[v8,1/7] omap3630: nand: fix device size to work in polled mode

Message ID	1294148004-10789-2-git-send-email-s-ghorai@ti.com (mailing list archive)
State	Superseded, archived
Delegated to:	Tony Lindgren
Headers	show 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 p04DXfBW003045 for <patchwork-omap@patchwork.kernel.org>; Tue, 4 Jan 2011 13:33:42 GMT From: Sukumar Ghorai <s-ghorai@ti.com> To: linux-omap@vger.kernel.org Cc: linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Sukumar Ghorai <s-ghorai@ti.com> Subject: [PATCH v8 1/7] omap3630: nand: fix device size to work in polled mode Date: Tue, 4 Jan 2011 19:03:18 +0530 Message-Id: <1294148004-10789-2-git-send-email-s-ghorai@ti.com> In-Reply-To: <1294148004-10789-1-git-send-email-s-ghorai@ti.com> References: <1294148004-10789-1-git-send-email-s-ghorai@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk

diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index 4e3742c..470872e 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -809,7 +809,7 @@ static void __init omap_3430sdp_init(void) omap_serial_init(); usb_musb_init(&musb_board_data); board_smc91x_init(); - board_flash_init(sdp_flash_partitions, chip_sel_3430); + board_flash_init(sdp_flash_partitions, chip_sel_3430, 0); sdp3430_display_init(); enable_board_wakeup_source(); usb_ehci_init(&ehci_pdata); diff --git a/arch/arm/mach-omap2/board-3630sdp.c b/arch/arm/mach-omap2/board-3630sdp.c index bbcf580..0a74141 100644 --- a/arch/arm/mach-omap2/board-3630sdp.c +++ b/arch/arm/mach-omap2/board-3630sdp.c @@ -11,6 +11,7 @@ #include <linux/platform_device.h> #include <linux/input.h> #include <linux/gpio.h> +#include <linux/mtd/nand.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -210,7 +211,7 @@ static void __init omap_sdp_init(void) omap3_mux_init(board_mux, OMAP_PACKAGE_CBP); zoom_peripherals_init(); board_smc91x_init(); - board_flash_init(sdp_flash_partitions, chip_sel_sdp); + board_flash_init(sdp_flash_partitions, chip_sel_sdp, NAND_BUSWIDTH_16); enable_board_wakeup_source(); usb_ehci_init(&ehci_pdata); } diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c index fd38c05..f6b7253 100644 --- a/arch/arm/mach-omap2/board-flash.c +++ b/arch/arm/mach-omap2/board-flash.c @@ -139,11 +139,13 @@ static struct omap_nand_platform_data board_nand_data = { }; void -__init board_nand_init(struct mtd_partition *nand_parts, u8 nr_parts, u8 cs) +__init board_nand_init(struct mtd_partition *nand_parts, + u8 nr_parts, u8 cs, int nand_type) { board_nand_data.cs = cs; board_nand_data.parts = nand_parts; - board_nand_data.nr_parts = nr_parts; + board_nand_data.nr_parts = nr_parts; + board_nand_data.devsize = nand_type; gpmc_nand_init(&board_nand_data); } @@ -194,7 +196,7 @@ unmap: * @return - void. */ void board_flash_init(struct flash_partitions partition_info[], - char chip_sel_board[][GPMC_CS_NUM]) + char chip_sel_board[][GPMC_CS_NUM], int nand_type) { u8 cs = 0; u8 norcs = GPMC_CS_NUM + 1; @@ -250,5 +252,5 @@ void board_flash_init(struct flash_partitions partition_info[], "in GPMC\n"); else board_nand_init(partition_info[2].parts, - partition_info[2].nr_parts, nandcs); + partition_info[2].nr_parts, nandcs, nand_type); } diff --git a/arch/arm/mach-omap2/board-flash.h b/arch/arm/mach-omap2/board-flash.h index 69befe0..c240a3f 100644 --- a/arch/arm/mach-omap2/board-flash.h +++ b/arch/arm/mach-omap2/board-flash.h @@ -25,6 +25,6 @@ struct flash_partitions { }; extern void board_flash_init(struct flash_partitions [], - char chip_sel[][GPMC_CS_NUM]); + char chip_sel[][GPMC_CS_NUM], int nand_type); extern void board_nand_init(struct mtd_partition *nand_parts, - u8 nr_parts, u8 cs); + u8 nr_parts, u8 cs, int nand_type); diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index 001fd97..b088b1d 100644 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c @@ -436,7 +436,7 @@ static void __init omap_ldp_init(void) omap_serial_init(); usb_musb_init(&musb_board_data); board_nand_init(ldp_nand_partitions, - ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS); + ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS, 0); omap2_hsmmc_init(mmc); /* link regulators to MMC adapters */ diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c index 2992a9f..994d286 100644 --- a/arch/arm/mach-omap2/board-zoom2.c +++ b/arch/arm/mach-omap2/board-zoom2.c @@ -15,6 +15,7 @@ #include <linux/input.h> #include <linux/gpio.h> #include <linux/i2c/twl.h> +#include <linux/mtd/nand.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -102,8 +103,8 @@ static void __init omap_zoom2_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); zoom_peripherals_init(); - board_nand_init(zoom_nand_partitions, - ARRAY_SIZE(zoom_nand_partitions), ZOOM_NAND_CS); + board_nand_init(zoom_nand_partitions, ARRAY_SIZE(zoom_nand_partitions), + ZOOM_NAND_CS, NAND_BUSWIDTH_16); zoom_debugboard_init(); } diff --git a/arch/arm/mach-omap2/board-zoom3.c b/arch/arm/mach-omap2/board-zoom3.c index 5adde12..0c9c15e 100644 --- a/arch/arm/mach-omap2/board-zoom3.c +++ b/arch/arm/mach-omap2/board-zoom3.c @@ -12,6 +12,7 @@ #include <linux/platform_device.h> #include <linux/input.h> #include <linux/gpio.h> +#include <linux/mtd/nand.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -115,8 +116,8 @@ static void __init omap_zoom_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CBP); zoom_peripherals_init(); - board_nand_init(zoom_nand_partitions, - ARRAY_SIZE(zoom_nand_partitions), ZOOM_NAND_CS); + board_nand_init(zoom_nand_partitions, ARRAY_SIZE(zoom_nand_partitions), + ZOOM_NAND_CS, NAND_BUSWIDTH_16); zoom_debugboard_init(); omap_mux_init_gpio(64, OMAP_PIN_OUTPUT); diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c index 7222096..5d58f57 100644 --- a/arch/arm/mach-omap2/gpmc-nand.c +++ b/arch/arm/mach-omap2/gpmc-nand.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/mtd/nand.h> #include <asm/mach/flash.h> @@ -69,8 +70,10 @@ static int omap2_nand_gpmc_retime(void) t.wr_cycle = gpmc_round_ns_to_ticks(gpmc_nand_data->gpmc_t->wr_cycle); /* Configure GPMC */ - gpmc_cs_configure(gpmc_nand_data->cs, - GPMC_CONFIG_DEV_SIZE, gpmc_nand_data->devsize); + if (gpmc_nand_data->devsize == NAND_BUSWIDTH_16) + gpmc_cs_configure(gpmc_nand_data->cs, GPMC_CONFIG_DEV_SIZE, 1); + else + gpmc_cs_configure(gpmc_nand_data->cs, GPMC_CONFIG_DEV_SIZE, 0); gpmc_cs_configure(gpmc_nand_data->cs, GPMC_CONFIG_DEV_TYPE, GPMC_DEVICETYPE_NAND); err = gpmc_cs_set_timings(gpmc_nand_data->cs, &t); diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 15682ec..7c04cd6 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -804,7 +804,7 @@ static int __devinit omap_nand_probe(struct platform_device *pdev) info->mtd.name = dev_name(&pdev->dev); info->mtd.owner = THIS_MODULE; - info->nand.options |= pdata->devsize ? NAND_BUSWIDTH_16 : 0; + info->nand.options = pdata->devsize; info->nand.options |= NAND_SKIP_BBTSCAN; /* NAND write protect off */

[v8,1/7] omap3630: nand: fix device size to work in polled mode

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