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Andreas Bießmann5bf299b2013-04-02 06:05:54 +00001/*
2 * (C) Copyright 2004-2008 Texas Instruments, <www.ti.com>
3 * Rohit Choraria <rohitkc@ti.com>
4 *
5 * (C) Copyright 2013 Andreas Bießmann <andreas.devel@googlemail.com>
6 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02007 * SPDX-License-Identifier: GPL-2.0+
Andreas Bießmann5bf299b2013-04-02 06:05:54 +00008 */
9#ifndef __ASM_OMAP_GPMC_H
10#define __ASM_OMAP_GPMC_H
11
Andreas Bießmann5bf299b2013-04-02 06:05:54 +000012#define GPMC_BUF_EMPTY 0
13#define GPMC_BUF_FULL 1
pekon gupta8d13a732014-06-02 17:14:41 +053014#define GPMC_MAX_SECTORS 8
Andreas Bießmann5bf299b2013-04-02 06:05:54 +000015
pekon guptad016dc42013-11-18 19:03:00 +053016enum omap_ecc {
17 /* 1-bit ECC calculation by Software, Error detection by Software */
18 OMAP_ECC_HAM1_CODE_SW = 1, /* avoid un-initialized int can be 0x0 */
19 /* 1-bit ECC calculation by GPMC, Error detection by Software */
20 /* ECC layout compatible to legacy ROMCODE. */
21 OMAP_ECC_HAM1_CODE_HW,
22 /* 4-bit ECC calculation by GPMC, Error detection by Software */
23 OMAP_ECC_BCH4_CODE_HW_DETECTION_SW,
24 /* 4-bit ECC calculation by GPMC, Error detection by ELM */
25 OMAP_ECC_BCH4_CODE_HW,
26 /* 8-bit ECC calculation by GPMC, Error detection by Software */
27 OMAP_ECC_BCH8_CODE_HW_DETECTION_SW,
28 /* 8-bit ECC calculation by GPMC, Error detection by ELM */
29 OMAP_ECC_BCH8_CODE_HW,
pekon gupta46840f62014-06-02 17:14:42 +053030 /* 16-bit ECC calculation by GPMC, Error detection by ELM */
31 OMAP_ECC_BCH16_CODE_HW,
pekon guptad016dc42013-11-18 19:03:00 +053032};
33
pekon gupta51d192c2013-11-22 16:53:28 +053034struct gpmc_cs {
35 u32 config1; /* 0x00 */
36 u32 config2; /* 0x04 */
37 u32 config3; /* 0x08 */
38 u32 config4; /* 0x0C */
39 u32 config5; /* 0x10 */
40 u32 config6; /* 0x14 */
41 u32 config7; /* 0x18 */
42 u32 nand_cmd; /* 0x1C */
43 u32 nand_adr; /* 0x20 */
44 u32 nand_dat; /* 0x24 */
45 u8 res[8]; /* blow up to 0x30 byte */
46};
47
48struct bch_res_0_3 {
49 u32 bch_result_x[4];
50};
51
pekon gupta46840f62014-06-02 17:14:42 +053052struct bch_res_4_6 {
53 u32 bch_result_x[3];
54};
55
pekon gupta51d192c2013-11-22 16:53:28 +053056struct gpmc {
57 u8 res1[0x10];
58 u32 sysconfig; /* 0x10 */
59 u8 res2[0x4];
60 u32 irqstatus; /* 0x18 */
61 u32 irqenable; /* 0x1C */
62 u8 res3[0x20];
63 u32 timeout_control; /* 0x40 */
64 u8 res4[0xC];
65 u32 config; /* 0x50 */
66 u32 status; /* 0x54 */
67 u8 res5[0x8]; /* 0x58 */
68 struct gpmc_cs cs[8]; /* 0x60, 0x90, .. */
Daniel Mackc316f572014-06-25 14:43:32 +020069 u32 prefetch_config1; /* 0x1E0 */
70 u32 prefetch_config2; /* 0x1E4 */
71 u32 res6; /* 0x1E8 */
72 u32 prefetch_control; /* 0x1EC */
73 u32 prefetch_status; /* 0x1F0 */
pekon gupta51d192c2013-11-22 16:53:28 +053074 u32 ecc_config; /* 0x1F4 */
75 u32 ecc_control; /* 0x1F8 */
76 u32 ecc_size_config; /* 0x1FC */
77 u32 ecc1_result; /* 0x200 */
78 u32 ecc2_result; /* 0x204 */
79 u32 ecc3_result; /* 0x208 */
80 u32 ecc4_result; /* 0x20C */
81 u32 ecc5_result; /* 0x210 */
82 u32 ecc6_result; /* 0x214 */
83 u32 ecc7_result; /* 0x218 */
84 u32 ecc8_result; /* 0x21C */
85 u32 ecc9_result; /* 0x220 */
86 u8 res7[12]; /* 0x224 */
87 u32 testmomde_ctrl; /* 0x230 */
88 u8 res8[12]; /* 0x234 */
pekon gupta8d13a732014-06-02 17:14:41 +053089 struct bch_res_0_3 bch_result_0_3[GPMC_MAX_SECTORS]; /* 0x240,0x250, */
pekon gupta46840f62014-06-02 17:14:42 +053090 u8 res9[16 * 4]; /* 0x2C0 - 0x2FF */
91 struct bch_res_4_6 bch_result_4_6[GPMC_MAX_SECTORS]; /* 0x300,0x310, */
pekon gupta51d192c2013-11-22 16:53:28 +053092};
93
94/* Used for board specific gpmc initialization */
95extern struct gpmc *gpmc_cfg;
96
Andreas Bießmann5bf299b2013-04-02 06:05:54 +000097#endif /* __ASM_OMAP_GPMC_H */