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authorFelix Fietkau <nbd@nbd.name>2019-06-25 12:25:25 +0200
committerFelix Fietkau <nbd@nbd.name>2019-06-27 12:58:13 +0200
commit10ece0086f33c3650df862869ab8ac015d6592b5 (patch)
tree20cc1822a0cfbd4d278af65786d9102438e16b61 /drivers
parentf57d8fa7fbcc26831b9aea8501aff9986089665f (diff)
downloadlinux-10ece0086f33c3650df862869ab8ac015d6592b5.tar.bz2
mt76: mt76x0: fix RF frontend initialization for external PA
When loading EEPROM data from flash, the RF frontend settings need to be initialized from flash data. Without this, the chip loads the wrong values from its internal eFuse ROM. Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x0/phy.c13
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h1
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x02_regs.h3
3 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
index 1fd22eb841c3..610819b49bfc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
@@ -430,15 +430,15 @@ mt76x0_phy_set_chan_bbp_params(struct mt76x02_dev *dev, u16 rf_bw_band)
static void mt76x0_phy_ant_select(struct mt76x02_dev *dev)
{
u16 ee_ant = mt76x02_eeprom_get(dev, MT_EE_ANTENNA);
+ u16 ee_cfg1 = mt76x02_eeprom_get(dev, MT_EE_CFG1_INIT);
u16 nic_conf2 = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_2);
- u32 wlan, coex3, cmb;
+ u32 wlan, coex3;
bool ant_div;
wlan = mt76_rr(dev, MT_WLAN_FUN_CTRL);
- cmb = mt76_rr(dev, MT_CMB_CTRL);
coex3 = mt76_rr(dev, MT_COEXCFG3);
- cmb &= ~(BIT(14) | BIT(12));
+ ee_ant &= ~(BIT(14) | BIT(12));
wlan &= ~(BIT(6) | BIT(5));
coex3 &= ~GENMASK(5, 2);
@@ -447,7 +447,7 @@ static void mt76x0_phy_ant_select(struct mt76x02_dev *dev)
ant_div = !(nic_conf2 & MT_EE_NIC_CONF_2_ANT_OPT) &&
(nic_conf2 & MT_EE_NIC_CONF_2_ANT_DIV);
if (ant_div)
- cmb |= BIT(12);
+ ee_ant |= BIT(12);
else
coex3 |= BIT(4);
coex3 |= BIT(3);
@@ -464,10 +464,11 @@ static void mt76x0_phy_ant_select(struct mt76x02_dev *dev)
}
if (is_mt7630(dev))
- cmb |= BIT(14) | BIT(11);
+ ee_ant |= BIT(14) | BIT(11);
mt76_wr(dev, MT_WLAN_FUN_CTRL, wlan);
- mt76_wr(dev, MT_CMB_CTRL, cmb);
+ mt76_rmw(dev, MT_CMB_CTRL, GENMASK(15, 0), ee_ant);
+ mt76_rmw(dev, MT_CSR_EE_CFG1, GENMASK(15, 0), ee_cfg1);
mt76_clear(dev, MT_COEXCFG0, BIT(2));
mt76_wr(dev, MT_COEXCFG3, coex3);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h
index e3442bc4e0a4..0ba536de3d6e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h
@@ -26,6 +26,7 @@ enum mt76x02_eeprom_field {
MT_EE_MAC_ADDR = 0x004,
MT_EE_PCI_ID = 0x00A,
MT_EE_ANTENNA = 0x022,
+ MT_EE_CFG1_INIT = 0x024,
MT_EE_NIC_CONF_0 = 0x034,
MT_EE_NIC_CONF_1 = 0x036,
MT_EE_COUNTRY_REGION_5GHZ = 0x038,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_regs.h b/drivers/net/wireless/mediatek/mt76/mt76x02_regs.h
index 2ce05b543dff..ea7833964ec0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_regs.h
@@ -66,6 +66,9 @@
#define MT_WLAN_FUN_CTRL_GPIO_OUT GENMASK(23, 16) /* MT76x0 */
#define MT_WLAN_FUN_CTRL_GPIO_OUT_EN GENMASK(31, 24) /* MT76x0 */
+/* MT76x0 */
+#define MT_CSR_EE_CFG1 0x0104
+
#define MT_XO_CTRL0 0x0100
#define MT_XO_CTRL1 0x0104
#define MT_XO_CTRL2 0x0108