mpc85xx/t104xrdb: convert deep sleep to generic board interface

[platform/kernel/u-boot.git] / board / freescale / t104xrdb / ddr.c

diff --git a/board/freescale/t104xrdb/ddr.c b/board/freescale/t104xrdb/ddr.c
index 2c331ee..5aa11b1 100644 (file)
--- a/board/freescale/t104xrdb/ddr.c
+++ b/board/freescale/t104xrdb/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;
@@ -109,6 +110,19 @@ found:
        popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm);
 }
 
+#if defined(CONFIG_DEEP_SLEEP)
+void board_mem_sleep_setup(void)
+{
+       void __iomem *cpld_base = (void *)CONFIG_SYS_CPLD_BASE;
+
+       /* does not provide HW signals for power management */
+       clrbits_8(cpld_base + 0x17, 0x40);
+       /* Disable MCKE isolation */
+       gpio_set_value(2, 0);
+       udelay(1);
+}
+#endif
+
 phys_size_t initdram(int board_type)
 {
        phys_size_t dram_size;
@@ -124,5 +138,10 @@ phys_size_t initdram(int board_type)
 #else
        dram_size =  fsl_ddr_sdram_size();
 #endif
+
+#if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD)
+       fsl_dp_resume();
+#endif
+
        return dram_size;
 }