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.akashi@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__ */