diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mtd/omap_elm.h | 77 | ||||
| -rw-r--r-- | include/linux/mtd/omap_gpmc.h | 84 | ||||
| -rw-r--r-- | include/linux/sizes.h | 47 |
3 files changed, 208 insertions, 0 deletions
diff --git a/include/linux/mtd/omap_elm.h b/include/linux/mtd/omap_elm.h new file mode 100644 index 0000000..45454ea --- /dev/null +++ b/include/linux/mtd/omap_elm.h @@ -0,0 +1,77 @@ +/* + * (C) Copyright 2010-2011 Texas Instruments, <www.ti.com> + * Mansoor Ahamed <mansoor.ahamed@ti.com> + * + * Derived from work done by Rohit Choraria <rohitkc@ti.com> for omap3 + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef __ASM_ARCH_ELM_H +#define __ASM_ARCH_ELM_H +/* + * ELM Module Registers + */ + +/* ELM registers bit fields */ +#define ELM_SYSCONFIG_SOFTRESET_MASK (0x2) +#define ELM_SYSCONFIG_SOFTRESET (0x2) +#define ELM_SYSSTATUS_RESETDONE_MASK (0x1) +#define ELM_SYSSTATUS_RESETDONE (0x1) +#define ELM_LOCATION_CONFIG_ECC_BCH_LEVEL_MASK (0x3) +#define ELM_LOCATION_CONFIG_ECC_SIZE_MASK (0x7FF0000) +#define ELM_LOCATION_CONFIG_ECC_SIZE_POS (16) +#define ELM_SYNDROME_FRAGMENT_6_SYNDROME_VALID (0x00010000) +#define ELM_LOCATION_STATUS_ECC_CORRECTABLE_MASK (0x100) +#define ELM_LOCATION_STATUS_ECC_NB_ERRORS_MASK (0x1F) + +#ifndef __ASSEMBLY__ + +enum bch_level { + BCH_4_BIT = 0, + BCH_8_BIT, + BCH_16_BIT +}; + + +/* BCH syndrome registers */ +struct syndrome { + u32 syndrome_fragment_x[7]; /* 0x400, 0x404.... 0x418 */ + u8 res1[36]; /* 0x41c */ +}; + +/* BCH error status & location register */ +struct location { + u32 location_status; /* 0x800 */ + u8 res1[124]; /* 0x804 */ + u32 error_location_x[16]; /* 0x880.... */ + u8 res2[64]; /* 0x8c0 */ +}; + +/* BCH ELM register map - do not try to allocate memmory for this structure. + * We have used plenty of reserved variables to fill the slots in the ELM + * register memory map. + * Directly initialize the struct pointer to ELM base address. + */ +struct elm { + u32 rev; /* 0x000 */ + u8 res1[12]; /* 0x004 */ + u32 sysconfig; /* 0x010 */ + u32 sysstatus; /* 0x014 */ + u32 irqstatus; /* 0x018 */ + u32 irqenable; /* 0x01c */ + u32 location_config; /* 0x020 */ + u8 res2[92]; /* 0x024 */ + u32 page_ctrl; /* 0x080 */ + u8 res3[892]; /* 0x084 */ + struct syndrome syndrome_fragments[8]; /* 0x400 */ + u8 res4[512]; /* 0x600 */ + struct location error_location[8]; /* 0x800 */ +}; + +int elm_check_error(u8 *syndrome, u32 nibbles, u32 *error_count, + u32 *error_locations); +int elm_config(enum bch_level level); +void elm_reset(void); +void elm_init(void); +#endif /* __ASSEMBLY__ */ +#endif /* __ASM_ARCH_ELM_H */ diff --git a/include/linux/mtd/omap_gpmc.h b/include/linux/mtd/omap_gpmc.h new file mode 100644 index 0000000..22f6573 --- /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 */ diff --git a/include/linux/sizes.h b/include/linux/sizes.h new file mode 100644 index 0000000..ce3e815 --- /dev/null +++ b/include/linux/sizes.h @@ -0,0 +1,47 @@ +/* + * include/linux/sizes.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __LINUX_SIZES_H__ +#define __LINUX_SIZES_H__ + +#define SZ_1 0x00000001 +#define SZ_2 0x00000002 +#define SZ_4 0x00000004 +#define SZ_8 0x00000008 +#define SZ_16 0x00000010 +#define SZ_32 0x00000020 +#define SZ_64 0x00000040 +#define SZ_128 0x00000080 +#define SZ_256 0x00000100 +#define SZ_512 0x00000200 + +#define SZ_1K 0x00000400 +#define SZ_2K 0x00000800 +#define SZ_4K 0x00001000 +#define SZ_8K 0x00002000 +#define SZ_16K 0x00004000 +#define SZ_32K 0x00008000 +#define SZ_64K 0x00010000 +#define SZ_128K 0x00020000 +#define SZ_256K 0x00040000 +#define SZ_512K 0x00080000 + +#define SZ_1M 0x00100000 +#define SZ_2M 0x00200000 +#define SZ_4M 0x00400000 +#define SZ_8M 0x00800000 +#define SZ_16M 0x01000000 +#define SZ_32M 0x02000000 +#define SZ_64M 0x04000000 +#define SZ_128M 0x08000000 +#define SZ_256M 0x10000000 +#define SZ_512M 0x20000000 + +#define SZ_1G 0x40000000 +#define SZ_2G 0x80000000 + +#endif /* __LINUX_SIZES_H__ */ |