ath9k: add some fixes for AR9003

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24016 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/mac80211/patches/520-ath9k_fix_paprd.patch b/package/mac80211/patches/520-ath9k_fix_paprd.patch
new file mode 100644 (file)
index 0000000..718d2da
--- /dev/null
+++ b/package/mac80211/patches/520-ath9k_fix_paprd.patch
@@ -0,0 +1,22 @@
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -1656,9 +1656,6 @@ static void ath_tx_start_dma(struct ath_
+                           bf->bf_buf_addr,
+                           txctl->txq->axq_qnum);
+ 
+-      if (bf->bf_state.bfs_paprd)
+-              ar9003_hw_set_paprd_txdesc(ah, ds, bf->bf_state.bfs_paprd);
+-
+       spin_lock_bh(&txctl->txq->axq_lock);
+ 
+       if (bf_isht(bf) && (sc->sc_flags & SC_OP_TXAGGR) &&
+@@ -1684,6 +1681,9 @@ static void ath_tx_start_dma(struct ath_
+               bf->bf_state.bfs_ftype = txctl->frame_type;
+               bf->bf_state.bfs_paprd = txctl->paprd;
+ 
++              if (bf->bf_state.bfs_paprd)
++                      ar9003_hw_set_paprd_txdesc(ah, ds, bf->bf_state.bfs_paprd);
++
+               if (txctl->paprd)
+                       bf->bf_state.bfs_paprd_timestamp = jiffies;
+ 

diff --git a/package/mac80211/patches/530-ath9k_otp_rom.patch b/package/mac80211/patches/530-ath9k_otp_rom.patch
new file mode 100644 (file)
index 0000000..81f8de5
--- /dev/null
+++ b/package/mac80211/patches/530-ath9k_otp_rom.patch
@@ -0,0 +1,149 @@
+--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+@@ -3104,6 +3104,36 @@ error:
+       return false;
+ }
+ 
++static bool ar9300_otp_read_word(struct ath_hw *ah, int addr, u32 *data)
++{
++      REG_READ(ah, AR9300_OTP_BASE + (4 * addr));
++
++      if (!ath9k_hw_wait(ah, AR9300_OTP_STATUS, AR9300_OTP_STATUS_TYPE,
++                         AR9300_OTP_STATUS_VALID, 1000))
++              return false;
++
++      *data = REG_READ(ah, AR9300_OTP_READ_DATA);
++      return true;
++}
++
++static bool ar9300_read_otp(struct ath_hw *ah, int address, u8 *buffer,
++                          int count)
++{
++      u32 data;
++      int i;
++
++      for (i = 0; i < count; i++) {
++              int offset = 8 * ((address - i) % 4);
++              if (!ar9300_otp_read_word(ah, (address - i) / 4, &data))
++                      return false;
++
++              buffer[i] = (data >> offset) & 0xff;
++      }
++
++      return true;
++}
++
++
+ static void ar9300_comp_hdr_unpack(u8 *best, int *code, int *reference,
+                                  int *length, int *major, int *minor)
+ {
+@@ -3221,6 +3251,26 @@ static int ar9300_compress_decision(stru
+       return 0;
+ }
+ 
++typedef bool (*eeprom_read_op)(struct ath_hw *ah, int address, u8 *buffer,
++                             int count);
++
++static bool ar9300_check_header(void *data)
++{
++      u32 *word = data;
++      return !(*word == 0 || *word == ~0);
++}
++
++static bool ar9300_check_eeprom_header(struct ath_hw *ah, eeprom_read_op read,
++                                     int base_addr)
++{
++      u8 header[4];
++
++      if (!read(ah, base_addr, header, 4))
++              return false;
++
++      return ar9300_check_header(header);
++}
++
+ /*
+  * Read the configuration data from the eeprom.
+  * The data can be put in any specified memory buffer.
+@@ -3241,6 +3291,7 @@ static int ar9300_eeprom_restore_interna
+       int it;
+       u16 checksum, mchecksum;
+       struct ath_common *common = ath9k_hw_common(ah);
++      eeprom_read_op read;
+ 
+       word = kzalloc(2048, GFP_KERNEL);
+       if (!word)
+@@ -3248,14 +3299,42 @@ static int ar9300_eeprom_restore_interna
+ 
+       memcpy(mptr, &ar9300_default, mdata_size);
+ 
++      read = ar9300_read_eeprom;
+       cptr = AR9300_BASE_ADDR;
++      ath_print(common, ATH_DBG_EEPROM,
++              "Trying EEPROM accesss at Address 0x%04x\n", cptr);
++      if (ar9300_check_eeprom_header(ah, read, cptr))
++              goto found;
++
++      cptr = AR9300_BASE_ADDR_512;
++      ath_print(common, ATH_DBG_EEPROM,
++              "Trying EEPROM accesss at Address 0x%04x\n", cptr);
++      if (ar9300_check_eeprom_header(ah, read, cptr))
++              goto found;
++
++      read = ar9300_read_otp;
++      cptr = AR9300_BASE_ADDR;
++      ath_print(common, ATH_DBG_EEPROM,
++              "Trying OTP accesss at Address 0x%04x\n", cptr);
++      if (ar9300_check_eeprom_header(ah, read, cptr))
++              goto found;
++
++      cptr = AR9300_BASE_ADDR_512;
++      ath_print(common, ATH_DBG_EEPROM,
++              "Trying OTP accesss at Address 0x%04x\n", cptr);
++      if (ar9300_check_eeprom_header(ah, read, cptr))
++              goto found;
++
++      goto fail;
++
++found:
++      ath_print(common, ATH_DBG_EEPROM, "Found valid EEPROM data");
++
+       for (it = 0; it < MSTATE; it++) {
+-              if (!ar9300_read_eeprom(ah, cptr, word, COMP_HDR_LEN))
++              if (!read(ah, cptr, word, COMP_HDR_LEN))
+                       goto fail;
+ 
+-              if ((word[0] == 0 && word[1] == 0 && word[2] == 0 &&
+-                   word[3] == 0) || (word[0] == 0xff && word[1] == 0xff
+-                                     && word[2] == 0xff && word[3] == 0xff))
++              if (!ar9300_check_header(word))
+                       break;
+ 
+               ar9300_comp_hdr_unpack(word, &code, &reference,
+@@ -3272,8 +3351,7 @@ static int ar9300_eeprom_restore_interna
+               }
+ 
+               osize = length;
+-              ar9300_read_eeprom(ah, cptr, word,
+-                                 COMP_HDR_LEN + osize + COMP_CKSUM_LEN);
++              read(ah, cptr, word, COMP_HDR_LEN + osize + COMP_CKSUM_LEN);
+               checksum = ar9300_comp_cksum(&word[COMP_HDR_LEN], length);
+               mchecksum = word[COMP_HDR_LEN + osize] |
+                   (word[COMP_HDR_LEN + osize + 1] << 8);
+--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
++++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+@@ -79,6 +79,15 @@
+ #define FIXED_CCA_THRESHOLD 15
+ 
+ #define AR9300_BASE_ADDR 0x3ff
++#define AR9300_BASE_ADDR_512 0x1ff
++
++#define AR9300_OTP_BASE                       0x14000
++#define AR9300_OTP_STATUS             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
+ 
+ enum targetPowerHTRates {
+       HT_TARGET_RATE_0_8_16,