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mt7603: apply OTP ROM overrides

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Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2016-02-22 09:28:37 +01:00
parent 404177d6cf
commit e7bc12047f
2 changed files with 53 additions and 0 deletions
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mt7603_eeprom.c
+51
View File
@@ -73,6 +73,56 @@ mt7603_efuse_init(struct mt7603_dev *dev)
return 0;
}
static bool
mt7603_has_cal_free_data(struct mt7603_dev *dev, u8 *efuse)
{
if (!efuse[MT_EE_TEMP_SENSOR_CAL])
return false;
if (get_unaligned_le16(efuse + MT_EE_TX_POWER_0_START_2G) == 0)
return false;
if (get_unaligned_le16(efuse + MT_EE_TX_POWER_1_START_2G) == 0)
return false;
if (!efuse[MT_EE_CP_FT_VERSION])
return false;
if (!efuse[MT_EE_XTAL_FREQ_OFFSET])
return false;
if (!efuse[MT_EE_XTAL_WF_RFCAL])
return false;
return true;
}
static void
mt7603_apply_cal_free_data(struct mt7603_dev *dev, u8 *efuse)
{
static const u8 cal_free_bytes[] = {
MT_EE_TEMP_SENSOR_CAL,
MT_EE_TX_POWER_0_START_2G,
MT_EE_TX_POWER_0_START_2G + 1,
MT_EE_TX_POWER_1_START_2G,
MT_EE_TX_POWER_1_START_2G + 1,
MT_EE_CP_FT_VERSION,
MT_EE_XTAL_FREQ_OFFSET,
MT_EE_XTAL_WF_RFCAL,
};
u8 *eeprom = dev->mt76.eeprom.data;
int i;
if (!mt7603_has_cal_free_data(dev, efuse))
return;
for (i = 0; i < ARRAY_SIZE(cal_free_bytes); i++) {
int offset = cal_free_bytes[i];
eeprom[offset] = efuse[offset];
}
}
static int
mt7603_eeprom_load(struct mt7603_dev *dev)
@@ -98,6 +148,7 @@ int mt7603_eeprom_init(struct mt7603_dev *dev)
memcpy(dev->mt76.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
ETH_ALEN);
mt7603_apply_cal_free_data(dev, dev->mt76.otp.data);
mt76_eeprom_override(&dev->mt76);
return 0;
mt7603_eeprom.h
+2
View File
@@ -79,6 +79,8 @@ enum mt7603_eeprom_field {
MT_EE_STEP_NUM_PLUS_5_6 = 0x0d4,
MT_EE_STEP_NUM_PLUS_7 = 0x0d6,
MT_EE_CP_FT_VERSION = 0x0f0,
MT_EE_XTAL_FREQ_OFFSET = 0x0f4,
MT_EE_XTAL_TRIM_2_COMP = 0x0f5,
MT_EE_XTAL_TRIM_3_COMP = 0x0f6,