mpc85xx/t1040qds: convert deep sleep to generic board interface

A new deep sleep interface is introduced to support generic
board structure. Converts it to use new interface.

Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/t1040qds/ddr.c b/board/freescale/t1040qds/ddr.c
index 43f952f..8240240 100644
--- a/board/freescale/t1040qds/ddr.c
+++ b/board/freescale/t1040qds/ddr.c
@@ -11,6 +11,7 @@
 #include <fsl_ddr_sdram.h>
 #include <fsl_ddr_dimm_params.h>
 #include <asm/fsl_law.h>
+#include <asm/mpc85xx_gpio.h>
 #include "ddr.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -100,6 +101,19 @@
 #endif
 }
 
+#if defined(CONFIG_DEEP_SLEEP)
+void board_mem_sleep_setup(void)
+{
+	void __iomem *qixis_base = (void *)QIXIS_BASE;
+
+	/* does not provide HW signals for power management */
+	clrbits_8(qixis_base + 0x21, 0x2);
+	/* Disable MCKE isolation */
+	gpio_set_value(2, 0);
+	udelay(1);
+}
+#endif
+
 phys_size_t initdram(int board_type)
 {
 	phys_size_t dram_size;
@@ -112,5 +126,10 @@
 	dram_size *= 0x100000;
 
 	puts("    DDR: ");
+
+#if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD)
+	fsl_dp_resume();
+#endif
+
 	return dram_size;
 }