On Fri, 13 Sep 2019 16:19:18 +0200
Patrick Delaunay <[email protected]> wrote:

> Copy the partition support from NAND backend to SF,
> support part and partubi option.
> In case of ubi partition, erase the rest of the
> partition as it is mandatory for UBI.
> 
> for example:
> 
> U-Boot> env set dfu_alt_info "spl part 0 1;\
> u-boot part 0 2;u-boot-env part 0 3;UBI partubi 0 4"
> U-Boot> dfu 0 sf 0:0:10000000:0
> 
> Signed-off-by: Patrick Delaunay <[email protected]>
> ---
> 
>  drivers/dfu/dfu_sf.c | 51
> ++++++++++++++++++++++++++++++++++++++++++++ include/dfu.h        |
> 2 ++ 2 files changed, 53 insertions(+)
> 
> diff --git a/drivers/dfu/dfu_sf.c b/drivers/dfu/dfu_sf.c
> index b78fcfd3a1..d401b76c2e 100644
> --- a/drivers/dfu/dfu_sf.c
> +++ b/drivers/dfu/dfu_sf.c
> @@ -10,6 +10,8 @@
>  #include <dfu.h>
>  #include <spi.h>
>  #include <spi_flash.h>
> +#include <jffs2/load_kernel.h>
> +#include <linux/mtd/mtd.h>
>  
>  static int dfu_get_medium_size_sf(struct dfu_entity *dfu, u64 *size)
>  {
> @@ -52,11 +54,33 @@ static int dfu_write_medium_sf(struct dfu_entity
> *dfu, 
>  static int dfu_flush_medium_sf(struct dfu_entity *dfu)
>  {
> +     u64 off, length;
> +
> +     if (!dfu->data.sf.ubi)
> +             return 0;
> +
> +     /* in case of ubi partition, erase rest of the partition */
> +     off = find_sector(dfu, dfu->data.sf.start, dfu->offset);
> +     /* last write ended with unaligned length jump to next */
> +     if (off != dfu->data.sf.start + dfu->offset)
> +             off += dfu->data.sf.dev->sector_size;
> +     length = dfu->data.sf.start + dfu->data.sf.size - off;
> +     if (length)
> +             return spi_flash_erase(dfu->data.sf.dev, off,
> length); +
>       return 0;
>  }
>  
>  static unsigned int dfu_polltimeout_sf(struct dfu_entity *dfu)
>  {
> +     /*
> +      * Currently, Poll Timeout != 0 is only needed on nand
> +      * ubi partition, as sectors which are not used need
> +      * to be erased
> +      */
> +     if (dfu->data.sf.ubi)
> +             return DFU_MANIFEST_POLL_TIMEOUT;
> +
>       return DFU_DEFAULT_POLL_TIMEOUT;
>  }
>  
> @@ -133,6 +157,33 @@ int dfu_fill_entity_sf(struct dfu_entity *dfu,
> char *devstr, char *s) dfu->data.sf.start = simple_strtoul(s, &s, 16);
>               s++;
>               dfu->data.sf.size = simple_strtoul(s, &s, 16);
> +     } else if ((!strcmp(st, "part")) || (!strcmp(st,
> "partubi"))) {
> +             char mtd_id[32];
> +             struct mtd_device *mtd_dev;
> +             u8 part_num;
> +             struct part_info *pi;
> +             int ret, dev, part;
> +
> +             dfu->layout = DFU_RAW_ADDR;
> +
> +             dev = simple_strtoul(s, &s, 10);
> +             s++;
> +             part = simple_strtoul(s, &s, 10);
> +
> +             sprintf(mtd_id, "%s%d,%d", "nor", dev, part - 1);
> +             printf("using id '%s'\n", mtd_id);
> +
> +             mtdparts_init();
> +
> +             ret = find_dev_and_part(mtd_id, &mtd_dev, &part_num,
> &pi);
> +             if (ret != 0) {
> +                     printf("Could not locate '%s'\n", mtd_id);
> +                     return -1;
> +             }
> +             dfu->data.sf.start = pi->offset;
> +             dfu->data.sf.size = pi->size;
> +             if (!strcmp(st, "partubi"))
> +                     dfu->data.sf.ubi = 1;
>       } else {
>               printf("%s: Memory layout (%s) not supported!\n",
> __func__, st); spi_flash_free(dfu->data.sf.dev);
> diff --git a/include/dfu.h b/include/dfu.h
> index 145a1576a3..bf51ab74a5 100644
> --- a/include/dfu.h
> +++ b/include/dfu.h
> @@ -77,6 +77,8 @@ struct sf_internal_data {
>       /* RAW programming */
>       u64 start;
>       u64 size;
> +     /* for sf/ubi use */
> +     unsigned int ubi;
>  };
>  
>  #define DFU_NAME_SIZE                        32

Acked-by: Lukasz Majewski <[email protected]>

Best regards,

Lukasz Majewski

--

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