/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Linux driver for Disk-On-Chip devices * * Copyright © 1999 Machine Vision Holdings, Inc. * Copyright © 1999-2010 David Woodhouse <[email protected]> * Copyright © 2002-2003 Greg Ungerer <[email protected]> * Copyright © 2002-2003 SnapGear Inc */ #ifndef __MTD_DOC2000_H__ #define __MTD_DOC2000_H__ #include <linux/mtd/mtd.h> #include <linux/mutex.h> #define DoC_Sig1 … #define DoC_Sig2 … #define DoC_ChipID … #define DoC_DOCStatus … #define DoC_DOCControl … #define DoC_FloorSelect … #define DoC_CDSNControl … #define DoC_CDSNDeviceSelect … #define DoC_ECCConf … #define DoC_2k_ECCStatus … #define DoC_CDSNSlowIO … #define DoC_ECCSyndrome0 … #define DoC_ECCSyndrome1 … #define DoC_ECCSyndrome2 … #define DoC_ECCSyndrome3 … #define DoC_ECCSyndrome4 … #define DoC_ECCSyndrome5 … #define DoC_AliasResolution … #define DoC_ConfigInput … #define DoC_ReadPipeInit … #define DoC_WritePipeTerm … #define DoC_LastDataRead … #define DoC_NOP … #define DoC_Mil_CDSN_IO … #define DoC_2k_CDSN_IO … #define DoC_Mplus_NOP … #define DoC_Mplus_AliasResolution … #define DoC_Mplus_DOCControl … #define DoC_Mplus_AccessStatus … #define DoC_Mplus_DeviceSelect … #define DoC_Mplus_Configuration … #define DoC_Mplus_OutputControl … #define DoC_Mplus_FlashControl … #define DoC_Mplus_FlashSelect … #define DoC_Mplus_FlashCmd … #define DoC_Mplus_FlashAddress … #define DoC_Mplus_FlashData0 … #define DoC_Mplus_FlashData1 … #define DoC_Mplus_ReadPipeInit … #define DoC_Mplus_LastDataRead … #define DoC_Mplus_LastDataRead1 … #define DoC_Mplus_WritePipeTerm … #define DoC_Mplus_ECCSyndrome0 … #define DoC_Mplus_ECCSyndrome1 … #define DoC_Mplus_ECCSyndrome2 … #define DoC_Mplus_ECCSyndrome3 … #define DoC_Mplus_ECCSyndrome4 … #define DoC_Mplus_ECCSyndrome5 … #define DoC_Mplus_ECCConf … #define DoC_Mplus_Toggle … #define DoC_Mplus_DownloadStatus … #define DoC_Mplus_CtrlConfirm … #define DoC_Mplus_Power … /* How to access the device? * On ARM, it'll be mmap'd directly with 32-bit wide accesses. * On PPC, it's mmap'd and 16-bit wide. * Others use readb/writeb */ #if defined(__arm__) static inline u8 ReadDOC_(u32 __iomem *addr, unsigned long reg) { return __raw_readl(addr + reg); } static inline void WriteDOC_(u8 data, u32 __iomem *addr, unsigned long reg) { __raw_writel(data, addr + reg); wmb(); } #define DOC_IOREMAP_LEN … #elif defined(__ppc__) static inline u8 ReadDOC_(u16 __iomem *addr, unsigned long reg) { return __raw_readw(addr + reg); } static inline void WriteDOC_(u8 data, u16 __iomem *addr, unsigned long reg) { __raw_writew(data, addr + reg); wmb(); } #define DOC_IOREMAP_LEN … #else #define ReadDOC_(adr, reg) … #define WriteDOC_(d, adr, reg) … #define DOC_IOREMAP_LEN … #endif #if defined(__i386__) || defined(__x86_64__) #define USE_MEMCPY #endif /* These are provided to directly use the DoC_xxx defines */ #define ReadDOC(adr, reg) … #define WriteDOC(d, adr, reg) … #define DOC_MODE_RESET … #define DOC_MODE_NORMAL … #define DOC_MODE_RESERVED1 … #define DOC_MODE_RESERVED2 … #define DOC_MODE_CLR_ERR … #define DOC_MODE_RST_LAT … #define DOC_MODE_BDECT … #define DOC_MODE_MDWREN … #define DOC_ChipID_Doc2k … #define DOC_ChipID_Doc2kTSOP … #define DOC_ChipID_DocMil … #define DOC_ChipID_DocMilPlus32 … #define DOC_ChipID_DocMilPlus16 … #define CDSN_CTRL_FR_B … #define CDSN_CTRL_FR_B0 … #define CDSN_CTRL_FR_B1 … #define CDSN_CTRL_ECC_IO … #define CDSN_CTRL_FLASH_IO … #define CDSN_CTRL_WP … #define CDSN_CTRL_ALE … #define CDSN_CTRL_CLE … #define CDSN_CTRL_CE … #define DOC_ECC_RESET … #define DOC_ECC_ERROR … #define DOC_ECC_RW … #define DOC_ECC__EN … #define DOC_TOGGLE_BIT … #define DOC_ECC_RESV … #define DOC_ECC_IGNORE … #define DOC_FLASH_CE … #define DOC_FLASH_WP … #define DOC_FLASH_BANK … /* We have to also set the reserved bit 1 for enable */ #define DOC_ECC_EN … #define DOC_ECC_DIS … struct Nand { … }; #define MAX_FLOORS … #define MAX_CHIPS … #define MAX_FLOORS_MIL … #define MAX_CHIPS_MIL … #define MAX_FLOORS_MPLUS … #define MAX_CHIPS_MPLUS … #define ADDR_COLUMN … #define ADDR_PAGE … #define ADDR_COLUMN_PAGE … struct DiskOnChip { … }; int doc_decode_ecc(unsigned char sector[512], unsigned char ecc1[6]); #endif /* __MTD_DOC2000_H__ */
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