ouch. it's 8_2_371. I'll fix it. This commit breaks compilation
authorStefan Reinauer <stepan@openbios.org>
Fri, 4 Aug 2006 07:47:28 +0000 (07:47 +0000)
committerStefan Reinauer <stepan@openbios.org>
Fri, 4 Aug 2006 07:47:28 +0000 (07:47 +0000)
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2362 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/southbridge/intel/i82371eb/chip.h [new file with mode: 0644]
src/southbridge/intel/i82371eb/i8371eb_early_smbus.c [new file with mode: 0644]
src/southbridge/intel/i82371eb/i8371eb_smbus.c [new file with mode: 0644]
src/southbridge/intel/i82371eb/i8371eb_smbus.h [new file with mode: 0644]
src/southbridge/intel/i8371eb/chip.h [deleted file]
src/southbridge/intel/i8371eb/i8371eb_early_smbus.c [deleted file]
src/southbridge/intel/i8371eb/i8371eb_smbus.c [deleted file]
src/southbridge/intel/i8371eb/i8371eb_smbus.h [deleted file]

diff --git a/src/southbridge/intel/i82371eb/chip.h b/src/southbridge/intel/i82371eb/chip.h
new file mode 100644 (file)
index 0000000..9516f3c
--- /dev/null
@@ -0,0 +1,13 @@
+#ifndef I8371EB_CHIP_H
+#define I8371EB_CHIP_H
+
+struct southbridge_intel_i8371eb_config 
+{
+       unsigned int ide0_enable : 1;
+       unsigned int ide1_enable : 1;
+};
+
+struct chip_operations;
+extern struct chip_operations southbridge_intel_i8371eb_ops;
+
+#endif /* I8371EB_CHIP_H */
diff --git a/src/southbridge/intel/i82371eb/i8371eb_early_smbus.c b/src/southbridge/intel/i82371eb/i8371eb_early_smbus.c
new file mode 100644 (file)
index 0000000..4b12048
--- /dev/null
@@ -0,0 +1,53 @@
+#include "i8371eb_smbus.h"
+
+#define SMBUS_IO_BASE 0x0f00
+
+static void enable_smbus(void)
+{
+       device_t dev;
+       dev = pci_locate_device(PCI_ID(0x8086, 0x7113), 0);
+       if (dev == PCI_DEV_INVALID) {
+               die("SMBUS controller not found\r\n");
+       }
+       uint8_t enable;
+       print_spew("SMBus controller enabled\r\n");
+       pci_write_config32(dev, 0x90, SMBUS_IO_BASE | 1 );
+       // Enable and set SMBBus 
+       // 0x01 Interrupt to SMI# 
+       // (0x4<<1)|1 set interrupt to IRQ9
+       pci_write_config8(dev, 0xd2, (0x4<<1)|1);
+       
+       // Enable the IO space
+       pci_write_config16(dev, 0x04, 1);
+       
+       /* clear any lingering errors, so the transaction will run */
+       outb(0x1e, SMBUS_IO_BASE + SMBHST_STATUS);
+}
+
+
+
+static int smbus_read_byte(unsigned device, unsigned address)
+{
+       return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
+}
+
+
+// The following functions are broken.  Do no use until you
+// have fixed the low level code to do the right thing.
+//
+#if 0
+static int smbus_write_byte(unsigned device, unsigned address, unsigned char val)
+{
+       return do_smbus_write_byte(SMBUS_IO_BASE, device, address, val);
+}
+
+static int smbus_recv_byte(unsigned device)
+{
+       return do_smbus_recv_byte(SMBUS_IO_BASE, device);
+}
+
+static int smbus_send_byte(unsigned device, unsigned char val)
+{
+       return do_smbus_send_byte(SMBUS_IO_BASE, device, val);
+}
+#endif
diff --git a/src/southbridge/intel/i82371eb/i8371eb_smbus.c b/src/southbridge/intel/i82371eb/i8371eb_smbus.c
new file mode 100644 (file)
index 0000000..7a09cce
--- /dev/null
@@ -0,0 +1,43 @@
+/*
+ * (C) 2004 Linux Networx
+ * (C) 2005 Bitworks
+*/
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <device/smbus.h>
+#include <arch/io.h>
+#include "i8371eb.h"
+
+
+static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+       pci_write_config32(dev, 0x44, 
+               ((device & 0xffff) << 16) | (vendor & 0xffff));
+}
+
+static struct smbus_bus_operations lops_smbus_bus = {
+};
+
+static struct pci_operations lops_pci = {
+       .set_subsystem = lpci_set_subsystem,
+};
+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           = i8371eb_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_INTEL_440BX_SMB,
+};
diff --git a/src/southbridge/intel/i82371eb/i8371eb_smbus.h b/src/southbridge/intel/i82371eb/i8371eb_smbus.h
new file mode 100644 (file)
index 0000000..e1893c5
--- /dev/null
@@ -0,0 +1,239 @@
+#include <device/smbus_def.h>
+
+#define SMBHST_STATUS  0x0
+#define SMBHST_CTL     0x2
+#define SMBHST_CMD     0x3
+#define SMBHST_ADDR    0x4
+#define SMBHST_DAT     0x5
+
+#define SMBUS_TIMEOUT (100*1000*10)
+#define SMBUS_STATUS_MASK 0x1e
+#define SMBUS_ERROR_FLAG (1<<2)
+
+static inline void smbus_delay(void)
+{
+       outb(0x80, 0x80);
+       outb(0x80, 0x80);
+       outb(0x80, 0x80);
+       outb(0x80, 0x80);
+       outb(0x80, 0x80);
+       outb(0x80, 0x80);
+}
+
+static int smbus_wait_until_ready(unsigned smbus_io_base)
+{
+       unsigned long loops;
+       loops = SMBUS_TIMEOUT;
+       do {
+               unsigned char val;
+               smbus_delay();
+               val = inb(smbus_io_base + SMBHST_STATUS);
+               if ((val & 0x1) == 0) {
+                       break;
+               }
+#if 0          
+               if(loops == (SMBUS_TIMEOUT / 2)) {
+                       outw(inw(smbus_io_base + SMBHST_STATUS), 
+                               smbus_io_base + SMBHST_STATUS);
+               }
+#endif
+       } while(--loops);
+       return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT;
+}
+
+static int smbus_wait_until_done(unsigned smbus_io_base)
+{
+       unsigned long loops;
+       loops = SMBUS_TIMEOUT;
+       do {
+               unsigned short val;
+               smbus_delay();
+               
+               val = inb(smbus_io_base + SMBHST_STATUS);
+               // Make sure the command is done
+               if ((val & 0x1) != 0) { 
+                       continue;
+               }
+               // Don't break out until one of the interrupt
+               // flags is set.
+               if (val & 0xfe) {
+                       break;
+               }
+       } while(--loops);
+       return loops?0:SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
+}
+
+static int do_smbus_recv_byte(unsigned smbus_io_base, unsigned device)
+{
+       unsigned global_status_register;
+       unsigned byte;
+
+       if (smbus_wait_until_ready(smbus_io_base) < 0) {
+               return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
+       }
+       
+       /* setup transaction */
+       /* disable interrupts */
+       outw(inw(smbus_io_base + SMBHST_CTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBHST_CTL);
+       /* set the device I'm talking too */
+       outw(((device & 0x7f) << 1) | 1, smbus_io_base + SMBHST_ADDR);
+       /* set the command/address... */
+       outb(0, smbus_io_base + SMBHST_CMD);
+       /* set up for a send byte */
+       outw((inw(smbus_io_base + SMBHST_CTL) & ~7) | (0x1), smbus_io_base + SMBHST_CTL);
+
+       /* 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 + SMBHST_STATUS), smbus_io_base + SMBHST_STATUS);
+
+       /* set the data word...*/
+       outw(0, smbus_io_base + SMBHST_DAT);
+
+       /* start the command */
+       outw((inw(smbus_io_base + SMBHST_CTL) | (1 << 3)), smbus_io_base + SMBHST_CTL);
+
+
+       /* poll for transaction completion */
+       if (smbus_wait_until_done(smbus_io_base) < 0) {
+               return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
+       }
+
+       global_status_register = inw(smbus_io_base + SMBHST_STATUS);
+
+       /* read results of transaction */
+       byte = inb(smbus_io_base + SMBHST_DAT) & 0xff;
+
+       // Check for any result other than a command completion
+       if ((global_status_register & SMBUS_STATUS_MASK) != (1 << 1)) {
+               return SMBUS_ERROR;
+       }
+       return byte;
+}
+
+static int do_smbus_send_byte(unsigned smbus_io_base, unsigned device, unsigned value)
+{
+       unsigned global_status_register;
+
+       if (smbus_wait_until_ready(smbus_io_base) < 0) {
+               return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
+       }
+       
+       /* setup transaction */
+       /* disable interrupts */
+       outw(inw(smbus_io_base + SMBHST_CTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBHST_CTL);
+       /* set the device I'm talking too */
+       outw(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHST_ADDR);
+       /* set the command/address... */
+       outb(0, smbus_io_base + SMBHST_CMD);
+       /* set up for a send byte */
+       outw((inw(smbus_io_base + SMBHST_CTL) & ~7) | (0x1), smbus_io_base + SMBHST_CTL);
+
+       /* 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 + SMBHST_STATUS), smbus_io_base + SMBHST_STATUS);
+
+       /* set the data word...*/
+       outw(value, smbus_io_base + SMBHST_DAT);
+
+       /* start the command */
+       outw((inw(smbus_io_base + SMBHST_CTL) | (1 << 3)), smbus_io_base + SMBHST_CTL);
+
+
+       /* poll for transaction completion */
+       if (smbus_wait_until_done(smbus_io_base) < 0) {
+               return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
+       }
+       global_status_register = inw(smbus_io_base + SMBHST_STATUS);
+
+       if ((global_status_register & SMBUS_STATUS_MASK) != (1 << 4)) {
+               return SMBUS_ERROR;
+       }
+       return 0;
+}
+
+
+static int do_smbus_read_byte(unsigned smbus_io_base, unsigned device, unsigned address)
+{
+       unsigned status_register;
+       unsigned byte;
+
+       if (smbus_wait_until_ready(smbus_io_base) < 0) {
+               return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
+       }
+       
+       /* setup transaction */
+
+       /* clear any lingering errors, so the transaction will run */
+       outb(0x1e, smbus_io_base + SMBHST_STATUS);
+
+       /* set the device I'm talking too */
+       outb(((device & 0x7f) << 1) | 1, smbus_io_base + SMBHST_ADDR);
+
+       /* set the command/address... */
+       outb(address & 0xff, smbus_io_base + SMBHST_CMD);
+
+       /* clear the data word...*/
+       outb(0, smbus_io_base + SMBHST_DAT);
+
+       /* start a byte read with interrupts disabled */
+       outb( (0x02 << 2)|(1<<6), smbus_io_base + SMBHST_CTL);
+
+       /* poll for transaction completion */
+       if (smbus_wait_until_done(smbus_io_base) < 0) {
+               return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
+       }
+
+       status_register = inw(smbus_io_base + SMBHST_STATUS);
+
+       /* read results of transaction */
+       byte = inw(smbus_io_base + SMBHST_DAT) & 0xff;
+
+       if (status_register & 0x04) {
+#if 0
+               print_debug("Read fail ");
+               print_debug_hex16(status_register);
+               print_debug("\r\n");
+#endif
+               return SMBUS_ERROR;
+       }
+       return byte;
+}
+
+static int do_smbus_write_byte(unsigned smbus_io_base, unsigned device, unsigned address, unsigned char val)
+{
+       unsigned global_status_register;
+
+       if (smbus_wait_until_ready(smbus_io_base) < 0) {
+               return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
+       }
+
+       /* setup transaction */
+       /* disable interrupts */
+       outw(inw(smbus_io_base + SMBHST_CTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBHST_CTL);
+       /* set the device I'm talking too */
+       outw(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHST_ADDR);
+       outb(address & 0xFF, smbus_io_base + SMBHST_CMD);
+       /* set up for a byte data write */ /* FIXME */
+       outw((inw(smbus_io_base + SMBHST_CTL) & ~7) | (0x2), smbus_io_base + SMBHST_CTL);
+       /* 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 + SMBHST_STATUS), smbus_io_base + SMBHST_STATUS);
+
+       /* write the data word...*/
+       outw(val, smbus_io_base + SMBHST_DAT);
+
+       /* start the command */
+       outw((inw(smbus_io_base + SMBHST_CTL) | (1 << 3)), smbus_io_base + SMBHST_CTL);
+
+       /* poll for transaction completion */
+       if (smbus_wait_until_done(smbus_io_base) < 0) {
+               return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
+       }
+       global_status_register = inw(smbus_io_base + SMBHST_STATUS);
+
+       if ((global_status_register & SMBUS_STATUS_MASK) != (1 << 1)) {
+               return SMBUS_ERROR;
+       }
+       return 0;
+}
+
diff --git a/src/southbridge/intel/i8371eb/chip.h b/src/southbridge/intel/i8371eb/chip.h
deleted file mode 100644 (file)
index 9516f3c..0000000
+++ /dev/null
@@ -1,13 +0,0 @@
-#ifndef I8371EB_CHIP_H
-#define I8371EB_CHIP_H
-
-struct southbridge_intel_i8371eb_config 
-{
-       unsigned int ide0_enable : 1;
-       unsigned int ide1_enable : 1;
-};
-
-struct chip_operations;
-extern struct chip_operations southbridge_intel_i8371eb_ops;
-
-#endif /* I8371EB_CHIP_H */
diff --git a/src/southbridge/intel/i8371eb/i8371eb_early_smbus.c b/src/southbridge/intel/i8371eb/i8371eb_early_smbus.c
deleted file mode 100644 (file)
index 4b12048..0000000
+++ /dev/null
@@ -1,53 +0,0 @@
-#include "i8371eb_smbus.h"
-
-#define SMBUS_IO_BASE 0x0f00
-
-static void enable_smbus(void)
-{
-       device_t dev;
-       dev = pci_locate_device(PCI_ID(0x8086, 0x7113), 0);
-       if (dev == PCI_DEV_INVALID) {
-               die("SMBUS controller not found\r\n");
-       }
-       uint8_t enable;
-       print_spew("SMBus controller enabled\r\n");
-       pci_write_config32(dev, 0x90, SMBUS_IO_BASE | 1 );
-       // Enable and set SMBBus 
-       // 0x01 Interrupt to SMI# 
-       // (0x4<<1)|1 set interrupt to IRQ9
-       pci_write_config8(dev, 0xd2, (0x4<<1)|1);
-       
-       // Enable the IO space
-       pci_write_config16(dev, 0x04, 1);
-       
-       /* clear any lingering errors, so the transaction will run */
-       outb(0x1e, SMBUS_IO_BASE + SMBHST_STATUS);
-}
-
-
-
-static int smbus_read_byte(unsigned device, unsigned address)
-{
-       return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
-}
-
-
-// The following functions are broken.  Do no use until you
-// have fixed the low level code to do the right thing.
-//
-#if 0
-static int smbus_write_byte(unsigned device, unsigned address, unsigned char val)
-{
-       return do_smbus_write_byte(SMBUS_IO_BASE, device, address, val);
-}
-
-static int smbus_recv_byte(unsigned device)
-{
-       return do_smbus_recv_byte(SMBUS_IO_BASE, device);
-}
-
-static int smbus_send_byte(unsigned device, unsigned char val)
-{
-       return do_smbus_send_byte(SMBUS_IO_BASE, device, val);
-}
-#endif
diff --git a/src/southbridge/intel/i8371eb/i8371eb_smbus.c b/src/southbridge/intel/i8371eb/i8371eb_smbus.c
deleted file mode 100644 (file)
index 7a09cce..0000000
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * (C) 2004 Linux Networx
- * (C) 2005 Bitworks
-*/
-
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
-#include <device/smbus.h>
-#include <arch/io.h>
-#include "i8371eb.h"
-
-
-static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
-{
-       pci_write_config32(dev, 0x44, 
-               ((device & 0xffff) << 16) | (vendor & 0xffff));
-}
-
-static struct smbus_bus_operations lops_smbus_bus = {
-};
-
-static struct pci_operations lops_pci = {
-       .set_subsystem = lpci_set_subsystem,
-};
-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           = i8371eb_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_INTEL_440BX_SMB,
-};
diff --git a/src/southbridge/intel/i8371eb/i8371eb_smbus.h b/src/southbridge/intel/i8371eb/i8371eb_smbus.h
deleted file mode 100644 (file)
index e1893c5..0000000
+++ /dev/null
@@ -1,239 +0,0 @@
-#include <device/smbus_def.h>
-
-#define SMBHST_STATUS  0x0
-#define SMBHST_CTL     0x2
-#define SMBHST_CMD     0x3
-#define SMBHST_ADDR    0x4
-#define SMBHST_DAT     0x5
-
-#define SMBUS_TIMEOUT (100*1000*10)
-#define SMBUS_STATUS_MASK 0x1e
-#define SMBUS_ERROR_FLAG (1<<2)
-
-static inline void smbus_delay(void)
-{
-       outb(0x80, 0x80);
-       outb(0x80, 0x80);
-       outb(0x80, 0x80);
-       outb(0x80, 0x80);
-       outb(0x80, 0x80);
-       outb(0x80, 0x80);
-}
-
-static int smbus_wait_until_ready(unsigned smbus_io_base)
-{
-       unsigned long loops;
-       loops = SMBUS_TIMEOUT;
-       do {
-               unsigned char val;
-               smbus_delay();
-               val = inb(smbus_io_base + SMBHST_STATUS);
-               if ((val & 0x1) == 0) {
-                       break;
-               }
-#if 0          
-               if(loops == (SMBUS_TIMEOUT / 2)) {
-                       outw(inw(smbus_io_base + SMBHST_STATUS), 
-                               smbus_io_base + SMBHST_STATUS);
-               }
-#endif
-       } while(--loops);
-       return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-}
-
-static int smbus_wait_until_done(unsigned smbus_io_base)
-{
-       unsigned long loops;
-       loops = SMBUS_TIMEOUT;
-       do {
-               unsigned short val;
-               smbus_delay();
-               
-               val = inb(smbus_io_base + SMBHST_STATUS);
-               // Make sure the command is done
-               if ((val & 0x1) != 0) { 
-                       continue;
-               }
-               // Don't break out until one of the interrupt
-               // flags is set.
-               if (val & 0xfe) {
-                       break;
-               }
-       } while(--loops);
-       return loops?0:SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
-}
-
-static int do_smbus_recv_byte(unsigned smbus_io_base, unsigned device)
-{
-       unsigned global_status_register;
-       unsigned byte;
-
-       if (smbus_wait_until_ready(smbus_io_base) < 0) {
-               return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-       }
-       
-       /* setup transaction */
-       /* disable interrupts */
-       outw(inw(smbus_io_base + SMBHST_CTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBHST_CTL);
-       /* set the device I'm talking too */
-       outw(((device & 0x7f) << 1) | 1, smbus_io_base + SMBHST_ADDR);
-       /* set the command/address... */
-       outb(0, smbus_io_base + SMBHST_CMD);
-       /* set up for a send byte */
-       outw((inw(smbus_io_base + SMBHST_CTL) & ~7) | (0x1), smbus_io_base + SMBHST_CTL);
-
-       /* 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 + SMBHST_STATUS), smbus_io_base + SMBHST_STATUS);
-
-       /* set the data word...*/
-       outw(0, smbus_io_base + SMBHST_DAT);
-
-       /* start the command */
-       outw((inw(smbus_io_base + SMBHST_CTL) | (1 << 3)), smbus_io_base + SMBHST_CTL);
-
-
-       /* poll for transaction completion */
-       if (smbus_wait_until_done(smbus_io_base) < 0) {
-               return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
-       }
-
-       global_status_register = inw(smbus_io_base + SMBHST_STATUS);
-
-       /* read results of transaction */
-       byte = inb(smbus_io_base + SMBHST_DAT) & 0xff;
-
-       // Check for any result other than a command completion
-       if ((global_status_register & SMBUS_STATUS_MASK) != (1 << 1)) {
-               return SMBUS_ERROR;
-       }
-       return byte;
-}
-
-static int do_smbus_send_byte(unsigned smbus_io_base, unsigned device, unsigned value)
-{
-       unsigned global_status_register;
-
-       if (smbus_wait_until_ready(smbus_io_base) < 0) {
-               return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-       }
-       
-       /* setup transaction */
-       /* disable interrupts */
-       outw(inw(smbus_io_base + SMBHST_CTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBHST_CTL);
-       /* set the device I'm talking too */
-       outw(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHST_ADDR);
-       /* set the command/address... */
-       outb(0, smbus_io_base + SMBHST_CMD);
-       /* set up for a send byte */
-       outw((inw(smbus_io_base + SMBHST_CTL) & ~7) | (0x1), smbus_io_base + SMBHST_CTL);
-
-       /* 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 + SMBHST_STATUS), smbus_io_base + SMBHST_STATUS);
-
-       /* set the data word...*/
-       outw(value, smbus_io_base + SMBHST_DAT);
-
-       /* start the command */
-       outw((inw(smbus_io_base + SMBHST_CTL) | (1 << 3)), smbus_io_base + SMBHST_CTL);
-
-
-       /* poll for transaction completion */
-       if (smbus_wait_until_done(smbus_io_base) < 0) {
-               return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
-       }
-       global_status_register = inw(smbus_io_base + SMBHST_STATUS);
-
-       if ((global_status_register & SMBUS_STATUS_MASK) != (1 << 4)) {
-               return SMBUS_ERROR;
-       }
-       return 0;
-}
-
-
-static int do_smbus_read_byte(unsigned smbus_io_base, unsigned device, unsigned address)
-{
-       unsigned status_register;
-       unsigned byte;
-
-       if (smbus_wait_until_ready(smbus_io_base) < 0) {
-               return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-       }
-       
-       /* setup transaction */
-
-       /* clear any lingering errors, so the transaction will run */
-       outb(0x1e, smbus_io_base + SMBHST_STATUS);
-
-       /* set the device I'm talking too */
-       outb(((device & 0x7f) << 1) | 1, smbus_io_base + SMBHST_ADDR);
-
-       /* set the command/address... */
-       outb(address & 0xff, smbus_io_base + SMBHST_CMD);
-
-       /* clear the data word...*/
-       outb(0, smbus_io_base + SMBHST_DAT);
-
-       /* start a byte read with interrupts disabled */
-       outb( (0x02 << 2)|(1<<6), smbus_io_base + SMBHST_CTL);
-
-       /* poll for transaction completion */
-       if (smbus_wait_until_done(smbus_io_base) < 0) {
-               return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
-       }
-
-       status_register = inw(smbus_io_base + SMBHST_STATUS);
-
-       /* read results of transaction */
-       byte = inw(smbus_io_base + SMBHST_DAT) & 0xff;
-
-       if (status_register & 0x04) {
-#if 0
-               print_debug("Read fail ");
-               print_debug_hex16(status_register);
-               print_debug("\r\n");
-#endif
-               return SMBUS_ERROR;
-       }
-       return byte;
-}
-
-static int do_smbus_write_byte(unsigned smbus_io_base, unsigned device, unsigned address, unsigned char val)
-{
-       unsigned global_status_register;
-
-       if (smbus_wait_until_ready(smbus_io_base) < 0) {
-               return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-       }
-
-       /* setup transaction */
-       /* disable interrupts */
-       outw(inw(smbus_io_base + SMBHST_CTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBHST_CTL);
-       /* set the device I'm talking too */
-       outw(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHST_ADDR);
-       outb(address & 0xFF, smbus_io_base + SMBHST_CMD);
-       /* set up for a byte data write */ /* FIXME */
-       outw((inw(smbus_io_base + SMBHST_CTL) & ~7) | (0x2), smbus_io_base + SMBHST_CTL);
-       /* 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 + SMBHST_STATUS), smbus_io_base + SMBHST_STATUS);
-
-       /* write the data word...*/
-       outw(val, smbus_io_base + SMBHST_DAT);
-
-       /* start the command */
-       outw((inw(smbus_io_base + SMBHST_CTL) | (1 << 3)), smbus_io_base + SMBHST_CTL);
-
-       /* poll for transaction completion */
-       if (smbus_wait_until_done(smbus_io_base) < 0) {
-               return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
-       }
-       global_status_register = inw(smbus_io_base + SMBHST_STATUS);
-
-       if ((global_status_register & SMBUS_STATUS_MASK) != (1 << 1)) {
-               return SMBUS_ERROR;
-       }
-       return 0;
-}
-