CONFIG_PCI_ROM_RUN

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1875 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/devices/Config.lb

@@ -1,3 +1,4 @@
+uses CONFIG_PCI_ROM_RUN
 object device.o
 object root_device.o
 object device_util.o
@@ -7,5 +8,7 @@ object hypertransport.o
 object pci_ops.o
 object smbus_ops.o
 
-object pci_rom.o
+if CONFIG_PCI_ROM_RUN
-dir emulator
+	object pci_rom.o
+	dir emulator
+end

src/devices/device.c

@@ -364,6 +364,7 @@ void compute_allocate_resource(
 
 }
 
+#if CONFIG_CONSOLE_VGA == 1
 static void allocate_vga_resource(void)
 {
 #warning "FIXME modify allocate_vga_resource so it is less pci centric!"
@@ -401,7 +402,7 @@ static void allocate_vga_resource(void)
 		bus = (bus == bus->dev->bus)? 0 : bus->dev->bus;
 	} 
 }
-
+#endif
 
 /**
  * @brief  Assign the computed resources to the devices on the bus.
@@ -556,8 +557,10 @@ void dev_configure(void)
 	mem->flags |= IORESOURCE_ASSIGNED;
 	mem->flags &= ~IORESOURCE_STORED;
 
+#if CONFIG_CONSOLE_VGA == 1
 	/* Allocate the VGA I/O resource.. */
 	allocate_vga_resource(); 
+#endif
 
 	/* Store the computed resource allocations into device registers ... */
 	printk_info("Setting resources...\n");

src/devices/pci_device.c

@@ -551,10 +551,12 @@ void pci_bus_enable_resources(struct device *dev)
 {
 	uint16_t ctrl;
 
+#if CONFIG_CONSOLE_VGA == 1
 	/* enable IO in command register if there is VGA card
 	 * connected with (even it does not claim IO resource) */
 	if (dev->link[0].bridge_ctrl & PCI_BRIDGE_CTL_VGA)
 		dev->command |= PCI_COMMAND_IO;
+#endif
 
 	ctrl = pci_read_config16(dev, PCI_BRIDGE_CONTROL);
 	ctrl |= dev->link[0].bridge_ctrl;
@@ -573,6 +575,7 @@ void pci_dev_set_subsystem(device_t dev, unsigned vendor, unsigned device)
 		((device & 0xffff) << 16) | (vendor & 0xffff));
 }
 
+#if CONFIG_PCI_ROM_RUN == 1
 void pci_dev_init(struct device *dev)
 {
 	struct rom_header *rom, *ram;
@@ -581,9 +584,12 @@ void pci_dev_init(struct device *dev)
 	if (rom == NULL)
 		return;
 	ram = pci_rom_load(dev, rom);
+	if (ram == NULL)
+		return;
 
 	run_bios(dev, ram);
 }
+#endif
 
 /** Default device operation for PCI devices */
 static struct pci_operations pci_dev_ops_pci = {
@@ -594,7 +600,11 @@ struct device_operations default_pci_ops_dev = {
 	.read_resources   = pci_dev_read_resources,
 	.set_resources    = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
+#if CONFIG_PCI_ROM_RUN == 1
 	.init		  = pci_dev_init,
+#else
+	.init		  = 0,
+#endif
 	.scan_bus	  = 0,
 	.enable           = 0,
 	.ops_pci          = &pci_dev_ops_pci,

src/devices/pci_rom.c

@@ -11,11 +11,12 @@ struct rom_header * pci_rom_probe(struct device *dev)
 	struct pci_data *rom_data;
 
 	rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
+
 	if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
 		return NULL;
 	}
 
-	printk_spew("%s, rom address for %s = %x\n",
+	printk_debug("%s, rom address for %s = %x\n",
 		    __func__, dev_path(dev), rom_address);
 
 	/* enable expansion ROM address decoding */
@@ -53,6 +54,11 @@ struct rom_header * pci_rom_probe(struct device *dev)
 }
 
 static void *pci_ram_image_start = PCI_RAM_IMAGE_START;
+
+#if CONFIG_CONSOLE_VGA == 1
+int vga_inited = 0; // it will be used by vga_console 
+#endif
+
 struct rom_header *pci_rom_load(struct device *dev, struct rom_header *rom_header)
 {
 	struct pci_data * rom_data;
@@ -64,10 +70,14 @@ struct rom_header *pci_rom_load(struct device *dev, struct rom_header *rom_heade
 	rom_size = rom_header->size*512;
 
 	if (PCI_CLASS_DISPLAY_VGA == (rom_data->class_hi << 16 | rom_data->class_lo)) {
+#if CONFIG_CONSOLE_VGA == 1
+		if(vga_inited) return NULL; // only one VGA supported
 		printk_spew("%s, copying VGA ROM Image from %x to %x, %x bytes\n",
 			    __func__, 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);
+#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);
@@ -77,4 +87,6 @@ struct rom_header *pci_rom_load(struct device *dev, struct rom_header *rom_heade
 	}
 	/* disable expansion ROM address decoding */
 	pci_write_config32(dev, PCI_ROM_ADDRESS, rom_address & ~PCI_ROM_ADDRESS_ENABLE);
+	
+	return NULL;
 }

src/mainboard/tyan/s2850/Options.lb

@@ -51,6 +51,8 @@ uses CC
 uses HOSTCC
 uses OBJCOPY
 uses CONFIG_CHIP_NAME
+uses CONFIG_CONSOLE_VGA
+uses CONFIG_PCI_ROM_RUN
 
 ###
 ### Build options
@@ -115,7 +117,11 @@ default CONFIG_SMP=1
 default CONFIG_MAX_CPUS=1
 
 #BTEXT CONSOLE
-default CONFIG_CONSOLE_BTEXT=1
+#default CONFIG_CONSOLE_BTEXT=1
+
+#VGA
+default CONFIG_CONSOLE_VGA=1
+default CONFIG_PCI_ROM_RUN=1
 
 ##
 ## Build code to setup a generic IOAPIC