You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
3.0 KiB
73 lines
3.0 KiB
From b4d6c33df61d95fa1e223101ca345f4c797e8823 Mon Sep 17 00:00:00 2001
|
|
From: Gabor Juhos <juhosg@openwrt.org>
|
|
Date: Sun, 9 Dec 2012 23:37:13 +0100
|
|
Subject: [PATCH] ath9k: ar9003: fix OTP register offsets for AR9340
|
|
|
|
Trying to access the OTP memory on the AR9340
|
|
causes a data bus error like this:
|
|
|
|
Data bus error, epc == 86e84164, ra == 86e84164
|
|
Oops[#1]:
|
|
Cpu 0
|
|
$ 0 : 00000000 00000061 deadc0de 00000000
|
|
$ 4 : b8115f18 00015f18 00000007 00000004
|
|
$ 8 : 00000001 7c7c3c7c 7c7c7c7c 7c7c7c7c
|
|
$12 : 7c7c3c7c 001f0041 00000000 7c7c7c3c
|
|
$16 : 86ee0000 00015f18 00000000 00000007
|
|
$20 : 00000004 00000064 00000004 86d71c44
|
|
$24 : 00000000 86e6ca00
|
|
$28 : 86d70000 86d71b20 86ece0c0 86e84164
|
|
Hi : 00000000
|
|
Lo : 00000064
|
|
epc : 86e84164 ath9k_hw_wait+0x58/0xb0 [ath9k_hw]
|
|
Tainted: G O
|
|
ra : 86e84164 ath9k_hw_wait+0x58/0xb0 [ath9k_hw]
|
|
Status: 1100d403 KERNEL EXL IE
|
|
Cause : 4080801c
|
|
PrId : 0001974c (MIPS 74Kc)
|
|
Modules linked in: ath9k(O+) ath9k_common(O) ath9k_hw(O) ath(O) ar934x_nfc
|
|
mac80211(O) usbcore usb_common scsi_mod nls_base nand nand_ecc nand_ids
|
|
crc_ccitt cfg80211(O) compat(O) arc4 aes_generic crypto_blkcipher cryptomgr
|
|
aead crypto_hash crypto_algapi ledtrig_timer ledtrig_default_on leds_gpio
|
|
Process insmod (pid: 459, threadinfo=86d70000, task=87942140, tls=779ac440)
|
|
Stack : 802fb500 000200da 804db150 804e0000 87816130 86ee0000 00010000 86d71b88
|
|
86d71bc0 00000004 00000003 86e9fcd0 80305300 0002c0d0 86e74c50 800b4c20
|
|
000003e8 00000001 00000000 86ee0000 000003ff 86e9fd64 80305300 80123938
|
|
fffffffc 00000004 000058bc 00000000 86ea0000 86ee0000 000001ff 878d6000
|
|
99999999 86e9fdc0 86ee0fcc 86e9e664 0000c0d0 86ee0000 0000700000007000
|
|
...
|
|
Call Trace:
|
|
[<86e84164>] ath9k_hw_wait+0x58/0xb0 [ath9k_hw]
|
|
[<86e9fcd0>] ath9k_hw_setup_statusring+0x16b8/0x1c7c [ath9k_hw]
|
|
|
|
Code: 0000a812 0040f809 00000000 <00531024> 1054000b 24020001 0c05b5dc 2404000a 26520001
|
|
|
|
The cause of the error is that the OTP register
|
|
offsets are different on the AR9340 than the
|
|
actually used values.
|
|
|
|
Cc: <stable@vger.kernel.org> # 3.0+
|
|
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
|
|
---
|
|
drivers/net/wireless/ath/ath9k/ar9003_eeprom.h | 6 +++---
|
|
1 file changed, 3 insertions(+), 3 deletions(-)
|
|
|
|
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
|
|
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
|
|
@@ -68,13 +68,13 @@
|
|
#define AR9300_BASE_ADDR 0x3ff
|
|
#define AR9300_BASE_ADDR_512 0x1ff
|
|
|
|
-#define AR9300_OTP_BASE 0x14000
|
|
-#define AR9300_OTP_STATUS 0x15f18
|
|
+#define AR9300_OTP_BASE (AR_SREV_9340(ah) ? 0x30000 : 0x14000)
|
|
+#define AR9300_OTP_STATUS (AR_SREV_9340(ah) ? 0x30018 : 0x15f18)
|
|
#define AR9300_OTP_STATUS_TYPE 0x7
|
|
#define AR9300_OTP_STATUS_VALID 0x4
|
|
#define AR9300_OTP_STATUS_ACCESS_BUSY 0x2
|
|
#define AR9300_OTP_STATUS_SM_BUSY 0x1
|
|
-#define AR9300_OTP_READ_DATA 0x15f1c
|
|
+#define AR9300_OTP_READ_DATA (AR_SREV_9340(ah) ? 0x3001c : 0x15f1c)
|
|
|
|
enum targetPowerHTRates {
|
|
HT_TARGET_RATE_0_8_16,
|
|
|