am335x: Enable DDR PHY dynamic power down bit for DDR3 boards

[u-boot] / arch / arm / include / asm / arch-am33xx / ddr_defs.h

diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
index ae43ef8778580aba42f8784d6eaa55e35be2073a..7ab3bafc9578203cdc193ba10b8555b6feb9c589 100644 (file)
--- a/arch/arm/include/asm/arch-am33xx/ddr_defs.h
+++ b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
@@ -28,6 +28,7 @@
 #define VTP_CTRL_START_EN      (0x1)
 #define PHY_DLL_LOCK_DIFF      0x0
 #define DDR_CKE_CTRL_NORMAL    0x1
+#define PHY_EN_DYN_PWRDN       (0x1 << 20)
 
 /* Micron MT47H128M16RT-25E */
 #define MT47H128M16RT25E_EMIF_READ_LATENCY     0x100005