flash_rom.c

[Mark Wilkinson]

Hi Ron,
	I've updated the patch slightly to add a routine to enable flash writes on 
the epia mainboard with out the need for the seperate setpci command.

Mark

On Friday 28 Feb 2003 22:13, Ronald G. Minnich wrote:
> thanks for the patch!
>
> I'll try to get it in today or monday.
>
> ron
--- freebios/util/flash_and_burn/flash_rom.c	Fri Feb 28 17:21:37 2003
+++ mod-freebios/util/flash_and_burn/flash_rom.c	Sat Mar  1 15:37:40 2003
@@ -146,6 +146,30 @@
   return 0;
 }
 
+int
+enable_flash_epia(struct pci_dev *dev, char *name) {
+/* register 40.b gets bit 4 set to enable flash access
+ * information from README file for epia mainboard
+ *
+ * Should I put a check to make sure it only gets set on device 0:11.0 ?
+ * 
+ */
+  unsigned char old, new;
+  int ok;
+
+  old = pci_read_byte(dev, 0x40);
+
+  new = old | 0x10;
+
+  ok = pci_write_byte(dev, 0x40, new);
+  if (!ok) {
+    printf("Failed to set 0x%x to 0x%x on %s and got 0x%x (WARNING ONLY)\n",
+	   old, new, name, ok);
+    return -1;
+  }
+  return 0;
+}
+
 struct flashchip * probe_flash(struct flashchip * flash)
 {
     int fd_mem;
@@ -260,6 +284,7 @@
 
   {0x1, 0x1, "sis630 -- what's the ID?", enable_flash_sis630},
   {0x8086, 0x2480, "E7500", enable_flash_e7500},
+  {0x1106, 0x8231, "Via EPIA", enable_flash_epia},
 };
   
 int
@@ -291,7 +316,8 @@
   }
 
   /* now do the deed. */
-  enable->doit(dev, enable->name);
+  if ( enable )
+    enable->doit(dev, enable->name);
   return 0;
 }