FreeBSD/Linux Kernel Cross Reference
sys/dev/cfi/cfi_reg.h

     /*-
      * Copyright (c) 2007, Juniper Networks, Inc.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the author nor the names of any co-contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: releng/8.4/sys/dev/cfi/cfi_reg.h 188156 2009-02-05 18:12:07Z sam $
     */
    
    #ifndef _DEV_CFI_REG_H_
    #define _DEV_CFI_REG_H_
    
    struct cfi_qry {
            u_char          reserved[16];
            u_char          ident[3];       /* "QRY" */
            u_char          pri_vend[2];
            u_char          pri_vend_eqt[2];
            u_char          alt_vend[2];
            u_char          alt_vend_eqt[2];
            /* System Interface Information. */
            u_char          min_vcc;
            u_char          max_vcc;
            u_char          min_vpp;
            u_char          max_vpp;
            u_char          tto_byte_write;         /* 2**n milliseconds. */
            u_char          tto_buf_write;          /* 2**n milliseconds. */
            u_char          tto_block_erase;        /* 2**n milliseconds. */
            u_char          tto_chip_erase;         /* 2**n milliseconds. */
            u_char          mto_byte_write;         /* 2**n times typical t/o. */
            u_char          mto_buf_write;          /* 2**n times typical t/o. */
            u_char          mto_block_erase;        /* 2**n times typical t/o. */
            u_char          mto_chip_erase;         /* 2**n times typical t/o. */
            /* Device Geometry Definition. */
            u_char          size;                   /* 2**n bytes. */
            u_char          iface[2];
            u_char          max_buf_write_size[2];  /* 2**n. */
            u_char          nregions;               /* Number of erase regions. */
            u_char          region[4];              /* Single entry. */
            /* Additional entries follow. */
            /* Primary Vendor-specific Extended Query table follows. */
            /* Alternate Vendor-specific Extended Query table follows. */
    };
    
    #define CFI_QRY_CMD_ADDR        0x55
    #define CFI_QRY_CMD_DATA        0x98
    
    #define CFI_QRY_IDENT           offsetof(struct cfi_qry, ident)
    #define CFI_QRY_VEND            offsetof(struct cfi_qry, pri_vend)
    
    #define CFI_QRY_TTO_WRITE       offsetof(struct cfi_qry, tto_byte_write)
    #define CFI_QRY_TTO_ERASE       offsetof(struct cfi_qry, tto_block_erase)
    #define CFI_QRY_MTO_WRITE       offsetof(struct cfi_qry, mto_byte_write)
    #define CFI_QRY_MTO_ERASE       offsetof(struct cfi_qry, mto_block_erase)
    
    #define CFI_QRY_SIZE            offsetof(struct cfi_qry, size)
    #define CFI_QRY_IFACE           offsetof(struct cfi_qry, iface)
    #define CFI_QRY_NREGIONS        offsetof(struct cfi_qry, nregions)
    #define CFI_QRY_REGION0         offsetof(struct cfi_qry, region)
    #define CFI_QRY_REGION(x)       (CFI_QRY_REGION0 + (x) * 4)
    
    #define CFI_VEND_NONE           0x0000
    #define CFI_VEND_INTEL_ECS      0x0001
    #define CFI_VEND_AMD_SCS        0x0002
    #define CFI_VEND_INTEL_SCS      0x0003
    #define CFI_VEND_AMD_ECS        0x0004
    #define CFI_VEND_MITSUBISHI_SCS 0x0100
    #define CFI_VEND_MITSUBISHI_ECS 0x0101
    
    #define CFI_IFACE_X8            0x0000
    #define CFI_IFACE_X16           0x0001
    #define CFI_IFACE_X8X16         0x0002
    #define CFI_IFACE_X32           0x0003
    #define CFI_IFACE_X16X32        0x0005
    
    /* Standard Command Set (aka Basic Command Set) */
    #define CFI_BCS_BLOCK_ERASE     0x20
    #define CFI_BCS_PROGRAM         0x40
   #define CFI_BCS_CLEAR_STATUS    0x50
   #define CFI_BCS_READ_STATUS     0x70
   #define CFI_BCS_ERASE_SUSPEND   0xb0
   #define CFI_BCS_ERASE_RESUME    0xd0    /* Equals CONFIRM */
   #define CFI_BCS_CONFIRM         0xd0
   #define CFI_BCS_READ_ARRAY      0xff
   
   /* Intel commands. */
   #define CFI_INTEL_READ_ID       0x90    /* Read Identifier */
   #define CFI_INTEL_PP_SETUP      0xc0    /* Protection Program Setup */
   
   /* NB: these are addresses for 16-bit accesses */
   #define CFI_INTEL_PLR           0x80    /* Protection Lock Register */
   #define CFI_INTEL_PR(n)         (0x81+(n)) /* Protection Register */
   
   /* Status register definitions */
   #define CFI_INTEL_STATUS_WSMS   0x0080  /* Write Machine Status */
   #define CFI_INTEL_STATUS_ESS    0x0040  /* Erase Suspend Status */
   #define CFI_INTEL_STATUS_ECLBS  0x0020  /* Erase and Clear Lock-Bit Status */
   #define CFI_INTEL_STATUS_PSLBS  0x0010  /* Program and Set Lock-Bit Status */
   #define CFI_INTEL_STATUS_VPENS  0x0008  /* Programming Voltage Status */
   #define CFI_INTEL_STATUS_PSS    0x0004  /* Program Suspend Status */
   #define CFI_INTEL_STATUS_DPS    0x0002  /* Device Protect Status */
   #define CFI_INTEL_STATUS_RSVD   0x0001  /* reserved */
   
   /* eXtended Status register definitions */
   #define CFI_INTEL_XSTATUS_WBS   0x8000  /* Write Buffer Status */
   #define CFI_INTEL_XSTATUS_RSVD  0x7f00  /* reserved */
   
   /* AMD commands. */
   #define CFI_AMD_BLOCK_ERASE     0x30
   #define CFI_AMD_UNLOCK_ACK      0x55
   #define CFI_AMD_ERASE_SECTOR    0x80
   #define CFI_AMD_PROGRAM         0xa0
   #define CFI_AMD_UNLOCK          0xaa
   
   #define AMD_ADDR_START          0xaaa
   #define AMD_ADDR_ACK            0x555
   
   #endif /* _DEV_CFI_REG_H_ */

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