The epia now works.

Now to fix the ram ...


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1159 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 11 insertions, 61 deletions

diff --git a/src/northbridge/via/vt8601/northbridge.c b/src/northbridge/via/vt8601/northbridge.c
index 33dc4ec758..8f5d1730a6 100644
--- a/src/northbridge/via/vt8601/northbridge.c
+++ b/src/northbridge/via/vt8601/northbridge.c
@@ -20,77 +20,27 @@ struct mem_range *sizeram(void)
 	device_t dev;
 	int i, idx;
 
-#warning "FIXME handle interleaved nodes"
-	dev = dev_find_slot(0, PCI_DEVFN(0x18, 1));
+	dev = dev_find_slot(0, 0);
 	if (!dev) {
-		printk_err("Cannot find PCI: 0:18.1\n");
+		printk_err("Cannot find PCI: 0:0\n");
 		return 0;
 	}
-	mmio_basek = (dev_root.resource[1].base >> 10);
-	/* Round mmio_basek to something the processor can support */
-	mmio_basek &= ~((1 << 6) -1);
-
-#if 1
-#warning "FIXME improve mtrr.c so we don't use up all of the mtrrs with a 64M MMIO hole"
-	/* Round the mmio hold to 256M */
-	mmio_basek &= ~((256*1024) - 1);
-#endif
+	mem[0].basek = 0;
+	mem[0].sizek = 65536;
+	idx = 1;
+	while(idx < sizeof(mem)/sizeof(mem[0])) {
+		mem[idx].basek = 0;
+		mem[idx].sizek = 0;
+		idx++;
+	}
 
 #if 1
-	printk_debug("mmio_base: %dKB\n", mmio_basek);
-#endif
-
-	for(idx = i = 0; i < 8; i++) {
-		uint32_t base, limit;
-		unsigned basek, limitk, sizek;
-		base  = pci_read_config32(dev, 0x40 + (i<<3));
-		limit = pci_read_config32(dev, 0x44 + (i<<3));
-		if ((base & ((1<<1)|(1<<0))) != ((1<<1)|(1<<0))) {
-			continue;
-		}
-		basek = (base & 0xffff0000) >> 2;
-		limitk = ((limit + 0x00010000) & 0xffff0000) >> 2;
-		sizek = limitk - basek;
-		if ((idx > 0) &&
-			((mem[idx -1].basek + mem[idx - 1].sizek) == basek)) {
-			mem[idx -1].sizek += sizek;
-		}
-		else {
-			mem[idx].basek = basek;
-			mem[idx].sizek = sizek;
-			idx++;
-		}
-		/* See if I need to split the region to accomodate pci memory space */
-		if ((mem[idx - 1].basek <= mmio_basek) &&
-			((mem[idx - 1].basek + mem[idx - 1].sizek) >  mmio_basek)) {
-			if (mem[idx - 1].basek < mmio_basek) {
-				unsigned pre_sizek;
-				pre_sizek = mmio_basek - mem[idx - 1].basek;
-				mem[idx].basek = mmio_basek;
-				mem[idx].sizek = mem[idx - 1].sizek - pre_sizek;
-				mem[idx - 1].sizek = pre_sizek;
-				idx++;
-			}
-			if ((mem[idx - 1].basek + mem[idx - 1].sizek) <= 4*1024*1024) {
-				idx -= 1;
-			}
-			else {
-				mem[idx - 1].basek = 4*1024*1024;
-				mem[idx - 1].sizek -= (4*1024*1024 - mmio_basek);
-			}
-		}
-	}
-#if 0
 	for(i = 0; i < idx; i++) {
 		printk_debug("mem[%d].basek = %08x mem[%d].sizek = %08x\n",
 			i, mem[i].basek, i, mem[i].sizek);
 	}
 #endif
-	while(idx < sizeof(mem)/sizeof(mem[0])) {
-		mem[idx].basek = 0;
-		mem[idx].sizek = 0;
-		idx++;
-	}
+
 	return mem;
 }
 static void enumerate(struct chip *chip)