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retrieve option roms from lar.

Browse source 
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>



git-svn-id: svn://coreboot.org/repository/coreboot-v3@657 f3766cd6-281f-0410-b1cd-43a5c92072e9
This commit is contained in:
Stefan Reinauer 2008-04-05 20:18:47 +00:00
parent 2dc8f8ec2f
commit 7920e8a96a
1 changed files with 25 additions and 5 deletions
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30
device/pci_rom.c
View file

@ -27,6 +27,7 @@
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <string.h>
#include <lar.h>
struct rom_header *pci_rom_probe(struct device *dev)
{
@ -35,12 +36,30 @@ struct rom_header *pci_rom_probe(struct device *dev)
struct pci_data *rom_data;
unsigned int i;
unsigned char sum = 0, *rom_bytes;
struct mem_file archive, result;
if (dev->on_mainboard) {
int ret;
char pcifile[] = "pci0000,0000.rom";
/* In case some device PCI_ROM_ADDRESS can not be set
* or readonly.
*/
rom_address = dev->rom_address;
init_archive(&archive);
sprintf(pcifile, "pci%04x,%04x.rom", dev->id.u.pci.vendor,
dev->id.u.pci.device);
ret = find_file(&archive, pcifile, &result);
if (ret) {
printk(BIOS_INFO, "No option rom for onboard device.\n");
return NULL;
}
/* FIXME hardcode to 0xc0000 for now because we can only init
* VGA anyways.
*/
process_file(&result, (void *)0xc0000);
rom_address = 0xc0000;
} else {
rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
}
@ -140,10 +159,11 @@ struct rom_header *pci_rom_load(struct device *dev,
if (dev != vga_pri)
return NULL; // Only one VGA supported.
#endif
printk(BIOS_DEBUG,
"Copying VGA ROM image from %p to 0x%x, 0x%x bytes\n",
rom_header, PCI_VGA_RAM_IMAGE_START, rom_size);
memcpy((void *)PCI_VGA_RAM_IMAGE_START, rom_header, rom_size);
if (rom_header != (void *)PCI_VGA_RAM_IMAGE_START) {
printk(BIOS_DEBUG, "Copying VGA ROM image from %p to 0x%x, 0x%x bytes\n",
rom_header, PCI_VGA_RAM_IMAGE_START, rom_size);
memcpy((void *)PCI_VGA_RAM_IMAGE_START, rom_header, rom_size);
}
vga_inited = 1;
return (struct rom_header *)(PCI_VGA_RAM_IMAGE_START);
#endif