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| author | Yinghai Lu <yinghailu@gmail.com> | 2005-01-18 03:10:46 +0000 |
|---|---|---|
| committer | Yinghai Lu <yinghailu@gmail.com> | 2005-01-18 03:10:46 +0000 |
| commit | 54ab3115e3adc2d7bda94be6371654896bc9d33a (patch) | |
| tree | bafdb98e317407ae8632b7fadacf2856b3e6065e /src/devices | |
| parent | 328852d24353f439e0419b50aebce39482f6a5cd (diff) | |
| download | coreboot-54ab3115e3adc2d7bda94be6371654896bc9d33a.tar.xz | |
class code reverse
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1882 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/devices')
| -rw-r--r-- | src/devices/pci_rom.c | 38 |
1 files changed, 21 insertions, 17 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", |