From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH v6 1/9] davinci: EMAC support for Omapl138-Hawkboard Date: Fri, 29 Oct 2010 10:10:37 -0500 Message-ID: <1288365045-2709-2-git-send-email-vm.rod25@gmail.com> References: <1288365045-2709-1-git-send-email-vm.rod25@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from victor-desktop (unknown [200.52.114.70]) by alsa0.perex.cz (Postfix) with ESMTP id A0E302448F for ; Fri, 29 Oct 2010 17:10:48 +0200 (CEST) In-Reply-To: <1288365045-2709-1-git-send-email-vm.rod25@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: davinci-linux-open-source@linux.davincidsp.com Cc: alsa-devel@alsa-project.org, sshtylyov@mvista.com, khilman@deeprootsystems.com, broonie@opensource.wolfsonmicro.com, nsekhar@ti.com, khasim@ti.com, caglarakyuz@gmail.com, lrg@slimlogic.co.uk List-Id: alsa-devel@alsa-project.org From: Victor Rodriguez This patch adds EMAC support for the Hawkboard-L138 system Signed-off-by: Victor Rodriguez --- arch/arm/mach-davinci/board-omapl138-hawk.c | 43 +++++++++++++++++++++++++++ 1 files changed, 43 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index c472dd8..62d35f0 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -19,6 +19,47 @@ #include #include +#include + +#define HAWKBOARD_PHY_ID "0:07" + +static short omapl138_hawk_mii_pins[] __initdata = { + DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3, + DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER, + DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3, + DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK, + DA850_MDIO_D, + -1 +}; + +static __init void omapl138_hawk_config_emac(void) +{ + void __iomem *cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG); + int ret; + u32 val; + struct davinci_soc_info *soc_info = &davinci_soc_info; + + val = __raw_readl(cfgchip3); + val &= ~BIT(8); + ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins); + if (ret) { + pr_warning("%s: cpgmac/mii mux setup failed: %d\n", + __func__, ret); + return; + } + + /* configure the CFGCHIP3 register for MII */ + __raw_writel(val, cfgchip3); + pr_info("EMAC: MII PHY configured\n"); + + soc_info->emac_pdata->phy_id = HAWKBOARD_PHY_ID; + + ret = da8xx_register_emac(); + if (ret) + pr_warning("%s: emac registration failed: %d\n", + __func__, ret); +} + static struct davinci_uart_config omapl138_hawk_uart_config __initdata = { .enabled_uarts = 0x7, @@ -30,6 +71,8 @@ static __init void omapl138_hawk_init(void) davinci_serial_init(&omapl138_hawk_uart_config); + omapl138_hawk_config_emac(); + ret = da8xx_register_watchdog(); if (ret) pr_warning("omapl138_hawk_init: " -- 1.7.0.4