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r: 286137
b: refs/heads/master
c: 4e82786
h: refs/heads/master
i:
  286135: 1c3f374
v: v3
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Huang Shijie authored and Vinod Koul committed Dec 23, 2011
1 parent 671b013 commit 7ed5293
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2 changes: 1 addition & 1 deletion [refs]
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refs/heads/master: a4e3e86d66ffc640ac54acffa29450e327a80ae2
refs/heads/master: 4e82786f7039cb707c031dcf0dc84c025e149487
68 changes: 68 additions & 0 deletions trunk/include/linux/mtd/gpmi-nand.h
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/*
* 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

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