Patch set updated for coreboot: d7bdd49 Add possibility to patch VGA oprom

[Christian Gmeiner]

Christian Gmeiner ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1478

-gerrit

commit d7bdd498d6ed6cbf39c72b15ea24887303740310
Author: Christian Gmeiner 
Date:   Wed Aug 22 16:51:32 2012 +0200

Add possibility to patch VGA oprom

In some rare cases it could be useful to patch a VGA oprom in order
    to fix some stuff. In later patches this will be used to add EDID
    information to SeaVIDEOBIOS in oder to support some flat panels.

Change-Id: Ic1005053265505a65b6fd99bc3c6c9cfcbffee43
    Signed-off-by: Christian Gmeiner 
---
 src/devices/pci_rom.c        | 9 ++++++++-
 src/include/device/pci_rom.h | 3 +++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/devices/pci_rom.c b/src/devices/pci_rom.c
index fe67515..95f8b3b 100644
--- a/src/devices/pci_rom.c
+++ b/src/devices/pci_rom.c
@@ -161,7 +161,14 @@ struct rom_header *pci_rom_load(struct device *dev,
    		       PCI_VGA_RAM_IMAGE_START, rom_size);
    		memcpy((void *)PCI_VGA_RAM_IMAGE_START, rom_header,
    		       rom_size);
-		}
+		}git commit --amend -m
+
+		/* In some cases it is useful to patch an pci vga oprom. A good example
+		 * is adding/changing some EDID information stored in the VGA option rom.
+		 */
+		if (pci_vga_rom_patch)
+			pci_vga_rom_patch(rom_data, (void *)PCI_VGA_RAM_IMAGE_START);
+
    	return (struct rom_header *) (PCI_VGA_RAM_IMAGE_START);
    }

diff --git a/src/include/device/pci_rom.h b/src/include/device/pci_rom.h
index fe77276..690e304 100644
--- a/src/include/device/pci_rom.h
+++ b/src/include/device/pci_rom.h
@@ -37,4 +37,7 @@ struct rom_header *pci_rom_probe(struct device *dev);
 struct rom_header *pci_rom_load(struct device *dev, struct rom_header *rom_header);
 u32 __attribute__((weak)) map_oprom_vendev(u32 vendev);

+void __attribute__((weak))
+pci_vga_rom_patch(struct pci_data *rom_data, void *pci_vga_ram_image_start);
+
 #endif