From patchwork Mon Feb 28 15:17:58 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: kishore kadiyala X-Patchwork-Id: 595831 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p1SFAqSR023183 for ; Mon, 28 Feb 2011 15:10:55 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754743Ab1B1PKt (ORCPT ); Mon, 28 Feb 2011 10:10:49 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:43692 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754729Ab1B1PKs (ORCPT ); Mon, 28 Feb 2011 10:10:48 -0500 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id p1SF9spH023357 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 28 Feb 2011 09:09:56 -0600 Received: from ucmsshproxy.india.ext.ti.com (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with SMTP id p1SF9mMn001930; Mon, 28 Feb 2011 20:39:48 +0530 (IST) Received: from localhost (unknown [10.24.244.160]) by ucmsshproxy.india.ext.ti.com (Postfix) with ESMTP id 112D3158003; Mon, 28 Feb 2011 20:39:48 +0530 (IST) From: Kishore Kadiyala To: linux-mmc@vger.kernel.org, linux-omap@vger.kernel.org Cc: tony@atomide.com, cjb@laptop.org, madhu.cr@ti.com, khilman@deeprootsystems.com, paul@pwsan.com, b-cousson@ti.com, Anand Gadiyar , Kishore Kadiyala Subject: [PATCH v6 1/8] omap: mmc: split out init for 2420 Date: Mon, 28 Feb 2011 20:47:58 +0530 Message-Id: <1298906285-29895-2-git-send-email-kishore.kadiyala@ti.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1298906285-29895-1-git-send-email-kishore.kadiyala@ti.com> References: <1298906285-29895-1-git-send-email-kishore.kadiyala@ti.com> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Mon, 28 Feb 2011 15:10:55 +0000 (UTC) diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index b36cbd2..e710cd9 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -536,7 +536,7 @@ static void __init n8x0_mmc_init(void) } mmc_data[0] = &mmc1_data; - omap2_init_mmc(mmc_data, OMAP24XX_NR_MMC); + omap242x_init_mmc(mmc_data); } #else diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 9ee876f..100bb42 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -650,11 +650,10 @@ err1: static inline void omap_hsmmc_reset(void) {} #endif -#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \ - defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) +#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) -static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller, - int controller_nr) +static inline void omap242x_mmc_mux(struct omap_mmc_platform_data + *mmc_controller) { if ((mmc_controller->slots[0].switch_pin > 0) && \ (mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES)) @@ -665,33 +664,61 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller, omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp, OMAP_PIN_INPUT_PULLUP); - if (cpu_is_omap2420() && controller_nr == 0) { - omap_mux_init_signal("sdmmc_cmd", 0); - omap_mux_init_signal("sdmmc_clki", 0); - omap_mux_init_signal("sdmmc_clko", 0); - omap_mux_init_signal("sdmmc_dat0", 0); - omap_mux_init_signal("sdmmc_dat_dir0", 0); - omap_mux_init_signal("sdmmc_cmd_dir", 0); - if (mmc_controller->slots[0].caps & MMC_CAP_4_BIT_DATA) { - omap_mux_init_signal("sdmmc_dat1", 0); - omap_mux_init_signal("sdmmc_dat2", 0); - omap_mux_init_signal("sdmmc_dat3", 0); - omap_mux_init_signal("sdmmc_dat_dir1", 0); - omap_mux_init_signal("sdmmc_dat_dir2", 0); - omap_mux_init_signal("sdmmc_dat_dir3", 0); - } + omap_mux_init_signal("sdmmc_cmd", 0); + omap_mux_init_signal("sdmmc_clki", 0); + omap_mux_init_signal("sdmmc_clko", 0); + omap_mux_init_signal("sdmmc_dat0", 0); + omap_mux_init_signal("sdmmc_dat_dir0", 0); + omap_mux_init_signal("sdmmc_cmd_dir", 0); + if (mmc_controller->slots[0].caps & MMC_CAP_4_BIT_DATA) { + omap_mux_init_signal("sdmmc_dat1", 0); + omap_mux_init_signal("sdmmc_dat2", 0); + omap_mux_init_signal("sdmmc_dat3", 0); + omap_mux_init_signal("sdmmc_dat_dir1", 0); + omap_mux_init_signal("sdmmc_dat_dir2", 0); + omap_mux_init_signal("sdmmc_dat_dir3", 0); + } - /* - * Use internal loop-back in MMC/SDIO Module Input Clock - * selection - */ - if (mmc_controller->slots[0].internal_clock) { - u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); - v |= (1 << 24); - omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); - } + /* + * Use internal loop-back in MMC/SDIO Module Input Clock + * selection + */ + if (mmc_controller->slots[0].internal_clock) { + u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); + v |= (1 << 24); + omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); + } +} + +void __init omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data) +{ + char *name = "mmci-omap"; + + if (!mmc_data[0]) { + pr_err("%s fails: Incomplete platform data\n", __func__); + return; } + omap242x_mmc_mux(mmc_data[0]); + omap_mmc_add(name, 0, OMAP2_MMC1_BASE, OMAP2420_MMC_SIZE, + INT_24XX_MMC_IRQ, mmc_data[0]); +} + +#endif + +#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) + +static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller, + int controller_nr) +{ + if ((mmc_controller->slots[0].switch_pin > 0) && \ + (mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES)) + omap_mux_init_gpio(mmc_controller->slots[0].switch_pin, + OMAP_PIN_INPUT_PULLUP); + if ((mmc_controller->slots[0].gpio_wp > 0) && \ + (mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES)) + omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp, + OMAP_PIN_INPUT_PULLUP); if (cpu_is_omap34xx()) { if (controller_nr == 0) { omap_mux_init_signal("sdmmc1_clk", @@ -808,10 +835,7 @@ void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, continue; } - if (cpu_is_omap2420()) { - size = OMAP2420_MMC_SIZE; - name = "mmci-omap"; - } else if (cpu_is_omap44xx()) { + if (cpu_is_omap44xx()) { if (i < 3) irq += OMAP44XX_IRQ_GIC_START; size = OMAP4_HSMMC_SIZE; diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h index f57f36a..e5de5d4 100644 --- a/arch/arm/plat-omap/include/plat/mmc.h +++ b/arch/arm/plat-omap/include/plat/mmc.h @@ -159,6 +159,7 @@ extern void omap_mmc_notify_cover_event(struct device *dev, int slot, defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, int nr_controllers); +void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data); void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, int nr_controllers); int omap_mmc_add(const char *name, int id, unsigned long base, @@ -169,6 +170,9 @@ static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, int nr_controllers) { } +static inline void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data) +{ +} static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, int nr_controllers) {