diff --git a/arch/arm/include/asm/arch-mx6/mx6-ddr.h b/arch/arm/include/asm/arch-mx6/mx6-ddr.h
new file mode 100644
index 0000000..1fdc1d4
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx6/mx6-ddr.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2013 Boundary Devices Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef __ASM_ARCH_MX6_DDR_H__
+#define __ASM_ARCH_MX6_DDR_H__
+
+#ifdef CONFIG_MX6Q
+#include "mx6q-ddr.h"
+#else
+#if defined(CONFIG_MX6DL) || defined(CONFIG_MX6S)
+#include "mx6dl-ddr.h"
+#else
+#error "Please select cpu"
+#endif	/* CONFIG_MX6DL or CONFIG_MX6S */
+#endif	/* CONFIG_MX6Q */
+
+#define MX6_MMDC_P0_MDCTL	0x021b0000
+#define MX6_MMDC_P0_MDPDC	0x021b0004
+#define MX6_MMDC_P0_MDOTC	0x021b0008
+#define MX6_MMDC_P0_MDCFG0	0x021b000c
+#define MX6_MMDC_P0_MDCFG1	0x021b0010
+#define MX6_MMDC_P0_MDCFG2	0x021b0014
+#define MX6_MMDC_P0_MDMISC	0x021b0018
+#define MX6_MMDC_P0_MDSCR	0x021b001c
+#define MX6_MMDC_P0_MDREF	0x021b0020
+#define MX6_MMDC_P0_MDRWD	0x021b002c
+#define MX6_MMDC_P0_MDOR	0x021b0030
+#define MX6_MMDC_P0_MDASP	0x021b0040
+#define MX6_MMDC_P0_MAPSR	0x021b0404
+#define MX6_MMDC_P0_MPZQHWCTRL	0x021b0800
+#define MX6_MMDC_P0_MPWLDECTRL0	0x021b080c
+#define MX6_MMDC_P0_MPWLDECTRL1	0x021b0810
+#define MX6_MMDC_P0_MPODTCTRL	0x021b0818
+#define MX6_MMDC_P0_MPRDDQBY0DL	0x021b081c
+#define MX6_MMDC_P0_MPRDDQBY1DL	0x021b0820
+#define MX6_MMDC_P0_MPRDDQBY2DL	0x021b0824
+#define MX6_MMDC_P0_MPRDDQBY3DL	0x021b0828
+#define MX6_MMDC_P0_MPDGCTRL0	0x021b083c
+#define MX6_MMDC_P0_MPDGCTRL1	0x021b0840
+#define MX6_MMDC_P0_MPRDDLCTL	0x021b0848
+#define MX6_MMDC_P0_MPWRDLCTL	0x021b0850
+#define MX6_MMDC_P0_MPMUR0	0x021b08b8
+
+#define MX6_MMDC_P1_MDCTL	0x021b4000
+#define MX6_MMDC_P1_MDPDC	0x021b4004
+#define MX6_MMDC_P1_MDOTC	0x021b4008
+#define MX6_MMDC_P1_MDCFG0	0x021b400c
+#define MX6_MMDC_P1_MDCFG1	0x021b4010
+#define MX6_MMDC_P1_MDCFG2	0x021b4014
+#define MX6_MMDC_P1_MDMISC	0x021b4018
+#define MX6_MMDC_P1_MDSCR	0x021b401c
+#define MX6_MMDC_P1_MDREF	0x021b4020
+#define MX6_MMDC_P1_MDRWD	0x021b402c
+#define MX6_MMDC_P1_MDOR	0x021b4030
+#define MX6_MMDC_P1_MDASP	0x021b4040
+#define MX6_MMDC_P1_MAPSR	0x021b4404
+#define MX6_MMDC_P1_MPZQHWCTRL	0x021b4800
+#define MX6_MMDC_P1_MPWLDECTRL0	0x021b480c
+#define MX6_MMDC_P1_MPWLDECTRL1	0x021b4810
+#define MX6_MMDC_P1_MPODTCTRL	0x021b4818
+#define MX6_MMDC_P1_MPRDDQBY0DL	0x021b481c
+#define MX6_MMDC_P1_MPRDDQBY1DL	0x021b4820
+#define MX6_MMDC_P1_MPRDDQBY2DL	0x021b4824
+#define MX6_MMDC_P1_MPRDDQBY3DL	0x021b4828
+#define MX6_MMDC_P1_MPDGCTRL0	0x021b483c
+#define MX6_MMDC_P1_MPDGCTRL1	0x021b4840
+#define MX6_MMDC_P1_MPRDDLCTL	0x021b4848
+#define MX6_MMDC_P1_MPWRDLCTL	0x021b4850
+#define MX6_MMDC_P1_MPMUR0	0x021b48b8
+
+#endif	/*__ASM_ARCH_MX6_DDR_H__ */
diff --git a/arch/arm/include/asm/arch-mx6/mx6dl-ddr.h b/arch/arm/include/asm/arch-mx6/mx6dl-ddr.h
new file mode 100644
index 0000000..325da33
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx6/mx6dl-ddr.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2013 Boundary Devices Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef __ASM_ARCH_MX6DLS_DDR_H__
+#define __ASM_ARCH_MX6DLS_DDR_H__
+
+#ifndef CONFIG_MX6DL
+#ifndef CONFIG_MX6S
+#error "wrong CPU"
+#endif
+#endif
+
+#define MX6_IOM_DRAM_DQM0	0x020e0470
+#define MX6_IOM_DRAM_DQM1	0x020e0474
+#define MX6_IOM_DRAM_DQM2	0x020e0478
+#define MX6_IOM_DRAM_DQM3	0x020e047c
+#define MX6_IOM_DRAM_DQM4	0x020e0480
+#define MX6_IOM_DRAM_DQM5	0x020e0484
+#define MX6_IOM_DRAM_DQM6	0x020e0488
+#define MX6_IOM_DRAM_DQM7	0x020e048c
+
+#define MX6_IOM_DRAM_CAS	0x020e0464
+#define MX6_IOM_DRAM_RAS	0x020e0490
+#define MX6_IOM_DRAM_RESET	0x020e0494
+#define MX6_IOM_DRAM_SDCLK_0	0x020e04ac
+#define MX6_IOM_DRAM_SDCLK_1	0x020e04b0
+#define MX6_IOM_DRAM_SDBA2	0x020e04a0
+#define MX6_IOM_DRAM_SDCKE0	0x020e04a4
+#define MX6_IOM_DRAM_SDCKE1	0x020e04a8
+#define MX6_IOM_DRAM_SDODT0	0x020e04b4
+#define MX6_IOM_DRAM_SDODT1	0x020e04b8
+
+#define MX6_IOM_DRAM_SDQS0	0x020e04bc
+#define MX6_IOM_DRAM_SDQS1	0x020e04c0
+#define MX6_IOM_DRAM_SDQS2	0x020e04c4
+#define MX6_IOM_DRAM_SDQS3	0x020e04c8
+#define MX6_IOM_DRAM_SDQS4	0x020e04cc
+#define MX6_IOM_DRAM_SDQS5	0x020e04d0
+#define MX6_IOM_DRAM_SDQS6	0x020e04d4
+#define MX6_IOM_DRAM_SDQS7	0x020e04d8
+
+#define MX6_IOM_GRP_B0DS	0x020e0764
+#define MX6_IOM_GRP_B1DS	0x020e0770
+#define MX6_IOM_GRP_B2DS	0x020e0778
+#define MX6_IOM_GRP_B3DS	0x020e077c
+#define MX6_IOM_GRP_B4DS	0x020e0780
+#define MX6_IOM_GRP_B5DS	0x020e0784
+#define MX6_IOM_GRP_B6DS	0x020e078c
+#define MX6_IOM_GRP_B7DS	0x020e0748
+#define MX6_IOM_GRP_ADDDS	0x020e074c
+#define MX6_IOM_DDRMODE_CTL	0x020e0750
+#define MX6_IOM_GRP_DDRPKE	0x020e0754
+#define MX6_IOM_GRP_DDRMODE	0x020e0760
+#define MX6_IOM_GRP_CTLDS	0x020e076c
+#define MX6_IOM_GRP_DDR_TYPE	0x020e0774
+
+#endif	/*__ASM_ARCH_MX6S_DDR_H__ */
diff --git a/arch/arm/include/asm/arch-mx6/mx6q-ddr.h b/arch/arm/include/asm/arch-mx6/mx6q-ddr.h
new file mode 100644
index 0000000..e51727c
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx6/mx6q-ddr.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2013 Boundary Devices Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef __ASM_ARCH_MX6Q_DDR_H__
+#define __ASM_ARCH_MX6Q_DDR_H__
+
+#ifndef CONFIG_MX6Q
+#error "wrong CPU"
+#endif
+
+#define MX6_IOM_DRAM_DQM0	0x020e05ac
+#define MX6_IOM_DRAM_DQM1	0x020e05b4
+#define MX6_IOM_DRAM_DQM2	0x020e0528
+#define MX6_IOM_DRAM_DQM3	0x020e0520
+#define MX6_IOM_DRAM_DQM4	0x020e0514
+#define MX6_IOM_DRAM_DQM5	0x020e0510
+#define MX6_IOM_DRAM_DQM6	0x020e05bc
+#define MX6_IOM_DRAM_DQM7	0x020e05c4
+
+#define MX6_IOM_DRAM_CAS	0x020e056c
+#define MX6_IOM_DRAM_RAS	0x020e0578
+#define MX6_IOM_DRAM_RESET	0x020e057c
+#define MX6_IOM_DRAM_SDCLK_0	0x020e0588
+#define MX6_IOM_DRAM_SDCLK_1	0x020e0594
+#define MX6_IOM_DRAM_SDBA2	0x020e058c
+#define MX6_IOM_DRAM_SDCKE0	0x020e0590
+#define MX6_IOM_DRAM_SDCKE1	0x020e0598
+#define MX6_IOM_DRAM_SDODT0	0x020e059c
+#define MX6_IOM_DRAM_SDODT1	0x020e05a0
+
+#define MX6_IOM_DRAM_SDQS0	0x020e05a8
+#define MX6_IOM_DRAM_SDQS1	0x020e05b0
+#define MX6_IOM_DRAM_SDQS2	0x020e0524
+#define MX6_IOM_DRAM_SDQS3	0x020e051c
+#define MX6_IOM_DRAM_SDQS4	0x020e0518
+#define MX6_IOM_DRAM_SDQS5	0x020e050c
+#define MX6_IOM_DRAM_SDQS6	0x020e05b8
+#define MX6_IOM_DRAM_SDQS7	0x020e05c0
+
+#define MX6_IOM_GRP_B0DS	0x020e0784
+#define MX6_IOM_GRP_B1DS	0x020e0788
+#define MX6_IOM_GRP_B2DS	0x020e0794
+#define MX6_IOM_GRP_B3DS	0x020e079c
+#define MX6_IOM_GRP_B4DS	0x020e07a0
+#define MX6_IOM_GRP_B5DS	0x020e07a4
+#define MX6_IOM_GRP_B6DS	0x020e07a8
+#define MX6_IOM_GRP_B7DS	0x020e0748
+#define MX6_IOM_GRP_ADDDS	0x020e074c
+#define MX6_IOM_DDRMODE_CTL	0x020e0750
+#define MX6_IOM_GRP_DDRPKE	0x020e0758
+#define MX6_IOM_GRP_DDRMODE	0x020e0774
+#define MX6_IOM_GRP_CTLDS	0x020e078c
+#define MX6_IOM_GRP_DDR_TYPE	0x020e0798
+
+#endif	/*__ASM_ARCH_MX6Q_DDR_H__ */