From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hayes Wang Subject: [PATCH net-next v2 3/7] r8169: adjust the settings about RxConfig Date: Wed, 6 Jul 2011 15:58:04 +0800 Message-ID: <1309939088-31994-3-git-send-email-hayeswang@realtek.com> References: <1309939088-31994-1-git-send-email-hayeswang@realtek.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , Hayes Wang To: Return-path: In-Reply-To: <1309939088-31994-1-git-send-email-hayeswang@realtek.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Set the init value before reset in probe function. And then just modify the relative bits and keep the init settings. Signed-off-by: Hayes Wang --- drivers/net/r8169.c | 54 +++++++++++++++++++++++++++++++++++++++----------- 1 files changed, 42 insertions(+), 12 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index a579da0..50bf897 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -282,7 +282,6 @@ enum rtl_registers { #define RXCFG_DMA_SHIFT 8 /* Unlimited maximum PCI burst. */ #define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT) -#define RTL_RX_CONFIG_MASK 0xff7e1880u RxMissed = 0x4c, Cfg9346 = 0x50, @@ -724,8 +723,6 @@ static void rtl8169_down(struct net_device *dev); static void rtl8169_rx_clear(struct rtl8169_private *tp); static int rtl8169_poll(struct napi_struct *napi, int budget); -static const unsigned int rtl8169_rx_config = RX_FIFO_THRESH | RX_DMA_BURST; - static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg) { void __iomem *ioaddr = tp->mmio_addr; @@ -3330,6 +3327,42 @@ static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp) } } +static void rtl_init_rxcfg(struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_01: + case RTL_GIGA_MAC_VER_02: + case RTL_GIGA_MAC_VER_03: + case RTL_GIGA_MAC_VER_04: + case RTL_GIGA_MAC_VER_05: + case RTL_GIGA_MAC_VER_06: + case RTL_GIGA_MAC_VER_10: + case RTL_GIGA_MAC_VER_11: + case RTL_GIGA_MAC_VER_12: + case RTL_GIGA_MAC_VER_13: + case RTL_GIGA_MAC_VER_14: + case RTL_GIGA_MAC_VER_15: + case RTL_GIGA_MAC_VER_16: + case RTL_GIGA_MAC_VER_17: + RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST); + break; + case RTL_GIGA_MAC_VER_18: + case RTL_GIGA_MAC_VER_19: + case RTL_GIGA_MAC_VER_20: + case RTL_GIGA_MAC_VER_21: + case RTL_GIGA_MAC_VER_22: + case RTL_GIGA_MAC_VER_23: + case RTL_GIGA_MAC_VER_24: + RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST); + break; + default: + RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST); + break; + } +} + static void rtl8169_init_ring_indexes(struct rtl8169_private *tp) { tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0; @@ -3457,6 +3490,11 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (!pci_is_pcie(pdev)) netif_info(tp, probe, dev, "not PCI Express\n"); + /* Identify chip attached to board */ + rtl8169_get_mac_version(tp, dev, cfg->default_ver); + + rtl_init_rxcfg(tp); + RTL_W16(IntrMask, 0x0000); rtl_hw_reset(tp); @@ -3465,9 +3503,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); - /* Identify chip attached to board */ - rtl8169_get_mac_version(tp, dev, cfg->default_ver); - /* * Pretend we are using VLANs; This bypasses a nasty bug where * Interrupts stop flowing on high load on 8110SCd controllers. @@ -3767,10 +3802,6 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp) static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp) { void __iomem *ioaddr = tp->mmio_addr; - u32 cfg = rtl8169_rx_config; - - cfg |= (RTL_R32(RxConfig) & RTL_RX_CONFIG_MASK); - RTL_W32(RxConfig, cfg); /* Set DMA burst size and Interframe Gap Time */ RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | @@ -5336,8 +5367,7 @@ static void rtl_set_rx_mode(struct net_device *dev) spin_lock_irqsave(&tp->lock, flags); - tmp = rtl8169_rx_config | rx_mode | - (RTL_R32(RxConfig) & RTL_RX_CONFIG_MASK); + tmp = RTL_R32(RxConfig) | rx_mode; if (tp->mac_version > RTL_GIGA_MAC_VER_06) { u32 data = mc_filter[0]; -- 1.7.3.2