Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
Andreas Bießmann | 9a48c5c | 2013-04-02 06:05:54 +0000 | [diff] [blame] | 2 | /* |
| 3 | * (C) Copyright 2004-2008 Texas Instruments, <www.ti.com> |
| 4 | * Rohit Choraria <rohitkc@ti.com> |
| 5 | * |
Andreas Bießmann | 07dafdb | 2016-05-01 03:46:16 +0200 | [diff] [blame] | 6 | * (C) Copyright 2013 Andreas Bießmann <andreas@biessmann.org> |
Andreas Bießmann | 9a48c5c | 2013-04-02 06:05:54 +0000 | [diff] [blame] | 7 | */ |
| 8 | #ifndef __ASM_OMAP_GPMC_H |
| 9 | #define __ASM_OMAP_GPMC_H |
| 10 | |
Roger Quadros | 7dc75b6 | 2022-10-20 16:30:49 +0300 | [diff] [blame^] | 11 | /* Maximum Number of Chip Selects */ |
| 12 | #define GPMC_CS_NUM 8 |
| 13 | |
Andreas Bießmann | 9a48c5c | 2013-04-02 06:05:54 +0000 | [diff] [blame] | 14 | #define GPMC_BUF_EMPTY 0 |
| 15 | #define GPMC_BUF_FULL 1 |
pekon gupta | 20fa8e3 | 2014-06-02 17:14:41 +0530 | [diff] [blame] | 16 | #define GPMC_MAX_SECTORS 8 |
Andreas Bießmann | 9a48c5c | 2013-04-02 06:05:54 +0000 | [diff] [blame] | 17 | |
pekon gupta | 6bd91a8 | 2013-11-18 19:03:00 +0530 | [diff] [blame] | 18 | enum omap_ecc { |
| 19 | /* 1-bit ECC calculation by Software, Error detection by Software */ |
| 20 | OMAP_ECC_HAM1_CODE_SW = 1, /* avoid un-initialized int can be 0x0 */ |
| 21 | /* 1-bit ECC calculation by GPMC, Error detection by Software */ |
| 22 | /* ECC layout compatible to legacy ROMCODE. */ |
| 23 | OMAP_ECC_HAM1_CODE_HW, |
| 24 | /* 4-bit ECC calculation by GPMC, Error detection by Software */ |
| 25 | OMAP_ECC_BCH4_CODE_HW_DETECTION_SW, |
| 26 | /* 4-bit ECC calculation by GPMC, Error detection by ELM */ |
| 27 | OMAP_ECC_BCH4_CODE_HW, |
| 28 | /* 8-bit ECC calculation by GPMC, Error detection by Software */ |
| 29 | OMAP_ECC_BCH8_CODE_HW_DETECTION_SW, |
| 30 | /* 8-bit ECC calculation by GPMC, Error detection by ELM */ |
| 31 | OMAP_ECC_BCH8_CODE_HW, |
pekon gupta | 046cf86 | 2014-06-02 17:14:42 +0530 | [diff] [blame] | 32 | /* 16-bit ECC calculation by GPMC, Error detection by ELM */ |
| 33 | OMAP_ECC_BCH16_CODE_HW, |
pekon gupta | 6bd91a8 | 2013-11-18 19:03:00 +0530 | [diff] [blame] | 34 | }; |
| 35 | |
pekon gupta | c77f284 | 2013-11-22 16:53:28 +0530 | [diff] [blame] | 36 | struct gpmc_cs { |
| 37 | u32 config1; /* 0x00 */ |
| 38 | u32 config2; /* 0x04 */ |
| 39 | u32 config3; /* 0x08 */ |
| 40 | u32 config4; /* 0x0C */ |
| 41 | u32 config5; /* 0x10 */ |
| 42 | u32 config6; /* 0x14 */ |
| 43 | u32 config7; /* 0x18 */ |
| 44 | u32 nand_cmd; /* 0x1C */ |
| 45 | u32 nand_adr; /* 0x20 */ |
| 46 | u32 nand_dat; /* 0x24 */ |
| 47 | u8 res[8]; /* blow up to 0x30 byte */ |
| 48 | }; |
| 49 | |
| 50 | struct bch_res_0_3 { |
| 51 | u32 bch_result_x[4]; |
| 52 | }; |
| 53 | |
pekon gupta | 046cf86 | 2014-06-02 17:14:42 +0530 | [diff] [blame] | 54 | struct bch_res_4_6 { |
| 55 | u32 bch_result_x[3]; |
| 56 | }; |
| 57 | |
pekon gupta | c77f284 | 2013-11-22 16:53:28 +0530 | [diff] [blame] | 58 | struct gpmc { |
| 59 | u8 res1[0x10]; |
| 60 | u32 sysconfig; /* 0x10 */ |
| 61 | u8 res2[0x4]; |
| 62 | u32 irqstatus; /* 0x18 */ |
| 63 | u32 irqenable; /* 0x1C */ |
| 64 | u8 res3[0x20]; |
| 65 | u32 timeout_control; /* 0x40 */ |
| 66 | u8 res4[0xC]; |
| 67 | u32 config; /* 0x50 */ |
| 68 | u32 status; /* 0x54 */ |
| 69 | u8 res5[0x8]; /* 0x58 */ |
| 70 | struct gpmc_cs cs[8]; /* 0x60, 0x90, .. */ |
Daniel Mack | d90e236 | 2014-06-25 14:43:32 +0200 | [diff] [blame] | 71 | u32 prefetch_config1; /* 0x1E0 */ |
| 72 | u32 prefetch_config2; /* 0x1E4 */ |
| 73 | u32 res6; /* 0x1E8 */ |
| 74 | u32 prefetch_control; /* 0x1EC */ |
| 75 | u32 prefetch_status; /* 0x1F0 */ |
pekon gupta | c77f284 | 2013-11-22 16:53:28 +0530 | [diff] [blame] | 76 | u32 ecc_config; /* 0x1F4 */ |
| 77 | u32 ecc_control; /* 0x1F8 */ |
| 78 | u32 ecc_size_config; /* 0x1FC */ |
| 79 | u32 ecc1_result; /* 0x200 */ |
| 80 | u32 ecc2_result; /* 0x204 */ |
| 81 | u32 ecc3_result; /* 0x208 */ |
| 82 | u32 ecc4_result; /* 0x20C */ |
| 83 | u32 ecc5_result; /* 0x210 */ |
| 84 | u32 ecc6_result; /* 0x214 */ |
| 85 | u32 ecc7_result; /* 0x218 */ |
| 86 | u32 ecc8_result; /* 0x21C */ |
| 87 | u32 ecc9_result; /* 0x220 */ |
| 88 | u8 res7[12]; /* 0x224 */ |
| 89 | u32 testmomde_ctrl; /* 0x230 */ |
| 90 | u8 res8[12]; /* 0x234 */ |
pekon gupta | 20fa8e3 | 2014-06-02 17:14:41 +0530 | [diff] [blame] | 91 | struct bch_res_0_3 bch_result_0_3[GPMC_MAX_SECTORS]; /* 0x240,0x250, */ |
pekon gupta | 046cf86 | 2014-06-02 17:14:42 +0530 | [diff] [blame] | 92 | u8 res9[16 * 4]; /* 0x2C0 - 0x2FF */ |
| 93 | struct bch_res_4_6 bch_result_4_6[GPMC_MAX_SECTORS]; /* 0x300,0x310, */ |
pekon gupta | c77f284 | 2013-11-22 16:53:28 +0530 | [diff] [blame] | 94 | }; |
| 95 | |
| 96 | /* Used for board specific gpmc initialization */ |
Ladislav Michl | d5b1c27 | 2016-07-12 20:28:16 +0200 | [diff] [blame] | 97 | extern const struct gpmc *gpmc_cfg; |
Ladislav Michl | 446e94a | 2016-07-12 20:28:17 +0200 | [diff] [blame] | 98 | extern char gpmc_cs0_flash; |
pekon gupta | c77f284 | 2013-11-22 16:53:28 +0530 | [diff] [blame] | 99 | |
Andreas Bießmann | 9a48c5c | 2013-04-02 06:05:54 +0000 | [diff] [blame] | 100 | #endif /* __ASM_OMAP_GPMC_H */ |