[PATCH-v6 2/4] OMAP3: Add support for NAND on ZOOM/LDP boards
Vimal Singh
vimal.newwork at gmail.com
Thu Nov 19 09:34:25 EST 2009
On Thu, Nov 19, 2009 at 7:50 PM, Nishanth Menon <nm at ti.com> wrote:
> Vimal Singh had written, on 11/19/2009 08:16 AM, the following:
>>
>> From 43df1ee9e29d454100e59ee4902db157072b81b6 Mon Sep 17 00:00:00 2001
>> From: Vimal Singh <vimalsingh at ti.com>
>> Date: Thu, 19 Nov 2009 14:37:44 +0530
>> Subject: [PATCH] OMAP3: Add support for NAND on ZOOM/LDP boards
>>
>> Adding NAND support for ZOOM2/3 and LDP board.
>> I have tested it for ZOOM2 boards. Someone can verify it for LDP
>> and ZOOM3 boards, hopefully it should not have any problem.
>>
>> The size of the U-Boot environment partition was increased to 1.25MB.
>>
>> Vikram: Changed ldp name to zoom.
>> Future boards will be called Zoom2/3/4 etc.
>> LDP is a Zoom1. Somhow the LDP name got stuck to that.
>>
>> Signed-off-by: Vimal Singh <vimalsingh at ti.com>
>> Cc: Vikram Pandita <vikram.pandita at ti.com>
>> Cc: Tony Lindgren <tony at atomide.com>
>> ---
>> arch/arm/mach-omap2/Makefile | 3 +
>> arch/arm/mach-omap2/board-ldp.c | 2 +
>> arch/arm/mach-omap2/board-zoom-flash.c | 92
>> ++++++++++++++++++++++++++
>> arch/arm/mach-omap2/board-zoom-peripherals.c | 2 +
>> arch/arm/plat-omap/include/plat/board-zoom.h | 36 ++++++++++
>> 5 files changed, 135 insertions(+), 0 deletions(-)
>> create mode 100644 arch/arm/mach-omap2/board-zoom-flash.c
>> create mode 100644 arch/arm/plat-omap/include/plat/board-zoom.h
>>
>> diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
>> index b0e5b46..c2ca76e 100644
>> --- a/arch/arm/mach-omap2/Makefile
>> +++ b/arch/arm/mach-omap2/Makefile
>> @@ -62,6 +62,7 @@ obj-$(CONFIG_MACH_OMAP_APOLLON) +=
>> board-apollon.o
>> obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o \
>> mmc-twl4030.o
>> obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o \
>> + board-zoom-flash.o \
>> mmc-twl4030.o
>> obj-$(CONFIG_MACH_OVERO) += board-overo.o \
>> mmc-twl4030.o
>> @@ -78,10 +79,12 @@ obj-$(CONFIG_MACH_NOKIA_RX51) +=
>> board-rx51.o \
>> board-rx51-peripherals.o \
>> mmc-twl4030.o
>> obj-$(CONFIG_MACH_OMAP_ZOOM2) += board-zoom2.o \
>> + board-zoom-flash.o \
>> board-zoom-peripherals.o \
>> mmc-twl4030.o \
>> board-zoom-debugboard.o
>> obj-$(CONFIG_MACH_OMAP_ZOOM3) += board-zoom3.o \
>> + board-zoom-flash.o \
>> board-zoom-peripherals.o \
>> mmc-twl4030.o \
>> board-zoom-debugboard.o
>> diff --git a/arch/arm/mach-omap2/board-ldp.c
>> b/arch/arm/mach-omap2/board-ldp.c
>> index c062238..8aebdf9 100644
>> --- a/arch/arm/mach-omap2/board-ldp.c
>> +++ b/arch/arm/mach-omap2/board-ldp.c
>> @@ -42,6 +42,7 @@
>> #include <asm/delay.h>
>> #include <plat/control.h>
>> #include <plat/usb.h>
>> +#include <plat/board-zoom.h>
>>
>> #include "mmc-twl4030.h"
>>
>> @@ -385,6 +386,7 @@ static void __init omap_ldp_init(void)
>> ads7846_dev_init();
>> omap_serial_init();
>> usb_musb_init();
>> + zoom_flash_init();
>>
>> twl4030_mmc_init(mmc);
>> /* link regulators to MMC adapters */
>> 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..1867d6a
>> --- /dev/null
>> +++ b/arch/arm/mach-omap2/board-zoom-flash.c
>> @@ -0,0 +1,92 @@
>> +/*
>> + * board-zoom-flash.c
>> + *
>> + * Copyright (C) 2008-09 Texas Instruments Inc.
>> + *
>> + * Modified from mach-omap2/board-2430sdp-flash.c
>> + * Author(s): Vimal Singh <vimalsingh at ti.com>
>> + * Rohit Choraria <rohitkc at ti.com>
>> + *
>> + * 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/mtd.h>
>> +#include <linux/mtd/partitions.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 <plat/board-zoom.h>
>> +
>> +static struct mtd_partition zoom_nand_partitions[] = {
>> + /* All the partition sizes are listed in terms of NAND block size
>> */
>> + {
>> + .name = "X-Loader-NAND",
>> + .offset = 0,
>> + .size = 4 * (64 * 2048), /* 512KB, 0x80000
>> */
>> + .mask_flags = MTD_WRITEABLE, /* force read-only
>> */
>> + },
>> + {
>> + .name = "U-Boot-NAND",
>> + .offset = MTDPART_OFS_APPEND, /* Offset =
>> 0x80000 */
>> + .size = 10 * (64 * 2048), /* 1.25MB,
>> 0x140000 */
>> + .mask_flags = MTD_WRITEABLE, /* force read-only
>> */
>> + },
>> + {
>> + .name = "Boot Env-NAND",
>> + .offset = MTDPART_OFS_APPEND, /* Offset =
>> 0x1c0000 */
>> + .size = 2 * (64 * 2048), /* 256KB, 0x40000
>> */
>> + },
>> + {
>> + .name = "Kernel-NAND",
>> + .offset = MTDPART_OFS_APPEND, /* Offset =
>> 0x0200000*/
>> + .size = 240 * (64 * 2048), /* 30M, 0x1E00000
>> */
>> + },
>> + {
>> + .name = "File System - NAND",
>> + .offset = MTDPART_OFS_APPEND, /* Offset =
>> 0x2000000 */
>> + .size = MTDPART_SIZ_FULL,
>> + },
>> +};
>> +
>> +/* NAND chip access: 16 bit */
>> +static struct omap_nand_platform_data zoom_nand_data = {
>> + .parts = zoom_nand_partitions,
>> + .nr_parts = ARRAY_SIZE(zoom_nand_partitions),
>> + .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(void)
>
> Should take CS number as a parameter -> this will break SDP3630 otherwise.
>
>> +{
>> + u8 nandcs = GPMC_CS_NUM + 1;
>> + u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
>> +
>> + /* pop nand part */
>> + nandcs = LDP3430_NAND_CS;
>> +
>> + zoom_nand_data.cs = nandcs;
>> + zoom_nand_data.gpmc_cs_baseaddr = (void *)(gpmc_base_add +
>> + GPMC_CS0_BASE + nandcs *
>> GPMC_CS_SIZE);
>> + zoom_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
>> +
>> + gpmc_nand_init(&zoom_nand_data);
>> +}
>> +
>> diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c
>> b/arch/arm/mach-omap2/board-zoom-peripherals.c
>> index f14baa3..fcc2836 100755
>> --- a/arch/arm/mach-omap2/board-zoom-peripherals.c
>> +++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
>> @@ -21,6 +21,7 @@
>> #include <asm/mach/arch.h>
>> #include <asm/mach/map.h>
>>
>> +#include <plat/board-zoom.h>
>> #include <plat/common.h>
>> #include <plat/usb.h>
>>
>> @@ -264,4 +265,5 @@ void __init zoom_peripherals_init(void)
>> omap_i2c_init();
>> omap_serial_init();
>> usb_musb_init();
>> + zoom_flash_init();
>
> probably should be called by board files independently. zoom-peripherals get
> used by sdp3630,zoom2, zoom3.
I did not have idea about 3630sdp. Thanks for pointing this out. I'll
re-post this patch once I get some more info about 3630sdp.
>
>> }
>> diff --git a/arch/arm/plat-omap/include/plat/board-zoom.h
>> b/arch/arm/plat-omap/include/plat/board-zoom.h
>> new file mode 100644
>> index 0000000..8d63f7e
>> --- /dev/null
>> +++ b/arch/arm/plat-omap/include/plat/board-zoom.h
>> @@ -0,0 +1,36 @@
>> +/*
>> + * board-zoom.h
>> + *
>> + * Hardware definitions for TI OMAP3 LDP/ZOOM2.
>> + *
>> + * Copyright (C) 2008-09 Texas Instruments Inc.
>> + *
>> + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
>> + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
>> + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
>> IN
>> + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
>> + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
>> BUT
>> + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
>> + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
>> + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
>> TORT
>> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
>> OF
>> + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>> + *
>> + * 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.,
>> + * 675 Mass Ave, Cambridge, MA 02139, USA.
>> + */
>> +
>> +#ifndef __ASM_ARCH_OMAP_LDP_H
>> +#define __ASM_ARCH_OMAP_LDP_H
>> +
>> +extern void zoom_flash_init(void);
>> +
>> +#define LDP3430_NAND_CS 0
>> +
>> +#endif /* __ASM_ARCH_OMAP_LDP_H */
>
>
> --
> Regards,
> Nishanth Menon
> --
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--
Regards,
Vimal Singh
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