#include "time_support.h"
#include "fileio.h"
-static int nand_read_page(struct nand_device_s *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);
-//static int nand_read_plain(struct nand_device_s *nand, uint32_t address, uint8_t *data, uint32_t data_size);
+static int nand_read_page(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);
+//static int nand_read_plain(struct nand_device *nand, uint32_t address, uint8_t *data, uint32_t data_size);
-static int nand_write_page(struct nand_device_s *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);
+static int nand_write_page(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);
/* NAND flash controller
*/
};
/* configured NAND devices and NAND Flash command handler */
-static nand_device_t *nand_devices = NULL;
-static command_t *nand_cmd;
+static struct nand_device *nand_devices = NULL;
+static struct command *nand_cmd;
/* Chip ID list
*
for (i = 0; nand_flash_controllers[i]; i++)
{
- nand_device_t *p, *c;
+ struct nand_device *p, *c;
if (strcmp(args[0], nand_flash_controllers[i]->name) == 0)
{
return retval;
}
- c = malloc(sizeof(nand_device_t));
+ c = malloc(sizeof(struct nand_device));
c->controller = nand_flash_controllers[i];
c->controller_priv = NULL;
return ERROR_OK;
}
-int nand_register_commands(struct command_context_s *cmd_ctx)
+int nand_register_commands(struct command_context *cmd_ctx)
{
nand_cmd = register_command(cmd_ctx, NULL, "nand", NULL, COMMAND_ANY, "NAND specific commands");
return ERROR_OK;
}
-nand_device_t *get_nand_device_by_num(int num)
+struct nand_device *get_nand_device_by_num(int num)
{
- nand_device_t *p;
+ struct nand_device *p;
int i = 0;
for (p = nand_devices; p; p = p->next)
return NULL;
}
-int nand_command_get_device_by_num(struct command_context_s *cmd_ctx,
- const char *str, nand_device_t **nand)
+int nand_command_get_device_by_num(struct command_context *cmd_ctx,
+ const char *str, struct nand_device **nand)
{
unsigned num;
COMMAND_PARSE_NUMBER(uint, str, num);
return ERROR_OK;
}
-static int nand_build_bbt(struct nand_device_s *nand, int first, int last)
+static int nand_build_bbt(struct nand_device *nand, int first, int last)
{
uint32_t page = 0x0;
int i;
return ERROR_OK;
}
-int nand_read_status(struct nand_device_s *nand, uint8_t *status)
+int nand_read_status(struct nand_device *nand, uint8_t *status)
{
if (!nand->device)
return ERROR_NAND_DEVICE_NOT_PROBED;
return ERROR_OK;
}
-static int nand_poll_ready(struct nand_device_s *nand, int timeout)
+static int nand_poll_ready(struct nand_device *nand, int timeout)
{
uint8_t status;
return (status & NAND_STATUS_READY) != 0;
}
-int nand_probe(struct nand_device_s *nand)
+int nand_probe(struct nand_device *nand)
{
uint8_t manufacturer_id, device_id;
uint8_t id_buff[6];
}
nand->num_blocks = (nand->device->chip_size * 1024) / (nand->erase_size / 1024);
- nand->blocks = malloc(sizeof(nand_block_t) * nand->num_blocks);
+ nand->blocks = malloc(sizeof(struct nand_block) * nand->num_blocks);
for (i = 0; i < nand->num_blocks; i++)
{
return ERROR_OK;
}
-static int nand_erase(struct nand_device_s *nand, int first_block, int last_block)
+static int nand_erase(struct nand_device *nand, int first_block, int last_block)
{
int i;
uint32_t page;
}
#if 0
-static int nand_read_plain(struct nand_device_s *nand, uint32_t address, uint8_t *data, uint32_t data_size)
+static int nand_read_plain(struct nand_device *nand, uint32_t address, uint8_t *data, uint32_t data_size)
{
uint8_t *page;
return ERROR_OK;
}
-static int nand_write_plain(struct nand_device_s *nand, uint32_t address, uint8_t *data, uint32_t data_size)
+static int nand_write_plain(struct nand_device *nand, uint32_t address, uint8_t *data, uint32_t data_size)
{
uint8_t *page;
}
#endif
-int nand_write_page(struct nand_device_s *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size)
+int nand_write_page(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size)
{
uint32_t block;
return nand->controller->write_page(nand, page, data, data_size, oob, oob_size);
}
-static int nand_read_page(struct nand_device_s *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size)
+static int nand_read_page(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size)
{
if (!nand->device)
return ERROR_NAND_DEVICE_NOT_PROBED;
return nand->controller->read_page(nand, page, data, data_size, oob, oob_size);
}
-int nand_read_page_raw(struct nand_device_s *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size)
+int nand_read_page_raw(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size)
{
uint32_t i;
return ERROR_OK;
}
-int nand_write_page_raw(struct nand_device_s *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size)
+int nand_write_page_raw(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size)
{
uint32_t i;
int retval;
COMMAND_HANDLER(handle_nand_list_command)
{
- nand_device_t *p;
+ struct nand_device *p;
int i;
if (!nand_devices)
int first = -1;
int last = -1;
- nand_device_t *p;
+ struct nand_device *p;
int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p);
if (ERROR_OK != retval)
return retval;
return ERROR_COMMAND_SYNTAX_ERROR;
}
- nand_device_t *p;
+ struct nand_device *p;
int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p);
if (ERROR_OK != retval)
return retval;
}
- nand_device_t *p;
+ struct nand_device *p;
int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p);
if (ERROR_OK != retval)
return retval;
}
- nand_device_t *p;
+ struct nand_device *p;
int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p);
if (ERROR_OK != retval)
return retval;
return ERROR_OK;
}
+struct nand_fileio_state {
+ uint32_t address;
+ uint32_t size;
+
+ uint8_t *page;
+ uint32_t page_size;
+
+ enum oob_formats oob_format;
+ uint8_t *oob;
+ uint32_t oob_size;
+
+ const int *eccpos;
+
+ bool file_opened;
+ struct fileio fileio;
+
+ struct duration bench;
+};
+
+static void nand_fileio_init(struct nand_fileio_state *state)
+{
+ memset(state, 0, sizeof(*state));
+ state->oob_format = NAND_OOB_NONE;
+}
+
+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)
+ {
+ command_print(cmd_ctx, "only page-aligned addresses are supported");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ duration_start(&state->bench);
+
+ if (NULL != filename)
+ {
+ 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;
+ }
+ state->file_opened = true;
+ }
+
+ if (!(state->oob_format & NAND_OOB_ONLY))
+ {
+ state->page_size = nand->page_size;
+ state->page = malloc(nand->page_size);
+ }
+
+ if (state->oob_format & (NAND_OOB_RAW | NAND_OOB_SW_ECC | NAND_OOB_SW_ECC_KW))
+ {
+ if (nand->page_size == 512)
+ {
+ state->oob_size = 16;
+ state->eccpos = nand_oob_16.eccpos;
+ }
+ else if (nand->page_size == 2048)
+ {
+ state->oob_size = 64;
+ state->eccpos = nand_oob_64.eccpos;
+ }
+ state->oob = malloc(state->oob_size);
+ }
+
+ return ERROR_OK;
+}
+static int nand_fileio_cleanup(struct nand_fileio_state *state)
+{
+ if (state->file_opened)
+ fileio_close(&state->fileio);
+
+ if (state->oob)
+ {
+ free(state->oob);
+ state->oob = NULL;
+ }
+ if (state->page)
+ {
+ free(state->page);
+ state->page = NULL;
+ }
+ return ERROR_OK;
+}
+int nand_fileio_finish(struct nand_fileio_state *state)
+{
+ nand_fileio_cleanup(state);
+ return duration_measure(&state->bench);
+}
+
+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)
+{
+ nand_fileio_init(state);
+
+ unsigned minargs = need_size ? 4 : 3;
+ if (argc < minargs)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ 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 == nand->device)
+ {
+ command_print(cmd_ctx, "#%s: not probed", args[0]);
+ return ERROR_OK;
+ }
+
+ 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 > minargs)
+ {
+ for (unsigned i = minargs; i < argc; i++)
+ {
+ if (!strcmp(args[i], "oob_raw"))
+ state->oob_format |= NAND_OOB_RAW;
+ else if (!strcmp(args[i], "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]);
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ }
+ }
+
+ 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.)
+ */
+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)
+ {
+ 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 (s->oob_format & NAND_OOB_SW_ECC)
+ {
+ 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];
+ }
+ }
+ else if (s->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.
+ */
+ 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;
+ }
+ }
+ else if (NULL != s->oob)
+ {
+ 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;
+}
+
COMMAND_HANDLER(handle_nand_write_command)
{
uint32_t offset;
return ERROR_COMMAND_SYNTAX_ERROR;
}
- nand_device_t *p;
+ struct nand_device *p;
int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p);
if (ERROR_OK != retval)
return retval;
return ERROR_COMMAND_SYNTAX_ERROR;
}
- nand_device_t *p;
+ struct nand_device *p;
int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p);
if (ERROR_OK != retval)
return retval;
return ERROR_COMMAND_SYNTAX_ERROR;
}
- nand_device_t *p;
+ struct nand_device *p;
int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p);
if (ERROR_OK != retval)
return retval;
return ERROR_OK;
}
-int nand_init(struct command_context_s *cmd_ctx)
+int nand_init(struct command_context *cmd_ctx)
{
if (!nand_devices)
return ERROR_OK;
Code Review / openocd.git / blobdiff