On Thu, Dec 3, 2009 at 4:15 PM, Vimal Singh <vimal.newwork@xxxxxxxxx> wrote: > From 948584f4157a9eb99ba085968d23add28cbfd160 Mon Sep 17 00:00:00 2001 > From: Vimal Singh <vimalsingh@xxxxxx> > Date: Tue, 1 Dec 2009 11:36:56 +0530 > Subject: [PATCH] OMAP: ZOOM: Introducing 'board-zoom-flash.c' > > This patch adds 'board-zoom-flash.c', which could be utilized > by boards similar to ZOOM2. (For ex: LDP, ZOOM2, ZOOM3). So it's not really zoom specific, i.e. can be used by other boards with NAND like beagleboard and pandora? If that's the case, perhaps the file could be named something like omap3-nand.c or simply just nand.c . > > This does initialization for NAND device based on the 'cs' number > and partition information passed from board file (ex: board-zoom2.c). > > Signed-off-by: Vimal Singh <vimalsingh@xxxxxx> > --- > arch/arm/mach-omap2/board-zoom-flash.c | 59 +++++++++++++++++++++++++ > arch/arm/mach-omap2/include/mach/board-zoom.h | 11 +++++ > 2 files changed, 70 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/mach-omap2/board-zoom-flash.c > > diff --git a/arch/arm/mach-omap2/board-zoom-flash.c > b/arch/arm/mach-omap2/board-zoom-flash.c > new file mode 100644 > index 0000000..b3e66ca > --- /dev/null > +++ b/arch/arm/mach-omap2/board-zoom-flash.c > @@ -0,0 +1,59 @@ > +/* > + * board-zoom-flash.c > + * > + * Copyright (C) 2009 Texas Instruments Inc. > + * Vimal Singh <vimalsingh@xxxxxx> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + */ > + > +#include <linux/kernel.h> > +#include <linux/delay.h> > +#include <linux/platform_device.h> > +#include <linux/mtd/nand.h> > +#include <linux/types.h> > +#include <linux/io.h> > + > +#include <asm/mach/flash.h> > +#include <plat/board.h> > +#include <plat/gpmc.h> > +#include <plat/nand.h> > + > +#include <mach/board-zoom.h> > + > +#if defined(CONFIG_MTD_NAND_OMAP2) || \ > + defined(CONFIG_MTD_NAND_OMAP2_MODULE) > +/* NAND chip access: 16 bit */ > +static struct omap_nand_platform_data zoom_nand_data = { > + .nand_setup = NULL, > + .dma_channel = -1, /* disable DMA in OMAP NAND driver */ > + .dev_ready = NULL, > + .devsize = 1, /* '0' for 8-bit, '1' for 16-bit device */ > +}; > + > +/** > + * zoom_flash_init - Identify devices connected to GPMC and register. > + * > + * @return - void. > + */ > +void __init zoom_flash_init(struct flash_partitions zoom_nand_parts[], int cs) > +{ > + u32 gpmc_base_add = OMAP34XX_GPMC_VIRT; > + > + zoom_nand_data.cs = cs; > + zoom_nand_data.parts = zoom_nand_parts[0].parts; > + zoom_nand_data.nr_parts = zoom_nand_parts[0].nr_parts; > + zoom_nand_data.gpmc_baseaddr = (void *)(gpmc_base_add); > + zoom_nand_data.gpmc_cs_baseaddr = (void *)(gpmc_base_add + > + GPMC_CS0_BASE + > + cs * GPMC_CS_SIZE); > + gpmc_nand_init(&zoom_nand_data); > +} > +#else > +void __init zoom_flash_init(struct flash_partitions zoom_nand_parts[], int cs) > +{ > +} > +#endif /* CONFIG_MTD_NAND_OMAP2 || CONFIG_MTD_NAND_OMAP2_MODULE */ > + > diff --git a/arch/arm/mach-omap2/include/mach/board-zoom.h > b/arch/arm/mach-omap2/include/mach/board-zoom.h > index c93b29e..f4469d3 100644 > --- a/arch/arm/mach-omap2/include/mach/board-zoom.h > +++ b/arch/arm/mach-omap2/include/mach/board-zoom.h > @@ -1,5 +1,16 @@ > /* > * Defines for zoom boards > */ > +#include <linux/mtd/mtd.h> > +#include <linux/mtd/partitions.h> > + > +struct flash_partitions { > + struct mtd_partition *parts; > + int nr_parts; > +}; > + > +#define ZOOM_NAND_CS 0 > + > +extern void __init zoom_flash_init(struct flash_partitions [], int); These could have their include file, it would be odd to include board-zoom.h and call zoom_flash_init() for pandora, for example. > extern int __init zoom_debugboard_init(void); > extern void __init zoom_peripherals_init(void); > -- > 1.5.5 > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html