/* configured NAND devices and NAND Flash command handler */
static struct nand_device *nand_devices = NULL;
-static command_t *nand_cmd;
+static struct command *nand_cmd;
/* Chip ID list
*
return ERROR_OK;
}
-COMMAND_HANDLER(handle_nand_write_command)
-{
- uint32_t offset;
- uint32_t binary_size;
- uint32_t buf_cnt;
- enum oob_formats oob_format = NAND_OOB_NONE;
-
- struct fileio fileio;
-
-
- if (argc < 3)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
+struct nand_fileio_state {
+ uint32_t address;
+ uint32_t size;
- struct nand_device *p;
- int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p);
- if (ERROR_OK != retval)
- return retval;
+ uint8_t *page;
+ uint32_t page_size;
- uint8_t *page = NULL;
- uint32_t page_size = 0;
- uint8_t *oob = NULL;
- uint32_t oob_size = 0;
- const int *eccpos = NULL;
+ enum oob_formats oob_format;
+ uint8_t *oob;
+ uint32_t oob_size;
- COMMAND_PARSE_NUMBER(u32, args[2], offset);
+ const int *eccpos;
- if (argc > 3)
- {
- for (unsigned i = 3; i < argc; i++)
- {
- if (!strcmp(args[i], "oob_raw"))
- oob_format |= NAND_OOB_RAW;
- else if (!strcmp(args[i], "oob_only"))
- oob_format |= NAND_OOB_RAW | NAND_OOB_ONLY;
- else if (!strcmp(args[i], "oob_softecc"))
- oob_format |= NAND_OOB_SW_ECC;
- else if (!strcmp(args[i], "oob_softecc_kw"))
- oob_format |= NAND_OOB_SW_ECC_KW;
- else
- {
- command_print(cmd_ctx, "unknown option: %s", args[i]);
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
- }
- }
+ bool file_opened;
+ struct fileio fileio;
struct duration bench;
- duration_start(&bench);
-
- if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
- {
- return ERROR_OK;
- }
+};
- buf_cnt = binary_size = fileio.size;
+static void nand_fileio_init(struct nand_fileio_state *state)
+{
+ memset(state, 0, sizeof(*state));
+ state->oob_format = NAND_OOB_NONE;
+}
- if (!(oob_format & NAND_OOB_ONLY))
+static int nand_fileio_start(struct command_context *cmd_ctx,
+ struct nand_device *nand, const char *filename, int filemode,
+ struct nand_fileio_state *state)
+{
+ if (state->address % nand->page_size)
{
- page_size = p->page_size;
- page = malloc(p->page_size);
+ command_print(cmd_ctx, "only page-aligned addresses are supported");
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
- if (oob_format & (NAND_OOB_RAW | NAND_OOB_SW_ECC | NAND_OOB_SW_ECC_KW))
+ duration_start(&state->bench);
+
+ if (NULL != filename)
{
- if (p->page_size == 512) {
- oob_size = 16;
- eccpos = nand_oob_16.eccpos;
- } else if (p->page_size == 2048) {
- oob_size = 64;
- eccpos = nand_oob_64.eccpos;
+ int retval = fileio_open(&state->fileio, filename, filemode, FILEIO_BINARY);
+ if (ERROR_OK != retval)
+ {
+ const char *msg = (FILEIO_READ == filemode) ? "read" : "write";
+ command_print(cmd_ctx, "failed to open '%s' for %s access",
+ filename, msg);
+ return retval;
}
- oob = malloc(oob_size);
+ state->file_opened = true;
}
- if (offset % p->page_size)
+ if (!(state->oob_format & NAND_OOB_ONLY))
{
- command_print(cmd_ctx, "only page size aligned offsets and sizes are supported");
- fileio_close(&fileio);
- free(oob);
- free(page);
- return ERROR_OK;
+ state->page_size = nand->page_size;
+ state->page = malloc(nand->page_size);
}
- while (buf_cnt > 0)
+ if (state->oob_format & (NAND_OOB_RAW | NAND_OOB_SW_ECC | NAND_OOB_SW_ECC_KW))
{
- uint32_t size_read;
-
- if (NULL != page)
+ if (nand->page_size == 512)
{
- fileio_read(&fileio, page_size, page, &size_read);
- buf_cnt -= size_read;
- if (size_read < page_size)
- {
- memset(page + size_read, 0xff, page_size - size_read);
- }
+ state->oob_size = 16;
+ state->eccpos = nand_oob_16.eccpos;
}
-
- if (oob_format & NAND_OOB_SW_ECC)
- {
- uint32_t i, j;
- uint8_t ecc[3];
- memset(oob, 0xff, oob_size);
- for (i = 0, j = 0; i < page_size; i += 256) {
- nand_calculate_ecc(p, page + i, ecc);
- oob[eccpos[j++]] = ecc[0];
- oob[eccpos[j++]] = ecc[1];
- oob[eccpos[j++]] = ecc[2];
- }
- } else if (oob_format & NAND_OOB_SW_ECC_KW)
- {
- /*
- * In this case eccpos is not used as
- * the ECC data is always stored contigously
- * at the end of the OOB area. It consists
- * of 10 bytes per 512-byte data block.
- */
- uint32_t i;
- uint8_t *ecc = oob + oob_size - page_size/512 * 10;
- memset(oob, 0xff, oob_size);
- for (i = 0; i < page_size; i += 512) {
- nand_calculate_ecc_kw(p, page + i, ecc);
- ecc += 10;
- }
- }
- else if (NULL != oob)
+ else if (nand->page_size == 2048)
{
- fileio_read(&fileio, oob_size, oob, &size_read);
- buf_cnt -= size_read;
- if (size_read < oob_size)
- {
- memset(oob + size_read, 0xff, oob_size - size_read);
- }
+ state->oob_size = 64;
+ state->eccpos = nand_oob_64.eccpos;
}
+ state->oob = malloc(state->oob_size);
+ }
- if (nand_write_page(p, offset / p->page_size, page, page_size, oob, oob_size) != ERROR_OK)
- {
- command_print(cmd_ctx, "failed writing file %s to NAND flash %s at offset 0x%8.8" PRIx32 "",
- args[1], args[0], offset);
-
- fileio_close(&fileio);
- free(oob);
- free(page);
+ return ERROR_OK;
+}
+static int nand_fileio_cleanup(struct nand_fileio_state *state)
+{
+ if (state->file_opened)
+ fileio_close(&state->fileio);
- return ERROR_OK;
- }
- offset += page_size;
+ if (state->oob)
+ {
+ free(state->oob);
+ state->oob = NULL;
}
-
- fileio_close(&fileio);
- free(oob);
- free(page);
- oob = NULL;
- page = NULL;
- if (duration_measure(&bench) == ERROR_OK)
+ if (state->page)
{
- command_print(cmd_ctx, "wrote file %s to NAND flash %s "
- "up to offset 0x%8.8" PRIx32 " in %fs (%0.3f kb/s)",
- args[1], args[0], offset, duration_elapsed(&bench),
- duration_kbps(&bench, fileio.size));
+ free(state->page);
+ state->page = NULL;
}
-
return ERROR_OK;
}
+static int nand_fileio_finish(struct nand_fileio_state *state)
+{
+ nand_fileio_cleanup(state);
+ return duration_measure(&state->bench);
+}
-COMMAND_HANDLER(handle_nand_dump_command)
+static COMMAND_HELPER(nand_fileio_parse_args, struct nand_fileio_state *state,
+ struct nand_device **dev, enum fileio_access filemode,
+ bool need_size, bool sw_ecc)
{
- if (argc < 4)
- {
+ nand_fileio_init(state);
+
+ unsigned minargs = need_size ? 4 : 3;
+ if (argc < minargs)
return ERROR_COMMAND_SYNTAX_ERROR;
- }
- struct nand_device *p;
- int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p);
+ struct nand_device *nand;
+ int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &nand);
if (ERROR_OK != retval)
return retval;
- if (NULL == p->device)
+ if (NULL == nand->device)
{
command_print(cmd_ctx, "#%s: not probed", args[0]);
return ERROR_OK;
}
- struct fileio fileio;
-
- uint8_t *page = NULL;
- uint32_t page_size = 0;
- uint8_t *oob = NULL;
- uint32_t oob_size = 0;
- uint32_t address;
- COMMAND_PARSE_NUMBER(u32, args[2], address);
- uint32_t size;
- COMMAND_PARSE_NUMBER(u32, args[3], size);
- uint32_t bytes_done = 0;
- enum oob_formats oob_format = NAND_OOB_NONE;
+ COMMAND_PARSE_NUMBER(u32, args[2], state->address);
+ if (need_size)
+ {
+ COMMAND_PARSE_NUMBER(u32, args[2], state->size);
+ if (state->size % nand->page_size)
+ {
+ command_print(cmd_ctx, "only page-aligned sizes are supported");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ }
- if (argc > 4)
+ if (argc > minargs)
{
- for (unsigned i = 4; i < argc; i++)
+ for (unsigned i = minargs; i < argc; i++)
{
if (!strcmp(args[i], "oob_raw"))
- oob_format |= NAND_OOB_RAW;
+ state->oob_format |= NAND_OOB_RAW;
else if (!strcmp(args[i], "oob_only"))
- oob_format |= NAND_OOB_RAW | NAND_OOB_ONLY;
+ state->oob_format |= NAND_OOB_RAW | NAND_OOB_ONLY;
+ else if (sw_ecc && !strcmp(args[i], "oob_softecc"))
+ state->oob_format |= NAND_OOB_SW_ECC;
+ else if (sw_ecc && !strcmp(args[i], "oob_softecc_kw"))
+ state->oob_format |= NAND_OOB_SW_ECC_KW;
else
- command_print(cmd_ctx, "unknown option: '%s'", args[i]);
+ {
+ command_print(cmd_ctx, "unknown option: %s", args[i]);
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
}
}
- if ((address % p->page_size) || (size % p->page_size))
+ retval = nand_fileio_start(cmd_ctx, nand, args[1], filemode, state);
+ if (ERROR_OK != retval)
+ return retval;
+
+ if (!need_size)
+ state->size = state->fileio.size;
+
+ *dev = nand;
+
+ return ERROR_OK;
+}
+
+/**
+ * @returns If no error occurred, returns number of bytes consumed;
+ * otherwise, returns a negative error code.)
+ */
+static int nand_fileio_read(struct nand_device *nand,
+ struct nand_fileio_state *s)
+{
+ uint32_t total_read = 0;
+ uint32_t one_read;
+
+ if (NULL != s->page)
{
- command_print(cmd_ctx, "only page size aligned addresses and sizes are supported");
- return ERROR_OK;
+ fileio_read(&s->fileio, s->page_size, s->page, &one_read);
+ if (one_read < s->page_size)
+ memset(s->page + one_read, 0xff, s->page_size - one_read);
+ total_read += one_read;
}
- if (!(oob_format & NAND_OOB_ONLY))
+ if (s->oob_format & NAND_OOB_SW_ECC)
{
- page_size = p->page_size;
- page = malloc(p->page_size);
+ uint8_t ecc[3];
+ memset(s->oob, 0xff, s->oob_size);
+ for (uint32_t i = 0, j = 0; i < s->page_size; i += 256)
+ {
+ nand_calculate_ecc(nand, s->page + i, ecc);
+ s->oob[s->eccpos[j++]] = ecc[0];
+ s->oob[s->eccpos[j++]] = ecc[1];
+ s->oob[s->eccpos[j++]] = ecc[2];
+ }
}
-
- if (oob_format & NAND_OOB_RAW)
+ else if (s->oob_format & NAND_OOB_SW_ECC_KW)
{
- if (p->page_size == 512)
- oob_size = 16;
- else if (p->page_size == 2048)
- oob_size = 64;
- oob = malloc(oob_size);
+ /*
+ * In this case eccpos is not used as
+ * the ECC data is always stored contigously
+ * at the end of the OOB area. It consists
+ * of 10 bytes per 512-byte data block.
+ */
+ uint8_t *ecc = s->oob + s->oob_size - s->page_size / 512 * 10;
+ memset(s->oob, 0xff, s->oob_size);
+ for (uint32_t i = 0; i < s->page_size; i += 512)
+ {
+ nand_calculate_ecc_kw(nand, s->page + i, ecc);
+ ecc += 10;
+ }
}
-
- if (fileio_open(&fileio, args[1], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
+ else if (NULL != s->oob)
{
- return ERROR_OK;
+ fileio_read(&s->fileio, s->oob_size, s->oob, &one_read);
+ if (one_read < s->oob_size)
+ memset(s->oob + one_read, 0xff, s->oob_size - one_read);
+ total_read += one_read;
}
+ return total_read;
+}
- struct duration bench;
- duration_start(&bench);
+COMMAND_HANDLER(handle_nand_write_command)
+{
+ struct nand_device *nand = NULL;
+ struct nand_fileio_state s;
+ int retval = CALL_COMMAND_HANDLER(nand_fileio_parse_args,
+ &s, &nand, FILEIO_READ, false, true);
+ if (ERROR_OK != retval)
+ return retval;
- while (size > 0)
+ uint32_t total_bytes = s.size;
+ while (s.size > 0)
{
- uint32_t size_written;
- if ((retval = nand_read_page(p, address / p->page_size, page, page_size, oob, oob_size)) != ERROR_OK)
+ int bytes_read = nand_fileio_read(nand, &s);
+ if (bytes_read <= 0)
{
- command_print(cmd_ctx, "reading NAND flash page failed");
- free(page);
- free(oob);
- fileio_close(&fileio);
- return ERROR_OK;
+ command_print(cmd_ctx, "error while reading file");
+ return nand_fileio_cleanup(&s);
}
+ s.size -= bytes_read;
- if (NULL != page)
+ retval = nand_write_page(nand, s.address / nand->page_size,
+ s.page, s.page_size, s.oob, s.oob_size);
+ if (ERROR_OK != retval)
{
- fileio_write(&fileio, page_size, page, &size_written);
- bytes_done += page_size;
+ command_print(cmd_ctx, "failed writing file %s "
+ "to NAND flash %s at offset 0x%8.8" PRIx32,
+ args[1], args[0], s.address);
+ return nand_fileio_cleanup(&s);
}
+ s.address += s.page_size;
+ }
- if (NULL != oob)
+ if (nand_fileio_finish(&s))
+ {
+ command_print(cmd_ctx, "wrote file %s to NAND flash %s up to "
+ "offset 0x%8.8" PRIx32 " in %fs (%0.3f kb/s)",
+ args[1], args[0], s.address, duration_elapsed(&s.bench),
+ duration_kbps(&s.bench, total_bytes));
+ }
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(handle_nand_dump_command)
+{
+ struct nand_device *nand = NULL;
+ struct nand_fileio_state s;
+ int retval = CALL_COMMAND_HANDLER(nand_fileio_parse_args,
+ &s, &nand, FILEIO_WRITE, true, false);
+ if (ERROR_OK != retval)
+ return retval;
+
+ while (s.size > 0)
+ {
+ uint32_t size_written;
+ int retval = nand_read_page(nand, s.address / nand->page_size,
+ s.page, s.page_size, s.oob, s.oob_size);
+ if (ERROR_OK != retval)
{
- fileio_write(&fileio, oob_size, oob, &size_written);
- bytes_done += oob_size;
+ command_print(cmd_ctx, "reading NAND flash page failed");
+ return nand_fileio_cleanup(&s);
}
- size -= p->page_size;
- address += p->page_size;
- }
+ if (NULL != s.page)
+ fileio_write(&s.fileio, s.page_size, s.page, &size_written);
- free(page);
- page = NULL;
- free(oob);
- oob = NULL;
- fileio_close(&fileio);
+ if (NULL != s.oob)
+ fileio_write(&s.fileio, s.oob_size, s.oob, &size_written);
- if (duration_measure(&bench) == ERROR_OK)
- {
- command_print(cmd_ctx, "dumped %lld byte in %fs (%0.3f kb/s)",
- fileio.size, duration_elapsed(&bench),
- duration_kbps(&bench, fileio.size));
+ s.size -= nand->page_size;
+ s.address += nand->page_size;
}
+ if (nand_fileio_finish(&s) == ERROR_OK)
+ {
+ command_print(cmd_ctx, "dumped %lld byte in %fs (%0.3f kb/s)",
+ s.fileio.size, duration_elapsed(&s.bench),
+ duration_kbps(&s.bench, s.fileio.size));
+ }
return ERROR_OK;
}
Code Review / openocd.git / blobdiff