Add support for the Intel Eagle Heights development board.

Signed-off-by: Thomas Jourdan <thomas.jourdan@gmail.com>
Acked-by: Myles Watson <mylesgw@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4392 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Thomas Jourdan
2009-07-01 17:01:17 +00:00
committed by Myles Watson
parent 6c96517a13
commit 1a692d8176
31 changed files with 3926 additions and 36 deletions

View File

@@ -26,3 +26,4 @@ driver i3100_ehci.o
driver i3100_smbus.o
driver i3100_pci.o
object i3100_reset.o
object i3100_pciexp_portb.o

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@@ -0,0 +1,35 @@
/*
* This file is part of the coreboot project.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "i3100.h"
#define RTC_FAILED (1 <<2)
#define GEN_PMCON_3 0xa4
static void check_cmos_failed(void)
{
u8 byte;
byte = pci_read_config8(PCI_DEV(0, 0x1f, 0), GEN_PMCON_3);
if (byte & RTC_FAILED) {
// clear bit 1 and bit 2
byte = cmos_read(RTC_BOOT_BYTE);
byte &= 0x0c;
byte |= CONFIG_MAX_REBOOT_CNT << 4;
cmos_write(byte, RTC_BOOT_BYTE);
}
}

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@@ -35,12 +35,18 @@
#define GPIO_BAR 0x48
#define RCBA 0xf0
#define SERIRQ_CNTL 0x64
#define GEN_PMCON_1 0xA0
#define GEN_PMCON_2 0xA2
#define GEN_PMCON_3 0xA4
#define NMI_OFF 0
#define MAINBOARD_POWER_OFF 0
#define MAINBOARD_POWER_ON 1
#ifndef MAINBOARD_POWER_ON_AFTER_FAIL
#define MAINBOARD_POWER_ON_AFTER_FAIL MAINBOARD_POWER_ON
#ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL
#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
#endif
#define ALL (0xff << 24)
@@ -93,11 +99,10 @@ static void setup_ioapic(device_t dev)
}
/* Put the APIC in virtual wire mode */
l[0] = 0x10;
l[0] = 0x12;
l[4] = ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | ExtINT;
}
#define SERIRQ_CNTL 0x64
static void i3100_enable_serial_irqs(device_t dev)
{
/* set packet length and toggle silent mode bit */
@@ -257,6 +262,68 @@ static void i3100_pirq_init(device_t dev)
}
}
static void i3100_power_options(device_t dev) {
u8 reg8;
u16 reg16;
int pwr_on = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
int nmi_option;
/* Which state do we want to goto after g3 (power restored)?
* 0 == S0 Full On
* 1 == S5 Soft Off
*/
get_option(&pwr_on, "power_on_after_fail");
reg8 = pci_read_config8(dev, GEN_PMCON_3);
reg8 &= 0xfe;
if (pwr_on) {
reg8 &= ~1;
} else {
reg8 |= 1;
}
/* avoid #S4 assertions */
reg8 |= (3 << 4);
/* minimum asssertion is 1 to 2 RTCCLK */
reg8 &= ~(1 << 3);
pci_write_config8(dev, GEN_PMCON_3, reg8);
printk_info("set power %s after power fail\n", pwr_on ? "on" : "off");
/* Set up NMI on errors. */
reg8 = inb(0x61);
/* Higher Nibble must be 0 */
reg8 &= 0x0f;
/* IOCHK# NMI Enable */
reg8 &= ~(1 << 3);
/* PCI SERR# Enable */
// reg8 &= ~(1 << 2);
/* PCI SERR# Disable for now */
reg8 |= (1 << 2);
outb(reg8, 0x61);
reg8 = inb(0x70);
nmi_option = NMI_OFF;
get_option(&nmi_option, "nmi");
if (nmi_option) {
/* Set NMI. */
printk_info ("NMI sources enabled.\n");
reg8 &= ~(1 << 7);
} else {
/* Can't mask NMI from PCI-E and NMI_NOW */
printk_info ("NMI sources disabled.\n");
reg8 |= ( 1 << 7);
}
outb(reg8, 0x70);
// Enable CPU_SLP# and Intel Speedstep, set SMI# rate down
reg16 = pci_read_config16(dev, GEN_PMCON_1);
reg16 &= ~((3 << 0) | (1 << 10));
reg16 |= (1 << 3) | (1 << 5);
/* CLKRUN_EN */
// reg16 |= (1 << 2);
pci_write_config16(dev, GEN_PMCON_1, reg16);
// Set the board's GPI routing.
// i82801gx_gpi_routing(dev);
}
static void i3100_gpio_init(device_t dev)
{
@@ -296,9 +363,6 @@ static void i3100_gpio_init(device_t dev)
static void lpc_init(struct device *dev)
{
u8 byte;
int pwr_on = MAINBOARD_POWER_ON_AFTER_FAIL;
setup_ioapic(dev);
/* Decode 0xffc00000 - 0xffffffff to fwh idsel 0 */
@@ -306,18 +370,12 @@ static void lpc_init(struct device *dev)
i3100_enable_serial_irqs(dev);
get_option(&pwr_on, "power_on_after_fail");
byte = pci_read_config8(dev, 0xa4);
byte &= 0xfe;
if (!pwr_on) {
byte |= 1;
}
pci_write_config8(dev, 0xa4, byte);
printk_info("set power %s after power fail\n", pwr_on ? "on" : "off");
/* Set up the PIRQ */
i3100_pirq_init(dev);
/* Setup power options */
i3100_power_options(dev);
/* Set the state of the gpio lines */
i3100_gpio_init(dev);

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@@ -0,0 +1,94 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Arastra, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
/* This code is based on src/northbridge/intel/e7520/pciexp_porta.c */
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <device/pciexp.h>
#include <arch/io.h>
#include "chip.h"
#include <part/hard_reset.h>
#define PCIE_LCTL 0x50
#define PCIE_LSTS 0x52
typedef struct northbridge_intel_i3100_config config_t;
static void pcie_init(struct device *dev)
{
}
static unsigned int pcie_scan_bridge(struct device *dev, unsigned int max)
{
u16 val;
u16 ctl;
int flag = 0;
do {
val = pci_read_config16(dev, PCIE_LSTS);
printk_debug("pcie portb link status: %02x\n", val);
if ((val & (1<<10)) && (!flag)) { /* training error */
ctl = pci_read_config16(dev, PCIE_LCTL);
pci_write_config16(dev, PCIE_LCTL, (ctl | (1<<5)));
val = pci_read_config16(dev, PCIE_LSTS);
printk_debug("pcie portb reset link status: %02x\n", val);
flag=1;
hard_reset();
}
} while (val & (3<<10));
return pciexp_scan_bridge(dev, max);
}
static struct device_operations pcie_ops = {
.read_resources = pci_bus_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_bus_enable_resources,
.init = pcie_init,
.scan_bus = pcie_scan_bridge,
.reset_bus = pci_bus_reset,
.ops_pci = 0,
};
static struct pci_driver pci_driver_0 __pci_driver = {
.ops = &pcie_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_3100_PCIE_PB0,
};
static struct pci_driver pci_driver_1 __pci_driver = {
.ops = &pcie_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_3100_PCIE_PB1,
};
static struct pci_driver pci_driver_2 __pci_driver = {
.ops = &pcie_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_3100_PCIE_PB2,
};
static struct pci_driver pci_driver_3 __pci_driver = {
.ops = &pcie_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_3100_PCIE_PB3,
};

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@@ -27,32 +27,76 @@
#include <device/pci_ops.h>
#include "i3100.h"
#define SATA_CMD 0x04
#define SATA_PI 0x09
#define SATA_PTIM 0x40
#define SATA_STIM 0x42
#define SATA_D1TIM 0x44
#define SATA_SYNCC 0x48
#define SATA_SYNCTIM 0x4A
#define SATA_IIOC 0x54
#define SATA_MAP 0x90
#define SATA_PCS 0x91
#define SATA_ACR0 0xA8
#define SATA_ACR1 0xAC
#define SATA_ATC 0xC0
#define SATA_ATS 0xC4
#define SATA_SP 0xD0
typedef struct southbridge_intel_i3100_config config_t;
static void sata_init(struct device *dev)
{
u8 ahci;
/* Get the chip configuration */
ahci = (pci_read_config8(dev, SATA_MAP) >> 6) & 0x03;
/* Enable SATA devices */
printk_info("SATA init (%s mode)\n", ahci ? "AHCI" : "Legacy");
printk_debug("SATA init\n");
/* SATA configuration */
pci_write_config8(dev, 0x04, 0x07);
pci_write_config8(dev, 0x09, 0x8f);
if(ahci) {
/* AHCI mode */
pci_write_config8(dev, SATA_MAP, (1 << 6) | (0 << 0));
/* Set timings */
pci_write_config16(dev, 0x40, 0x0a307);
pci_write_config16(dev, 0x42, 0x0a307);
/* Enable ports */
pci_write_config8(dev, SATA_PCS, 0x03);
pci_write_config8(dev, SATA_PCS + 1, 0x0F);
/* Sync DMA */
pci_write_config16(dev, 0x48, 0x000f);
pci_write_config16(dev, 0x4a, 0x1111);
/* Setup timings */
pci_write_config16(dev, SATA_PTIM, 0x8000);
pci_write_config16(dev, SATA_STIM, 0x8000);
/* Fast ATA */
pci_write_config16(dev, 0x54, 0x1000);
/* Select IDE mode */
pci_write_config8(dev, 0x90, 0x00);
/* Enable ports 0-3 */
pci_write_config8(dev, 0x92, 0x0f);
/* Synchronous DMA */
pci_write_config8(dev, SATA_SYNCC, 0);
pci_write_config16(dev, SATA_SYNCTIM, 0);
/* IDE I/O configuration */
pci_write_config32(dev, SATA_IIOC, 0);
} else {
/* SATA configuration */
pci_write_config8(dev, SATA_CMD, 0x07);
pci_write_config8(dev, SATA_PI, 0x8f);
/* Set timings */
pci_write_config16(dev, SATA_PTIM, 0x0a307);
pci_write_config16(dev, SATA_STIM, 0x0a307);
/* Sync DMA */
pci_write_config8(dev, SATA_SYNCC, 0x0f);
pci_write_config16(dev, SATA_SYNCTIM, 0x1111);
/* Fast ATA */
pci_write_config16(dev, SATA_IIOC, 0x1000);
/* Select IDE mode */
pci_write_config8(dev, SATA_MAP, 0x00);
/* Enable ports 0-3 */
pci_write_config8(dev, SATA_PCS + 1, 0x0f);
}
printk_debug("SATA Enabled\n");
}