Hi Marek,
ST Restricted > -----Original Message----- > From: U-Boot <[email protected]> On Behalf Of Marek Vasut > Sent: mardi 5 octobre 2021 14:40 > To: [email protected] > Cc: Marek Vasut <[email protected]>; Lukasz Majewski <[email protected]> > Subject: [PATCH v2] dfu: dfu_sf: Add support for multiple flashes > > Add dfu_alt_info option which allows specifying multiple SPI flashes as an alt info. > The syntax is as follows: > > altname sf bus:cs[:speed[:mode]] > > Example: > dfu_alt_info=qspi0 sf 0:0;qspi1 sf 0:1 > > Signed-off-by: Marek Vasut <[email protected]> > Cc: Lukasz Majewski <[email protected]> > --- > V2: Fix device string parsing in all cases > --- > drivers/dfu/dfu_sf.c | 31 ++++++++++++++++++++++++------- > 1 file changed, 24 insertions(+), 7 deletions(-) > > diff --git a/drivers/dfu/dfu_sf.c b/drivers/dfu/dfu_sf.c index > b72493ced86..6d33497990a 100644 > --- a/drivers/dfu/dfu_sf.c > +++ b/drivers/dfu/dfu_sf.c > @@ -168,30 +168,46 @@ static struct spi_flash *parse_dev(char *devstr) int > dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr, char *s) { > char *st; > - char *devstr_bkup = strdup(devstr); > - > - dfu->data.sf.dev = parse_dev(devstr_bkup); > - free(devstr_bkup); > - if (!dfu->data.sf.dev) > - return -ENODEV; > > dfu->dev_type = DFU_DEV_SF; > - dfu->max_buf_size = dfu->data.sf.dev->sector_size; > > st = strsep(&s, " "); > if (!strcmp(st, "raw")) { > + char *devstr_bkup = strdup(devstr); > + dfu->data.sf.dev = parse_dev(devstr_bkup); > + free(devstr_bkup); > + if (!dfu->data.sf.dev) > + return -ENODEV; > + > dfu->layout = DFU_RAW_ADDR; > + dfu->max_buf_size = dfu->data.sf.dev->sector_size; > dfu->data.sf.start = hextoul(s, &s); > s++; > dfu->data.sf.size = hextoul(s, &s); > + } else if (!strcmp(st, "sf")) { > + st = strsep(&s, " "); > + dfu->data.sf.dev = parse_dev(st); > + if (!dfu->data.sf.dev) > + return -ENODEV; > + > + dfu->layout = DFU_RAW_ADDR; > + dfu->max_buf_size = dfu->data.sf.dev->sector_size; > + dfu->data.sf.start = 0; > + dfu->data.sf.size = dfu->data.sf.dev->size; > } else if (CONFIG_IS_ENABLED(DFU_SF_PART) && > (!strcmp(st, "part") || !strcmp(st, "partubi"))) { > + char *devstr_bkup = strdup(devstr); > char mtd_id[32]; > struct mtd_device *mtd_dev; > u8 part_num; > struct part_info *pi; > int ret, dev, part; > > + dfu->data.sf.dev = parse_dev(devstr_bkup); > + free(devstr_bkup); > + if (!dfu->data.sf.dev) > + return -ENODEV; > + > dfu->layout = DFU_RAW_ADDR; > > dev = dectoul(s, &s); > @@ -208,6 +224,7 @@ int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr, > char *s) > printf("Could not locate '%s'\n", mtd_id); > return -1; > } > + dfu->max_buf_size = dfu->data.sf.dev->sector_size; > dfu->data.sf.start = pi->offset; > dfu->data.sf.size = pi->size; > if (!strcmp(st, "partubi")) > -- > 2.33.0 The same use case can be supported with mtd backend https://elixir.bootlin.com/u-boot/latest/source/doc/usage/dfu.rst U-Boot> env set dfu_alt_info \ "mtd nor0=spl part 1;u-boot part 2;u-boot-env part 3&"\ "mtd nand0=UBI partubi 1"
