Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>master
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/*
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* MPC8360E-RDK support for the NAND on FSL UPM |
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* |
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* Copyright (C) 2007 MontaVista Software, Inc. |
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* Anton Vorontsov <avorontsov@ru.mvista.com> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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*/ |
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#include <config.h> |
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#include <common.h> |
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#include <asm/io.h> |
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#include <asm/immap_83xx.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/fsl_upm.h> |
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#include <nand.h> |
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static struct immap *im = (struct immap *)CFG_IMMR; |
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static const u32 upm_array[] = { |
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0x0ff03c30, 0x0ff03c30, 0x0ff03c34, 0x0ff33c30, /* Words 0 to 3 */ |
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0xfff33c31, 0xfffffc30, 0xfffffc30, 0xfffffc30, /* Words 4 to 7 */ |
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0x0faf3c30, 0x0faf3c30, 0x0faf3c30, 0x0fff3c34, /* Words 8 to 11 */ |
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0xffff3c31, 0xfffffc30, 0xfffffc30, 0xfffffc30, /* Words 12 to 15 */ |
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0x0fa3fc30, 0x0fa3fc30, 0x0fa3fc30, 0x0ff3fc34, /* Words 16 to 19 */ |
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0xfff3fc31, 0xfffffc30, 0xfffffc30, 0xfffffc30, /* Words 20 to 23 */ |
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0x0ff33c30, 0x0fa33c30, 0x0fa33c34, 0x0ff33c30, /* Words 24 to 27 */ |
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0xfff33c31, 0xfff0fc30, 0xfff0fc30, 0xfff0fc30, /* Words 28 to 31 */ |
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0xfff3fc30, 0xfff3fc30, 0xfff6fc30, 0xfffcfc30, /* Words 32 to 35 */ |
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0xfffcfc30, 0xfffcfc30, 0xfffcfc30, 0xfffcfc30, /* Words 36 to 39 */ |
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0xfffcfc30, 0xfffcfc30, 0xfffcfc30, 0xfffcfc30, /* Words 40 to 43 */ |
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0xfffdfc30, 0xfffffc30, 0xfffffc30, 0xfffffc31, /* Words 44 to 47 */ |
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0xfffffc30, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 48 to 51 */ |
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0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 52 to 55 */ |
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0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 56 to 59 */ |
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0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 60 to 63 */ |
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}; |
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static int dev_ready(void) |
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{ |
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if (in_be32(&im->qepio.ioport[4].pdat) & 0x00002000) { |
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debug("nand ready\n"); |
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return 1; |
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} |
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debug("nand busy\n"); |
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return 0; |
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} |
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static struct fsl_upm_nand fun = { |
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.upm = { |
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.array = upm_array, |
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.io_addr = (void *)CFG_NAND_BASE, |
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}, |
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.width = 1, |
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.upm_cmd_offset = 8, |
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.upm_addr_offset = 16, |
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.dev_ready = dev_ready, |
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.wait_pattern = 1, |
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.chip_delay = 50, |
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}; |
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int board_nand_init(struct nand_chip *nand) |
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{ |
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fun.upm.mxmr = &im->lbus.mamr; |
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fun.upm.mdr = &im->lbus.mdr; |
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fun.upm.mar = &im->lbus.mar; |
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return fsl_upm_nand_init(nand, &fun); |
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} |
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