board URL:
ROM package: SOIC-8
ROM protocol: SPI
ROM socketed: n

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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 secunet Security Networks AG
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <arch/acpigen.h>
#include <device/device.h>
#include <southbridge/intel/i82801gx/i82801gx.h>
static acpi_cstate_t cst_entries[] = {
{
/* acpi C1 / cpu C1 */
1, 0x01, 1000,
{ ACPI_ADDRESS_SPACE_FIXED, 1, 2, { 1 }, 0, 0 }
},
{
/* acpi C2 / cpu C2 */
2, 0x01, 500,
{ ACPI_ADDRESS_SPACE_FIXED, 1, 2, { 1 }, 0x10, 0 }
},
};
int get_cst_entries(acpi_cstate_t **entries)
{
*entries = cst_entries;
return ARRAY_SIZE(cst_entries);
}

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#
# This file is part of the coreboot project.
#
# Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
chip northbridge/intel/x4x # Northbridge
device cpu_cluster 0 on # APIC cluster
chip cpu/intel/socket_LGA775
device lapic 0 on end
end
chip cpu/intel/model_1067x # CPU
device lapic 0xACAC off end
register "slfm" = "1"
register "c5" = "1"
register "c6" = "1"
end
end
device domain 0 on # PCI domain
subsystemid 0x1458 0x5000 inherit
device pci 0.0 on # Host Bridge
subsystemid 0x1458 0x5000
end
device pci 1.0 off end # PCI Bridge to Management Engine
device pci 2.0 on # Integrated graphics controller
subsystemid 0x1458 0xd000
end
device pci 2.1 on # Integrated graphics controller 2
subsystemid 0x1458 0xd001
end
device pci 3.0 off end # ME
device pci 3.1 off end # ME
chip southbridge/intel/i82801gx # Southbridge
register "pirqa_routing" = "0x0b"
register "pirqb_routing" = "0x0b"
register "pirqc_routing" = "0x0b"
register "pirqd_routing" = "0x0b"
register "pirqe_routing" = "0x0b"
register "pirqf_routing" = "0x0b"
register "pirqg_routing" = "0x0b"
register "pirqh_routing" = "0x0b"
register "ide_legacy_combined" = "0x1"
register "ide_enable_primary" = "0x1"
register "ide_enable_secondary" = "0x0"
register "sata_ahci" = "0x0"
register "sata_ports_implemented" = "0x3"
register "gpe0_en" = "0x40"
device pci 1b.0 on # Audio
subsystemid 0x1458 0xa002
end
device pci 1c.0 on end # PCIe 1
device pci 1c.1 on # PCIe 2 (NIC)
device pci 00.0 on # PCI 10ec:8168
subsystemid 0x1458 0xe000
end
end
device pci 1c.2 on end # PCIe 3
device pci 1c.3 on end # PCIe 4
device pci 1d.0 on # USB
subsystemid 0x1458 0x5004
end
device pci 1d.1 on # USB
subsystemid 0x1458 0x5004
end
device pci 1d.2 on # USB
subsystemid 0x1458 0x5004
end
device pci 1d.3 on # USB
subsystemid 0x1458 0x5004
end
device pci 1d.7 on # USB
subsystemid 0x1458 0x5006
end
device pci 1e.0 on end # PCI bridge
device pci 1f.0 on # ISA bridge
subsystemid 0x1458 0x5001
chip superio/ite/it8718f # Super I/O
device pnp 2e.0 on # Floppy
io 0x60 = 0x3f0
irq 0x70 = 6
drq 0x74 = 2
irq 0xf0 = 0x00
irq 0xf1 = 0x80
end
device pnp 2e.1 on # COM1
io 0x60 = 0x3f8
irq 0x70 = 4
end
device pnp 2e.2 on # COM2
io 0x60 = 0x2f8
irq 0x70 = 3
end
device pnp 2e.3 on # Parallel port
io 0x60 = 0x378
irq 0x70 = 7
io 0x62 = 0x000
drq 0x74 = 4
irq 0xf0 = 0x08
end
device pnp 2e.4 on # Environment controller
io 0x60 = 0x290
irq 0x70 = 0x00
io 0x62 = 0x000
irq 0xf0 = 0x80
irq 0xf1 = 0x00
irq 0xf2 = 0x0a
irq 0xf3 = 0x80
irq 0xf4 = 0x00
irq 0xf5 = 0x00
irq 0xf6 = 0xff
end
device pnp 2e.5 on # Keyboard
io 0x60 = 0x60
irq 0x70 = 1
io 0x62 = 0x64
irq 0xf0 = 0x48
end
device pnp 2e.6 on # Mouse
irq 0x70 = 12
irq 0x71 = 2
irq 0xf0 = 0
end
end
end
device pci 1f.1 on # PATA/IDE
subsystemid 0x1458 0xb004
end
device pci 1f.2 on # SATA
subsystemid 0x1458 0xb005
end
device pci 1f.3 on # SMbus
subsystemid 0x1458 0x5001
end
device pci 1f.4 off end
device pci 1f.5 off end
device pci 1f.6 off end
end
end
end

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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <southbridge/intel/i82801gx/i82801gx.h>
DefinitionBlock(
"dsdt.aml",
"DSDT",
0x02, // DSDT revision: ACPI v2.0
"COREv4", // OEM id
"COREBOOT", // OEM table id
0x20090419 // OEM revision
)
{
// global NVS and variables
#include "acpi/platform.asl"
#include <southbridge/intel/i82801gx/acpi/globalnvs.asl>
Scope (\_SB) {
Device (PCI0)
{
#include <northbridge/intel/x4x/acpi/x4x.asl>
#include <southbridge/intel/i82801gx/acpi/ich7.asl>
#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
}
}
/* Chipset specific sleep states */
#include <southbridge/intel/i82801gx/acpi/sleepstates.asl>
}

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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <device/azalia_device.h>
const u32 cim_verb_data[] = {
/* coreboot specific header */
0x10ec0887,
0x1458a002, // Subsystem ID
0x0000000e, // Number of entries
/* Pin Widget Verb Table */
AZALIA_PIN_CFG(0, 0x11, 0x411110f0),
AZALIA_PIN_CFG(0, 0x12, 0x411111f0),
AZALIA_PIN_CFG(0, 0x14, 0x01014410),
AZALIA_PIN_CFG(0, 0x15, 0x411111f0),
AZALIA_PIN_CFG(0, 0x16, 0x411111f0),
AZALIA_PIN_CFG(0, 0x17, 0x411111f0),
AZALIA_PIN_CFG(0, 0x18, 0x01a19c40),
AZALIA_PIN_CFG(0, 0x19, 0x02a19c50),
AZALIA_PIN_CFG(0, 0x1a, 0x0181344f),
AZALIA_PIN_CFG(0, 0x1b, 0x02214c20),
AZALIA_PIN_CFG(0, 0x1c, 0x593301f0),
AZALIA_PIN_CFG(0, 0x1d, 0x4005c603),
AZALIA_PIN_CFG(0, 0x1e, 0x014b6130),
AZALIA_PIN_CFG(0, 0x1f, 0x01cb7160),
};
const u32 pc_beep_verbs[0] = {};
const u32 pc_beep_verbs_size = ARRAY_SIZE(pc_beep_verbs);
const u32 cim_verb_data_size = ARRAY_SIZE(cim_verb_data);

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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdint.h>
#include <stdlib.h>
#include <device/pci_def.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <console/console.h>
#include <southbridge/intel/i82801gx/i82801gx.h>
#include <northbridge/intel/x4x/x4x.h>
#include <cpu/x86/bist.h>
#include <superio/ite/it8718f/it8718f.h>
#include <superio/ite/common/ite.h>
#include <lib.h>
#include <cpu/intel/romstage.h>
#include <arch/stages.h>
#include <cbmem.h>
#define SERIAL_DEV PNP_DEV(0x2e, IT8718F_SP1)
#define GPIO_DEV PNP_DEV(0x2e, IT8718F_GPIO)
#define EC_DEV PNP_DEV(0x2e, IT8718F_EC)
#define SUPERIO_DEV PNP_DEV(0x2e, 0)
/* Early mainboard specific GPIO setup.
* We should use standard gpio.h eventually
*/
static void mb_gpio_init(void)
{
device_t dev;
/* Southbridge GPIOs. */
dev = PCI_DEV(0x0, 0x1f, 0x0);
/* Set the value for GPIO base address register and enable GPIO. */
pci_write_config32(dev, GPIO_BASE, (DEFAULT_GPIOBASE | 1));
pci_write_config8(dev, GPIO_CNTL, 0x10);
outl(0x1f15f7c0, DEFAULT_GPIOBASE + 0x00); /* GPIO_USE_SEL */
outl(0xe2e9ffc3, DEFAULT_GPIOBASE + 0x04); /* GP_IO_SEL */
outl(0xe0d7fcc3, DEFAULT_GPIOBASE + 0x0c); /* GP_LVL */
outl(0x000039ff, DEFAULT_GPIOBASE + 0x2c); /* GPI_INV */
outl(0x000000e7, DEFAULT_GPIOBASE + 0x30);
outl(0x000000f0, DEFAULT_GPIOBASE + 0x34);
outl(0x00000083, DEFAULT_GPIOBASE + 0x38);
/* Set default power management registers */
pci_write_config32(dev, PMBASE, DEFAULT_PMBASE | 1);
outw(0x0011, DEFAULT_PMBASE + 0x00);
outw(0x0120, DEFAULT_PMBASE + 0x02);
outl(0x00001c01, DEFAULT_PMBASE + 0x04);
outl(0x00bb29d2, DEFAULT_PMBASE + 0x08);
outl(0x000000a0, DEFAULT_PMBASE + 0x10);
outl(0xc5000000, DEFAULT_PMBASE + 0x28);
outl(0x00000040, DEFAULT_PMBASE + 0x2c);
outw(0x13e0, DEFAULT_PMBASE + 0x44);
outw(0x003f, DEFAULT_PMBASE + 0x60);
outw(0x0800, DEFAULT_PMBASE + 0x68);
outw(0x0008, DEFAULT_PMBASE + 0x6a);
outw(0x003f, DEFAULT_PMBASE + 0x72);
/* Set default GPIOs on superio */
ite_reg_write(GPIO_DEV, 0x25, 0x00);
ite_reg_write(GPIO_DEV, 0x26, 0xc7);
ite_reg_write(GPIO_DEV, 0x27, 0x80);
ite_reg_write(GPIO_DEV, 0x28, 0x41);
ite_reg_write(GPIO_DEV, 0x29, 0x0a);
ite_reg_write(GPIO_DEV, 0x2c, 0x01);
ite_reg_write(GPIO_DEV, 0x62, 0x08);
ite_reg_write(GPIO_DEV, 0x62, 0x08);
ite_reg_write(GPIO_DEV, 0x72, 0x00);
ite_reg_write(GPIO_DEV, 0x73, 0x00);
ite_reg_write(GPIO_DEV, 0xbb, 0x40);
ite_reg_write(GPIO_DEV, 0xc0, 0x00);
ite_reg_write(GPIO_DEV, 0xc1, 0xc7);
ite_reg_write(GPIO_DEV, 0xc2, 0x80);
ite_reg_write(GPIO_DEV, 0xc3, 0x01);
ite_reg_write(GPIO_DEV, 0xc4, 0x0a);
ite_reg_write(GPIO_DEV, 0xc8, 0x00);
ite_reg_write(GPIO_DEV, 0xc9, 0x04);
ite_reg_write(GPIO_DEV, 0xcb, 0x00);
ite_reg_write(GPIO_DEV, 0xcc, 0x02);
ite_reg_write(GPIO_DEV, 0xf0, 0x10);
ite_reg_write(GPIO_DEV, 0xf1, 0x40);
ite_reg_write(GPIO_DEV, 0xf6, 0x26);
ite_reg_write(GPIO_DEV, 0xfc, 0x52);
ite_reg_write(EC_DEV, 0xf0, 0x80);
ite_reg_write(EC_DEV, 0xf1, 0x00);
ite_reg_write(EC_DEV, 0xf2, 0x0a);
ite_reg_write(EC_DEV, 0xf3, 0x80);
ite_reg_write(EC_DEV, 0x70, 0x00); // Don't use IRQ9
/* IRQ routing */
RCBA32(0x3100) = 0x00002210;
RCBA32(0x3104) = 0x00002100;
RCBA32(0x3108) = 0x10004321;
RCBA32(0x310c) = 0x00214321;
RCBA32(0x3110) = 0x00000001;
RCBA32(0x3140) = 0x00410032;
RCBA32(0x3144) = 0x32100237;
/* Enable IOAPIC */
RCBA8(0x31ff) = 0x03;
RCBA8(0x31ff);
}
static void ich7_enable_lpc(void)
{
/* Disable Serial IRQ */
pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x64, 0x00);
/* Decode range */
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x80, 0x0010);
pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_EN,
CNF1_LPC_EN | CNF2_LPC_EN | KBC_LPC_EN | COMA_LPC_EN | COMB_LPC_EN);
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x88, 0x0291);
pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x8a, 0x007c);
}
void main(unsigned long bist)
{
// ch0 ch1
const u8 spd_addrmap[4] = { 0x50, 0, 0x52, 0 };
/* Disable watchdog timer and route port 80 to LPC */
RCBA32(0x3410) = (RCBA32(0x3410) | 0x20);// & ~0x4;
/* Set southbridge and Super I/O GPIOs. */
mb_gpio_init();
ich7_enable_lpc();
ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
/* Disable SIO reboot */
ite_reg_write(GPIO_DEV, 0xEF, 0x7E);
console_init();
report_bist_failure(bist);
enable_smbus();
x4x_early_init();
printk(BIOS_DEBUG, "Initializing memory\n");
sdram_initialize(0, spd_addrmap);
quick_ram_check();
printk(BIOS_DEBUG, "Memory initialized\n");
}