| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2004-2008 Texas Instruments, <www.ti.com> |
| * Rohit Choraria <rohitkc@ti.com> |
| * |
| * (C) Copyright 2013 Andreas Bießmann <andreas@biessmann.org> |
| */ |
| #ifndef __ASM_OMAP_GPMC_H |
| #define __ASM_OMAP_GPMC_H |
| |
| #include <linux/types.h> |
| |
| /* Maximum Number of Chip Selects */ |
| #define GPMC_CS_NUM 8 |
| |
| #define GPMC_BUF_EMPTY 0 |
| #define GPMC_BUF_FULL 1 |
| #define GPMC_MAX_SECTORS 8 |
| |
| enum omap_ecc { |
| /* 1-bit ECC calculation by Software, Error detection by Software */ |
| OMAP_ECC_HAM1_CODE_SW = 1, /* avoid un-initialized int can be 0x0 */ |
| /* 1-bit ECC calculation by GPMC, Error detection by Software */ |
| /* ECC layout compatible to legacy ROMCODE. */ |
| OMAP_ECC_HAM1_CODE_HW, |
| /* 4-bit ECC calculation by GPMC, Error detection by Software */ |
| OMAP_ECC_BCH4_CODE_HW_DETECTION_SW, |
| /* 4-bit ECC calculation by GPMC, Error detection by ELM */ |
| OMAP_ECC_BCH4_CODE_HW, |
| /* 8-bit ECC calculation by GPMC, Error detection by Software */ |
| OMAP_ECC_BCH8_CODE_HW_DETECTION_SW, |
| /* 8-bit ECC calculation by GPMC, Error detection by ELM */ |
| OMAP_ECC_BCH8_CODE_HW, |
| /* 16-bit ECC calculation by GPMC, Error detection by ELM */ |
| OMAP_ECC_BCH16_CODE_HW, |
| }; |
| |
| struct gpmc_cs { |
| u32 config1; /* 0x00 */ |
| u32 config2; /* 0x04 */ |
| u32 config3; /* 0x08 */ |
| u32 config4; /* 0x0C */ |
| u32 config5; /* 0x10 */ |
| u32 config6; /* 0x14 */ |
| u32 config7; /* 0x18 */ |
| u32 nand_cmd; /* 0x1C */ |
| u32 nand_adr; /* 0x20 */ |
| u32 nand_dat; /* 0x24 */ |
| u8 res[8]; /* blow up to 0x30 byte */ |
| }; |
| |
| struct bch_res_0_3 { |
| u32 bch_result_x[4]; |
| }; |
| |
| struct bch_res_4_6 { |
| u32 bch_result_x[3]; |
| }; |
| |
| struct gpmc { |
| u8 res1[0x10]; |
| u32 sysconfig; /* 0x10 */ |
| u8 res2[0x4]; |
| u32 irqstatus; /* 0x18 */ |
| u32 irqenable; /* 0x1C */ |
| u8 res3[0x20]; |
| u32 timeout_control; /* 0x40 */ |
| u8 res4[0xC]; |
| u32 config; /* 0x50 */ |
| u32 status; /* 0x54 */ |
| u8 res5[0x8]; /* 0x58 */ |
| struct gpmc_cs cs[8]; /* 0x60, 0x90, .. */ |
| u32 prefetch_config1; /* 0x1E0 */ |
| u32 prefetch_config2; /* 0x1E4 */ |
| u32 res6; /* 0x1E8 */ |
| u32 prefetch_control; /* 0x1EC */ |
| u32 prefetch_status; /* 0x1F0 */ |
| u32 ecc_config; /* 0x1F4 */ |
| u32 ecc_control; /* 0x1F8 */ |
| u32 ecc_size_config; /* 0x1FC */ |
| u32 ecc1_result; /* 0x200 */ |
| u32 ecc2_result; /* 0x204 */ |
| u32 ecc3_result; /* 0x208 */ |
| u32 ecc4_result; /* 0x20C */ |
| u32 ecc5_result; /* 0x210 */ |
| u32 ecc6_result; /* 0x214 */ |
| u32 ecc7_result; /* 0x218 */ |
| u32 ecc8_result; /* 0x21C */ |
| u32 ecc9_result; /* 0x220 */ |
| u8 res7[12]; /* 0x224 */ |
| u32 testmomde_ctrl; /* 0x230 */ |
| u8 res8[12]; /* 0x234 */ |
| struct bch_res_0_3 bch_result_0_3[GPMC_MAX_SECTORS]; /* 0x240,0x250, */ |
| u8 res9[16 * 4]; /* 0x2C0 - 0x2FF */ |
| struct bch_res_4_6 bch_result_4_6[GPMC_MAX_SECTORS]; /* 0x300,0x310, */ |
| }; |
| |
| /* Used for board specific gpmc initialization */ |
| extern const struct gpmc *gpmc_cfg; |
| extern char gpmc_cs0_flash; |
| |
| #endif /* __ASM_OMAP_GPMC_H */ |