ath9k: add some fixes for AR9003
SVN-Revision: 24016
This commit is contained in:
Felix Fietkau
parent
79a2f2debc
commit
b59113f2e7
2 changed files with 171 additions and 0 deletions
22
package/mac80211/patches/520-ath9k_fix_paprd.patch
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22
package/mac80211/patches/520-ath9k_fix_paprd.patch
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@ -0,0 +1,22 @@
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -1656,9 +1656,6 @@ static void ath_tx_start_dma(struct ath_
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bf->bf_buf_addr,
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txctl->txq->axq_qnum);
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- if (bf->bf_state.bfs_paprd)
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- ar9003_hw_set_paprd_txdesc(ah, ds, bf->bf_state.bfs_paprd);
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-
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spin_lock_bh(&txctl->txq->axq_lock);
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if (bf_isht(bf) && (sc->sc_flags & SC_OP_TXAGGR) &&
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@@ -1684,6 +1681,9 @@ static void ath_tx_start_dma(struct ath_
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bf->bf_state.bfs_ftype = txctl->frame_type;
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bf->bf_state.bfs_paprd = txctl->paprd;
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+ if (bf->bf_state.bfs_paprd)
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+ ar9003_hw_set_paprd_txdesc(ah, ds, bf->bf_state.bfs_paprd);
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+
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if (txctl->paprd)
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bf->bf_state.bfs_paprd_timestamp = jiffies;
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149
package/mac80211/patches/530-ath9k_otp_rom.patch
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149
package/mac80211/patches/530-ath9k_otp_rom.patch
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@ -0,0 +1,149 @@
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--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
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@@ -3104,6 +3104,36 @@ error:
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return false;
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}
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+static bool ar9300_otp_read_word(struct ath_hw *ah, int addr, u32 *data)
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+{
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+ REG_READ(ah, AR9300_OTP_BASE + (4 * addr));
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+
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+ if (!ath9k_hw_wait(ah, AR9300_OTP_STATUS, AR9300_OTP_STATUS_TYPE,
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+ AR9300_OTP_STATUS_VALID, 1000))
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+ return false;
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+
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+ *data = REG_READ(ah, AR9300_OTP_READ_DATA);
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+ return true;
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+}
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+
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+static bool ar9300_read_otp(struct ath_hw *ah, int address, u8 *buffer,
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+ int count)
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+{
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+ u32 data;
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+ int i;
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+
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+ for (i = 0; i < count; i++) {
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+ int offset = 8 * ((address - i) % 4);
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+ if (!ar9300_otp_read_word(ah, (address - i) / 4, &data))
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+ return false;
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+
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+ buffer[i] = (data >> offset) & 0xff;
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+ }
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+
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+ return true;
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+}
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+
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+
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static void ar9300_comp_hdr_unpack(u8 *best, int *code, int *reference,
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int *length, int *major, int *minor)
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{
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@@ -3221,6 +3251,26 @@ static int ar9300_compress_decision(stru
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return 0;
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}
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+typedef bool (*eeprom_read_op)(struct ath_hw *ah, int address, u8 *buffer,
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+ int count);
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+
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+static bool ar9300_check_header(void *data)
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+{
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+ u32 *word = data;
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+ return !(*word == 0 || *word == ~0);
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+}
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+
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+static bool ar9300_check_eeprom_header(struct ath_hw *ah, eeprom_read_op read,
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+ int base_addr)
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+{
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+ u8 header[4];
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+
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+ if (!read(ah, base_addr, header, 4))
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+ return false;
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+
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+ return ar9300_check_header(header);
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+}
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+
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/*
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* Read the configuration data from the eeprom.
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* The data can be put in any specified memory buffer.
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@@ -3241,6 +3291,7 @@ static int ar9300_eeprom_restore_interna
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int it;
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u16 checksum, mchecksum;
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struct ath_common *common = ath9k_hw_common(ah);
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+ eeprom_read_op read;
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word = kzalloc(2048, GFP_KERNEL);
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if (!word)
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@@ -3248,14 +3299,42 @@ static int ar9300_eeprom_restore_interna
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memcpy(mptr, &ar9300_default, mdata_size);
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+ read = ar9300_read_eeprom;
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cptr = AR9300_BASE_ADDR;
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+ ath_print(common, ATH_DBG_EEPROM,
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+ "Trying EEPROM accesss at Address 0x%04x\n", cptr);
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+ if (ar9300_check_eeprom_header(ah, read, cptr))
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+ goto found;
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+
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+ cptr = AR9300_BASE_ADDR_512;
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+ ath_print(common, ATH_DBG_EEPROM,
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+ "Trying EEPROM accesss at Address 0x%04x\n", cptr);
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+ if (ar9300_check_eeprom_header(ah, read, cptr))
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+ goto found;
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+
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+ read = ar9300_read_otp;
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+ cptr = AR9300_BASE_ADDR;
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+ ath_print(common, ATH_DBG_EEPROM,
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+ "Trying OTP accesss at Address 0x%04x\n", cptr);
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+ if (ar9300_check_eeprom_header(ah, read, cptr))
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+ goto found;
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+
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+ cptr = AR9300_BASE_ADDR_512;
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+ ath_print(common, ATH_DBG_EEPROM,
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+ "Trying OTP accesss at Address 0x%04x\n", cptr);
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+ if (ar9300_check_eeprom_header(ah, read, cptr))
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+ goto found;
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+
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+ goto fail;
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+
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+found:
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+ ath_print(common, ATH_DBG_EEPROM, "Found valid EEPROM data");
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+
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for (it = 0; it < MSTATE; it++) {
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- if (!ar9300_read_eeprom(ah, cptr, word, COMP_HDR_LEN))
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+ if (!read(ah, cptr, word, COMP_HDR_LEN))
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goto fail;
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- if ((word[0] == 0 && word[1] == 0 && word[2] == 0 &&
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- word[3] == 0) || (word[0] == 0xff && word[1] == 0xff
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- && word[2] == 0xff && word[3] == 0xff))
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+ if (!ar9300_check_header(word))
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break;
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ar9300_comp_hdr_unpack(word, &code, &reference,
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@@ -3272,8 +3351,7 @@ static int ar9300_eeprom_restore_interna
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}
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osize = length;
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- ar9300_read_eeprom(ah, cptr, word,
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- COMP_HDR_LEN + osize + COMP_CKSUM_LEN);
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+ read(ah, cptr, word, COMP_HDR_LEN + osize + COMP_CKSUM_LEN);
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checksum = ar9300_comp_cksum(&word[COMP_HDR_LEN], length);
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mchecksum = word[COMP_HDR_LEN + osize] |
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(word[COMP_HDR_LEN + osize + 1] << 8);
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--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
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+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
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@@ -79,6 +79,15 @@
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#define FIXED_CCA_THRESHOLD 15
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#define AR9300_BASE_ADDR 0x3ff
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+#define AR9300_BASE_ADDR_512 0x1ff
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+
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+#define AR9300_OTP_BASE 0x14000
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+#define AR9300_OTP_STATUS 0x15f18
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+#define AR9300_OTP_STATUS_TYPE 0x7
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+#define AR9300_OTP_STATUS_VALID 0x4
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+#define AR9300_OTP_STATUS_ACCESS_BUSY 0x2
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+#define AR9300_OTP_STATUS_SM_BUSY 0x1
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+#define AR9300_OTP_READ_DATA 0x15f1c
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enum targetPowerHTRates {
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HT_TARGET_RATE_0_8_16,
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