staging: brcm80211: move files only used by brcmsmac into appropriate dir

A number of files in the util subdir are only used by the brcmsmac driver.
Move those files into the brcmsmac subdir instead, and do the necessary
Makefile updates to get the files from the new location.

Cc: devel@linuxdriverproject.org
Cc: linux-wireless@vger.kernel.org
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 936 deletions

diff --git a/drivers/staging/brcm80211/util/bcmotp.c b/drivers/staging/brcm80211/util/bcmotp.c
deleted file mode 100644
index d09628b..0000000
--- a/drivers/staging/brcm80211/util/bcmotp.c
+++ /dev/null
@@ -1,936 +0,0 @@
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/crc-ccitt.h>
-
-#include <bcmdefs.h>
-#include <bcmdevs.h>
-#include <bcmutils.h>
-#include <aiutils.h>
-#include <hndsoc.h>
-#include <sbchipc.h>
-#include <bcmotp.h>
-
-/*
- * There are two different OTP controllers so far:
- * 	1. new IPX OTP controller:	chipc 21, >=23
- * 	2. older HND OTP controller:	chipc 12, 17, 22
- *
- * Define BCMHNDOTP to include support for the HND OTP controller.
- * Define BCMIPXOTP to include support for the IPX OTP controller.
- *
- * NOTE 1: More than one may be defined
- * NOTE 2: If none are defined, the default is to include them all.
- */
-
-#if !defined(BCMHNDOTP) && !defined(BCMIPXOTP)
-#define BCMHNDOTP	1
-#define BCMIPXOTP	1
-#endif
-
-#define OTPTYPE_HND(ccrev)	((ccrev) < 21 || (ccrev) == 22)
-#define OTPTYPE_IPX(ccrev)	((ccrev) == 21 || (ccrev) >= 23)
-
-#define OTPP_TRIES	10000000	/* # of tries for OTPP */
-
-#ifdef BCMIPXOTP
-#define MAXNUMRDES		9	/* Maximum OTP redundancy entries */
-#endif
-
-/* OTP common function type */
-typedef int (*otp_status_t) (void *oh);
-typedef int (*otp_size_t) (void *oh);
-typedef void *(*otp_init_t) (si_t *sih);
-typedef u16(*otp_read_bit_t) (void *oh, chipcregs_t *cc, uint off);
-typedef int (*otp_read_region_t) (si_t *sih, int region, u16 *data,
-				  uint *wlen);
-typedef int (*otp_nvread_t) (void *oh, char *data, uint *len);
-
-/* OTP function struct */
-typedef struct otp_fn_s {
-	otp_size_t size;
-	otp_read_bit_t read_bit;
-	otp_init_t init;
-	otp_read_region_t read_region;
-	otp_nvread_t nvread;
-	otp_status_t status;
-} otp_fn_t;
-
-typedef struct {
-	uint ccrev;		/* chipc revision */
-	otp_fn_t *fn;		/* OTP functions */
-	si_t *sih;		/* Saved sb handle */
-
-#ifdef BCMIPXOTP
-	/* IPX OTP section */
-	u16 wsize;		/* Size of otp in words */
-	u16 rows;		/* Geometry */
-	u16 cols;		/* Geometry */
-	u32 status;		/* Flag bits (lock/prog/rv).
-				 * (Reflected only when OTP is power cycled)
-				 */
-	u16 hwbase;		/* hardware subregion offset */
-	u16 hwlim;		/* hardware subregion boundary */
-	u16 swbase;		/* software subregion offset */
-	u16 swlim;		/* software subregion boundary */
-	u16 fbase;		/* fuse subregion offset */
-	u16 flim;		/* fuse subregion boundary */
-	int otpgu_base;		/* offset to General Use Region */
-#endif				/* BCMIPXOTP */
-
-#ifdef BCMHNDOTP
-	/* HND OTP section */
-	uint size;		/* Size of otp in bytes */
-	uint hwprot;		/* Hardware protection bits */
-	uint signvalid;		/* Signature valid bits */
-	int boundary;		/* hw/sw boundary */
-#endif				/* BCMHNDOTP */
-} otpinfo_t;
-
-static otpinfo_t otpinfo;
-
-/*
- * IPX OTP Code
- *
- *   Exported functions:
- *	ipxotp_status()
- *	ipxotp_size()
- *	ipxotp_init()
- *	ipxotp_read_bit()
- *	ipxotp_read_region()
- *	ipxotp_nvread()
- *
- */
-
-#ifdef BCMIPXOTP
-
-#define HWSW_RGN(rgn)		(((rgn) == OTP_HW_RGN) ? "h/w" : "s/w")
-
-/* OTP layout */
-/* CC revs 21, 24 and 27 OTP General Use Region word offset */
-#define REVA4_OTPGU_BASE	12
-
-/* CC revs 23, 25, 26, 28 and above OTP General Use Region word offset */
-#define REVB8_OTPGU_BASE	20
-
-/* CC rev 36 OTP General Use Region word offset */
-#define REV36_OTPGU_BASE	12
-
-/* Subregion word offsets in General Use region */
-#define OTPGU_HSB_OFF		0
-#define OTPGU_SFB_OFF		1
-#define OTPGU_CI_OFF		2
-#define OTPGU_P_OFF		3
-#define OTPGU_SROM_OFF		4
-
-/* Flag bit offsets in General Use region  */
-#define OTPGU_HWP_OFF		60
-#define OTPGU_SWP_OFF		61
-#define OTPGU_CIP_OFF		62
-#define OTPGU_FUSEP_OFF		63
-#define OTPGU_CIP_MSK		0x4000
-#define OTPGU_P_MSK		0xf000
-#define OTPGU_P_SHIFT		(OTPGU_HWP_OFF % 16)
-
-/* OTP Size */
-#define OTP_SZ_FU_324		((roundup(324, 8))/8)	/* 324 bits */
-#define OTP_SZ_FU_288		(288/8)	/* 288 bits */
-#define OTP_SZ_FU_216		(216/8)	/* 216 bits */
-#define OTP_SZ_FU_72		(72/8)	/* 72 bits */
-#define OTP_SZ_CHECKSUM		(16/8)	/* 16 bits */
-#define OTP4315_SWREG_SZ	178	/* 178 bytes */
-#define OTP_SZ_FU_144		(144/8)	/* 144 bits */
-
-static int ipxotp_status(void *oh)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-	return (int)(oi->status);
-}
-
-/* Return size in bytes */
-static int ipxotp_size(void *oh)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-	return (int)oi->wsize * 2;
-}
-
-static u16 ipxotp_otpr(void *oh, chipcregs_t *cc, uint wn)
-{
-	otpinfo_t *oi;
-
-	oi = (otpinfo_t *) oh;
-
-	return R_REG(&cc->sromotp[wn]);
-}
-
-static u16 ipxotp_read_bit(void *oh, chipcregs_t *cc, uint off)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-	uint k, row, col;
-	u32 otpp, st;
-
-	row = off / oi->cols;
-	col = off % oi->cols;
-
-	otpp = OTPP_START_BUSY |
-	    ((OTPPOC_READ << OTPP_OC_SHIFT) & OTPP_OC_MASK) |
-	    ((row << OTPP_ROW_SHIFT) & OTPP_ROW_MASK) |
-	    ((col << OTPP_COL_SHIFT) & OTPP_COL_MASK);
-	W_REG(&cc->otpprog, otpp);
-
-	for (k = 0;
-	     ((st = R_REG(&cc->otpprog)) & OTPP_START_BUSY)
-	     && (k < OTPP_TRIES); k++)
-		;
-	if (k >= OTPP_TRIES) {
-		return 0xffff;
-	}
-	if (st & OTPP_READERR) {
-		return 0xffff;
-	}
-	st = (st & OTPP_VALUE_MASK) >> OTPP_VALUE_SHIFT;
-
-	return (int)st;
-}
-
-/* Calculate max HW/SW region byte size by subtracting fuse region and checksum size,
- * osizew is oi->wsize (OTP size - GU size) in words
- */
-static int ipxotp_max_rgnsz(si_t *sih, int osizew)
-{
-	int ret = 0;
-
-	switch (sih->chip) {
-	case BCM43224_CHIP_ID:
-	case BCM43225_CHIP_ID:
-		ret = osizew * 2 - OTP_SZ_FU_72 - OTP_SZ_CHECKSUM;
-		break;
-	case BCM4313_CHIP_ID:
-		ret = osizew * 2 - OTP_SZ_FU_72 - OTP_SZ_CHECKSUM;
-		break;
-	default:
-		break;	/* Don't know about this chip */
-	}
-
-	return ret;
-}
-
-static void _ipxotp_init(otpinfo_t *oi, chipcregs_t *cc)
-{
-	uint k;
-	u32 otpp, st;
-
-	/* record word offset of General Use Region for various chipcommon revs */
-	if (oi->sih->ccrev == 21 || oi->sih->ccrev == 24
-	    || oi->sih->ccrev == 27) {
-		oi->otpgu_base = REVA4_OTPGU_BASE;
-	} else if (oi->sih->ccrev == 36) {
-		/* OTP size greater than equal to 2KB (128 words), otpgu_base is similar to rev23 */
-		if (oi->wsize >= 128)
-			oi->otpgu_base = REVB8_OTPGU_BASE;
-		else
-			oi->otpgu_base = REV36_OTPGU_BASE;
-	} else if (oi->sih->ccrev == 23 || oi->sih->ccrev >= 25) {
-		oi->otpgu_base = REVB8_OTPGU_BASE;
-	}
-
-	/* First issue an init command so the status is up to date */
-	otpp =
-	    OTPP_START_BUSY | ((OTPPOC_INIT << OTPP_OC_SHIFT) & OTPP_OC_MASK);
-
-	W_REG(&cc->otpprog, otpp);
-	for (k = 0;
-	     ((st = R_REG(&cc->otpprog)) & OTPP_START_BUSY)
-	     && (k < OTPP_TRIES); k++)
-		;
-	if (k >= OTPP_TRIES) {
-		return;
-	}
-
-	/* Read OTP lock bits and subregion programmed indication bits */
-	oi->status = R_REG(&cc->otpstatus);
-
-	if ((oi->sih->chip == BCM43224_CHIP_ID)
-	    || (oi->sih->chip == BCM43225_CHIP_ID)) {
-		u32 p_bits;
-		p_bits =
-		    (ipxotp_otpr(oi, cc, oi->otpgu_base + OTPGU_P_OFF) &
-		     OTPGU_P_MSK)
-		    >> OTPGU_P_SHIFT;
-		oi->status |= (p_bits << OTPS_GUP_SHIFT);
-	}
-
-	/*
-	 * h/w region base and fuse region limit are fixed to the top and
-	 * the bottom of the general use region. Everything else can be flexible.
-	 */
-	oi->hwbase = oi->otpgu_base + OTPGU_SROM_OFF;
-	oi->hwlim = oi->wsize;
-	if (oi->status & OTPS_GUP_HW) {
-		oi->hwlim =
-		    ipxotp_otpr(oi, cc, oi->otpgu_base + OTPGU_HSB_OFF) / 16;
-		oi->swbase = oi->hwlim;
-	} else
-		oi->swbase = oi->hwbase;
-
-	/* subtract fuse and checksum from beginning */
-	oi->swlim = ipxotp_max_rgnsz(oi->sih, oi->wsize) / 2;
-
-	if (oi->status & OTPS_GUP_SW) {
-		oi->swlim =
-		    ipxotp_otpr(oi, cc, oi->otpgu_base + OTPGU_SFB_OFF) / 16;
-		oi->fbase = oi->swlim;
-	} else
-		oi->fbase = oi->swbase;
-
-	oi->flim = oi->wsize;
-}
-
-static void *ipxotp_init(si_t *sih)
-{
-	uint idx;
-	chipcregs_t *cc;
-	otpinfo_t *oi;
-
-	/* Make sure we're running IPX OTP */
-	if (!OTPTYPE_IPX(sih->ccrev))
-		return NULL;
-
-	/* Make sure OTP is not disabled */
-	if (ai_is_otp_disabled(sih))
-		return NULL;
-
-	/* Make sure OTP is powered up */
-	if (!ai_is_otp_powered(sih))
-		return NULL;
-
-	oi = &otpinfo;
-
-	/* Check for otp size */
-	switch ((sih->cccaps & CC_CAP_OTPSIZE) >> CC_CAP_OTPSIZE_SHIFT) {
-	case 0:
-		/* Nothing there */
-		return NULL;
-	case 1:		/* 32x64 */
-		oi->rows = 32;
-		oi->cols = 64;
-		oi->wsize = 128;
-		break;
-	case 2:		/* 64x64 */
-		oi->rows = 64;
-		oi->cols = 64;
-		oi->wsize = 256;
-		break;
-	case 5:		/* 96x64 */
-		oi->rows = 96;
-		oi->cols = 64;
-		oi->wsize = 384;
-		break;
-	case 7:		/* 16x64 *//* 1024 bits */
-		oi->rows = 16;
-		oi->cols = 64;
-		oi->wsize = 64;
-		break;
-	default:
-		/* Don't know the geometry */
-		return NULL;
-	}
-
-	/* Retrieve OTP region info */
-	idx = ai_coreidx(sih);
-	cc = ai_setcoreidx(sih, SI_CC_IDX);
-
-	_ipxotp_init(oi, cc);
-
-	ai_setcoreidx(sih, idx);
-
-	return (void *)oi;
-}
-
-static int ipxotp_read_region(void *oh, int region, u16 *data, uint *wlen)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-	uint idx;
-	chipcregs_t *cc;
-	uint base, i, sz;
-
-	/* Validate region selection */
-	switch (region) {
-	case OTP_HW_RGN:
-		sz = (uint) oi->hwlim - oi->hwbase;
-		if (!(oi->status & OTPS_GUP_HW)) {
-			*wlen = sz;
-			return -ENODATA;
-		}
-		if (*wlen < sz) {
-			*wlen = sz;
-			return -EOVERFLOW;
-		}
-		base = oi->hwbase;
-		break;
-	case OTP_SW_RGN:
-		sz = ((uint) oi->swlim - oi->swbase);
-		if (!(oi->status & OTPS_GUP_SW)) {
-			*wlen = sz;
-			return -ENODATA;
-		}
-		if (*wlen < sz) {
-			*wlen = sz;
-			return -EOVERFLOW;
-		}
-		base = oi->swbase;
-		break;
-	case OTP_CI_RGN:
-		sz = OTPGU_CI_SZ;
-		if (!(oi->status & OTPS_GUP_CI)) {
-			*wlen = sz;
-			return -ENODATA;
-		}
-		if (*wlen < sz) {
-			*wlen = sz;
-			return -EOVERFLOW;
-		}
-		base = oi->otpgu_base + OTPGU_CI_OFF;
-		break;
-	case OTP_FUSE_RGN:
-		sz = (uint) oi->flim - oi->fbase;
-		if (!(oi->status & OTPS_GUP_FUSE)) {
-			*wlen = sz;
-			return -ENODATA;
-		}
-		if (*wlen < sz) {
-			*wlen = sz;
-			return -EOVERFLOW;
-		}
-		base = oi->fbase;
-		break;
-	case OTP_ALL_RGN:
-		sz = ((uint) oi->flim - oi->hwbase);
-		if (!(oi->status & (OTPS_GUP_HW | OTPS_GUP_SW))) {
-			*wlen = sz;
-			return -ENODATA;
-		}
-		if (*wlen < sz) {
-			*wlen = sz;
-			return -EOVERFLOW;
-		}
-		base = oi->hwbase;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	idx = ai_coreidx(oi->sih);
-	cc = ai_setcoreidx(oi->sih, SI_CC_IDX);
-
-	/* Read the data */
-	for (i = 0; i < sz; i++)
-		data[i] = ipxotp_otpr(oh, cc, base + i);
-
-	ai_setcoreidx(oi->sih, idx);
-	*wlen = sz;
-	return 0;
-}
-
-static int ipxotp_nvread(void *oh, char *data, uint *len)
-{
-	return -ENOTSUPP;
-}
-
-static otp_fn_t ipxotp_fn = {
-	(otp_size_t) ipxotp_size,
-	(otp_read_bit_t) ipxotp_read_bit,
-
-	(otp_init_t) ipxotp_init,
-	(otp_read_region_t) ipxotp_read_region,
-	(otp_nvread_t) ipxotp_nvread,
-
-	(otp_status_t) ipxotp_status
-};
-
-#endif				/* BCMIPXOTP */
-
-/*
- * HND OTP Code
- *
- *   Exported functions:
- *	hndotp_status()
- *	hndotp_size()
- *	hndotp_init()
- *	hndotp_read_bit()
- *	hndotp_read_region()
- *	hndotp_nvread()
- *
- */
-
-#ifdef BCMHNDOTP
-
-/* Fields in otpstatus */
-#define	OTPS_PROGFAIL		0x80000000
-#define	OTPS_PROTECT		0x00000007
-#define	OTPS_HW_PROTECT		0x00000001
-#define	OTPS_SW_PROTECT		0x00000002
-#define	OTPS_CID_PROTECT	0x00000004
-#define	OTPS_RCEV_MSK		0x00003f00
-#define	OTPS_RCEV_SHIFT		8
-
-/* Fields in the otpcontrol register */
-#define	OTPC_RECWAIT		0xff000000
-#define	OTPC_PROGWAIT		0x00ffff00
-#define	OTPC_PRW_SHIFT		8
-#define	OTPC_MAXFAIL		0x00000038
-#define	OTPC_VSEL		0x00000006
-#define	OTPC_SELVL		0x00000001
-
-/* OTP regions (Word offsets from otp size) */
-#define	OTP_SWLIM_OFF	(-4)
-#define	OTP_CIDBASE_OFF	0
-#define	OTP_CIDLIM_OFF	4
-
-/* Predefined OTP words (Word offset from otp size) */
-#define	OTP_BOUNDARY_OFF (-4)
-#define	OTP_HWSIGN_OFF	(-3)
-#define	OTP_SWSIGN_OFF	(-2)
-#define	OTP_CIDSIGN_OFF	(-1)
-#define	OTP_CID_OFF	0
-#define	OTP_PKG_OFF	1
-#define	OTP_FID_OFF	2
-#define	OTP_RSV_OFF	3
-#define	OTP_LIM_OFF	4
-#define	OTP_RD_OFF	4	/* Redundancy row starts here */
-#define	OTP_RC0_OFF	28	/* Redundancy control word 1 */
-#define	OTP_RC1_OFF	32	/* Redundancy control word 2 */
-#define	OTP_RC_LIM_OFF	36	/* Redundancy control word end */
-
-#define	OTP_HW_REGION	OTPS_HW_PROTECT
-#define	OTP_SW_REGION	OTPS_SW_PROTECT
-#define	OTP_CID_REGION	OTPS_CID_PROTECT
-
-#if OTP_HW_REGION != OTP_HW_RGN
-#error "incompatible OTP_HW_RGN"
-#endif
-#if OTP_SW_REGION != OTP_SW_RGN
-#error "incompatible OTP_SW_RGN"
-#endif
-#if OTP_CID_REGION != OTP_CI_RGN
-#error "incompatible OTP_CI_RGN"
-#endif
-
-/* Redundancy entry definitions */
-#define	OTP_RCE_ROW_SZ		6
-#define	OTP_RCE_SIGN_MASK	0x7fff
-#define	OTP_RCE_ROW_MASK	0x3f
-#define	OTP_RCE_BITS		21
-#define	OTP_RCE_SIGN_SZ		15
-#define	OTP_RCE_BIT0		1
-
-#define	OTP_WPR		4
-#define	OTP_SIGNATURE	0x578a
-#define	OTP_MAGIC	0x4e56
-
-static int hndotp_status(void *oh)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-	return (int)(oi->hwprot | oi->signvalid);
-}
-
-static int hndotp_size(void *oh)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-	return (int)(oi->size);
-}
-
-static u16 hndotp_otpr(void *oh, chipcregs_t *cc, uint wn)
-{
-	volatile u16 *ptr;
-
-	ptr = (volatile u16 *)((volatile char *)cc + CC_SROM_OTP);
-	return R_REG(&ptr[wn]);
-}
-
-static u16 hndotp_otproff(void *oh, chipcregs_t *cc, int woff)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-	volatile u16 *ptr;
-
-	ptr = (volatile u16 *)((volatile char *)cc + CC_SROM_OTP);
-
-	return R_REG(&ptr[(oi->size / 2) + woff]);
-}
-
-static u16 hndotp_read_bit(void *oh, chipcregs_t *cc, uint idx)
-{
-	uint k, row, col;
-	u32 otpp, st;
-
-	row = idx / 65;
-	col = idx % 65;
-
-	otpp = OTPP_START_BUSY | OTPP_READ |
-	    ((row << OTPP_ROW_SHIFT) & OTPP_ROW_MASK) | (col & OTPP_COL_MASK);
-
-	W_REG(&cc->otpprog, otpp);
-	st = R_REG(&cc->otpprog);
-	for (k = 0;
-	     ((st & OTPP_START_BUSY) == OTPP_START_BUSY) && (k < OTPP_TRIES);
-	     k++)
-		st = R_REG(&cc->otpprog);
-
-	if (k >= OTPP_TRIES) {
-		return 0xffff;
-	}
-	if (st & OTPP_READERR) {
-		return 0xffff;
-	}
-	st = (st & OTPP_VALUE_MASK) >> OTPP_VALUE_SHIFT;
-	return (u16) st;
-}
-
-static void *hndotp_init(si_t *sih)
-{
-	uint idx;
-	chipcregs_t *cc;
-	otpinfo_t *oi;
-	u32 cap = 0, clkdiv, otpdiv = 0;
-	void *ret = NULL;
-
-	oi = &otpinfo;
-
-	idx = ai_coreidx(sih);
-
-	/* Check for otp */
-	cc = ai_setcoreidx(sih, SI_CC_IDX);
-	if (cc != NULL) {
-		cap = R_REG(&cc->capabilities);
-		if ((cap & CC_CAP_OTPSIZE) == 0) {
-			/* Nothing there */
-			goto out;
-		}
-
-		if (!((oi->ccrev == 12) || (oi->ccrev == 17)
-		     || (oi->ccrev == 22)))
-			return NULL;
-
-		/* Read the OTP byte size. chipcommon rev >= 18 has RCE so the size is
-		 * 8 row (64 bytes) smaller
-		 */
-		oi->size =
-		    1 << (((cap & CC_CAP_OTPSIZE) >> CC_CAP_OTPSIZE_SHIFT)
-			  + CC_CAP_OTPSIZE_BASE);
-		if (oi->ccrev >= 18)
-			oi->size -= ((OTP_RC0_OFF - OTP_BOUNDARY_OFF) * 2);
-
-		oi->hwprot = (int)(R_REG(&cc->otpstatus) & OTPS_PROTECT);
-		oi->boundary = -1;
-
-		/* Check the region signature */
-		if (hndotp_otproff(oi, cc, OTP_HWSIGN_OFF) == OTP_SIGNATURE) {
-			oi->signvalid |= OTP_HW_REGION;
-			oi->boundary = hndotp_otproff(oi, cc, OTP_BOUNDARY_OFF);
-		}
-
-		if (hndotp_otproff(oi, cc, OTP_SWSIGN_OFF) == OTP_SIGNATURE)
-			oi->signvalid |= OTP_SW_REGION;
-
-		if (hndotp_otproff(oi, cc, OTP_CIDSIGN_OFF) == OTP_SIGNATURE)
-			oi->signvalid |= OTP_CID_REGION;
-
-		/* Set OTP clkdiv for stability */
-		if (oi->ccrev == 22)
-			otpdiv = 12;
-
-		if (otpdiv) {
-			clkdiv = R_REG(&cc->clkdiv);
-			clkdiv =
-			    (clkdiv & ~CLKD_OTP) | (otpdiv << CLKD_OTP_SHIFT);
-			W_REG(&cc->clkdiv, clkdiv);
-		}
-		udelay(10);
-
-		ret = (void *)oi;
-	}
-
- out:				/* All done */
-	ai_setcoreidx(sih, idx);
-
-	return ret;
-}
-
-static int hndotp_read_region(void *oh, int region, u16 *data, uint *wlen)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-	u32 idx, st;
-	chipcregs_t *cc;
-	int i;
-
-
-	if (region != OTP_HW_REGION) {
-		/*
-		 * Only support HW region
-		 * (no active chips use HND OTP SW region)
-		 * */
-		return -ENOTSUPP;
-	}
-
-	/* Region empty? */
-	st = oi->hwprot | oi->signvalid;
-	if ((st & region) == 0)
-		return -ENODATA;
-
-	*wlen =
-	    ((int)*wlen < oi->boundary / 2) ? *wlen : (uint) oi->boundary / 2;
-
-	idx = ai_coreidx(oi->sih);
-	cc = ai_setcoreidx(oi->sih, SI_CC_IDX);
-
-	for (i = 0; i < (int)*wlen; i++)
-		data[i] = hndotp_otpr(oh, cc, i);
-
-	ai_setcoreidx(oi->sih, idx);
-
-	return 0;
-}
-
-static int hndotp_nvread(void *oh, char *data, uint *len)
-{
-	int rc = 0;
-	otpinfo_t *oi = (otpinfo_t *) oh;
-	u32 base, bound, lim = 0, st;
-	int i, chunk, gchunks, tsz = 0;
-	u32 idx;
-	chipcregs_t *cc;
-	uint offset;
-	u16 *rawotp = NULL;
-
-	/* save the orig core */
-	idx = ai_coreidx(oi->sih);
-	cc = ai_setcoreidx(oi->sih, SI_CC_IDX);
-
-	st = hndotp_status(oh);
-	if (!(st & (OTP_HW_REGION | OTP_SW_REGION))) {
-		rc = -1;
-		goto out;
-	}
-
-	/* Read the whole otp so we can easily manipulate it */
-	lim = hndotp_size(oh);
-	rawotp = kmalloc(lim, GFP_ATOMIC);
-	if (rawotp == NULL) {
-		rc = -2;
-		goto out;
-	}
-	for (i = 0; i < (int)(lim / 2); i++)
-		rawotp[i] = hndotp_otpr(oh, cc, i);
-
-	if ((st & OTP_HW_REGION) == 0) {
-		/* This could be a programming failure in the first
-		 * chunk followed by one or more good chunks
-		 */
-		for (i = 0; i < (int)(lim / 2); i++)
-			if (rawotp[i] == OTP_MAGIC)
-				break;
-
-		if (i < (int)(lim / 2)) {
-			base = i;
-			bound = (i * 2) + rawotp[i + 1];
-		} else {
-			rc = -3;
-			goto out;
-		}
-	} else {
-		bound = rawotp[(lim / 2) + OTP_BOUNDARY_OFF];
-
-		/* There are two cases: 1) The whole otp is used as nvram
-		 * and 2) There is a hardware header followed by nvram.
-		 */
-		if (rawotp[0] == OTP_MAGIC) {
-			base = 0;
-		} else
-			base = bound;
-	}
-
-	/* Find and copy the data */
-
-	chunk = 0;
-	gchunks = 0;
-	i = base / 2;
-	offset = 0;
-	while ((i < (int)(lim / 2)) && (rawotp[i] == OTP_MAGIC)) {
-		int dsz, rsz = rawotp[i + 1];
-
-		if (((i * 2) + rsz) >= (int)lim) {
-			/* Bad length, try to find another chunk anyway */
-			rsz = 6;
-		}
-		if (crc_ccitt(CRC16_INIT_VALUE, (u8 *) &rawotp[i], rsz) ==
-			CRC16_GOOD_VALUE) {
-			/* Good crc, copy the vars */
-			gchunks++;
-			dsz = rsz - 6;
-			tsz += dsz;
-			if (offset + dsz >= *len) {
-				goto out;
-			}
-			memcpy(&data[offset], &rawotp[i + 2], dsz);
-			offset += dsz;
-			/* Remove extra null characters at the end */
-			while (offset > 1 &&
-			       data[offset - 1] == 0 && data[offset - 2] == 0)
-				offset--;
-			i += rsz / 2;
-		} else {
-			/* bad length or crc didn't check, try to find the next set */
-			if (rawotp[i + (rsz / 2)] == OTP_MAGIC) {
-				/* Assume length is good */
-				i += rsz / 2;
-			} else {
-				while (++i < (int)(lim / 2))
-					if (rawotp[i] == OTP_MAGIC)
-						break;
-			}
-		}
-		chunk++;
-	}
-
-	*len = offset;
-
- out:
-	kfree(rawotp);
-	ai_setcoreidx(oi->sih, idx);
-
-	return rc;
-}
-
-static otp_fn_t hndotp_fn = {
-	(otp_size_t) hndotp_size,
-	(otp_read_bit_t) hndotp_read_bit,
-
-	(otp_init_t) hndotp_init,
-	(otp_read_region_t) hndotp_read_region,
-	(otp_nvread_t) hndotp_nvread,
-
-	(otp_status_t) hndotp_status
-};
-
-#endif				/* BCMHNDOTP */
-
-/*
- * Common Code: Compiled for IPX / HND / AUTO
- *	otp_status()
- *	otp_size()
- *	otp_read_bit()
- *	otp_init()
- * 	otp_read_region()
- * 	otp_nvread()
- */
-
-int otp_status(void *oh)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-
-	return oi->fn->status(oh);
-}
-
-int otp_size(void *oh)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-
-	return oi->fn->size(oh);
-}
-
-u16 otp_read_bit(void *oh, uint offset)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-	uint idx = ai_coreidx(oi->sih);
-	chipcregs_t *cc = ai_setcoreidx(oi->sih, SI_CC_IDX);
-	u16 readBit = (u16) oi->fn->read_bit(oh, cc, offset);
-	ai_setcoreidx(oi->sih, idx);
-	return readBit;
-}
-
-void *otp_init(si_t *sih)
-{
-	otpinfo_t *oi;
-	void *ret = NULL;
-
-	oi = &otpinfo;
-	memset(oi, 0, sizeof(otpinfo_t));
-
-	oi->ccrev = sih->ccrev;
-
-#ifdef BCMIPXOTP
-	if (OTPTYPE_IPX(oi->ccrev))
-		oi->fn = &ipxotp_fn;
-#endif
-
-#ifdef BCMHNDOTP
-	if (OTPTYPE_HND(oi->ccrev))
-		oi->fn = &hndotp_fn;
-#endif
-
-	if (oi->fn == NULL) {
-		return NULL;
-	}
-
-	oi->sih = sih;
-
-	ret = (oi->fn->init) (sih);
-
-	return ret;
-}
-
-int
-otp_read_region(si_t *sih, int region, u16 *data,
-				 uint *wlen) {
-	bool wasup = false;
-	void *oh;
-	int err = 0;
-
-	wasup = ai_is_otp_powered(sih);
-	if (!wasup)
-		ai_otp_power(sih, true);
-
-	if (!ai_is_otp_powered(sih) || ai_is_otp_disabled(sih)) {
-		err = -EPERM;
-		goto out;
-	}
-
-	oh = otp_init(sih);
-	if (oh == NULL) {
-		err = -EBADE;
-		goto out;
-	}
-
-	err = (((otpinfo_t *) oh)->fn->read_region) (oh, region, data, wlen);
-
- out:
-	if (!wasup)
-		ai_otp_power(sih, false);
-
-	return err;
-}
-
-int otp_nvread(void *oh, char *data, uint *len)
-{
-	otpinfo_t *oi = (otpinfo_t *) oh;
-
-	return oi->fn->nvread(oh, data, len);
-}