1 files changed, 50 insertions, 0 deletions
diff --git a/sys/dev/ath/ath_hal/ar5212/ar5212_eeprom.c b/sys/dev/ath/ath_hal/ar5212/ar5212_eeprom.c
new file mode 100644
index 000000000000..8d1dcf2ac9bf
--- /dev/null
+++ b/sys/dev/ath/ath_hal/ar5212/ar5212_eeprom.c
@@ -0,0 +1,50 @@
+/*-
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
+ * Copyright (c) 2002-2008 Atheros Communications, Inc.
+ *
+ * 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 "opt_ah.h"
+
+#include "ah.h"
+#include "ah_internal.h"
+#include "ah_devid.h"
+#ifdef AH_DEBUG
+#include "ah_desc.h"			/* NB: for HAL_PHYERR* */
+#endif
+
+#include "ar5212/ar5212.h"
+#include "ar5212/ar5212reg.h"
+#include "ar5212/ar5212phy.h"
+
+/*
+ * Read 16 bits of data from offset into *data
+ */
+HAL_BOOL
+ar5212EepromRead(struct ath_hal *ah, u_int off, uint16_t *data)
+{
+	OS_REG_WRITE(ah, AR_EEPROM_ADDR, off);
+	OS_REG_WRITE(ah, AR_EEPROM_CMD, AR_EEPROM_CMD_READ);
+
+	if (!ath_hal_wait(ah, AR_EEPROM_STS,
+	    AR_EEPROM_STS_READ_COMPLETE | AR_EEPROM_STS_READ_ERROR,
+	    AR_EEPROM_STS_READ_COMPLETE)) {
+		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: read failed for entry 0x%x\n",
+		    __func__, off);
+		return AH_FALSE;
+	}
+	*data = OS_REG_READ(ah, AR_EEPROM_DATA) & 0xffff;
+	return AH_TRUE;
+}