sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-10

Browse Source 
Creator:  Yinghai Lu <yhlu@tyan.com>

pci_rom.h  smbus device parent device print


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1929 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
arch import user (historical)
2005-07-06 16:49:59 +00:00
parent ca0084ef9b
commit 2305364397
6 changed files with 30 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
src/devices/pci_rom.c
View File

@@ -10,15 +10,15 @@ struct rom_header * pci_rom_probe(struct device *dev)
struct rom_header *rom_header;
struct pci_data *rom_data;
rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
if (dev->on_mainboard) {
// in case some device PCI_ROM_ADDRESS can not be set or readonly
rom_address = dev->rom_address;
} else {
rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
}
if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
if (dev->on_mainboard && (dev->rom_address!=0) ) {
// in case some device PCI_ROM_ADDRESS can not be set
rom_address = dev->rom_address;
} else {
return NULL;
}
return NULL;
}
printk_debug("rom address for %s = %x\n", dev_path(dev), rom_address);
@@ -71,16 +71,25 @@ struct rom_header *pci_rom_load(struct device *dev, struct rom_header *rom_heade
struct pci_data * rom_data;
unsigned long rom_address;
unsigned int rom_size;
unsigned int image_size=0;
rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
rom_data = (unsigned char *) rom_header + le32_to_cpu(rom_header->data);
rom_size = rom_header->size*512;
do {
rom_header = (unsigned char *) rom_header + image_size; // get next image
rom_data = (unsigned char *) rom_header + le32_to_cpu(rom_header->data);
image_size = le32_to_cpu(rom_data->ilen) * 512;
} while ((rom_data->type!=0) && (rom_data->indicator!=0)); // make sure we got x86 version
if(rom_data->type!=0) return NULL;
rom_size = rom_header->size * 512;
if (PCI_CLASS_DISPLAY_VGA == rom_data->class_hi) {
#if CONFIG_CONSOLE_VGA == 1
if (dev != vga_pri) return NULL; // only one VGA supported
printk_spew("%s, copying VGA ROM Image from %x to %x, %x bytes\n",
__func__, rom_header, PCI_VGA_RAM_IMAGE_START, rom_size);
printk_debug("copying VGA ROM Image from %x to %x, %x bytes\n",
rom_header, PCI_VGA_RAM_IMAGE_START, rom_size);
memcpy(PCI_VGA_RAM_IMAGE_START, rom_header, rom_size);
vga_inited = 1;
return (struct rom_header *) (PCI_VGA_RAM_IMAGE_START);