onboard pci_rom

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1860 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/devices/pci_device.c

@@ -273,8 +273,10 @@ static void pci_read_bases(struct device *dev, unsigned int howmany, unsigned lo
 		resource = pci_get_resource(dev, index);
 		index += (resource->flags & IORESOURCE_PCI64)?8:4;
 	}
-	if (rom)
+	if (rom) {
+		if ((!dev->on_mainboard) || (dev->rom_address == 0))
 			pci_get_rom_resource(dev, rom);
+	}
 
 	compact_resources(dev);
 }

src/devices/pci_rom.c

@@ -4,16 +4,23 @@
 #include <device/pci_ids.h>
 #include <device/pci_ops.h>
 
+#include "../drivers/pci/onboard/chip.h"
+
 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 && (dev->rom_address != 0) ) {
+                rom_address = dev->rom_address;
+        }
+        else {
+                rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
+        }
+
 	rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
 	if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
-		/* FixME: search in the LinuxBIOS Image for integrated
-		 * devices? */
 		return NULL;
 	}
 

src/drivers/pci/onboard/onboard.c

@@ -11,9 +11,16 @@
 #include <device/pci_ops.h>
 #include "chip.h"
 
+static void onboard_enable(device_t dev) 
+{
+	struct drivers_pci_onboard_config *conf;
+        conf = dev->chip_info;
+	dev->rom_address = conf->rom_address;
+}
 
 struct chip_operations drivers_pci_onboard_ops = {
 #if CONFIG_CHIP_NAME == 1
 	CHIP_NAME("Onboard PCI")
 #endif
+	.enable_dev = onboard_enable,
 };

src/include/device/device.h

@@ -72,6 +72,7 @@ struct device {
 	unsigned int    initialized : 1; /* set if we have initialized the device */
 	unsigned int    have_resources : 1; /* Set if we have read the devices resources */
 	unsigned int    on_mainboard : 1;
+	unsigned long   rom_address;
 
 	uint8_t command;