[OpenBIOS] [commit] r1143 - trunk/openbios-devel/drivers

[repository service]

Author: mcayland
Date: Sun Jun  9 14:25:08 2013
New Revision: 1143
URL: http://tracker.coreboot.org/trac/openbios/changeset/1143

Log:
pci: Modify PCI display devices so that open and close words are not created
automatically during initialisation.

This is because the work needs to be done by the "is-install" word as per the
IEEE1275 specification.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk>

Modified:
   trunk/openbios-devel/drivers/pci.c
   trunk/openbios-devel/drivers/pci.h

Modified: trunk/openbios-devel/drivers/pci.c
==============================================================================
--- trunk/openbios-devel/drivers/pci.c	Sun Jun  9 14:25:03 2013	(r1142)
+++ trunk/openbios-devel/drivers/pci.c	Sun Jun  9 14:25:08 2013	(r1143)
@@ -44,6 +44,7 @@
 
 DECLARE_UNNAMED_NODE( ob_pci_bus_node, INSTALL_OPEN, 2*sizeof(int) );
 DECLARE_UNNAMED_NODE( ob_pci_simple_node, INSTALL_OPEN, 2*sizeof(int) );
+DECLARE_UNNAMED_NODE( ob_pci_empty_node, 0, 2*sizeof(int) );
 
 const pci_arch_t *arch;
 
@@ -342,6 +343,10 @@
 	{ "close",		ob_pci_close		},
 };
 
+NODE_METHODS(ob_pci_empty_node) = {
+	{ NULL,			ob_pci_initialize	}
+};
+
 static void pci_set_bus_range(const pci_config_t *config)
 {
 	phandle_t dev = find_dev(config->path);
@@ -1229,6 +1234,9 @@
             REGISTER_NAMED_NODE_PHANDLE(ob_pci_bus_node, config.path, phandle);
         }
         break;
+    case PCI_CLASS_DISPLAY:
+	REGISTER_NAMED_NODE_PHANDLE(ob_pci_empty_node, config.path, phandle);
+	break;
     default:
         REGISTER_NAMED_NODE_PHANDLE(ob_pci_simple_node, config.path, phandle);
         break;

Modified: trunk/openbios-devel/drivers/pci.h
==============================================================================
--- trunk/openbios-devel/drivers/pci.h	Sun Jun  9 14:25:03 2013	(r1142)
+++ trunk/openbios-devel/drivers/pci.h	Sun Jun  9 14:25:08 2013	(r1143)
@@ -27,6 +27,7 @@
 
 
 #define PCI_REVISION_ID 	0x08    /* Revision ID */
+#define PCI_CLASS_DISPLAY	0x03
 #define PCI_CLASS_PROG		0x09
 #define PCI_CLASS_DEVICE	0x0a
 #define PCI_CACHE_LINE_SIZE     0x0c    /* 8 bits */