Configuration changes for ADS5121 Rev 3

ADS5121 Rev 3 board is now the default config

config targets are now

ads5121_config
    Rev 3 board with
	PCI
	M41T62 on board RTC
	512MB DRAM

ads5121_rev2_config
    Rev 2 board with
	No PCI
	256MB DRAM

Signed-off-by: Martha Marx <mmarx@silicontkx.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: John Rigby <jrigby@freescale.com>
diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c
index 130b81d..de59991 100644
--- a/board/ads5121/ads5121.c
+++ b/board/ads5121/ads5121.c
@@ -26,7 +26,9 @@
 #include <asm/bitops.h>
 #include <command.h>
 #include <fdt_support.h>
-
+#ifdef CONFIG_MISC_INIT_R
+#include <i2c.h>
+#endif
 /* Clocks in use */
 #define SCCR1_CLOCKS_EN	(CLOCK_SCCR1_CFG_EN |				\
 			 CLOCK_SCCR1_LPC_EN |				\
@@ -75,8 +77,21 @@
 	 * Without this the flash identification routine fails, as it needs to issue
 	 * write commands in order to establish the device ID.
 	 */
-	*((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0xC1;
 
+#ifdef CONFIG_ADS5121_REV2
+	*((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0xC1;
+#else
+	if (*((u8 *)(CFG_CPLD_BASE + 0x08)) & 0x04) {
+		*((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0xC1;
+	} else {
+		/* running from Backup flash */
+		*((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0x32;
+	}
+#endif
+	/*
+	 * Configure Flash Speed
+	 */
+	*((volatile u32 *)(CFG_IMMR + LPC_OFFSET + CS0_CONFIG)) = CFG_CS0_CFG;
 	/*
 	 * Enable clocks
 	 */