From patchwork Fri Jan 30 20:28:38 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steve Sakoman X-Patchwork-Id: 4775 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n0UKbw8B032668 for ; Fri, 30 Jan 2009 20:37:59 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754506AbZA3Uh5 (ORCPT ); Fri, 30 Jan 2009 15:37:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754611AbZA3Uh5 (ORCPT ); Fri, 30 Jan 2009 15:37:57 -0500 Received: from mail-bw0-f12.google.com ([209.85.218.12]:44785 "EHLO mail-bw0-f12.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754506AbZA3Uh5 (ORCPT ); Fri, 30 Jan 2009 15:37:57 -0500 X-Greylist: delayed 460 seconds by postgrey-1.27 at vger.kernel.org; Fri, 30 Jan 2009 15:37:56 EST Received: by bwz5 with SMTP id 5so255367bwz.13 for ; Fri, 30 Jan 2009 12:37:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type:content-transfer-encoding; bh=rHf4nlKtoWHh+ISmErHjp6TXkHJns9Q+5ZrzoJy6rlg=; b=Zp9/dtePgxTDNVIe8z8the4nBDaxHbBf9HyTqGzTBji90d4vJoDP2nEu4t5BHnke6H 1jISeSzncUekyfGyXhBNtOWZ1oZvHBKy5TPOU2BX4mEc3dzaovrYUAVkvkydDqZt8Y/1 1/HxyyQy+n2DbwGCLu7RqMjQwElrTkP7vsb8U= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; b=tSX4vpol+CX+plpvKYLHBo+WMvSDobPkCuSw4kK6OEmVKu6FNa3G1NmFAlRNcY/dW+ d1J/YZG1HyoPtJTGjxzhhSAxHlxxZssC9allOg4wvy0i6r+42gp0A0MuuFrePJAVe/pm YqHuZUFgEBXKXRNfdUeiIM/zgQQLfm+ZPSB5w= MIME-Version: 1.0 Received: by 10.103.24.11 with SMTP id b11mr751507muj.58.1233347318122; Fri, 30 Jan 2009 12:28:38 -0800 (PST) Date: Fri, 30 Jan 2009 12:28:38 -0800 Message-ID: <5e088bd90901301228l3a0ab25m35a7341ac972e9de@mail.gmail.com> Subject: [RFC] ARM: Add SMSC911X support to Overo platform From: Steve Sakoman To: linux-omap , netdev@vger.kernel.org Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Gumstix will soon be shipping a variant of their Summit board that includes an SMSC9221 ethernet interface. This patch is intended to provide support via the smsc911x driver when enabled in defconfig. The final submission of course will also include an updated defconfig. Signed-off-by: Steve Sakoman --- the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 9995ac2..97d95a4 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -55,6 +55,63 @@ #define GPMC_CS0_BASE 0x60 #define GPMC_CS_SIZE 0x30 +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) + +#include + +static struct resource overo_smsc911x_resources[] = { + { + .name = "smsc911x-memory", + .flags = IORESOURCE_MEM, + }, + { + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, + }, +}; + +static struct smsc911x_platform_config overo_smsc911x_config = { + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, + .flags = SMSC911X_USE_32BIT , + .phy_interface = PHY_INTERFACE_MODE_MII, +}; + +static struct platform_device overo_smsc911x_device = { + .name = "smsc911x", + .id = -1, + .num_resources = ARRAY_SIZE(overo_smsc911x_resources), + .resource = &overo_smsc911x_resources, + .dev = { + .platform_data = &overo_smsc911x_config, + }, +}; + +static inline void __init overo_init_smsc911x(void) +{ + unsigned long cs_mem_base; + + if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) { + printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n"); + return; + } + + overo_smsc911x_resources[0].start = cs_mem_base + 0x0; + overo_smsc911x_resources[0].end = cs_mem_base + 0xff; + + if ((gpio_request(OVERO_SMSC911X_GPIO, "SMSC911X IRQ") == 0) && + (gpio_direction_input(OVERO_SMSC911X_GPIO) == 0)) { + gpio_export(OVERO_SMSC911X_GPIO, 0); + } else { + printk(KERN_ERR "could not obtain gpio for SMSC911X IRQ\n"); + return; + } + + overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO), + overo_smsc911x_resources[1].end = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO), +} + +#endif + static struct mtd_partition overo_nand_partitions[] = { { .name = "xloader", @@ -187,6 +244,9 @@ static void __init overo_init_irq(void) omap2_init_common_hw(mt46h32m32lf6_sdrc_params); omap_init_irq(); omap_gpio_init(); +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) + overo_init_smsc911x(); +#endif } static struct platform_device overo_lcd_device = { @@ -204,6 +264,9 @@ static struct omap_board_config_kernel overo_config[] __initdata = { }; static struct platform_device *overo_devices[] __initdata = { +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) + &overo_smsc911x_device, +#endif &overo_lcd_device, }; diff --git a/arch/arm/plat-omap/include/mach/board-overo.h b/arch/arm/plat-omap/include/mach/board-overo.h index 7ecae66..8635171 100644 --- a/arch/arm/plat-omap/include/mach/board-overo.h +++ b/arch/arm/plat-omap/include/mach/board-overo.h @@ -22,5 +22,8 @@ #define OVERO_GPIO_USBH_CPEN 168 #define OVERO_GPIO_USBH_NRESET 183 +#define OVERO_SMSC911X_CS 5 +#define OVERO_SMSC911X_GPIO 176 + #endif /* ____ASM_ARCH_OVERO_H */ -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in