[U-Boot] [PATCH 11/20] iMX28: Add image header generator tool

Stefano Babic
2011-11-10T13:12:54Z

On 11/09/2011 10:18 AM, Marek Vasut wrote:
> This tool can now generate proper image for "BootStream" files.
>
> NOTE: This tool now works only for NAND.
>
> Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
> Cc: Stefano Babic <sbabic@denx.de>
> Cc: Wolfgang Denk <wd@denx.de>
> Cc: Detlev Zundel <dzu@denx.de>
> ---
> tools/.gitignore | 1 +
> tools/Makefile | 6 +
> tools/mxsboot.c | 684 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 691 insertions(+), 0 deletions(-)
> create mode 100644 tools/mxsboot.c
>
> diff --git a/tools/.gitignore b/tools/.gitignore
> index 07f21a3..98a5c78 100644
> --- a/tools/.gitignore
> +++ b/tools/.gitignore
> @@ -4,6 +4,7 @@
> /img2srec
> /mkimage
> /mpc86x_clk
> +/mxsboot
> /ncb
> /ncp
> /ubsha1
> diff --git a/tools/Makefile b/tools/Makefile
> index df56a25..ca93156 100644
> --- a/tools/Makefile
> +++ b/tools/Makefile
> @@ -67,6 +67,7 @@ BIN_FILES-$(CONFIG_CMD_NET) += gen_eth_addr$(SFX)
> BIN_FILES-$(CONFIG_CMD_LOADS) += img2srec$(SFX)
> BIN_FILES-$(CONFIG_XWAY_SWAP_BYTES) += xway-swap-bytes$(SFX)
> BIN_FILES-y += mkimage$(SFX)
> +BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX)
> BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX)
> BIN_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1$(SFX)
>
> @@ -91,6 +92,7 @@ NOPED_OBJ_FILES-y += kwbimage.o
> NOPED_OBJ_FILES-y += imximage.o
> NOPED_OBJ_FILES-y += omapimage.o
> NOPED_OBJ_FILES-y += mkimage.o
> +OBJ_FILES-$(CONFIG_MX28) += mxsboot.o
> OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o
> NOPED_OBJ_FILES-y += os_support.o
> OBJ_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1.o
> @@ -206,6 +208,10 @@ $(obj)mpc86x_clk$(SFX): $(obj)mpc86x_clk.o
> $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^
> $(HOSTSTRIP) $@
>
> +$(obj)mxsboot$(SFX): $(obj)mxsboot.o
> + $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^
> + $(HOSTSTRIP) $@
> +
> $(obj)ncb$(SFX): $(obj)ncb.o
> $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^
> $(HOSTSTRIP) $@
> diff --git a/tools/mxsboot.c b/tools/mxsboot.c
> new file mode 100644
> index 0000000..176753d
> --- /dev/null
> +++ b/tools/mxsboot.c
> @@ -0,0 +1,684 @@
> +/*
> + * Freescale i.MX28 image generator
> + *
> + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
> + * on behalf of DENX Software Engineering GmbH
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * 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
> + */
> +
> +#include <fcntl.h>
> +#include <sys/stat.h>
> +#include <sys/types.h>
> +#include <unistd.h>
> +
> +#include "compiler.h"
> +
> +/*
> + * Default BCB layout.
> + *
> + * TWEAK this if you have blown any OCOTP fuses.
> + */
> +#define STRIDE_PAGES 64
> +#define STRIDE_COUNT 4
> +
> +/*
> + * Layout for 256Mb big NAND with 2048b page size, 64b OOB size and
> + * 128kb erase size.
> + *
> + * TWEAK this if you have different kind of NAND chip.
> + */
> +uint32_t nand_writesize = 2048;
> +uint32_t nand_oobsize = 64;
> +uint32_t nand_erasesize = 128 * 1024;
> +
> +/*
> + * Sector on which the SigmaTel boot partition (0x53) starts.
> + */
> +uint32_t sd_sector = 2048;
> +
> +/*
> + * Each of the U-Boot bootstreams is at maximum 1MB big.
> + *
> + * TWEAK this if, for some wild reason, you need to boot bigger image.
> + */
> +#define MAX_BOOTSTREAM_SIZE (1 * 1024 * 1024)
> +
> +/* i.MX28 NAND controller-specific constants. DO NOT TWEAK! */
> +#define MXS_NAND_DMA_DESCRIPTOR_COUNT 4
> +#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE 512
> +#define MXS_NAND_METADATA_SIZE 10
> +#define MXS_NAND_COMMAND_BUFFER_SIZE 32
> +
> +struct mx28_nand_fcb {
> + uint32_t checksum;
> + uint32_t fingerprint;
> + uint32_t version;
> + struct {
> + uint8_t data_setup;
> + uint8_t data_hold;
> + uint8_t address_setup;
> + uint8_t dsample_time;
> + uint8_t nand_timing_state;
> + uint8_t rea;
> + uint8_t rloh;
> + uint8_t rhoh;
> + } timing;
> + uint32_t page_data_size;
> + uint32_t total_page_size;
> + uint32_t sectors_per_block;
> + uint32_t number_of_nands; /* Ignored */
> + uint32_t total_internal_die; /* Ignored */
> + uint32_t cell_type; /* Ignored */
> + uint32_t ecc_block_n_ecc_type;
> + uint32_t ecc_block_0_size;
> + uint32_t ecc_block_n_size;
> + uint32_t ecc_block_0_ecc_type;
> + uint32_t metadata_bytes;
> + uint32_t num_ecc_blocks_per_page;
> + uint32_t ecc_block_n_ecc_level_sdk; /* Ignored */
> + uint32_t ecc_block_0_size_sdk; /* Ignored */
> + uint32_t ecc_block_n_size_sdk; /* Ignored */
> + uint32_t ecc_block_0_ecc_level_sdk; /* Ignored */
> + uint32_t num_ecc_blocks_per_page_sdk; /* Ignored */
> + uint32_t metadata_bytes_sdk; /* Ignored */
> + uint32_t erase_threshold;
> + uint32_t boot_patch;
> + uint32_t patch_sectors;
> + uint32_t firmware1_starting_sector;
> + uint32_t firmware2_starting_sector;
> + uint32_t sectors_in_firmware1;
> + uint32_t sectors_in_firmware2;
> + uint32_t dbbt_search_area_start_address;
> + uint32_t badblock_marker_byte;
> + uint32_t badblock_marker_start_bit;
> + uint32_t bb_marker_physical_offset;
> +};
> +
> +struct mx28_nand_dbbt {
> + uint32_t checksum;
> + uint32_t fingerprint;
> + uint32_t version;
> + uint32_t number_bb;
> + uint32_t number_2k_pages_bb;
> +};
> +
> +struct mx28_nand_bbt {
> + uint32_t nand;
> + uint32_t number_bb;
> + uint32_t badblock[510];
> +};
> +
> +struct mx28_sd_drive_info {
> + uint32_t chip_num;
> + uint32_t drive_type;
> + uint32_t tag;
> + uint32_t first_sector_number;
> + uint32_t sector_count;
> +};
> +
> +struct mx28_sd_config_block {
> + uint32_t signature;
> + uint32_t primary_boot_tag;
> + uint32_t secondary_boot_tag;
> + uint32_t num_copies;
> + struct mx28_sd_drive_info drv_info[1];
> +};
> +
> +static inline uint32_t mx28_nand_ecc_size_in_bits(uint32_t ecc_strength)
> +{
> + return ecc_strength * 13;
> +}
> +
> +static inline uint32_t mx28_nand_get_ecc_strength(uint32_t page_data_size,
> + uint32_t page_oob_size)
> +{
> + if (page_data_size == 2048)
> + return 8;
> +
> + if (page_data_size == 4096) {
> + if (page_oob_size == 128)
> + return 8;
> +
> + if (page_oob_size == 218)
> + return 16;
> + }
> +
> + return 0;
> +}
> +
> +static inline uint32_t mx28_nand_get_mark_offset(uint32_t page_data_size,
> + uint32_t ecc_strength)
> +{
> + uint32_t chunk_data_size_in_bits;
> + uint32_t chunk_ecc_size_in_bits;
> + uint32_t chunk_total_size_in_bits;
> + uint32_t block_mark_chunk_number;
> + uint32_t block_mark_chunk_bit_offset;
> + uint32_t block_mark_bit_offset;
> +
> + chunk_data_size_in_bits = MXS_NAND_CHUNK_DATA_CHUNK_SIZE * 8;
> + chunk_ecc_size_in_bits = mx28_nand_ecc_size_in_bits(ecc_strength);
> +
> + chunk_total_size_in_bits =
> + chunk_data_size_in_bits + chunk_ecc_size_in_bits;
> +
> + /* Compute the bit offset of the block mark within the physical page. */
> + block_mark_bit_offset = page_data_size * 8;
> +
> + /* Subtract the metadata bits. */
> + block_mark_bit_offset -= MXS_NAND_METADATA_SIZE * 8;
> +
> + /*
> + * Compute the chunk number (starting at zero) in which the block mark
> + * appears.
> + */
> + block_mark_chunk_number =
> + block_mark_bit_offset / chunk_total_size_in_bits;
> +
> + /*
> + * Compute the bit offset of the block mark within its chunk, and
> + * validate it.
> + */
> + block_mark_chunk_bit_offset = block_mark_bit_offset -
> + (block_mark_chunk_number * chunk_total_size_in_bits);
> +
> + if (block_mark_chunk_bit_offset > chunk_data_size_in_bits)
> + return 1;
> +
> + /*
> + * Now that we know the chunk number in which the block mark appears,
> + * we can subtract all the ECC bits that appear before it.
> + */
> + block_mark_bit_offset -=
> + block_mark_chunk_number * chunk_ecc_size_in_bits;
> +
> + return block_mark_bit_offset;
> +}
> +
> +static inline uint32_t mx28_nand_mark_byte_offset(void)
> +{
> + uint32_t ecc_strength;
> + ecc_strength = mx28_nand_get_ecc_strength(nand_writesize, nand_oobsize);
> + return mx28_nand_get_mark_offset(nand_writesize, ecc_strength) >> 3;
> +}
> +
> +static inline uint32_t mx28_nand_mark_bit_offset(void)
> +{
> + uint32_t ecc_strength;
> + ecc_strength = mx28_nand_get_ecc_strength(nand_writesize, nand_oobsize);
> + return mx28_nand_get_mark_offset(nand_writesize, ecc_strength) & 0x7;
> +}
> +
> +static uint32_t mx28_nand_block_csum(uint8_t *block, uint32_t size)
> +{
> + uint32_t csum = 0;
> + int i;
> +
> + for (i = 0; i < size; i++)
> + csum += block[i];
> +
> + return csum ^ 0xffffffff;
> +}
> +
> +static struct mx28_nand_fcb *mx28_nand_get_fcb(uint32_t size)
> +{
> + struct mx28_nand_fcb *fcb;
> + uint32_t bcb_size_bytes;
> + uint32_t stride_size_bytes;
> + uint32_t bootstream_size_pages;
> + uint32_t fw1_start_page;
> + uint32_t fw2_start_page;
> +
> + fcb = malloc(nand_writesize);
> + if (!fcb) {
> + printf("MX28 NAND: Unable to allocate FCB\n");
> + return NULL;
> + }
> +
> + memset(fcb, 0, nand_writesize);
> +
> + fcb->fingerprint = 0x20424346;
> + fcb->version = 0x01000000;
> +
> + /*
> + * FIXME: These here are default values as found in kobs-ng. We should
> + * probably retrieve the data from NAND or something.
> + */
> + fcb->timing.data_setup = 80;
> + fcb->timing.data_hold = 60;
> + fcb->timing.address_setup = 25;
> + fcb->timing.dsample_time = 6;
> +
> + fcb->page_data_size = nand_writesize;
> + fcb->total_page_size = nand_writesize + nand_oobsize;
> + fcb->sectors_per_block = nand_erasesize / nand_writesize;
> +
> + fcb->num_ecc_blocks_per_page = (nand_writesize / 512) - 1;
> + fcb->ecc_block_0_size = 512;
> + fcb->ecc_block_n_size = 512;
> + fcb->metadata_bytes = 10;
> +
> + if (nand_writesize == 2048) {
> + fcb->ecc_block_n_ecc_type = 4;
> + fcb->ecc_block_0_ecc_type = 4;
> + } else if (nand_writesize == 4096) {
> + if (nand_oobsize == 128) {
> + fcb->ecc_block_n_ecc_type = 4;
> + fcb->ecc_block_0_ecc_type = 4;
> + } else if (nand_oobsize == 218) {
> + fcb->ecc_block_n_ecc_type = 8;
> + fcb->ecc_block_0_ecc_type = 8;
> + }
> + }
> +
> + if (fcb->ecc_block_n_ecc_type == 0) {
> + printf("MX28 NAND: Unsupported NAND geometry\n");
> + goto err;
> + }
> +
> + fcb->boot_patch = 0;
> + fcb->patch_sectors = 0;
> +
> + fcb->badblock_marker_byte = mx28_nand_mark_byte_offset();
> + fcb->badblock_marker_start_bit = mx28_nand_mark_bit_offset();
> + fcb->bb_marker_physical_offset = nand_writesize;
> +
> + stride_size_bytes = STRIDE_PAGES * nand_writesize;
> + bcb_size_bytes = stride_size_bytes * STRIDE_COUNT;
> +
> + bootstream_size_pages = (size + (nand_writesize - 1)) /
> + nand_writesize;
> +
> + fw1_start_page = 2 * bcb_size_bytes / nand_writesize;
> + fw2_start_page = (2 * bcb_size_bytes + MAX_BOOTSTREAM_SIZE) /
> + nand_writesize;
> +
> + fcb->firmware1_starting_sector = fw1_start_page;
> + fcb->firmware2_starting_sector = fw2_start_page;
> + fcb->sectors_in_firmware1 = bootstream_size_pages;
> + fcb->sectors_in_firmware2 = bootstream_size_pages;
> +
> + fcb->dbbt_search_area_start_address = STRIDE_PAGES * STRIDE_COUNT;
> +
> + return fcb;
> +
> +err:
> + free(fcb);
> + return NULL;
> +}
> +
> +static struct mx28_nand_dbbt *mx28_nand_get_dbbt(void)
> +{
> + struct mx28_nand_dbbt *dbbt;
> +
> + dbbt = malloc(nand_writesize);
> + if (!dbbt) {
> + printf("MX28 NAND: Unable to allocate DBBT\n");
> + return NULL;
> + }
> +
> + memset(dbbt, 0, nand_writesize);
> +
> + dbbt->fingerprint = 0x54424244;
> + dbbt->version = 0x1;
> +
> + return dbbt;
> +}
> +
> +static inline uint8_t mx28_nand_parity_13_8(const uint8_t b)
> +{
> + uint32_t parity = 0, tmp;
> +
> + tmp = ((b >> 6) ^ (b >> 5) ^ (b >> 3) ^ (b >> 2)) & 1;
> + parity |= tmp << 0;
> +
> + tmp = ((b >> 7) ^ (b >> 5) ^ (b >> 4) ^ (b >> 2) ^ (b >> 1)) & 1;
> + parity |= tmp << 1;
> +
> + tmp = ((b >> 7) ^ (b >> 6) ^ (b >> 5) ^ (b >> 1) ^ (b >> 0)) & 1;
> + parity |= tmp << 2;
> +
> + tmp = ((b >> 7) ^ (b >> 4) ^ (b >> 3) ^ (b >> 0)) & 1;
> + parity |= tmp << 3;
> +
> + tmp = ((b >> 6) ^ (b >> 4) ^ (b >> 3) ^
> + (b >> 2) ^ (b >> 1) ^ (b >> 0)) & 1;
> + parity |= tmp << 4;
> +
> + return parity;
> +}
> +
> +static uint8_t *mx28_nand_fcb_block(struct mx28_nand_fcb *fcb)
> +{
> + uint8_t *block;
> + uint8_t *ecc;
> + int i;
> +
> + block = malloc(nand_writesize + nand_oobsize);
> + if (!block) {
> + printf("MX28 NAND: Unable to allocate FCB block\n");
> + return NULL;
> + }
> +
> + memset(block, 0, nand_writesize + nand_oobsize);
> +
> + /* Update the FCB checksum */
> + fcb->checksum = mx28_nand_block_csum(((uint8_t *)fcb) + 4, 508);
> +
> + /* Figure 12-11. in iMX28RM, rev. 1, says FCB is at offset 12 */
> + memcpy(block + 12, fcb, sizeof(struct mx28_nand_fcb));
> +
> + /* ECC is at offset 12 + 512 */
> + ecc = block + 12 + 512;
> +
> + /* Compute the ECC parity */
> + for (i = 0; i < sizeof(struct mx28_nand_fcb); i++)
> + ecc[i] = mx28_nand_parity_13_8(block[i + 12]);
> +
> + return block;
> +}
> +
> +static int mx28_nand_write_fcb(struct mx28_nand_fcb *fcb, char *buf)
> +{
> + uint32_t offset;
> + uint8_t *fcbblock;
> + int ret = 0;
> + int i;
> +
> + fcbblock = mx28_nand_fcb_block(fcb);
> + if (!fcbblock)
> + return -1;
> +
> + for (i = 0; i < STRIDE_PAGES * STRIDE_COUNT; i += STRIDE_PAGES) {
> + offset = i * nand_writesize;
> + memcpy(buf + offset, fcbblock, nand_writesize + nand_oobsize);
> + }
> +
> + free(fcbblock);
> + return ret;
> +}
> +
> +static int mx28_nand_write_dbbt(struct mx28_nand_dbbt *dbbt, char *buf)
> +{
> + uint32_t offset;
> + int i = STRIDE_PAGES * STRIDE_COUNT;
> +
> + for (; i < 2 * STRIDE_PAGES * STRIDE_COUNT; i += STRIDE_PAGES) {
> + offset = i * nand_writesize;
> + memcpy(buf + offset, dbbt, sizeof(struct mx28_nand_dbbt));
> + }
> +
> + return 0;
> +}
> +
> +static int mx28_nand_write_firmware(struct mx28_nand_fcb *fcb, int infd,
> + char *buf)
> +{
> + int ret;
> + off_t size;
> + uint32_t offset1, offset2;
> +
> + size = lseek(infd, 0, SEEK_END);
> + lseek(infd, 0, SEEK_SET);
> +
> + offset1 = fcb->firmware1_starting_sector * nand_writesize;
> + offset2 = fcb->firmware2_starting_sector * nand_writesize;
> +
> + ret = read(infd, buf + offset1, size);
> + if (ret != size)
> + return -1;
> +
> + memcpy(buf + offset2, buf + offset1, size);
> +
> + return 0;
> +}
> +
> +void usage(void)
> +{
> + printf(
> + "Usage: mx28image [ops] <type> <infile> <outfile>\n"
> + "Augment BootStream file with a proper header for i.MX28 boot\n"
> + "\n"
> + " <type> type of image:\n"
> + " \"nand\" for NAND image\n"
> + " \"sd\" for SD image\n"
> + " <infile> input file, the u-boot.sb bootstream\n"
> + " <outfile> output file, the bootable image\n"
> + "\n");
> + printf(
> + "For NAND boot, these options are accepted:\n"
> + " -w <size> NAND page size\n"
> + " -o <size> NAND OOB size\n"
> + " -e <size> NAND erase size\n"
> + "\n"
> + "For SD boot, these options are accepted:\n"
> + " -p <sector> Sector where the SGTL partition starts\n"
> + );
> +}
> +
> +static int mx28_create_nand_image(int infd, int outfd)
> +{
> + struct mx28_nand_fcb *fcb;
> + struct mx28_nand_dbbt *dbbt;
> + int ret = -1;
> + char *buf;
> + int size;
> + ssize_t wr_size;
> +
> + size = nand_writesize * 512 + 2 * MAX_BOOTSTREAM_SIZE;
> +
> + buf = malloc(size);
> + if (!buf) {
> + printf("Can not allocate output buffer of %d bytes\n", size);
> + goto err0;
> + }
> +
> + memset(buf, 0, size);
> +
> + fcb = mx28_nand_get_fcb(MAX_BOOTSTREAM_SIZE);
> + if (!fcb) {
> + printf("Unable to compile FCB\n");
> + goto err1;
> + }
> +
> + dbbt = mx28_nand_get_dbbt();
> + if (!dbbt) {
> + printf("Unable to compile DBBT\n");
> + goto err2;
> + }
> +
> + ret = mx28_nand_write_fcb(fcb, buf);
> + if (ret) {
> + printf("Unable to write FCB to buffer\n");
> + goto err3;
> + }
> +
> + ret = mx28_nand_write_dbbt(dbbt, buf);
> + if (ret) {
> + printf("Unable to write DBBT to buffer\n");
> + goto err3;
> + }
> +
> + ret = mx28_nand_write_firmware(fcb, infd, buf);
> + if (ret) {
> + printf("Unable to write firmware to buffer\n");
> + goto err3;
> + }
> +
> + wr_size = write(outfd, buf, size);
> + if (wr_size != size) {
> + ret = -1;
> + goto err3;
> + }
> +
> + ret = 0;
> +
> +err3:
> + free(dbbt);
> +err2:
> + free(fcb);
> +err1:
> + free(buf);
> +err0:
> + return ret;
> +}
> +
> +static int mx28_create_sd_image(int infd, int outfd)
> +{
> + int ret = -1;
> + uint32_t *buf;
> + int size;
> + off_t fsize;
> + ssize_t wr_size;
> + struct mx28_sd_config_block *cb;
> +
> + fsize = lseek(infd, 0, SEEK_END);
> + lseek(infd, 0, SEEK_SET);
> + size = fsize + 512;
> +
> + buf = malloc(size);
> + if (!buf) {
> + printf("Can not allocate output buffer of %d bytes\n", size);
> + goto err0;
> + }
> +
> + ret = read(infd, (uint8_t *)buf + 512, fsize);
> + if (ret != fsize) {
> + ret = -1;
> + goto err1;
> + }
> +
> + cb = (struct mx28_sd_config_block *)buf;
> +
> + cb->signature = 0x00112233;
> + cb->primary_boot_tag = 0x1;
> + cb->secondary_boot_tag = 0x1;
> + cb->num_copies = 1;
> + cb->drv_info[0].chip_num = 0x0;
> + cb->drv_info[0].drive_type = 0x0;
> + cb->drv_info[0].tag = 0x1;
> + cb->drv_info[0].first_sector_number = sd_sector + 1;
> + cb->drv_info[0].sector_count = (size - 1) / 512;
> +
> + wr_size = write(outfd, buf, size);
> + if (wr_size != size) {
> + ret = -1;
> + goto err1;
> + }
> +
> + ret = 0;
> +
> +err1:
> + free(buf);
> +err0:
> + return ret;
> +}
> +
> +int parse_ops(int argc, char **argv)
> +{
> + int i;
> + int tmp;
> + char *end;
> + enum param {
> + PARAM_WRITE,
> + PARAM_OOB,
> + PARAM_ERASE,
> + PARAM_PART,
> + PARAM_SD,
> + PARAM_NAND
> + };
> + int type;
> +
> + for (i = 1; i < argc; i++) {
> + if (!strncmp(argv[i], "-w", 2))
> + type = PARAM_WRITE;
> + else if (!strncmp(argv[i], "-o", 2))
> + type = PARAM_OOB;
> + else if (!strncmp(argv[i], "-e", 2))
> + type = PARAM_ERASE;
> + else if (!strncmp(argv[i], "-p", 2))
> + type = PARAM_PART;
> + else /* SD/MMC */
> + break;
> +
> + tmp = strtol(argv[++i], &end, 10);
> + if (tmp % 2)
> + return -1;
> + if (tmp <= 0)
> + return -1;
> +
> + if (type == PARAM_WRITE)
> + nand_writesize = tmp;
> + if (type == PARAM_OOB)
> + nand_oobsize = tmp;
> + if (type == PARAM_ERASE)
> + nand_erasesize = tmp;
> + if (type == PARAM_PART)
> + sd_sector = tmp;
> + }
> +
> + if (strcmp(argv[i], "sd") && strcmp(argv[i], "nand"))
> + return -1;
> +
> + if (i + 3 != argc)
> + return -1;
> +
> + return i;
> +}
> +
> +int main(int argc, char **argv)
> +{
> + int infd, outfd;
> + int ret = 0;
> + int offset;
> +
> + offset = parse_ops(argc, argv);
> + if (offset < 0) {
> + usage();
> + ret = 1;
> + goto err1;
> + }
> +
> + infd = open(argv[offset + 1], O_RDONLY);
> + if (infd < 0) {
> + printf("Input BootStream file can not be opened\n");
> + ret = 2;
> + goto err1;
> + }
> +
> + outfd = open(argv[offset + 2], O_CREAT | O_TRUNC | O_WRONLY,
> + S_IRUSR | S_IWUSR);
> + if (outfd < 0) {
> + printf("Output file can not be created\n");
> + ret = 3;
> + goto err2;
> + }
> +
> + if (!strcmp(argv[offset], "sd"))
> + ret = mx28_create_sd_image(infd, outfd);
> + else if (!strcmp(argv[offset], "nand"))
> + ret = mx28_create_nand_image(infd, outfd);
> +
> + close(outfd);
> +err2:
> + close(infd);
> +err1:
> + return ret;
> +}
Applied to u-boot-imx, thanks.

Best regards,
Stefano Babic

--
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DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office at denx.de
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