diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2011-07-16 23:06:06 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-07-19 21:03:12 (GMT) |
| commit | 491735929b63cb665b2215e3183b960e66f221f3 (patch) | |
| tree | bb81a3181412faf5c57a56ac852ac51f71825c1d /drivers | |
| parent | 6f53912fc317ab130bd910c5c30420a21ea38115 (diff) | |
| download | linux-fsl-qoriq-491735929b63cb665b2215e3183b960e66f221f3.tar.xz | |
b43: bcma: implement full core reset
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/b43/main.c | 34 |
1 files changed, 27 insertions, 7 deletions
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 @@ void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags) } #ifdef CONFIG_B43_BCMA -static void b43_bcma_wireless_core_reset(struct b43_wldev *dev, bool gmode) +static void b43_bcma_phy_reset(struct b43_wldev *dev) { - u32 flags = 0; + u32 flags; - if (gmode) - flags = B43_BCMA_IOCTL_GMODE; - flags |= B43_BCMA_IOCTL_PHY_CLKEN; + /* 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 */ - b43_device_enable(dev, flags); + 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); - /* TODO: reset PHY */ + /* 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) +{ + 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 |