commit 491735929b63cb665b2215e3183b960e66f221f3
author Rafał Miłecki <zajec5@gmail.com> Sun Jul 17 01:06:06 2011 +0200
committer John W. Linville <linville@tuxdriver.com> Tue Jul 19 17:03:12 2011 -0400
tree bb81a3181412faf5c57a56ac852ac51f71825c1d
parent 6f53912fc317ab130bd910c5c30420a21ea38115

b43: bcma: implement full core reset

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/main.c

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 15ff218..269483a 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1156,17 +1156,37 @@
 }
 
 #ifdef CONFIG_B43_BCMA
+static void b43_bcma_phy_reset(struct b43_wldev *dev)
+{
+	u32 flags;
+
+	/* Put PHY into reset */
+	flags = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
+	flags |= B43_BCMA_IOCTL_PHY_RESET;
+	flags |= B43_BCMA_IOCTL_PHY_BW_20MHZ; /* Make 20 MHz def */
+	bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, flags);
+	udelay(2);
+
+	/* Take PHY out of reset */
+	flags = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
+	flags &= ~B43_BCMA_IOCTL_PHY_RESET;
+	flags |= BCMA_IOCTL_FGC;
+	bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, flags);
+	udelay(1);
+
+	/* Do not force clock anymore */
+	flags = bcma_aread32(dev->dev->bdev, BCMA_IOCTL);
+	flags &= ~BCMA_IOCTL_FGC;
+	bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, flags);
+	udelay(1);
+}
+
 static void b43_bcma_wireless_core_reset(struct b43_wldev *dev, bool gmode)
 {
-	u32 flags = 0;
-
-	if (gmode)
-		flags = B43_BCMA_IOCTL_GMODE;
-	flags |= B43_BCMA_IOCTL_PHY_CLKEN;
-	flags |= B43_BCMA_IOCTL_PHY_BW_20MHZ; /* Make 20 MHz def */
-	b43_device_enable(dev, flags);
-
-	/* TODO: reset PHY */
+	b43_device_enable(dev, B43_BCMA_IOCTL_PHY_CLKEN);
+	bcma_core_set_clockmode(dev->dev->bdev, BCMA_CLKMODE_FAST);
+	b43_bcma_phy_reset(dev);
+	bcma_core_pll_ctl(dev->dev->bdev, 0x300, 0x3000000, true);
 }
 #endif