---

yaml --- r: 6934 b: refs/heads/master c: f54bef9 h: refs/heads/master v: v3
git-mirror · Sep 5, 2005 · 35e32a3 · 35e32a3
1 parent 0fde5db
commit 35e32a3
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Showing 5 changed files with 327 additions and 212 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f4c6cc8d1e2305796f7fdad52d83b88cea4d2276
+refs/heads/master: f54bef9e9c84c8dc656c55dc96c1da7b6d1c53d8
diff --git a/trunk/arch/ppc/boot/simple/misc-cpci690.c b/trunk/arch/ppc/boot/simple/misc-cpci690.c
@@ -12,16 +12,56 @@
  */
 
 #include <linux/types.h>
+#include <asm/io.h>
 #include <platforms/cpci690.h>
 
+#define	KB	(1024UL)
+#define	MB	(1024UL*KB)
+#define	GB	(1024UL*MB)
+
 extern u32 mv64x60_console_baud;
 extern u32 mv64x60_mpsc_clk_src;
 extern u32 mv64x60_mpsc_clk_freq;
 
+u32 mag = 0xffff;
+
+unsigned long
+get_mem_size(void)
+{
+	u32	size;
+
+	switch (in_8(((void __iomem *)CPCI690_BR_BASE + CPCI690_BR_MEM_CTLR))
+			& 0x07) {
+	case 0x01:
+		size = 256*MB;
+		break;
+	case 0x02:
+		size = 512*MB;
+		break;
+	case 0x03:
+		size = 768*MB;
+		break;
+	case 0x04:
+		size = 1*GB;
+		break;
+	case 0x05:
+		size = 1*GB + 512*MB;
+		break;
+	case 0x06:
+		size = 2*GB;
+		break;
+	default:
+		size = 0;
+	}
+
+	return size;
+}
+
 void
 mv64x60_board_init(void __iomem *old_base, void __iomem *new_base)
 {
 	mv64x60_console_baud = CPCI690_MPSC_BAUD;
 	mv64x60_mpsc_clk_src = CPCI690_MPSC_CLK_SRC;
-	mv64x60_mpsc_clk_freq = CPCI690_BUS_FREQ;
+	mv64x60_mpsc_clk_freq =
+		(get_mem_size() >= (1*GB)) ? 100000000 : 133333333;
 }