d89505998e
Convert prism2_usb firmware loading to load firmware in pre-compiled binary 'ihex' format rather than ascii 'srec' format. This moves the srec processing and sorting of records out of kernel space into a pre-compiler. The driver now just works with the binary image, but still does the 'pda plugging' of that image at runtime, as required by the prism hardware. Some Notes: - The firmware is now expected to be in the same 'ihex' (.fw) format used by other drivers. - The now driver assumes the data records are already sorted into ascending address order. - Plug and crc records are still recognised by special address locations as in original srec processing. - The srec S7 start address record is assumed to have been converted into a data record with another special address location (0xff400000), with the original start address being stored as a 4 byte data word (little endian). Signed-off-by: Karl Relton <karllinuxtest.relton@ntlworld.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
1204 lines
33 KiB
C
1204 lines
33 KiB
C
/* from src/prism2/download/prism2dl.c
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*
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* utility for downloading prism2 images moved into kernelspace
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*
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* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
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* --------------------------------------------------------------------
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*
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* linux-wlan
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License version 2 (the "GPL"), in which
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* case the provisions of the GPL are applicable instead of the
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* above. If you wish to allow the use of your version of this file
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* only under the terms of the GPL and not to allow others to use
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* your version of this file under the MPL, indicate your decision
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* by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the MPL or the GPL.
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*
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* --------------------------------------------------------------------
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*
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* Inquiries regarding the linux-wlan Open Source project can be
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* made directly to:
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*
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* AbsoluteValue Systems Inc.
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* info@linux-wlan.com
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* http://www.linux-wlan.com
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*
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* --------------------------------------------------------------------
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*
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* Portions of the development of this software were funded by
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* Intersil Corporation as part of PRISM(R) chipset product development.
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*
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* --------------------------------------------------------------------
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*/
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/*================================================================*/
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/* System Includes */
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#include <linux/ihex.h>
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/*================================================================*/
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/* Local Constants */
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#define PRISM2_USB_FWFILE "prism2_ru.fw"
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#define S3DATA_MAX 5000
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#define S3PLUG_MAX 200
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#define S3CRC_MAX 200
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#define S3INFO_MAX 50
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#define S3ADDR_PLUG (0xff000000UL)
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#define S3ADDR_CRC (0xff100000UL)
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#define S3ADDR_INFO (0xff200000UL)
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#define S3ADDR_START (0xff400000UL)
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#define CHUNKS_MAX 100
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#define WRITESIZE_MAX 4096
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/*================================================================*/
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/* Local Types */
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typedef struct s3datarec {
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u32 len;
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u32 addr;
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u8 checksum;
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u8 *data;
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} s3datarec_t;
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typedef struct s3plugrec {
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u32 itemcode;
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u32 addr;
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u32 len;
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} s3plugrec_t;
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typedef struct s3crcrec {
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u32 addr;
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u32 len;
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unsigned int dowrite;
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} s3crcrec_t;
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typedef struct s3inforec {
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u16 len;
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u16 type;
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union {
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hfa384x_compident_t version;
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hfa384x_caplevel_t compat;
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u16 buildseq;
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hfa384x_compident_t platform;
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} info;
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} s3inforec_t;
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typedef struct pda {
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u8 buf[HFA384x_PDA_LEN_MAX];
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hfa384x_pdrec_t *rec[HFA384x_PDA_RECS_MAX];
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unsigned int nrec;
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} pda_t;
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typedef struct imgchunk {
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u32 addr; /* start address */
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u32 len; /* in bytes */
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u16 crc; /* CRC value (if it falls at a chunk boundary) */
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u8 *data;
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} imgchunk_t;
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/*================================================================*/
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/* Local Static Definitions */
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/*----------------------------------------------------------------*/
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/* s-record image processing */
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/* Data records */
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unsigned int ns3data;
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s3datarec_t s3data[S3DATA_MAX];
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/* Plug records */
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unsigned int ns3plug;
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s3plugrec_t s3plug[S3PLUG_MAX];
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/* CRC records */
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unsigned int ns3crc;
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s3crcrec_t s3crc[S3CRC_MAX];
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/* Info records */
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unsigned int ns3info;
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s3inforec_t s3info[S3INFO_MAX];
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/* S7 record (there _better_ be only one) */
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u32 startaddr;
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/* Load image chunks */
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unsigned int nfchunks;
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imgchunk_t fchunk[CHUNKS_MAX];
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/* Note that for the following pdrec_t arrays, the len and code */
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/* fields are stored in HOST byte order. The mkpdrlist() function */
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/* does the conversion. */
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/*----------------------------------------------------------------*/
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/* PDA, built from [card|newfile]+[addfile1+addfile2...] */
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pda_t pda;
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hfa384x_compident_t nicid;
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hfa384x_caplevel_t rfid;
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hfa384x_caplevel_t macid;
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hfa384x_caplevel_t priid;
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/*================================================================*/
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/* Local Function Declarations */
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int prism2_fwapply(const struct ihex_binrec *rfptr, wlandevice_t *wlandev);
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int read_fwfile(const struct ihex_binrec *rfptr);
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int mkimage(imgchunk_t *clist, unsigned int *ccnt);
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int read_cardpda(pda_t *pda, wlandevice_t *wlandev);
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int mkpdrlist(pda_t *pda);
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int plugimage(imgchunk_t *fchunk, unsigned int nfchunks,
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s3plugrec_t *s3plug, unsigned int ns3plug, pda_t * pda);
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int crcimage(imgchunk_t *fchunk, unsigned int nfchunks,
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s3crcrec_t *s3crc, unsigned int ns3crc);
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int writeimage(wlandevice_t *wlandev, imgchunk_t *fchunk,
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unsigned int nfchunks);
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void free_chunks(imgchunk_t *fchunk, unsigned int *nfchunks);
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void free_srecs(void);
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int validate_identity(void);
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/*================================================================*/
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/* Function Definitions */
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/*----------------------------------------------------------------
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* prism2_fwtry
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*
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* Try and get firmware into memory
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*
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* Arguments:
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* udev usb device structure
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* wlandev wlan device structure
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*
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* Returns:
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* 0 - success
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* ~0 - failure
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----------------------------------------------------------------*/
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int prism2_fwtry(struct usb_device *udev, wlandevice_t *wlandev)
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{
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const struct firmware *fw_entry = NULL;
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printk(KERN_INFO "prism2_usb: Checking for firmware %s\n",
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PRISM2_USB_FWFILE);
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if (request_ihex_firmware(&fw_entry, PRISM2_USB_FWFILE, &udev->dev) != 0) {
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printk(KERN_INFO
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"prism2_usb: Firmware not available, but not essential\n");
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printk(KERN_INFO
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"prism2_usb: can continue to use card anyway.\n");
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return 1;
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}
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printk(KERN_INFO "prism2_usb: %s will be processed, size %d\n",
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PRISM2_USB_FWFILE, fw_entry->size);
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prism2_fwapply((const struct ihex_binrec *)fw_entry->data, wlandev);
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release_firmware(fw_entry);
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return 0;
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}
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/*----------------------------------------------------------------
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* prism2_fwapply
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*
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* Apply the firmware loaded into memory
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*
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* Arguments:
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* rfptr firmware image in kernel memory
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* wlandev device
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*
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* Returns:
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* 0 - success
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* ~0 - failure
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----------------------------------------------------------------*/
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int prism2_fwapply(const struct ihex_binrec *rfptr, wlandevice_t *wlandev)
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{
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signed int result = 0;
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p80211msg_dot11req_mibget_t getmsg;
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p80211itemd_t *item;
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u32 *data;
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/* Initialize the data structures */
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ns3data = 0;
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memset(s3data, 0, sizeof(s3data));
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ns3plug = 0;
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memset(s3plug, 0, sizeof(s3plug));
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ns3crc = 0;
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memset(s3crc, 0, sizeof(s3crc));
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ns3info = 0;
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memset(s3info, 0, sizeof(s3info));
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startaddr = 0;
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nfchunks = 0;
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memset(fchunk, 0, sizeof(fchunk));
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memset(&nicid, 0, sizeof(nicid));
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memset(&rfid, 0, sizeof(rfid));
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memset(&macid, 0, sizeof(macid));
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memset(&priid, 0, sizeof(priid));
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/* clear the pda and add an initial END record */
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memset(&pda, 0, sizeof(pda));
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pda.rec[0] = (hfa384x_pdrec_t *) pda.buf;
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pda.rec[0]->len = cpu_to_le16(2); /* len in words *//* len in words */
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pda.rec[0]->code = cpu_to_le16(HFA384x_PDR_END_OF_PDA);
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pda.nrec = 1;
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/*-----------------------------------------------------*/
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/* Put card into fwload state */
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prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload);
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/* Build the PDA we're going to use. */
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if (read_cardpda(&pda, wlandev)) {
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printk(KERN_ERR "load_cardpda failed, exiting.\n");
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return (1);
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}
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/* read the card's PRI-SUP */
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memset(&getmsg, 0, sizeof(getmsg));
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getmsg.msgcode = DIDmsg_dot11req_mibget;
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getmsg.msglen = sizeof(getmsg);
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strcpy(getmsg.devname, wlandev->name);
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getmsg.mibattribute.did = DIDmsg_dot11req_mibget_mibattribute;
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getmsg.mibattribute.status = P80211ENUM_msgitem_status_data_ok;
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getmsg.resultcode.did = DIDmsg_dot11req_mibget_resultcode;
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getmsg.resultcode.status = P80211ENUM_msgitem_status_no_value;
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item = (p80211itemd_t *) getmsg.mibattribute.data;
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item->did = DIDmib_p2_p2NIC_p2PRISupRange;
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item->status = P80211ENUM_msgitem_status_no_value;
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data = (u32 *) item->data;
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/* DIDmsg_dot11req_mibget */
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prism2mgmt_mibset_mibget(wlandev, &getmsg);
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if (getmsg.resultcode.data != P80211ENUM_resultcode_success) {
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printk(KERN_ERR "Couldn't fetch PRI-SUP info\n");
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}
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/* Already in host order */
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priid.role = *data++;
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priid.id = *data++;
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priid.variant = *data++;
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priid.bottom = *data++;
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priid.top = *data++;
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/* Read the S3 file */
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result = read_fwfile(rfptr);
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if (result) {
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printk(KERN_ERR "Failed to read the data exiting.\n");
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return (1);
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}
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result = validate_identity();
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if (result) {
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printk(KERN_ERR "Incompatible firmware image.\n");
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return (1);
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}
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if (startaddr == 0x00000000) {
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printk(KERN_ERR "Can't RAM download a Flash image!\n");
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return (1);
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}
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/* Make the image chunks */
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result = mkimage(fchunk, &nfchunks);
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/* Do any plugging */
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result = plugimage(fchunk, nfchunks, s3plug, ns3plug, &pda);
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if (result) {
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printk(KERN_ERR "Failed to plug data.\n");
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return (1);
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}
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/* Insert any CRCs */
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if (crcimage(fchunk, nfchunks, s3crc, ns3crc)) {
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printk(KERN_ERR "Failed to insert all CRCs\n");
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return (1);
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}
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/* Write the image */
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result = writeimage(wlandev, fchunk, nfchunks);
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if (result) {
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printk(KERN_ERR "Failed to ramwrite image data.\n");
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return (1);
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}
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/* clear any allocated memory */
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free_chunks(fchunk, &nfchunks);
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free_srecs();
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printk(KERN_INFO "prism2_usb: firmware loading finished.\n");
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return result;
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}
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/*----------------------------------------------------------------
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* crcimage
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*
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* Adds a CRC16 in the two bytes prior to each block identified by
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* an S3 CRC record. Currently, we don't actually do a CRC we just
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* insert the value 0xC0DE in hfa384x order.
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*
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* Arguments:
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* fchunk Array of image chunks
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* nfchunks Number of image chunks
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* s3crc Array of crc records
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* ns3crc Number of crc records
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*
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* Returns:
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* 0 success
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* ~0 failure
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----------------------------------------------------------------*/
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int crcimage(imgchunk_t *fchunk, unsigned int nfchunks, s3crcrec_t *s3crc,
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unsigned int ns3crc)
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{
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int result = 0;
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int i;
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int c;
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u32 crcstart;
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u32 crcend;
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u32 cstart = 0;
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u32 cend;
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u8 *dest;
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u32 chunkoff;
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for (i = 0; i < ns3crc; i++) {
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if (!s3crc[i].dowrite)
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continue;
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crcstart = s3crc[i].addr;
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crcend = s3crc[i].addr + s3crc[i].len;
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/* Find chunk */
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for (c = 0; c < nfchunks; c++) {
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cstart = fchunk[c].addr;
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cend = fchunk[c].addr + fchunk[c].len;
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/* the line below does an address & len match search */
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/* unfortunately, I've found that the len fields of */
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/* some crc records don't match with the length of */
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/* the actual data, so we're not checking right */
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/* now */
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/* if ( crcstart-2 >= cstart && crcend <= cend ) break; */
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/* note the -2 below, it's to make sure the chunk has */
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/* space for the CRC value */
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if (crcstart - 2 >= cstart && crcstart < cend)
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break;
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}
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if (c >= nfchunks) {
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printk(KERN_ERR
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"Failed to find chunk for "
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"crcrec[%d], addr=0x%06x len=%d , "
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"aborting crc.\n",
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i, s3crc[i].addr, s3crc[i].len);
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return 1;
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}
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/* Insert crc */
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pr_debug("Adding crc @ 0x%06x\n", s3crc[i].addr - 2);
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chunkoff = crcstart - cstart - 2;
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dest = fchunk[c].data + chunkoff;
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*dest = 0xde;
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*(dest + 1) = 0xc0;
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}
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return result;
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}
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/*----------------------------------------------------------------
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* free_chunks
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*
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* Clears the chunklist data structures in preparation for a new file.
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*
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* Arguments:
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* none
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*
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* Returns:
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* nothing
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----------------------------------------------------------------*/
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void free_chunks(imgchunk_t *fchunk, unsigned int *nfchunks)
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{
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int i;
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for (i = 0; i < *nfchunks; i++) {
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if (fchunk[i].data != NULL) {
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kfree(fchunk[i].data);
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}
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}
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*nfchunks = 0;
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memset(fchunk, 0, sizeof(fchunk));
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}
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/*----------------------------------------------------------------
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* free_srecs
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*
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* Clears the srec data structures in preparation for a new file.
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*
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* Arguments:
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* none
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*
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* Returns:
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* nothing
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----------------------------------------------------------------*/
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void free_srecs(void)
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{
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ns3data = 0;
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memset(s3data, 0, sizeof(s3data));
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ns3plug = 0;
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memset(s3plug, 0, sizeof(s3plug));
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ns3crc = 0;
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memset(s3crc, 0, sizeof(s3crc));
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ns3info = 0;
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memset(s3info, 0, sizeof(s3info));
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startaddr = 0;
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}
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/*----------------------------------------------------------------
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* mkimage
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*
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* Scans the currently loaded set of S records for data residing
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* in contiguous memory regions. Each contiguous region is then
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* made into a 'chunk'. This function assumes that we're building
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* a new chunk list. Assumes the s3data items are in sorted order.
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*
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* Arguments: none
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*
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* Returns:
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* 0 - success
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* ~0 - failure (probably an errno)
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----------------------------------------------------------------*/
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int mkimage(imgchunk_t *clist, unsigned int *ccnt)
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{
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int result = 0;
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int i;
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int j;
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int currchunk = 0;
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u32 nextaddr = 0;
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u32 s3start;
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u32 s3end;
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u32 cstart = 0;
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u32 cend;
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u32 coffset;
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/* There may already be data in the chunklist */
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*ccnt = 0;
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/* Establish the location and size of each chunk */
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for (i = 0; i < ns3data; i++) {
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if (s3data[i].addr == nextaddr) {
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/* existing chunk, grow it */
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clist[currchunk].len += s3data[i].len;
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nextaddr += s3data[i].len;
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} else {
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/* New chunk */
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(*ccnt)++;
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currchunk = *ccnt - 1;
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clist[currchunk].addr = s3data[i].addr;
|
|
clist[currchunk].len = s3data[i].len;
|
|
nextaddr = s3data[i].addr + s3data[i].len;
|
|
/* Expand the chunk if there is a CRC record at */
|
|
/* their beginning bound */
|
|
for (j = 0; j < ns3crc; j++) {
|
|
if (s3crc[j].dowrite &&
|
|
s3crc[j].addr == clist[currchunk].addr) {
|
|
clist[currchunk].addr -= 2;
|
|
clist[currchunk].len += 2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* We're currently assuming there aren't any overlapping chunks */
|
|
/* if this proves false, we'll need to add code to coalesce. */
|
|
|
|
/* Allocate buffer space for chunks */
|
|
for (i = 0; i < *ccnt; i++) {
|
|
clist[i].data = kmalloc(clist[i].len, GFP_KERNEL);
|
|
if (clist[i].data == NULL) {
|
|
printk(KERN_ERR
|
|
"failed to allocate image space, exitting.\n");
|
|
return (1);
|
|
}
|
|
memset(clist[i].data, 0, clist[i].len);
|
|
pr_debug("chunk[%d]: addr=0x%06x len=%d\n",
|
|
i, clist[i].addr, clist[i].len);
|
|
}
|
|
|
|
/* Copy srec data to chunks */
|
|
for (i = 0; i < ns3data; i++) {
|
|
s3start = s3data[i].addr;
|
|
s3end = s3start + s3data[i].len - 1;
|
|
for (j = 0; j < *ccnt; j++) {
|
|
cstart = clist[j].addr;
|
|
cend = cstart + clist[j].len - 1;
|
|
if (s3start >= cstart && s3end <= cend) {
|
|
break;
|
|
}
|
|
}
|
|
if (((unsigned int)j) >= (*ccnt)) {
|
|
printk(KERN_ERR
|
|
"s3rec(a=0x%06x,l=%d), no chunk match, exiting.\n",
|
|
s3start, s3data[i].len);
|
|
return (1);
|
|
}
|
|
coffset = s3start - cstart;
|
|
memcpy(clist[j].data + coffset, s3data[i].data, s3data[i].len);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/*----------------------------------------------------------------
|
|
* mkpdrlist
|
|
*
|
|
* Reads a raw PDA and builds an array of pdrec_t structures.
|
|
*
|
|
* Arguments:
|
|
* pda buffer containing raw PDA bytes
|
|
* pdrec ptr to an array of pdrec_t's. Will be filled on exit.
|
|
* nrec ptr to a variable that will contain the count of PDRs
|
|
*
|
|
* Returns:
|
|
* 0 - success
|
|
* ~0 - failure (probably an errno)
|
|
----------------------------------------------------------------*/
|
|
int mkpdrlist(pda_t *pda)
|
|
{
|
|
int result = 0;
|
|
u16 *pda16 = (u16 *) pda->buf;
|
|
int curroff; /* in 'words' */
|
|
|
|
pda->nrec = 0;
|
|
curroff = 0;
|
|
while (curroff < (HFA384x_PDA_LEN_MAX / 2) &&
|
|
le16_to_cpu(pda16[curroff + 1]) != HFA384x_PDR_END_OF_PDA) {
|
|
pda->rec[pda->nrec] = (hfa384x_pdrec_t *) & (pda16[curroff]);
|
|
|
|
if (le16_to_cpu(pda->rec[pda->nrec]->code) == HFA384x_PDR_NICID) {
|
|
memcpy(&nicid, &pda->rec[pda->nrec]->data.nicid,
|
|
sizeof(nicid));
|
|
nicid.id = le16_to_cpu(nicid.id);
|
|
nicid.variant = le16_to_cpu(nicid.variant);
|
|
nicid.major = le16_to_cpu(nicid.major);
|
|
nicid.minor = le16_to_cpu(nicid.minor);
|
|
}
|
|
if (le16_to_cpu(pda->rec[pda->nrec]->code) ==
|
|
HFA384x_PDR_MFISUPRANGE) {
|
|
memcpy(&rfid, &pda->rec[pda->nrec]->data.mfisuprange,
|
|
sizeof(rfid));
|
|
rfid.id = le16_to_cpu(rfid.id);
|
|
rfid.variant = le16_to_cpu(rfid.variant);
|
|
rfid.bottom = le16_to_cpu(rfid.bottom);
|
|
rfid.top = le16_to_cpu(rfid.top);
|
|
}
|
|
if (le16_to_cpu(pda->rec[pda->nrec]->code) ==
|
|
HFA384x_PDR_CFISUPRANGE) {
|
|
memcpy(&macid, &pda->rec[pda->nrec]->data.cfisuprange,
|
|
sizeof(macid));
|
|
macid.id = le16_to_cpu(macid.id);
|
|
macid.variant = le16_to_cpu(macid.variant);
|
|
macid.bottom = le16_to_cpu(macid.bottom);
|
|
macid.top = le16_to_cpu(macid.top);
|
|
}
|
|
|
|
(pda->nrec)++;
|
|
curroff += le16_to_cpu(pda16[curroff]) + 1;
|
|
|
|
}
|
|
if (curroff >= (HFA384x_PDA_LEN_MAX / 2)) {
|
|
printk(KERN_ERR
|
|
"no end record found or invalid lengths in "
|
|
"PDR data, exiting. %x %d\n", curroff, pda->nrec);
|
|
return (1);
|
|
}
|
|
if (le16_to_cpu(pda16[curroff + 1]) == HFA384x_PDR_END_OF_PDA) {
|
|
pda->rec[pda->nrec] = (hfa384x_pdrec_t *) & (pda16[curroff]);
|
|
(pda->nrec)++;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/*----------------------------------------------------------------
|
|
* plugimage
|
|
*
|
|
* Plugs the given image using the given plug records from the given
|
|
* PDA and filename.
|
|
*
|
|
* Arguments:
|
|
* fchunk Array of image chunks
|
|
* nfchunks Number of image chunks
|
|
* s3plug Array of plug records
|
|
* ns3plug Number of plug records
|
|
* pda Current pda data
|
|
*
|
|
* Returns:
|
|
* 0 success
|
|
* ~0 failure
|
|
----------------------------------------------------------------*/
|
|
int plugimage(imgchunk_t *fchunk, unsigned int nfchunks,
|
|
s3plugrec_t *s3plug, unsigned int ns3plug, pda_t * pda)
|
|
{
|
|
int result = 0;
|
|
int i; /* plug index */
|
|
int j; /* index of PDR or -1 if fname plug */
|
|
int c; /* chunk index */
|
|
u32 pstart;
|
|
u32 pend;
|
|
u32 cstart = 0;
|
|
u32 cend;
|
|
u32 chunkoff;
|
|
u8 *dest;
|
|
|
|
/* for each plug record */
|
|
for (i = 0; i < ns3plug; i++) {
|
|
pstart = s3plug[i].addr;
|
|
pend = s3plug[i].addr + s3plug[i].len;
|
|
/* find the matching PDR (or filename) */
|
|
if (s3plug[i].itemcode != 0xffffffffUL) { /* not filename */
|
|
for (j = 0; j < pda->nrec; j++) {
|
|
if (s3plug[i].itemcode ==
|
|
le16_to_cpu(pda->rec[j]->code))
|
|
break;
|
|
}
|
|
} else {
|
|
j = -1;
|
|
}
|
|
if (j >= pda->nrec && j != -1) { /* if no matching PDR, fail */
|
|
printk(KERN_WARNING
|
|
"warning: Failed to find PDR for "
|
|
"plugrec 0x%04x.\n", s3plug[i].itemcode);
|
|
continue; /* and move on to the next PDR */
|
|
#if 0
|
|
/* MSM: They swear that unless it's the MAC address,
|
|
* the serial number, or the TX calibration records,
|
|
* then there's reasonable defaults in the f/w
|
|
* image. Therefore, missing PDRs in the card
|
|
* should only be a warning, not fatal.
|
|
* TODO: add fatals for the PDRs mentioned above.
|
|
*/
|
|
result = 1;
|
|
continue;
|
|
#endif
|
|
}
|
|
|
|
/* Validate plug len against PDR len */
|
|
if (j != -1 && s3plug[i].len < le16_to_cpu(pda->rec[j]->len)) {
|
|
printk(KERN_ERR
|
|
"error: Plug vs. PDR len mismatch for "
|
|
"plugrec 0x%04x, abort plugging.\n",
|
|
s3plug[i].itemcode);
|
|
result = 1;
|
|
continue;
|
|
}
|
|
|
|
/* Validate plug address against chunk data and identify chunk */
|
|
for (c = 0; c < nfchunks; c++) {
|
|
cstart = fchunk[c].addr;
|
|
cend = fchunk[c].addr + fchunk[c].len;
|
|
if (pstart >= cstart && pend <= cend)
|
|
break;
|
|
}
|
|
if (c >= nfchunks) {
|
|
printk(KERN_ERR
|
|
"error: Failed to find image chunk for "
|
|
"plugrec 0x%04x.\n", s3plug[i].itemcode);
|
|
result = 1;
|
|
continue;
|
|
}
|
|
|
|
/* Plug data */
|
|
chunkoff = pstart - cstart;
|
|
dest = fchunk[c].data + chunkoff;
|
|
pr_debug("Plugging item 0x%04x @ 0x%06x, len=%d, "
|
|
"cnum=%d coff=0x%06x\n",
|
|
s3plug[i].itemcode, pstart, s3plug[i].len,
|
|
c, chunkoff);
|
|
|
|
if (j == -1) { /* plug the filename */
|
|
memset(dest, 0, s3plug[i].len);
|
|
strncpy(dest, PRISM2_USB_FWFILE, s3plug[i].len - 1);
|
|
} else { /* plug a PDR */
|
|
memcpy(dest, &(pda->rec[j]->data), s3plug[i].len);
|
|
}
|
|
}
|
|
return result;
|
|
|
|
}
|
|
|
|
/*----------------------------------------------------------------
|
|
* read_cardpda
|
|
*
|
|
* Sends the command for the driver to read the pda from the card
|
|
* named in the device variable. Upon success, the card pda is
|
|
* stored in the "cardpda" variables. Note that the pda structure
|
|
* is considered 'well formed' after this function. That means
|
|
* that the nrecs is valid, the rec array has been set up, and there's
|
|
* a valid PDAEND record in the raw PDA data.
|
|
*
|
|
* Arguments:
|
|
* pda pda structure
|
|
* wlandev device
|
|
*
|
|
* Returns:
|
|
* 0 - success
|
|
* ~0 - failure (probably an errno)
|
|
----------------------------------------------------------------*/
|
|
int read_cardpda(pda_t *pda, wlandevice_t *wlandev)
|
|
{
|
|
int result = 0;
|
|
p80211msg_p2req_readpda_t msg;
|
|
|
|
/* set up the msg */
|
|
msg.msgcode = DIDmsg_p2req_readpda;
|
|
msg.msglen = sizeof(msg);
|
|
strcpy(msg.devname, wlandev->name);
|
|
msg.pda.did = DIDmsg_p2req_readpda_pda;
|
|
msg.pda.len = HFA384x_PDA_LEN_MAX;
|
|
msg.pda.status = P80211ENUM_msgitem_status_no_value;
|
|
msg.resultcode.did = DIDmsg_p2req_readpda_resultcode;
|
|
msg.resultcode.len = sizeof(u32);
|
|
msg.resultcode.status = P80211ENUM_msgitem_status_no_value;
|
|
|
|
if (prism2mgmt_readpda(wlandev, &msg) != 0) {
|
|
/* prism2mgmt_readpda prints an errno if appropriate */
|
|
result = -1;
|
|
} else if (msg.resultcode.data == P80211ENUM_resultcode_success) {
|
|
memcpy(pda->buf, msg.pda.data, HFA384x_PDA_LEN_MAX);
|
|
result = mkpdrlist(pda);
|
|
} else {
|
|
/* resultcode must've been something other than success */
|
|
result = -1;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/*----------------------------------------------------------------
|
|
* read_fwfile
|
|
*
|
|
* Reads the given fw file which should have been compiled from an srec
|
|
* file. Each record in the fw file will either be a plain data record,
|
|
* a start address record, or other records used for plugging.
|
|
*
|
|
* Note that data records are expected to be sorted into
|
|
* ascending address order in the fw file.
|
|
*
|
|
* Note also that the start address record, originally an S7 record in
|
|
* the srec file, is expected in the fw file to be like a data record but
|
|
* with a certain address to make it identiable.
|
|
*
|
|
* Here's the SREC format that the fw should have come from:
|
|
* S[37]nnaaaaaaaaddd...dddcc
|
|
*
|
|
* nn - number of bytes starting with the address field
|
|
* aaaaaaaa - address in readable (or big endian) format
|
|
* dd....dd - 0-245 data bytes (two chars per byte)
|
|
* cc - checksum
|
|
*
|
|
* The S7 record's (there should be only one) address value gets
|
|
* converted to an S3 record with address of 0xff400000, with the
|
|
* start address being stored as a 4 byte data word. That address is
|
|
* the start execution address used for RAM downloads.
|
|
*
|
|
* The S3 records have a collection of subformats indicated by the
|
|
* value of aaaaaaaa:
|
|
* 0xff000000 - Plug record, data field format:
|
|
* xxxxxxxxaaaaaaaassssssss
|
|
* x - PDR code number (little endian)
|
|
* a - Address in load image to plug (little endian)
|
|
* s - Length of plug data area (little endian)
|
|
*
|
|
* 0xff100000 - CRC16 generation record, data field format:
|
|
* aaaaaaaassssssssbbbbbbbb
|
|
* a - Start address for CRC calculation (little endian)
|
|
* s - Length of data to calculate over (little endian)
|
|
* b - Boolean, true=write crc, false=don't write
|
|
*
|
|
* 0xff200000 - Info record, data field format:
|
|
* ssssttttdd..dd
|
|
* s - Size in words (little endian)
|
|
* t - Info type (little endian), see #defines and
|
|
* s3inforec_t for details about types.
|
|
* d - (s - 1) little endian words giving the contents of
|
|
* the given info type.
|
|
*
|
|
* 0xff400000 - Start address record, data field format:
|
|
* aaaaaaaa
|
|
* a - Address in load image to plug (little endian)
|
|
*
|
|
* Arguments:
|
|
* record firmware image (ihex record structure) in kernel memory
|
|
*
|
|
* Returns:
|
|
* 0 - success
|
|
* ~0 - failure (probably an errno)
|
|
----------------------------------------------------------------*/
|
|
int read_fwfile(const struct ihex_binrec *record)
|
|
{
|
|
int i;
|
|
int rcnt = 0;
|
|
u16 *tmpinfo;
|
|
u16 *ptr16;
|
|
u32 *ptr32, len, addr;
|
|
|
|
pr_debug("Reading fw file ...\n");
|
|
|
|
while (record) {
|
|
|
|
rcnt++;
|
|
|
|
len = be16_to_cpu(record->len);
|
|
addr = be32_to_cpu(record->addr);
|
|
|
|
/* Point into data for different word lengths */
|
|
ptr32 = (u32 *) record->data;
|
|
ptr16 = (u16 *) record->data;
|
|
|
|
/* parse what was an S3 srec and put it in the right array */
|
|
switch(addr) {
|
|
case S3ADDR_START:
|
|
startaddr = *ptr32;
|
|
pr_debug(" S7 start addr, record=%d "
|
|
" addr=0x%08x\n",
|
|
rcnt,
|
|
startaddr);
|
|
break;
|
|
case S3ADDR_PLUG:
|
|
s3plug[ns3plug].itemcode = *ptr32;
|
|
s3plug[ns3plug].addr = *(ptr32 + 1);
|
|
s3plug[ns3plug].len = *(ptr32 + 2);
|
|
|
|
pr_debug(" S3 plugrec, record=%d "
|
|
"itemcode=0x%08x addr=0x%08x len=%d\n",
|
|
rcnt,
|
|
s3plug[ns3plug].itemcode,
|
|
s3plug[ns3plug].addr,
|
|
s3plug[ns3plug].len);
|
|
|
|
ns3plug++;
|
|
if ( ns3plug == S3PLUG_MAX ) {
|
|
printk(KERN_ERR "S3 plugrec limit reached - aborting\n");
|
|
return 1;
|
|
}
|
|
break;
|
|
case S3ADDR_CRC:
|
|
s3crc[ns3crc].addr = *ptr32;
|
|
s3crc[ns3crc].len = *(ptr32 + 1);
|
|
s3crc[ns3crc].dowrite = *(ptr32 + 2);
|
|
|
|
pr_debug(" S3 crcrec, record=%d "
|
|
"addr=0x%08x len=%d write=0x%08x\n",
|
|
rcnt,
|
|
s3crc[ns3crc].addr,
|
|
s3crc[ns3crc].len,
|
|
s3crc[ns3crc].dowrite);
|
|
ns3crc++;
|
|
if ( ns3crc == S3CRC_MAX ) {
|
|
printk(KERN_ERR "S3 crcrec limit reached - aborting\n");
|
|
return 1;
|
|
}
|
|
break;
|
|
case S3ADDR_INFO:
|
|
s3info[ns3info].len = *ptr16;
|
|
s3info[ns3info].type = *(ptr16 + 1);
|
|
|
|
pr_debug(" S3 inforec, record=%d "
|
|
"len=0x%04x type=0x%04x\n",
|
|
rcnt,
|
|
s3info[ns3info].len,
|
|
s3info[ns3info].type);
|
|
if ( ((s3info[ns3info].len - 1) * sizeof(u16)) > sizeof(s3info[ns3info].info) ) {
|
|
printk(KERN_ERR " S3 inforec length too long - aborting\n");
|
|
return 1;
|
|
}
|
|
|
|
tmpinfo = (u16*)&(s3info[ns3info].info.version);
|
|
pr_debug(" info=");
|
|
for (i = 0; i < s3info[ns3info].len - 1; i++) {
|
|
tmpinfo[i] = *(ptr16 + 2 + i);
|
|
pr_debug("%04x ", tmpinfo[i]);
|
|
}
|
|
pr_debug("\n");
|
|
|
|
ns3info++;
|
|
if ( ns3info == S3INFO_MAX ) {
|
|
printk(KERN_ERR "S3 inforec limit reached - aborting\n");
|
|
return 1;
|
|
}
|
|
break;
|
|
default: /* Data record */
|
|
s3data[ns3data].addr = addr;
|
|
s3data[ns3data].len = len;
|
|
s3data[ns3data].data = (uint8_t *) record->data;
|
|
ns3data++;
|
|
if ( ns3data == S3DATA_MAX ) {
|
|
printk(KERN_ERR "S3 datarec limit reached - aborting\n");
|
|
return 1;
|
|
}
|
|
break;
|
|
}
|
|
record = ihex_next_binrec(record);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*----------------------------------------------------------------
|
|
* writeimage
|
|
*
|
|
* Takes the chunks, builds p80211 messages and sends them down
|
|
* to the driver for writing to the card.
|
|
*
|
|
* Arguments:
|
|
* wlandev device
|
|
* fchunk Array of image chunks
|
|
* nfchunks Number of image chunks
|
|
*
|
|
* Returns:
|
|
* 0 success
|
|
* ~0 failure
|
|
----------------------------------------------------------------*/
|
|
int writeimage(wlandevice_t *wlandev, imgchunk_t *fchunk,
|
|
unsigned int nfchunks)
|
|
{
|
|
int result = 0;
|
|
p80211msg_p2req_ramdl_state_t rstatemsg;
|
|
p80211msg_p2req_ramdl_write_t rwritemsg;
|
|
p80211msg_t *msgp;
|
|
u32 resultcode;
|
|
int i;
|
|
int j;
|
|
unsigned int nwrites;
|
|
u32 curroff;
|
|
u32 currlen;
|
|
u32 currdaddr;
|
|
|
|
/* Initialize the messages */
|
|
memset(&rstatemsg, 0, sizeof(rstatemsg));
|
|
strcpy(rstatemsg.devname, wlandev->name);
|
|
rstatemsg.msgcode = DIDmsg_p2req_ramdl_state;
|
|
rstatemsg.msglen = sizeof(rstatemsg);
|
|
rstatemsg.enable.did = DIDmsg_p2req_ramdl_state_enable;
|
|
rstatemsg.exeaddr.did = DIDmsg_p2req_ramdl_state_exeaddr;
|
|
rstatemsg.resultcode.did = DIDmsg_p2req_ramdl_state_resultcode;
|
|
rstatemsg.enable.status = P80211ENUM_msgitem_status_data_ok;
|
|
rstatemsg.exeaddr.status = P80211ENUM_msgitem_status_data_ok;
|
|
rstatemsg.resultcode.status = P80211ENUM_msgitem_status_no_value;
|
|
rstatemsg.enable.len = sizeof(u32);
|
|
rstatemsg.exeaddr.len = sizeof(u32);
|
|
rstatemsg.resultcode.len = sizeof(u32);
|
|
|
|
memset(&rwritemsg, 0, sizeof(rwritemsg));
|
|
strcpy(rwritemsg.devname, wlandev->name);
|
|
rwritemsg.msgcode = DIDmsg_p2req_ramdl_write;
|
|
rwritemsg.msglen = sizeof(rwritemsg);
|
|
rwritemsg.addr.did = DIDmsg_p2req_ramdl_write_addr;
|
|
rwritemsg.len.did = DIDmsg_p2req_ramdl_write_len;
|
|
rwritemsg.data.did = DIDmsg_p2req_ramdl_write_data;
|
|
rwritemsg.resultcode.did = DIDmsg_p2req_ramdl_write_resultcode;
|
|
rwritemsg.addr.status = P80211ENUM_msgitem_status_data_ok;
|
|
rwritemsg.len.status = P80211ENUM_msgitem_status_data_ok;
|
|
rwritemsg.data.status = P80211ENUM_msgitem_status_data_ok;
|
|
rwritemsg.resultcode.status = P80211ENUM_msgitem_status_no_value;
|
|
rwritemsg.addr.len = sizeof(u32);
|
|
rwritemsg.len.len = sizeof(u32);
|
|
rwritemsg.data.len = WRITESIZE_MAX;
|
|
rwritemsg.resultcode.len = sizeof(u32);
|
|
|
|
/* Send xxx_state(enable) */
|
|
pr_debug("Sending dl_state(enable) message.\n");
|
|
rstatemsg.enable.data = P80211ENUM_truth_true;
|
|
rstatemsg.exeaddr.data = startaddr;
|
|
|
|
msgp = (p80211msg_t *) & rstatemsg;
|
|
result = prism2mgmt_ramdl_state(wlandev, msgp);
|
|
if (result) {
|
|
printk(KERN_ERR
|
|
"writeimage state enable failed w/ result=%d, "
|
|
"aborting download\n", result);
|
|
return result;
|
|
}
|
|
resultcode = rstatemsg.resultcode.data;
|
|
if (resultcode != P80211ENUM_resultcode_success) {
|
|
printk(KERN_ERR
|
|
"writeimage()->xxxdl_state msg indicates failure, "
|
|
"w/ resultcode=%d, aborting download.\n", resultcode);
|
|
return 1;
|
|
}
|
|
|
|
/* Now, loop through the data chunks and send WRITESIZE_MAX data */
|
|
for (i = 0; i < nfchunks; i++) {
|
|
nwrites = fchunk[i].len / WRITESIZE_MAX;
|
|
nwrites += (fchunk[i].len % WRITESIZE_MAX) ? 1 : 0;
|
|
curroff = 0;
|
|
for (j = 0; j < nwrites; j++) {
|
|
currlen =
|
|
(fchunk[i].len - (WRITESIZE_MAX * j)) >
|
|
WRITESIZE_MAX ? WRITESIZE_MAX : (fchunk[i].len -
|
|
(WRITESIZE_MAX *
|
|
j));
|
|
curroff = j * WRITESIZE_MAX;
|
|
currdaddr = fchunk[i].addr + curroff;
|
|
/* Setup the message */
|
|
rwritemsg.addr.data = currdaddr;
|
|
rwritemsg.len.data = currlen;
|
|
memcpy(rwritemsg.data.data,
|
|
fchunk[i].data + curroff, currlen);
|
|
|
|
/* Send flashdl_write(pda) */
|
|
pr_debug
|
|
("Sending xxxdl_write message addr=%06x len=%d.\n",
|
|
currdaddr, currlen);
|
|
|
|
msgp = (p80211msg_t *) & rwritemsg;
|
|
result = prism2mgmt_ramdl_write(wlandev, msgp);
|
|
|
|
/* Check the results */
|
|
if (result) {
|
|
printk(KERN_ERR
|
|
"writeimage chunk write failed w/ result=%d, "
|
|
"aborting download\n", result);
|
|
return result;
|
|
}
|
|
resultcode = rstatemsg.resultcode.data;
|
|
if (resultcode != P80211ENUM_resultcode_success) {
|
|
printk(KERN_ERR
|
|
"writeimage()->xxxdl_write msg indicates failure, "
|
|
"w/ resultcode=%d, aborting download.\n",
|
|
resultcode);
|
|
return 1;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
/* Send xxx_state(disable) */
|
|
pr_debug("Sending dl_state(disable) message.\n");
|
|
rstatemsg.enable.data = P80211ENUM_truth_false;
|
|
rstatemsg.exeaddr.data = 0;
|
|
|
|
msgp = (p80211msg_t *) & rstatemsg;
|
|
result = prism2mgmt_ramdl_state(wlandev, msgp);
|
|
if (result) {
|
|
printk(KERN_ERR
|
|
"writeimage state disable failed w/ result=%d, "
|
|
"aborting download\n", result);
|
|
return result;
|
|
}
|
|
resultcode = rstatemsg.resultcode.data;
|
|
if (resultcode != P80211ENUM_resultcode_success) {
|
|
printk(KERN_ERR
|
|
"writeimage()->xxxdl_state msg indicates failure, "
|
|
"w/ resultcode=%d, aborting download.\n", resultcode);
|
|
return 1;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
int validate_identity(void)
|
|
{
|
|
int i;
|
|
int result = 1;
|
|
int trump = 0;
|
|
|
|
pr_debug("NIC ID: %#x v%d.%d.%d\n",
|
|
nicid.id, nicid.major, nicid.minor, nicid.variant);
|
|
pr_debug("MFI ID: %#x v%d %d->%d\n",
|
|
rfid.id, rfid.variant, rfid.bottom, rfid.top);
|
|
pr_debug("CFI ID: %#x v%d %d->%d\n",
|
|
macid.id, macid.variant, macid.bottom, macid.top);
|
|
pr_debug("PRI ID: %#x v%d %d->%d\n",
|
|
priid.id, priid.variant, priid.bottom, priid.top);
|
|
|
|
for (i = 0; i < ns3info; i++) {
|
|
switch (s3info[i].type) {
|
|
case 1:
|
|
pr_debug("Version: ID %#x %d.%d.%d\n",
|
|
s3info[i].info.version.id,
|
|
s3info[i].info.version.major,
|
|
s3info[i].info.version.minor,
|
|
s3info[i].info.version.variant);
|
|
break;
|
|
case 2:
|
|
pr_debug("Compat: Role %#x Id %#x v%d %d->%d\n",
|
|
s3info[i].info.compat.role,
|
|
s3info[i].info.compat.id,
|
|
s3info[i].info.compat.variant,
|
|
s3info[i].info.compat.bottom,
|
|
s3info[i].info.compat.top);
|
|
|
|
/* MAC compat range */
|
|
if ((s3info[i].info.compat.role == 1) &&
|
|
(s3info[i].info.compat.id == 2)) {
|
|
if (s3info[i].info.compat.variant !=
|
|
macid.variant) {
|
|
result = 2;
|
|
}
|
|
}
|
|
|
|
/* PRI compat range */
|
|
if ((s3info[i].info.compat.role == 1) &&
|
|
(s3info[i].info.compat.id == 3)) {
|
|
if ((s3info[i].info.compat.bottom > priid.top)
|
|
|| (s3info[i].info.compat.top <
|
|
priid.bottom)) {
|
|
result = 3;
|
|
}
|
|
}
|
|
/* SEC compat range */
|
|
if ((s3info[i].info.compat.role == 1) &&
|
|
(s3info[i].info.compat.id == 4)) {
|
|
|
|
}
|
|
|
|
break;
|
|
case 3:
|
|
pr_debug("Seq: %#x\n", s3info[i].info.buildseq);
|
|
|
|
break;
|
|
case 4:
|
|
pr_debug("Platform: ID %#x %d.%d.%d\n",
|
|
s3info[i].info.version.id,
|
|
s3info[i].info.version.major,
|
|
s3info[i].info.version.minor,
|
|
s3info[i].info.version.variant);
|
|
|
|
if (nicid.id != s3info[i].info.version.id)
|
|
continue;
|
|
if (nicid.major != s3info[i].info.version.major)
|
|
continue;
|
|
if (nicid.minor != s3info[i].info.version.minor)
|
|
continue;
|
|
if ((nicid.variant != s3info[i].info.version.variant) &&
|
|
(nicid.id != 0x8008))
|
|
continue;
|
|
|
|
trump = 1;
|
|
break;
|
|
case 0x8001:
|
|
pr_debug("name inforec len %d\n", s3info[i].len);
|
|
|
|
break;
|
|
default:
|
|
pr_debug("Unknown inforec type %d\n", s3info[i].type);
|
|
}
|
|
}
|
|
// walk through
|
|
|
|
if (trump && (result != 2)) result = 0;
|
|
return result;
|
|
}
|