From patchwork Tue Sep 14 21:10:09 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cyril Chemparathy X-Patchwork-Id: 181022 Received: from comal.ext.ti.com (comal.ext.ti.com [198.47.26.152]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8ELENEN020772 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 14 Sep 2010 21:14:45 GMT Received: from dlep33.itg.ti.com ([157.170.170.112]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id o8ELC1Q0029879 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 14 Sep 2010 16:12:02 -0500 Received: from linux.omap.com (localhost [127.0.0.1]) by dlep33.itg.ti.com (8.13.7/8.13.7) with ESMTP id o8ELBxGb026371; Tue, 14 Sep 2010 16:11:59 -0500 (CDT) Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id E02DF80628; Tue, 14 Sep 2010 16:11:40 -0500 (CDT) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dlep36.itg.ti.com (dlep36.itg.ti.com [157.170.170.91]) by linux.omap.com (Postfix) with ESMTP id E507E80626 for ; Tue, 14 Sep 2010 16:10:31 -0500 (CDT) Received: from legion.dal.design.ti.com (localhost [127.0.0.1]) by dlep36.itg.ti.com (8.13.8/8.13.8) with ESMTP id o8ELAVAe000267; Tue, 14 Sep 2010 16:10:31 -0500 (CDT) Received: from gtrgwdeb (gtrgwdeb.telogy.design.ti.com [158.218.102.24]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id o8ELAUf27977; Tue, 14 Sep 2010 16:10:30 -0500 (CDT) Received: by gtrgwdeb (Postfix, from userid 39959) id 445C81E79CD; Tue, 14 Sep 2010 17:10:29 -0400 (EDT) From: Cyril Chemparathy To: netdev@vger.kernel.org, davinci-linux-open-source@linux.davincidsp.com, linux-omap@vger.kernel.org Subject: [PATCH v4 07/10] net: davinci_emac: cleanup unused mdio emac code Date: Tue, 14 Sep 2010 17:10:09 -0400 Message-Id: <1284498612-25294-8-git-send-email-cyril@ti.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1284498612-25294-1-git-send-email-cyril@ti.com> References: <1284498612-25294-1-git-send-email-cyril@ti.com> X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: davinci-linux-open-source-bounces@linux.davincidsp.com Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com X-Greylist: Sender succeeded STARTTLS authentication, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Tue, 14 Sep 2010 21:14:45 +0000 (UTC) diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c index 997f599..d4298cb 100644 --- a/drivers/net/davinci_emac.c +++ b/drivers/net/davinci_emac.c @@ -113,7 +113,6 @@ static const char emac_version_string[] = "TI DaVinci EMAC Linux v6.1"; #define EMAC_DEF_MAX_FRAME_SIZE (1500 + 14 + 4 + 4) #define EMAC_DEF_TX_CH (0) /* Default 0th channel */ #define EMAC_DEF_RX_CH (0) /* Default 0th channel */ -#define EMAC_DEF_MDIO_TICK_MS (10) /* typically 1 tick=1 ms) */ #define EMAC_DEF_MAX_TX_CH (1) /* Max TX channels configured */ #define EMAC_DEF_MAX_RX_CH (1) /* Max RX channels configured */ #define EMAC_POLL_WEIGHT (64) /* Default NAPI poll weight */ @@ -303,25 +302,6 @@ static const char emac_version_string[] = "TI DaVinci EMAC Linux v6.1"; #define EMAC_DM644X_INTMIN_INTVL 0x1 #define EMAC_DM644X_INTMAX_INTVL (EMAC_DM644X_EWINTCNT_MASK) -/* EMAC MDIO related */ -/* Mask & Control defines */ -#define MDIO_CONTROL_CLKDIV (0xFF) -#define MDIO_CONTROL_ENABLE BIT(30) -#define MDIO_USERACCESS_GO BIT(31) -#define MDIO_USERACCESS_WRITE BIT(30) -#define MDIO_USERACCESS_READ (0) -#define MDIO_USERACCESS_REGADR (0x1F << 21) -#define MDIO_USERACCESS_PHYADR (0x1F << 16) -#define MDIO_USERACCESS_DATA (0xFFFF) -#define MDIO_USERPHYSEL_LINKSEL BIT(7) -#define MDIO_VER_MODID (0xFFFF << 16) -#define MDIO_VER_REVMAJ (0xFF << 8) -#define MDIO_VER_REVMIN (0xFF) - -#define MDIO_USERACCESS(inst) (0x80 + (inst * 8)) -#define MDIO_USERPHYSEL(inst) (0x84 + (inst * 8)) -#define MDIO_CONTROL (0x04) - /* EMAC DM646X control module registers */ #define EMAC_DM646X_CMINTCTRL 0x0C #define EMAC_DM646X_CMRXINTEN 0x14 @@ -493,13 +473,6 @@ struct emac_priv { u32 mac_hash2; u32 multicast_hash_cnt[EMAC_NUM_MULTICAST_BITS]; u32 rx_addr_type; - /* periodic timer required for MDIO polling */ - struct timer_list periodic_timer; - u32 periodic_ticks; - u32 timer_active; - u32 phy_mask; - /* mii_bus,phy members */ - struct mii_bus *mii_bus; const char *phy_id; struct phy_device *phydev; spinlock_t lock; @@ -511,7 +484,6 @@ struct emac_priv { /* clock frequency for EMAC */ static struct clk *emac_clk; static unsigned long emac_bus_frequency; -static unsigned long mdio_max_freq; #define emac_virt_to_phys(addr, priv) \ (((u32 __force)(addr) - (u32 __force)(priv->emac_ctrl_ram)) \ @@ -549,9 +521,6 @@ static char *emac_rxhost_errcodes[16] = { #define emac_ctrl_read(reg) ioread32((priv->ctrl_base + (reg))) #define emac_ctrl_write(reg, val) iowrite32(val, (priv->ctrl_base + (reg))) -#define emac_mdio_read(reg) ioread32(bus->priv + (reg)) -#define emac_mdio_write(reg, val) iowrite32(val, (bus->priv + (reg))) - /** * emac_dump_regs: Dump important EMAC registers to debug terminal * @priv: The DaVinci EMAC private adapter structure @@ -657,9 +626,6 @@ static void emac_dump_regs(struct emac_priv *priv) emac_read(EMAC_RXDMAOVERRUNS)); } -/************************************************************************* - * EMAC MDIO/Phy Functionality - *************************************************************************/ /** * emac_get_drvinfo: Get EMAC driver information * @ndev: The DaVinci EMAC network adapter @@ -2349,79 +2315,6 @@ void emac_poll_controller(struct net_device *ndev) } #endif -/* PHY/MII bus related */ - -/* Wait until mdio is ready for next command */ -#define MDIO_WAIT_FOR_USER_ACCESS\ - while ((emac_mdio_read((MDIO_USERACCESS(0))) &\ - MDIO_USERACCESS_GO) != 0) - -static int emac_mii_read(struct mii_bus *bus, int phy_id, int phy_reg) -{ - unsigned int phy_data = 0; - unsigned int phy_control; - - /* Wait until mdio is ready for next command */ - MDIO_WAIT_FOR_USER_ACCESS; - - phy_control = (MDIO_USERACCESS_GO | - MDIO_USERACCESS_READ | - ((phy_reg << 21) & MDIO_USERACCESS_REGADR) | - ((phy_id << 16) & MDIO_USERACCESS_PHYADR) | - (phy_data & MDIO_USERACCESS_DATA)); - emac_mdio_write(MDIO_USERACCESS(0), phy_control); - - /* Wait until mdio is ready for next command */ - MDIO_WAIT_FOR_USER_ACCESS; - - return emac_mdio_read(MDIO_USERACCESS(0)) & MDIO_USERACCESS_DATA; - -} - -static int emac_mii_write(struct mii_bus *bus, int phy_id, - int phy_reg, u16 phy_data) -{ - - unsigned int control; - - /* until mdio is ready for next command */ - MDIO_WAIT_FOR_USER_ACCESS; - - control = (MDIO_USERACCESS_GO | - MDIO_USERACCESS_WRITE | - ((phy_reg << 21) & MDIO_USERACCESS_REGADR) | - ((phy_id << 16) & MDIO_USERACCESS_PHYADR) | - (phy_data & MDIO_USERACCESS_DATA)); - emac_mdio_write(MDIO_USERACCESS(0), control); - - return 0; -} - -static int emac_mii_reset(struct mii_bus *bus) -{ - unsigned int clk_div; - int mdio_bus_freq = emac_bus_frequency; - - if (mdio_max_freq && mdio_bus_freq) - clk_div = ((mdio_bus_freq / mdio_max_freq) - 1); - else - clk_div = 0xFF; - - clk_div &= MDIO_CONTROL_CLKDIV; - - /* Set enable and clock divider in MDIOControl */ - emac_mdio_write(MDIO_CONTROL, (clk_div | MDIO_CONTROL_ENABLE)); - - return 0; - -} - -static int mii_irqs[PHY_MAX_ADDR] = { PHY_POLL, PHY_POLL }; - -/* emac_driver: EMAC MII bus structure */ - -static struct mii_bus *emac_mii; - static void emac_adjust_link(struct net_device *ndev) { struct emac_priv *priv = netdev_priv(ndev); diff --git a/include/linux/davinci_emac.h b/include/linux/davinci_emac.h index 46a759f..5dd4285 100644 --- a/include/linux/davinci_emac.h +++ b/include/linux/davinci_emac.h @@ -24,10 +24,7 @@ struct emac_platform_data { u32 ctrl_mod_reg_offset; u32 ctrl_ram_offset; u32 hw_ram_addr; - u32 mdio_reg_offset; u32 ctrl_ram_size; - u32 phy_mask; - u32 mdio_max_freq; /* * phy_id can be one of the following: