xref: /openbmc/u-boot/include/linux/mtd/omap_gpmc.h (revision 83d290c56fab2d38cd1ab4c4cc7099559c1d5046)
1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */
26aff0509Spekon gupta /*
36aff0509Spekon gupta  * (C) Copyright 2004-2008 Texas Instruments, <www.ti.com>
46aff0509Spekon gupta  * Rohit Choraria <rohitkc@ti.com>
56aff0509Spekon gupta  *
609c2b8f3SAndreas Bießmann  * (C) Copyright 2013 Andreas Bießmann <andreas@biessmann.org>
76aff0509Spekon gupta  */
86aff0509Spekon gupta #ifndef __ASM_OMAP_GPMC_H
96aff0509Spekon gupta #define __ASM_OMAP_GPMC_H
106aff0509Spekon gupta 
116aff0509Spekon gupta #define GPMC_BUF_EMPTY	0
126aff0509Spekon gupta #define GPMC_BUF_FULL	1
138d13a730Spekon gupta #define GPMC_MAX_SECTORS	8
146aff0509Spekon gupta 
156aff0509Spekon gupta enum omap_ecc {
166aff0509Spekon gupta 	/* 1-bit  ECC calculation by Software, Error detection by Software */
176aff0509Spekon gupta 	OMAP_ECC_HAM1_CODE_SW = 1, /* avoid un-initialized int can be 0x0 */
186aff0509Spekon gupta 	/* 1-bit  ECC calculation by GPMC, Error detection by Software */
196aff0509Spekon gupta 	/* ECC layout compatible to legacy ROMCODE. */
206aff0509Spekon gupta 	OMAP_ECC_HAM1_CODE_HW,
216aff0509Spekon gupta 	/* 4-bit  ECC calculation by GPMC, Error detection by Software */
226aff0509Spekon gupta 	OMAP_ECC_BCH4_CODE_HW_DETECTION_SW,
236aff0509Spekon gupta 	/* 4-bit  ECC calculation by GPMC, Error detection by ELM */
246aff0509Spekon gupta 	OMAP_ECC_BCH4_CODE_HW,
256aff0509Spekon gupta 	/* 8-bit  ECC calculation by GPMC, Error detection by Software */
266aff0509Spekon gupta 	OMAP_ECC_BCH8_CODE_HW_DETECTION_SW,
276aff0509Spekon gupta 	/* 8-bit  ECC calculation by GPMC, Error detection by ELM */
286aff0509Spekon gupta 	OMAP_ECC_BCH8_CODE_HW,
2946840f66Spekon gupta 	/* 16-bit  ECC calculation by GPMC, Error detection by ELM */
3046840f66Spekon gupta 	OMAP_ECC_BCH16_CODE_HW,
316aff0509Spekon gupta };
326aff0509Spekon gupta 
336aff0509Spekon gupta struct gpmc_cs {
346aff0509Spekon gupta 	u32 config1;		/* 0x00 */
356aff0509Spekon gupta 	u32 config2;		/* 0x04 */
366aff0509Spekon gupta 	u32 config3;		/* 0x08 */
376aff0509Spekon gupta 	u32 config4;		/* 0x0C */
386aff0509Spekon gupta 	u32 config5;		/* 0x10 */
396aff0509Spekon gupta 	u32 config6;		/* 0x14 */
406aff0509Spekon gupta 	u32 config7;		/* 0x18 */
416aff0509Spekon gupta 	u32 nand_cmd;		/* 0x1C */
426aff0509Spekon gupta 	u32 nand_adr;		/* 0x20 */
436aff0509Spekon gupta 	u32 nand_dat;		/* 0x24 */
446aff0509Spekon gupta 	u8 res[8];		/* blow up to 0x30 byte */
456aff0509Spekon gupta };
466aff0509Spekon gupta 
476aff0509Spekon gupta struct bch_res_0_3 {
486aff0509Spekon gupta 	u32 bch_result_x[4];
496aff0509Spekon gupta };
506aff0509Spekon gupta 
5146840f66Spekon gupta struct bch_res_4_6 {
5246840f66Spekon gupta 	u32 bch_result_x[3];
5346840f66Spekon gupta };
5446840f66Spekon gupta 
556aff0509Spekon gupta struct gpmc {
566aff0509Spekon gupta 	u8 res1[0x10];
576aff0509Spekon gupta 	u32 sysconfig;		/* 0x10 */
586aff0509Spekon gupta 	u8 res2[0x4];
596aff0509Spekon gupta 	u32 irqstatus;		/* 0x18 */
606aff0509Spekon gupta 	u32 irqenable;		/* 0x1C */
616aff0509Spekon gupta 	u8 res3[0x20];
626aff0509Spekon gupta 	u32 timeout_control;	/* 0x40 */
636aff0509Spekon gupta 	u8 res4[0xC];
646aff0509Spekon gupta 	u32 config;		/* 0x50 */
656aff0509Spekon gupta 	u32 status;		/* 0x54 */
666aff0509Spekon gupta 	u8 res5[0x8];		/* 0x58 */
676aff0509Spekon gupta 	struct gpmc_cs cs[8];	/* 0x60, 0x90, .. */
68c316f577SDaniel Mack 	u32 prefetch_config1;	/* 0x1E0 */
69c316f577SDaniel Mack 	u32 prefetch_config2;	/* 0x1E4 */
70c316f577SDaniel Mack 	u32 res6;		/* 0x1E8 */
71c316f577SDaniel Mack 	u32 prefetch_control;	/* 0x1EC */
72c316f577SDaniel Mack 	u32 prefetch_status;	/* 0x1F0 */
736aff0509Spekon gupta 	u32 ecc_config;		/* 0x1F4 */
746aff0509Spekon gupta 	u32 ecc_control;	/* 0x1F8 */
756aff0509Spekon gupta 	u32 ecc_size_config;	/* 0x1FC */
766aff0509Spekon gupta 	u32 ecc1_result;	/* 0x200 */
776aff0509Spekon gupta 	u32 ecc2_result;	/* 0x204 */
786aff0509Spekon gupta 	u32 ecc3_result;	/* 0x208 */
796aff0509Spekon gupta 	u32 ecc4_result;	/* 0x20C */
806aff0509Spekon gupta 	u32 ecc5_result;	/* 0x210 */
816aff0509Spekon gupta 	u32 ecc6_result;	/* 0x214 */
826aff0509Spekon gupta 	u32 ecc7_result;	/* 0x218 */
836aff0509Spekon gupta 	u32 ecc8_result;	/* 0x21C */
846aff0509Spekon gupta 	u32 ecc9_result;	/* 0x220 */
856aff0509Spekon gupta 	u8 res7[12];		/* 0x224 */
866aff0509Spekon gupta 	u32 testmomde_ctrl;	/* 0x230 */
876aff0509Spekon gupta 	u8 res8[12];		/* 0x234 */
888d13a730Spekon gupta 	struct bch_res_0_3 bch_result_0_3[GPMC_MAX_SECTORS]; /* 0x240,0x250, */
8946840f66Spekon gupta 	u8 res9[16 * 4];	/* 0x2C0 - 0x2FF */
9046840f66Spekon gupta 	struct bch_res_4_6 bch_result_4_6[GPMC_MAX_SECTORS]; /* 0x300,0x310, */
916aff0509Spekon gupta };
926aff0509Spekon gupta 
936aff0509Spekon gupta /* Used for board specific gpmc initialization */
940568dd06SLadislav Michl extern const struct gpmc *gpmc_cfg;
9522d6ac49SLadislav Michl extern char gpmc_cs0_flash;
966aff0509Spekon gupta 
976aff0509Spekon gupta #endif /* __ASM_OMAP_GPMC_H */
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