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authorarch import user (historical) <svn@openbios.org>2005-07-06 16:49:59 +0000
committerarch import user (historical) <svn@openbios.org>2005-07-06 16:49:59 +0000
commit2305364397f9d4b4722e594069d4e2960cc35911 (patch)
tree732ebfaccb3f3b4c10bb30c497b01897a39c4ecb /src/devices/pci_rom.c
parentca0084ef9bed2f67618d3d183afb0a2d413595ab (diff)
Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-10
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
Diffstat (limited to 'src/devices/pci_rom.c')
-rw-r--r--src/devices/pci_rom.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/src/devices/pci_rom.c b/src/devices/pci_rom.c
index 557553ab5a..e0a7138464 100644
--- a/src/devices/pci_rom.c
+++ b/src/devices/pci_rom.c
@@ -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);