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progalgspiflash.cpp
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progalgspiflash.cpp
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/* SPI Flash PROM JTAG programming algorithms
Copyright (C) 2009, 2010, 2011 Uwe Bonnes
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Code based on http://code.google.com/p/xilprg-hunz/
*/
#include <sys/time.h>
#include "progalgspiflash.h"
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include "bitrev.h"
const byte ProgAlgSPIFlash::USER1=0x02;
const byte ProgAlgSPIFlash::USER2=0x03;
const byte ProgAlgSPIFlash::JSTART=0x0c;
const byte ProgAlgSPIFlash::JSHUTDOWN=0x0d;
const byte ProgAlgSPIFlash::CFG_IN=0x05;
const byte ProgAlgSPIFlash::CONFIG=0xee;
const byte ProgAlgSPIFlash::BYPASS=0xff;
#define PAGE_PROGRAM 0x02
#define PAGE_READ 0x03
#define READ_STATUS_REGISTER 0x05
#define WRITE_ENABLE 0x06
#define SECTOR_ERASE 0xD8
#define READ_IDENTIFICATION 0x9F
#define BULK_ERASE 0xC7
#define WRITE_BUSY 0x80
/* AT45 specific*/
#define AT45_SECTOR_ERASE 0x7C
#define SECTOR_LOCKDOWN_READ 0x35
#define AT45_READ_STATUS 0xD7
#define AT45_READY 0x01
/* Block protect bits */
#define BP0 0x04
#define BP1 0x08
#define BP2 0x10
ProgAlgSPIFlash::ProgAlgSPIFlash(Jtag &j)
{
char *fname = getenv("SPI_DEBUG");
if (fname)
fp_dbg = fopen(fname,"wb");
else
fp_dbg = NULL;
jtag=&j;
buf = 0;
miso_buf = new byte[5010];
mosi_buf = new byte[5010];
sector_size = 65536; /* Many devices have 64 kiByte sectors*/
sector_erase_cmd = 0xD8; /* default erase command */
}
ProgAlgSPIFlash::~ProgAlgSPIFlash(void)
{
delete[] miso_buf;
delete[] mosi_buf;
if(buf) delete[] buf;
if(fp_dbg)
fclose(fp_dbg);
}
int ProgAlgSPIFlash::spi_flashinfo_s33(unsigned char *buf)
{
fprintf(stderr, "Found Intel Device, Device ID 0x%02x%02x\n",
buf[1], buf[2]);
if (buf[1] != 0x89)
{
fprintf(stderr,"S33: Unexpected RDID upper Device ID 0x%02x\n", buf[1]);
return -1;
}
switch (buf[2])
{
case 0x11:
pages = 8192;
break;
case 0x12:
pages = 16364;
break;
case 0x13:
pages = 32768;
break;
default:
fprintf(stderr,"Unexpected S33 size ID 0x%02x\n", buf[2]);
return -1;
}
pgsize = 256;
/* try to read the OTP Number */
buf[0]=0x4B;
buf[1]=0x00;
buf[2]=0x01;
buf[3]=0x02;
spi_xfer_user1(NULL,0,0,buf,8, 4);
spi_xfer_user1(buf, 8,4,NULL,0, 0);
fprintf(stderr,"Unique number: ");
for (int i= 0; i<8 ; i++)
fprintf(stderr,"%02x", buf[i]);
fprintf(stderr, " \n");
return 1;
}
int ProgAlgSPIFlash::spi_flashinfo_amic(unsigned char *buf)
{
fprintf(stderr, "Found AMIC Device, Device ID 0x%02x%02x\n",
buf[1], buf[2]);
switch (buf[2])
{
case 0x10:
pages = 256;
break;
case 0x11:
pages = 512;
break;
case 0x12:
pages = 1024;
break;
case 0x13:
pages = 2048;
break;
case 0x14:
pages = 4096;
break;
case 0x15:
pages = 8192;
break;
case 0x16:
pages = 16384;
break;
default:
fprintf(stderr,"Unexpected AMIC size ID 0x%02x\n", buf[2]);
return -1;
}
pgsize = 256;
fprintf(stderr, " \n");
return 1;
}
int ProgAlgSPIFlash::spi_flashinfo_amic_quad(unsigned char *buf)
{
fprintf(stderr, "Found AMIC Quad Device, Device ID 0x%02x%02x\n",
buf[1], buf[2]);
switch (buf[2])
{
case 0x16:
pages = 16384;
break;
default:
fprintf(stderr,"Unexpected AMIC Quad size ID 0x%02x\n", buf[2]);
return -1;
}
pgsize = 256;
fprintf(stderr, " \n");
return 1;
}
int ProgAlgSPIFlash::spi_flashinfo_w25(unsigned char *buf)
{
fprintf(stderr, "Found Winbond Device, Device ID 0x%02x%02x\n",
buf[1], buf[2]);
if ((buf[1] != 0x30) && (buf[1] != 0x40))
{
fprintf(stderr,"W25: Unexpected RDID upper Device ID 0x%02x\n", buf[1]);
return -1;
}
switch (buf[2])
{
case 0x11:
pages = 512;
break;
case 0x12:
pages = 1024;
break;
case 0x13:
pages = 2048;
break;
case 0x14:
pages = 4096;
break;
case 0x15:
pages = 8192;
break;
case 0x16:
pages = 16384;
break;
case 0x17:
pages = 32768;
break;
case 0x18:
pages = 65536;
break;
case 0x19:
pages = 2*65536;
break;
default:
fprintf(stderr,"Unexpected W25 size ID 0x%02x\n", buf[2]);
return -1;
}
pgsize = 256;
sector_size = 4096; /* Bytes = 32 kiBits*/
sector_erase_cmd = 0x20;
if (buf[1] == 0x40)
{
/* try to read the OTP Number */
buf[0]=0x4B;
buf[1]=0x00;
buf[2]=0x01;
buf[3]=0x02;
spi_xfer_user1(NULL,0,0,buf,8, 4);
spi_xfer_user1(buf, 8,4,NULL,0, 0);
fprintf(stderr,"Unique number: ");
for (int i= 0; i<8 ; i++)
fprintf(stderr,"%02x", buf[i]);
fprintf(stderr, " \n");
}
return 1;
}
struct at45_t
{
unsigned int id;
int pgsize;
int alt_pagesize;
int pages;
int pages_per_sector;
char chipname[12];
};
int ProgAlgSPIFlash::spi_flashinfo_at45(unsigned char *buf)
{
byte fbuf[128];
int idx;
#define NUM_AT45 7
struct at45_t at45chips[NUM_AT45] =
{
{ 3, 264, 256, 512, 128, "AT45DB011"},
{ 7, 264, 256, 2048, 256, "AT45DB041"},
{ 9, 264, 256, 4096, 256, "AT45DB801"},
{ 0x0b, 528, 512, 4096, 256, "AT45DB161"},
{ 0x0d, 528, 512, 8192, 256, "AT45DB321"},
{ 0x0f, 1056, 1024, 8192, 256, "AT45DB641"},
{ 0xff, 0, 0, 0, 0, "UNKNOWN" }
};
// read result
fbuf[0]= AT45_READ_STATUS;
spi_xfer_user1(NULL,0,0,fbuf, 2, 1);
// get status
spi_xfer_user1(fbuf,2,1, NULL, 0, 0);
fbuf[0] = bitRevTable[fbuf[0]];
fbuf[1] = bitRevTable[fbuf[1]];
fprintf(stderr, "status: %02x\n",fbuf[1]);
for(idx=0; idx < NUM_AT45;idx++) {
if(at45chips[idx].id == ((fbuf[0]>>2)&0x0f))
break;
}
if(idx == NUM_AT45) {
fprintf(stderr, "don't know that flash or status b0rken!\n");
return -1;
}
fprintf(stderr, "Found Atmel Device, Device ID 0x%02x%02x: %s\n",
buf[1], buf[2], at45chips[idx].chipname);
pgsize=at45chips[idx].pgsize;
pages=at45chips[idx].pages;
pages_per_sector = at45chips[idx].pages_per_sector;
pages_per_block = 8;
/* try to read the OTP Number */
fbuf[0]=0x77;
fbuf[3]=fbuf[2]=fbuf[1]=0;
spi_xfer_user1(NULL,0,0,fbuf,128, 4);
spi_xfer_user1(fbuf, 128,4,NULL,0, 0);
fprintf(stderr,"Unique number:\n");
for (int i= 64; i< 128; i++)
{
fprintf(stderr,"%02x", fbuf[i]);
if ((i & 0x1f) == 0x1f)
fprintf(stderr,"\n");
}
return 1;
}
int ProgAlgSPIFlash::spi_flashinfo_sst(unsigned char *buf)
{
fprintf(stderr, "Found SST device, Device ID 0x%02x%02x\n",
buf[1], buf[2]);
if (buf[1]!=0x25) {
fprintf(stderr,"Does not look like this is a SST SPI flash device\n");
return false;
}
pgsize = 256;
sector_size = 4096;
switch(buf[2])
{
case 0x8d: /* SST25VF040B */
pages = 2048;
break;
case 0x8e: /* SST25VF080B */
pages = 4096;
break;
case 0x41: /* SST25VF016B */
pages = 8192;
break;
default:
printf("Unknown SST Flash Size (0x%.2x)\n", buf[2]);
return false;
}
return true;
}
int ProgAlgSPIFlash::spi_flashinfo_m25p_mx25l(unsigned char *buf, int is_mx25l)
{
byte fbuf[21]= {READ_IDENTIFICATION};
int i, j = 0;
spi_xfer_user1(NULL,0,0,fbuf,20,1);
spi_xfer_user1(fbuf, 20, 1, NULL,0, 0);
fbuf[0] = bitRevTable[fbuf[0]];
fbuf[1] = bitRevTable[fbuf[1]];
fbuf[2] = bitRevTable[fbuf[2]];
fbuf[3] = bitRevTable[fbuf[3]];
if(is_mx25l) {
switch (fbuf[1])
{
case 0x20:
fprintf(stderr, "Found Macronix MX25L Device, Device ID 0x%02x%02x\n",
fbuf[1], fbuf[2]);
switch (fbuf[2])
{
case 0x17:
pages = 262144;
sector_size = 65536;
break;
default:
fprintf(stderr,"Unexpected MX25L size ID 0x%02x\n", buf[2]);
return -1;
}
break;
default:
fprintf(stderr,"MX25L: Unexpected RDID upper Device ID 0x%02x\n", fbuf[1]);
return -1;
}
} else {
switch (fbuf[1])
{
case 0x20:
fprintf(stderr, "Found Numonyx M25P Device, Device ID 0x%02x%02x\n",
fbuf[1], fbuf[2]);
switch (fbuf[2])
{
case 0x11:
pages = 512;
sector_size = 32768; /* Bytes = 262144 bits*/
break;
case 0x12:
pages = 1024;
break;
case 0x13:
pages = 2048;
break;
case 0x14:
pages = 4096;
break;
case 0x15:
pages = 8192;
break;
case 0x16:
pages = 16384;
break;
case 0x17:
pages = 32768;
sector_size = 131072; /* Bytes = 1 Mi Bit*/
break;
case 0x18:
pages = 65536;
sector_size = 262144; /* Bytes = 2 Mi Bit*/
break;
default:
fprintf(stderr,"Unexpected M25P size ID 0x%02x\n", buf[2]);
return -1;
}
break;
case 0x80:
fprintf(stderr, "Found Micron M25PE Device, Device ID 0x%02x%02x\n",
fbuf[1], fbuf[2]);
switch (fbuf[2])
{
case 0x15:
pages = 65536;
sector_size = 65536;
break;
default:
fprintf(stderr,"Unexpected M25PE size ID 0x%02x\n", buf[2]);
return -1;
}
break;
case 0xba:
fprintf(stderr, "Found Numonyx N25Q Device, Device ID 0x%02x%02x\n",
fbuf[1], fbuf[2]);
switch (fbuf[2])
{
case 0x17:
pages = 32768;
sector_size = 65536;
break;
case 0x18:
pages = 65536;
sector_size = 65536;
break;
default:
fprintf(stderr,"Unexpected N25Q size ID 0x%02x\n", buf[2]);
return -1;
}
break;
default:
fprintf(stderr,"M25P: Unexpected RDID upper Device ID 0x%02x\n", fbuf[1]);
return -1;
}
}
pgsize = 256;
if (fbuf[3] == 0x10)
{
for (i= 4; i<20 ; i++)
j+=fbuf[i];
if (j != 0)
{
fprintf(stderr,"CFI: ");
for (i= 5; i<21 ; i++)
fprintf(stderr,"%02x", fbuf[i]);
fprintf(stderr, " \n");
}
}
return 1;
}
int ProgAlgSPIFlash::spi_flashinfo_issi(unsigned char *buf)
{
byte fbuf[21]= {READ_IDENTIFICATION};
int mb;
spi_xfer_user1(NULL,0,0,fbuf,20,1);
spi_xfer_user1(fbuf, 20, 1, NULL,0, 0);
fbuf[0] = bitRevTable[fbuf[0]];
fbuf[1] = bitRevTable[fbuf[1]];
fbuf[2] = bitRevTable[fbuf[2]];
sector_size = 4096;
pgsize = 256;
sector_erase_cmd = 0x20;
switch (fbuf[1])
{
case 0x40:
switch (fbuf[2])
{
case 0x14: // 8Mb
mb = 8;
break;
case 0x15: // 16Mb
mb = 16;
break;
case 0x16: // 32Mb
mb = 32;
break;
default:
fprintf(stderr,"Unexpected IS25LQ ID 0x%02x\n", buf[2]);
return -1;
}
fprintf(stderr, "Found ISSI IS25LQ%03d Device (ID 0x%02x%02x)\n",
mb, fbuf[1], fbuf[2]);
pages = mb * 1024 * 1024 / 8 / pgsize;
break;
default:
fprintf(stderr,"ISSI: Unexpected RDID upper Device ID 0x%02x\n", fbuf[1]);
return -1;
}
return 1;
}
int ProgAlgSPIFlash::spi_flashinfo(void)
{
byte fbuf[8]={READ_IDENTIFICATION, 0, 0, 0, 0, 0, 0, 0};
int res;
// send JEDEC info
spi_xfer_user1(NULL,0,0,fbuf,4,1);
/* FIXME: for some reason on the FT2232test board
with XC3S200 and AT45DB321 the commands need to be repeated*/
spi_xfer_user1(NULL,0,0,fbuf,4,1);
// read result
spi_xfer_user1(fbuf,4,1,NULL, 0, 0);
fbuf[0] = bitRevTable[fbuf[0]];
fbuf[1] = bitRevTable[fbuf[1]];
fbuf[2] = bitRevTable[fbuf[2]];
fbuf[3] = bitRevTable[fbuf[3]];
fprintf(stderr, "JEDEC: %02x %02x 0x%02x 0x%02x\n",
fbuf[0],fbuf[1], fbuf[2], fbuf[3]);
manf_id = fbuf[0];
prod_id = fbuf[1]<<8 | fbuf[2];
switch (fbuf[0])
{
case 0x1f: {
switch (fbuf[1]>> 5) /* Family code*/ {
case 1:
res = spi_flashinfo_at45(fbuf);
break;
case 2:
fprintf(stderr, "Unhandled AT25 device\n");
return -1;
default:
fprintf(stderr, "Unhandled Adesto device\n");
return -1;
}
break;
}
case 0x30:
res = spi_flashinfo_amic(fbuf);
break;
case 0x40:
res = spi_flashinfo_amic_quad(fbuf);
break;
case 0x20:
res = spi_flashinfo_m25p_mx25l(fbuf, 0);
break;
case 0xc2:
res = spi_flashinfo_m25p_mx25l(fbuf, 1);
break;
case 0x89:
res = spi_flashinfo_s33(fbuf);
break;
case 0xef:
res = spi_flashinfo_w25(fbuf);
break;
case 0x9d:
res = spi_flashinfo_issi(fbuf);
break;
case 0xbf:
res = spi_flashinfo_sst(fbuf);
break;
default:
fprintf(stderr, "unknown JEDEC manufacturer: %02x\n",fbuf[0]);
return -1;
}
if (res == 1)
{
fprintf(stderr, "%d bytes/page, %d pages = %d bytes total \n",
pgsize, pages, pgsize * pages);
buf = new byte[pgsize+16];
}
if (!buf)
return -1;
return res;
}
void ProgAlgSPIFlash::test(int test_count)
{
int i;
fprintf(stderr, "Running %d times\n", test_count);
for(i=0; i<test_count; i++)
{
byte fbuf[4]= {READ_IDENTIFICATION, 0, 0, 0};
// send JEDEC info
spi_xfer_user1(NULL,0,0,fbuf,4,1);
// read result
spi_xfer_user1(fbuf,4,1,NULL, 0, 0);
fflush(stderr);
if(i%1000 == 999)
{
fprintf(stderr, ".");
fflush(stderr);
}
}
}
int ProgAlgSPIFlash::spi_xfer_user1
(uint8_t *last_miso, int miso_len,int miso_skip, uint8_t *mosi,
int mosi_len, int preamble)
{
int cnt, rc, maxlen = miso_len+miso_skip;
if(mosi) {
if(mosi_len + preamble + 4 + 2 > maxlen)
maxlen = mosi_len + preamble + 4 + 2;
// SPI magic
mosi_buf[0]=0x59;
mosi_buf[1]=0xa6;
mosi_buf[2]=0x59;
mosi_buf[3]=0xa6;
// SPI len (bits)
mosi_buf[4]=((mosi_len + preamble)*8)>>8;
mosi_buf[5]=((mosi_len + preamble)*8)&0xff;
// bit-reverse header
for(cnt=0;cnt<6;cnt++)
mosi_buf[cnt]=bitRevTable[mosi_buf[cnt]];
// bit-reverse preamble
for(cnt=6;cnt<6+preamble;cnt++)
mosi_buf[cnt]=bitRevTable[mosi[cnt-6]];
memcpy(mosi_buf+6+preamble, mosi+preamble, mosi_len);
}
rc=xc_user((mosi)?mosi_buf:NULL,(last_miso)?miso_buf:NULL, maxlen*8);
if(last_miso && miso_len)
{
memcpy(last_miso, miso_buf+miso_skip, miso_len);
}
if(fp_dbg)
{
if (mosi && (preamble || mosi_len))
{
int i;
fprintf(fp_dbg,"In ");
for (i=0; i< preamble; i++)
fprintf(fp_dbg," %02x", mosi[i]);
if ( mosi_len)
{
fprintf(fp_dbg,":");
for (i=preamble; i<(preamble +mosi_len) && i< 32; i++)
fprintf(fp_dbg," %02x", mosi[i]);
if((preamble +mosi_len)> 32)
fprintf(fp_dbg,"...");
}
fprintf(fp_dbg,"\n");
}
if(last_miso && miso_len)
{
int i;
fprintf(fp_dbg,"OUT:");
if ( miso_len)
{
for (i=0; i<miso_len && i<32; i++)
fprintf(fp_dbg," %02x", last_miso[i]);
if (miso_len > 32)
fprintf(fp_dbg,"...");
}
fprintf(fp_dbg,"\n");
}
}
return rc;
}
int ProgAlgSPIFlash::xc_user(byte *in, byte *out, int len)
{
jtag->shiftIR(&USER1);
jtag->shiftDR(in, out, len);
return 0;
}
void page2padd(byte *buf, int page, int pgsize)
{
if (buf == NULL)
return;
// see UG333 page 19
if(pgsize>512)
page<<=2;
else if (pgsize > 256)
page<<=1;
buf[1] = page >> 8;
buf[2] = page & 0xff;
buf[3] = 0;
}
/* read full pages
* Writing of bitfile will delete trailing 0xff's
*/
int ProgAlgSPIFlash::read(BitFile &rfile)
{
unsigned int offset, len , data_end, i, rc=0;
unsigned int rlen;
int l;
byte buf[4]= {PAGE_READ, 0, 0, 0};
offset = (rfile.getOffset()/pgsize) * pgsize;
if (offset > pages * pgsize)
{
fprintf(stderr,"Offset greater than PROM\n");
return -1;
}
if (rfile.getRLength() != 0)
{
data_end = offset + rfile.getRLength();
len = rfile.getRLength();
}
else
{
data_end = pages * pgsize;
len = data_end - offset;
}
if (len > pages * pgsize)
{
fprintf(stderr,"Read outside PROM arearequested, clipping\n");
data_end = pages* pgsize;
}
rfile.setLength(len * 8);
l = -pgsize;
for(i = offset; i < data_end+pgsize; i+= pgsize)
{
if (i < data_end) /* Read last page */
rlen = ((data_end - i) > pgsize)? pgsize: data_end - i;
if(jtag->getVerbose())
{
fprintf(stderr, "\rReading page %6d/%6d at flash page %6d",
(l+ 2*pgsize -1)/pgsize , (len+pgsize -1)/pgsize,
(i+pgsize -1)/pgsize);
fflush(stderr);
}
page2padd(buf, i/pgsize, pgsize);
if (l < 0) /* don't write when sending first page*/
spi_xfer_user1(NULL, 0, 0, buf, rlen, 4);
else if (i >= data_end)
spi_xfer_user1(rfile.getData()+l, rlen, 4, NULL, 0, 0);
else
spi_xfer_user1(rfile.getData()+l, pgsize, 4, buf, rlen, 4);
l+= pgsize;
}
fprintf(stderr, "\n");
return rc;
}
/* return 0 on success, anything else on failure */
int ProgAlgSPIFlash::verify(BitFile &vfile)
{
unsigned int i, offset, data_end, res, k=0;
unsigned int rlen;
int l, len = vfile.getLength()/8;
byte *data = new byte[pgsize];
byte buf[4] = {PAGE_READ, 0,0,0};
if (data == 0 || len == 0)
{
fprintf(stderr,"Program start outside PROM area, aborting\n");
return -1;
}
offset = (vfile.getOffset()/pgsize)*pgsize;
if (offset > pages* pgsize)
{
fprintf(stderr,"Verify start outside PROM area, aborting\n");
k = 1;
goto v_cleanup;
}
if (vfile.getRLength() != 0 && (vfile.getRLength() < vfile.getLength()/8))
{
data_end = offset + vfile.getRLength();
len = vfile.getRLength();
}
else
{
data_end = offset + vfile.getLength()/8;
len = vfile.getLength()/8;
}
if( data_end > pages * pgsize)
{
fprintf(stderr,"Verify outside PROM areas requested, clipping\n");
data_end = pages * pgsize;
len = data_end - offset;
}
l = -pgsize;
for(i = offset; i < data_end+pgsize; i+= pgsize)
{
if (i < data_end) /* Read last page */
rlen = ((data_end - i) > pgsize)? pgsize: data_end - i;
page2padd(buf, i/pgsize, pgsize);
// get: flash_page n-1, send: read flashpage n
res=spi_xfer_user1(data, pgsize, 4, buf, rlen, 4);
if (l >= 0) /* don't compare when sending first page*/
{
if(jtag->getVerbose())
{
fprintf(stderr, "\rVerifying page %6d/%6d at flash page %6d",
(i - offset +pgsize-1)/pgsize, (len +pgsize -1)/pgsize,
(i + pgsize -1)/pgsize );
fflush(stderr);
}
res=memcmp(data, vfile.getData()+ l, rlen);
if (res)
{
unsigned int j;
fprintf(stderr, "\nVerify failed at flash_page %6d\nread:", i/pgsize + 1);
k++;
for(j =0; j<pgsize; j++)
fprintf(stderr, "%02x", data[j]);
fprintf(stderr, "\nfile:");
for(j =0; j<pgsize; j++)
fprintf(stderr, "%02x", vfile.getData()[l+j]);
fprintf(stderr, "\n");
if(k>5)
{
goto v_cleanup;
}
}
}
l+= pgsize;
}
if(jtag->getVerbose())
fprintf(stderr, "\n");
if (k)
{
fprintf(stderr, "Verify: Failure!\n");
}
else
fprintf(stderr, "Verify: Success!\n");
v_cleanup:
delete[] data;
return k;
}
#define deltaT(tvp1, tvp2) (((tvp2)->tv_sec-(tvp1)->tv_sec)*1000000 + \
(tvp2)->tv_usec - (tvp1)->tv_usec)
/* Wait at maximum "limit" Milliseconds and report a '.' every "report"
* Milliseconds and report used time as "delta" by issuing a
* READ_STATUS_REGISTER command every Millisecond while waiting for
* WRITE_BUSY to deassert
* retval = 0 : All fine
* else Error
*/
int ProgAlgSPIFlash::wait(byte command, int report, int limit, double *delta)
{
int j = 0;
int done = 0;
byte fbuf[4];
byte rbuf[1];
struct timeval tv[2];
fbuf[0] = command;
spi_xfer_user1(NULL,0,0,fbuf, 1, 1);
gettimeofday(tv, NULL);
/* wait for command complete */
do
{
jtag->Usleep(1000);
spi_xfer_user1(rbuf,1,1,fbuf, 1, 1);
j++;
if ((jtag->getVerbose()) &&((j%report) == (report -1)))
{
/* one tick every report mS wait time */
fprintf(stderr,".");
fflush(stderr);
}
if (command == AT45_READ_STATUS)
done = (rbuf[0] & AT45_READY)?1:0;
else
done = (rbuf[0] & WRITE_BUSY)?0:1;
}
while (!done && (j < limit));
gettimeofday(tv+1, NULL);
*delta = deltaT(tv, tv + 1);
return (j<limit)?0:1;
}
int ProgAlgSPIFlash::wait(byte command, byte mask, byte value, int report, int limit, double *delta)
{
int j = 0;
int done = 0;
byte fbuf[4];
byte rbuf[1];
struct timeval tv[2];
fbuf[0] = command;
spi_xfer_user1(NULL,0,0,fbuf, 1, 1);
gettimeofday(tv, NULL);
/* wait for command complete */
do
{
jtag->Usleep(1000);
spi_xfer_user1(rbuf,1,1,fbuf, 1, 1);
j++;
if ((jtag->getVerbose()) &&((j%report) == (report -1)))
{
/* one tick every report mS wait time */
fprintf(stderr,".");
fflush(stderr);
}
done = (rbuf[0] & mask)==mask;
}
while (!done && (j < limit));
gettimeofday(tv+1, NULL);
*delta = deltaT(tv, tv + 1);
return (j<limit)?0:1;
}
int ProgAlgSPIFlash::sectorerase_and_program(BitFile &pfile)
{
unsigned int i, offset, data_end, data_page = 0;
byte fbuf[4];
unsigned int sector_nr = 0;
int j;
int len = pfile.getLength()/8;
double max_sector_erase = 0.0;
double max_page_program = 0.0;
double delta;
if (len == 0)
{
fprintf(stderr,"Sourcefile empty, aborting\n");
return -1;
}
offset = (pfile.getOffset()/pgsize)*pgsize;
if (offset > pages *pgsize)
{
fprintf(stderr,"Program start outside PROM area, aborting\n");
return -1;
}
if (pfile.getRLength() != 0)
{
data_end = offset + pfile.getRLength();
len = pfile.getRLength();
}
else
{
data_end = offset + pfile.getLength()/8;
len = pfile.getLength()/8;
}
if( data_end > pages * pgsize)
{