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works for PCI vga cards too 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1856 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo 2005-01-11 22:48:54 +00:00
parent 51990b350a
commit 515f6c729e
7 changed files with 42 additions and 30 deletions
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3
src/devices/device.c
View File

@ -378,6 +378,7 @@ static void allocate_vga_resource(void)
if (((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) &&
((dev->class >> 8) != PCI_CLASS_DISPLAY_OTHER)) {
if (!vga) {
printk_debug("Allocating VGA resource %s\n", dev_path(dev));
vga = dev;
}
if (vga == dev) {
@ -394,6 +395,8 @@ static void allocate_vga_resource(void)
}
/* Now walk up the bridges setting the VGA enable */
while (bus) {
printk_debug("Setting PCI_BRIDGE_CTL_VGA for bridge %s\n",
dev_path(bus->dev));
bus->bridge_ctrl |= PCI_BRIDGE_CTL_VGA;
bus = (bus == bus->dev->bus)? 0 : bus->dev->bus;
}

23
src/devices/emulator/biosemu.c
View File

@ -46,8 +46,8 @@ int run_bios_int(int num)
X86_CS = MEM_RW((num << 2) + 2);
X86_IP = MEM_RW(num << 2);
printk_debug("%s: INT %x CS:IP = %x:%x\n", __FUNCTION__,
num, MEM_RW((num << 2) + 2), MEM_RW(num << 2));
//printk_debug("%s: INT %x CS:IP = %x:%x\n", __FUNCTION__,
// num, MEM_RW((num << 2) + 2), MEM_RW(num << 2));
return 1;
}
@ -58,8 +58,8 @@ u8 x_inb(u16 port)
val = inb(port);
if (port != 0x40)
printk_debug("inb(0x%04x) = 0x%02x\n", port, val);
//if (port != 0x40)
// printk_debug("inb(0x%04x) = 0x%02x\n", port, val);
return val;
}
@ -70,7 +70,7 @@ u16 x_inw(u16 port)
val = inw(port);
printk_debug("inw(0x%04x) = 0x%04x\n", port, val);
//printk_debug("inw(0x%04x) = 0x%04x\n", port, val);
return val;
}
@ -80,26 +80,26 @@ u32 x_inl(u16 port)
val = inl(port);
printk_debug("inl(0x%04x) = 0x%08x\n", port, val);
//printk_debug("inl(0x%04x) = 0x%08x\n", port, val);
return val;
}
void x_outb(u16 port, u8 val)
{
if (port != 0x43)
printk_debug("outb(0x%02x, 0x%04x)\n", val, port);
//if (port != 0x43)
// printk_debug("outb(0x%02x, 0x%04x)\n", val, port);
outb(val, port);
}
void x_outw(u16 port, u16 val)
{
printk_debug("outw(0x%04x, 0x%04x)\n", val, port);
//printk_debug("outw(0x%04x, 0x%04x)\n", val, port);
outw(val, port);
}
void x_outl(u16 port, u32 val)
{
printk_debug("outl(0x%08x, 0x%04x)\n", val, port);
//printk_debug("outl(0x%08x, 0x%04x)\n", val, port);
outl(val, port);
}
@ -116,7 +116,7 @@ void do_int(int num)
{
int ret = 0;
printk_debug("int%x vector at %x\n", num, getIntVect(num));
//printk_debug("int%x vector at %x\n", num, getIntVect(num));
switch (num) {
#ifndef _PC
@ -143,6 +143,7 @@ void do_int(int num)
break;
case 0x1A:
ret = pcibios_handler();
ret = 1;
break;
case 0xe6:
//ret = intE6_handler();

2
src/devices/emulator/pcbios/pcibios.c
View File

@ -12,8 +12,6 @@ int pcibios_handler()
int i, ret = 0;
struct device *dev = 0;
printk_debug("%s AX = %x\n", __func__, X86_AX);
switch (X86_AX) {
case PCI_BIOS_PRESENT:
X86_AH = 0x00; /* no config space/special cycle support */

4
src/devices/emulator/x86emu/sys.c
View File

@ -205,8 +205,8 @@ u8 *mem_ptr(u32 addr, int size)
} else
#endif
if (addr < 0x200) {
printk("%x:%x updating int vector 0x%x\n",
M.x86.R_CS, M.x86.R_IP, addr >> 2);
//printk("%x:%x updating int vector 0x%x\n",
// M.x86.R_CS, M.x86.R_IP, addr >> 2);
retaddr = (u8 *) (M.mem_base + addr);
} else {

6
src/devices/pci_device.c
View File

@ -537,6 +537,12 @@ void pci_dev_enable_resources(struct device *dev)
void pci_bus_enable_resources(struct device *dev)
{
uint16_t ctrl;
/* enable IO in command register if there is VGA card
* connected with (even it does not claim IO resource) */
if (dev->link[0].bridge_ctrl & PCI_BRIDGE_CTL_VGA)
dev->command |= PCI_COMMAND_IO;
ctrl = pci_read_config16(dev, PCI_BRIDGE_CONTROL);
ctrl |= dev->link[0].bridge_ctrl;
ctrl |= (PCI_BRIDGE_CTL_PARITY + PCI_BRIDGE_CTL_SERR); /* error check */

12
src/devices/pci_rom.c
View File

@ -17,14 +17,14 @@ struct rom_header * pci_rom_probe(struct device *dev)
return NULL;
}
printk_debug("%s, rom address for %s = %x\n",
printk_spew("%s, rom address for %s = %x\n",
__func__, dev_path(dev), rom_address);
/* enable expansion ROM address decoding */
pci_write_config32(dev, PCI_ROM_ADDRESS, rom_address|PCI_ROM_ADDRESS_ENABLE);
rom_header = rom_address;
printk_debug("%s, PCI Expansion ROM, signature 0x%04x, \n\t"
printk_spew("%s, PCI Expansion ROM, signature 0x%04x, \n\t"
"INIT size 0x%04x, data ptr 0x%04x\n",
__func__, le32_to_cpu(rom_header->signature),
rom_header->size * 512, le32_to_cpu(rom_header->data));
@ -35,14 +35,14 @@ struct rom_header * pci_rom_probe(struct device *dev)
}
rom_data = (unsigned char *) rom_header + le32_to_cpu(rom_header->data);
printk_debug("%s, PCI ROM Image, Vendor %04x, Device %04x,\n",
printk_spew("%s, PCI ROM Image, Vendor %04x, Device %04x,\n",
__func__, rom_data->vendor, rom_data->device);
if (dev->vendor != rom_data->vendor || dev->device != rom_data->device) {
printk_err("%s, Device or Vendor ID mismatch\n");
return NULL;
}
printk_debug("%s, PCI ROM Image, Class Code %02x%04x, Code Type %02x\n",
printk_spew("%s, PCI ROM Image, Class Code %02x%04x, Code Type %02x\n",
__func__, rom_data->class_hi, rom_data->class_lo,
rom_data->type);
if ((dev->class >> 8) != (rom_data->class_hi << 16 | rom_data->class_lo)) {
@ -66,12 +66,12 @@ struct rom_header *pci_rom_load(struct device *dev, struct rom_header *rom_heade
rom_size = rom_header->size*512;
if (PCI_CLASS_DISPLAY_VGA == (rom_data->class_hi << 16 | rom_data->class_lo)) {
printk_debug("%s, copying VGA ROM Image from %x to %x, %x bytes\n",
printk_spew("%s, copying VGA ROM Image from %x to %x, %x bytes\n",
__func__, rom_header, PCI_VGA_RAM_IMAGE_START, rom_size);
memcpy(PCI_VGA_RAM_IMAGE_START, rom_header, rom_size);
return (struct rom_header *) (PCI_VGA_RAM_IMAGE_START);
} else {
printk_debug("%s, copying non-VGA ROM Image from %x to %x, %x bytes\n",
printk_spew("%s, copying non-VGA ROM Image from %x to %x, %x bytes\n",
__func__, rom_header, pci_ram_image_start, rom_size);
memcpy(pci_ram_image_start, rom_header, rom_size);
pci_ram_image_start += rom_size;

4
src/northbridge/amd/amdk8/northbridge.c
View File

@ -387,6 +387,8 @@ static void amdk8_set_resource(device_t dev, struct resource *resource, unsigned
limit |= (nodeid & 7);
if (dev->link[link].bridge_ctrl & PCI_BRIDGE_CTL_VGA) {
printk_spew("%s, enabling legacy VGA IO forwarding for %s link %s\n",
__func__, dev_path(dev), link);
base |= PCI_IO_BASE_VGA_EN;
}
if (dev->link[link].bridge_ctrl & PCI_BRIDGE_CTL_NO_ISA) {
@ -439,6 +441,8 @@ static void amdk8_create_vga_resource(device_t dev, unsigned nodeid)
}
}
printk_spew("%s: link %d has VGA device\n", __func__, link);
/* no VGA card installed */
if (link == dev->links)
return;