mpc85xx: Add deep sleep support on T104xRDB

Add deep sleep support on T104xRDB platforms.

Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

board/freescale/t104xrdb/t104xrdb.c

@@ -17,6 +17,7 @@
 #include <asm/fsl_portals.h>
 #include <asm/fsl_liodn.h>
 #include <fm_eth.h>
+#include <asm/mpc85xx_gpio.h>
 
 #include "t104xrdb.h"
 #include "cpld.h"
@@ -104,3 +105,12 @@ void ft_board_setup(void *blob, bd_t *bd)
 	fdt_fixup_fman_ethernet(blob);
 #endif
 }
+
+#ifdef CONFIG_DEEP_SLEEP
+void board_mem_sleep_setup(void)
+{
+	/* Disable MCKE isolation */
+	gpio_set_value(2, 0);
+	udelay(1);
+}
+#endif

include/configs/T104xRDB.h

@@ -25,6 +25,10 @@
 #define CONFIG_SYS_BOOK3E_HV		/* Category E.HV supported */
 #define CONFIG_MP			/* support multiple processors */
 
+/* support deep sleep */
+#define CONFIG_DEEP_SLEEP
+#define CONFIG_SILENT_CONSOLE
+
 #ifndef CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_TEXT_BASE	0xeff40000
 #endif