From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kok, Auke" Subject: [PATCH 08/13] e1000: Force full DMA clocking for 10/100 speed Date: Wed, 16 Aug 2006 14:56:33 -0700 Message-ID: <20060816215633.27080.15056.stgit@gitlost.site> References: <20060816215336.27080.56147.stgit@gitlost.site> Cc: netdev@vger.kernel.org, akpm@osdl.org, "Brandeburg, Jesse" , "Kok, Auke" , "Kok, Auke" , "Ronciak, John" Return-path: Received: from [63.64.152.142] ([63.64.152.142]:61961 "EHLO gitlost.site") by vger.kernel.org with ESMTP id S932257AbWHPVsp (ORCPT ); Wed, 16 Aug 2006 17:48:45 -0400 To: "Garzik, Jeff" In-Reply-To: <20060816215336.27080.56147.stgit@gitlost.site> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Signed-off-by: Jeff Kirsher Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_hw.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 3728f33..8eddfdf 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -718,6 +718,17 @@ e1000_init_hw(struct e1000_hw *hw) DEBUGFUNC("e1000_init_hw"); + /* force full DMA clock frequency for 10/100 on ICH8 A0-B0 */ + if (hw->mac_type == e1000_ich8lan) { + reg_data = E1000_READ_REG(hw, TARC0); + reg_data |= 0x30000000; + E1000_WRITE_REG(hw, TARC0, reg_data); + + reg_data = E1000_READ_REG(hw, STATUS); + reg_data &= ~0x80000000; + E1000_WRITE_REG(hw, STATUS, reg_data); + } + /* Initialize Identification LED */ ret_val = e1000_id_led_init(hw); if(ret_val) { -- Auke Kok