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 | 14 +++++++++
common/Makefile | 3 +-
common/update.c | 71 +++++++++++++++++++++++++++++++++++++++++++++
drivers/dfu/Kconfig | 1 +
include/image.h | 12 ++++++++
5 files changed, 99 insertions(+), 2 deletions(-)
diff --git a/common/Kconfig b/common/Kconfig
index ca42ba37b726..86568dec2e25 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -1014,6 +1014,20 @@ endmenu
menu "Update support"
+config UPDATE_COMMON
+ bool
+ default n
+ select DFU_ALT
+
+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..bcf352d01652 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -53,8 +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_DFU_TFTP) += update.o
+obj-$(CONFIG_UPDATE_COMMON) += update.o
obj-$(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 f82d77cc0be9..2c75b37f19e6 100644
--- a/common/update.c
+++ b/common/update.c
@@ -23,6 +23,7 @@
#include <dfu.h>
#include <errno.h>
+#ifdef CONFIG_DFU_TFTP
/* env variable holding the location of the update file */
#define UPDATE_FILE_ENV "updatefile"
@@ -89,6 +90,7 @@ static int update_load(char *filename, ulong msec_max, int
cnt_max, ulong addr)
return rv;
}
+#endif /* CONFIG_DFU_TFTP */
static int update_fit_getparams(const void *fit, int noffset, ulong *addr,
ulong *fladdr, ulong *size)
@@ -106,6 +108,7 @@ static int update_fit_getparams(const void *fit, int
noffset, ulong *addr,
return 0;
}
+#ifdef CONFIG_DFU_TFTP
int update_tftp(ulong addr, char *interface, char *devstring)
{
char *filename, *env_addr, *fit_image_name;
@@ -194,3 +197,71 @@ next_node:
return ret;
}
+#endif /* CONFIG_DFU_UPDATE */
+
+#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)
+{
+ 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,
+ (void *)update_addr,
+ update_size, NULL, NULL);
+ if (ret)
+ return ret;
+ }
+next_node:
+ noffset = fdt_next_node(fit, noffset, &ndepth);
+ }
+
+ return ret;
+}
+#endif /* CONFIG_UPDATE_FIT */
diff --git a/drivers/dfu/Kconfig b/drivers/dfu/Kconfig
index d680b28ecf51..df0585c4fc83 100644
--- a/drivers/dfu/Kconfig
+++ b/drivers/dfu/Kconfig
@@ -22,6 +22,7 @@ config DFU_TFTP
bool "DFU via TFTP"
select DFU_ALT
select DFU_OVER_TFTP
+ select UPDATE_COMMON
help
This option allows performing update of DFU-managed medium with data
sent via TFTP boot.
diff --git a/include/image.h b/include/image.h
index 9a5a87dbf870..35b8b7c3d84f 100644
--- a/include/image.h
+++ b/include/image.h
@@ -1592,4 +1592,16 @@ 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 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);
+
#endif /* __IMAGE_H__ */
--
2.27.0
