From d7bb7ca8e5613991b522f21b74bb67447a36eacd Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Thu, 7 Mar 2013 16:47:19 +0100 Subject: [PATCH] b43: HT-PHY: implement MAC reclocking MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_ht.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c index 558f77c393e0..9d2a7e545bf6 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, -- 2.20.1