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Miller" , Sean Wang , John Crispin , Matthias Brugger , Andrew Lunn Subject: [PATCH net, v3 1/3] net: ethernet: mediatek: Integrate GDM/PSE setup operations Date: Wed, 13 Nov 2019 10:38:42 +0800 Message-ID: <20191113023844.17800-2-Mark-MC.Lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20191113023844.17800-1-Mark-MC.Lee@mediatek.com> References: <20191113023844.17800-1-Mark-MC.Lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191112_183912_661893_F9D2BF73 X-CRM114-Status: GOOD ( 12.22 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Jakub Kicinski , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Rene van Dorst , Rob Herring , linux-mediatek@lists.infradead.org, MarkLee , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Integrate GDM/PSE setup operations into single function "mtk_gdm_config" Signed-off-by: MarkLee -- v1->v2: * Use the macro "MTK_MAC_COUNT" instead of a magic constant v2->v3: * Put spaces before and after the comment sentence --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 37 +++++++++++++-------- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 + 2 files changed, 24 insertions(+), 14 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 703adb96429e..6e7a7fea2f52 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -2180,6 +2180,28 @@ static int mtk_start_dma(struct mtk_eth *eth) return 0; } +static void mtk_gdm_config(struct mtk_eth *eth, u32 config) +{ + int i; + + for (i = 0; i < MTK_MAC_COUNT; i++) { + u32 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i)); + + /* default setup the forward port to send frame to PDMA */ + val &= ~0xffff; + + /* Enable RX checksum */ + val |= MTK_GDMA_ICS_EN | MTK_GDMA_TCS_EN | MTK_GDMA_UCS_EN; + + val |= config; + + mtk_w32(eth, val, MTK_GDMA_FWD_CFG(i)); + } + /* Reset and enable PSE */ + mtk_w32(eth, RST_GL_PSE, MTK_RST_GL); + mtk_w32(eth, 0, MTK_RST_GL); +} + static int mtk_open(struct net_device *dev) { struct mtk_mac *mac = netdev_priv(dev); @@ -2375,8 +2397,6 @@ static int mtk_hw_init(struct mtk_eth *eth) mtk_w32(eth, 0, MTK_QDMA_DELAY_INT); mtk_tx_irq_disable(eth, ~0); mtk_rx_irq_disable(eth, ~0); - mtk_w32(eth, RST_GL_PSE, MTK_RST_GL); - mtk_w32(eth, 0, MTK_RST_GL); /* FE int grouping */ mtk_w32(eth, MTK_TX_DONE_INT, MTK_PDMA_INT_GRP1); @@ -2385,18 +2405,7 @@ static int mtk_hw_init(struct mtk_eth *eth) mtk_w32(eth, MTK_RX_DONE_INT, MTK_QDMA_INT_GRP2); mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP); - for (i = 0; i < MTK_MAC_COUNT; i++) { - u32 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i)); - - /* setup the forward port to send frame to PDMA */ - val &= ~0xffff; - - /* Enable RX checksum */ - val |= MTK_GDMA_ICS_EN | MTK_GDMA_TCS_EN | MTK_GDMA_UCS_EN; - - /* setup the mac dma */ - mtk_w32(eth, val, MTK_GDMA_FWD_CFG(i)); - } + mtk_gdm_config(eth, MTK_GDMA_TO_PDMA); return 0; diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 76bd12cb8150..b16d8d9b196a 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -84,6 +84,7 @@ #define MTK_GDMA_ICS_EN BIT(22) #define MTK_GDMA_TCS_EN BIT(21) #define MTK_GDMA_UCS_EN BIT(20) +#define MTK_GDMA_TO_PDMA 0x0 /* Unicast Filter MAC Address Register - Low */ #define MTK_GDMA_MAC_ADRL(x) (0x508 + (x * 0x1000)) -- 2.17.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek