From: "Rafał Miłecki" <zajec5@gmail.com>
To: linux-wireless@vger.kernel.org,
"John W. Linville" <linville@tuxdriver.com>
Cc: b43-dev@lists.infradead.org, "Rafał Miłecki" <zajec5@gmail.com>
Subject: [PATCH 4/4] b43: bcma: implement full core reset
Date: Sun, 17 Jul 2011 01:06:06 +0200 [thread overview]
Message-ID: <1310857566-2876-4-git-send-email-zajec5@gmail.com> (raw)
In-Reply-To: <1310857566-2876-1-git-send-email-zajec5@gmail.com>
Signed-off-by: Rafa? Mi?ecki <zajec5@gmail.com>
---
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 22f20e1..46a0f92 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
--
1.7.3.4
prev parent reply other threads:[~2011-07-16 23:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-16 23:06 [PATCH 1/4] bcma: trivial: add helpers for masking/setting Rafał Miłecki
2011-07-16 23:06 ` [PATCH 2/4] bcma: allow setting FAST clockmode for a core Rafał Miłecki
2011-07-19 20:42 ` John W. Linville
2011-07-19 20:50 ` Rafał Miłecki
2011-07-19 20:54 ` Rafał Miłecki
2011-07-19 21:09 ` John W. Linville
2011-07-16 23:06 ` [PATCH 3/4] bcma: allow enabling PLL Rafał Miłecki
2011-07-16 23:06 ` Rafał Miłecki [this message]
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