summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorYinghai Lu <yinghailu@gmail.com>2005-01-18 03:10:46 +0000
committerYinghai Lu <yinghailu@gmail.com>2005-01-18 03:10:46 +0000
commit54ab3115e3adc2d7bda94be6371654896bc9d33a (patch)
treebafdb98e317407ae8632b7fadacf2856b3e6065e
parent328852d24353f439e0419b50aebce39482f6a5cd (diff)
downloadcoreboot-54ab3115e3adc2d7bda94be6371654896bc9d33a.tar.xz
class code reverse
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1882 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
-rw-r--r--src/devices/pci_rom.c38
-rw-r--r--src/include/device/pci_rom.h4
2 files changed, 23 insertions, 19 deletions
diff --git a/src/devices/pci_rom.c b/src/devices/pci_rom.c
index 92f0b0980f..3639af7177 100644
--- a/src/devices/pci_rom.c
+++ b/src/devices/pci_rom.c
@@ -13,41 +13,45 @@ struct rom_header * pci_rom_probe(struct device *dev)
rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
- return NULL;
+ 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;
}
- printk_debug("%s, rom address for %s = %x\n",
- __func__, dev_path(dev), rom_address);
+ printk_debug("rom address for %s = %x\n",
+ 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_spew("%s, PCI Expansion ROM, signature 0x%04x, \n\t"
+ printk_spew("PCI Expansion ROM, signature 0x%04x, \n\t"
"INIT size 0x%04x, data ptr 0x%04x\n",
- __func__, le32_to_cpu(rom_header->signature),
+ le32_to_cpu(rom_header->signature),
rom_header->size * 512, le32_to_cpu(rom_header->data));
if (le32_to_cpu(rom_header->signature) != PCI_ROM_HDR) {
- printk_err("%s, Incorrect Expansion ROM Header Signature %04x\n",
- __func__, le32_to_cpu(rom_header->signature));
+ printk_err("Incorrect Expansion ROM Header Signature %04x\n",
+ le32_to_cpu(rom_header->signature));
return NULL;
}
rom_data = (unsigned char *) rom_header + le32_to_cpu(rom_header->data);
- printk_spew("%s, PCI ROM Image, Vendor %04x, Device %04x,\n",
- __func__, rom_data->vendor, rom_data->device);
+ printk_spew("PCI ROM Image, Vendor %04x, Device %04x,\n",
+ 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");
+ printk_err("Device or Vendor ID mismatch Vendor %04x, Device %04x\n", rom_data->vendor, rom_data->device);
return NULL;
}
- printk_spew("%s, PCI ROM Image, Class Code %02x%04x, Code Type %02x\n",
- __func__, rom_data->class_hi, rom_data->class_lo,
+ printk_spew("PCI ROM Image, Class Code %04x%02x, Code Type %02x\n",
+ rom_data->class_hi, rom_data->class_lo,
rom_data->type);
- if ((dev->class >> 8) != (rom_data->class_hi << 16 | rom_data->class_lo)) {
- printk_err("%s, Class Code mismatch %x\n",
- __func__, dev->class);
- return NULL;
+ if (dev->class != ((rom_data->class_hi << 8) | rom_data->class_lo)) {
+ printk_err("Class Code mismatch ROM %08x, dev %08x\n",
+ (rom_data->class_hi << 8) | rom_data->class_lo, dev->class);
+// return NULL;
}
return rom_header;
@@ -70,7 +74,7 @@ struct rom_header *pci_rom_load(struct device *dev, struct rom_header *rom_heade
rom_data = (unsigned char *) rom_header + le32_to_cpu(rom_header->data);
rom_size = rom_header->size*512;
- if (PCI_CLASS_DISPLAY_VGA == (rom_data->class_hi << 16 | rom_data->class_lo)) {
+ 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",
diff --git a/src/include/device/pci_rom.h b/src/include/device/pci_rom.h
index 4d82142459..3236254697 100644
--- a/src/include/device/pci_rom.h
+++ b/src/include/device/pci_rom.h
@@ -24,8 +24,8 @@ struct pci_data {
uint16_t reserved_1;
uint16_t dlen;
uint8_t drevision;
- uint8_t class_hi;
- uint16_t class_lo;
+ uint8_t class_lo;
+ uint16_t class_hi;
uint16_t ilen;
uint16_t irevision;
uint8_t type;