+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2005 Li-Ta Lo <ollie@lanl.gov>
+ * Copyright (C) 2005 Tyan
+ * (Written by Yinghai Lu <yhlu@tyan.com> for Tyan)
+ * Copyright (C) 2005 Ronald G. Minnich <rminnich@gmail.com>
+ * Copyright (C) 2005-2007 Stefan Reinauer <stepan@openbios.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
+#include <string.h>
+#include <cbfs.h>
-struct rom_header * pci_rom_probe(struct device *dev)
+struct rom_header *pci_rom_probe(struct device *dev)
{
- unsigned long rom_address;
struct rom_header *rom_header;
struct pci_data *rom_data;
- if (dev->on_mainboard) {
- // in case some device PCI_ROM_ADDRESS can not be set or readonly
- rom_address = dev->rom_address;
- } else {
+ /* If it's in FLASH, then don't check device for ROM. */
+ 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);
+ } else {
+ u32 rom_address;
+
rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
- }
- if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
- return NULL;
+ if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
+#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
+ return NULL;
+ } else {
+ /* 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), (unsigned long)rom_address);
+ rom_header = (struct rom_header *)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);
+ 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));
- rom_header = rom_address;
- printk_spew("PCI Expansion ROM, signature 0x%04x, \n\t"
- "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_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 = (unsigned char *) rom_header + le32_to_cpu(rom_header->data);
- 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("Device or Vendor ID mismatch Vendor %04x, Device %04x\n",
- rom_data->vendor, rom_data->device);
+ rom_data = (((void *)rom_header) + le32_to_cpu(rom_header->data));
+
+ 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_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_err("Class Code mismatch ROM %08x, dev %08x\n",
- (rom_data->class_hi << 8) | rom_data->class_lo, dev->class);
-// return NULL;
+ printk(BIOS_DEBUG, "Class Code mismatch ROM %08x, dev %08x\n",
+ (rom_data->class_hi << 8) | rom_data->class_lo,
+ dev->class);
+ // return NULL;
}
return rom_header;
}
-static void *pci_ram_image_start = PCI_RAM_IMAGE_START;
+static void *pci_ram_image_start = (void *)PCI_RAM_IMAGE_START;
-#if CONFIG_CONSOLE_VGA == 1
-int vga_inited = 0; // it will be used by vga_console
-extern device_t vga_pri; // The only VGA
-#endif
-
-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 long rom_address;
unsigned int rom_size;
unsigned int image_size=0;
- rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
-
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
+ /* 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));
- if(rom_data->type!=0) return NULL;
+ 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_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);
+ /*
+ * 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; /* Primary VGA device (device.c). */
+ if (dev != vga_pri) return NULL; /* Only one VGA supported. */
#endif
- } else {
- printk_spew("%s, copying non-VGA ROM Image from %x to %x, %x bytes\n",
- __func__, rom_header, pci_ram_image_start, rom_size);
- memcpy(pci_ram_image_start, rom_header, rom_size);
- pci_ram_image_start += rom_size;
- return (struct rom_header *) pci_ram_image_start;
+ 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);
+ }
+ return (struct rom_header *) (PCI_VGA_RAM_IMAGE_START);
}
- /* disable expansion ROM address decoding */
- pci_write_config32(dev, PCI_ROM_ADDRESS, rom_address & ~PCI_ROM_ADDRESS_ENABLE);
-
- return NULL;
+
+ 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;
+ return (struct rom_header *) (pci_ram_image_start-rom_size);
}