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

annotate packages/devs/flash/intel/stratav2/current/include/flash_strata_v2.inl @ 1726:d2486ee206e4

* include/flash_strata_v2.inl: Return the end address which is the last valid address, not the first invalid address. Also import Mark Salters changes from the trunk.

author	asl
date	Tue, 14 Sep 2004 16:02:54 +0000
parents	c8515e560548
children	80232dbac7fb

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,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	89 const size_t len)
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,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	93 const cyg_flashaddr_t block)
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,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	99 const size_t len)
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 {
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	115 cyg_block_info_t block_info [1];
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	116 unsigned int buffer_size; // Size of write buffer
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
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	235 strata_query_hwr (struct cyg_flash_dev dev, void data_dst, const size_t len)
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,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	275 const cyg_flashaddr_t block_base)
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,
57655b789e8a * New version of the strata driver based on the old version. This asl parents: diff changeset	338 const size_t total_len)
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 @ 1726:d2486ee206e4