diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2013-03-07 15:47:19 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-03-13 18:27:48 (GMT) |
| commit | d7bb7ca8e5613991b522f21b74bb67447a36eacd (patch) | |
| tree | 85f2094d8be5a79beb2c01cdc4645c25ea22c815 /drivers/net/wireless/b43/phy_ht.c | |
| parent | 2dacfe7c107170f060b09623d36b945ee1bfb8f3 (diff) | |
| download | linux-fsl-qoriq-d7bb7ca8e5613991b522f21b74bb67447a36eacd.tar.xz | |
b43: HT-PHY: implement MAC reclocking
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/phy_ht.c')
| -rw-r--r-- | drivers/net/wireless/b43/phy_ht.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c index 558f77c..9d2a7e5 100644 --- a/drivers/net/wireless/b43/phy_ht.c +++ b/drivers/net/wireless/b43/phy_ht.c @@ -290,6 +290,7 @@ static void b43_phy_ht_spur_avoid(struct b43_wldev *dev, { struct bcma_device *core = dev->dev->bdev; int spuravoid = 0; + u16 tmp; /* Check for 13 and 14 is just a guess, we don't have enough logs. */ if (new_channel->hw_value == 13 || new_channel->hw_value == 14) @@ -301,6 +302,23 @@ static void b43_phy_ht_spur_avoid(struct b43_wldev *dev, B43_BCMA_CLKCTLST_PHY_PLL_REQ, B43_BCMA_CLKCTLST_80211_PLL_ST | B43_BCMA_CLKCTLST_PHY_PLL_ST, false); + + /* Values has been taken from wlc_bmac_switch_macfreq comments */ + switch (spuravoid) { + case 2: /* 126MHz */ + tmp = 0x2082; + break; + case 1: /* 123MHz */ + tmp = 0x5341; + break; + default: /* 120MHz */ + tmp = 0x8889; + } + + b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, tmp); + b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8); + + /* TODO: reset PLL */ } static void b43_phy_ht_channel_setup(struct b43_wldev *dev, |