From patchwork Wed Aug 24 07:07:20 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huang Shijie X-Patchwork-Id: 1091292 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p7O6udP5005037 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 24 Aug 2011 06:57:00 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qw7Ny-0002zh-Qm; Wed, 24 Aug 2011 06:56:27 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Qw7Ny-0003fo-9u; Wed, 24 Aug 2011 06:56:26 +0000 Received: from ch1ehsobe005.messaging.microsoft.com ([216.32.181.185] helo=ch1outboundpool.messaging.microsoft.com) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qw7Nk-0003e7-Vc; Wed, 24 Aug 2011 06:56:14 +0000 Received: from mail106-ch1-R.bigfish.com (216.32.181.171) by CH1EHSOBE016.bigfish.com (10.43.70.66) with Microsoft SMTP Server id 14.1.225.22; Wed, 24 Aug 2011 06:56:11 +0000 Received: from mail106-ch1 (localhost.localdomain [127.0.0.1]) by mail106-ch1-R.bigfish.com (Postfix) with ESMTP id 24FEAF202A6; Wed, 24 Aug 2011 06:56:11 +0000 (UTC) X-SpamScore: 6 X-BigFish: VS6(zzc8kzz1202h1082kzz8275bhz2dh2a8h668h839h61h) X-Spam-TCS-SCL: 0:0 X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPVD:NLI; H:mail.freescale.net; RD:none; EFVD:NLI Received: from mail106-ch1 (localhost.localdomain [127.0.0.1]) by mail106-ch1 (MessageSwitch) id 1314168891824484_24401; Wed, 24 Aug 2011 06:54:51 +0000 (UTC) Received: from CH1EHSMHS032.bigfish.com (snatpool1.int.messaging.microsoft.com [10.43.68.245]) by mail106-ch1.bigfish.com (Postfix) with ESMTP id 3637E19380C8; Wed, 24 Aug 2011 06:54:20 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CH1EHSMHS032.bigfish.com (10.43.70.32) with Microsoft SMTP Server (TLS) id 14.1.225.22; Wed, 24 Aug 2011 06:54:20 +0000 Received: from az33smr01.freescale.net (10.64.34.199) by 039-SN1MMR1-003.039d.mgd.msft.net (10.84.1.16) with Microsoft SMTP Server id 14.1.323.2; Wed, 24 Aug 2011 01:54:19 -0500 Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by az33smr01.freescale.net (8.13.1/8.13.0) with ESMTP id p7O6sEur003213; Wed, 24 Aug 2011 01:54:17 -0500 (CDT) From: Huang Shijie To: Subject: [PATCH v8 1/4] ARM: mxs: add GPMI-NAND support for imx23/imx28 Date: Wed, 24 Aug 2011 15:07:20 +0800 Message-ID: <1314169643-23425-2-git-send-email-b32955@freescale.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1314169643-23425-1-git-send-email-b32955@freescale.com> References: <1314169643-23425-1-git-send-email-b32955@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110824_025613_188743_B9243438 X-CRM114-Status: GOOD ( 25.30 ) X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [216.32.181.185 listed in list.dnswl.org] Cc: Huang Shijie , linux-mtd@lists.infradead.org, w.sang@pengutronix.de, linux-arm-kernel@lists.infradead.org, dedekind1@gmail.com X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Wed, 24 Aug 2011 06:57:00 +0000 (UTC) add GPMI-NAND support for imx23 and imx28. Signed-off-by: Huang Shijie --- arch/arm/mach-mxs/clock-mx23.c | 1 + arch/arm/mach-mxs/clock-mx28.c | 1 + arch/arm/mach-mxs/devices-mx23.h | 4 + arch/arm/mach-mxs/devices-mx28.h | 4 + arch/arm/mach-mxs/devices/Kconfig | 3 + arch/arm/mach-mxs/devices/Makefile | 1 + arch/arm/mach-mxs/devices/platform-gpmi-nand.c | 109 +++++++++++++++++++++++ arch/arm/mach-mxs/include/mach/devices-common.h | 10 ++ include/linux/mtd/gpmi-nand.h | 68 ++++++++++++++ 9 files changed, 201 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-mxs/devices/platform-gpmi-nand.c create mode 100644 include/linux/mtd/gpmi-nand.h diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c index 0163b6d..4300ce5 100644 --- a/arch/arm/mach-mxs/clock-mx23.c +++ b/arch/arm/mach-mxs/clock-mx23.c @@ -456,6 +456,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk) _REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk) _REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk) + _REGISTER_CLOCK("imx23-gpmi-nand", NULL, gpmi_clk) }; static int clk_misc_init(void) diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index 5dcc59d..dc2052c 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -614,6 +614,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("duart", NULL, uart_clk) _REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk) _REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk) + _REGISTER_CLOCK("imx28-gpmi-nand", NULL, gpmi_clk) _REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk) _REGISTER_CLOCK("mxs-auart.1", NULL, uart_clk) _REGISTER_CLOCK("mxs-auart.2", NULL, uart_clk) diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h index c6f345f..ee8c525 100644 --- a/arch/arm/mach-mxs/devices-mx23.h +++ b/arch/arm/mach-mxs/devices-mx23.h @@ -21,6 +21,10 @@ extern const struct mxs_auart_data mx23_auart_data[] __initconst; #define mx23_add_auart0() mx23_add_auart(0) #define mx23_add_auart1() mx23_add_auart(1) +extern const struct mxs_gpmi_nand_data mx23_gpmi_nand_data __initconst; +#define mx23_add_gpmi_nand(pdata) \ + mxs_add_gpmi_nand(pdata, &mx23_gpmi_nand_data) + extern const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst; #define mx23_add_mxs_mmc(id, pdata) \ mxs_add_mxs_mmc(&mx23_mxs_mmc_data[id], pdata) diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h index 79b9452..2953f0d 100644 --- a/arch/arm/mach-mxs/devices-mx28.h +++ b/arch/arm/mach-mxs/devices-mx28.h @@ -34,6 +34,10 @@ extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst; #define mx28_add_flexcan0(pdata) mx28_add_flexcan(0, pdata) #define mx28_add_flexcan1(pdata) mx28_add_flexcan(1, pdata) +extern const struct mxs_gpmi_nand_data mx28_gpmi_nand_data __initconst; +#define mx28_add_gpmi_nand(pdata) \ + mxs_add_gpmi_nand(pdata, &mx28_gpmi_nand_data) + extern const struct mxs_mxs_i2c_data mx28_mxs_i2c_data[] __initconst; #define mx28_add_mxs_i2c(id) mxs_add_mxs_i2c(&mx28_mxs_i2c_data[id]) diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig index acf9eea..a3bca3c 100644 --- a/arch/arm/mach-mxs/devices/Kconfig +++ b/arch/arm/mach-mxs/devices/Kconfig @@ -12,6 +12,9 @@ config MXS_HAVE_PLATFORM_FLEXCAN select HAVE_CAN_FLEXCAN if CAN bool +config MXS_HAVE_PLATFORM_GPMI_NAND + bool + config MXS_HAVE_PLATFORM_MXS_I2C bool diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile index 351915c..7d26eb1 100644 --- a/arch/arm/mach-mxs/devices/Makefile +++ b/arch/arm/mach-mxs/devices/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o obj-y += platform-dma.o obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o +obj-$(CONFIG_MXS_HAVE_PLATFORM_GPMI_NAND) += platform-gpmi-nand.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o diff --git a/arch/arm/mach-mxs/devices/platform-gpmi-nand.c b/arch/arm/mach-mxs/devices/platform-gpmi-nand.c new file mode 100644 index 0000000..a8b74dc --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-gpmi-nand.c @@ -0,0 +1,109 @@ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#include +#include +#include +#include +#include + +#ifdef CONFIG_SOC_IMX23 +const struct mxs_gpmi_nand_data mx23_gpmi_nand_data __initconst = { + .devid = "imx23-gpmi-nand", + .res = { + { /* GPMI */ + .start = MX23_GPMI_BASE_ADDR, + .end = MX23_GPMI_BASE_ADDR + SZ_8K - 1, + .name = GPMI_NAND_GPMI_REGS_ADDR_RES_NAME, + .flags = IORESOURCE_MEM, + }, { + .start = MX23_INT_GPMI_ATTENTION, + .end = MX23_INT_GPMI_ATTENTION, + .name = GPMI_NAND_GPMI_INTERRUPT_RES_NAME, + .flags = IORESOURCE_IRQ, + }, { /* BCH */ + .start = MX23_BCH_BASE_ADDR, + .end = MX23_BCH_BASE_ADDR + SZ_8K - 1, + .name = GPMI_NAND_BCH_REGS_ADDR_RES_NAME, + .flags = IORESOURCE_MEM, + }, { + .start = MX23_INT_BCH, + .end = MX23_INT_BCH, + .name = GPMI_NAND_BCH_INTERRUPT_RES_NAME, + .flags = IORESOURCE_IRQ, + }, { /* DMA */ + .start = MX23_DMA_GPMI0, + .end = MX23_DMA_GPMI3, + .name = GPMI_NAND_DMA_CHANNELS_RES_NAME, + .flags = IORESOURCE_DMA, + }, { + .start = MX23_INT_GPMI_DMA, + .end = MX23_INT_GPMI_DMA, + .name = GPMI_NAND_DMA_INTERRUPT_RES_NAME, + .flags = IORESOURCE_IRQ, + }, + }, +}; +#endif + +#ifdef CONFIG_SOC_IMX28 +const struct mxs_gpmi_nand_data mx28_gpmi_nand_data __initconst = { + .devid = "imx28-gpmi-nand", + .res = { + { /* GPMI */ + .start = MX28_GPMI_BASE_ADDR, + .end = MX28_GPMI_BASE_ADDR + SZ_8K - 1, + .name = GPMI_NAND_GPMI_REGS_ADDR_RES_NAME, + .flags = IORESOURCE_MEM, + }, { + .start = MX28_INT_GPMI, + .end = MX28_INT_GPMI, + .name = GPMI_NAND_GPMI_INTERRUPT_RES_NAME, + .flags = IORESOURCE_IRQ, + }, { /* BCH */ + .start = MX28_BCH_BASE_ADDR, + .end = MX28_BCH_BASE_ADDR + SZ_8K - 1, + .name = GPMI_NAND_BCH_REGS_ADDR_RES_NAME, + .flags = IORESOURCE_MEM, + }, { + .start = MX28_INT_BCH, + .end = MX28_INT_BCH, + .name = GPMI_NAND_BCH_INTERRUPT_RES_NAME, + .flags = IORESOURCE_IRQ, + }, { /* DMA */ + .start = MX28_DMA_GPMI0, + .end = MX28_DMA_GPMI7, + .name = GPMI_NAND_DMA_CHANNELS_RES_NAME, + .flags = IORESOURCE_DMA, + }, { + .start = MX28_INT_GPMI_DMA, + .end = MX28_INT_GPMI_DMA, + .name = GPMI_NAND_DMA_INTERRUPT_RES_NAME, + .flags = IORESOURCE_IRQ, + }, + }, +}; +#endif + +struct platform_device *__init +mxs_add_gpmi_nand(const struct gpmi_nand_platform_data *pdata, + const struct mxs_gpmi_nand_data *data) +{ + return mxs_add_platform_device_dmamask(data->devid, -1, + data->res, GPMI_NAND_RES_SIZE, + pdata, sizeof(*pdata), DMA_BIT_MASK(32)); +} diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h index 812d7a8..ce71c89 100644 --- a/arch/arm/mach-mxs/include/mach/devices-common.h +++ b/arch/arm/mach-mxs/include/mach/devices-common.h @@ -66,6 +66,16 @@ struct platform_device *__init mxs_add_flexcan( const struct mxs_flexcan_data *data, const struct flexcan_platform_data *pdata); +/* gpmi-nand */ +#include +struct mxs_gpmi_nand_data { + const char *devid; + const struct resource res[GPMI_NAND_RES_SIZE]; +}; +struct platform_device *__init +mxs_add_gpmi_nand(const struct gpmi_nand_platform_data *pdata, + const struct mxs_gpmi_nand_data *data); + /* i2c */ struct mxs_mxs_i2c_data { int id; diff --git a/include/linux/mtd/gpmi-nand.h b/include/linux/mtd/gpmi-nand.h new file mode 100644 index 0000000..69b6dbf --- /dev/null +++ b/include/linux/mtd/gpmi-nand.h @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef __MACH_MXS_GPMI_NAND_H__ +#define __MACH_MXS_GPMI_NAND_H__ + +/* The size of the resources is fixed. */ +#define GPMI_NAND_RES_SIZE 6 + +/* Resource names for the GPMI NAND driver. */ +#define GPMI_NAND_GPMI_REGS_ADDR_RES_NAME "GPMI NAND GPMI Registers" +#define GPMI_NAND_GPMI_INTERRUPT_RES_NAME "GPMI NAND GPMI Interrupt" +#define GPMI_NAND_BCH_REGS_ADDR_RES_NAME "GPMI NAND BCH Registers" +#define GPMI_NAND_BCH_INTERRUPT_RES_NAME "GPMI NAND BCH Interrupt" +#define GPMI_NAND_DMA_CHANNELS_RES_NAME "GPMI NAND DMA Channels" +#define GPMI_NAND_DMA_INTERRUPT_RES_NAME "GPMI NAND DMA Interrupt" + +/** + * struct gpmi_nand_platform_data - GPMI NAND driver platform data. + * + * This structure communicates platform-specific information to the GPMI NAND + * driver that can't be expressed as resources. + * + * @platform_init: A pointer to a function the driver will call to + * initialize the platform (e.g., set up the pin mux). + * @min_prop_delay_in_ns: Minimum propagation delay of GPMI signals to and + * from the NAND Flash device, in nanoseconds. + * @max_prop_delay_in_ns: Maximum propagation delay of GPMI signals to and + * from the NAND Flash device, in nanoseconds. + * @max_chip_count: The maximum number of chips for which the driver + * should configure the hardware. This value most + * likely reflects the number of pins that are + * connected to a NAND Flash device. If this is + * greater than the SoC hardware can support, the + * driver will print a message and fail to initialize. + * @partitions: An optional pointer to an array of partition + * descriptions. + * @partition_count: The number of elements in the partitions array. + */ +struct gpmi_nand_platform_data { + /* SoC hardware information. */ + int (*platform_init)(void); + + /* NAND Flash information. */ + unsigned int min_prop_delay_in_ns; + unsigned int max_prop_delay_in_ns; + unsigned int max_chip_count; + + /* Medium information. */ + struct mtd_partition *partitions; + unsigned partition_count; +}; +#endif