From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932647AbaFKJGh (ORCPT ); Wed, 11 Jun 2014 05:06:37 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:57645 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932410AbaFKI6i (ORCPT ); Wed, 11 Jun 2014 04:58:38 -0400 From: Roger Quadros To: , , CC: , , , , , , , , , Roger Quadros Subject: [PATCH 24/36] ARM: OMAP2+: gpmc: add NAND specific setup Date: Wed, 11 Jun 2014 11:56:29 +0300 Message-ID: <1402477001-31132-25-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1402477001-31132-1-git-send-email-rogerq@ti.com> References: <1402477001-31132-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Provide NAND specific resources and platform data. Signed-off-by: Roger Quadros --- arch/arm/mach-omap2/gpmc.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index c26ba3f..5563360 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1350,6 +1350,42 @@ static int gpmc_probe_dt(struct platform_device *pdev) } #endif +static int gpmc_nand_setup(struct platform_device *parent_pdev, + struct gpmc_omap_cs_data *cs) +{ + struct resource *res; + struct resource *res_gpmc; + + if (!cs->pdev) + return -EINVAL; + + res = cs->pdev->resource; + + if (cs->pdev->num_resources < 3) + return -EINVAL; + + if (resource_type(&res[1]) != IORESOURCE_MEM || + resource_type(&res[2]) != IORESOURCE_IRQ) + return -EINVAL; + + if (!cs->settings) + return -EINVAL; + + /* GPMC register space */ + res_gpmc = platform_get_resource(parent_pdev, IORESOURCE_MEM, 0); + if (!res_gpmc) + return -EINVAL; + + res[1] = *res_gpmc; + + /* setup IRQ resources */ + res[2].start = gpmc_irq; + + cs->settings->device_nand = true; + + return 0; +} + static void gpmc_probe_legacy(struct platform_device *pdev) { int i, rc; @@ -1401,6 +1437,15 @@ static void gpmc_probe_legacy(struct platform_device *pdev) /* FIXME: When do we need to call gpmc_cs_remap()? */ skip_mem: + /* Customized NAND setup */ + if (cs->is_nand) { + if (gpmc_nand_setup(pdev, cs)) { + dev_err(dev, "Error setting up NAND on CS %d\n", + i); + continue; + } + } + if (cs->settings) { if (gpmc_cs_program_settings(i, cs->settings)) { dev_err(dev, -- 1.8.3.2 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: [PATCH 24/36] ARM: OMAP2+: gpmc: add NAND specific setup Date: Wed, 11 Jun 2014 11:56:29 +0300 Message-ID: <1402477001-31132-25-git-send-email-rogerq@ti.com> References: <1402477001-31132-1-git-send-email-rogerq@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1402477001-31132-1-git-send-email-rogerq@ti.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+gldm-linux-mtd-36=gmane.org@lists.infradead.org To: tony@atomide.com, dwmw2@infradead.org, computersforpeace@gmail.com Cc: devicetree@vger.kernel.org, nsekhar@ti.com, linux-kernel@vger.kernel.org, kyungmin.park@samsung.com, linux-mtd@lists.infradead.org, pekon@ti.com, ezequiel.garcia@free-electrons.com, javier@dowhile0.org, linux-omap@vger.kernel.org, Roger Quadros List-Id: devicetree@vger.kernel.org Provide NAND specific resources and platform data. Signed-off-by: Roger Quadros --- arch/arm/mach-omap2/gpmc.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index c26ba3f..5563360 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1350,6 +1350,42 @@ static int gpmc_probe_dt(struct platform_device *pdev) } #endif +static int gpmc_nand_setup(struct platform_device *parent_pdev, + struct gpmc_omap_cs_data *cs) +{ + struct resource *res; + struct resource *res_gpmc; + + if (!cs->pdev) + return -EINVAL; + + res = cs->pdev->resource; + + if (cs->pdev->num_resources < 3) + return -EINVAL; + + if (resource_type(&res[1]) != IORESOURCE_MEM || + resource_type(&res[2]) != IORESOURCE_IRQ) + return -EINVAL; + + if (!cs->settings) + return -EINVAL; + + /* GPMC register space */ + res_gpmc = platform_get_resource(parent_pdev, IORESOURCE_MEM, 0); + if (!res_gpmc) + return -EINVAL; + + res[1] = *res_gpmc; + + /* setup IRQ resources */ + res[2].start = gpmc_irq; + + cs->settings->device_nand = true; + + return 0; +} + static void gpmc_probe_legacy(struct platform_device *pdev) { int i, rc; @@ -1401,6 +1437,15 @@ static void gpmc_probe_legacy(struct platform_device *pdev) /* FIXME: When do we need to call gpmc_cs_remap()? */ skip_mem: + /* Customized NAND setup */ + if (cs->is_nand) { + if (gpmc_nand_setup(pdev, cs)) { + dev_err(dev, "Error setting up NAND on CS %d\n", + i); + continue; + } + } + if (cs->settings) { if (gpmc_cs_program_settings(i, cs->settings)) { dev_err(dev, -- 1.8.3.2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros To: , , Subject: [PATCH 24/36] ARM: OMAP2+: gpmc: add NAND specific setup Date: Wed, 11 Jun 2014 11:56:29 +0300 Message-ID: <1402477001-31132-25-git-send-email-rogerq@ti.com> In-Reply-To: <1402477001-31132-1-git-send-email-rogerq@ti.com> References: <1402477001-31132-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Content-Type: text/plain Cc: devicetree@vger.kernel.org, nsekhar@ti.com, linux-kernel@vger.kernel.org, kyungmin.park@samsung.com, linux-mtd@lists.infradead.org, pekon@ti.com, ezequiel.garcia@free-electrons.com, javier@dowhile0.org, linux-omap@vger.kernel.org, Roger Quadros List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Provide NAND specific resources and platform data. Signed-off-by: Roger Quadros --- arch/arm/mach-omap2/gpmc.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index c26ba3f..5563360 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1350,6 +1350,42 @@ static int gpmc_probe_dt(struct platform_device *pdev) } #endif +static int gpmc_nand_setup(struct platform_device *parent_pdev, + struct gpmc_omap_cs_data *cs) +{ + struct resource *res; + struct resource *res_gpmc; + + if (!cs->pdev) + return -EINVAL; + + res = cs->pdev->resource; + + if (cs->pdev->num_resources < 3) + return -EINVAL; + + if (resource_type(&res[1]) != IORESOURCE_MEM || + resource_type(&res[2]) != IORESOURCE_IRQ) + return -EINVAL; + + if (!cs->settings) + return -EINVAL; + + /* GPMC register space */ + res_gpmc = platform_get_resource(parent_pdev, IORESOURCE_MEM, 0); + if (!res_gpmc) + return -EINVAL; + + res[1] = *res_gpmc; + + /* setup IRQ resources */ + res[2].start = gpmc_irq; + + cs->settings->device_nand = true; + + return 0; +} + static void gpmc_probe_legacy(struct platform_device *pdev) { int i, rc; @@ -1401,6 +1437,15 @@ static void gpmc_probe_legacy(struct platform_device *pdev) /* FIXME: When do we need to call gpmc_cs_remap()? */ skip_mem: + /* Customized NAND setup */ + if (cs->is_nand) { + if (gpmc_nand_setup(pdev, cs)) { + dev_err(dev, "Error setting up NAND on CS %d\n", + i); + continue; + } + } + if (cs->settings) { if (gpmc_cs_program_settings(i, cs->settings)) { dev_err(dev, -- 1.8.3.2