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It builds! 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1150 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Ronald G. Minnich 2003-09-26 16:12:23 +00:00
parent aa4b4e031f
commit 430111b9d1
8 changed files with 321 additions and 315 deletions
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6
src/arch/i386/Config.lb
View File

@ -1,3 +1,5 @@
uses CONFIG_SMP
init config/crt0.base
ldscript config/ldscript.lb
@ -37,4 +39,6 @@ addaction clean "rm -f romimage payload.*"
dir lib
dir boot
dir smp
if CONFIG_SMP
dir smp
end

43
src/cpu/p6/cpufixup.c
View File

@ -1,18 +1,13 @@
/* microcode.c: Microcode update for PIII and later CPUS
*
* $Id$
*/
#ifndef lint
static char rcsid[] = "$Id$";
#endif
#include <pciconf.h>
#include <subr.h>
#include <console/console.h>
#include <mem.h>
#include <cpu/p6/msr.h>
#include <printk.h>
#include <cpu/p5/cpuid.h>
#include <cpu/cpufixup.h>
#include <cpu/k8/mtrr.h>
#include <device/device.h>
#include <device/chip.h>
struct microcode {
unsigned int hdrver;
@ -300,24 +295,33 @@ unsigned int microcode_updates [] = {
0x57688086, 0x218e4005, 0xca054e3d, 0xc1a3c3ec,
};
static void display_cpuid_update_microcode(void)
{
unsigned int eax, ebx, ecx, edx;
unsigned int pf, rev, sig, val[2];
unsigned int x86_model, x86_family, i;
struct microcode *m;
msr_t msr;
/* cpuid sets msr 0x8B iff a microcode update has been loaded. */
wrmsr(0x8B, 0, 0);
//wrmsr(0x8B, 0, 0);
msr.lo = msr.hi = 0;
wrmsr(0x8b, msr);
cpuid(1, &eax, &ebx, &ecx, &edx);
rdmsr(0x8B, val[0], rev);
//rdmsr(0x8B, val[0], rev);
msr = rdmsr(0x8b);
val[0] = msr.lo;
rev = msr.hi;
x86_model = (eax >>4) & 0x0f;
x86_family = (eax >>8) & 0x0f;
sig = eax;
pf = 0;
if ((x86_model >= 5)||(x86_family>6)) {
rdmsr(0x17, val[0], val[1]);
//rdmsr(0x17, val[0], val[1]);
msr = rdmsr(0x17);
val[0] = msr.lo;
val[1] = msr.hi;
pf = 1 << ((val[1] >> 18) & 7);
}
printk_debug("microcode_info: sig = 0x%08x pf=0x%08x rev = 0x%08x\n",
@ -326,9 +330,16 @@ static void display_cpuid_update_microcode(void)
m = (void *)&microcode_updates;
for(i = 0; i < sizeof(microcode_updates)/sizeof(struct microcode); i++) {
if ((m[i].sig == sig) && (m[i].pf == pf)) {
wrmsr(0x79, (unsigned int)&m[i].bits, 0);
//wrmsr(0x79, (unsigned int)&m[i].bits, 0);
msr.lo = (unsigned int)&m[i].bits;
msr.hi = 0;
wrmsr(0x79, msr);
__asm__ __volatile__ ("cpuid" : : : "ax", "bx", "cx", "dx");
rdmsr(0x8B, val[0], val[1]);
//rdmsr(0x8B, val[0], val[1]);
msr = rdmsr(0x8b);
val[0] = msr.lo;
val[1] = msr.hi;
printk_info("microcode updated from revision %d to %d\n",
rev, val[1]);
}

27
src/mainboard/via/epia/Config.lb
View File

@ -14,6 +14,7 @@ uses PAYLOAD_SIZE
uses _ROMBASE
uses XIP_ROM_SIZE
uses XIP_ROM_BASE
uses HAVE_MP_TABLE
## ROM_SIZE is the size of boot ROM that this board will use.
default ROM_SIZE 524288
@ -27,6 +28,11 @@ default ROM_SIZE 524288
##
option HAVE_FALLBACK_BOOT=1
##
## no MP table
##
option HAVE_MP_TABLE=0
##
## Build code to reset the motherboard from linuxBIOS
##
@ -37,30 +43,13 @@ option HAVE_HARD_RESET=1
##
option HAVE_PIRQ_TABLE=1
option IRQ_SLOT_COUNT=7
##
## Build code to export an x86 MP table
## Useful for specifying IRQ routing values
##
option HAVE_MP_TABLE=1
object irq_tables.o
##
## Build code to export a CMOS option table
##
option HAVE_OPTION_TABLE=1
##
## Build code for SMP support
## Only worry about 2 micro processors
##
option CONFIG_SMP=1
option CONFIG_MAX_CPUS=2
##
## Build code to setup a generic IOAPIC
##
option CONFIG_IOAPIC=1
##
## Clean up the motherboard id strings
##
@ -238,7 +227,7 @@ northbridge via/vt8601 "vt8601"
end
end
cpu p5 "cpu0"
cpu p6 "cpu0"
end

5
src/mainboard/via/epia/mainboard.c
View File

@ -7,7 +7,6 @@
#include <arch/io.h>
#include <device/chip.h>
#include "../../../northbridge/amd/amdk8/northbridge.h"
#include "chip.h"
@ -16,7 +15,7 @@ static struct device_operations mainboard_operations = {
.set_resources = root_dev_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
.scan_bus = vt8_scan_root_bus,
.scan_bus = pci_scan_bridge,
.enable = 0,
};
@ -32,6 +31,6 @@ static void enumerate(struct chip *chip)
}
struct chip_control mainboard_via_epia_control = {
.enumerate = enumerate,
.name = "Arima HDAMA mainboard ",
.name = "VIA EPIA mainboard ",
};

6
src/pc80/keyboard.c
View File

@ -1,9 +1,5 @@
#ifndef lint
static char rcsid[] = "$Id$";
#endif
#include <arch/io.h>
#include <subr.h>
/* much better keyboard init courtesy ollie@sis.com.tw
TODO: Typematic Setting, the keyboard is too slow for me */
void pc_keyboard_init()

2
src/southbridge/via/vt8231/Config.lb
View File

@ -1,2 +1,2 @@
config chip.h
object w83c553f.o
object vt8231.o

541
src/southbridge/via/vt8231/vt8231.c
View File

@ -1,103 +1,111 @@
#include <arch/io.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pci_ids.h>
#include <device/chip.h>
#include <console/console.h>
#include "vt8231.h"
#include "chip.h"
void pc_keyboard_init(void);
void usb_on(int enable)
void
hard_reset() {
printk_err("NO HARD RESET ON VT8231! FIX ME!\n");
}
static void usb_on(int enable)
{
unsigned char regval;
/* Base 8231 controller */
struct pci_dev *dev0 = pci_find_device(PCI_VENDOR_ID_VIA, \
PCI_DEVICE_ID_VIA_8231, 0);
/* USB controller 1 */
struct pci_dev *dev2 = pci_find_device(PCI_VENDOR_ID_VIA, \
PCI_DEVICE_ID_VIA_82C586_2, 0);
/* USB controller 2 */
struct pci_dev *dev3 = pci_find_device(PCI_VENDOR_ID_VIA, \
PCI_DEVICE_ID_VIA_82C586_2, \
dev2);
unsigned char regval;
/* enable USB1 */
if(dev2) {
if (enable) {
pci_write_config_byte(dev2, 0x3c, 0x05);
pci_write_config_byte(dev2, 0x04, 0x07);
} else {
pci_write_config_byte(dev2, 0x3c, 0x00);
pci_write_config_byte(dev2, 0x04, 0x00);
}
}
/* 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);
if(dev0) {
pci_read_config_byte(dev0, 0x50, &regval);
if (enable)
regval &= ~(0x10);
else
regval |= 0x10;
pci_write_config_byte(dev0, 0x50, regval);
}
/* 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);
}
}
/* enable USB2 */
if(dev3) {
if (enable) {
pci_write_config_byte(dev3, 0x3c, 0x05);
pci_write_config_byte(dev3, 0x04, 0x07);
} else {
pci_write_config_byte(dev3, 0x3c, 0x00);
pci_write_config_byte(dev3, 0x04, 0x00);
}
}
if(dev0) {
regval = pci_read_config8(dev0, 0x50);
if (enable)
regval &= ~(0x10);
else
regval |= 0x10;
pci_write_config8(dev0, 0x50, regval);
}
if(dev0) {
pci_read_config_byte(dev0, 0x50, &regval);
if (enable)
regval &= ~(0x20);
else
regval |= 0x20;
pci_write_config_byte(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);
}
}
void keyboard_on()
static void keyboard_on()
{
unsigned char regval;
unsigned char regval;
/* Base 8231 controller */
struct pci_dev *dev0 = pci_find_device(PCI_VENDOR_ID_VIA, \
PCI_DEVICE_ID_VIA_8231, 0);
/* 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_config_byte */
/* kevinh/Ispiri - update entire function to use
new pci_write_config8 */
if (dev0) {
pci_read_config_byte(dev0, 0x51, &regval);
regval |= 0x0f;
pci_write_config_byte(dev0, 0x51, regval);
}
pc_keyboard_init();
if (dev0) {
regval = pci_read_config8(dev0, 0x51);
regval |= 0x0f;
pci_write_config8(dev0, 0x51, regval);
}
pc_keyboard_init();
}
void nvram_on()
static void nvram_on()
{
/*
* the VIA 8231 South has a very different nvram setup than the
* piix4e ...
* turn on ProMedia nvram.
* TO DO: use the PciWriteByte function here.
*/
/*
* the VIA 8231 South has a very different nvram setup than the
* piix4e ...
* turn on ProMedia nvram.
* TO DO: use the PciWriteByte function here.
*/
/*
* kevinh/Ispiri - I don't think this is the correct address/value
* intel_conf_writeb(0x80008841, 0xFF);
*/
/*
* kevinh/Ispiri - I don't think this is the correct address/value
* intel_conf_writeb(0x80008841, 0xFF);
*/
}
@ -105,255 +113,256 @@ void nvram_on()
* Enable the ethernet device and turn off stepping (because it is integrated
* inside the southbridge)
*/
void ethernet_fixup()
static void ethernet_fixup()
{
struct pci_dev *dev, *edev;
u8 byte;
device_t edev;
uint8_t byte;
printk_info("Ethernet fixup\n");
printk_info("Ethernet fixup\n");
edev = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_7, 0);
if (edev != NULL) {
printk_debug("Configuring VIA LAN\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 */
pci_read_config_byte(edev, PCI_COMMAND, &byte);
byte &= ~PCI_COMMAND_WAIT;
pci_write_config_byte(edev, PCI_COMMAND, byte);
} else {
printk_debug("VIA LAN not found\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");
}
}
void southbridge_fixup()
static void vt8231_init(struct southbridge_via_vt8231_config *conf)
{
unsigned char enables;
struct pci_dev *dev0;
struct pci_dev *dev1;
struct pci_dev *devpwr;
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
// to do: use the pcibios_find function here, instead of
// hard coding the devfn.
// done - kevinh/Ispiri
/* Base 8231 controller */
dev0 = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0);
/* IDE controller */
dev1 = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, \
0);
/* Power management controller */
devpwr = pci_find_device(PCI_VENDOR_ID_VIA, \
PCI_DEVICE_ID_VIA_8231_4, 0);
/* 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_config_byte(dev0, 0x6C, &enables);
enables |= 0x80;
pci_write_config_byte(dev0, 0x6C, enables);
// 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_config_byte(dev0, 0x41, 0x7f);
// 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_config_byte(dev0, 0x40, &enables); enables |= 0x44;
pci_write_config_byte(dev0, 0x40, enables);
// 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_config_byte(dev0, 0x42, &enables);
enables |= 0xf0;
pci_write_config_byte(dev0, 0x42, 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_config_byte(dev0, 0x4a, &enables);
enables |= 0x08;
pci_write_config_byte(dev0, 0x4a, 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_config_byte(dev0, 0x4f, &enables);
enables |= 0x08;
pci_write_config_byte(dev0, 0x4f, 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_config_byte(dev0, 0x58, 0x03);
// Set 0x58 to 0x03 to match Award
pci_write_config8(dev0, 0x58, 0x03);
// enable the ethernet/RTC
if(dev0) {
pci_read_config_byte(dev0, 0x51, &enables);
enables |= 0x18;
pci_write_config_byte(dev0, 0x51, enables);
}
// 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_config_byte(dev0, 0x6e, &enables);
/* 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_config_byte(dev0,
* 0x6e, enables); // note: this is also a redo of some port
* of assembly, but we want everything up.
*/
// enable com1 and com2.
if (conf->enable_com_ports) {
enables = pci_read_config8(dev0, 0x6e);
/* set com1 to 115 kbaud not clear how to do this yet.
* forget it; done in assembly.
*/
#endif
/* 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.
*/
// 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.
pci_read_config_byte(dev0, 0x50, &enables);
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_config_byte(dev0, 0x50, enables);
/* set com1 to 115 kbaud not clear how to do this yet.
* forget it; done in assembly.
*/
// set default interrupt values (IDE)
pci_read_config_byte(dev0, 0x4c, &enables);
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_config_byte(dev0, 0x4c, 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(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 up the serial port interrupts.
// com2 to 3, com1 to 4
pci_write_config_byte(dev0, 0x46, 0x04);
pci_write_config_byte(dev0, 0x47, 0x03);
// 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);
//
// Power management setup
//
// Set ACPI base address to IO 0x4000
pci_write_config_dword(devpwr, 0x48, 0x4001);
// set up the serial port interrupts.
// com2 to 3, com1 to 4
pci_write_config8(dev0, 0x46, 0x04);
pci_write_config8(dev0, 0x47, 0x03);
// Enable ACPI access (and setup like award)
pci_write_config_byte(devpwr, 0x41, 0x84);
//
// Power management setup
//
// Set ACPI base address to IO 0x4000
pci_write_config32(devpwr, 0x48, 0x4001);
// Set hardware monitor base address to IO 0x6000
pci_write_config_dword(devpwr, 0x70, 0x6001);
// Enable ACPI access (and setup like award)
pci_write_config8(devpwr, 0x41, 0x84);
// Enable hardware monitor (and setup like award)
pci_write_config_byte(devpwr, 0x74, 0x01);
// Set hardware monitor base address to IO 0x6000
pci_write_config32(devpwr, 0x70, 0x6001);
// set IO base address to 0x5000
pci_write_config_dword(devpwr, 0x90, 0x5001);
// Enable hardware monitor (and setup like award)
pci_write_config8(devpwr, 0x74, 0x01);
// Enable SMBus
pci_write_config_byte(devpwr, 0xd2, 0x01);
// set IO base address to 0x5000
pci_write_config32(devpwr, 0x90, 0x5001);
//
// 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.
// Enable SMBus
pci_write_config8(devpwr, 0xd2, 0x01);
pci_read_config_byte(dev1, 0x42, &enables);
printk_debug("enables in reg 0x42 0x%x\n", enables);
enables &= ~0xc0; // compatability mode
pci_write_config_byte(dev1, 0x42, enables);
pci_read_config_byte(dev1, 0x42, &enables);
printk_debug("enables in reg 0x42 read back as 0x%x\n", enables);
}
//
// 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.
pci_read_config_byte(dev1, 0x40, &enables);
printk_debug("enables in reg 0x40 0x%x\n", enables);
enables |= 3;
pci_write_config_byte(dev1, 0x40, enables);
pci_read_config_byte(dev1, 0x40, &enables);
printk_debug("enables in reg 0x40 read back as 0x%x\n", enables);
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);
}
// Enable prefetch buffers
pci_read_config_byte(dev1, 0x41, &enables);
enables |= 0xf0;
pci_write_config_byte(dev1, 0x41, 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);
// Lower thresholds (cause award does it)
pci_read_config_byte(dev1, 0x43, &enables);
enables &= ~0x0f;
enables |= 0x05;
pci_write_config_byte(dev1, 0x43, enables);
// Enable prefetch buffers
enables = pci_read_config8(dev1, 0x41);
enables |= 0xf0;
pci_write_config8(dev1, 0x41, enables);
// PIO read prefetch counter (cause award does it)
pci_write_config_byte(dev1, 0x44, 0x18);
// Lower thresholds (cause award does it)
enables = pci_read_config8(dev1, 0x43);
enables &= ~0x0f;
enables |= 0x05;
pci_write_config8(dev1, 0x43, enables);
// Use memory read multiple
pci_write_config_byte(dev1, 0x45, 0x1c);
// PIO read prefetch counter (cause award does it)
pci_write_config8(dev1, 0x44, 0x18);
// 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
pci_read_config_byte(dev1, 0x9, &enables);
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;
}
// Use memory read multiple
pci_write_config8(dev1, 0x45, 0x1c);
pci_write_config_byte(dev1, 0x9, enables);
pci_read_config_byte(dev1, 0x9, &enables);
printk_debug("enables in reg 0x9 read back as 0x%x\n", enables);
// 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;
}
// standard bios sets master bit.
pci_read_config_byte(dev1, 0x4, &enables);
printk_debug("command in reg 0x4 0x%x\n", enables);
enables |= 7;
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);
// No need for stepping - kevinh@ispiri.com
enables &= ~0x80;
// standard bios sets master bit.
enables = pci_read_config8(dev1, 0x4);
printk_debug("command in reg 0x4 0x%x\n", enables);
enables |= 7;
pci_write_config_byte(dev1, 0x4, enables);
pci_read_config_byte(dev1, 0x4, &enables);
printk_debug("command in reg 0x4 reads back as 0x%x\n", enables);
// No need for stepping - kevinh@ispiri.com
enables &= ~0x80;
if (! conf->enable_native_ide) {
// Use compatability mode - per award bios
pci_write_config_dword(dev1, 0x10, 0x0);
pci_write_config_dword(dev1, 0x14, 0x0);
pci_write_config_dword(dev1, 0x18, 0x0);
pci_write_config_dword(dev1, 0x1c, 0x0);
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);
// Force interrupts to use compat mode - just like Award bios
pci_write_config_byte(dev1, 0x3d, 00);
pci_write_config_byte(dev1, 0x3c, 0xff);
}
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);
}
ethernet_fixup();
ethernet_fixup();
// Start the rtc
rtc_init(0);
// Start the rtc
rtc_init(0);
}
static void
southbridge_init(struct chip *chip, enum chip_pass pass)
{
struct southbridge_via_vt8231_config *conf =
(struct southbridge_via_vt8231_config *)chip->chip_info;
struct southbridge_via_vt8231_config *conf =
(struct southbridge_via_vt8231_config *)chip->chip_info;
switch (pass) {
case CONF_PASS_POST_PCI:
vt8231_init(conf);
break;
switch (pass) {
case CONF_PASS_POST_PCI:
vt8231_init(conf);
break;
default:
/* nothing yet */
break;
}
default:
/* nothing yet */
break;
}
}
struct chip_control southbridge_via_vt8231_control = {
enable: southbridge_init,
name: "VIA vt8231"
enable: southbridge_init,
name: "VIA vt8231"
};

6
targets/via/epia/Config.lb
View File

@ -9,6 +9,7 @@ target epia
uses ARCH
uses CONFIG_COMPRESS
uses CONFIG_IOAPIC
uses CONFIG_KEYBOARD
uses CONFIG_ROM_STREAM
uses CONFIG_ROM_STREAM_START
uses CONFIG_UDELAY_TSC
@ -23,8 +24,6 @@ uses i686
uses INTEL_PPRO_MTRR
uses HEAP_SIZE
uses IRQ_SLOT_COUNT
uses k7
uses k8
uses MAINBOARD_PART_NUMBER
uses MAINBOARD_VENDOR
uses CONFIG_SMP
@ -51,6 +50,7 @@ uses XIP_ROM_BASE
uses LINUXBIOS_EXTRA_VERSION
option CONFIG_CHIP_CONFIGURE=1
option CONFIG_KEYBOARD=1
option MAXIMUM_CONSOLE_LOGLEVEL=8
option DEFAULT_CONSOLE_LOGLEVEL=8
@ -61,8 +61,6 @@ option CONFIG_UDELAY_TSC=0
option i686=1
option i586=1
option INTEL_PPRO_MTRR=1
option k7=1
option k8=1
option ROM_SIZE=524288