PERFORCE change 153780 for review

[Sam Leffler]

http://perforce.freebsd.org/chv.cgi?CH=153780

Change 153780 by sam at sam_ebb on 2008/11/29 18:42:54

	checkpoint ixp435 work; we're apparently not mapping the
	MCU registers correctly as their contents looks wrong; need
	this so we can size DDRAM at boot

Affected files ...

.. //depot/projects/vap/sys/arm/xscale/ixp425/ixp425_mem.c#3 edit

Differences ...

==== //depot/projects/vap/sys/arm/xscale/ixp425/ixp425_mem.c#3 (text+ko) ====

@@ -62,11 +62,10 @@
 	0, 0
 };
 
-#define MCU_REG_READ(x)	(*(volatile uint32_t *)(IXP425_MCU_VBASE + (x)))
-
 uint32_t
 ixp425_sdram_size(void)
 {
+#define MCU_REG_READ(x)	(*(volatile uint32_t *)(IXP425_MCU_VBASE + (x)))
 	uint32_t size, sdr_config;
 
 	sdr_config = MCU_REG_READ(MCU_SDR_CONFIG);
@@ -82,4 +81,20 @@
 	}
 
 	return (size);
+#undef MCU_REG_READ
+}
+
+uint32_t
+ixp435_ddram_size(void)
+{
+#define MCU_REG_READ(x)	(*(volatile uint32_t *)(IXP435_MCU_VBASE + (x)))
+
+printf("sdir 0x%x\n", MCU_REG_READ(MCU_DDR_SDIR));/*XXX*/
+printf("sdcr0 0x%x\n", MCU_REG_READ(MCU_DDR_SDCR0));/*XXX*/
+printf("sdcr1 0x%x\n", MCU_REG_READ(MCU_DDR_SDCR1));/*XXX*/
+printf("sdbr 0x%x\n", MCU_REG_READ(MCU_DDR_SDBR));/*XXX*/
+printf("sbr0 0x%x\n", MCU_REG_READ(MCU_DDR_SBR0));/*XXX*/
+printf("sbr1 0x%x\n", MCU_REG_READ(MCU_DDR_SBR1));/*XXX*/
+	return 128*1024*1024;	/*XXX*/
+#undef MCU_REG_READ
 }