diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
index cb90f7a..3d0c2b0 100644
--- a/drivers/atm/iphase.c
+++ b/drivers/atm/iphase.c
@@ -818,127 +818,152 @@
 
 }
 
-static void IaFrontEndIntr(IADEV *iadev) {
-  volatile IA_SUNI *suni;
-  volatile ia_mb25_t *mb25;
-  volatile suni_pm7345_t *suni_pm7345;
-
-  if(iadev->phy_type & FE_25MBIT_PHY) {
-     mb25 = (ia_mb25_t*)iadev->phy;
-     iadev->carrier_detect =  Boolean(mb25->mb25_intr_status & MB25_IS_GSB);
-  } else if (iadev->phy_type & FE_DS3_PHY) {
-     suni_pm7345 = (suni_pm7345_t *)iadev->phy;
-     /* clear FRMR interrupts */
-     (void) suni_pm7345->suni_ds3_frm_intr_stat; 
-     iadev->carrier_detect =  
-           Boolean(!(suni_pm7345->suni_ds3_frm_stat & SUNI_DS3_LOSV));
-  } else if (iadev->phy_type & FE_E3_PHY ) {
-     suni_pm7345 = (suni_pm7345_t *)iadev->phy;
-     (void) suni_pm7345->suni_e3_frm_maint_intr_ind;
-     iadev->carrier_detect =
-           Boolean(!(suni_pm7345->suni_e3_frm_fram_intr_ind_stat&SUNI_E3_LOS));
-  }
-  else { 
-     suni = (IA_SUNI *)iadev->phy;
-     (void) suni->suni_rsop_status;
-     iadev->carrier_detect = Boolean(!(suni->suni_rsop_status & SUNI_LOSV));
-  }
-  if (iadev->carrier_detect)
-    printk("IA: SUNI carrier detected\n");
-  else
-    printk("IA: SUNI carrier lost signal\n"); 
-  return;
+static u32 ia_phy_read32(struct iadev_priv *ia, unsigned int reg)
+{
+	return readl(ia->phy + (reg >> 2));
 }
 
-static void ia_mb25_init (IADEV *iadev)
+static void ia_phy_write32(struct iadev_priv *ia, unsigned int reg, u32 val)
 {
-   volatile ia_mb25_t  *mb25 = (ia_mb25_t*)iadev->phy;
+	writel(val, ia->phy + (reg >> 2));
+}
+
+static void ia_frontend_intr(struct iadev_priv *iadev)
+{
+	u32 status;
+
+	if (iadev->phy_type & FE_25MBIT_PHY) {
+		status = ia_phy_read32(iadev, MB25_INTR_STATUS);
+		iadev->carrier_detect = (status & MB25_IS_GSB) ? 1 : 0;
+	} else if (iadev->phy_type & FE_DS3_PHY) {
+		ia_phy_read32(iadev, SUNI_DS3_FRM_INTR_STAT);
+		status = ia_phy_read32(iadev, SUNI_DS3_FRM_STAT);
+		iadev->carrier_detect = (status & SUNI_DS3_LOSV) ? 0 : 1;
+	} else if (iadev->phy_type & FE_E3_PHY) {
+		ia_phy_read32(iadev, SUNI_E3_FRM_MAINT_INTR_IND);
+		status = ia_phy_read32(iadev, SUNI_E3_FRM_FRAM_INTR_IND_STAT);
+		iadev->carrier_detect = (status & SUNI_E3_LOS) ? 0 : 1;
+	} else {
+		status = ia_phy_read32(iadev, SUNI_RSOP_STATUS);
+		iadev->carrier_detect = (status & SUNI_LOSV) ? 0 : 1;
+	}
+
+	printk(KERN_INFO "IA: SUNI carrier %s\n",
+		iadev->carrier_detect ? "detected" : "lost signal");
+}
+
+static void ia_mb25_init(struct iadev_priv *iadev)
+{
 #if 0
    mb25->mb25_master_ctrl = MB25_MC_DRIC | MB25_MC_DREC | MB25_MC_ENABLED;
 #endif
-   mb25->mb25_master_ctrl = MB25_MC_DRIC | MB25_MC_DREC;
-   mb25->mb25_diag_control = 0;
-   /*
-    * Initialize carrier detect state
-    */
-   iadev->carrier_detect =  Boolean(mb25->mb25_intr_status & MB25_IS_GSB);
-   return;
-}                   
+	ia_phy_write32(iadev, MB25_MASTER_CTRL, MB25_MC_DRIC | MB25_MC_DREC);
+	ia_phy_write32(iadev, MB25_DIAG_CONTROL, 0);
 
-static void ia_suni_pm7345_init (IADEV *iadev)
+	iadev->carrier_detect =
+		(ia_phy_read32(iadev, MB25_INTR_STATUS) & MB25_IS_GSB) ? 1 : 0;
+}
+
+struct ia_reg {
+	u16 reg;
+	u16 val;
+};
+
+static void ia_phy_write(struct iadev_priv *iadev,
+			 const struct ia_reg *regs, int len)
 {
-   volatile suni_pm7345_t *suni_pm7345 = (suni_pm7345_t *)iadev->phy;
-   if (iadev->phy_type & FE_DS3_PHY)
-   {
-      iadev->carrier_detect = 
-          Boolean(!(suni_pm7345->suni_ds3_frm_stat & SUNI_DS3_LOSV)); 
-      suni_pm7345->suni_ds3_frm_intr_enbl = 0x17;
-      suni_pm7345->suni_ds3_frm_cfg = 1;
-      suni_pm7345->suni_ds3_tran_cfg = 1;
-      suni_pm7345->suni_config = 0;
-      suni_pm7345->suni_splr_cfg = 0;
-      suni_pm7345->suni_splt_cfg = 0;
-   }
-   else 
-   {
-      iadev->carrier_detect = 
-          Boolean(!(suni_pm7345->suni_e3_frm_fram_intr_ind_stat & SUNI_E3_LOS));
-      suni_pm7345->suni_e3_frm_fram_options = 0x4;
-      suni_pm7345->suni_e3_frm_maint_options = 0x20;
-      suni_pm7345->suni_e3_frm_fram_intr_enbl = 0x1d;
-      suni_pm7345->suni_e3_frm_maint_intr_enbl = 0x30;
-      suni_pm7345->suni_e3_tran_stat_diag_options = 0x0;
-      suni_pm7345->suni_e3_tran_fram_options = 0x1;
-      suni_pm7345->suni_config = SUNI_PM7345_E3ENBL;
-      suni_pm7345->suni_splr_cfg = 0x41;
-      suni_pm7345->suni_splt_cfg = 0x41;
-   } 
-   /*
-    * Enable RSOP loss of signal interrupt.
-    */
-   suni_pm7345->suni_intr_enbl = 0x28;
- 
-   /*
-    * Clear error counters
-    */
-   suni_pm7345->suni_id_reset = 0;
+	while (len--) {
+		ia_phy_write32(iadev, regs->reg, regs->val);
+		regs++;
+	}
+}
 
-   /*
-    * Clear "PMCTST" in master test register.
-    */
-   suni_pm7345->suni_master_test = 0;
+static void ia_suni_pm7345_init_ds3(struct iadev_priv *iadev)
+{
+	static const struct ia_reg suni_ds3_init [] = {
+		{ SUNI_DS3_FRM_INTR_ENBL,	0x17 },
+		{ SUNI_DS3_FRM_CFG,		0x01 },
+		{ SUNI_DS3_TRAN_CFG,		0x01 },
+		{ SUNI_CONFIG,			0 },
+		{ SUNI_SPLR_CFG,		0 },
+		{ SUNI_SPLT_CFG,		0 }
+	};
+	u32 status;
 
-   suni_pm7345->suni_rxcp_ctrl = 0x2c;
-   suni_pm7345->suni_rxcp_fctrl = 0x81;
- 
-   suni_pm7345->suni_rxcp_idle_pat_h1 =
-   	suni_pm7345->suni_rxcp_idle_pat_h2 =
-   	suni_pm7345->suni_rxcp_idle_pat_h3 = 0;
-   suni_pm7345->suni_rxcp_idle_pat_h4 = 1;
- 
-   suni_pm7345->suni_rxcp_idle_mask_h1 = 0xff;
-   suni_pm7345->suni_rxcp_idle_mask_h2 = 0xff;
-   suni_pm7345->suni_rxcp_idle_mask_h3 = 0xff;
-   suni_pm7345->suni_rxcp_idle_mask_h4 = 0xfe;
- 
-   suni_pm7345->suni_rxcp_cell_pat_h1 =
-   	suni_pm7345->suni_rxcp_cell_pat_h2 =
-   	suni_pm7345->suni_rxcp_cell_pat_h3 = 0;
-   suni_pm7345->suni_rxcp_cell_pat_h4 = 1;
- 
-   suni_pm7345->suni_rxcp_cell_mask_h1 =
-   	suni_pm7345->suni_rxcp_cell_mask_h2 =
-   	suni_pm7345->suni_rxcp_cell_mask_h3 =
-   	suni_pm7345->suni_rxcp_cell_mask_h4 = 0xff;
- 
-   suni_pm7345->suni_txcp_ctrl = 0xa4;
-   suni_pm7345->suni_txcp_intr_en_sts = 0x10;
-   suni_pm7345->suni_txcp_idle_pat_h5 = 0x55;
- 
-   suni_pm7345->suni_config &= ~(SUNI_PM7345_LLB |
-                                 SUNI_PM7345_CLB |
-                                 SUNI_PM7345_DLB |
-                                  SUNI_PM7345_PLB);
+	status = ia_phy_read32(iadev, SUNI_DS3_FRM_STAT);
+	iadev->carrier_detect = (status & SUNI_DS3_LOSV) ? 0 : 1;
+
+	ia_phy_write(iadev, suni_ds3_init, ARRAY_SIZE(suni_ds3_init));
+}
+
+static void ia_suni_pm7345_init_e3(struct iadev_priv *iadev)
+{
+	static const struct ia_reg suni_e3_init [] = {
+		{ SUNI_E3_FRM_FRAM_OPTIONS,		0x04 },
+		{ SUNI_E3_FRM_MAINT_OPTIONS,		0x20 },
+		{ SUNI_E3_FRM_FRAM_INTR_ENBL,		0x1d },
+		{ SUNI_E3_FRM_MAINT_INTR_ENBL,		0x30 },
+		{ SUNI_E3_TRAN_STAT_DIAG_OPTIONS,	0 },
+		{ SUNI_E3_TRAN_FRAM_OPTIONS,		0x01 },
+		{ SUNI_CONFIG,				SUNI_PM7345_E3ENBL },
+		{ SUNI_SPLR_CFG,			0x41 },
+		{ SUNI_SPLT_CFG,			0x41 }
+	};
+	u32 status;
+
+	status = ia_phy_read32(iadev, SUNI_E3_FRM_FRAM_INTR_IND_STAT);
+	iadev->carrier_detect = (status & SUNI_E3_LOS) ? 0 : 1;
+	ia_phy_write(iadev, suni_e3_init, ARRAY_SIZE(suni_e3_init));
+}
+
+static void ia_suni_pm7345_init(struct iadev_priv *iadev)
+{
+	static const struct ia_reg suni_init [] = {
+		/* Enable RSOP loss of signal interrupt. */
+		{ SUNI_INTR_ENBL,		0x28 },
+		/* Clear error counters. */
+		{ SUNI_ID_RESET,		0 },
+		/* Clear "PMCTST" in master test register. */
+		{ SUNI_MASTER_TEST,		0 },
+
+		{ SUNI_RXCP_CTRL,		0x2c },
+		{ SUNI_RXCP_FCTRL,		0x81 },
+
+		{ SUNI_RXCP_IDLE_PAT_H1,	0 },
+		{ SUNI_RXCP_IDLE_PAT_H2,	0 },
+		{ SUNI_RXCP_IDLE_PAT_H3,	0 },
+		{ SUNI_RXCP_IDLE_PAT_H4,	0x01 },
+
+		{ SUNI_RXCP_IDLE_MASK_H1,	0xff },
+		{ SUNI_RXCP_IDLE_MASK_H2,	0xff },
+		{ SUNI_RXCP_IDLE_MASK_H3,	0xff },
+		{ SUNI_RXCP_IDLE_MASK_H4,	0xfe },
+
+		{ SUNI_RXCP_CELL_PAT_H1,	0 },
+		{ SUNI_RXCP_CELL_PAT_H2,	0 },
+		{ SUNI_RXCP_CELL_PAT_H3,	0 },
+		{ SUNI_RXCP_CELL_PAT_H4,	0x01 },
+
+		{ SUNI_RXCP_CELL_MASK_H1,	0xff },
+		{ SUNI_RXCP_CELL_MASK_H2,	0xff },
+		{ SUNI_RXCP_CELL_MASK_H3,	0xff },
+		{ SUNI_RXCP_CELL_MASK_H4,	0xff },
+
+		{ SUNI_TXCP_CTRL,		0xa4 },
+		{ SUNI_TXCP_INTR_EN_STS,	0x10 },
+		{ SUNI_TXCP_IDLE_PAT_H5,	0x55 }
+	};
+
+	if (iadev->phy_type & FE_DS3_PHY)
+		ia_suni_pm7345_init_ds3(iadev);
+	else
+		ia_suni_pm7345_init_e3(iadev);
+
+	ia_phy_write(iadev, suni_init, ARRAY_SIZE(suni_init));
+
+	ia_phy_write32(iadev, SUNI_CONFIG, ia_phy_read32(iadev, SUNI_CONFIG) &
+		~(SUNI_PM7345_LLB | SUNI_PM7345_CLB |
+		  SUNI_PM7345_DLB | SUNI_PM7345_PLB));
 #ifdef __SNMP__
    suni_pm7345->suni_rxcp_intr_en_sts |= SUNI_OOCDE;
 #endif /* __SNMP__ */
@@ -1425,10 +1450,10 @@
 	       iadev->dma + IPHASE5575_RX_LIST_ADDR);  
 	IF_INIT(printk("Tx Dle list addr: 0x%p value: 0x%0x\n",
                       iadev->dma+IPHASE5575_TX_LIST_ADDR,
-                      *(u32*)(iadev->dma+IPHASE5575_TX_LIST_ADDR));  
+                      readl(iadev->dma + IPHASE5575_TX_LIST_ADDR));
 	printk("Rx Dle list addr: 0x%p value: 0x%0x\n",
                       iadev->dma+IPHASE5575_RX_LIST_ADDR,
-                      *(u32*)(iadev->dma+IPHASE5575_RX_LIST_ADDR));)  
+                      readl(iadev->dma + IPHASE5575_RX_LIST_ADDR));)
   
 	writew(0xffff, iadev->reass_reg+REASS_MASK_REG);  
 	writew(0, iadev->reass_reg+MODE_REG);  
@@ -2208,7 +2233,7 @@
 	if (status & STAT_DLERINT)  
 	{  
 	   /* Clear this bit by writing a 1 to it. */  
-	   *(u_int *)(iadev->reg+IPHASE5575_BUS_STATUS_REG) = STAT_DLERINT;
+	   writel(STAT_DLERINT, iadev->reg + IPHASE5575_BUS_STATUS_REG);
 	   rx_dle_intr(dev);  
 	}  
 	if (status & STAT_SEGINT)  
@@ -2219,13 +2244,13 @@
 	}  
 	if (status & STAT_DLETINT)  
 	{  
-	   *(u_int *)(iadev->reg+IPHASE5575_BUS_STATUS_REG) = STAT_DLETINT;  
+	   writel(STAT_DLETINT, iadev->reg + IPHASE5575_BUS_STATUS_REG);
 	   tx_dle_intr(dev);  
 	}  
 	if (status & (STAT_FEINT | STAT_ERRINT | STAT_MARKINT))  
 	{  
            if (status & STAT_FEINT) 
-               IaFrontEndIntr(iadev);
+               ia_frontend_intr(iadev);
 	}  
    }
    return IRQ_RETVAL(handled);
@@ -2556,7 +2581,7 @@
 				goto err_free_rx;
 		}
 		/* Get iadev->carrier_detect status */
-		IaFrontEndIntr(iadev);
+		ia_frontend_intr(iadev);
 	}
 	return 0;
 
@@ -2827,7 +2852,7 @@
 
          case 0xb:
 	    if (!capable(CAP_NET_ADMIN)) return -EPERM;
-            IaFrontEndIntr(iadev);
+            ia_frontend_intr(iadev);
             break;
          case 0xa:
 	    if (!capable(CAP_NET_ADMIN)) return -EPERM;
diff --git a/drivers/atm/iphase.h b/drivers/atm/iphase.h
index 077735e..6a0955e 100644
--- a/drivers/atm/iphase.h
+++ b/drivers/atm/iphase.h
@@ -889,79 +889,71 @@
 } IARTN_Q;
 
 #define SUNI_LOSV   	0x04
-typedef struct {
-        u32   suni_master_reset;      /* SUNI Master Reset and Identity     */
-        u32   suni_master_config;     /* SUNI Master Configuration          */
-        u32   suni_master_intr_stat;  /* SUNI Master Interrupt Status       */
-        u32   suni_reserved1;         /* Reserved                           */
-        u32   suni_master_clk_monitor;/* SUNI Master Clock Monitor          */
-        u32   suni_master_control;    /* SUNI Master Clock Monitor          */
-        u32   suni_reserved2[10];     /* Reserved                           */
+enum ia_suni {
+	SUNI_MASTER_RESET	= 0x000, /* SUNI Master Reset and Identity   */
+	SUNI_MASTER_CONFIG	= 0x004, /* SUNI Master Configuration        */
+	SUNI_MASTER_INTR_STAT	= 0x008, /* SUNI Master Interrupt Status     */
+	SUNI_RESERVED1		= 0x00c, /* Reserved                         */
+	SUNI_MASTER_CLK_MONITOR	= 0x010, /* SUNI Master Clock Monitor        */
+	SUNI_MASTER_CONTROL	= 0x014, /* SUNI Master Clock Monitor        */
+					 /* Reserved (10)                    */
+	SUNI_RSOP_CONTROL	= 0x040, /* RSOP Control/Interrupt Enable    */
+	SUNI_RSOP_STATUS	= 0x044, /* RSOP Status/Interrupt States     */
+	SUNI_RSOP_SECTION_BIP8L	= 0x048, /* RSOP Section BIP-8 LSB           */
+	SUNI_RSOP_SECTION_BIP8M	= 0x04c, /* RSOP Section BIP-8 MSB           */
 
-        u32   suni_rsop_control;      /* RSOP Control/Interrupt Enable      */
-        u32   suni_rsop_status;       /* RSOP Status/Interrupt States       */
-        u32   suni_rsop_section_bip8l;/* RSOP Section BIP-8 LSB             */
-        u32   suni_rsop_section_bip8m;/* RSOP Section BIP-8 MSB             */
+	SUNI_TSOP_CONTROL	= 0x050, /* TSOP Control                     */
+	SUNI_TSOP_DIAG		= 0x054, /* TSOP Disgnostics                 */
+					 /* Reserved (2)                     */
+	SUNI_RLOP_CS		= 0x060, /* RLOP Control/Status              */
+	SUNI_RLOP_INTR		= 0x064, /* RLOP Interrupt Enable/Status     */
+	SUNI_RLOP_LINE_BIP24L	= 0x068, /* RLOP Line BIP-24 LSB             */
+	SUNI_RLOP_LINE_BIP24	= 0x06c, /* RLOP Line BIP-24                 */
+	SUNI_RLOP_LINE_BIP24M	= 0x070, /* RLOP Line BIP-24 MSB             */
+	SUNI_RLOP_LINE_FEBEL	= 0x074, /* RLOP Line FEBE LSB               */
+	SUNI_RLOP_LINE_FEBE	= 0x078, /* RLOP Line FEBE                   */
+	SUNI_RLOP_LINE_FEBEM	= 0x07c, /* RLOP Line FEBE MSB               */
 
-        u32   suni_tsop_control;      /* TSOP Control                       */
-        u32   suni_tsop_diag;         /* TSOP Disgnostics                   */
-        u32   suni_tsop_reserved[2];  /* TSOP Reserved                      */
-
-        u32   suni_rlop_cs;           /* RLOP Control/Status                */
-        u32   suni_rlop_intr;         /* RLOP Interrupt Enable/Status       */
-        u32   suni_rlop_line_bip24l;  /* RLOP Line BIP-24 LSB               */
-        u32   suni_rlop_line_bip24;   /* RLOP Line BIP-24                   */
-        u32   suni_rlop_line_bip24m;  /* RLOP Line BIP-24 MSB               */
-        u32   suni_rlop_line_febel;   /* RLOP Line FEBE LSB                 */
-        u32   suni_rlop_line_febe;    /* RLOP Line FEBE                     */
-        u32   suni_rlop_line_febem;   /* RLOP Line FEBE MSB                 */
-
-        u32   suni_tlop_control;      /* TLOP Control                       */
-        u32   suni_tlop_disg;         /* TLOP Disgnostics                   */
-        u32   suni_tlop_reserved[14]; /* TLOP Reserved                      */
-
-        u32   suni_rpop_cs;           /* RPOP Status/Control                */
-        u32   suni_rpop_intr;         /* RPOP Interrupt/Status              */
-        u32   suni_rpop_reserved;     /* RPOP Reserved                      */
-        u32   suni_rpop_intr_ena;     /* RPOP Interrupt Enable              */
-        u32   suni_rpop_reserved1[3]; /* RPOP Reserved                      */
-        u32   suni_rpop_path_sig;     /* RPOP Path Signal Label             */
-        u32   suni_rpop_bip8l;        /* RPOP Path BIP-8 LSB                */
-        u32   suni_rpop_bip8m;        /* RPOP Path BIP-8 MSB                */
-        u32   suni_rpop_febel;        /* RPOP Path FEBE LSB                 */
-        u32   suni_rpop_febem;        /* RPOP Path FEBE MSB                 */
-        u32   suni_rpop_reserved2[4]; /* RPOP Reserved                      */
-
-        u32   suni_tpop_cntrl_daig;   /* TPOP Control/Disgnostics           */
-        u32   suni_tpop_pointer_ctrl; /* TPOP Pointer Control               */
-        u32   suni_tpop_sourcer_ctrl; /* TPOP Source Control                */
-        u32   suni_tpop_reserved1[2]; /* TPOP Reserved                      */
-        u32   suni_tpop_arb_prtl;     /* TPOP Arbitrary Pointer LSB         */
-        u32   suni_tpop_arb_prtm;     /* TPOP Arbitrary Pointer MSB         */
-        u32   suni_tpop_reserved2;    /* TPOP Reserved                      */
-        u32   suni_tpop_path_sig;     /* TPOP Path Signal Lable             */
-        u32   suni_tpop_path_status;  /* TPOP Path Status                   */
-        u32   suni_tpop_reserved3[6]; /* TPOP Reserved                      */              
-
-        u32   suni_racp_cs;           /* RACP Control/Status                */
-        u32   suni_racp_intr;         /* RACP Interrupt Enable/Status       */
-        u32   suni_racp_hdr_pattern;  /* RACP Match Header Pattern          */
-        u32   suni_racp_hdr_mask;     /* RACP Match Header Mask             */
-        u32   suni_racp_corr_hcs;     /* RACP Correctable HCS Error Count   */
-        u32   suni_racp_uncorr_hcs;   /* RACP Uncorrectable HCS Error Count */
-        u32   suni_racp_reserved[10]; /* RACP Reserved                      */
-
-        u32   suni_tacp_control;      /* TACP Control                       */
-        u32   suni_tacp_idle_hdr_pat; /* TACP Idle Cell Header Pattern      */
-        u32   suni_tacp_idle_pay_pay; /* TACP Idle Cell Payld Octet Pattern */
-        u32   suni_tacp_reserved[5];  /* TACP Reserved                      */
-
-        u32   suni_reserved3[24];     /* Reserved                           */
-
-        u32   suni_master_test;       /* SUNI Master Test                   */
-        u32   suni_reserved_test;     /* SUNI Reserved for Test             */
-} IA_SUNI;
-
+	SUNI_TLOP_CONTROL	= 0x080, /* TLOP Control                     */
+	SUNI_TLOP_DISG		= 0x084, /* TLOP Disgnostics                 */
+					 /* Reserved (14)                    */
+	SUNI_RPOP_CS		= 0x0c0, /* RPOP Status/Control              */
+	SUNI_RPOP_INTR		= 0x0c4, /* RPOP Interrupt/Status            */
+	SUNI_RPOP_RESERVED	= 0x0c8, /* RPOP Reserved                    */
+	SUNI_RPOP_INTR_ENA	= 0x0cc, /* RPOP Interrupt Enable            */
+					 /* Reserved (3)                     */
+	SUNI_RPOP_PATH_SIG	= 0x0dc, /* RPOP Path Signal Label           */
+	SUNI_RPOP_BIP8L		= 0x0e0, /* RPOP Path BIP-8 LSB              */
+	SUNI_RPOP_BIP8M		= 0x0e4, /* RPOP Path BIP-8 MSB              */
+	SUNI_RPOP_FEBEL		= 0x0e8, /* RPOP Path FEBE LSB               */
+	SUNI_RPOP_FEBEM		= 0x0ec, /* RPOP Path FEBE MSB               */
+					 /* Reserved (4)                     */
+	SUNI_TPOP_CNTRL_DAIG	= 0x100, /* TPOP Control/Disgnostics         */
+	SUNI_TPOP_POINTER_CTRL	= 0x104, /* TPOP Pointer Control             */
+	SUNI_TPOP_SOURCER_CTRL	= 0x108, /* TPOP Source Control              */
+					 /* Reserved (2)                     */
+	SUNI_TPOP_ARB_PRTL	= 0x114, /* TPOP Arbitrary Pointer LSB       */
+	SUNI_TPOP_ARB_PRTM	= 0x118, /* TPOP Arbitrary Pointer MSB       */
+	SUNI_TPOP_RESERVED2	= 0x11c, /* TPOP Reserved                    */
+	SUNI_TPOP_PATH_SIG	= 0x120, /* TPOP Path Signal Lable           */
+	SUNI_TPOP_PATH_STATUS	= 0x124, /* TPOP Path Status                 */
+					 /* Reserved (6)                     */
+	SUNI_RACP_CS		= 0x140, /* RACP Control/Status              */
+	SUNI_RACP_INTR		= 0x144, /* RACP Interrupt Enable/Status     */
+	SUNI_RACP_HDR_PATTERN	= 0x148, /* RACP Match Header Pattern        */
+	SUNI_RACP_HDR_MASK	= 0x14c, /* RACP Match Header Mask           */
+	SUNI_RACP_CORR_HCS	= 0x150, /* RACP Correctable HCS Error Count */
+	SUNI_RACP_UNCORR_HCS	= 0x154, /* RACP Uncorrectable HCS Err Count */
+					 /* Reserved (10)                    */
+	SUNI_TACP_CONTROL	= 0x180, /* TACP Control                     */
+	SUNI_TACP_IDLE_HDR_PAT	= 0x184, /* TACP Idle Cell Header Pattern    */
+	SUNI_TACP_IDLE_PAY_PAY	= 0x188, /* TACP Idle Cell Payld Octet Patrn */
+					 /* Reserved (5)                     */
+					 /* Reserved (24)                    */
+	/* FIXME: unused but name conflicts.
+	 * SUNI_MASTER_TEST	= 0x200,    SUNI Master Test                 */
+	SUNI_RESERVED_TEST	= 0x204  /* SUNI Reserved for Test           */
+};
 
 typedef struct _SUNI_STATS_
 {
@@ -993,13 +985,11 @@
    u32 racp_uchcs_count;            // uncorrectable HCS error count
 } IA_SUNI_STATS; 
 
-typedef struct iadev_t {  
+typedef struct iadev_priv {
 	/*-----base pointers into (i)chipSAR+ address space */   
-	u32 __iomem *phy;		/* base pointer into phy(SUNI) */  
-	u32 __iomem *dma;		/* base pointer into DMA control   
-						registers */  
-	u32 __iomem *reg;		/* base pointer to SAR registers  
-					   - Bus Interface Control Regs */  
+	u32 __iomem *phy;	/* Base pointer into phy (SUNI). */
+	u32 __iomem *dma;	/* Base pointer into DMA control registers. */
+	u32 __iomem *reg;	/* Base pointer to SAR registers. */
 	u32 __iomem *seg_reg;		/* base pointer to segmentation engine  
 						internal registers */  
 	u32 __iomem *reass_reg;		/* base pointer to reassemble engine  
@@ -1071,14 +1061,14 @@
 #define INPH_IA_VCC(v) ((struct ia_vcc *) (v)->dev_data)  
 
 /******************* IDT77105 25MB/s PHY DEFINE *****************************/
-typedef struct {
-	u_int	mb25_master_ctrl;	/* Master control		     */
-	u_int	mb25_intr_status;	/* Interrupt status		     */
-	u_int	mb25_diag_control;	/* Diagnostic control		     */
-	u_int	mb25_led_hec;		/* LED driver and HEC status/control */
-	u_int	mb25_low_byte_counter;	/* Low byte counter		     */
-	u_int	mb25_high_byte_counter;	/* High byte counter		     */
-} ia_mb25_t;
+enum ia_mb25 {
+	MB25_MASTER_CTRL	= 0x00, /* Master control		     */
+	MB25_INTR_STATUS	= 0x04,	/* Interrupt status		     */
+	MB25_DIAG_CONTROL	= 0x08,	/* Diagnostic control		     */
+	MB25_LED_HEC		= 0x0c,	/* LED driver and HEC status/control */
+	MB25_LOW_BYTE_COUNTER	= 0x10,
+	MB25_HIGH_BYTE_COUNTER	= 0x14
+};
 
 /*
  * Master Control
@@ -1127,122 +1117,121 @@
 #define FE_E3_PHY       0x0090          /* E3 */
 		     
 /*********************** SUNI_PM7345 PHY DEFINE HERE *********************/
-typedef struct _suni_pm7345_t
-{
-    u_int suni_config;     /* SUNI Configuration */
-    u_int suni_intr_enbl;  /* SUNI Interrupt Enable */
-    u_int suni_intr_stat;  /* SUNI Interrupt Status */
-    u_int suni_control;    /* SUNI Control */
-    u_int suni_id_reset;   /* SUNI Reset and Identity */
-    u_int suni_data_link_ctrl;
-    u_int suni_rboc_conf_intr_enbl;
-    u_int suni_rboc_stat;
-    u_int suni_ds3_frm_cfg;
-    u_int suni_ds3_frm_intr_enbl;
-    u_int suni_ds3_frm_intr_stat;
-    u_int suni_ds3_frm_stat;
-    u_int suni_rfdl_cfg;
-    u_int suni_rfdl_enbl_stat;
-    u_int suni_rfdl_stat;
-    u_int suni_rfdl_data;
-    u_int suni_pmon_chng;
-    u_int suni_pmon_intr_enbl_stat;
-    u_int suni_reserved1[0x13-0x11];
-    u_int suni_pmon_lcv_evt_cnt_lsb;
-    u_int suni_pmon_lcv_evt_cnt_msb;
-    u_int suni_pmon_fbe_evt_cnt_lsb;
-    u_int suni_pmon_fbe_evt_cnt_msb;
-    u_int suni_pmon_sez_det_cnt_lsb;
-    u_int suni_pmon_sez_det_cnt_msb;
-    u_int suni_pmon_pe_evt_cnt_lsb;
-    u_int suni_pmon_pe_evt_cnt_msb;
-    u_int suni_pmon_ppe_evt_cnt_lsb;
-    u_int suni_pmon_ppe_evt_cnt_msb;
-    u_int suni_pmon_febe_evt_cnt_lsb;
-    u_int suni_pmon_febe_evt_cnt_msb;
-    u_int suni_ds3_tran_cfg;
-    u_int suni_ds3_tran_diag;
-    u_int suni_reserved2[0x23-0x21];
-    u_int suni_xfdl_cfg;
-    u_int suni_xfdl_intr_st;
-    u_int suni_xfdl_xmit_data;
-    u_int suni_xboc_code;
-    u_int suni_splr_cfg;
-    u_int suni_splr_intr_en;
-    u_int suni_splr_intr_st;
-    u_int suni_splr_status;
-    u_int suni_splt_cfg;
-    u_int suni_splt_cntl;
-    u_int suni_splt_diag_g1;
-    u_int suni_splt_f1;
-    u_int suni_cppm_loc_meters;
-    u_int suni_cppm_chng_of_cppm_perf_meter;
-    u_int suni_cppm_b1_err_cnt_lsb;
-    u_int suni_cppm_b1_err_cnt_msb;
-    u_int suni_cppm_framing_err_cnt_lsb;
-    u_int suni_cppm_framing_err_cnt_msb;
-    u_int suni_cppm_febe_cnt_lsb;
-    u_int suni_cppm_febe_cnt_msb;
-    u_int suni_cppm_hcs_err_cnt_lsb;
-    u_int suni_cppm_hcs_err_cnt_msb;
-    u_int suni_cppm_idle_un_cell_cnt_lsb;
-    u_int suni_cppm_idle_un_cell_cnt_msb;
-    u_int suni_cppm_rcv_cell_cnt_lsb;
-    u_int suni_cppm_rcv_cell_cnt_msb;
-    u_int suni_cppm_xmit_cell_cnt_lsb;
-    u_int suni_cppm_xmit_cell_cnt_msb;
-    u_int suni_rxcp_ctrl;
-    u_int suni_rxcp_fctrl;
-    u_int suni_rxcp_intr_en_sts;
-    u_int suni_rxcp_idle_pat_h1;
-    u_int suni_rxcp_idle_pat_h2;
-    u_int suni_rxcp_idle_pat_h3;
-    u_int suni_rxcp_idle_pat_h4;
-    u_int suni_rxcp_idle_mask_h1;
-    u_int suni_rxcp_idle_mask_h2;
-    u_int suni_rxcp_idle_mask_h3;
-    u_int suni_rxcp_idle_mask_h4;
-    u_int suni_rxcp_cell_pat_h1;
-    u_int suni_rxcp_cell_pat_h2;
-    u_int suni_rxcp_cell_pat_h3;
-    u_int suni_rxcp_cell_pat_h4;
-    u_int suni_rxcp_cell_mask_h1;
-    u_int suni_rxcp_cell_mask_h2;
-    u_int suni_rxcp_cell_mask_h3;
-    u_int suni_rxcp_cell_mask_h4;
-    u_int suni_rxcp_hcs_cs;
-    u_int suni_rxcp_lcd_cnt_threshold;
-    u_int suni_reserved3[0x57-0x54];
-    u_int suni_txcp_ctrl;
-    u_int suni_txcp_intr_en_sts;
-    u_int suni_txcp_idle_pat_h1;
-    u_int suni_txcp_idle_pat_h2;
-    u_int suni_txcp_idle_pat_h3;
-    u_int suni_txcp_idle_pat_h4;
-    u_int suni_txcp_idle_pat_h5;
-    u_int suni_txcp_idle_payload;
-    u_int suni_e3_frm_fram_options;
-    u_int suni_e3_frm_maint_options;
-    u_int suni_e3_frm_fram_intr_enbl;
-    u_int suni_e3_frm_fram_intr_ind_stat;
-    u_int suni_e3_frm_maint_intr_enbl;
-    u_int suni_e3_frm_maint_intr_ind;
-    u_int suni_e3_frm_maint_stat;
-    u_int suni_reserved4;
-    u_int suni_e3_tran_fram_options;
-    u_int suni_e3_tran_stat_diag_options;
-    u_int suni_e3_tran_bip_8_err_mask;
-    u_int suni_e3_tran_maint_adapt_options;
-    u_int suni_ttb_ctrl;
-    u_int suni_ttb_trail_trace_id_stat;
-    u_int suni_ttb_ind_addr;
-    u_int suni_ttb_ind_data;
-    u_int suni_ttb_exp_payload_type;
-    u_int suni_ttb_payload_type_ctrl_stat;
-    u_int suni_pad5[0x7f-0x71];
-    u_int suni_master_test;
-    u_int suni_pad6[0xff-0x80];
-}suni_pm7345_t;
+enum suni_pm7345 {
+	SUNI_CONFIG			= 0x000, /* SUNI Configuration */
+	SUNI_INTR_ENBL			= 0x004, /* SUNI Interrupt Enable */
+	SUNI_INTR_STAT			= 0x008, /* SUNI Interrupt Status */
+	SUNI_CONTROL			= 0x00c, /* SUNI Control */
+	SUNI_ID_RESET			= 0x010, /* SUNI Reset and Identity */
+	SUNI_DATA_LINK_CTRL		= 0x014,
+	SUNI_RBOC_CONF_INTR_ENBL	= 0x018,
+	SUNI_RBOC_STAT			= 0x01c,
+	SUNI_DS3_FRM_CFG		= 0x020,
+	SUNI_DS3_FRM_INTR_ENBL		= 0x024,
+	SUNI_DS3_FRM_INTR_STAT		= 0x028,
+	SUNI_DS3_FRM_STAT		= 0x02c,
+	SUNI_RFDL_CFG			= 0x030,
+	SUNI_RFDL_ENBL_STAT		= 0x034,
+	SUNI_RFDL_STAT			= 0x038,
+	SUNI_RFDL_DATA			= 0x03c,
+	SUNI_PMON_CHNG			= 0x040,
+	SUNI_PMON_INTR_ENBL_STAT	= 0x044,
+	/* SUNI_RESERVED1 (0x13 - 0x11) */
+	SUNI_PMON_LCV_EVT_CNT_LSB	= 0x050,
+	SUNI_PMON_LCV_EVT_CNT_MSB	= 0x054,
+	SUNI_PMON_FBE_EVT_CNT_LSB	= 0x058,
+	SUNI_PMON_FBE_EVT_CNT_MSB	= 0x05c,
+	SUNI_PMON_SEZ_DET_CNT_LSB	= 0x060,
+	SUNI_PMON_SEZ_DET_CNT_MSB	= 0x064,
+	SUNI_PMON_PE_EVT_CNT_LSB	= 0x068,
+	SUNI_PMON_PE_EVT_CNT_MSB	= 0x06c,
+	SUNI_PMON_PPE_EVT_CNT_LSB	= 0x070,
+	SUNI_PMON_PPE_EVT_CNT_MSB	= 0x074,
+	SUNI_PMON_FEBE_EVT_CNT_LSB	= 0x078,
+	SUNI_PMON_FEBE_EVT_CNT_MSB	= 0x07c,
+	SUNI_DS3_TRAN_CFG		= 0x080,
+	SUNI_DS3_TRAN_DIAG		= 0x084,
+	/* SUNI_RESERVED2 (0x23 - 0x21) */
+	SUNI_XFDL_CFG			= 0x090,
+	SUNI_XFDL_INTR_ST		= 0x094,
+	SUNI_XFDL_XMIT_DATA		= 0x098,
+	SUNI_XBOC_CODE			= 0x09c,
+	SUNI_SPLR_CFG			= 0x0a0,
+	SUNI_SPLR_INTR_EN		= 0x0a4,
+	SUNI_SPLR_INTR_ST		= 0x0a8,
+	SUNI_SPLR_STATUS		= 0x0ac,
+	SUNI_SPLT_CFG			= 0x0b0,
+	SUNI_SPLT_CNTL			= 0x0b4,
+	SUNI_SPLT_DIAG_G1		= 0x0b8,
+	SUNI_SPLT_F1			= 0x0bc,
+	SUNI_CPPM_LOC_METERS		= 0x0c0,
+	SUNI_CPPM_CHG_OF_CPPM_PERF_METR	= 0x0c4,
+	SUNI_CPPM_B1_ERR_CNT_LSB	= 0x0c8,
+	SUNI_CPPM_B1_ERR_CNT_MSB	= 0x0cc,
+	SUNI_CPPM_FRAMING_ERR_CNT_LSB	= 0x0d0,
+	SUNI_CPPM_FRAMING_ERR_CNT_MSB	= 0x0d4,
+	SUNI_CPPM_FEBE_CNT_LSB		= 0x0d8,
+	SUNI_CPPM_FEBE_CNT_MSB		= 0x0dc,
+	SUNI_CPPM_HCS_ERR_CNT_LSB	= 0x0e0,
+	SUNI_CPPM_HCS_ERR_CNT_MSB	= 0x0e4,
+	SUNI_CPPM_IDLE_UN_CELL_CNT_LSB	= 0x0e8,
+	SUNI_CPPM_IDLE_UN_CELL_CNT_MSB	= 0x0ec,
+	SUNI_CPPM_RCV_CELL_CNT_LSB	= 0x0f0,
+	SUNI_CPPM_RCV_CELL_CNT_MSB	= 0x0f4,
+	SUNI_CPPM_XMIT_CELL_CNT_LSB	= 0x0f8,
+	SUNI_CPPM_XMIT_CELL_CNT_MSB	= 0x0fc,
+	SUNI_RXCP_CTRL			= 0x100,
+	SUNI_RXCP_FCTRL			= 0x104,
+	SUNI_RXCP_INTR_EN_STS		= 0x108,
+	SUNI_RXCP_IDLE_PAT_H1		= 0x10c,
+	SUNI_RXCP_IDLE_PAT_H2		= 0x110,
+	SUNI_RXCP_IDLE_PAT_H3		= 0x114,
+	SUNI_RXCP_IDLE_PAT_H4		= 0x118,
+	SUNI_RXCP_IDLE_MASK_H1		= 0x11c,
+	SUNI_RXCP_IDLE_MASK_H2		= 0x120,
+	SUNI_RXCP_IDLE_MASK_H3		= 0x124,
+	SUNI_RXCP_IDLE_MASK_H4		= 0x128,
+	SUNI_RXCP_CELL_PAT_H1		= 0x12c,
+	SUNI_RXCP_CELL_PAT_H2		= 0x130,
+	SUNI_RXCP_CELL_PAT_H3		= 0x134,
+	SUNI_RXCP_CELL_PAT_H4		= 0x138,
+	SUNI_RXCP_CELL_MASK_H1		= 0x13c,
+	SUNI_RXCP_CELL_MASK_H2		= 0x140,
+	SUNI_RXCP_CELL_MASK_H3		= 0x144,
+	SUNI_RXCP_CELL_MASK_H4		= 0x148,
+	SUNI_RXCP_HCS_CS		= 0x14c,
+	SUNI_RXCP_LCD_CNT_THRESHOLD	= 0x150,
+	/* SUNI_RESERVED3 (0x57 - 0x54) */
+	SUNI_TXCP_CTRL			= 0x160,
+	SUNI_TXCP_INTR_EN_STS		= 0x164,
+	SUNI_TXCP_IDLE_PAT_H1		= 0x168,
+	SUNI_TXCP_IDLE_PAT_H2		= 0x16c,
+	SUNI_TXCP_IDLE_PAT_H3		= 0x170,
+	SUNI_TXCP_IDLE_PAT_H4		= 0x174,
+	SUNI_TXCP_IDLE_PAT_H5		= 0x178,
+	SUNI_TXCP_IDLE_PAYLOAD		= 0x17c,
+	SUNI_E3_FRM_FRAM_OPTIONS	= 0x180,
+	SUNI_E3_FRM_MAINT_OPTIONS	= 0x184,
+	SUNI_E3_FRM_FRAM_INTR_ENBL	= 0x188,
+	SUNI_E3_FRM_FRAM_INTR_IND_STAT	= 0x18c,
+	SUNI_E3_FRM_MAINT_INTR_ENBL	= 0x190,
+	SUNI_E3_FRM_MAINT_INTR_IND	= 0x194,
+	SUNI_E3_FRM_MAINT_STAT		= 0x198,
+	SUNI_RESERVED4			= 0x19c,
+	SUNI_E3_TRAN_FRAM_OPTIONS	= 0x1a0,
+	SUNI_E3_TRAN_STAT_DIAG_OPTIONS	= 0x1a4,
+	SUNI_E3_TRAN_BIP_8_ERR_MASK	= 0x1a8,
+	SUNI_E3_TRAN_MAINT_ADAPT_OPTS	= 0x1ac,
+	SUNI_TTB_CTRL			= 0x1b0,
+	SUNI_TTB_TRAIL_TRACE_ID_STAT	= 0x1b4,
+	SUNI_TTB_IND_ADDR		= 0x1b8,
+	SUNI_TTB_IND_DATA		= 0x1bc,
+	SUNI_TTB_EXP_PAYLOAD_TYPE	= 0x1c0,
+	SUNI_TTB_PAYLOAD_TYPE_CTRL_STAT	= 0x1c4,
+	/* SUNI_PAD5 (0x7f - 0x71) */
+	SUNI_MASTER_TEST		= 0x200,
+	/* SUNI_PAD6 (0xff - 0x80) */
+};
 
 #define SUNI_PM7345_T suni_pm7345_t
 #define SUNI_PM7345     0x20            /* Suni chip type */