mirror of https://github.com/hak5/openwrt-owl.git
150 lines
4.1 KiB
Diff
150 lines
4.1 KiB
Diff
--- 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,
|