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Diffstat (limited to 'src/devices/pci_rom.c')
-rw-r--r--src/devices/pci_rom.c93
1 files changed, 53 insertions, 40 deletions
diff --git a/src/devices/pci_rom.c b/src/devices/pci_rom.c
index 50351b43dc..1ae79e137d 100644
--- a/src/devices/pci_rom.c
+++ b/src/devices/pci_rom.c
@@ -38,59 +38,62 @@ struct rom_header *pci_rom_probe(struct device *dev)
rom_header = cbfs_load_optionrom(dev->vendor, dev->device, NULL);
if (rom_header) {
- printk(BIOS_DEBUG, "In cbfs, rom address for %s = %p\n",
- dev_path(dev), rom_header);
+ printk(BIOS_DEBUG, "In CBFS, ROM address for %s = %p\n",
+ dev_path(dev), rom_header);
} else {
- unsigned long rom_address;
+ u32 rom_address;
rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
- #if defined(CONFIG_BOARD_EMULATION_QEMU_X86) \
- && CONFIG_BOARD_EMULATION_QEMU_X86
+#if defined(CONFIG_BOARD_EMULATION_QEMU_X86) && CONFIG_BOARD_EMULATION_QEMU_X86
if ((dev->class >> 8) == PCI_CLASS_DISPLAY_VGA)
rom_address = 0xc0000;
else
- #endif
+#endif
return NULL;
} else {
- /* enable expansion ROM address decoding */
+ /* Enable expansion ROM address decoding. */
pci_write_config32(dev, PCI_ROM_ADDRESS,
rom_address|PCI_ROM_ADDRESS_ENABLE);
}
- printk(BIOS_DEBUG, "On card, rom address for %s = %lx\n",
- dev_path(dev), rom_address);
+ printk(BIOS_DEBUG, "On card, ROM address for %s = %lx\n",
+ dev_path(dev), (unsigned long)rom_address);
rom_header = (struct rom_header *)rom_address;
}
- printk(BIOS_SPEW, "PCI Expansion ROM, signature 0x%04x, INIT size 0x%04x, data ptr 0x%04x\n",
- le32_to_cpu(rom_header->signature),
- rom_header->size * 512, le32_to_cpu(rom_header->data));
+ printk(BIOS_SPEW, "PCI expansion ROM, signature 0x%04x, "
+ "INIT size 0x%04x, data ptr 0x%04x\n",
+ 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(BIOS_ERR, "Incorrect Expansion ROM Header Signature %04x\n",
- le32_to_cpu(rom_header->signature));
+ printk(BIOS_ERR, "Incorrect expansion ROM header "
+ "signature %04x\n", le32_to_cpu(rom_header->signature));
return NULL;
}
rom_data = (((void *)rom_header) + le32_to_cpu(rom_header->data));
- printk(BIOS_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(BIOS_ERR, "ID mismatch: Vendor ID %04x, Device ID %04x\n",
- rom_data->vendor, rom_data->device);
+ printk(BIOS_SPEW, "PCI ROM image, vendor ID %04x, device ID %04x,\n",
+ rom_data->vendor, rom_data->device);
+ if (dev->vendor != rom_data->vendor
+ || dev->device != rom_data->device) {
+ printk(BIOS_ERR, "ID mismatch: vendor ID %04x, "
+ "device ID %04x\n", rom_data->vendor, rom_data->device);
return NULL;
}
- printk(BIOS_SPEW, "PCI ROM Image, Class Code %04x%02x, Code Type %02x\n",
- rom_data->class_hi, rom_data->class_lo,
- rom_data->type);
+ printk(BIOS_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 != ((rom_data->class_hi << 8) | rom_data->class_lo)) {
printk(BIOS_DEBUG, "Class Code mismatch ROM %08x, dev %08x\n",
- (rom_data->class_hi << 8) | rom_data->class_lo,
- dev->class);
- //return NULL;
+ (rom_data->class_hi << 8) | rom_data->class_lo,
+ dev->class);
+ // return NULL;
}
return rom_header;
@@ -98,41 +101,51 @@ struct rom_header *pci_rom_probe(struct device *dev)
static void *pci_ram_image_start = (void *)PCI_RAM_IMAGE_START;
-struct rom_header *pci_rom_load(struct device *dev, struct rom_header *rom_header)
+struct rom_header *pci_rom_load(struct device *dev,
+ struct rom_header *rom_header)
{
struct pci_data * rom_data;
unsigned int rom_size;
unsigned int image_size=0;
do {
- rom_header = (struct rom_header *)((void *) rom_header + image_size); // get next image
- rom_data = (struct pci_data *)((void *) 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
+ /* Get next image. */
+ rom_header = (struct rom_header *)((void *) rom_header
+ + image_size);
+
+ rom_data = (struct pci_data *)((void *) 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;
- // We check to see if the device thinks it is a VGA device not
- // whether the ROM image is for a VGA device because some
- // devices have a mismatch between the hardware and the ROM
+ /*
+ * We check to see if the device thinks it is a VGA device not
+ * whether the ROM image is for a VGA device because some
+ * devices have a mismatch between the hardware and the ROM.
+ */
if (PCI_CLASS_DISPLAY_VGA == (dev->class >> 8)) {
#if CONFIG_CONSOLE_VGA == 1 && CONFIG_CONSOLE_VGA_MULTI == 0
- extern device_t vga_pri; // the primary vga device, defined in device.c
- if (dev != vga_pri) return NULL; // only one VGA supported
+ extern device_t vga_pri; /* Primary VGA device (device.c). */
+ if (dev != vga_pri) return NULL; /* Only one VGA supported. */
#endif
if ((void *)PCI_VGA_RAM_IMAGE_START != rom_header) {
- 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);
+ 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);
}
return (struct rom_header *) (PCI_VGA_RAM_IMAGE_START);
}
- printk(BIOS_DEBUG, "copying non-VGA ROM Image from %p to %p, 0x%x bytes\n",
- rom_header, pci_ram_image_start, rom_size);
+ printk(BIOS_DEBUG, "Copying non-VGA ROM image from %p to %p, 0x%x "
+ "bytes\n", rom_header, pci_ram_image_start, rom_size);
memcpy(pci_ram_image_start, rom_header, rom_size);
pci_ram_image_start += rom_size;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 13:58:52 +0000