+++ /dev/null
-Received: from mail.service.utwente.nl ([130.89.5.253]) by exchange.service.utwente.nl with Microsoft SMTPSVC(6.0.3790.3959);
- Mon, 4 Aug 2008 17:59:28 +0200
-Received: from mx.utwente.nl ([130.89.2.12]) by mail.service.utwente.nl with Microsoft SMTPSVC(6.0.3790.3959);
- Mon, 4 Aug 2008 17:59:27 +0200
-Received: from vger.kernel.org (vger.kernel.org [209.132.176.167])
- by mx.utwente.nl (8.12.10/SuSE Linux 0.7) with ESMTP id m74FwiDg028981
- for <k.kooi@student.utwente.nl>; Mon, 4 Aug 2008 17:58:45 +0200
-Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
- id S1754560AbYHDP6O (ORCPT <rfc822;k.kooi@student.utwente.nl>);
- Mon, 4 Aug 2008 11:58:14 -0400
-Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756033AbYHDP6N
- (ORCPT <rfc822;linux-omap-outgoing>); Mon, 4 Aug 2008 11:58:13 -0400
-Received: from fg-out-1718.google.com ([72.14.220.154]:19323 "EHLO
- fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
- with ESMTP id S1757716AbYHDP6L (ORCPT
- <rfc822;linux-omap@vger.kernel.org>); Mon, 4 Aug 2008 11:58:11 -0400
-Received: by fg-out-1718.google.com with SMTP id 19so1022490fgg.17
- for <linux-omap@vger.kernel.org>; Mon, 04 Aug 2008 08:58:10 -0700 (PDT)
-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
- d=googlemail.com; s=gamma;
- h=domainkey-signature:received:received:message-id:date:from
- :user-agent:x-accept-language:mime-version:to:cc:subject
- :content-type;
- bh=9UH32BpZIt6pkxG3XXDaUMdlsAxT/6HeJgy/cl4UMoY=;
- b=f81vPPHp6KYejbQyr/s6gwGwGNYUr4art1U829ybVG5aVezJQUy8iuNQqgwPGNLhz+
- sCPYTp/d7RKpnui9FFxQcy5HOMggvJAgdxr49Y61RZMM+OJS2BugTaUUXWS3/RoEBR+h
- o/UXxMqR45NI684Nvvcx56Qc4NZQOIyiW3U1I=
-DomainKey-Signature: a=rsa-sha1; c=nofws;
- d=googlemail.com; s=gamma;
- h=message-id:date:from:user-agent:x-accept-language:mime-version:to
- :cc:subject:content-type;
- b=lVauU4WHsnkoGN1/uhQ8jzixuaX2VXizHsSNc8Tq8RZPvOw+yZfIGd1ix6QWVBjttR
- 9TgcojtGA0jx2hYbplibTmFPnoDcKym2qyF5DrX+G0ZLD/nVA+K9bd16sHErFeNz5eId
- tx0WvpQ2hkVKKG4NgJqINAGB3iNcP80PlM/vk=
-Received: by 10.86.70.11 with SMTP id s11mr3676282fga.15.1217865490017;
- Mon, 04 Aug 2008 08:58:10 -0700 (PDT)
-Received: from ?192.168.178.25? ( [195.4.48.71])
- by mx.google.com with ESMTPS id d4sm55517fga.8.2008.08.04.08.58.08
- (version=TLSv1/SSLv3 cipher=RC4-MD5);
- Mon, 04 Aug 2008 08:58:09 -0700 (PDT)
-Message-ID: <4897270F.7000205@googlemail.com>
-Date: Mon, 04 Aug 2008 17:58:07 +0200
-From: Dirk Behme <dirk.behme@googlemail.com>
-User-Agent: Mozilla Thunderbird 1.0.7 (X11/20050923)
-X-Accept-Language: en-us, en
-MIME-Version: 1.0
-To: "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>
-CC: Steve Sakoman <sakoman@gmail.com>
-Subject: [PATCH 1/3 v2] mtd omap2 nand driver: extend to work with omap3 boards
-Content-Type: multipart/mixed;
- boundary="------------070804080507040009060104"
-Sender: linux-omap-owner@vger.kernel.org
-Precedence: bulk
-List-ID: <linux-omap.vger.kernel.org>
-X-Mailing-List: linux-omap@vger.kernel.org
-X-UTwente-MailScanner-Information: Scanned by MailScanner. Contact servicedesk@icts.utwente.nl for more information.
-X-UTwente-MailScanner: Found to be clean
-X-UTwente-MailScanner-From: linux-omap-owner@vger.kernel.org
-X-Spam-Status: No
-Return-Path: linux-omap-owner@vger.kernel.org
-X-OriginalArrivalTime: 04 Aug 2008 15:59:28.0133 (UTC) FILETIME=[12F8BB50:01C8F64B]
-
-This is a multi-part message in MIME format.
---------------070804080507040009060104
-Content-Type: text/plain; charset=ISO-8859-1; format=flowed
-Content-Transfer-Encoding: 7bit
-
-From: Teerth Reddy <teerth@ti.com>, Steve Sakoman <steve@sakoman.com>,
-Dirk Behme <dirk.behme@gmail.com>
-
-Extend omap2 mtd nand driver to work with ARCH_OMAP3 boards
-
-Signed-off-by: Steve Sakoman <steve@sakoman.com>
-Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
-
-
---------------070804080507040009060104
-Content-Type: text/plain;
- name="1_nand.txt"
-Content-Transfer-Encoding: 7bit
-Content-Disposition: inline;
- filename="1_nand.txt"
-
-Index: linux-beagle/drivers/mtd/nand/Kconfig
-===================================================================
---- linux-beagle.orig/drivers/mtd/nand/Kconfig
-+++ linux-beagle/drivers/mtd/nand/Kconfig
-@@ -70,10 +70,10 @@ config MTD_NAND_AMS_DELTA
- Support for NAND flash on Amstrad E3 (Delta).
-
- config MTD_NAND_OMAP2
-- tristate "NAND Flash device on OMAP 2420H4/2430SDP boards"
-- depends on (ARM && ARCH_OMAP2 && MTD_NAND)
-+ tristate "NAND Flash device on OMAP2 and OMAP3"
-+ depends on ARM && MTD_NAND && (ARCH_OMAP2 || ARCH_OMAP3)
- help
-- Support for NAND flash on Texas Instruments 2430SDP/2420H4 platforms.
-+ Support for NAND flash on Texas Instruments OMAP2 and OMAP3 platforms.
-
- config MTD_NAND_OMAP
- tristate "NAND Flash device on OMAP H3/H2/P2 boards"
-Index: linux-beagle/drivers/mtd/nand/omap2.c
-===================================================================
---- linux-beagle.orig/drivers/mtd/nand/omap2.c
-+++ linux-beagle/drivers/mtd/nand/omap2.c
-@@ -111,15 +111,6 @@
- static const char *part_probes[] = { "cmdlinepart", NULL };
- #endif
-
--static int hw_ecc = 1;
--
--/* new oob placement block for use with hardware ecc generation */
--static struct nand_ecclayout omap_hw_eccoob = {
-- .eccbytes = 12,
-- .eccpos = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13},
-- .oobfree = {{16, 32}, {33, 63} },
--};
--
- struct omap_nand_info {
- struct nand_hw_control controller;
- struct omap_nand_platform_data *pdata;
-@@ -133,6 +124,13 @@ struct omap_nand_info {
- void __iomem *gpmc_cs_baseaddr;
- void __iomem *gpmc_baseaddr;
- };
-+
-+/*
-+ * omap_nand_wp - This function enable or disable the Write Protect feature on
-+ * NAND device
-+ * @mtd: MTD device structure
-+ * @mode: WP ON/OFF
-+ */
- static void omap_nand_wp(struct mtd_info *mtd, int mode)
- {
- struct omap_nand_info *info = container_of(mtd,
-@@ -189,11 +187,11 @@ static void omap_hwcontrol(struct mtd_in
- }
-
- /*
--* omap_read_buf - read data from NAND controller into buffer
--* @mtd: MTD device structure
--* @buf: buffer to store date
--* @len: number of bytes to read
--*/
-+ * omap_read_buf - read data from NAND controller into buffer
-+ * @mtd: MTD device structure
-+ * @buf: buffer to store date
-+ * @len: number of bytes to read
-+ */
- static void omap_read_buf(struct mtd_info *mtd, u_char *buf, int len)
- {
- struct omap_nand_info *info = container_of(mtd,
-@@ -207,11 +205,11 @@ static void omap_read_buf(struct mtd_inf
- }
-
- /*
--* omap_write_buf - write buffer to NAND controller
--* @mtd: MTD device structure
--* @buf: data buffer
--* @len: number of bytes to write
--*/
-+ * omap_write_buf - write buffer to NAND controller
-+ * @mtd: MTD device structure
-+ * @buf: data buffer
-+ * @len: number of bytes to write
-+ */
- static void omap_write_buf(struct mtd_info *mtd, const u_char * buf, int len)
- {
- struct omap_nand_info *info = container_of(mtd,
-@@ -250,10 +248,16 @@ static int omap_verify_buf(struct mtd_in
- return 0;
- }
-
-+#ifdef CONFIG_MTD_NAND_OMAP_HWECC
-+/*
-+ * omap_hwecc_init-Initialize the Hardware ECC for NAND flash in GPMC controller
-+ * @mtd: MTD device structure
-+ */
- static void omap_hwecc_init(struct mtd_info *mtd)
- {
- struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
- mtd);
-+ register struct nand_chip *chip = mtd->priv;
- unsigned long val = 0x0;
-
- /* Read from ECC Control Register */
-@@ -264,16 +268,15 @@ static void omap_hwecc_init(struct mtd_i
-
- /* Read from ECC Size Config Register */
- val = __raw_readl(info->gpmc_baseaddr + GPMC_ECC_SIZE_CONFIG);
-- /* ECCSIZE1=512 | ECCSIZE0=8bytes | Select eccResultsize[0123] */
-- val = ((0x000000FF<<22) | (0x00000003<<12) | (0x0000000F));
-+ /* ECCSIZE1=512 | Select eccResultsize[0-3] */
-+ val = ((((chip->ecc.size >> 1) - 1) << 22) | (0x0000000F));
- __raw_writel(val, info->gpmc_baseaddr + GPMC_ECC_SIZE_CONFIG);
--
--
- }
-
- /*
-- * This function will generate true ECC value, which can be used
-+ * gen_true_ecc - This function will generate true ECC value, which can be used
- * when correcting data read from NAND flash memory core
-+ * @ecc_buf: buffer to store ecc code
- */
- static void gen_true_ecc(u8 *ecc_buf)
- {
-@@ -289,8 +292,12 @@ static void gen_true_ecc(u8 *ecc_buf)
- }
-
- /*
-- * This function compares two ECC's and indicates if there is an error.
-- * If the error can be corrected it will be corrected to the buffer
-+ * omap_compare_ecc - This function compares two ECC's and indicates if there
-+ * is an error. If the error can be corrected it will be corrected to the
-+ * buffer
-+ * @ecc_data1: ecc code from nand spare area
-+ * @ecc_data2: ecc code from hardware register obtained from hardware ecc
-+ * @page_data: page data
- */
- static int omap_compare_ecc(u8 *ecc_data1, /* read from NAND memory */
- u8 *ecc_data2, /* read from register */
-@@ -409,6 +416,14 @@ static int omap_compare_ecc(u8 *ecc_data
- }
- }
-
-+/*
-+ * omap_correct_data - Compares the ecc read from nand spare area with ECC
-+ * registers values and corrects one bit error if it has occured
-+ * @mtd: MTD device structure
-+ * @dat: page data
-+ * @read_ecc: ecc read from nand flash
-+ * @calc_ecc: ecc read from ECC registers
-+ */
- static int omap_correct_data(struct mtd_info *mtd, u_char * dat,
- u_char * read_ecc, u_char * calc_ecc)
- {
-@@ -436,65 +451,64 @@ static int omap_correct_data(struct mtd_
- }
-
- /*
--** Generate non-inverted ECC bytes.
--**
--** Using noninverted ECC can be considered ugly since writing a blank
--** page ie. padding will clear the ECC bytes. This is no problem as long
--** nobody is trying to write data on the seemingly unused page.
--**
--** Reading an erased page will produce an ECC mismatch between
--** generated and read ECC bytes that has to be dealt with separately.
--*/
-+ * omap_calcuate_ecc - Generate non-inverted ECC bytes.
-+ * Using noninverted ECC can be considered ugly since writing a blank
-+ * page ie. padding will clear the ECC bytes. This is no problem as long
-+ * nobody is trying to write data on the seemingly unused page. Reading
-+ * an erased page will produce an ECC mismatch between generated and read
-+ * ECC bytes that has to be dealt with separately.
-+ * @mtd: MTD device structure
-+ * @dat: The pointer to data on which ecc is computed
-+ * @ecc_code: The ecc_code buffer
-+ */
- static int omap_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
- u_char *ecc_code)
- {
- struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
- mtd);
- unsigned long val = 0x0;
-- unsigned long reg, n;
--
-- /* Ex NAND_ECC_HW12_2048 */
-- if ((info->nand.ecc.mode == NAND_ECC_HW) &&
-- (info->nand.ecc.size == 2048))
-- n = 4;
-- else
-- n = 1;
-+ unsigned long reg;
-
- /* Start Reading from HW ECC1_Result = 0x200 */
- reg = (unsigned long)(info->gpmc_baseaddr + GPMC_ECC1_RESULT);
-- while (n--) {
-- val = __raw_readl(reg);
-- *ecc_code++ = val; /* P128e, ..., P1e */
-- *ecc_code++ = val >> 16; /* P128o, ..., P1o */
-- /* P2048o, P1024o, P512o, P256o, P2048e, P1024e, P512e, P256e */
-- *ecc_code++ = ((val >> 8) & 0x0f) | ((val >> 20) & 0xf0);
-- reg += 4;
-- }
-+ val = __raw_readl(reg);
-+ *ecc_code++ = val; /* P128e, ..., P1e */
-+ *ecc_code++ = val >> 16; /* P128o, ..., P1o */
-+ /* P2048o, P1024o, P512o, P256o, P2048e, P1024e, P512e, P256e */
-+ *ecc_code++ = ((val >> 8) & 0x0f) | ((val >> 20) & 0xf0);
-+ reg += 4;
-
- return 0;
--} /* omap_calculate_ecc */
-+}
-
-+/*
-+ * omap_enable_hwecc - This function enables the hardware ecc functionality
-+ * @mtd: MTD device structure
-+ * @mode: Read/Write mode
-+ */
- static void omap_enable_hwecc(struct mtd_info *mtd, int mode)
- {
- struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
- mtd);
-+ register struct nand_chip *chip = mtd->priv;
-+ unsigned int dev_width = (chip->options & NAND_BUSWIDTH_16) ? 1 : 0;
- unsigned long val = __raw_readl(info->gpmc_baseaddr + GPMC_ECC_CONFIG);
-
- switch (mode) {
- case NAND_ECC_READ :
- __raw_writel(0x101, info->gpmc_baseaddr + GPMC_ECC_CONTROL);
-- /* ECC 16 bit col) | ( CS 0 ) | ECC Enable */
-- val = (1 << 7) | (0x0) | (0x1) ;
-+ /* (ECC 16 or 8 bit col) | ( CS ) | ECC Enable */
-+ val = (dev_width << 7) | (info->gpmc_cs << 1) | (0x1);
- break;
- case NAND_ECC_READSYN :
-- __raw_writel(0x100, info->gpmc_baseaddr + GPMC_ECC_CONTROL);
-- /* ECC 16 bit col) | ( CS 0 ) | ECC Enable */
-- val = (1 << 7) | (0x0) | (0x1) ;
-+ __raw_writel(0x100, info->gpmc_baseaddr + GPMC_ECC_CONTROL);
-+ /* (ECC 16 or 8 bit col) | ( CS ) | ECC Enable */
-+ val = (dev_width << 7) | (info->gpmc_cs << 1) | (0x1);
- break;
- case NAND_ECC_WRITE :
- __raw_writel(0x101, info->gpmc_baseaddr + GPMC_ECC_CONTROL);
-- /* ECC 16 bit col) | ( CS 0 ) | ECC Enable */
-- val = (1 << 7) | (0x0) | (0x1) ;
-+ /* (ECC 16 or 8 bit col) | ( CS ) | ECC Enable */
-+ val = (dev_width << 7) | (info->gpmc_cs << 1) | (0x1);
- break;
- default:
- DEBUG(MTD_DEBUG_LEVEL0, "Error: Unrecognized Mode[%d]!\n",
-@@ -504,7 +518,38 @@ static void omap_enable_hwecc(struct mtd
-
- __raw_writel(val, info->gpmc_baseaddr + GPMC_ECC_CONFIG);
- }
-+#endif
-+
-+/*
-+ * omap_wait - Wait function is called during Program and erase
-+ * operations and the way it is called from MTD layer, we should wait
-+ * till the NAND chip is ready after the programming/erase operation
-+ * has completed.
-+ * @mtd: MTD device structure
-+ * @chip: NAND Chip structure
-+ */
-+static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip)
-+{
-+ register struct nand_chip *this = mtd->priv;
-+ struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
-+ mtd);
-+ int status = 0;
-+
-+ this->IO_ADDR_W = (void *) info->gpmc_cs_baseaddr +
-+ GPMC_CS_NAND_COMMAND;
-+ this->IO_ADDR_R = (void *) info->gpmc_cs_baseaddr + GPMC_CS_NAND_DATA;
-+
-+ while (!(status & 0x40)) {
-+ __raw_writeb(NAND_CMD_STATUS & 0xFF, this->IO_ADDR_W);
-+ status = __raw_readb(this->IO_ADDR_R);
-+ }
-+ return status;
-+}
-
-+/*
-+ * omap_dev_ready - calls the platform specific dev_ready function
-+ * @mtd: MTD device structure
-+ */
- static int omap_dev_ready(struct mtd_info *mtd)
- {
- struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
-@@ -534,7 +579,7 @@ static int __devinit omap_nand_probe(str
- struct omap_nand_info *info;
- struct omap_nand_platform_data *pdata;
- int err;
-- unsigned long val;
-+ unsigned long val;
-
-
- pdata = pdev->dev.platform_data;
-@@ -568,15 +613,20 @@ static int __devinit omap_nand_probe(str
- }
-
- /* Enable RD PIN Monitoring Reg */
-- val = gpmc_cs_read_reg(info->gpmc_cs, GPMC_CS_CONFIG1);
-- val |= WR_RD_PIN_MONITORING;
-- gpmc_cs_write_reg(info->gpmc_cs, GPMC_CS_CONFIG1, val);
-+ if (pdata->dev_ready) {
-+ val = gpmc_cs_read_reg(info->gpmc_cs, GPMC_CS_CONFIG1);
-+ val |= WR_RD_PIN_MONITORING;
-+ gpmc_cs_write_reg(info->gpmc_cs, GPMC_CS_CONFIG1, val);
-+ }
-
- val = gpmc_cs_read_reg(info->gpmc_cs, GPMC_CS_CONFIG7);
- val &= ~(0xf << 8);
- val |= (0xc & 0xf) << 8;
- gpmc_cs_write_reg(info->gpmc_cs, GPMC_CS_CONFIG7, val);
-
-+ /* NAND write protect off */
-+ omap_nand_wp(&info->mtd, NAND_WP_OFF);
-+
- if (!request_mem_region(info->phys_base, NAND_IO_SIZE,
- pdev->dev.driver->name)) {
- err = -EBUSY;
-@@ -597,29 +647,39 @@ static int __devinit omap_nand_probe(str
- info->nand.write_buf = omap_write_buf;
- info->nand.verify_buf = omap_verify_buf;
-
-- info->nand.dev_ready = omap_dev_ready;
-- info->nand.chip_delay = 0;
--
-- /* Options */
-- info->nand.options = NAND_BUSWIDTH_16;
-- info->nand.options |= NAND_SKIP_BBTSCAN;
--
-- if (hw_ecc) {
-- /* init HW ECC */
-- omap_hwecc_init(&info->mtd);
--
-- info->nand.ecc.calculate = omap_calculate_ecc;
-- info->nand.ecc.hwctl = omap_enable_hwecc;
-- info->nand.ecc.correct = omap_correct_data;
-- info->nand.ecc.mode = NAND_ECC_HW;
-- info->nand.ecc.bytes = 12;
-- info->nand.ecc.size = 2048;
-- info->nand.ecc.layout = &omap_hw_eccoob;
--
-+ /*
-+ * If RDY/BSY line is connected to OMAP then use the omap ready funcrtion
-+ * and the generic nand_wait function which reads the status register
-+ * after monitoring the RDY/BSY line.Otherwise use a standard chip delay
-+ * which is slightly more than tR (AC Timing) of the NAND device and read
-+ * status register until you get a failure or success
-+ */
-+ if (pdata->dev_ready) {
-+ info->nand.dev_ready = omap_dev_ready;
-+ info->nand.chip_delay = 0;
- } else {
-- info->nand.ecc.mode = NAND_ECC_SOFT;
-+ info->nand.waitfunc = omap_wait;
-+ info->nand.chip_delay = 50;
- }
-
-+ info->nand.options |= NAND_SKIP_BBTSCAN;
-+ if ((gpmc_cs_read_reg(info->gpmc_cs, GPMC_CS_CONFIG1) & 0x3000)
-+ == 0x1000)
-+ info->nand.options |= NAND_BUSWIDTH_16;
-+
-+#ifdef CONFIG_MTD_NAND_OMAP_HWECC
-+ info->nand.ecc.bytes = 3;
-+ info->nand.ecc.size = 512;
-+ info->nand.ecc.calculate = omap_calculate_ecc;
-+ info->nand.ecc.hwctl = omap_enable_hwecc;
-+ info->nand.ecc.correct = omap_correct_data;
-+ info->nand.ecc.mode = NAND_ECC_HW;
-+
-+ /* init HW ECC */
-+ omap_hwecc_init(&info->mtd);
-+#else
-+ info->nand.ecc.mode = NAND_ECC_SOFT;
-+#endif
-
- /* DIP switches on some boards change between 8 and 16 bit
- * bus widths for flash. Try the other width if the first try fails.
-@@ -642,8 +702,6 @@ static int __devinit omap_nand_probe(str
- #endif
- add_mtd_device(&info->mtd);
-
-- omap_nand_wp(&info->mtd, NAND_WP_OFF);
--
- platform_set_drvdata(pdev, &info->mtd);
-
- return 0;
-
---------------070804080507040009060104--
---
-To unsubscribe from this list: send the line "unsubscribe linux-omap" in
-the body of a message to majordomo@vger.kernel.org
-More majordomo info at http://vger.kernel.org/majordomo-info.html
+++ /dev/null
-Received: from mail.service.utwente.nl ([130.89.5.253]) by exchange.service.utwente.nl with Microsoft SMTPSVC(6.0.3790.3959);
- Mon, 4 Aug 2008 17:59:27 +0200
-Received: from mx.utwente.nl ([130.89.2.12]) by mail.service.utwente.nl with Microsoft SMTPSVC(6.0.3790.3959);
- Mon, 4 Aug 2008 17:59:27 +0200
-Received: from vger.kernel.org (vger.kernel.org [209.132.176.167])
- by mx.utwente.nl (8.12.10/SuSE Linux 0.7) with ESMTP id m74FwiDh028981
- for <k.kooi@student.utwente.nl>; Mon, 4 Aug 2008 17:58:46 +0200
-Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
- id S1757030AbYHDP61 (ORCPT <rfc822;k.kooi@student.utwente.nl>);
- Mon, 4 Aug 2008 11:58:27 -0400
-Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756149AbYHDP61
- (ORCPT <rfc822;linux-omap-outgoing>); Mon, 4 Aug 2008 11:58:27 -0400
-Received: from fg-out-1718.google.com ([72.14.220.154]:19323 "EHLO
- fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
- with ESMTP id S1756263AbYHDP60 (ORCPT
- <rfc822;linux-omap@vger.kernel.org>); Mon, 4 Aug 2008 11:58:26 -0400
-Received: by fg-out-1718.google.com with SMTP id 19so1022490fgg.17
- for <linux-omap@vger.kernel.org>; Mon, 04 Aug 2008 08:58:25 -0700 (PDT)
-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
- d=googlemail.com; s=gamma;
- h=domainkey-signature:received:received:message-id:date:from
- :user-agent:x-accept-language:mime-version:to:cc:subject
- :content-type;
- bh=65WuA1p8Hw9I6a1ij+FIP5BOigKnPXbZo9w8e5jem0o=;
- b=genF0tqD5fHKd9/hzb3nyfM8o27WacwLhM+JdeHMRbOSUrlu7L7la1ApxJgERFMcFq
- xf6IPPxwpmi7JjsryIXlQbmRwqdF1XgJzndCYvCV9pZsWkPYr3FgeMBJmFxCyo41Yy5N
- 9uz+miJK5pzkHnReQOeE9w3KGI083vvhmF+SQ=
-DomainKey-Signature: a=rsa-sha1; c=nofws;
- d=googlemail.com; s=gamma;
- h=message-id:date:from:user-agent:x-accept-language:mime-version:to
- :cc:subject:content-type;
- b=Nl4sgHVkS4ocH1hg5cxzO4FV+n1IteOKAHKHTV43OL7cXJqVZbyQ2b/cBPgCsBqAX7
- 2xhUTl2Ruhq+w5MPlY+LJs/aLeIoS4DPcF3NjDAQJuuWYBWBsGMyrdUeClVfW76PsEEz
- 2S6sDl51zZ/ay/nohOXD7MKL+qvkDrIsTjyA8=
-Received: by 10.86.72.15 with SMTP id u15mr10510585fga.22.1217865504927;
- Mon, 04 Aug 2008 08:58:24 -0700 (PDT)
-Received: from ?192.168.178.25? ( [195.4.48.71])
- by mx.google.com with ESMTPS id 4sm160959fge.5.2008.08.04.08.58.23
- (version=TLSv1/SSLv3 cipher=RC4-MD5);
- Mon, 04 Aug 2008 08:58:24 -0700 (PDT)
-Message-ID: <4897271E.6000408@googlemail.com>
-Date: Mon, 04 Aug 2008 17:58:22 +0200
-From: Dirk Behme <dirk.behme@googlemail.com>
-User-Agent: Mozilla Thunderbird 1.0.7 (X11/20050923)
-X-Accept-Language: en-us, en
-MIME-Version: 1.0
-To: "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>
-CC: Steve Sakoman <steve@sakoman.com>
-Subject: [PATCH 2/3 v2] OMAP3 Beagle: add nand support
-Content-Type: multipart/mixed;
- boundary="------------030806030601010501010906"
-Sender: linux-omap-owner@vger.kernel.org
-Precedence: bulk
-List-ID: <linux-omap.vger.kernel.org>
-X-Mailing-List: linux-omap@vger.kernel.org
-X-UTwente-MailScanner-Information: Scanned by MailScanner. Contact servicedesk@icts.utwente.nl for more information.
-X-UTwente-MailScanner: Found to be clean
-X-UTwente-MailScanner-From: linux-omap-owner@vger.kernel.org
-X-Spam-Status: No
-Return-Path: linux-omap-owner@vger.kernel.org
-X-OriginalArrivalTime: 04 Aug 2008 15:59:27.0586 (UTC) FILETIME=[12A54420:01C8F64B]
-
-This is a multi-part message in MIME format.
---------------030806030601010501010906
-Content-Type: text/plain; charset=ISO-8859-1; format=flowed
-Content-Transfer-Encoding: 7bit
-
-From: Steve Sakoman <steve@sakoman.com>, Dirk Behme <dirk.behme@gmail.com>
-
-Add nand support to omap3beagle
-
-Signed-off-by: Steve Sakoman <steve@sakoman.com>
-Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
-
-
---------------030806030601010501010906
-Content-Type: text/plain;
- name="2_nand.txt"
-Content-Transfer-Encoding: 7bit
-Content-Disposition: inline;
- filename="2_nand.txt"
-
-Index: linux-beagle/arch/arm/mach-omap2/board-omap3beagle.c
-===================================================================
---- linux-beagle.orig/arch/arm/mach-omap2/board-omap3beagle.c
-+++ linux-beagle/arch/arm/mach-omap2/board-omap3beagle.c
-@@ -20,11 +20,15 @@
- #include <linux/clk.h>
- #include <linux/io.h>
- #include <linux/leds.h>
-+#include <linux/mtd/mtd.h>
-+#include <linux/mtd/partitions.h>
-+#include <linux/mtd/nand.h>
-
- #include <asm/hardware.h>
- #include <asm/mach-types.h>
- #include <asm/mach/arch.h>
- #include <asm/mach/map.h>
-+#include <asm/mach/flash.h>
-
- #include <asm/arch/gpio.h>
- #include <asm/arch/board.h>
-@@ -32,6 +36,64 @@
- #include <asm/arch/usb-ehci.h>
- #include <asm/arch/hsmmc.h>
- #include <asm/arch/common.h>
-+#include <asm/arch/gpmc.h>
-+#include <asm/arch/nand.h>
-+
-+#define GPMC_CS0_BASE 0x60
-+#define GPMC_CS_SIZE 0x30
-+
-+static struct mtd_partition omap3beagle_nand_partitions[] = {
-+ /* All the partition sizes are listed in terms of NAND block size */
-+ {
-+ .name = "X-Loader",
-+ .offset = 0,
-+ .size = 4*(64 * 2048),
-+ .mask_flags = MTD_WRITEABLE, /* force read-only */
-+ },
-+ {
-+ .name = "U-Boot",
-+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
-+ .size = 15*(64 * 2048),
-+ .mask_flags = MTD_WRITEABLE, /* force read-only */
-+ },
-+ {
-+ .name = "U-Boot Env",
-+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
-+ .size = 1*(64 * 2048),
-+ },
-+ {
-+ .name = "Kernel",
-+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
-+ .size = 32*(64 * 2048),
-+ },
-+ {
-+ .name = "File System",
-+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
-+ .size = MTDPART_SIZ_FULL,
-+ },
-+};
-+
-+static struct omap_nand_platform_data omap3beagle_nand_data = {
-+ .parts = omap3beagle_nand_partitions,
-+ .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
-+ .dma_channel = -1, /* disable DMA in OMAP NAND driver */
-+ .nand_setup = NULL,
-+ .dev_ready = NULL,
-+};
-+
-+static struct resource omap3beagle_nand_resource = {
-+ .flags = IORESOURCE_MEM,
-+};
-+
-+static struct platform_device omap3beagle_nand_device = {
-+ .name = "omap2-nand",
-+ .id = -1,
-+ .dev = {
-+ .platform_data = &omap3beagle_nand_data,
-+ },
-+ .num_resources = 1,
-+ .resource = &omap3beagle_nand_resource,
-+};
-
- static struct omap_uart_config omap3_beagle_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-@@ -113,6 +175,44 @@ static struct platform_device *omap3_bea
- &leds_gpio,
- };
-
-+void __init omap3beagle_flash_init(void)
-+{
-+ u8 cs = 0;
-+ u8 nandcs = GPMC_CS_NUM + 1;
-+
-+ u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
-+
-+ /* find out the chip-select on which NAND exists */
-+ while (cs < GPMC_CS_NUM) {
-+ u32 ret = 0;
-+ ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
-+
-+ if ((ret & 0xC00) == 0x800) {
-+ printk(KERN_INFO "Found NAND on CS%d\n", cs);
-+ if (nandcs > GPMC_CS_NUM)
-+ nandcs = cs;
-+ }
-+ cs++;
-+ }
-+
-+ if (nandcs > GPMC_CS_NUM) {
-+ printk(KERN_INFO "NAND: Unable to find configuration "
-+ "in GPMC\n ");
-+ return;
-+ }
-+
-+ if (nandcs < GPMC_CS_NUM) {
-+ omap3beagle_nand_data.cs = nandcs;
-+ omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
-+ (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
-+ omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
-+
-+ printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
-+ if (platform_device_register(&omap3beagle_nand_device) < 0)
-+ printk(KERN_ERR "Unable to register NAND device\n");
-+ }
-+}
-+
- static void __init omap3_beagle_init(void)
- {
- platform_add_devices(omap3_beagle_devices, ARRAY_SIZE(omap3_beagle_devices));
-@@ -122,6 +222,7 @@ static void __init omap3_beagle_init(voi
- hsmmc_init();
- usb_musb_init();
- usb_ehci_init();
-+ omap3beagle_flash_init();
- }
-
- arch_initcall(omap3_beagle_i2c_init);
-
---------------030806030601010501010906--
---
-To unsubscribe from this list: send the line "unsubscribe linux-omap" in
-the body of a message to majordomo@vger.kernel.org
-More majordomo info at http://vger.kernel.org/majordomo-info.html
projects / vuplus_openembedded / commitdiff