[OpenBIOS] r648 - in trunk/openbios-devel: arch/sparc64 drivers

[svn at openbios.org]

Author: blueswirl
Date: 2009-12-28 11:15:33 +0100 (Mon, 28 Dec 2009)
New Revision: 648

Modified:
   trunk/openbios-devel/arch/sparc64/entry.S
   trunk/openbios-devel/drivers/pci.c
   trunk/openbios-devel/drivers/vga_vbe.c
Log:
Map VGA buffer only during PCI probe

Also pass physical addresses instead of bus addresses to VGA init.

Signed-off-by: Blue Swirl <blauwirbel at gmail.com>

Modified: trunk/openbios-devel/arch/sparc64/entry.S
===================================================================
--- trunk/openbios-devel/arch/sparc64/entry.S	2009-12-21 09:57:53 UTC (rev 647)
+++ trunk/openbios-devel/arch/sparc64/entry.S	2009-12-28 10:15:33 UTC (rev 648)
@@ -180,24 +180,6 @@
 	bne	1b
 	 add	%l2, %g5, %l2
 
-	! setup VGA buffer
-	setx	0x1ff004a0000, %g7, %g4
-        mov     2, %g6
-	set	48, %g7
-	set	0x10000, %g5
-1:      stxa	%g4, [%g7] ASI_DMMU		! vaddr = 0x1ff004a0000, ctx=0
-	set	0xa0000000, %g3
-	sllx	%g3, 32, %g3
-	or	%g3, 0x76, %g3
-	or	%g4, %g3, %g3
-	! valid, 64k, locked, cacheable(I/E/C), priv, writable
-	! paddr = 0x1ff004a0000
-	stxa	%g3, [%g0] ASI_DTLB_DATA_IN
-	add	%g4, %g5, %g4
-	deccc	%g6
-	bne	1b
-	 nop
-
 #if 1
 	! setup 0-16M
         mov     %g0, %g4

Modified: trunk/openbios-devel/drivers/pci.c
===================================================================
--- trunk/openbios-devel/drivers/pci.c	2009-12-21 09:57:53 UTC (rev 647)
+++ trunk/openbios-devel/drivers/pci.c	2009-12-28 10:15:33 UTC (rev 648)
@@ -322,6 +322,15 @@
 	set_property(dev, "ranges", (char *)props, ncells * sizeof(props[0]));
 }
 
+static unsigned long pci_bus_addr_to_host_addr(uint32_t ba)
+{
+#ifdef CONFIG_SPARC64
+    return arch->cfg_data + (unsigned long)ba;
+#else
+    return (unsigned long)ba;
+#endif
+}
+
 int host_config_cb(const pci_config_t *config)
 {
 	phandle_t aliases;
@@ -547,10 +556,11 @@
 int vga_config_cb (const pci_config_t *config)
 {
 	if (config->assigned[0] != 0x00000000)
-		vga_vbe_init(config->path, config->assigned[0] & ~0x0000000F,
-					   config->sizes[0],
-					   config->assigned[1] & ~0x0000000F,
-					   config->sizes[1]);
+            vga_vbe_init(config->path,
+                         pci_bus_addr_to_host_addr(config->assigned[0] & ~0x0000000F),
+                         config->sizes[0],
+                         pci_bus_addr_to_host_addr(config->assigned[1] & ~0x0000000F),
+                         config->sizes[1]);
 	return 0;
 }
 

Modified: trunk/openbios-devel/drivers/vga_vbe.c
===================================================================
--- trunk/openbios-devel/drivers/vga_vbe.c	2009-12-21 09:57:53 UTC (rev 647)
+++ trunk/openbios-devel/drivers/vga_vbe.c	2009-12-28 10:15:33 UTC (rev 648)
@@ -25,6 +25,7 @@
 #include "asm/io.h"
 #include "libc/vsprintf.h"
 #include "video_subr.h"
+#include "ofmem.h"
 
 /* VGA init. We use the Bochs VESA VBE extensions  */
 #define VBE_DISPI_INDEX_ID              0x0
@@ -142,7 +143,10 @@
 		depth = d;
 		linebytes = (width * ((depth + 7) / 8));
 	}
+#ifdef CONFIG_SPARC64
+        ofmem_map_page_range(fb, fb, fb_size, 0x36);
 #endif
+#endif
 
 	vga_vbe_set_mode(width, height, depth);