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-rw-r--r--src/southbridge/intel/i82801db/Config.lb11
-rw-r--r--src/southbridge/intel/i82801db/chip.h55
-rw-r--r--src/southbridge/intel/i82801db/cmos_failover.c34
-rw-r--r--src/southbridge/intel/i82801db/i82801db.c64
-rw-r--r--src/southbridge/intel/i82801db/i82801db.h33
-rw-r--r--src/southbridge/intel/i82801db/i82801db_ac97.c55
-rw-r--r--src/southbridge/intel/i82801db/i82801db_early_smbus.c158
-rw-r--r--src/southbridge/intel/i82801db/i82801db_ehci.c68
-rw-r--r--src/southbridge/intel/i82801db/i82801db_ide.c75
-rw-r--r--src/southbridge/intel/i82801db/i82801db_lpc.c416
-rw-r--r--src/southbridge/intel/i82801db/i82801db_pci.c63
-rw-r--r--src/southbridge/intel/i82801db/i82801db_reset.c25
-rw-r--r--src/southbridge/intel/i82801db/i82801db_smbus.c63
-rw-r--r--src/southbridge/intel/i82801db/i82801db_smbus.h123
-rw-r--r--src/southbridge/intel/i82801db/i82801db_uhci.c74
-rw-r--r--src/southbridge/intel/i82801db/i82801db_watchdog.c46
16 files changed, 1363 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801db/Config.lb b/src/southbridge/intel/i82801db/Config.lb
new file mode 100644
index 0000000000..d61fa29d09
--- /dev/null
+++ b/src/southbridge/intel/i82801db/Config.lb
@@ -0,0 +1,11 @@
+config chip.h
+driver i82801db.o
+driver i82801db_uhci.o
+driver i82801db_lpc.o
+driver i82801db_ide.o
+driver i82801db_ehci.o
+driver i82801db_smbus.o
+driver i82801db_pci.o
+driver i82801db_ac97.o
+object i82801db_watchdog.o
+object i82801db_reset.o
diff --git a/src/southbridge/intel/i82801db/chip.h b/src/southbridge/intel/i82801db/chip.h
new file mode 100644
index 0000000000..76e0560b5b
--- /dev/null
+++ b/src/southbridge/intel/i82801db/chip.h
@@ -0,0 +1,55 @@
+/*
+ * This file is part of the LinuxBIOS 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
+ */
+
+#ifndef I82801DB_CHIP_H
+#define I82801DB_CHIP_H
+
+struct southbridge_intel_i82801db_config
+{
+
+#define ICH5R_GPIO_USE_MASK 0x03
+#define ICH5R_GPIO_USE_DEFAULT 0x00
+#define ICH5R_GPIO_USE_AS_NATIVE 0x01
+#define ICH5R_GPIO_USE_AS_GPIO 0x02
+
+#define ICH5R_GPIO_SEL_MASK 0x0c
+#define ICH5R_GPIO_SEL_DEFAULT 0x00
+#define ICH5R_GPIO_SEL_OUTPUT 0x04
+#define ICH5R_GPIO_SEL_INPUT 0x08
+
+#define ICH5R_GPIO_LVL_MASK 0x30
+#define ICH5R_GPIO_LVL_DEFAULT 0x00
+#define ICH5R_GPIO_LVL_LOW 0x10
+#define ICH5R_GPIO_LVL_HIGH 0x20
+#define ICH5R_GPIO_LVL_BLINK 0x30
+
+#define ICH5R_GPIO_INV_MASK 0xc0
+#define ICH5R_GPIO_INV_DEFAULT 0x00
+#define ICH5R_GPIO_INV_OFF 0x40
+#define ICH5R_GPIO_INV_ON 0x80
+
+ /* GPIO use select */
+ unsigned char gpio[64];
+ unsigned int pirq_a_d;
+ unsigned int pirq_e_h;
+ int enable_native_ide;
+};
+extern struct chip_operations southbridge_intel_i82801db_ops;
+
+#endif /* I82801DB_CHIP_H */
+
diff --git a/src/southbridge/intel/i82801db/cmos_failover.c b/src/southbridge/intel/i82801db/cmos_failover.c
new file mode 100644
index 0000000000..5b4bbd2909
--- /dev/null
+++ b/src/southbridge/intel/i82801db/cmos_failover.c
@@ -0,0 +1,34 @@
+/*
+ * This file is part of the LinuxBIOS 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
+ */
+
+//kind of cmos_err for ich5
+#define RTC_FAILED (1 <<2)
+#define GEN_PMCON_3 0xa4
+static void check_cmos_failed(void)
+{
+
+ uint8_t 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 |= MAX_REBOOT_CNT << 4;
+ cmos_write(byte, RTC_BOOT_BYTE);
+ }
+}
diff --git a/src/southbridge/intel/i82801db/i82801db.c b/src/southbridge/intel/i82801db/i82801db.c
new file mode 100644
index 0000000000..85085aeaac
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db.c
@@ -0,0 +1,64 @@
+/*
+ * This file is part of the LinuxBIOS 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 <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include "i82801db.h"
+
+void i82801db_enable(device_t dev)
+{
+ device_t lpc_dev;
+ uint16_t word;
+
+ printk_debug("Entering %s\n", __FUNCTION__);
+ /* See if we are behind the i82801db pci bridge
+ lpc_dev = dev_find_slot(dev->bus->secondary, PCI_DEVFN(0x1f, 0));
+ */
+ lpc_dev = dev_find_slot(0, PCI_DEVFN(0x1f, 0));
+ if (!lpc_dev) {
+ return;
+ }
+
+ word = 0x0040;
+ pci_write_config16(lpc_dev, 0xf2, word);
+ /*
+ if((dev->path.u.pci.devfn &0xf8)== 0xf8) {
+ index = dev->path.u.pci.devfn & 7;
+ }
+ else if((dev->path.u.pci.devfn &0xf8)== 0xe8) {
+ index = (dev->path.u.pci.devfn & 7) +8;
+ }
+
+ reg = reg_old = pci_read_config16(lpc_dev, 0xf2);
+ reg &= ~(1 << index);
+ if (!dev->enabled) {
+ reg |= (1 << index);
+ }
+ if (reg != reg_old) {
+ printk_debug("Trying to enable device, [0:1f:0] reg 0xf2 <- %04x\n", reg);
+ pci_write_config16(lpc_dev, 0xf2, reg);
+ }
+ */
+}
+
+struct chip_operations southbridge_intel_i82801db_ops = {
+ CHIP_NAME("Intel 82801DB Southbridge")
+ .enable_dev = i82801db_enable,
+};
diff --git a/src/southbridge/intel/i82801db/i82801db.h b/src/southbridge/intel/i82801db/i82801db.h
new file mode 100644
index 0000000000..54f8587cf9
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db.h
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the LinuxBIOS 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
+ */
+
+#ifndef I82801DB_H
+#define I82801DB_H
+
+#include "chip.h"
+
+extern void i82801db_enable(device_t dev);
+
+#define PCI_DMA_CFG 0x90
+#define SERIRQ_CNTL 0x64
+#define GEN_CNTL 0xd0
+#define GEN_STS 0xd4
+#define RTC_CONF 0xd8
+#define GEN_PMCON_3 0xa4
+
+#endif /* I82801DB_H */
diff --git a/src/southbridge/intel/i82801db/i82801db_ac97.c b/src/southbridge/intel/i82801db/i82801db_ac97.c
new file mode 100644
index 0000000000..b1f8980c20
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_ac97.c
@@ -0,0 +1,55 @@
+/*
+ * This file is part of the LinuxBIOS 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 <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include "i82801db.h"
+
+static void ac97_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+ /* Write the subsystem vendor and device id */
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ ((device & 0xffff) << 16) | (vendor & 0xffff));
+}
+
+static struct pci_operations lops_pci = {
+ .set_subsystem = ac97_set_subsystem,
+};
+static struct device_operations ac97_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = 0,
+ .scan_bus = 0,
+ .enable = i82801db_enable,
+ .ops_pci = &lops_pci,
+};
+
+static struct pci_driver ac97_audio_driver __pci_driver = {
+ .ops = &ac97_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82801DB_AC97_AUDIO,
+};
+static struct pci_driver ac97_modem_driver __pci_driver = {
+ .ops = &ac97_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82801DB_AC97_MODEM,
+};
diff --git a/src/southbridge/intel/i82801db/i82801db_early_smbus.c b/src/southbridge/intel/i82801db/i82801db_early_smbus.c
new file mode 100644
index 0000000000..a0d9663318
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_early_smbus.c
@@ -0,0 +1,158 @@
+/*
+ * This file is part of the LinuxBIOS 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 "i82801db_smbus.h"
+
+#define SMBUS_IO_BASE 0x0f00
+
+static void enable_smbus(void)
+{
+ device_t dev;
+ dev = pci_locate_device(PCI_ID(0x8086, 0x24d3), 0);
+ if (dev == PCI_DEV_INVALID) {
+ die("SMBUS controller not found\r\n");
+ }
+ print_spew("SMBus controller enabled\r\n");
+
+ pci_write_config32(dev, 0x20, SMBUS_IO_BASE | 1);
+ /* Set smbus enable */
+ pci_write_config8(dev, 0x40, 1);
+ /* Set smbus iospace enable */
+ pci_write_config8(dev, 0x4, 1);
+ /* SMBALERT_DIS */
+ pci_write_config8(dev, 0x11, 4);
+
+ /* Disable interrupt generation */
+ outb(0, SMBUS_IO_BASE + SMBHSTCTL);
+
+ /* clear any lingering errors, so the transaction will run */
+ outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
+
+#if 0 // It's unlikely that half the southbridge suddenly vanishes?
+ dev = pci_locate_device(PCI_ID(0x8086, 0x24d0), 0);
+ if (dev == PCI_DEV_INVALID) {
+ die("ISA bridge not found\r\n");
+ }
+#endif
+}
+
+static int smbus_read_byte(unsigned device, unsigned address)
+{
+ return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
+}
+
+static void smbus_write_byte(unsigned device, unsigned address, unsigned char val)
+{
+ if (smbus_wait_until_ready(SMBUS_IO_BASE) < 0) {
+ return;
+ }
+
+ print_debug("Unimplemented smbus_write_byte() called.\r\n");
+
+#if 0
+ /* setup transaction */
+ /* disable interrupts */
+ outw(inw(SMBUS_IO_BASE + SMBGCTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)),
+ SMBUS_IO_BASE + SMBGCTL);
+ /* set the device I'm talking too */
+ outw(((device & 0x7f) << 1) | 1, SMBUS_IO_BASE + SMBHSTADDR);
+ outb(address & 0xFF, SMBUS_IO_BASE + SMBHSTCMD);
+ /* set up for a byte data write */ /* FIXME */
+ outw((inw(SMBUS_IO_BASE + SMBGCTL) & ~7) | (0x1), SMBUS_IO_BASE + SMBGCTL);
+ /* clear any lingering errors, so the transaction will run */
+ /* Do I need to write the bits to a 1 to clear an error? */
+ outw(inw(SMBUS_IO_BASE + SMBGSTATUS), SMBUS_IO_BASE + SMBGSTATUS);
+
+ /* clear the data word...*/
+ outw(val, SMBUS_IO_BASE + SMBHSTDAT);
+
+ /* start the command */
+ outw((inw(SMBUS_IO_BASE + SMBGCTL) | (1 << 3)), SMBUS_IO_BASE + SMBGCTL);
+
+ /* poll for transaction completion */
+ smbus_wait_until_done(SMBUS_IO_BASE);
+#endif
+ return;
+}
+
+static int smbus_write_block(unsigned device, unsigned length, unsigned cmd,
+ unsigned data1, unsigned data2)
+{
+ unsigned char global_control_register;
+ unsigned char global_status_register;
+ unsigned char byte;
+ unsigned char stat;
+ int i;
+
+ /* chear the PM timeout flags, SECOND_TO_STS */
+ outw(inw(0x0400 + 0x66), 0x0400 + 0x66);
+
+ if (smbus_wait_until_ready(SMBUS_IO_BASE) < 0) {
+ return -2;
+ }
+
+ /* setup transaction */
+ /* Obtain ownership */
+ outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
+ for(stat=0;(stat&0x40)==0;) {
+ stat = inb(SMBUS_IO_BASE + SMBHSTSTAT);
+ }
+ /* clear the done bit */
+ outb(0x80, SMBUS_IO_BASE + SMBHSTSTAT);
+ /* disable interrupts */
+ outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & (~1), SMBUS_IO_BASE + SMBHSTCTL);
+
+ /* set the device I'm talking too */
+ outb(((device & 0x7f) << 1), SMBUS_IO_BASE + SMBXMITADD);
+
+ /* set the command address */
+ outb(cmd & 0xFF, SMBUS_IO_BASE + SMBHSTCMD);
+
+ /* set the block length */
+ outb(length & 0xFF, SMBUS_IO_BASE + SMBHSTDAT0);
+
+ /* try sending out the first byte of data here */
+ byte=(data1>>(0))&0x0ff;
+ outb(byte,SMBUS_IO_BASE + SMBBLKDAT);
+ /* issue a block write command */
+ outb((inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xE3) | (0x5 << 2) | 0x40,
+ SMBUS_IO_BASE + SMBHSTCTL);
+
+ for(i=0;i<length;i++) {
+
+ /* poll for transaction completion */
+ if (smbus_wait_until_blk_done(SMBUS_IO_BASE) < 0) {
+ return -3;
+ }
+
+ /* load the next byte */
+ if(i>3)
+ byte=(data2>>(i%4))&0x0ff;
+ else
+ byte=(data1>>(i))&0x0ff;
+ outb(byte,SMBUS_IO_BASE + SMBBLKDAT);
+
+ /* clear the done bit */
+ outb(inb(SMBUS_IO_BASE + SMBHSTSTAT),
+ SMBUS_IO_BASE + SMBHSTSTAT);
+ }
+
+ print_debug("SMBUS Block complete\r\n");
+ return 0;
+}
+
diff --git a/src/southbridge/intel/i82801db/i82801db_ehci.c b/src/southbridge/intel/i82801db/i82801db_ehci.c
new file mode 100644
index 0000000000..48b2b0b062
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_ehci.c
@@ -0,0 +1,68 @@
+/*
+ * This file is part of the LinuxBIOS 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 <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include "i82801db.h"
+
+static void ehci_init(struct device *dev)
+{
+ uint32_t cmd;
+
+ printk_debug("EHCI: Setting up controller.. ");
+ cmd = pci_read_config32(dev, PCI_COMMAND);
+ pci_write_config32(dev, PCI_COMMAND,
+ cmd | PCI_COMMAND_MASTER);
+
+ printk_debug("done.\n");
+}
+
+static void ehci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+ uint8_t access_cntl;
+ access_cntl = pci_read_config8(dev, 0x80);
+ /* Enable writes to protected registers */
+ pci_write_config8(dev, 0x80, access_cntl | 1);
+ /* Write the subsystem vendor and device id */
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ ((device & 0xffff) << 16) | (vendor & 0xffff));
+ /* Restore protection */
+ pci_write_config8(dev, 0x80, access_cntl);
+}
+
+static struct pci_operations lops_pci = {
+ .set_subsystem = &ehci_set_subsystem,
+};
+static struct device_operations ehci_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = ehci_init,
+ .scan_bus = 0,
+ .enable = i82801db_enable,
+ .ops_pci = &lops_pci,
+};
+
+static struct pci_driver ehci_driver __pci_driver = {
+ .ops = &ehci_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82801DB_EHCI,
+};
diff --git a/src/southbridge/intel/i82801db/i82801db_ide.c b/src/southbridge/intel/i82801db/i82801db_ide.c
new file mode 100644
index 0000000000..87cb2c321b
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_ide.c
@@ -0,0 +1,75 @@
+/*
+ * This file is part of the LinuxBIOS 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 <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include "i82801db.h"
+
+static void ide_init(struct device *dev)
+{
+ /* Enable IDE devices and timmings */
+ uint8_t byte;
+
+ pci_write_config16(dev, 0x40, 0x8000);
+ /*
+ pci_write_config16(dev, 0x40, 0xa307);
+ pci_write_config16(dev, 0x42, 0xa307);
+ pci_write_config8(dev, 0x48, 0x05);
+ pci_write_config16(dev, 0x4a, 0x0101);
+ pci_write_config16(dev, 0x54, 0x5055);
+ */
+
+ /*
+ byte = pci_read_config8(dev, 0x09);
+ byte |= 0x0f;
+ pci_write_config8(dev, 0x09, byte);
+ */
+ /* force irq into compat mode
+ pci_write_config32(dev, 0x10, 0x0);
+ pci_write_config32(dev, 0x14, 0x0);
+ pci_write_config32(dev, 0x18, 0x0);
+ pci_write_config32(dev, 0x1c, 0x0);
+
+
+ pci_write_config8(dev, 0x3d, 00);
+ */
+ pci_write_config8(dev, 0x3c, 0xff);
+
+
+
+ printk_debug("IDE Enabled\n");
+}
+
+static struct device_operations ide_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .enable = 0,
+ .init = ide_init,
+ .scan_bus = 0,
+};
+
+static struct pci_driver ide_driver __pci_driver = {
+ .ops = &ide_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82801DB_IDE,
+};
+
diff --git a/src/southbridge/intel/i82801db/i82801db_lpc.c b/src/southbridge/intel/i82801db/i82801db_lpc.c
new file mode 100644
index 0000000000..d44d8290b8
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_lpc.c
@@ -0,0 +1,416 @@
+/*
+ * This file is part of the LinuxBIOS 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
+ */
+
+/*
+ * (C) 2004 Linux Networx
+ */
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <pc80/mc146818rtc.h>
+#include <pc80/isa-dma.h>
+#include <arch/io.h>
+#include "i82801db.h"
+
+#define ACPI_BAR 0x40
+#define GPIO_BAR 0x58
+
+#define NMI_OFF 0
+#define MAINBOARD_POWER_OFF 0
+#define MAINBOARD_POWER_ON 1
+
+#ifndef MAINBOARD_POWER_ON_AFTER_POWER_FAIL
+#define MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
+#endif
+
+#define ALL (0xff << 24)
+#define NONE (0)
+#define DISABLED (1 << 16)
+#define ENABLED (0 << 16)
+#define TRIGGER_EDGE (0 << 15)
+#define TRIGGER_LEVEL (1 << 15)
+#define POLARITY_HIGH (0 << 13)
+#define POLARITY_LOW (1 << 13)
+#define PHYSICAL_DEST (0 << 11)
+#define LOGICAL_DEST (1 << 11)
+#define ExtINT (7 << 8)
+#define NMI (4 << 8)
+#define SMI (2 << 8)
+#define INT (1 << 8)
+
+static void setup_ioapic(void)
+{
+ int i;
+ unsigned long value_low, value_high;
+ unsigned long ioapic_base = 0xfec00000;
+ volatile unsigned long *l;
+ unsigned interrupts;
+
+ l = (unsigned long *) ioapic_base;
+
+ l[0] = 0x01;
+ interrupts = (l[04] >> 16) & 0xff;
+ for (i = 0; i < interrupts; i++) {
+ l[0] = (i * 2) + 0x10;
+ l[4] = DISABLED;
+ value_low = l[4];
+ l[0] = (i * 2) + 0x11;
+ l[4] = NONE; /* Should this be an address? */
+ value_high = l[4];
+ if (value_low == 0xffffffff) {
+ printk_warning("IO APIC not responding.\n");
+ return;
+ }
+ }
+
+ /* Put the ioapic in virtual wire mode */
+ l[0] = 0 + 0x10;
+ l[4] = ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | ExtINT;
+}
+
+#define SERIRQ_CNTL 0x64
+static void i82801db_enable_serial_irqs(device_t dev)
+{
+ /* set packet length and toggle silent mode bit */
+ pci_write_config8(dev, SERIRQ_CNTL, (1 << 7)|(1 << 6)|((21 - 17) << 2)|(0 << 0));
+ pci_write_config8(dev, SERIRQ_CNTL, (1 << 7)|(0 << 6)|((21 - 17) << 2)|(0 << 0));
+}
+
+#define PCI_DMA_CFG 0x90
+static void i82801db_pci_dma_cfg(device_t dev)
+{
+ /* Set PCI DMA CFG to lpc I/F DMA
+ pci_write_config16(dev, PCI_DMA_CFG, 0xfcff); */
+ pci_write_config16(dev, PCI_DMA_CFG, 0x5455);
+}
+
+#define LPC_EN 0xe6
+static void i82801db_enable_lpc(device_t dev)
+{
+ /* lpc i/f enable
+ pci_write_config8(dev, LPC_EN, 0x0d); */
+ pci_write_config16(dev, LPC_EN, 0x3403);
+}
+
+typedef struct southbridge_intel_i82801db_config config_t;
+
+static void set_i82801db_gpio_use_sel(
+ device_t dev, struct resource *res, config_t *config)
+{
+ uint32_t gpio_use_sel, gpio_use_sel2;
+ int i;
+
+ gpio_use_sel = 0x1A003180;
+ gpio_use_sel2 = 0x00000007;
+ for(i = 0; i < 64; i++) {
+ int val;
+ switch(config->gpio[i] & ICH5R_GPIO_USE_MASK) {
+ case ICH5R_GPIO_USE_AS_NATIVE: val = 0; break;
+ case ICH5R_GPIO_USE_AS_GPIO: val = 1; break;
+ default:
+ continue;
+ }
+ /* The caller is responsible for not playing with unimplemented bits */
+ if (i < 32) {
+ gpio_use_sel &= ~( 1 << i);
+ gpio_use_sel |= (val << i);
+ } else {
+ gpio_use_sel2 &= ~( 1 << (i - 32));
+ gpio_use_sel2 |= (val << (i - 32));
+ }
+ }
+ outl(gpio_use_sel, res->base + 0x00);
+ outl(gpio_use_sel2, res->base + 0x30);
+}
+
+static void set_i82801db_gpio_direction(
+ device_t dev, struct resource *res, config_t *config)
+{
+ uint32_t gpio_io_sel, gpio_io_sel2;
+ int i;
+
+ gpio_io_sel = 0x0000ffff;
+ gpio_io_sel2 = 0x00000300;
+ for(i = 0; i < 64; i++) {
+ int val;
+ switch(config->gpio[i] & ICH5R_GPIO_SEL_MASK) {
+ case ICH5R_GPIO_SEL_OUTPUT: val = 0; break;
+ case ICH5R_GPIO_SEL_INPUT: val = 1; break;
+ default:
+ continue;
+ }
+ /* The caller is responsible for not playing with unimplemented bits */
+ if (i < 32) {
+ gpio_io_sel &= ~( 1 << i);
+ gpio_io_sel |= (val << i);
+ } else {
+ gpio_io_sel2 &= ~( 1 << (i - 32));
+ gpio_io_sel2 |= (val << (i - 32));
+ }
+ }
+ outl(gpio_io_sel, res->base + 0x04);
+ outl(gpio_io_sel2, res->base + 0x34);
+}
+
+static void set_i82801db_gpio_level(
+ device_t dev, struct resource *res, config_t *config)
+{
+ uint32_t gpio_lvl, gpio_lvl2;
+ uint32_t gpio_blink;
+ int i;
+
+ gpio_lvl = 0x1b3f0000;
+ gpio_blink = 0x00040000;
+ gpio_lvl2 = 0x00030207;
+ for(i = 0; i < 64; i++) {
+ int val, blink;
+ switch(config->gpio[i] & ICH5R_GPIO_LVL_MASK) {
+ case ICH5R_GPIO_LVL_LOW: val = 0; blink = 0; break;
+ case ICH5R_GPIO_LVL_HIGH: val = 1; blink = 0; break;
+ case ICH5R_GPIO_LVL_BLINK: val = 1; blink = 1; break;
+ default:
+ continue;
+ }
+ /* The caller is responsible for not playing with unimplemented bits */
+ if (i < 32) {
+ gpio_lvl &= ~( 1 << i);
+ gpio_blink &= ~( 1 << i);
+ gpio_lvl |= ( val << i);
+ gpio_blink |= (blink << i);
+ } else {
+ gpio_lvl2 &= ~( 1 << (i - 32));
+ gpio_lvl2 |= (val << (i - 32));
+ }
+ }
+ outl(gpio_lvl, res->base + 0x0c);
+ outl(gpio_blink, res->base + 0x18);
+ outl(gpio_lvl2, res->base + 0x38);
+}
+
+static void set_i82801db_gpio_inv(
+ device_t dev, struct resource *res, config_t *config)
+{
+ uint32_t gpio_inv;
+ int i;
+
+ gpio_inv = 0x00000000;
+ for(i = 0; i < 32; i++) {
+ int val;
+ switch(config->gpio[i] & ICH5R_GPIO_INV_MASK) {
+ case ICH5R_GPIO_INV_OFF: val = 0; break;
+ case ICH5R_GPIO_INV_ON: val = 1; break;
+ default:
+ continue;
+ }
+ gpio_inv &= ~( 1 << i);
+ gpio_inv |= (val << i);
+ }
+ outl(gpio_inv, res->base + 0x2c);
+}
+
+static void i82801db_pirq_init(device_t dev)
+{
+ config_t *config;
+
+ /* Get the chip configuration */
+ config = dev->chip_info;
+
+ if(config->pirq_a_d) {
+ printk_debug("\n\nIRQs A to D = %04x\n\n", config->pirq_a_d);
+ pci_write_config32(dev, 0x60, config->pirq_a_d);
+ }
+ if(config->pirq_e_h) {
+ printk_debug("\n\nIRQs e to h = %04x\n\n", config->pirq_e_h);
+ pci_write_config32(dev, 0x68, config->pirq_e_h);
+ }
+}
+
+
+static void i82801db_gpio_init(device_t dev)
+{
+ struct resource *res;
+ config_t *config;
+
+ /* Skip if I don't have any configuration */
+ if (!dev->chip_info) {
+ return;
+ }
+ /* The programmer is responsible for ensuring
+ * a valid gpio configuration.
+ */
+
+ /* Get the chip configuration */
+ config = dev->chip_info;
+ /* Find the GPIO bar */
+ res = find_resource(dev, GPIO_BAR);
+ if (!res) {
+ return;
+ }
+
+ /* Set the use selects */
+ set_i82801db_gpio_use_sel(dev, res, config);
+
+ /* Set the IO direction */
+ set_i82801db_gpio_direction(dev, res, config);
+
+ /* Setup the input inverters */
+ set_i82801db_gpio_inv(dev, res, config);
+
+ /* Set the value on the GPIO output pins */
+ set_i82801db_gpio_level(dev, res, config);
+
+}
+
+static void enable_hpet(struct device *dev)
+{
+const unsigned long hpet_address = 0xfed0000;
+
+ uint32_t dword;
+ uint32_t code = (0 & 0x3);
+
+ dword = pci_read_config32(dev, GEN_CNTL);
+ dword |= (1 << 17); /* enable hpet */
+
+ /* Bits [16:15] Memory Address Range
+ * 00 FED0_0000h - FED0_03FFh
+ * 01 FED0_1000h - FED0_13FFh
+ * 10 FED0_2000h - FED0_23FFh
+ * 11 FED0_3000h - FED0_33FFh
+ */
+
+ dword &= ~(3 << 15); /* clear it */
+ dword |= (code<<15);
+
+ printk_debug("enabling HPET @0x%x\n", hpet_address | (code <<12) );
+}
+
+static void lpc_init(struct device *dev)
+{
+ uint8_t byte;
+ uint32_t value;
+ int pwr_on=MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
+
+ /* IO APIC initialization */
+ value = pci_read_config32(dev, 0xd0);
+ value |= (1 << 8)|(1<<7)|(1<<1);
+ pci_write_config32(dev, 0xd0, value);
+ value = pci_read_config32(dev, 0xd4);
+ value |= (1<<1);
+ pci_write_config32(dev, 0xd4, value);
+ setup_ioapic();
+
+ i82801db_enable_serial_irqs(dev);
+
+ i82801db_pci_dma_cfg(dev);
+
+ i82801db_enable_lpc(dev);
+
+ /* Clear SATA to non raid
+ pci_write_config8(dev, 0xae, 0x00);
+ */
+
+ 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 */
+ i82801db_pirq_init(dev);
+
+ /* Set the state of the gpio lines */
+ i82801db_gpio_init(dev);
+
+ /* Initialize the real time clock */
+ rtc_init(0);
+
+ /* Initialize isa dma */
+ isa_dma_init();
+
+ /* Disable IDE (needed when sata is enabled)
+ pci_write_config8(dev, 0xf2, 0x60);
+ */
+
+ enable_hpet(dev);
+}
+
+static void i82801db_lpc_read_resources(device_t dev)
+{
+ struct resource *res;
+
+ /* Get the normal pci resources of this device */
+ pci_dev_read_resources(dev);
+
+ /* Add the ACPI BAR */
+ res = pci_get_resource(dev, ACPI_BAR);
+
+ /* Add the GPIO BAR */
+ res = pci_get_resource(dev, GPIO_BAR);
+
+ /* Add an extra subtractive resource for both memory and I/O */
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+}
+
+static void i82801db_lpc_enable_resources(device_t dev)
+{
+ uint8_t acpi_cntl, gpio_cntl;
+
+ /* Enable the normal pci resources */
+ pci_dev_enable_resources(dev);
+
+ /* Enable the ACPI bar */
+ acpi_cntl = pci_read_config8(dev, 0x44);
+ acpi_cntl |= (1 << 4);
+ pci_write_config8(dev, 0x44, acpi_cntl);
+
+ /* Enable the GPIO bar */
+ gpio_cntl = pci_read_config8(dev, 0x5c);
+ gpio_cntl |= (1 << 4);
+ pci_write_config8(dev, 0x5c, gpio_cntl);
+
+ enable_childrens_resources(dev);
+}
+
+static struct pci_operations lops_pci = {
+ .set_subsystem = 0,
+};
+
+static struct device_operations lpc_ops = {
+ .read_resources = i82801db_lpc_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = i82801db_lpc_enable_resources,
+ .init = lpc_init,
+ .scan_bus = scan_static_bus,
+ .enable = i82801db_enable,
+ .ops_pci = &lops_pci,
+};
+
+static struct pci_driver lpc_driver __pci_driver = {
+ .ops = &lpc_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82801DB_ISA,
+};
diff --git a/src/southbridge/intel/i82801db/i82801db_pci.c b/src/southbridge/intel/i82801db/i82801db_pci.c
new file mode 100644
index 0000000000..82a2f4ed32
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_pci.c
@@ -0,0 +1,63 @@
+/*
+ * This file is part of the LinuxBIOS 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 <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include "i82801db.h"
+
+static void pci_init(struct device *dev)
+{
+ uint32_t dword;
+ uint16_t word;
+
+ /* Clear system errors */
+ word = pci_read_config16(dev, 0x06);
+ word |= 0xf900; /* Clear possible errors */
+ pci_write_config16(dev, 0x06, word);
+
+#if 0
+ /* System error enable */
+ dword = pci_read_config32(dev, 0x04);
+ dword |= (1<<8); /* SERR# Enable */
+ dword |= (1<<6); /* Parity Error Response */
+ pci_write_config32(dev, 0x04, dword);
+#endif
+
+ word = pci_read_config16(dev, 0x1e);
+ word |= 0xf800; /* Clear possible errors */
+ pci_write_config16(dev, 0x1e, word);
+}
+
+static struct device_operations pci_ops = {
+ .read_resources = pci_bus_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_bus_enable_resources,
+ .init = pci_init,
+ .scan_bus = pci_scan_bridge,
+ .ops_pci = 0,
+};
+
+static struct pci_driver pci_driver __pci_driver = {
+ .ops = &pci_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82801DB_PCI,
+};
+
diff --git a/src/southbridge/intel/i82801db/i82801db_reset.c b/src/southbridge/intel/i82801db/i82801db_reset.c
new file mode 100644
index 0000000000..e8d6f02e4d
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_reset.c
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the LinuxBIOS 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 <arch/io.h>
+
+void i82801db_hard_reset(void)
+{
+ /* Try rebooting through port 0xcf9 */
+ outb((0 <<3)|(1<<2)|(1<<1), 0xcf9);
+}
diff --git a/src/southbridge/intel/i82801db/i82801db_smbus.c b/src/southbridge/intel/i82801db/i82801db_smbus.c
new file mode 100644
index 0000000000..c6806afa67
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_smbus.c
@@ -0,0 +1,63 @@
+/*
+ * This file is part of the LinuxBIOS 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 <device/device.h>
+#include <device/path.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <device/smbus.h>
+#include <arch/io.h>
+#include "i82801db.h"
+#include "i82801db_smbus.h"
+
+static int lsmbus_read_byte(struct bus *bus, device_t dev, uint8_t address)
+{
+ unsigned device;
+ struct resource *res;
+
+ device = dev->path.u.i2c.device;
+ res = find_resource(bus->dev, 0x20);
+
+ return do_smbus_read_byte(res->base, device, address);
+}
+
+static struct smbus_bus_operations lops_smbus_bus = {
+ .read_byte = lsmbus_read_byte,
+};
+static struct pci_operations lops_pci = {
+ /* The subsystem id follows the ide controller */
+ .set_subsystem = 0,
+};
+static struct device_operations smbus_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = 0,
+ .scan_bus = scan_static_bus,
+ .enable = i82801db_enable,
+ .ops_pci = &lops_pci,
+ .ops_smbus_bus = &lops_smbus_bus,
+};
+
+static struct pci_driver smbus_driver __pci_driver = {
+ .ops = &smbus_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82801DB_SMB,
+};
+
diff --git a/src/southbridge/intel/i82801db/i82801db_smbus.h b/src/southbridge/intel/i82801db/i82801db_smbus.h
new file mode 100644
index 0000000000..b7ba527dae
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_smbus.h
@@ -0,0 +1,123 @@
+/*
+ * This file is part of the LinuxBIOS 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 <device/smbus_def.h>
+
+#define SMBHSTSTAT 0x0
+#define SMBHSTCTL 0x2
+#define SMBHSTCMD 0x3
+#define SMBXMITADD 0x4
+#define SMBHSTDAT0 0x5
+#define SMBHSTDAT1 0x6
+#define SMBBLKDAT 0x7
+#define SMBTRNSADD 0x9
+#define SMBSLVDATA 0xa
+#define SMLINK_PIN_CTL 0xe
+#define SMBUS_PIN_CTL 0xf
+
+#define SMBUS_TIMEOUT (100*1000*10)
+
+
+static void smbus_delay(void)
+{
+ outb(0x80, 0x80);
+}
+
+static int smbus_wait_until_ready(unsigned smbus_io_base)
+{
+ unsigned loops = SMBUS_TIMEOUT;
+ unsigned char byte;
+ do {
+ smbus_delay();
+ if (--loops == 0)
+ break;
+ byte = inb(smbus_io_base + SMBHSTSTAT);
+ } while(byte & 1);
+ return loops?0:-1;
+}
+
+static int smbus_wait_until_done(unsigned smbus_io_base)
+{
+ unsigned loops = SMBUS_TIMEOUT;
+ unsigned char byte;
+ do {
+ smbus_delay();
+ if (--loops == 0)
+ break;
+ byte = inb(smbus_io_base + SMBHSTSTAT);
+ } while((byte & 1) || (byte & ~((1<<6)|(1<<0))) == 0);
+ return loops?0:-1;
+}
+
+static int smbus_wait_until_blk_done(unsigned smbus_io_base)
+{
+ unsigned loops = SMBUS_TIMEOUT;
+ unsigned char byte;
+ do {
+ smbus_delay();
+ if (--loops == 0)
+ break;
+ byte = inb(smbus_io_base + SMBHSTSTAT);
+ } while((byte&(1<<7)) == 0);
+ return loops?0:-1;
+}
+
+static int do_smbus_read_byte(unsigned smbus_io_base, unsigned device, unsigned address)
+{
+ unsigned char global_status_register;
+ unsigned char byte;
+
+ if (smbus_wait_until_ready(smbus_io_base) < 0) {
+ return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
+ }
+ /* setup transaction */
+ /* disable interrupts */
+ outb(inb(smbus_io_base + SMBHSTCTL) & (~1), smbus_io_base + SMBHSTCTL);
+ /* set the device I'm talking too */
+ outb(((device & 0x7f) << 1) | 1, smbus_io_base + SMBXMITADD);
+ /* set the command/address... */
+ outb(address & 0xFF, smbus_io_base + SMBHSTCMD);
+ /* set up for a byte data read */
+ outb((inb(smbus_io_base + SMBHSTCTL) & 0xE3) | (0x2 << 2), smbus_io_base + SMBHSTCTL);
+ /* clear any lingering errors, so the transaction will run */
+ outb(inb(smbus_io_base + SMBHSTSTAT), smbus_io_base + SMBHSTSTAT);
+
+ /* clear the data byte...*/
+ outb(0, smbus_io_base + SMBHSTDAT0);
+
+ /* start the command */
+ outb((inb(smbus_io_base + SMBHSTCTL) | 0x40), smbus_io_base + SMBHSTCTL);
+
+ /* poll for transaction completion */
+ if (smbus_wait_until_done(smbus_io_base) < 0) {
+ return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
+ }
+
+ global_status_register = inb(smbus_io_base + SMBHSTSTAT);
+
+ /* Ignore the In Use Status... */
+ global_status_register &= ~(3 << 5);
+
+ /* read results of transaction */
+ byte = inb(smbus_io_base + SMBHSTDAT0);
+ if (global_status_register != (1 << 1)) {
+ return SMBUS_ERROR;
+ }
+ return byte;
+}
+
diff --git a/src/southbridge/intel/i82801db/i82801db_uhci.c b/src/southbridge/intel/i82801db/i82801db_uhci.c
new file mode 100644
index 0000000000..40f711f6ee
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_uhci.c
@@ -0,0 +1,74 @@
+/*
+ * This file is part of the LinuxBIOS 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 <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include "i82801db.h"
+
+static void uhci_init(struct device *dev)
+{
+ uint32_t cmd;
+
+#if 1
+ printk_debug("UHCI: Setting up controller.. ");
+ cmd = pci_read_config32(dev, PCI_COMMAND);
+ pci_write_config32(dev, PCI_COMMAND,
+ cmd | PCI_COMMAND_MASTER);
+
+
+ printk_debug("done.\n");
+#endif
+
+}
+
+static struct pci_operations lops_pci = {
+ /* The subsystem id follows the ide controller */
+ .set_subsystem = 0,
+};
+
+static struct device_operations uhci_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = uhci_init,
+ .scan_bus = 0,
+ .enable = i82801db_enable,
+ .ops_pci = &lops_pci,
+};
+
+static struct pci_driver uhci_driver __pci_driver = {
+ .ops = &uhci_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82801DB_USB0,
+};
+
+static struct pci_driver usb2_driver __pci_driver = {
+ .ops = &uhci_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82801DB_USB1,
+};
+
+static struct pci_driver usb3_driver __pci_driver = {
+ .ops = &uhci_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82801DB_USB2,
+};
+
diff --git a/src/southbridge/intel/i82801db/i82801db_watchdog.c b/src/southbridge/intel/i82801db/i82801db_watchdog.c
new file mode 100644
index 0000000000..dab1c69f92
--- /dev/null
+++ b/src/southbridge/intel/i82801db/i82801db_watchdog.c
@@ -0,0 +1,46 @@
+/*
+ * This file is part of the LinuxBIOS 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 <console/console.h>
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pci.h>
+
+void watchdog_off(void)
+{
+ device_t dev;
+ unsigned long value,base;
+
+ /* turn off the ICH5 watchdog */
+ dev = dev_find_slot(0, PCI_DEVFN(0x1f,0));
+ /* Enable I/O space */
+ value = pci_read_config16(dev, 0x04);
+ value |= (1 << 10);
+ pci_write_config16(dev, 0x04, value);
+ /* Get TCO base */
+ base = (pci_read_config32(dev, 0x40) & 0x0fffe) + 0x60;
+ /* Disable the watchdog timer */
+ value = inw(base + 0x08);
+ value |= 1 << 11;
+ outw(value, base + 0x08);
+ /* Clear TCO timeout status */
+ outw(0x0008, base + 0x04);
+ outw(0x0002, base + 0x06);
+ printk_debug("Watchdog ICH5 disabled\r\n");
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 14:38:13 +0000