Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
[GitHub/LineageOS/android_kernel_motorola_exynos9610.git] / include / linux / platform_data / mtd-nand-omap2.h
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78be6325 1/*
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TL
2 * Copyright (C) 2006 Micron Technology Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
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9#ifndef _MTD_NAND_OMAP2_H
10#define _MTD_NAND_OMAP2_H
11
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12#include <linux/mtd/partitions.h>
13
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14#define GPMC_BCH_NUM_REMAINDER 8
15
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SG
16enum nand_io {
17 NAND_OMAP_PREFETCH_POLLED = 0, /* prefetch polled mode, default */
18 NAND_OMAP_POLLED, /* polled mode, without prefetch */
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19 NAND_OMAP_PREFETCH_DMA, /* prefetch enabled sDMA mode */
20 NAND_OMAP_PREFETCH_IRQ /* prefetch enabled irq mode */
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21};
22
bc3668ea 23enum omap_ecc {
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24 /*
25 * 1-bit ECC: calculation and correction by SW
26 * ECC stored at end of spare area
27 */
28 OMAP_ECC_HAM1_CODE_SW = 0,
29
30 /*
31 * 1-bit ECC: calculation by GPMC, Error detection by Software
32 * ECC layout compatible with ROM code layout
33 */
34 OMAP_ECC_HAM1_CODE_HW,
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35 /* 4-bit ECC calculation by GPMC, Error detection by Software */
36 OMAP_ECC_BCH4_CODE_HW_DETECTION_SW,
37 /* 4-bit ECC calculation by GPMC, Error detection by ELM */
38 OMAP_ECC_BCH4_CODE_HW,
39 /* 8-bit ECC calculation by GPMC, Error detection by Software */
40 OMAP_ECC_BCH8_CODE_HW_DETECTION_SW,
41 /* 8-bit ECC calculation by GPMC, Error detection by ELM */
42 OMAP_ECC_BCH8_CODE_HW,
27c9fd60 43 /* 16-bit ECC calculation by GPMC, Error detection by ELM */
44 OMAP_ECC_BCH16_CODE_HW,
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45};
46
47struct gpmc_nand_regs {
48 void __iomem *gpmc_status;
49 void __iomem *gpmc_nand_command;
50 void __iomem *gpmc_nand_address;
51 void __iomem *gpmc_nand_data;
52 void __iomem *gpmc_prefetch_config1;
53 void __iomem *gpmc_prefetch_config2;
54 void __iomem *gpmc_prefetch_control;
55 void __iomem *gpmc_prefetch_status;
56 void __iomem *gpmc_ecc_config;
57 void __iomem *gpmc_ecc_control;
58 void __iomem *gpmc_ecc_size_config;
59 void __iomem *gpmc_ecc1_result;
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60 void __iomem *gpmc_bch_result0[GPMC_BCH_NUM_REMAINDER];
61 void __iomem *gpmc_bch_result1[GPMC_BCH_NUM_REMAINDER];
62 void __iomem *gpmc_bch_result2[GPMC_BCH_NUM_REMAINDER];
63 void __iomem *gpmc_bch_result3[GPMC_BCH_NUM_REMAINDER];
27c9fd60 64 void __iomem *gpmc_bch_result4[GPMC_BCH_NUM_REMAINDER];
65 void __iomem *gpmc_bch_result5[GPMC_BCH_NUM_REMAINDER];
66 void __iomem *gpmc_bch_result6[GPMC_BCH_NUM_REMAINDER];
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67};
68
78be6325 69struct omap_nand_platform_data {
78be6325 70 int cs;
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TL
71 struct mtd_partition *parts;
72 int nr_parts;
7a559c78 73 bool dev_ready;
1b0b323c 74 enum nand_io xfer_type;
2f70a1e9 75 int devsize;
f3d73f36 76 enum omap_ecc ecc_opt;
d126d015 77 struct gpmc_nand_regs reg;
2f70a1e9 78
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79 /* for passing the partitions */
80 struct device_node *of_node;
ac65caf5 81 struct device_node *elm_of_node;
ccf04c51 82};
562468bd 83#endif