[PATCH] sn: kill big endian stuff

From: Pat Gefre <pfg@sgi.com>

kill big endian stuff

arch/ia64/sn/Makefile

@@ -9,6 +9,4 @@
 # Makefile for the sn ia64 subplatform
 #
 
-EXTRA_CFLAGS := -DLITTLE_ENDIAN
-
 obj-y += kernel/ io/

arch/ia64/sn/io/Makefile

@@ -9,7 +9,5 @@
 # Makefile for the sn io routines.
 #
 
-EXTRA_CFLAGS    := -DLITTLE_ENDIAN
-
 obj-y += sgi_if.o xswitch.o sgi_io_sim.o cdl.o \
 	 io.o machvec/ drivers/ platform_init/ sn2/ hwgfs/

arch/ia64/sn/io/drivers/Makefile

@@ -7,6 +7,4 @@
 #
 # Makefile for the sn2 io routines.
 
-EXTRA_CFLAGS    := -DLITTLE_ENDIAN
-
 obj-y				+= ioconfig_bus.o

arch/ia64/sn/io/hwgfs/Makefile

@@ -7,6 +7,4 @@
 #
 # Makefile for the sn2 io routines.
 
-EXTRA_CFLAGS    := -DLITTLE_ENDIAN
-
 obj-y		+= hcl.o labelcl.o hcl_util.o ramfs.o interface.o

arch/ia64/sn/io/machvec/Makefile

@@ -7,6 +7,4 @@
 #
 # Makefile for the sn2 io routines.
 
-EXTRA_CFLAGS    := -DLITTLE_ENDIAN
-
 obj-y				+= pci.o pci_dma.o pci_bus_cvlink.o iomv.o

arch/ia64/sn/io/platform_init/Makefile

@@ -7,6 +7,4 @@
 #
 # Makefile for the sn2 io routines.
 
-EXTRA_CFLAGS    := -DLITTLE_ENDIAN
-
 obj-y				+=  sgi_io_init.o irix_io_init.o

arch/ia64/sn/io/sn2/Makefile

@@ -9,8 +9,6 @@
 # Makefile for the sn2 specific io routines.
 #
 
-EXTRA_CFLAGS := -DLITTLE_ENDIAN
-
 obj-y += pcibr/ ml_SN_intr.o shub_intr.o shuberror.o shub.o bte_error.o \
 	 pic.o geo_op.o l1_command.o klconflib.o klgraph.o ml_SN_init.o \
 	 ml_iograph.o module.o pciio.o xbow.o xtalk.o shubio.o

arch/ia64/sn/io/sn2/pcibr/Makefile

@@ -9,7 +9,5 @@
 # Makefile for the sn2 specific pci bridge routines.
 #
 
-EXTRA_CFLAGS    := -DLITTLE_ENDIAN
-
 obj-y += pcibr_ate.o pcibr_config.o pcibr_dvr.o pcibr_hints.o pcibr_intr.o pcibr_rrb.o \
 	 pcibr_slot.o pcibr_error.o

arch/ia64/sn/kernel/Makefile

@@ -7,7 +7,5 @@
 # Copyright (C) 1999,2001-2003 Silicon Graphics, Inc.  All Rights Reserved.
 #
 
-EXTRA_CFLAGS := -DLITTLE_ENDIAN
-
 obj-y				+= probe.o setup.o bte.o irq.o mca.o idle.o sn2/
 obj-$(CONFIG_IA64_GENERIC)      += machvec.o

arch/ia64/sn/kernel/sn2/Makefile

@@ -9,7 +9,5 @@
 # sn2 specific kernel files
 #
 
-EXTRA_CFLAGS := -DLITTLE_ENDIAN
-
 obj-y += cache.o io.o ptc_deadlock.o sn2_smp.o sn_proc_fs.o \
 	 prominfo_proc.o timer.o

include/asm-ia64/sn/pci/pci_defs.h

@@ -321,8 +321,6 @@ extern void pci_write(void * address, int data, int type);
 
 #ifndef __ASSEMBLY__
 
-#ifdef LITTLE_ENDIAN
-
 /*
  * PCI config space definition
  */
@@ -425,111 +423,5 @@ typedef volatile struct cap_pcix_type0_s {
 	cap_pcix_stat_reg_t	pcix_type0_status;
 } cap_pcix_type0_t;
 
-#else
-
-/*
- * PCI config space definition
- */
-typedef volatile struct pci_cfg_s {
-	uint16_t	dev_id;
-	uint16_t	vendor_id;
-	uint16_t	status;
-	uint16_t	cmd;
-	uchar_t		class;
-	uchar_t		sub_class;
-	uchar_t		prog_if;
-	uchar_t		rev;
-	uchar_t		bist;
-	uchar_t		hdr_type;
-	uchar_t		lt;
-	uchar_t		line_size;
-	uint32_t	bar[6];
-	uint32_t	cardbus;
-	uint16_t	subsys_dev_id;
-	uint16_t	subsys_vendor_id;
-	uint32_t	exp_rom;
-	uint32_t	res[2];
-	uchar_t		max_lat;
-	uchar_t		min_gnt;
-	uchar_t		int_pin;
-	uchar_t		int_line;
-} pci_cfg_t;
-
-/*
- * PCI Type 1 config space definition for PCI to PCI Bridges (PPBs)
- */
-typedef volatile struct pci_cfg1_s {
-	uint16_t	dev_id;
-	uint16_t	vendor_id;
-	uint16_t	status;
-	uint16_t	cmd;
-	uchar_t		class;
-	uchar_t		sub_class;
-	uchar_t		prog_if;
-	uchar_t		rev;
-	uchar_t		bist;
-	uchar_t		hdr_type;
-	uchar_t		lt;
-	uchar_t		line_size;
-	uint32_t	bar[2];
-	uchar_t		slt;
-	uchar_t		sub_bus_num;
-	uchar_t		snd_bus_num;
-	uchar_t		pri_bus_num;
-	uint16_t	snd_status;
-	uchar_t		io_limit;
-	uchar_t		io_base;
-	uint16_t	mem_limit;
-	uint16_t	mem_base;
-	uint16_t	pmem_limit;
-	uint16_t	pmem_base;
-	uint32_t	pmem_limit_upper;
-	uint32_t	pmem_base_upper;
-	uint16_t	io_limit_upper;
-	uint16_t	io_base_upper;
-	uint32_t	res;
-	uint32_t	exp_rom;
-	uint16_t	ppb_control;
-	uchar_t		int_pin;
-	uchar_t		int_line;
-} pci_cfg1_t;
-
-
-
-/*
- * PCI-X Capability
- */
-typedef volatile struct cap_pcix_cmd_reg_s {
-	uint16_t	reserved1:              9,
-			max_split:		3,
-			max_mem_read_cnt:	2,
-			enable_relaxed_order:	1,
-			data_parity_enable:	1;
-} cap_pcix_cmd_reg_t;
-
-typedef volatile struct cap_pcix_stat_reg_s {
-	uint32_t	reserved1:		2,
-			split_complt_err:	1,
-			max_cum_read:		3,
-			max_out_split:		3,
-			max_mem_read_cnt:	2,
-			device_complex:		1,
-			unexpect_split_complt:	1,
-			split_complt_discard:	1,
-			mhz133_capable:		1,
-			bit64_device:		1,
-			bus_num:		8,
-			dev_num:		5,
-			func_num:		3;
-} cap_pcix_stat_reg_t;
-
-typedef volatile struct cap_pcix_type0_s {
-	cap_pcix_cmd_reg_t	pcix_type0_command;
-	uchar_t			pcix_cap_nxt;
-	uchar_t			pcix_cap_id;
-	cap_pcix_stat_reg_t	pcix_type0_status;
-} cap_pcix_type0_t;
-
-#endif
 #endif	/* __ASSEMBLY__ */
 #endif /* _ASM_SN_PCI_PCI_DEFS_H */

include/asm-ia64/sn/xtalk/xbow.h

@@ -64,7 +64,6 @@ typedef uint32_t      xbowreg_t;
 
 /* Register set for each xbow link */
 typedef volatile struct xb_linkregs_s {
-#ifdef LITTLE_ENDIAN
 /* 
  * we access these through synergy unswizzled space, so the address
  * gets twiddled (i.e. references to 0x4 actually go to 0x0 and vv.)
@@ -86,24 +85,6 @@ typedef volatile struct xb_linkregs_s {
     xbowreg_t               filler6;
     xbowreg_t               link_aux_status;
     xbowreg_t               filler7;
-#else
-    xbowreg_t               filler0;	/* filler for proper alignment */
-    xbowreg_t               link_ibf;
-    xbowreg_t               filler1;
-    xbowreg_t               link_control;
-    xbowreg_t               filler2;
-    xbowreg_t               link_status;
-    xbowreg_t               filler3;
-    xbowreg_t               link_arb_upper;
-    xbowreg_t               filler4;
-    xbowreg_t               link_arb_lower;
-    xbowreg_t               filler5;
-    xbowreg_t               link_status_clr;
-    xbowreg_t               filler6;
-    xbowreg_t               link_reset;
-    xbowreg_t               filler7;
-    xbowreg_t               link_aux_status;
-#endif /* LITTLE_ENDIAN */
 } xb_linkregs_t;
 
 typedef volatile struct xbow_s {
@@ -124,7 +105,6 @@ typedef volatile struct xbow_s {
 #define xb_wid_llp                      xb_widget.w_llp_cfg
 #define xb_wid_stat_clr                 xb_widget.w_tflush
 
-#ifdef LITTLE_ENDIAN
 /* 
  * we access these through synergy unswizzled space, so the address
  * gets twiddled (i.e. references to 0x4 actually go to 0x0 and vv.)
@@ -165,43 +145,6 @@ typedef volatile struct xbow_s {
     xbowreg_t               _pad_0000c8;
     /* end of Xbridge only */
     xbowreg_t               _pad_0000d0[12];
-#else
-    /* xbow-specific widget configuration                  0x000058-0x0000FF */
-    xbowreg_t               _pad_000058;
-    xbowreg_t               xb_wid_arb_reload;  /* 0x00005C */
-    xbowreg_t               _pad_000060;
-    xbowreg_t               xb_perf_ctr_a;      /* 0x000064 */
-    xbowreg_t               _pad_000068;
-    xbowreg_t               xb_perf_ctr_b;      /* 0x00006c */
-    xbowreg_t               _pad_000070;
-    xbowreg_t               xb_nic;     /* 0x000074 */
-
-    /* Xbridge only */
-    xbowreg_t               _pad_000078;
-    xbowreg_t               xb_w0_rst_fnc;      /* 0x00007C */
-    xbowreg_t               _pad_000080;
-    xbowreg_t               xb_l8_rst_fnc;      /* 0x000084 */
-    xbowreg_t               _pad_000088;
-    xbowreg_t               xb_l9_rst_fnc;      /* 0x00008c */
-    xbowreg_t               _pad_000090;
-    xbowreg_t               xb_la_rst_fnc;      /* 0x000094 */
-    xbowreg_t               _pad_000098;
-    xbowreg_t               xb_lb_rst_fnc;      /* 0x00009c */
-    xbowreg_t               _pad_0000a0;
-    xbowreg_t               xb_lc_rst_fnc;      /* 0x0000a4 */
-    xbowreg_t               _pad_0000a8;
-    xbowreg_t               xb_ld_rst_fnc;      /* 0x0000ac */
-    xbowreg_t               _pad_0000b0;
-    xbowreg_t               xb_le_rst_fnc;      /* 0x0000b4 */
-    xbowreg_t               _pad_0000b8;
-    xbowreg_t               xb_lf_rst_fnc;      /* 0x0000bc */
-    xbowreg_t               _pad_0000c0;
-    xbowreg_t               xb_lock;            /* 0x0000c4 */
-    xbowreg_t               _pad_0000c8;
-    xbowreg_t               xb_lock_clr;        /* 0x0000cc */
-    /* end of Xbridge only */
-    xbowreg_t               _pad_0000d0[12];
-#endif /* LITTLE_ENDIAN */
 
     /* Link Specific Registers, port 8..15                 0x000100-0x000300 */
     xb_linkregs_t           xb_link_raw[MAX_XBOW_PORTS];
@@ -430,8 +373,6 @@ typedef struct xbow_cfg_s {
 /*
  * Xbow Widget 0 Command error word
  */
-#ifdef LITTLE_ENDIAN
-
 typedef union xbw0_cmdword_u {
     xbowreg_t               cmdword;
     struct {
@@ -450,27 +391,6 @@ typedef union xbw0_cmdword_u {
     } xbw0_cmdfield;
 } xbw0_cmdword_t;
 
-#else
-
-typedef union xbw0_cmdword_u {
-    xbowreg_t		    cmdword;
-    struct {
-	uint32_t		destid:4,	/* Desination ID number */
-				srcid:4,	/* Source ID number */
-				pactyp:4,	/* Packet type: */
-				tnum:5,		/* Transaction Number */
-				ct:1,	/* Is it a coherent transaction */
-				ds:2,	/* Data size			*/
-				gbr:1,	/* GBR enable ?			*/
-				vbpm:1,		/* Virtual Backplane message */
-				error:1,	/* Error Occured */
-				barr:1,		/* Barrier operation */
-				rsvd:8;		/* Reserved */
-    } xbw0_cmdfield;
-} xbw0_cmdword_t;
-
-#endif
-
 #define	xbcmd_destid	xbw0_cmdfield.destid
 #define	xbcmd_srcid	xbw0_cmdfield.srcid
 #define	xbcmd_pactyp	xbw0_cmdfield.pactyp
@@ -505,7 +425,6 @@ typedef union xbw0_cmdword_u {
 /*
  * Xbow widget 0 Status register format.
  */
-#ifdef LITTLE_ENDIAN
 
 typedef union xbw0_status_u {
     xbowreg_t               statusword;
@@ -524,28 +443,6 @@ typedef union xbw0_status_u {
     } xbw0_stfield;
 } xbw0_status_t;
 
-#else
-
-typedef union xbw0_status_u {
-    xbowreg_t		    statusword;
-    struct {
-	uint32_t		linkXintr:8,	/* link(x) error intr */
-				wid0intr:1,	/* Widget 0 err intr */
-				resvd1:13,
-				src_id:4,	/* source id. Xbridge only */
-				regacc_err:1,	/* Reg Access error	*/
-				/* Xbridge only */
-				w0_recv_tout,	/* receive timeout err */
-				w0_arb_tout,	/* arbiter timeout err */
-				/* End of Xbridge only */
-				xtalk_err:1,	/* Xtalk pkt with error bit */
-				connect_tout:1, /* Connection timeout	*/
-				mult_err:1;	/* Multiple error occurred */
-    } xbw0_stfield;
-} xbw0_status_t;
-
-#endif
-
 #define	xbst_linkXintr		xbw0_stfield.linkXintr
 #define	xbst_w0intr		xbw0_stfield.wid0intr
 #define	xbst_regacc_err		xbw0_stfield.regacc_err
@@ -559,7 +456,6 @@ typedef union xbw0_status_u {
 /*
  * Xbow widget 0 Control register format
  */
-#ifdef LITTLE_ENDIAN
 
 typedef union xbw0_ctrl_u {
     xbowreg_t               ctrlword;
@@ -577,28 +473,6 @@ typedef union xbw0_ctrl_u {
     } xbw0_ctrlfield;
 } xbw0_ctrl_t;
 
-#else
-
-typedef union xbw0_ctrl_u {
-    xbowreg_t		    ctrlword;
-    struct {
-	uint32_t
-				resvd1:24,
-				enable_watchdog:1,	/* Xbridge only */
-				enable_w0_tout_cntr:1,	/* Xbridge only */
-				accerr_intr:1,
-				w0_recv_tout_intr:1,	/* Xbridge only */
-				w0_arg_tout_intr:1,	/* Xbridge only */
-				xtalkerr_intr:1,
-				conntout_intr:1,
-				resvd3:1;
-    } xbw0_ctrlfield;
-} xbw0_ctrl_t;
-
-#endif
-
-#ifdef LITTLE_ENDIAN
-
 typedef union xbow_linkctrl_u {
     xbowreg_t               xbl_ctrlword;
     struct {
@@ -625,36 +499,6 @@ typedef union xbow_linkctrl_u {
     } xb_linkcontrol;
 } xbow_linkctrl_t;
 
-#else
-
-typedef union xbow_linkctrl_u {
-    xbowreg_t		    xbl_ctrlword;
-    struct {
-	uint32_t		alive_intr:1, 
-				rsvd1:1, 
-				perf_mode:2,
-				inbuf_level:3, 
-				send_bm8:1, 
-				force_badllp:1,
-				llp_credit:5, 
-				idest_intr:1, 
-				obuf_intr:1,
-				rsvd2:7, 
-				bwalloc_intr:1, 
-				rcvov_intr:1,
-				trxov_intr:1, 
-				trx_max_retry_intr:1,
-				rcv_err_intr:1, 
-				trx_retry_intr:1, 
-				rsvd3:1,
-				maxto_intr:1, 
-				srcto_intr:1;
-    } xb_linkcontrol;
-} xbow_linkctrl_t;
-
-#endif
-
-
 #define	xbctl_accerr_intr	(xbw0_ctrlfield.accerr_intr)
 #define	xbctl_xtalkerr_intr	(xbw0_ctrlfield.xtalkerr_intr)
 #define	xbctl_cnntout_intr	(xbw0_ctrlfield.conntout_intr)
@@ -667,8 +511,6 @@ typedef union xbow_linkctrl_u {
  * Xbow Link specific Registers structure definitions.
  */
 
-#ifdef LITTLE_ENDIAN
-
 typedef union xbow_linkX_status_u {
     xbowreg_t               linkstatus;
     struct {
@@ -689,30 +531,6 @@ typedef union xbow_linkX_status_u {
     } xb_linkstatus;
 } xbwX_stat_t;
 
-#else
-
-typedef union xbow_linkX_status_u {
-    xbowreg_t		    linkstatus;
-    struct {
-	uint32_t		alive:1,
-				resvd1:12,
-				merror:1,
-				illdest:1,
-				ioe:1,		/* Input overallocation error */
-				bw_errport:8,	/* BW allocation error port   */
-				llp_rxovflow:1,
-				llp_txovflow:1,
-				llp_maxtxretry:1,
-				llp_rcverror:1,
-				llp_xmitretry:1,
-				pkt_toutdest:1, /* reserved in Xbridge */
-				pkt_toutconn:1, /* max_req_tout in Xbridge */
-				pkt_toutsrc:1;
-    } xb_linkstatus;
-} xbwX_stat_t;
-
-#endif
-
 #define	link_alive		xb_linkstatus.alive
 #define	link_multierror		xb_linkstatus.merror
 #define	link_illegal_dest	xb_linkstatus.illdest
@@ -722,8 +540,6 @@ typedef union xbow_linkX_status_u {
 #define link_pkt_toutdest	xb_linkstatus.pkt_toutdest
 #define	link_pkt_toutsrc	xb_linkstatus.pkt_toutsrc
 
-#ifdef LITTLE_ENDIAN
-
 typedef union xbow_aux_linkX_status_u {
     xbowreg_t               aux_linkstatus;
     struct {
@@ -738,27 +554,6 @@ typedef union xbow_aux_linkX_status_u {
     } xb_aux_linkstatus;
 } xbow_aux_link_status_t;
 
-#else
-
-typedef union xbow_aux_linkX_status_u {
-    xbowreg_t		    aux_linkstatus;
-    struct {
-	uint32_t		rx_err_cnt:8,
-				tx_retry_cnt:8,
-				to_src_loc:8,
-				rsvd1:1,
-				fail_mode:1,
-				wid_present:1,
-				bit_mode_8:1,
-				rsvd2:4;
-    } xb_aux_linkstatus;
-} xbow_aux_link_status_t;
-
-#endif
-
-
-#ifdef LITTLE_ENDIAN
-
 typedef union xbow_perf_count_u {
     xbowreg_t               xb_counter_val;
     struct {
@@ -768,19 +563,6 @@ typedef union xbow_perf_count_u {
     } xb_perf;
 } xbow_perfcount_t;
 
-#else
-
-typedef union xbow_perf_count_u {
-    xbowreg_t               xb_counter_val;
-    struct {
-	uint32_t              rsvd:9, 
-				link_select:3, 
-				count:20;
-    } xb_perf;
-} xbow_perfcount_t;
-
-#endif
-
 #define XBOW_COUNTER_MASK	0xFFFFF
 
 extern int              xbow_widget_present(xbow_t * xbow, int port);

include/asm-ia64/sn/xtalk/xwidget.h

@@ -18,7 +18,6 @@
 #include <asm/sn/cdl.h>
 #endif /* __ASSEMBLY__ */
 
-#ifdef LITTLE_ENDIAN
 #define WIDGET_ID			0x00
 #define WIDGET_STATUS			0x08
 #define WIDGET_ERR_UPPER_ADDR		0x10
@@ -30,19 +29,6 @@
 #define WIDGET_ERR_CMD_WORD		0x40
 #define WIDGET_LLP_CFG			0x48
 #define WIDGET_TFLUSH			0x50
-#else	/* !LITTLE_ENDIAN */
-#define WIDGET_ID                       0x04
-#define WIDGET_STATUS                   0x0c
-#define WIDGET_ERR_UPPER_ADDR           0x14
-#define WIDGET_ERR_LOWER_ADDR           0x1c
-#define WIDGET_CONTROL                  0x24
-#define WIDGET_REQ_TIMEOUT              0x2c
-#define WIDGET_INTDEST_UPPER_ADDR       0x34
-#define WIDGET_INTDEST_LOWER_ADDR       0x3c
-#define WIDGET_ERR_CMD_WORD             0x44
-#define WIDGET_LLP_CFG                  0x4c
-#define WIDGET_TFLUSH                   0x54
-#endif
 
 /* WIDGET_ID */
 #define WIDGET_REV_NUM			0xf0000000
@@ -120,7 +106,6 @@ typedef uint32_t      widgetreg_t;
 
 /* widget configuration registers */
 typedef volatile struct widget_cfg {
-#ifdef LITTLE_ENDIAN
 /*
  * we access these through synergy unswizzled space, so the address
  * gets twiddled (i.e. references to 0x4 actually go to 0x0 and vv.)
@@ -148,33 +133,8 @@ typedef volatile struct widget_cfg {
     widgetreg_t		    w_pad_9;	/* 0x48 */
     widgetreg_t		    w_tflush;	/* 0x54 */
     widgetreg_t		    w_pad_10;	/* 0x50 */
-#else
-    widgetreg_t		    w_pad_0;	/* 0x00 */
-    widgetreg_t		    w_id;	/* 0x04 */
-    widgetreg_t		    w_pad_1;	/* 0x08 */
-    widgetreg_t		    w_status;	/* 0x0c */
-    widgetreg_t		    w_pad_2;	/* 0x10 */
-    widgetreg_t		    w_err_upper_addr;	/* 0x14 */
-    widgetreg_t		    w_pad_3;	/* 0x18 */
-    widgetreg_t		    w_err_lower_addr;	/* 0x1c */
-    widgetreg_t		    w_pad_4;	/* 0x20 */
-    widgetreg_t		    w_control;	/* 0x24 */
-    widgetreg_t		    w_pad_5;	/* 0x28 */
-    widgetreg_t		    w_req_timeout;	/* 0x2c */
-    widgetreg_t		    w_pad_6;	/* 0x30 */
-    widgetreg_t		    w_intdest_upper_addr;	/* 0x34 */
-    widgetreg_t		    w_pad_7;	/* 0x38 */
-    widgetreg_t		    w_intdest_lower_addr;	/* 0x3c */
-    widgetreg_t		    w_pad_8;	/* 0x40 */
-    widgetreg_t		    w_err_cmd_word;	/* 0x44 */
-    widgetreg_t		    w_pad_9;	/* 0x48 */
-    widgetreg_t		    w_llp_cfg;	/* 0x4c */
-    widgetreg_t		    w_pad_10;	/* 0x50 */
-    widgetreg_t		    w_tflush;	/* 0x54 */
-#endif /* LITTLE_ENDIAN */
 } widget_cfg_t;
 
-#ifdef LITTLE_ENDIAN
 typedef struct {
     unsigned                other:8;
     unsigned                bo:1;
@@ -188,33 +148,11 @@ typedef struct {
     unsigned                sidn:4;
     unsigned                didn:4;
 } w_err_cmd_word_f;
-#else
-typedef struct {
-    unsigned                didn:4;
-    unsigned                sidn:4;
-    unsigned                pactyp:4;
-    unsigned                tnum:5;
-    unsigned                ct:1;
-    unsigned                ds:2;
-    unsigned                gbr:1;
-    unsigned                vbpm:1;
-    unsigned                error:1;
-    unsigned                bo:1;
-    unsigned                other:8;
-} w_err_cmd_word_f;
-#endif
 
-#ifdef LITTLE_ENDIAN
 typedef union {
     w_err_cmd_word_f        f;
     widgetreg_t             r;
 } w_err_cmd_word_u;
-#else
-typedef union {
-    widgetreg_t             r;
-    w_err_cmd_word_f        f;
-} w_err_cmd_word_u;
-#endif
 
 /* IO widget initialization function */
 typedef struct xwidget_info_s *xwidget_info_t;
@@ -222,19 +160,11 @@ typedef struct xwidget_info_s *xwidget_info_t;
 /*
  * Crosstalk Widget Hardware Identification, as defined in the Crosstalk spec.
  */
-#ifdef LITTLE_ENDIAN
 typedef struct xwidget_hwid_s {
     xwidget_mfg_num_t       mfg_num;
     xwidget_rev_num_t       rev_num;
     xwidget_part_num_t      part_num;
 }                      *xwidget_hwid_t;
-#else
-typedef struct xwidget_hwid_s {
-    xwidget_part_num_t      part_num;
-    xwidget_rev_num_t       rev_num;
-    xwidget_mfg_num_t       mfg_num;
-}                      *xwidget_hwid_t;
-#endif
 
 
 /*