Heinrich,
On Fri, Jul 10, 2020 at 06:24:45PM +0200, Heinrich Schuchardt wrote:
> On 10.07.20 03:25, AKASHI Takahiro wrote:
> > The main purpose of this patch is to separate a generic interface for
> > updating firmware using DFU drivers from "auto-update" via tftp.
> >
> > This function will also be used in implementing UEFI capsule update
> > in a later commit.
> >
> > Signed-off-by: AKASHI Takahiro <takahiro.aka...@linaro.org>
> > ---
> > common/Kconfig | 16 +++++++++++
> > common/Makefile | 2 +-
> > common/update.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++--
> > include/image.h | 12 ++++++++
> > 4 files changed, 102 insertions(+), 3 deletions(-)
> >
> > diff --git a/common/Kconfig b/common/Kconfig
> > index 2d86dd7e63c6..a51d2a7b9d2a 100644
> > --- a/common/Kconfig
> > +++ b/common/Kconfig
> > @@ -985,9 +985,16 @@ endmenu
> >
> > menu "Update support"
> >
> > +config UPDATE_COMMON
> > + bool
> > + default n
> > + select DFU_ALT
> > +
> > config UPDATE_TFTP
> > bool "Auto-update using fitImage via TFTP"
> > depends on FIT
> > + depends on DFU
> > + select UPDATE_COMMON
> > help
> > This option allows performing update of NOR with data in fitImage
> > sent via TFTP boot.
> > @@ -1002,6 +1009,15 @@ config UPDATE_TFTP_MSEC_MAX
> > default 100
> > depends on UPDATE_TFTP
> >
> > +config UPDATE_FIT
> > + bool "Firmware update using fitImage"
> > + depends on FIT
> > + depends on DFU
> > + select UPDATE_COMMON
> > + help
> > + This option allows performing update of DFU-capable storage with
> > + data in fitImage.
> > +
> > config ANDROID_AB
> > bool "Android A/B updates"
> > default n
> > diff --git a/common/Makefile b/common/Makefile
> > index 2e7a090588d9..c238db8108e7 100644
> > --- a/common/Makefile
> > +++ b/common/Makefile
> > @@ -53,7 +53,7 @@ obj-$(CONFIG_LCD_ROTATION) += lcd_console_rotation.o
> > obj-$(CONFIG_LCD_DT_SIMPLEFB) += lcd_simplefb.o
> > obj-$(CONFIG_LYNXKDI) += lynxkdi.o
> > obj-$(CONFIG_MENU) += menu.o
> > -obj-$(CONFIG_UPDATE_TFTP) += update.o
> > +obj-$(CONFIG_UPDATE_COMMON) += update.o
> > obj-$(CONFIG_DFU_TFTP) += update.o
> > obj-$(CONFIG_USB_KEYBOARD) += usb_kbd.o
> > obj-$(CONFIG_CMDLINE) += cli_readline.o cli_simple.o
> > diff --git a/common/update.c b/common/update.c
> > index 3547dc68bf7c..a8151383fae7 100644
> > --- a/common/update.c
> > +++ b/common/update.c
> > @@ -24,6 +24,7 @@
> > #include <errno.h>
> > #include <mtd/cfi_flash.h>
> >
> > +#ifdef CONFIG_UPDATE_TFTP
> > /* env variable holding the location of the update file */
> > #define UPDATE_FILE_ENV "updatefile"
> >
> > @@ -211,6 +212,7 @@ static int update_flash(ulong addr_source, ulong
> > addr_first, ulong size)
> > return 1;
> > #endif
> > }
> > +#endif /* CONFIG_UPDATE_TFTP */
> >
> > static int update_fit_getparams(const void *fit, int noffset, ulong *addr,
> > ulong *fladdr, ulong *size)
> > @@ -228,6 +230,7 @@ static int update_fit_getparams(const void *fit, int
> > noffset, ulong *addr,
> > return 0;
> > }
> >
> > +#ifdef CONFIG_UPDATE_TFTP
> > int update_tftp(ulong addr, char *interface, char *devstring)
> > {
> > char *filename, *env_addr, *fit_image_name;
> > @@ -322,8 +325,9 @@ got_update_file:
> > }
> > } else if (fit_image_check_type(fit, noffset,
> > IH_TYPE_FIRMWARE)) {
> > - ret = dfu_tftp_write(fit_image_name, update_addr,
> > - update_size, interface, devstring);
> > + ret = dfu_write_by_name(fit_image_name, update_addr,
> > + update_size, interface,
> > + devstring);
> > if (ret)
> > return ret;
> > }
> > @@ -333,3 +337,70 @@ next_node:
> >
> > return ret;
> > }
> > +#endif
> > +
> > +#ifdef CONFIG_UPDATE_FIT
> > +/**
> > + * fit_update - update storage with FIT image
> > + * @fit: Pointer to FIT image
> > + *
> > + * Update firmware on storage using FIT image as input.
> > + * The storage area to be update will be identified by the name
> > + * in FIT and matching it to "dfu_alt_info" variable.
> > + *
> > + * Return: 0 - on success, non-zero - otherwise
> > + */
> > +int fit_update(const void *fit)
>
> With patch
>
> cmd: drop fitupd command
> https://patchwork.ozlabs.org/project/uboot/patch/20200617090903.9268-1-xypron.g...@gmx.de/
>
> the fitupd command is removed.
>
> Lukasz has to put the patch into a pull request, yet
>
> Once that patch has been inserted only the automatic fit updates will
> use code in common/update.c. This code is not called by the 'dfu tftp'
> command.
?
In cmd/dfu.c,
===8<===
#ifdef CONFIG_DFU_OVER_TFTP
if (!strcmp(argv[1], "tftp"))
return update_tftp(value, interface, devstring);
#endif
===>8===
> The function fit_update() that you create should be considered a part of
> the dfu framework and should be placed in drivers/dfu/dfu.c. Please,
> give it a name starting with dfu_.
Please read my code carefully.
There are some helper functions common to update_tftp() and
fit_update(). There is a good reason why I put this code in this file.
-Takahiro Akashi
> This way there is no need to change the Kconfig for common/update.c as
> update.c remains dedicated to automatic updates via tFTP.
>
> Best regards
>
> Heinrich
>
> > +{
> > + char *fit_image_name;
> > + ulong update_addr, update_fladdr, update_size;
> > + int images_noffset, ndepth, noffset;
> > + int ret = 0;
> > +
> > + if (!fit)
> > + return -EINVAL;
> > +
> > + if (!fit_check_format((void *)fit)) {
> > + printf("Bad FIT format of the update file, aborting
> > auto-update\n");
> > + return -EINVAL;
> > + }
> > +
> > + /* process updates */
> > + images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
> > +
> > + ndepth = 0;
> > + noffset = fdt_next_node(fit, images_noffset, &ndepth);
> > + while (noffset >= 0 && ndepth > 0) {
> > + if (ndepth != 1)
> > + goto next_node;
> > +
> > + fit_image_name = (char *)fit_get_name(fit, noffset, NULL);
> > + printf("Processing update '%s' :", fit_image_name);
> > +
> > + if (!fit_image_verify(fit, noffset)) {
> > + printf("Error: invalid update hash, aborting\n");
> > + ret = 1;
> > + goto next_node;
> > + }
> > +
> > + printf("\n");
> > + if (update_fit_getparams(fit, noffset, &update_addr,
> > + &update_fladdr, &update_size)) {
> > + printf("Error: can't get update parameters,
> > aborting\n");
> > + ret = 1;
> > + goto next_node;
> > + }
> > +
> > + if (fit_image_check_type(fit, noffset, IH_TYPE_FIRMWARE)) {
> > + ret = dfu_write_by_name(fit_image_name, update_addr,
> > + update_size, NULL, NULL);
> > + if (ret)
> > + return ret;
> > + }
> > +next_node:
> > + noffset = fdt_next_node(fit, noffset, &ndepth);
> > + }
> > +
> > + return ret;
> > +}
> > +#endif
> > diff --git a/include/image.h b/include/image.h
> > index ad81dad44429..1f2c53339d51 100644
> > --- a/include/image.h
> > +++ b/include/image.h
> > @@ -1573,4 +1573,16 @@ struct fit_loadable_tbl {
> > .handler = _handler, \
> > }
> >
> > +/**
> > + * fit_update - update storage with FIT image
> > + * @fit: Pointer to FIT image
> > + *
> > + * Update firmware on storage using FIT image as input.
> > + * The storage area to be update will be indentified by the name
> > + * in FIT and matching it to "dfu_alt_info" variable.
> > + *
> > + * Return: 0 on success, non-zero otherwise
> > + */
> > +int fit_update(const void *fit);
> > +
> > #endif /* __IMAGE_H__ */
> >
>
