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added support for SPANSION flash

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This commit is contained in:
Ralph Metzler
2015-08-31 20:43:20 +02:00
parent 4c7e7afc84
commit f2b6dbabd7
1 changed files with 159 additions and 11 deletions
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170
apps/octonet/ddflash.c
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@@ -61,6 +61,7 @@ struct ddflash {
uint32_t type;
uint32_t version;
uint32_t flash_type;
uint32_t sector_size;
uint32_t size;
@@ -88,6 +89,8 @@ enum {
ATMEL_AT45DB642D = 1,
SSTI_SST25VF016B = 2,
SSTI_SST25VF032B = 3,
SSTI_SST25VF064C = 4,
SPANSION_S25FL116K = 5,
};
static int flashread(int ddb, uint8_t *buf, uint32_t addr, uint32_t len)
@@ -131,6 +134,128 @@ void dump(const uint8_t *b, int l)
}
}
int flashwrite_pagemode(struct ddflash *ddf, int dev, uint32_t FlashOffset,
uint8_t LockBits, uint32_t fw_off)
{
int err = 0;
uint8_t cmd[260];
int i, j;
uint32_t flen, blen;
blen = flen = lseek(dev, 0, SEEK_END) - fw_off;
if (blen % 0xff)
blen = (blen + 0xff) & 0xffffff00;
printf("blen = %u, flen = %u\n", blen, flen);
do {
cmd[0] = 0x50; // EWSR
err = flashio(ddf->fd, cmd, 1, NULL, 0);
if (err < 0)
break;
cmd[0] = 0x01; // WRSR
cmd[1] = 0x00; // BPx = 0, Unlock all blocks
err = flashio(ddf->fd, cmd, 2, NULL, 0);
if (err < 0)
break;
for (i = 0; i < flen; i += 4096) {
if ((i & 0xFFFF) == 0)
printf(" Erase %08x\n", FlashOffset + i);
cmd[0] = 0x06; // WREN
err = flashio(ddf->fd, cmd, 1, NULL, 0);
if (err < 0)
break;
cmd[0] = 0x20; // Sector erase ( 4Kb)
cmd[1] = ( (( FlashOffset + i ) >> 16) & 0xFF );
cmd[2] = ( (( FlashOffset + i ) >> 8) & 0xFF );
cmd[3] = 0x00;
err = flashio(ddf->fd, cmd, 4, NULL, 0);
if (err < 0)
break;
while (1) {
cmd[0] = 0x05; // RDRS
err = flashio(ddf->fd, cmd, 1, &cmd[0], 1);
if (err < 0)
break;
if ((cmd[0] & 0x01) == 0)
break;
}
if (err < 0)
break;
}
if (err < 0)
break;
for (j = blen - 256; j >= 0; j -= 256 ) {
uint32_t len = 256;
ssize_t rlen;
if (lseek(dev, j + fw_off, SEEK_SET) < 0) {
printf("seek error\n");
return -1;
}
if (flen - j < 256) {
len = flen - j;
memset(ddf->buffer, 0xff, 256);
}
rlen = read(dev, ddf->buffer, len);
if (rlen < 0 || rlen != len) {
printf("file read error %d,%d at %u\n", rlen, errno, j);
return -1;
}
printf ("write %u bytes at %08x\n", len, j);
if ((j & 0xFFFF) == 0)
printf(" Programm %08x\n", FlashOffset + j);
cmd[0] = 0x06; // WREN
err = flashio(ddf->fd, cmd, 1, NULL, 0);
if (err < 0)
break;
cmd[0] = 0x02; // PP
cmd[1] = ( (( FlashOffset + j ) >> 16) & 0xFF );
cmd[2] = ( (( FlashOffset + j ) >> 8) & 0xFF );
cmd[3] = 0x00;
memcpy(&cmd[4], ddf->buffer, 256);
err = flashio(ddf->fd, cmd, 260, NULL, 0);
if (err < 0)
break;
while(1) {
cmd[0] = 0x05; // RDRS
err = flashio(ddf->fd, cmd,1, &cmd[0], 1);
if (err < 0)
break;
if ((cmd[0] & 0x01) == 0)
break;
}
if (err < 0)
break;
}
if (err < 0)
break;
cmd[0] = 0x50; // EWSR
err = flashio(ddf->fd, cmd, 1, NULL, 0);
if (err < 0)
break;
cmd[0] = 0x01; // WRSR
cmd[1] = LockBits; // BPx = 0, Lock all blocks
err = flashio(ddf->fd, cmd, 2, NULL, 0);
} while(0);
return err;
}
static int flashwrite_SSTI(struct ddflash *ddf, int fs, uint32_t FlashOffset, uint32_t maxlen, uint32_t fw_off)
{
int err = 0;
@@ -261,7 +386,16 @@ static int flashwrite_SSTI(struct ddflash *ddf, int fs, uint32_t FlashOffset, ui
static int flashwrite(struct ddflash *ddf, int fs, uint32_t addr, uint32_t maxlen, uint32_t fw_off)
{
flashwrite_SSTI(ddf, fs, addr, maxlen, fw_off);
switch (ddf->flash_type) {
case SSTI_SST25VF016B:
case SSTI_SST25VF032B:
return flashwrite_SSTI(ddf, fs, addr, maxlen, fw_off);
case SSTI_SST25VF064C:
return flashwrite_pagemode(ddf, fs, addr, 0x3c, fw_off);
case SPANSION_S25FL116K:
return flashwrite_pagemode(ddf, fs, addr, 0x1c, fw_off);
}
return -1;
}
static int flashcmp(struct ddflash *ddf, int fs, uint32_t addr, uint32_t maxlen, uint32_t fw_off)
@@ -314,29 +448,41 @@ static int flash_detect(struct ddflash *ddf)
return r;
if (id[0] == 0xBF && id[1] == 0x25 && id[2] == 0x41) {
r = SSTI_SST25VF016B;
//printf("Flash: SSTI SST25VF016B 16 MBit\n");
ddf->flash_type = SSTI_SST25VF016B;
printf("Flash: SSTI SST25VF016B 16 MBit\n");
ddf->sector_size = 4096;
ddf->size = 0x200000;
} else if (id[0] == 0xBF && id[1] == 0x25 && id[2] == 0x4A) {
r = SSTI_SST25VF032B;
//printf("Flash: SSTI SST25VF032B 32 MBit\n");
ddf->flash_type = SSTI_SST25VF032B;
printf("Flash: SSTI SST25VF032B 32 MBit\n");
ddf->sector_size = 4096;
ddf->size = 0x400000;
} else if (id[0] == 0xBF && id[1] == 0x25 && id[2] == 0x4B) {
ddf->flash_type = SSTI_SST25VF064C;
printf("Flash: SSTI SST25VF064C 64 MBit\n");
ddf->sector_size = 4096;
ddf->size = 0x800000;
} else if (id[0] == 0x01 && id[1] == 0x40 && id[2] == 0x15) {
ddf->flash_type = SPANSION_S25FL116K;
printf("Flash: SPANSION S25FL116K 16 MBit\n");
ddf->sector_size = 4096;
ddf->size = 0x200000;
} else if (id[0] == 0x1F && id[1] == 0x28) {
r = ATMEL_AT45DB642D;
//printf("Flash: Atmel AT45DB642D 64 MBit\n");
ddf->flash_type = ATMEL_AT45DB642D;
printf("Flash: Atmel AT45DB642D 64 MBit\n");
ddf->sector_size = 1024;
ddf->size = 0x800000;
} else {
r = UNKNOWN_FLASH;
//printf("Unknown Flash Flash ID = %02x %02x %02x\n", id[0], id[1], id[2]);
printf("Unknown Flash Flash ID = %02x %02x %02x\n", id[0], id[1], id[2]);
return -1;
}
if (ddf->sector_size) {
ddf->buffer = malloc(ddf->sector_size);
//printf("allocated buffer %08x@%08x\n", ddf->sector_size, (uint32_t) ddf->buffer);
printf("allocated buffer %08x@%08x\n", ddf->sector_size, (uint32_t) ddf->buffer);
if (!ddf->buffer)
return -1;
}
return r;
return 0;
}
@@ -777,6 +923,8 @@ int main(int argc, char **argv)
}
}
flash = flash_detect(&ddf);
if (flash < 0)
return -1;
get_id(&ddf);
res = update_flash(&ddf);