diff options
| -rw-r--r-- | package/mac80211/patches/301-pending-ath9k-ar9003-fix-OTP-register-offsets-for-AR9340.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/package/mac80211/patches/301-pending-ath9k-ar9003-fix-OTP-register-offsets-for-AR9340.patch b/package/mac80211/patches/301-pending-ath9k-ar9003-fix-OTP-register-offsets-for-AR9340.patch new file mode 100644 index 000000000..0519705b1 --- /dev/null +++ b/package/mac80211/patches/301-pending-ath9k-ar9003-fix-OTP-register-offsets-for-AR9340.patch @@ -0,0 +1,73 @@ +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, |