diff mbox series

[v2,18/24] mt76x0: pci: add hw initialization at bootstrap

Message ID 20180928064017.26870-19-lorenzo.bianconi@redhat.com (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show
Series add mt76x0e hw initialization support | expand

Commit Message

Lorenzo Bianconi Sept. 28, 2018, 6:40 a.m. UTC 
Add mt76x0e_register_device routine in pci.c
to initialize the device during hw probe.

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
 .../net/wireless/mediatek/mt76/mt76x0/init.c  | 10 ++--
 .../net/wireless/mediatek/mt76/mt76x0/pci.c   | 47 ++++++++++++++++++-
 .../wireless/mediatek/mt76/mt76x02_eeprom.h   |  1 +
 3 files changed, 50 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
index fe3e64a47b5c..adeea0572c51 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
@@ -107,6 +107,9 @@  static void mt76x0_reset_csr_bbp(struct mt76x0_dev *dev)
 		MT_MAC_SYS_CTRL_RESET_CSR |
 		MT_MAC_SYS_CTRL_RESET_BBP);
 	msleep(200);
+	mt76_clear(dev, MT_MAC_SYS_CTRL,
+		   MT_MAC_SYS_CTRL_RESET_CSR |
+		   MT_MAC_SYS_CTRL_RESET_BBP);
 }
 
 #define RANDOM_WRITE(dev, tab)			\
@@ -152,13 +155,6 @@  static void mt76x0_init_mac_registers(struct mt76x0_dev *dev)
 	reg &= ~0x3;
 	mt76_wr(dev, MT_MAC_SYS_CTRL, reg);
 
-	if (is_mt7610e(dev)) {
-		/* Disable COEX_EN */
-		reg = mt76_rr(dev, MT_COEXCFG0);
-		reg &= 0xFFFFFFFE;
-		mt76_wr(dev, MT_COEXCFG0, reg);
-	}
-
 	/* Set 0x141C[15:12]=0xF */
 	reg = mt76_rr(dev, MT_EXT_CCA_CFG);
 	reg |= 0x0000F000;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
index 99d142319d1c..79db75811458 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
@@ -20,6 +20,51 @@ 
 
 #include "mt76x0.h"
 #include "mcu.h"
+#include "../mt76x02_dma.h"
+
+static int mt76x0e_register_device(struct mt76x0_dev *dev)
+{
+	int err;
+
+	mt76x0_chip_onoff(dev, true, false);
+	if (!mt76x02_wait_for_mac(&dev->mt76))
+		return -ETIMEDOUT;
+
+	mt76x02_dma_disable(&dev->mt76);
+	err = mt76x0e_mcu_init(dev);
+	if (err < 0)
+		return err;
+
+	err = mt76x02_dma_init(&dev->mt76);
+	if (err < 0)
+		return err;
+
+	err = mt76x0_init_hardware(dev);
+	if (err < 0)
+		return err;
+
+	if (mt76_chip(&dev->mt76) == 0x7610) {
+		u16 val;
+
+		mt76_clear(dev, MT_COEXCFG0, BIT(0));
+		val = mt76x02_eeprom_get(&dev->mt76, MT_EE_NIC_CONF_0);
+		if (val & MT_EE_NIC_CONF_0_PA_IO_CURRENT) {
+			u32 data;
+
+			/* set external external PA I/O
+			 * current to 16mA
+			 */
+			data = mt76_rr(dev, 0x11c);
+			val |= 0xc03;
+			mt76_wr(dev, 0x11c, val);
+		}
+	}
+
+	mt76_clear(dev, 0x110, BIT(9));
+	mt76_set(dev, MT_MAX_LEN_CFG, BIT(13));
+
+	return 0;
+}
 
 static int
 mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -50,7 +95,7 @@  mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION);
 	dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev);
 
-	ret = mt76x0e_mcu_init(dev);
+	ret = mt76x0e_register_device(dev);
 	if (ret < 0)
 		goto error;
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h
index b45e2afeadd0..bcd05f7c5f45 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h
@@ -107,6 +107,7 @@  enum mt76x02_eeprom_field {
 #define MT_EE_NIC_CONF_0_PA_TYPE		GENMASK(9, 8)
 #define MT_EE_NIC_CONF_0_PA_INT_2G		BIT(8)
 #define MT_EE_NIC_CONF_0_PA_INT_5G		BIT(9)
+#define MT_EE_NIC_CONF_0_PA_IO_CURRENT		BIT(10)
 #define MT_EE_NIC_CONF_0_BOARD_TYPE		GENMASK(13, 12)
 
 #define MT_EE_NIC_CONF_1_HW_RF_CTRL		BIT(0)