2 * SPDX-License-Identifier: ISC
4 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
5 * Copyright (c) 2002-2008 Atheros Communications, Inc.
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 #include "ah_internal.h"
27 #include "ah_desc.h" /* NB: for HAL_PHYERR* */
30 #include "ar5212/ar5212.h"
31 #include "ar5212/ar5212reg.h"
32 #include "ar5212/ar5212phy.h"
35 * Read 16 bits of data from offset into *data
38 ar5212EepromRead(struct ath_hal *ah, u_int off, uint16_t *data)
40 OS_REG_WRITE(ah, AR_EEPROM_ADDR, off);
41 OS_REG_WRITE(ah, AR_EEPROM_CMD, AR_EEPROM_CMD_READ);
43 if (!ath_hal_wait(ah, AR_EEPROM_STS,
44 AR_EEPROM_STS_READ_COMPLETE | AR_EEPROM_STS_READ_ERROR,
45 AR_EEPROM_STS_READ_COMPLETE)) {
46 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: read failed for entry 0x%x\n",
50 *data = OS_REG_READ(ah, AR_EEPROM_DATA) & 0xffff;