diff options
Diffstat (limited to 'include/linux/mtd/omap_gpmc.h')
| -rw-r--r-- | include/linux/mtd/omap_gpmc.h | 84 | 
1 files changed, 84 insertions, 0 deletions
diff --git a/include/linux/mtd/omap_gpmc.h b/include/linux/mtd/omap_gpmc.h new file mode 100644 index 000000000..22f657396 --- /dev/null +++ b/include/linux/mtd/omap_gpmc.h @@ -0,0 +1,84 @@ +/* + * (C) Copyright 2004-2008 Texas Instruments, <www.ti.com> + * Rohit Choraria <rohitkc@ti.com> + * + * (C) Copyright 2013 Andreas Bießmann <andreas.devel@googlemail.com> + * + * SPDX-License-Identifier:	GPL-2.0+ + */ +#ifndef __ASM_OMAP_GPMC_H +#define __ASM_OMAP_GPMC_H + +#define GPMC_BUF_EMPTY	0 +#define GPMC_BUF_FULL	1 + +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, +}; + +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 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, .. */ +	u8 res6[0x14];		/* 0x1E0 */ +	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[2];	/* 0x240 */ +}; + +/* Used for board specific gpmc initialization */ +extern struct gpmc *gpmc_cfg; + +#endif /* __ASM_OMAP_GPMC_H */  |