flash_v2: packages/devs/flash/intel/stratav2/current/include/flash_strata

annotate packages/devs/flash/intel/stratav2/current/include/flash_strata_v2.inl @ 1754:6a1e54eaaac8

Update following changes to the flash device driver interface

author	bartv
date	Mon, 22 Nov 2004 20:17:05 +0000
parents	80232dbac7fb
children	af5ce7899d45

rev	line source
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	1 #ifndef CYGONCE_DEVS_FLASH_STRATA_V2_INL
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	2 #define CYGONCE_DEVS_FLASH_STRATA_V2_INL
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	3 //==========================================================================
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	4 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	5 // flash_strata.inl
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	6 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	7 // Flash programming for the Strata device
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	8 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	9 //==========================================================================
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	10 //####ECOSGPLCOPYRIGHTBEGIN####
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	11 // -------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	12 // This file is part of eCos, the Embedded Configurable Operating System.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	14 // Copyright (C) 2004 Andrew Lunn
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	15 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	16 // eCos is free software; you can redistribute it and/or modify it under
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	17 // the terms of the GNU General Public License as published by the Free
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	18 // Software Foundation; either version 2 or (at your option) any later version.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	19 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	20 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	21 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	23 // for more details.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	24 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	25 // You should have received a copy of the GNU General Public License along
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	26 // with eCos; if not, write to the Free Software Foundation, Inc.,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	27 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	28 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	29 // As a special exception, if other files instantiate templates or use macros
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	30 // or inline functions from this file, or you compile this file and link it
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	31 // with other works to produce a work based on this file, this file does not
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	32 // by itself cause the resulting work to be covered by the GNU General Public
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	33 // License. However the source code for this file must still be made available
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	34 // in accordance with section (3) of the GNU General Public License.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	35 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	36 // This exception does not invalidate any other reasons why a work based on
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	37 // this file might be covered by the GNU General Public License.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	38 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	39 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	40 // at http://sources.redhat.com/ecos/ecos-license/
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	41 // -------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	42 //####ECOSGPLCOPYRIGHTEND####
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	43 //==========================================================================
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	44 //#####DESCRIPTIONBEGIN####
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	45 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	46 // Author(s): gthomas, hmt
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	47 // Contributors: gthomas, asl
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	48 // Date: 2001-02-14
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	49 // Purpose:
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	50 // Description:
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	51 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	52 //####DESCRIPTIONEND####
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	53 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	54 //==========================================================================
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	55
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	56 #include <pkgconf/system.h>
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	57 #include <pkgconf/devs_flash_strata_v2.h>
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	58 #include <pkgconf/hal.h>
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	59 #include <cyg/hal/hal_arch.h>
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	60
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	61 #define _FLASH_PRIVATE_
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	62 #include <cyg/io/flash.h>
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	63 #include <cyg/io/strata_v2_priv.h>
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	64
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	65 #define _si(p) ((p[1]<<8)\|p[0])
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	66
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	67 #ifdef CYGOPT_DEV_FLASH_STATE_V2_DUMP_UNKNOWN
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	68 extern void diag_dump_buf(void *buf, CYG_ADDRWORD len);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	69 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	70 extern int strncmp(const char s1, const char s2, size_t len);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	71 extern void memcpy( void , const void *, size_t );
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	72
1726 d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	73 // Platforms may define these for special handling when accessing the
d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	74 // query data or write buffer .
d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	75 #ifndef CYGHWR_FLASH_READ_QUERY
d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	76 #define CYGHWR_FLASH_READ_QUERY(a) (*(a))
d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	77 #endif
d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	78 #ifndef CYGHWR_FLASH_WRITE_BUF
d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	79 #define CYGHWR_FLASH_WRITE_BUF(a,b) ((a) = (b))
d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	80 #endif
d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	81
d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	82
d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	83
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	84 //----------------------------------------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	85 // Functions that put the flash device into non-read mode must reside
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	86 // in RAM.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	87 static size_t
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	88 strata_query_hwr (struct cyg_flash_dev dev, void data,
1754 6a1e54eaaac8 Update following changes to the flash device driver interface bartv parents: 1749 diff changeset	89 size_t len)
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	90 __attribute__ ((section (".2ram.flash_query")));
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	91
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	92 static int strata_erase_block (struct cyg_flash_dev *dev,
1754 6a1e54eaaac8 Update following changes to the flash device driver interface bartv parents: 1749 diff changeset	93 cyg_flashaddr_t block)
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	94 __attribute__ ((section (".2ram.flash_erase_block")));
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	95
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	96 static int strata_program_buf (struct cyg_flash_dev *dev,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	97 cyg_flashaddr_t base,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	98 const void* data,
1754 6a1e54eaaac8 Update following changes to the flash device driver interface bartv parents: 1749 diff changeset	99 size_t len)
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	100 __attribute__ ((section (".2ram.flash_program_buf")));
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	101
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	102 #ifdef CYGOPT_DEVS_FLASH_STRATA_V2_LOCKING
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	103 static int strata_unlock_block(struct cyg_flash_dev *dev,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	104 const cyg_flashaddr_t block_base)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	105 __attribute__ ((section (".2ram.flash_unlock_block")));
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	106
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	107 static int strata_lock_block(struct cyg_flash_dev *dev,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	108 const cyg_flashaddr_t block_base)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	109 __attribute__ ((section (".2ram.flash_lock_block")));
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	110 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	111
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	112 //----------------------------------------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	113 // Private structure used by the device.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	114 struct cyg_flash_strata_v2_priv {
1749 80232dbac7fb Flash API clean-ups bartv parents: 1726 diff changeset	115 cyg_flash_block_info_t block_info [1];
80232dbac7fb Flash API clean-ups bartv parents: 1726 diff changeset	116 unsigned int buffer_size; // Size of write buffer
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	117 };
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	118 //----------------------------------------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	119
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	120 static int
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	121 strata_init (struct cyg_flash_dev *dev)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	122 {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	123 struct FLASH_query data, *qp;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	124 int num_regions, region_size, buffer_size;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	125 struct cyg_flash_strata_v2_priv *priv = dev->priv;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	126
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	127 dev->funs->flash_query(dev, &data, sizeof(data));
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	128 qp = &data;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	129 if ( ((qp->manuf_code == FLASH_Intel_code) \|\|
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	130 (qp->manuf_code == FLASH_STMicro_code))
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	131 #ifdef CYGOPT_FLASH_IS_BOOTBLOCK
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	132 // device types go as follows: 0x90 for 16-bits, 0xD0 for 8-bits,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	133 // plus 0 or 1 for -T (Top Boot) or -B (Bottom Boot)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	134 // [FIXME: whatever that means :FIXME]
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	135 // [I think it means the boot blocks are top/bottom of addr space]
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	136 // plus the following size codes:
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	137 // 0: 16Mbit 2: 8Mbit 4: 4Mbit
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	138 // 6: 32Mbit 8: 64Mbit
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	139 #if 16 == CYGNUM_FLASH_WIDTH
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	140 && (0x90 == (0xF0 & qp->device_code)) // 16-bit devices
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	141 #elif 8 == CYGNUM_FLASH_WIDTH
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	142 && (0xD0 == (0xF0 & qp->device_code)) // 8-bit devices
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	143 #else
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	144 && 0
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	145 #error Only understand 16 and 8-bit bootblock flash types
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	146 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	147 ) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	148 int lookup[] = { 16, 8, 4, 32, 64 };
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	149 #define BLOCKSIZE (0x10000)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	150 region_size = BLOCKSIZE;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	151 num_regions = qp->device_code & 0x0F;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	152 num_regions >>= 1;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	153 if ( num_regions > 4 )
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	154 goto flash_type_unknown;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	155 num_regions = lookup[num_regions];
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	156 num_regions = 1024 1024; // to bits
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	157 num_regions /= 8; // to bytes
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	158 num_regions /= BLOCKSIZE; // to blocks
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	159 buffer_size = 0;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	160 #else // CYGOPT_FLASH_IS_BOOTBLOCK
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	161 && (strncmp(qp->id, "QRY", 3) == 0)) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	162 num_regions = _si(qp->num_regions)+1;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	163 region_size = _si(qp->region_size)*256;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	164 if (_si(qp->buffer_size)) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	165 buffer_size = CYGNUM_FLASH_INTERLEAVE << _si(qp->buffer_size);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	166 } else {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	167 buffer_size = 0;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	168 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	169 #endif // Not CYGOPT_FLASH_IS_BOOTBLOCK
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	170
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	171 dev->end = dev->start +
1726 d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	172 (num_regionsregion_sizeCYGNUM_FLASH_INTERLEAVE) -1;
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	173 priv->buffer_size = buffer_size;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	174 priv->block_info[0].blocks = num_regions;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	175 priv->block_info[0].block_size = region_size * CYGNUM_FLASH_INTERLEAVE;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	176 dev->block_info = priv->block_info;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	177 dev->num_block_infos = 1;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	178
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	179 #ifdef CYGNUM_FLASH_BASE_MASK
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	180 // Then this gives us a maximum size for the (visible) device.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	181 // This is to cope with oversize devices fitted, with some high
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	182 // address lines ignored.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	183 if ( (dev->start & CYGNUM_FLASH_BASE_MASK) !=
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	184 ((dev->end - 1) & CYGNUM_FLASH_BASE_MASK ) ) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	185 // then the size of the device appears to span >1 device-worth!
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	186 unsigned int x;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	187 x = (~(CYGNUM_FLASH_BASE_MASK)) + 1; // expected device size
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	188 x += (unsigned int)dev->start;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	189 if ( x < (unsigned int)dev->end ) { // 2nd sanity check
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	190 (dev->pf)("\nFLASH: Oversized device! End addr %p changed to %p\n",
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	191 dev->end, (void *)x );
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	192 dev->end = x;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	193 // Also adjust the block count else unlock crashes!
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	194 x = ((cyg_uint8 )dev->end - (cyg_uint8 )dev->start)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	195 / priv->block_info[0].block_size;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	196 priv->block_info[0].blocks = x;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	197 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	198 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	199 #endif // CYGNUM_FLASH_BASE_MASK
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	200
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	201 return CYG_FLASH_ERR_OK;
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	202 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	203 #ifdef CYGOPT_FLASH_IS_BOOTBLOCK
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	204 flash_type_unknown:
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	205 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	206 #ifdef CYGOPT_DEV_FLASH_STATE_V2_DUMP_UNKNOWN
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	207 (dev->pf)("Can't identify FLASH, sorry, man %x, dev %x, id [%4s] \n",
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	208 qp->manuf_code, qp->device_code, qp->id );
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	209 diag_dump_buf(qp, sizeof(data));
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	210 #endif
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	211 return CYG_FLASH_ERR_HWR;
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	212 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	213
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	214 //----------------------------------------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	215 // Map a hardware status to a package error
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	216 static int strata_hwr_map_error (struct cyg_flash_dev *dev, int err)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	217 {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	218 if (err & FLASH_ErrorMask) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	219 (dev->pf)("Err = %x\n", err);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	220 if (err & FLASH_ErrorProgram)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	221 return CYG_FLASH_ERR_PROGRAM;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	222 else if (err & FLASH_ErrorErase)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	223 return CYG_FLASH_ERR_ERASE;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	224 else
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	225 return CYG_FLASH_ERR_HWR; // FIXME
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	226 } else {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	227 return CYG_FLASH_ERR_OK;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	228 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	229 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	230
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	231 //----------------------------------------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	232 #define CNT 20100010 // Approx 20ms
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	233
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	234 static size_t
1754 6a1e54eaaac8 Update following changes to the flash device driver interface bartv parents: 1749 diff changeset	235 strata_query_hwr (struct cyg_flash_dev dev, void data_dst, size_t len)
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	236 {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	237 volatile flash_t *ROM;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	238 int i, cnt;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	239 unsigned char data = (unsigned char )data_dst;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	240
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	241 // Get base address and map addresses to virtual addresses
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	242 ROM = FLASH_P2V( dev->start );
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	243 #ifdef CYGOPT_FLASH_IS_BOOTBLOCK
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	244 // BootBlock flash does not support full Read_Query - we have do a
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	245 // table oriented thing above, after getting just two bytes of results:
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	246 ROM[0] = FLASH_Read_ID;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	247 i = 2;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	248 #else
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	249 // StrataFlash supports the full Read_Query op:
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	250 ROM[0] = FLASH_Read_Query;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	251 i = sizeof(struct FLASH_query);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	252 #endif // Not CYGOPT_FLASH_IS_BOOTBLOCK
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	253
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	254 for (cnt = CNT; cnt > 0; cnt--) ;
1726 d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	255 for ( /* i */; i > 0; i--, ++ROM ) {
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	256 // It is very deliberate that data is chars NOT flash_t:
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	257 // The info comes out in bytes regardless of device.
1726 d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	258 *data++ = (unsigned char) CYGHWR_FLASH_READ_QUERY(ROM);
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	259 #ifndef CYGOPT_FLASH_IS_BOOTBLOCK
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	260 # if 8 == CYGNUM_FLASH_WIDTH
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	261 // strata flash with 'byte-enable' contains the configuration data
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	262 // at even addresses
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	263 ++ROM;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	264 # endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	265 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	266 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	267 ROM[0] = FLASH_Reset;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	268
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	269 return 0;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	270 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	271
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	272
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	273 //----------------------------------------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	274 static int strata_erase_block (struct cyg_flash_dev *dev,
1754 6a1e54eaaac8 Update following changes to the flash device driver interface bartv parents: 1749 diff changeset	275 cyg_flashaddr_t block_base)
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	276 {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	277 volatile flash_t *ROM;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	278 flash_t stat = 0;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	279 int timeout = 50000;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	280 int len, block_len, erase_block_size;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	281 volatile flash_t eb, block;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	282
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	283 // Get base address and map addresses to virtual addresses
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	284 ROM = FLASH_P2V(dev->start);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	285 eb = block = FLASH_P2V(block_base);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	286 block_len = dev->block_info[0].block_size;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	287
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	288 #ifdef CYGOPT_FLASH_IS_BOOTBLOCK
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	289 #define BLOCKSIZE (0x10000*CYGNUM_FLASH_INTERLEAVE)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	290 #define ERASE_BLOCKSIZE (0x2000*CYGNUM_FLASH_INTERLEAVE)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	291 if ((eb - ROM) < BLOCKSIZE/(sizeof eb[0])) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	292 erase_block_size = ERASE_BLOCKSIZE;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	293 } else {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	294 erase_block_size = block_size;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	295 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	296 #else
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	297 erase_block_size = dev->block_info[0].block_size;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	298 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	299
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	300 // Clear any error conditions
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	301 ROM[0] = FLASH_Clear_Status;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	302
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	303 // Erase block
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	304 while (block_len > 0) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	305 eb[0] = FLASH_Block_Erase;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	306 eb[0] = FLASH_Confirm;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	307
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	308 timeout = 5000000;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	309 while(((stat = eb[0]) & FLASH_Status_Ready) != FLASH_Status_Ready) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	310 if (--timeout == 0) break;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	311 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	312
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	313 block_len -= erase_block_size;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	314 eb = FLASH_P2V((unsigned int)eb + erase_block_size);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	315 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	316
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	317 // Restore ROM to "normal" mode
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	318 ROM[0] = FLASH_Reset;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	319
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	320 // If an error was reported, see if the block erased anyway
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	321 if (stat & FLASH_ErrorMask ) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	322 len = dev->block_info[0].block_size;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	323 while (len > 0) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	324 if (*block++ != FLASH_BlankValue ) break;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	325 len -= sizeof(*block);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	326 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	327 if (len == 0) stat = 0;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	328 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	329
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	330 return stat;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	331 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	332
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	333 //----------------------------------------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	334 static int
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	335 strata_program_buf (struct cyg_flash_dev *dev,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	336 cyg_flashaddr_t base_addr,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	337 const void* data_addr,
1754 6a1e54eaaac8 Update following changes to the flash device driver interface bartv parents: 1749 diff changeset	338 size_t total_len)
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	339 {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	340 struct cyg_flash_strata_v2_priv *priv = dev->priv;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	341 volatile flash_t *ROM;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	342 volatile flash_t BA, addr;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	343 flash_t * data = (flash_t *)data_addr;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	344 flash_t stat = 0;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	345 int timeout = 50000;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	346 int len = total_len;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	347
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	348 #ifdef FLASH_Write_Buffer
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	349 int i, wc;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	350 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	351
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	352 // Get base address and map addresses to virtual addresses
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	353 ROM = FLASH_P2V( dev->start );
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	354 BA = addr = FLASH_P2V(base_addr);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	355
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	356 // Clear any error conditions
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	357 ROM[0] = FLASH_Clear_Status;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	358
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	359 #ifdef FLASH_Write_Buffer
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	360 // Write any big chunks first
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	361 while (len >= priv->buffer_size) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	362 wc = priv->buffer_size;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	363 if (wc > len) wc = len;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	364 len -= wc;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	365 // convert 'wc' in bytes to 'wc' in 'flash_t'
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	366 wc = wc / sizeof(flash_t); // Word count
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	367 *BA = FLASH_Write_Buffer;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	368 timeout = 5000000;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	369 while(((stat = ROM[0]) & FLASH_Status_Ready) != FLASH_Status_Ready) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	370 if (--timeout == 0) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	371 goto bad;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	372 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	373 *BA = FLASH_Write_Buffer;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	374 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	375 *BA = FLASHWORD(wc-1); // Count is 0..N-1
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	376 for (i = 0; i < wc; i++) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	377 #ifdef CYGHWR_FLASH_WRITE_ELEM
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	378 CYGHWR_FLASH_WRITE_ELEM(addr+i, data+i);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	379 #else
1726 d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the asl parents: 1718 diff changeset	380 CYGHWR_FLASH_WRITE_BUF(addr+i, data+i);
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	381 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	382 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	383 *BA = FLASH_Confirm;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	384
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	385 ROM[0] = FLASH_Read_Status;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	386 timeout = 5000000;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	387 while(((stat = ROM[0]) & FLASH_Status_Ready) != FLASH_Status_Ready) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	388 if (--timeout == 0) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	389 goto bad;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	390 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	391 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	392 // Jump out if there was an error
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	393 if (stat & FLASH_ErrorMask) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	394 goto bad;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	395 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	396 // And verify the data - also increments the pointers.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	397 *BA = FLASH_Reset;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	398 for (i = 0; i < wc; i++) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	399 if ( addr++ != data++ ) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	400 stat = FLASH_ErrorNotVerified;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	401 goto bad;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	402 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	403 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	404 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	405 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	406
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	407 while (len > 0) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	408 BA[0] = FLASH_Program;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	409 #ifdef CYGHWR_FLASH_WRITE_ELEM
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	410 CYGHWR_FLASH_WRITE_ELEM(addr, data);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	411 #else
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	412 addr = data;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	413 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	414 timeout = 5000000;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	415 while(((stat = BA[0]) & FLASH_Status_Ready) != FLASH_Status_Ready) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	416 if (--timeout == 0) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	417 goto bad;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	418 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	419 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	420 if (stat & FLASH_ErrorMask) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	421 break;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	422 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	423 BA[0] = FLASH_Reset;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	424 if (addr++ != data++) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	425 stat = FLASH_ErrorNotVerified;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	426 break;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	427 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	428 len -= sizeof( flash_t );
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	429 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	430
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	431 // Restore ROM to "normal" mode
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	432 bad:
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	433 BA[0] = FLASH_Reset;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	434
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	435 return stat;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	436 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	437
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	438 #ifdef CYGOPT_DEVS_FLASH_STRATA_V2_LOCKING
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	439 //----------------------------------------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	440 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	441 // The difficulty with this operation is that the hardware does not support
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	442 // unlocking single blocks. However, the logical layer would like this to
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	443 // be the case, so this routine emulates it. The hardware can clear all of
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	444 // the locks in the device at once. This routine will use that approach and
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	445 // then reset the regions which are known to be locked.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	446 //
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	447
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	448 #define FLASH_LOCK_MASK 0x1 // which bit of the read query has the lock bit
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	449
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	450 static int
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	451 strata_unlock_block(struct cyg_flash_dev *dev,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	452 const cyg_flashaddr_t block_base)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	453 {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	454 volatile flash_t *ROM;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	455 flash_t stat;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	456 int timeout = 5000000;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	457 #ifndef CYGOPT_FLASH_IS_SYNCHRONOUS
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	458 int i;
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	459 volatile flash_t bp, bpv, *block;
1718 c8515e560548 2004-08-21 Andrew Lunn <andrew.lunn@ascom.ch> asl parents: 1716 diff changeset	460 unsigned char is_locked[CYGNUM_DEVS_FLASH_STRATA_V2_MAX_BLOCKS];
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	461 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	462
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	463 // Get base address and map addresses to virtual addresses
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	464 ROM = FLASH_P2V( dev->start );
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	465 block = FLASH_P2V(block_base);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	466
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	467 // Clear any error conditions
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	468 ROM[0] = FLASH_Clear_Status;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	469
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	470 #ifdef CYGOPT_FLASH_IS_SYNCHRONOUS
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	471 // Clear lock bit
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	472 block[0] = FLASH_Clear_Locks;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	473 block[0] = FLASH_Clear_Locks_Confirm; // Confirmation
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	474 while(((stat = ROM[0]) & FLASH_Status_Ready) != FLASH_Status_Ready) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	475 if (--timeout == 0) break;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	476 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	477 #else
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	478 // Get current block lock state. This needs to access each block on
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	479 // the device so currently locked blocks can be re-locked.
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	480 bp = ROM;
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	481 for (i = 0; i < dev->block_info[0].blocks; i++) {
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	482 bpv = FLASH_P2V( bp );
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	483 *bpv = FLASH_Read_Query;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	484 if (bpv == block) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	485 is_locked[i] = 0;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	486 } else {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	487 #if 8 == CYGNUM_FLASH_WIDTH
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	488 is_locked[i] = bpv[4] & FLASH_LOCK_MASK;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	489 #else
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	490 is_locked[i] = bpv[2] & FLASH_LOCK_MASK;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	491 # endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	492 }
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	493 bp += dev->block_info[0].block_size / sizeof(*bp);
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	494 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	495
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	496 // Clears all lock bits
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	497 ROM[0] = FLASH_Clear_Locks;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	498 ROM[0] = FLASH_Clear_Locks_Confirm; // Confirmation
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	499 timeout = 5000000;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	500 while(((stat = ROM[0]) & FLASH_Status_Ready) != FLASH_Status_Ready) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	501 if (--timeout == 0) break;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	502 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	503
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	504 // Restore the lock state
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	505 bp = ROM;
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	506 for (i = 0; i < dev->block_info[0].blocks; i++) {
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	507 bpv = FLASH_P2V( bp );
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	508 if (is_locked[i]) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	509 *bpv = FLASH_Set_Lock;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	510 *bpv = FLASH_Set_Lock_Confirm; // Confirmation
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	511 timeout = 5000000;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	512 while(((stat = ROM[0]) & FLASH_Status_Ready) != FLASH_Status_Ready) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	513 if (--timeout == 0) break;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	514 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	515 }
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	516 bp += dev->block_info[0].block_size / sizeof(*bp);
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	517 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	518 #endif // CYGOPT_FLASH_IS_SYNCHRONOUS
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	519
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	520 // Restore ROM to "normal" mode
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	521 ROM[0] = FLASH_Reset;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	522
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	523 return stat;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	524 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	525
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	526 //----------------------------------------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	527 static int
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	528 strata_lock_block(struct cyg_flash_dev *dev,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	529 const cyg_flashaddr_t block_base)
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	530 {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	531 volatile flash_t *ROM;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	532 flash_t stat;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	533 int timeout = 5000000;
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	534 volatile flash_t *block;
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	535
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	536 // Get base address and map addresses to virtual addresses
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	537 ROM = FLASH_P2V(dev->start);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	538 block = FLASH_P2V(block_base);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	539
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	540 // Clear any error conditions
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	541 ROM[0] = FLASH_Clear_Status;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	542
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	543 // Set lock bit
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	544 block[0] = FLASH_Set_Lock;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	545 block[0] = FLASH_Set_Lock_Confirm; // Confirmation
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	546 while(((stat = ROM[0]) & FLASH_Status_Ready) != FLASH_Status_Ready) {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	547 if (--timeout == 0) break;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	548 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	549
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	550 // Restore ROM to "normal" mode
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	551 ROM[0] = FLASH_Reset;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	552
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	553 return stat;
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	554 }
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	555 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	556
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	557 //----------------------------------------------------------------------------
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	558
1716 e4f7f465ee77 * cdl/flash_strata_v2.cdl: Indicate we implement asl parents: 1709 diff changeset	559 #ifdef CYGOPT_DEVS_FLASH_STRATA_V2_LOCKING
1709 57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	560 static CYG_FLASH_FUNS (cyg_flash_strata_v2_funs,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	561 strata_init,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	562 strata_query_hwr,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	563 strata_erase_block,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	564 strata_program_buf,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	565 NULL,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	566 strata_hwr_map_error,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	567 strata_lock_block,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	568 strata_unlock_block);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	569 #else
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	570 static CYG_FLASH_FUNS (cyg_flash_strata_v2_funs,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	571 strata_init,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	572 strata_query_hwr,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	573 strata_erase_block,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	574 strata_program_buf,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	575 NULL,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	576 strata_hwr_map_error,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	577 NULL,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	578 NULL);
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	579 #endif
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	580 #endif //CYGONCE_DEVS_FLASH_STRATA_V2_INL
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	581 // EOF strata.c

Mercurial > flash_v2

annotate packages/devs/flash/intel/stratav2/current/include/flash_strata_v2.inl @ 1754:6a1e54eaaac8