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authorarch import user (historical) <svn@openbios.org>2005-07-06 17:15:54 +0000
committerarch import user (historical) <svn@openbios.org>2005-07-06 17:15:54 +0000
commit1c8cd59f3c9248f0954a5cf215dc3652ccfc8da5 (patch)
tree7c19d8a922e2d0613a494c5949b2b6f45c388e13 /src/southbridge/via/vt8231
parent7e5fbd6fc03df87c9276b08219ca15ad17c43dac (diff)
Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-38
Creator: Li-Ta Lo <ollie@lanl.gov> emulator update x96emu update from Paulo git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1954 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/via/vt8231')
-rw-r--r--src/southbridge/via/vt8231/Config.lb8
-rw-r--r--src/southbridge/via/vt8231/chip.h10
-rw-r--r--src/southbridge/via/vt8231/vt8231.c450
-rw-r--r--src/southbridge/via/vt8231/vt8231_acpi.c44
-rw-r--r--src/southbridge/via/vt8231/vt8231_early_smbus.c260
-rw-r--r--src/southbridge/via/vt8231/vt8231_ide.c108
-rw-r--r--src/southbridge/via/vt8231/vt8231_lpc.c154
-rw-r--r--src/southbridge/via/vt8231/vt8231_nic.c37
-rw-r--r--src/southbridge/via/vt8231/vt8231_usb.c52
9 files changed, 552 insertions, 571 deletions
diff --git a/src/southbridge/via/vt8231/Config.lb b/src/southbridge/via/vt8231/Config.lb
index 46b4e26129..b0b2ef5abf 100644
--- a/src/southbridge/via/vt8231/Config.lb
+++ b/src/southbridge/via/vt8231/Config.lb
@@ -1,8 +1,2 @@
config chip.h
-driver vt8231.o
-driver vt8231_lpc.o
-driver vt8231_acpi.o
-driver vt8231_ide.o
-driver vt8231_nic.o
-#driver vt8231_usb.o
-
+object vt8231.o
diff --git a/src/southbridge/via/vt8231/chip.h b/src/southbridge/via/vt8231/chip.h
index fef4e2913b..bc1e445f26 100644
--- a/src/southbridge/via/vt8231/chip.h
+++ b/src/southbridge/via/vt8231/chip.h
@@ -4,10 +4,18 @@
extern struct chip_operations southbridge_via_vt8231_ops;
struct southbridge_via_vt8231_config {
- /* enables of Non-PCI devices */
+ /* PCI function enables */
+ /* i.e. so that pci scan bus will find them. */
+ /* I am putting in IDE as an example but obviously this needs
+ * to be more complete!
+ */
+ int enable_ide;
+ /* enables of functions of devices */
+ int enable_usb;
int enable_native_ide;
int enable_com_ports;
int enable_keyboard;
+ int enable_nvram;
};
#endif /* _SOUTHBRIDGE_VIA_VT8231 */
diff --git a/src/southbridge/via/vt8231/vt8231.c b/src/southbridge/via/vt8231/vt8231.c
index 514d0c0626..d78bb2cf86 100644
--- a/src/southbridge/via/vt8231/vt8231.c
+++ b/src/southbridge/via/vt8231/vt8231.c
@@ -1,73 +1,441 @@
-#include <console/console.h>
+
+#include <arch/io.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pci_ids.h>
-
-#include <pc80/mc146818rtc.h>
-#include <pc80/keyboard.h>
-
+#include <console/console.h>
#include "vt8231.h"
#include "chip.h"
-/* Base 8231 controller */
-static device_t lpc_dev;
+void pc_keyboard_init(void);
-void hard_reset(void)
+void hard_reset(void)
{
- printk_err("NO HARD RESET ON VT8231! FIX ME!\n");
+ printk_err("NO HARD RESET ON VT8231! FIX ME!\n");
+}
+
+static void usb_on(int enable)
+{
+ unsigned char regval;
+
+ /* Base 8231 controller */
+ device_t dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0);
+ /* USB controller 1 */
+ device_t dev2 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, 0);
+ /* USB controller 2 */
+ device_t dev3 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, dev2);
+
+ /* enable USB1 */
+ if(dev2) {
+ if (enable) {
+ pci_write_config8(dev2, 0x3c, 0x05);
+ pci_write_config8(dev2, 0x04, 0x07);
+ } else {
+ pci_write_config8(dev2, 0x3c, 0x00);
+ pci_write_config8(dev2, 0x04, 0x00);
+ }
+ }
+
+ if(dev0) {
+ regval = pci_read_config8(dev0, 0x50);
+ if (enable)
+ regval &= ~(0x10);
+ else
+ regval |= 0x10;
+ pci_write_config8(dev0, 0x50, regval);
+ }
+
+ /* enable USB2 */
+ if(dev3) {
+ if (enable) {
+ pci_write_config8(dev3, 0x3c, 0x05);
+ pci_write_config8(dev3, 0x04, 0x07);
+ } else {
+ pci_write_config8(dev3, 0x3c, 0x00);
+ pci_write_config8(dev3, 0x04, 0x00);
+ }
+ }
+
+ if(dev0) {
+ regval = pci_read_config8(dev0, 0x50);
+ if (enable)
+ regval &= ~(0x20);
+ else
+ regval |= 0x20;
+ pci_write_config8(dev0, 0x50, regval);
+ }
}
static void keyboard_on(void)
{
unsigned char regval;
+
+ /* Base 8231 controller */
+ device_t dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0);
+
+ /* kevinh/Ispiri - update entire function to use
+ new pci_write_config8 */
- if (lpc_dev) {
- regval = pci_read_config8(lpc_dev, 0x51);
+ if (dev0) {
+ regval = pci_read_config8(dev0, 0x51);
regval |= 0x0f;
- pci_write_config8(lpc_dev, 0x51, regval);
+ pci_write_config8(dev0, 0x51, regval);
}
init_pc_keyboard(0x60, 0x64, 0);
}
-static void com_port_on(void)
+static void nvram_on(void)
{
-#if 0
- // enable com1 and com2.
- enables = pci_read_config8(dev, 0x6e);
-
- /* 0x80 is enable com port b, 0x10 is to make it com2, 0x8
- * is enable com port a as com1 kevinh/Ispiri - Old code
- * thought 0x01 would make it com1, that was wrong enables =
- * 0x80 | 0x10 | 0x8 ; pci_write_config8(dev, 0x6e,
- * enables); // note: this is also a redo of some port of
- * assembly, but we want everything up.
+ /*
+ * the VIA 8231 South has a very different nvram setup than the
+ * piix4e ...
+ * turn on ProMedia nvram.
+ * TO DO: use the PciWriteByte function here.
*/
-
- /* set com1 to 115 kbaud not clear how to do this yet.
- * forget it; done in assembly.
+
+ /*
+ * kevinh/Ispiri - I don't think this is the correct address/value
+ * intel_conf_writeb(0x80008841, 0xFF);
*/
-#endif
}
-/* FixME: to be removed ? */
-static void vt8231_enable(struct device *dev)
+
+/*
+ * Enable the ethernet device and turn off stepping (because it is integrated
+ * inside the southbridge)
+ */
+static void ethernet_fixup()
+{
+ device_t edev;
+ uint8_t byte;
+
+ printk_info("Ethernet fixup\n");
+
+ edev = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_7, 0);
+ if (edev) {
+ printk_debug("Configuring VIA LAN\n");
+
+ /* We don't need stepping - though the device supports it */
+ byte = pci_read_config8(edev, PCI_COMMAND);
+ byte &= ~PCI_COMMAND_WAIT;
+ pci_write_config8(edev, PCI_COMMAND, byte);
+ } else {
+ printk_debug("VIA LAN not found\n");
+ }
+}
+
+
+/* we need to do things in this function so that PCI scan will find
+ * them. One problem here is that we can't use ANY of the new device
+ * stuff. This work here precedes all that.
+ * Fundamental problem with linuxbios V2 architecture.
+ * You can't do pci control in the C code without having done a PCI scan.
+ * But in some cases you need to to pci control in the c code before doing
+ * a PCI scan. But you can't use arch/romcc_io.h (the code you need) because
+ * that has functions with the same name but different type signatures
+ * (e.g. device_t). This needs to get fixed. We need low-level pci scans
+ * in the C code.
+ */
+static void vt8231_pci_enable(struct southbridge_via_vt8231_config *conf)
+{
+ /*
+ unsigned long busdevfn = 0x8000;
+ if (conf->enable_ide) {
+ printk_debug("%s: enabling IDE function\n", __FUNCTION__);
+ }
+ */
+}
+
+/* PIRQ init
+ */
+void pci_assign_irqs(unsigned bus, unsigned slot, const unsigned char pIntAtoD[4]);
+
+
+static const unsigned char southbridgeIrqs[4] = { 11, 5, 10, 12 };
+static const unsigned char enetIrqs[4] = { 11, 5, 10, 12 };
+static const unsigned char slotIrqs[4] = { 5, 10, 12, 11 };
+
+/*
+ Our IDSEL mappings are as follows
+ PCI slot is AD31 (device 15) (00:14.0)
+ Southbridge is AD28 (device 12) (00:11.0)
+*/
+static void pci_routing_fixup(struct device *dev)
+{
+
+ printk_info("%s: dev is %p\n", __FUNCTION__, dev);
+ if (dev) {
+ /* initialize PCI interupts - these assignments depend
+ on the PCB routing of PINTA-D
+
+ PINTA = IRQ11
+ PINTB = IRQ5
+ PINTC = IRQ10
+ PINTD = IRQ12
+ */
+ pci_write_config8(dev, 0x55, 0xb0);
+ pci_write_config8(dev, 0x56, 0xa5);
+ pci_write_config8(dev, 0x57, 0xc0);
+ }
+
+ // Standard southbridge components
+ printk_info("setting southbridge\n");
+ pci_assign_irqs(0, 0x11, southbridgeIrqs);
+
+ // Ethernet built into southbridge
+ printk_info("setting ethernet\n");
+ pci_assign_irqs(0, 0x12, enetIrqs);
+
+ // PCI slot
+ printk_info("setting pci slot\n");
+ pci_assign_irqs(0, 0x14, slotIrqs);
+ printk_info("%s: DONE\n", __FUNCTION__);
+}
+
+
+void
+dump_south(void)
+{
+ device_t dev0;
+ dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0);
+ int i,j;
+
+ for(i = 0; i < 256; i += 16) {
+ printk_debug("0x%x: ", i);
+ for(j = 0; j < 16; j++) {
+ printk_debug("%02x ", pci_read_config8(dev0, i+j));
+ }
+ printk_debug("\n");
+ }
+}
+
+static void vt8231_init(struct southbridge_via_vt8231_config *conf)
{
- struct southbridge_via_vt8231_config *conf = dev->chip_info;
-
- if (!lpc_dev) {
- /* the first time called, enable devices not on PCI bus
- * FIXME: is that device struct there yet? */
- lpc_dev = dev_find_device(PCI_VENDOR_ID_VIA,
- PCI_DEVICE_ID_VIA_8231, 0);
- if (conf->enable_keyboard)
- keyboard_on();
- if (conf->enable_com_ports)
- com_port_on();
+ unsigned char enables;
+ device_t dev0;
+ device_t dev1;
+ device_t devpwr;
+
+ // to do: use the pcibios_find function here, instead of
+ // hard coding the devfn.
+ // done - kevinh/Ispiri
+ printk_debug("vt8231 init\n");
+ /* Base 8231 controller */
+ dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0);
+ /* IDE controller */
+ dev1 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, 0);
+ /* Power management controller */
+ devpwr = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4, 0);
+
+ // enable the internal I/O decode
+ enables = pci_read_config8(dev0, 0x6C);
+ enables |= 0x80;
+ pci_write_config8(dev0, 0x6C, enables);
+
+ // Map 4MB of FLASH into the address space
+ pci_write_config8(dev0, 0x41, 0x7f);
+
+ // Set bit 6 of 0x40, because Award does it (IO recovery time)
+ // IMPORTANT FIX - EISA 0x4d0 decoding must be on so that PCI
+ // interrupts can be properly marked as level triggered.
+ enables = pci_read_config8(dev0, 0x40);
+ pci_write_config8(dev0, 0x40, enables);
+
+ // Set 0x42 to 0xf0 to match Award bios
+ enables = pci_read_config8(dev0, 0x42);
+ enables |= 0xf0;
+ pci_write_config8(dev0, 0x42, enables);
+
+ // Set bit 3 of 0x4a, to match award (dummy pci request)
+ enables = pci_read_config8(dev0, 0x4a);
+ enables |= 0x08;
+ pci_write_config8(dev0, 0x4a, enables);
+
+ // Set bit 3 of 0x4f to match award (use INIT# as cpu reset)
+ enables = pci_read_config8(dev0, 0x4f);
+ enables |= 0x08;
+ pci_write_config8(dev0, 0x4f, enables);
+
+ // Set 0x58 to 0x03 to match Award
+ pci_write_config8(dev0, 0x58, 0x03);
+
+ // enable the ethernet/RTC
+ if(dev0) {
+ enables = pci_read_config8(dev0, 0x51);
+ enables |= 0x18;
+ pci_write_config8(dev0, 0x51, enables);
}
+
+
+ // enable com1 and com2.
+ if (conf->enable_com_ports) {
+ enables = pci_read_config8(dev0, 0x6e);
+
+ /* 0x80 is enable com port b, 0x10 is to make it com2, 0x8
+ * is enable com port a as com1 kevinh/Ispiri - Old code
+ * thought 0x01 would make it com1, that was wrong enables =
+ * 0x80 | 0x10 | 0x8 ; pci_write_config8(dev0, 0x6e,
+ * enables); // note: this is also a redo of some port of
+ * assembly, but we want everything up.
+ */
+
+ /* set com1 to 115 kbaud not clear how to do this yet.
+ * forget it; done in assembly.
+ */
+
+ }
+ // enable IDE, since Linux won't do it.
+ // First do some more things to devfn (17,0)
+ // note: this should already be cleared, according to the book.
+ enables = pci_read_config8(dev0, 0x50);
+ printk_debug("IDE enable in reg. 50 is 0x%x\n", enables);
+ enables &= ~8; // need manifest constant here!
+ printk_debug("set IDE reg. 50 to 0x%x\n", enables);
+ pci_write_config8(dev0, 0x50, enables);
+
+ // set default interrupt values (IDE)
+ enables = pci_read_config8(dev0, 0x4c);
+ printk_debug("IRQs in reg. 4c are 0x%x\n", enables & 0xf);
+ // clear out whatever was there.
+ enables &= ~0xf;
+ enables |= 4;
+ printk_debug("setting reg. 4c to 0x%x\n", enables);
+ pci_write_config8(dev0, 0x4c, enables);
+
+ // set up the serial port interrupts.
+ // com2 to 3, com1 to 4
+ pci_write_config8(dev0, 0x46, 0x04);
+ pci_write_config8(dev0, 0x47, 0x03);
+ pci_write_config8(dev0, 0x6e, 0x98);
+ //
+ // Power management setup
+ //
+ // Set ACPI base address to IO 0x4000
+ pci_write_config32(devpwr, 0x48, 0x4001);
+
+ // Enable ACPI access (and setup like award)
+ pci_write_config8(devpwr, 0x41, 0x84);
+
+ // Set hardware monitor base address to IO 0x6000
+ pci_write_config32(devpwr, 0x70, 0x6001);
+
+ // Enable hardware monitor (and setup like award)
+ pci_write_config8(devpwr, 0x74, 0x01);
+
+ // set IO base address to 0x5000
+ pci_write_config32(devpwr, 0x90, 0x5001);
+
+ // Enable SMBus
+ pci_write_config8(devpwr, 0xd2, 0x01);
+
+ //
+ // IDE setup
+ //
+ if (! conf->enable_native_ide) {
+ // Run the IDE controller in 'compatiblity mode - i.e. don't use PCI
+ // interrupts. Using PCI ints confuses linux for some reason.
+
+ printk_info("%s: enabling compatibility IDE addresses\n", __FUNCTION__);
+ enables = pci_read_config8(dev1, 0x42);
+ printk_debug("enables in reg 0x42 0x%x\n", enables);
+ enables &= ~0xc0; // compatability mode
+ pci_write_config8(dev1, 0x42, enables);
+ enables = pci_read_config8(dev1, 0x42);
+ printk_debug("enables in reg 0x42 read back as 0x%x\n", enables);
+ }
+
+ enables = pci_read_config8(dev1, 0x40);
+ printk_debug("enables in reg 0x40 0x%x\n", enables);
+ enables |= 3;
+ pci_write_config8(dev1, 0x40, enables);
+ enables = pci_read_config8(dev1, 0x40);
+ printk_debug("enables in reg 0x40 read back as 0x%x\n", enables);
+
+ // Enable prefetch buffers
+ enables = pci_read_config8(dev1, 0x41);
+ enables |= 0xf0;
+ pci_write_config8(dev1, 0x41, enables);
+
+ // Lower thresholds (cause award does it)
+ enables = pci_read_config8(dev1, 0x43);
+ enables &= ~0x0f;
+ enables |= 0x05;
+ pci_write_config8(dev1, 0x43, enables);
+
+ // PIO read prefetch counter (cause award does it)
+ pci_write_config8(dev1, 0x44, 0x18);
+
+ // Use memory read multiple
+ pci_write_config8(dev1, 0x45, 0x1c);
+
+ // address decoding.
+ // we want "flexible", i.e. 1f0-1f7 etc. or native PCI
+ // kevinh@ispiri.com - the standard linux drivers seem ass slow when
+ // used in native mode - I've changed back to classic
+ enables = pci_read_config8(dev1, 0x9);
+ printk_debug("enables in reg 0x9 0x%x\n", enables);
+ // by the book, set the low-order nibble to 0xa.
+ if (conf->enable_native_ide) {
+ enables &= ~0xf;
+ // cf/cg silicon needs an 'f' here.
+ enables |= 0xf;
+ } else {
+ enables &= ~0x5;
+ }
+
+ pci_write_config8(dev1, 0x9, enables);
+ enables = pci_read_config8(dev1, 0x9);
+ printk_debug("enables in reg 0x9 read back as 0x%x\n", enables);
+
+ // standard bios sets master bit.
+ enables = pci_read_config8(dev1, 0x4);
+ printk_debug("command in reg 0x4 0x%x\n", enables);
+ enables |= 7;
+
+ // No need for stepping - kevinh@ispiri.com
+ enables &= ~0x80;
+
+ pci_write_config8(dev1, 0x4, enables);
+ enables = pci_read_config8(dev1, 0x4);
+ printk_debug("command in reg 0x4 reads back as 0x%x\n", enables);
+
+ if (! conf->enable_native_ide) {
+ // Use compatability mode - per award bios
+ pci_write_config32(dev1, 0x10, 0x0);
+ pci_write_config32(dev1, 0x14, 0x0);
+ pci_write_config32(dev1, 0x18, 0x0);
+ pci_write_config32(dev1, 0x1c, 0x0);
+
+ // Force interrupts to use compat mode - just like Award bios
+ pci_write_config8(dev1, 0x3d, 00);
+ pci_write_config8(dev1, 0x3c, 0xff);
+ }
+
+
+ /* set up isa bus -- i/o recovery time, rom write enable, extend-ale */
+ pci_write_config8(dev0, 0x40, 0x54);
+ ethernet_fixup();
+
+ // Start the rtc
+ rtc_init(0);
+}
+
+static void southbridge_init(struct device *dev) {
+ vt8231_init(dev->chip_info);
+ pci_routing_fixup(dev);
+}
+
+struct device_operations vt8231_dev_ops = {
+ .init = &southbridge_init,
+};
+
+static void southbridge_enable(struct device *dev)
+{
+ dev->ops = &vt8231_dev_ops;
}
struct chip_operations southbridge_via_vt8231_ops = {
CHIP_NAME("VIA vt8231")
- .enable_dev = vt8231_enable,
+ .enable_dev = southbridge_enable,
};
diff --git a/src/southbridge/via/vt8231/vt8231_acpi.c b/src/southbridge/via/vt8231/vt8231_acpi.c
deleted file mode 100644
index 40f47b8367..0000000000
--- a/src/southbridge/via/vt8231/vt8231_acpi.c
+++ /dev/null
@@ -1,44 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#include <device/pci_ids.h>
-#include "vt8231.h"
-
-static void acpi_init(struct device *dev)
-{
- printk_debug("Configuring VIA ACPI\n");
-
- // Set ACPI base address to IO 0x4000
- pci_write_config32(dev, 0x48, 0x4001);
-
- // Enable ACPI access (and setup like award)
- pci_write_config8(dev, 0x41, 0x84);
-
- // Set hardware monitor base address to IO 0x6000
- pci_write_config32(dev, 0x70, 0x6001);
-
- // Enable hardware monitor (and setup like award)
- pci_write_config8(dev, 0x74, 0x01);
-
- // set IO base address to 0x5000
- pci_write_config32(dev, 0x90, 0x5001);
-
- // Enable SMBus
- pci_write_config8(dev, 0xd2, 0x01);
-}
-
-static struct device_operations acpi_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_dev_enable_resources,
- .init = acpi_init,
- .enable = 0,
- .ops_pci = 0,
-};
-
-static struct pci_driver northbridge_driver __pci_driver = {
- .ops = &acpi_ops,
- .vendor = PCI_VENDOR_ID_VIA,
- .device = PCI_DEVICE_ID_VIA_8231_4,
-};
diff --git a/src/southbridge/via/vt8231/vt8231_early_smbus.c b/src/southbridge/via/vt8231/vt8231_early_smbus.c
index dbb6e213ae..056c4b5b11 100644
--- a/src/southbridge/via/vt8231/vt8231_early_smbus.c
+++ b/src/southbridge/via/vt8231/vt8231_early_smbus.c
@@ -12,12 +12,12 @@
#define SMBTRNSADD 0x9
#define SMBSLVDATA 0xa
#define SMLINK_PIN_CTL 0xe
-#define SMBUS_PIN_CTL 0xf
+#define SMBUS_PIN_CTL 0xf
/* Define register settings */
#define HOST_RESET 0xff
-#define DIMM_BASE 0xa0 // 1010000 is base for DIMM in SMBus
-#define READ_CMD 0x01 // 1 in the 0 bit of SMBHSTADD states to READ
+#define DIMM_BASE 0xa0 // 1010000 is base for DIMM in SMBus
+#define READ_CMD 0x01 // 1 in the 0 bit of SMBHSTADD states to READ
#define SMBUS_TIMEOUT (100*1000*10)
@@ -27,28 +27,29 @@ static void enable_smbus(void)
device_t dev;
unsigned char c;
/* Power management controller */
- dev = pci_locate_device(PCI_ID(0x1106, 0x8235), 0);
-
+ dev = pci_locate_device(PCI_ID(0x1106,0x8235), 0);
+
if (dev == PCI_DEV_INVALID) {
die("SMBUS controller not found\r\n");
}
+
// set IO base address to SMBUS_IO_BASE
- pci_write_config32(dev, 0x90, SMBUS_IO_BASE | 1);
-
+ pci_write_config32(dev, 0x90, SMBUS_IO_BASE|1);
+
// Enable SMBus
c = pci_read_config8(dev, 0xd2);
c |= 5;
pci_write_config8(dev, 0xd2, c);
-
+
/* make it work for I/O ...
*/
- dev = pci_locate_device(PCI_ID(0x1106, 0x8231), 0);
+ dev = pci_locate_device(PCI_ID(0x1106,0x8231), 0);
c = pci_read_config8(dev, 4);
c |= 1;
pci_write_config8(dev, 4, c);
print_debug_hex8(c);
print_debug(" is the comm register\r\n");
-
+
print_debug("SMBus controller enabled\r\n");
}
@@ -60,51 +61,52 @@ static inline void smbus_delay(void)
static int smbus_wait_until_active(void)
{
- unsigned long loops;
- loops = SMBUS_TIMEOUT;
- do {
- unsigned char val;
- smbus_delay();
- val = inb(SMBUS_IO_BASE + SMBHSTSTAT);
- if ((val & 1)) {
- break;
- }
- } while (--loops);
- return loops ? 0 : -4;
+ unsigned long loops;
+ loops = SMBUS_TIMEOUT;
+ do {
+ unsigned char val;
+ smbus_delay();
+ val = inb(SMBUS_IO_BASE + SMBHSTSTAT);
+ if ((val & 1)) {
+ break;
+ }
+ } while(--loops);
+ return loops?0:-4;
}
static int smbus_wait_until_ready(void)
{
- unsigned long loops;
- loops = SMBUS_TIMEOUT;
- do {
- unsigned char val;
- smbus_delay();
- val = inb(SMBUS_IO_BASE + SMBHSTSTAT);
- if ((val & 1) == 0) {
- break;
- }
- if (loops == (SMBUS_TIMEOUT / 2)) {
- outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
- }
- } while (--loops);
- return loops ? 0 : -2;
+ unsigned long loops;
+ loops = SMBUS_TIMEOUT;
+ do {
+ unsigned char val;
+ smbus_delay();
+ val = inb(SMBUS_IO_BASE + SMBHSTSTAT);
+ if ((val & 1) == 0) {
+ break;
+ }
+ if(loops == (SMBUS_TIMEOUT / 2)) {
+ outb(inb(SMBUS_IO_BASE + SMBHSTSTAT),
+ SMBUS_IO_BASE + SMBHSTSTAT);
+ }
+ } while(--loops);
+ return loops?0:-2;
}
static int smbus_wait_until_done(void)
{
- unsigned long loops;
- loops = SMBUS_TIMEOUT;
- do {
- unsigned char val;
- smbus_delay();
-
- val = inb(SMBUS_IO_BASE + SMBHSTSTAT);
- if ((val & 1) == 0) {
- break;
- }
- } while (--loops);
- return loops ? 0 : -3;
+ unsigned long loops;
+ loops = SMBUS_TIMEOUT;
+ do {
+ unsigned char val;
+ smbus_delay();
+
+ val = inb(SMBUS_IO_BASE + SMBHSTSTAT);
+ if ( (val & 1) == 0) {
+ break;
+ }
+ } while(--loops);
+ return loops?0:-3;
}
void smbus_reset(void)
@@ -113,13 +115,13 @@ void smbus_reset(void)
outb(HOST_RESET, SMBUS_IO_BASE + SMBHSTSTAT);
outb(HOST_RESET, SMBUS_IO_BASE + SMBHSTSTAT);
outb(HOST_RESET, SMBUS_IO_BASE + SMBHSTSTAT);
-
+
smbus_wait_until_ready();
print_debug("After reset status ");
- print_debug_hex8(inb(SMBUS_IO_BASE + SMBHSTSTAT));
+ print_debug_hex8( inb(SMBUS_IO_BASE + SMBHSTSTAT));
print_debug("\r\n");
}
-
+
static void smbus_print_error(unsigned char host_status_register)
{
@@ -150,95 +152,96 @@ static void smbus_print_error(unsigned char host_status_register)
*/
static int smbus_read_byte(unsigned device, unsigned address)
{
- unsigned char global_control_register;
- unsigned char global_status_register;
- unsigned char byte;
-
- if (smbus_wait_until_ready() < 0) {
- outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
- if (smbus_wait_until_ready() < 0) {
- return -2;
- }
- }
-
- /* setup transaction */
- /* disable interrupts */
- outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xfe, 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 a byte read, with interrupts disabled */
- outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40), SMBUS_IO_BASE + SMBHSTCTL);
- /* poll for it to start */
- if (smbus_wait_until_active() < 0) {
- return -4;
- }
-
- /* poll for transaction completion */
- if (smbus_wait_until_done() < 0) {
- return -3;
- }
+ unsigned char global_control_register;
+ unsigned char global_status_register;
+ unsigned char byte;
+
+ if (smbus_wait_until_ready() < 0) {
+ outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
+ if ( smbus_wait_until_ready() < 0 ) {
+ return -2;
+ }
+ }
+
+ /* setup transaction */
+ /* disable interrupts */
+ outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xfe, 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 a byte read, with interrupts disabled */
+ outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40), SMBUS_IO_BASE + SMBHSTCTL);
+ /* poll for it to start */
+ if (smbus_wait_until_active() < 0) {
+ return -4;
+ }
+
+ /* poll for transaction completion */
+ if (smbus_wait_until_done() < 0) {
+ return -3;
+ }
/* Ignore the Host Busy & Command Complete ? */
- global_status_register = inb(SMBUS_IO_BASE + SMBHSTSTAT) & ~((1 << 1) | (1 << 0));
+ global_status_register = inb(SMBUS_IO_BASE + SMBHSTSTAT) & ~((1<<1)|(1<<0));
- /* read results of transaction */
- byte = inb(SMBUS_IO_BASE + SMBHSTDAT0);
+ /* read results of transaction */
+ byte = inb(SMBUS_IO_BASE + SMBHSTDAT0);
- if (global_status_register != 0) {
- return -1;
- }
- return byte;
+ if (global_status_register != 0) {
+ return -1;
+ }
+ return byte;
}
#if 0
/* SMBus routines borrowed from VIA's Trident Driver */
/* this works, so I am not going to touch it for now -- rgm */
-static unsigned char smbus_read_byte(unsigned char devAdr, unsigned char bIndex)
+static unsigned char smbus_read_byte(unsigned char devAdr,
+ unsigned char bIndex)
{
unsigned int i;
- unsigned char bData;
- unsigned char sts = 0;
-
+ unsigned char bData;
+ unsigned char sts = 0;
+
/* clear host status */
outb(0xff, SMBUS_IO_BASE);
-
+
/* check SMBUS ready */
- for (i = 0; i < SMBUS_TIMEOUT; i++)
- if ((inb(SMBUS_IO_BASE) & 0x01) == 0)
+ for ( i = 0; i < SMBUS_TIMEOUT; i++ )
+ if ( (inb(SMBUS_IO_BASE) & 0x01) == 0 )
break;
/* set host command */
- outb(bIndex, SMBUS_IO_BASE + 3);
-
+ outb(bIndex, SMBUS_IO_BASE+3);
+
/* set slave address */
- outb(devAdr | 0x01, SMBUS_IO_BASE + 4);
-
+ outb(devAdr | 0x01, SMBUS_IO_BASE+4);
+
/* start */
- outb(0x48, SMBUS_IO_BASE + 2);
-
+ outb(0x48, SMBUS_IO_BASE+2);
+
/* SMBUS Wait Ready */
- for (i = 0; i < SMBUS_TIMEOUT; i++)
- if (((sts = inb(SMBUS_IO_BASE)) & 0x01) == 0)
+ for ( i = 0; i < SMBUS_TIMEOUT; i++ )
+ if ( ((sts = inb(SMBUS_IO_BASE)) & 0x01) == 0 )
break;
if ((sts & ~3) != 0) {
smbus_print_error(sts);
return 0;
}
- bData = inb(SMBUS_IO_BASE + 5);
-
+ bData=inb(SMBUS_IO_BASE+5);
+
return bData;
-
+
}
#endif
/* for reference, here is the fancier version which we will use at some
@@ -249,11 +252,11 @@ int smbus_read_byte(unsigned device, unsigned address, unsigned char *result)
{
unsigned char host_status_register;
unsigned char byte;
-
+
reset();
-
+
smbus_wait_until_ready();
-
+
/* setup transaction */
/* disable interrupts */
outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & (~1), SMBUS_IO_BASE + SMBHSTCTL);
@@ -262,32 +265,35 @@ int smbus_read_byte(unsigned device, unsigned address, unsigned char *result)
/* 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);
-
+ 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... */
+
+ /* clear the data byte...*/
outb(0, SMBUS_IO_BASE + SMBHSTDAT0);
-
+
/* start the command */
- outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40), SMBUS_IO_BASE + SMBHSTCTL);
-
+ outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40),
+ SMBUS_IO_BASE + SMBHSTCTL);
+
/* poll for transaction completion */
smbus_wait_until_done();
-
+
host_status_register = inb(SMBUS_IO_BASE + SMBHSTSTAT);
-
+
/* Ignore the In Use Status... */
host_status_register &= ~(1 << 6);
-
+
/* read results of transaction */
byte = inb(SMBUS_IO_BASE + SMBHSTDAT0);
smbus_print_error(byte);
-
+
*result = byte;
return host_status_register != 0x02;
}
#endif
+
diff --git a/src/southbridge/via/vt8231/vt8231_ide.c b/src/southbridge/via/vt8231/vt8231_ide.c
deleted file mode 100644
index 70f256990c..0000000000
--- a/src/southbridge/via/vt8231/vt8231_ide.c
+++ /dev/null
@@ -1,108 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#include <device/pci_ids.h>
-#include "vt8231.h"
-#include "chip.h"
-
-static void ide_init(struct device *dev)
-{
- struct southbridge_via_vt8231_config *conf;
- unsigned char enables;
-
- if (!conf->enable_native_ide) {
- // Run the IDE controller in 'compatiblity mode - i.e. don't use PCI
- // interrupts. Using PCI ints confuses linux for some reason.
-
- printk_info("%s: enabling compatibility IDE addresses\n", __FUNCTION__);
- enables = pci_read_config8(dev, 0x42);
- printk_debug("enables in reg 0x42 0x%x\n", enables);
- enables &= ~0xc0; // compatability mode
- pci_write_config8(dev, 0x42, enables);
- enables = pci_read_config8(dev, 0x42);
- printk_debug("enables in reg 0x42 read back as 0x%x\n", enables);
- }
-
- enables = pci_read_config8(dev, 0x40);
- printk_debug("enables in reg 0x40 0x%x\n", enables);
- enables |= 3;
- pci_write_config8(dev, 0x40, enables);
- enables = pci_read_config8(dev, 0x40);
- printk_debug("enables in reg 0x40 read back as 0x%x\n", enables);
-
- // Enable prefetch buffers
- enables = pci_read_config8(dev, 0x41);
- enables |= 0xf0;
- pci_write_config8(dev, 0x41, enables);
-
- // Lower thresholds (cause award does it)
- enables = pci_read_config8(dev, 0x43);
- enables &= ~0x0f;
- enables |= 0x05;
- pci_write_config8(dev, 0x43, enables);
-
- // PIO read prefetch counter (cause award does it)
- pci_write_config8(dev, 0x44, 0x18);
-
- // Use memory read multiple
- pci_write_config8(dev, 0x45, 0x1c);
-
- // address decoding.
- // we want "flexible", i.e. 1f0-1f7 etc. or native PCI
- // kevinh@ispiri.com - the standard linux drivers seem ass slow when
- // used in native mode - I've changed back to classic
- enables = pci_read_config8(dev, 0x9);
- printk_debug("enables in reg 0x9 0x%x\n", enables);
- // by the book, set the low-order nibble to 0xa.
- if (conf->enable_native_ide) {
- enables &= ~0xf;
- // cf/cg silicon needs an 'f' here.
- enables |= 0xf;
- } else {
- enables &= ~0x5;
- }
-
- pci_write_config8(dev, 0x9, enables);
- enables = pci_read_config8(dev, 0x9);
- printk_debug("enables in reg 0x9 read back as 0x%x\n", enables);
-
- // standard bios sets master bit.
- enables = pci_read_config8(dev, 0x4);
- printk_debug("command in reg 0x4 0x%x\n", enables);
- enables |= 7;
-
- // No need for stepping - kevinh@ispiri.com
- enables &= ~0x80;
-
- pci_write_config8(dev, 0x4, enables);
- enables = pci_read_config8(dev, 0x4);
- printk_debug("command in reg 0x4 reads back as 0x%x\n", enables);
-
- if (!conf->enable_native_ide) {
- // Use compatability mode - per award bios
- pci_write_config32(dev, 0x10, 0x0);
- pci_write_config32(dev, 0x14, 0x0);
- pci_write_config32(dev, 0x18, 0x0);
- pci_write_config32(dev, 0x1c, 0x0);
-
- // Force interrupts to use compat mode - just like Award bios
- pci_write_config8(dev, 0x3d, 00);
- pci_write_config8(dev, 0x3c, 0xff);
- }
-}
-
-static struct device_operations ide_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_dev_enable_resources,
- .init = ide_init,
- .enable = 0,
- .ops_pci = 0,
-};
-
-static struct pci_driver northbridge_driver __pci_driver = {
- .ops = &ide_ops,
- .vendor = PCI_VENDOR_ID_VIA,
- .device = PCI_DEVICE_ID_VIA_82C586_1,
-};
diff --git a/src/southbridge/via/vt8231/vt8231_lpc.c b/src/southbridge/via/vt8231/vt8231_lpc.c
deleted file mode 100644
index 9564b55ae7..0000000000
--- a/src/southbridge/via/vt8231/vt8231_lpc.c
+++ /dev/null
@@ -1,154 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#include <device/pci_ids.h>
-
-#include <pc80/mc146818rtc.h>
-
-#include "vt8231.h"
-#include "chip.h"
-
-/* PIRQ init
- */
-void pci_assign_irqs(unsigned bus, unsigned slot, const unsigned char pIntAtoD[4]);
-static const unsigned char southbridgeIrqs[4] = { 11, 5, 10, 12 };
-static const unsigned char enetIrqs[4] = { 11, 5, 10, 12 };
-static const unsigned char slotIrqs[4] = { 5, 10, 12, 11 };
-
-/*
- Our IDSEL mappings are as follows
- PCI slot is AD31 (device 15) (00:14.0)
- Southbridge is AD28 (device 12) (00:11.0)
-*/
-static void pci_routing_fixup(struct device *dev)
-{
-
- printk_info("%s: dev is %p\n", __FUNCTION__, dev);
- if (dev) {
- /* initialize PCI interupts - these assignments depend
- on the PCB routing of PINTA-D
-
- PINTA = IRQ11
- PINTB = IRQ5
- PINTC = IRQ10
- PINTD = IRQ12
- */
- pci_write_config8(dev, 0x55, 0xb0);
- pci_write_config8(dev, 0x56, 0xa5);
- pci_write_config8(dev, 0x57, 0xc0);
- }
-
- // Standard southbridge components
- printk_info("setting southbridge\n");
- pci_assign_irqs(0, 0x11, southbridgeIrqs);
-
- // Ethernet built into southbridge
- printk_info("setting ethernet\n");
- pci_assign_irqs(0, 0x12, enetIrqs);
-
- // PCI slot
- printk_info("setting pci slot\n");
- pci_assign_irqs(0, 0x14, slotIrqs);
- printk_info("%s: DONE\n", __FUNCTION__);
-}
-
-static void vt8231_init(struct device *dev)
-{
- unsigned char enables;
- struct southbridge_via_vt8231_config *conf = dev->chip_info;
-
- printk_debug("vt8231 init\n");
-
- // enable the internal I/O decode
- enables = pci_read_config8(dev, 0x6C);
- enables |= 0x80;
- pci_write_config8(dev, 0x6C, enables);
-
- // Map 4MB of FLASH into the address space
- pci_write_config8(dev, 0x41, 0x7f);
-
- // Set bit 6 of 0x40, because Award does it (IO recovery time)
- // IMPORTANT FIX - EISA 0x4d0 decoding must be on so that PCI
- // interrupts can be properly marked as level triggered.
- enables = pci_read_config8(dev, 0x40);
- pci_write_config8(dev, 0x40, enables);
-
- // Set 0x42 to 0xf0 to match Award bios
- enables = pci_read_config8(dev, 0x42);
- enables |= 0xf0;
- pci_write_config8(dev, 0x42, enables);
-
- // Set bit 3 of 0x4a, to match award (dummy pci request)
- enables = pci_read_config8(dev, 0x4a);
- enables |= 0x08;
- pci_write_config8(dev, 0x4a, enables);
-
- // Set bit 3 of 0x4f to match award (use INIT# as cpu reset)
- enables = pci_read_config8(dev, 0x4f);
- enables |= 0x08;
- pci_write_config8(dev, 0x4f, enables);
-
- // Set 0x58 to 0x03 to match Award
- pci_write_config8(dev, 0x58, 0x03);
-
- // enable the ethernet/RTC
- if (dev) {
- enables = pci_read_config8(dev, 0x51);
- enables |= 0x18;
- pci_write_config8(dev, 0x51, enables);
- }
-
- // enable IDE, since Linux won't do it.
- // First do some more things to devfn (17,0)
- // note: this should already be cleared, according to the book.
- enables = pci_read_config8(dev, 0x50);
- printk_debug("IDE enable in reg. 50 is 0x%x\n", enables);
- enables &= ~8; // need manifest constant here!
- printk_debug("set IDE reg. 50 to 0x%x\n", enables);
- pci_write_config8(dev, 0x50, enables);
-
- // set default interrupt values (IDE)
- enables = pci_read_config8(dev, 0x4c);
- printk_debug("IRQs in reg. 4c are 0x%x\n", enables & 0xf);
- // clear out whatever was there.
- enables &= ~0xf;
- enables |= 4;
- printk_debug("setting reg. 4c to 0x%x\n", enables);
- pci_write_config8(dev, 0x4c, enables);
-
- // set up the serial port interrupts.
- // com2 to 3, com1 to 4
- pci_write_config8(dev, 0x46, 0x04);
- pci_write_config8(dev, 0x47, 0x03);
- pci_write_config8(dev, 0x6e, 0x98);
-
- /* set up isa bus -- i/o recovery time, rom write enable, extend-ale */
- pci_write_config8(dev, 0x40, 0x54);
- //ethernet_fixup();
-
- // Start the rtc
- rtc_init(0);
-}
-
-static void southbridge_init(struct device *dev)
-{
- vt8231_init(dev);
- pci_routing_fixup(dev);
-}
-
-static struct device_operations vt8231_lpc_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_dev_enable_resources,
- .init = &southbridge_init,
- .scan_bus = scan_static_bus,
- .enable = 0,
- .ops_pci = 0,
-};
-
-static struct pci_driver lpc_driver __pci_driver = {
- .ops = &vt8231_lpc_ops,
- .vendor = PCI_VENDOR_ID_VIA,
- .device = PCI_DEVICE_ID_VIA_8231,
-};
diff --git a/src/southbridge/via/vt8231/vt8231_nic.c b/src/southbridge/via/vt8231/vt8231_nic.c
deleted file mode 100644
index 13da26345c..0000000000
--- a/src/southbridge/via/vt8231/vt8231_nic.c
+++ /dev/null
@@ -1,37 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#include <device/pci_ids.h>
-#include "vt8231.h"
-
-/*
- * Enable the ethernet device and turn off stepping (because it is integrated
- * inside the southbridge)
- */
-static void nic_init(struct device *dev)
-{
- uint8_t byte;
-
- printk_debug("Configuring VIA LAN\n");
-
- /* We don't need stepping - though the device supports it */
- byte = pci_read_config8(dev, PCI_COMMAND);
- byte &= ~PCI_COMMAND_WAIT;
- pci_write_config8(dev, PCI_COMMAND, byte);
-}
-
-static struct device_operations nic_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_dev_enable_resources,
- .init = nic_init,
- .enable = 0,
- .ops_pci = 0,
-};
-
-static struct pci_driver northbridge_driver __pci_driver = {
- .ops = &nic_ops,
- .vendor = PCI_VENDOR_ID_VIA,
- .device = PCI_DEVICE_ID_VIA_8233_7,
-};
diff --git a/src/southbridge/via/vt8231/vt8231_usb.c b/src/southbridge/via/vt8231/vt8231_usb.c
deleted file mode 100644
index 3dd0b4272b..0000000000
--- a/src/southbridge/via/vt8231/vt8231_usb.c
+++ /dev/null
@@ -1,52 +0,0 @@
-
-static void usb_on(int enable)
-{
- unsigned char regval;
-
- /* Base 8231 controller */
- device_t dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0);
- /* USB controller 1 */
- device_t dev2 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, 0);
- /* USB controller 2 */
- device_t dev3 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, dev2);
-
- /* enable USB1 */
- if(dev2) {
- if (enable) {
- pci_write_config8(dev2, 0x3c, 0x05);
- pci_write_config8(dev2, 0x04, 0x07);
- } else {
- pci_write_config8(dev2, 0x3c, 0x00);
- pci_write_config8(dev2, 0x04, 0x00);
- }
- }
-
- if(dev0) {
- regval = pci_read_config8(dev0, 0x50);
- if (enable)
- regval &= ~(0x10);
- else
- regval |= 0x10;
- pci_write_config8(dev0, 0x50, regval);
- }
-
- /* enable USB2 */
- if(dev3) {
- if (enable) {
- pci_write_config8(dev3, 0x3c, 0x05);
- pci_write_config8(dev3, 0x04, 0x07);
- } else {
- pci_write_config8(dev3, 0x3c, 0x00);
- pci_write_config8(dev3, 0x04, 0x00);
- }
- }
-
- if(dev0) {
- regval = pci_read_config8(dev0, 0x50);
- if (enable)
- regval &= ~(0x20);
- else
- regval |= 0x20;
- pci_write_config8(dev0, 0x50, regval);
- }
-}