diff --git a/arch/arm/cpu/armv7/socfpga/system_manager.c b/arch/arm/cpu/armv7/socfpga/system_manager.c
index d96521b..07c72e4 100644
--- a/arch/arm/cpu/armv7/socfpga/system_manager.c
+++ b/arch/arm/cpu/armv7/socfpga/system_manager.c
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2013 Altera Corporation <www.altera.com>
+ * Copyright (C) 2013 Altera Corporation <www.altera.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -7,21 +7,23 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/system_manager.h>
+#include <asm/arch/fpga_manager.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+static struct socfpga_system_manager *sysmgr_regs =
+	(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
+
 /*
  * Configure all the pin muxes
  */
 void sysmgr_pinmux_init(void)
 {
-	unsigned long offset = CONFIG_SYSMGR_PINMUXGRP_OFFSET;
-
-	const unsigned long *pval = sys_mgr_init_table;
-	unsigned long i;
+	uint32_t regs = (uint32_t)&sysmgr_regs->emacio[0];
+	int i;
 
-	for (i = 0; i < ARRAY_SIZE(sys_mgr_init_table);
-		i++, offset += sizeof(unsigned long)) {
-		writel(*pval++, (SOCFPGA_SYSMGR_ADDRESS + offset));
+	for (i = 0; i < ARRAY_SIZE(sys_mgr_init_table); i++) {
+		writel(sys_mgr_init_table[i], regs);
+		regs += sizeof(regs);
 	}
 }
diff --git a/arch/arm/include/asm/arch-socfpga/system_manager.h b/arch/arm/include/asm/arch-socfpga/system_manager.h
index 838d210..90d2720 100644
--- a/arch/arm/include/asm/arch-socfpga/system_manager.h
+++ b/arch/arm/include/asm/arch-socfpga/system_manager.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2013 Altera Corporation <www.altera.com>
+ * Copyright (C) 2013 Altera Corporation <www.altera.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -16,72 +16,122 @@ extern unsigned long sys_mgr_init_table[CONFIG_HPS_PINMUX_NUM];
 
 #endif
 
-
-#define CONFIG_SYSMGR_PINMUXGRP_OFFSET	(0x400)
-
-#define SYSMGR_SDMMC_CTRL_SET(smplsel, drvsel)	\
-	((((drvsel) << 0) & 0x7) | (((smplsel) << 3) & 0x38))
-
 struct socfpga_system_manager {
-	u32	siliconid1;
+	/* System Manager Module */
+	u32	siliconid1;			/* 0x00 */
 	u32	siliconid2;
 	u32	_pad_0x8_0xf[2];
-	u32	wddbg;
+	u32	wddbg;				/* 0x10 */
 	u32	bootinfo;
 	u32	hpsinfo;
 	u32	parityinj;
-	u32	fpgaintfgrp_gbl;
+	/* FPGA Interface Group */
+	u32	fpgaintfgrp_gbl;		/* 0x20 */
 	u32	fpgaintfgrp_indiv;
 	u32	fpgaintfgrp_module;
 	u32	_pad_0x2c_0x2f;
-	u32	scanmgrgrp_ctrl;
+	/* Scan Manager Group */
+	u32	scanmgrgrp_ctrl;		/* 0x30 */
 	u32	_pad_0x34_0x3f[3];
-	u32	frzctrl_vioctrl;
+	/* Freeze Control Group */
+	u32	frzctrl_vioctrl;		/* 0x40 */
 	u32	_pad_0x44_0x4f[3];
-	u32	frzctrl_hioctrl;
+	u32	frzctrl_hioctrl;		/* 0x50 */
 	u32	frzctrl_src;
 	u32	frzctrl_hwctrl;
 	u32	_pad_0x5c_0x5f;
-	u32	emacgrp_ctrl;
+	/* EMAC Group */
+	u32	emacgrp_ctrl;			/* 0x60 */
 	u32	emacgrp_l3master;
 	u32	_pad_0x68_0x6f[2];
-	u32	dmagrp_ctrl;
+	/* DMA Controller Group */
+	u32	dmagrp_ctrl;			/* 0x70 */
 	u32	dmagrp_persecurity;
 	u32	_pad_0x78_0x7f[2];
-	u32	iswgrp_handoff[8];
-	u32	_pad_0xa0_0xbf[8];
-	u32	romcodegrp_ctrl;
+	/* Preloader (initial software) Group */
+	u32	iswgrp_handoff[8];		/* 0x80 */
+	u32	_pad_0xa0_0xbf[8];		/* 0xa0 */
+	/* Boot ROM Code Register Group */
+	u32	romcodegrp_ctrl;		/* 0xc0 */
 	u32	romcodegrp_cpu1startaddr;
 	u32	romcodegrp_initswstate;
 	u32	romcodegrp_initswlastld;
-	u32	romcodegrp_bootromswstate;
+	u32	romcodegrp_bootromswstate;	/* 0xd0 */
 	u32	__pad_0xd4_0xdf[3];
-	u32	romcodegrp_warmramgrp_enable;
+	/* Warm Boot from On-Chip RAM Group */
+	u32	romcodegrp_warmramgrp_enable;	/* 0xe0 */
 	u32	romcodegrp_warmramgrp_datastart;
 	u32	romcodegrp_warmramgrp_length;
 	u32	romcodegrp_warmramgrp_execution;
-	u32	romcodegrp_warmramgrp_crc;
+	u32	romcodegrp_warmramgrp_crc;	/* 0xf0 */
 	u32	__pad_0xf4_0xff[3];
-	u32	romhwgrp_ctrl;
+	/* Boot ROM Hardware Register Group */
+	u32	romhwgrp_ctrl;			/* 0x100 */
 	u32	_pad_0x104_0x107;
+	/* SDMMC Controller Group */
 	u32	sdmmcgrp_ctrl;
 	u32	sdmmcgrp_l3master;
-	u32	nandgrp_bootstrap;
+	/* NAND Flash Controller Register Group */
+	u32	nandgrp_bootstrap;		/* 0x110 */
 	u32	nandgrp_l3master;
+	/* USB Controller Group */
 	u32	usbgrp_l3master;
 	u32	_pad_0x11c_0x13f[9];
-	u32	eccgrp_l2;
+	/* ECC Management Register Group */
+	u32	eccgrp_l2;			/* 0x140 */
 	u32	eccgrp_ocram;
 	u32	eccgrp_usb0;
 	u32	eccgrp_usb1;
-	u32	eccgrp_emac0;
+	u32	eccgrp_emac0;			/* 0x150 */
 	u32	eccgrp_emac1;
 	u32	eccgrp_dma;
 	u32	eccgrp_can0;
-	u32	eccgrp_can1;
+	u32	eccgrp_can1;			/* 0x160 */
 	u32	eccgrp_nand;
 	u32	eccgrp_qspi;
 	u32	eccgrp_sdmmc;
+	u32	_pad_0x170_0x3ff[164];
+	/* Pin Mux Control Group */
+	u32	emacio[20];			/* 0x400 */
+	u32	flashio[12];			/* 0x450 */
+	u32	generalio[28];			/* 0x480 */
+	u32	_pad_0x4f0_0x4ff[4];
+	u32	mixed1io[22];			/* 0x500 */
+	u32	mixed2io[8];			/* 0x558 */
+	u32	gplinmux[23];			/* 0x578 */
+	u32	gplmux[71];			/* 0x5d4 */
+	u32	nandusefpga;			/* 0x6f0 */
+	u32	_pad_0x6f4;
+	u32	rgmii1usefpga;			/* 0x6f8 */
+	u32	_pad_0x6fc_0x700[2];
+	u32	i2c0usefpga;			/* 0x704 */
+	u32	sdmmcusefpga;			/* 0x708 */
+	u32	_pad_0x70c_0x710[2];
+	u32	rgmii0usefpga;			/* 0x714 */
+	u32	_pad_0x718_0x720[3];
+	u32	i2c3usefpga;			/* 0x724 */
+	u32	i2c2usefpga;			/* 0x728 */
+	u32	i2c1usefpga;			/* 0x72c */
+	u32	spim1usefpga;			/* 0x730 */
+	u32	_pad_0x734;
+	u32	spim0usefpga;			/* 0x738 */
 };
 
+#define SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGPINMUX	(1 << 0)
+#define SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGIO	(1 << 1)
+#define SYSMGR_ECC_OCRAM_EN	(1 << 0)
+#define SYSMGR_ECC_OCRAM_SERR	(1 << 3)
+#define SYSMGR_ECC_OCRAM_DERR	(1 << 4)
+#define SYSMGR_FPGAINTF_USEFPGA	0x1
+#define SYSMGR_FPGAINTF_SPIM0	(1 << 0)
+#define SYSMGR_FPGAINTF_SPIM1	(1 << 1)
+#define SYSMGR_FPGAINTF_EMAC0	(1 << 2)
+#define SYSMGR_FPGAINTF_EMAC1	(1 << 3)
+#define SYSMGR_FPGAINTF_NAND	(1 << 4)
+#define SYSMGR_FPGAINTF_SDMMC	(1 << 5)
+
+/* FIXME: This is questionable macro. */
+#define SYSMGR_SDMMC_CTRL_SET(smplsel, drvsel)	\
+	((((drvsel) << 0) & 0x7) | (((smplsel) << 3) & 0x38))
+
 #endif /* _SYSTEM_MANAGER_H_ */