On Thu, Sep 03, 2020 at 07:28:55PM -0600, Simon Glass wrote:
> It is useful to be able to flash Edison directly without relying on the
> installed U-Boot being functional.
>
> Add a binman image for this. It includes a master-boot record, U-Boot
> binary and an environment.
master-boot record -> OSIP header
It's a part of DnX (Download'n'Execute) protocol. Let's say it's coincidence it
looks like MBR.
With above and below changes made,
Reviewed-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
> Signed-off-by: Simon Glass <s...@chromium.org>
> ---
>
> arch/x86/cpu/tangier/Kconfig | 1 +
> arch/x86/dts/edison.dts | 34 +++++++++++++++
> board/intel/edison/edison-environment.txt | 48 ++++++++++++++++++++++
> board/intel/edison/edison-mbr.dat | Bin 0 -> 512 bytes
mbr -> osip
> 4 files changed, 83 insertions(+)
> create mode 100644 board/intel/edison/edison-environment.txt
> create mode 100644 board/intel/edison/edison-mbr.dat
>
> diff --git a/arch/x86/cpu/tangier/Kconfig b/arch/x86/cpu/tangier/Kconfig
> index d2b7edecd60..571470c74b2 100644
> --- a/arch/x86/cpu/tangier/Kconfig
> +++ b/arch/x86/cpu/tangier/Kconfig
> @@ -12,6 +12,7 @@ config INTEL_TANGIER
> imply MMC_SDHCI_TANGIER
> imply USB
> imply USB_DWC3
> + imply BINMAN
>
> if INTEL_TANGIER
>
> diff --git a/arch/x86/dts/edison.dts b/arch/x86/dts/edison.dts
> index df24aa0d26a..b5aac6b7349 100644
> --- a/arch/x86/dts/edison.dts
> +++ b/arch/x86/dts/edison.dts
> @@ -22,6 +22,10 @@
> serial2 = &serial2;
> };
>
> + binman: binman {
> + multiple-images;
> + };
> +
> chosen {
> stdout-path = &serial2;
> };
> @@ -130,3 +134,33 @@
> };
> };
> };
> +
> +&binman {
> + u-boot-edison {
> + filename = "u-boot-edison.img";
> +
> + /* This is Master-Boot Record */
> + blob {
> + filename = "edison-mbr.dat";
> + };
> +
> + u-boot {
> + offset = <0x200>;
> + };
> +
> + u-boot-env {
> + offset = <0x200200>;
> + filename = "edison-environment.txt";
> + size = <0x10000>;
> + fill-byte = [ff];
> + };
> +
> + u-boot-env2 {
> + type = "u-boot-env";
> + offset = <0x500200>;
> + filename = "edison-environment.txt";
> + size = <0x10000>;
> + fill-byte = [ff];
> + };
> + };
> +};
> diff --git a/board/intel/edison/edison-environment.txt
> b/board/intel/edison/edison-environment.txt
> new file mode 100644
> index 00000000000..afe00920461
> --- /dev/null
> +++ b/board/intel/edison/edison-environment.txt
> @@ -0,0 +1,48 @@
> +partitions=uuid_disk=${uuid_disk};name=u-boot0,start=1MiB,size=2MiB,uuid=${uuid_uboot0};name=u-boot-env0,size=1MiB,uuid=${uuid_uboot_env0};name=u-boot1,size=2MiB,uuid=${uuid_uboot1};name=u-boot-env1,size=1MiB,uuid=${uuid_uboot_env1};name=factory,size=1MiB,uuid=${uuid_factory};name=panic,size=24MiB,uuid=${uuid_panic};name=boot,size=32MiB,uuid=${uuid_boot};name=rootfs,size=1536MiB,uuid=${uuid_rootfs};name=update,size=768MiB,uuid=${uuid_update};name=home,size=-,uuid=${uuid_home};
> +do_dfu_alt_info_mmc=setenv dfu_alt_info "ifwi${hardware_id} raw 0 8192
> mmcpart 1;ifwib${hardware_id} raw 0 8192 mmcpart 2;u-boot0 part 0
> 1;u-boot-env0 part 0 2;u-boot1 part 0 3;u-boot-env1 part 0 4;boot part 0
> 7;rootfs part 0 8;update part 0 9;home part 0 10;vmlinuz fat 0 7;initrd fat 0
> 7"
> +dfu_alt_info_ram=kernel ram ${loadaddr} 0x800000
> +do_dfu_alt_info_ifwi=setenv dfu_alt_info "ifwi${hardware_id} raw 0 8192
> mmcpart 1;ifwib${hardware_id} raw 0 8192 mmcpart 2"
> +dfu_alt_info_reset=reset ram 0x0 0x0
> +bootargs_console=console=ttyMFD2 earlyprintk=ttyMFD2,keep
> +bootargs_debug=loglevel=4
> +do_bootargs_rootfs=setenv bootargs_rootfs rootwait
> root=PARTUUID=${uuid_rootfs} rootfstype=ext4
> +first_install_retry=0
> +first_install_max_retries=3
> +ota_update_retry=0
> +ota_update_max_retries=3
> +audio_codec_name=audio_codec="dummy"
> +do_audio_support=setenv audio_support
> platform_mrfld_audio.${audio_codec_name}
> +do_compute_target=if itest.b ${first_install_retry} -gt
> ${first_install_max_retries} || itest.b ${ota_update_retry} -gt
> ${ota_update_max_retries}; then echo "Switch to Rescue target"; setenv
> bootargs_target rescue; saveenv; fi
> +mmc-bootargs=run do_bootargs_rootfs; run do_audio_support; setenv bootargs
> ${bootargs_rootfs} ${bootargs_console} ${bootargs_debug}
> g_multi.ethernet_config=${bootargs_ethconfig}
> systemd.unit=${bootargs_target}.target hardware_id=${hardware_id}
> g_multi.iSerialNumber=${serial#} g_multi.dev_addr=${usb0addr} ${audio_support}
> +loadaddr=0x100000
> +load_kernel=fatload mmc 0:7 ${loadaddr} vmlinuz
> +do_partition_done=0
> +do_partition=if itest.b ${do_partition_done} -eq 1; then echo "Partitioning
> already done..."; else run do_force_partition ; fi
> +do_force_partition=echo "Partitioning using GPT"; gpt write mmc 0
> ${partitions} ; mmc rescan; setenv do_partition_done 1 ; saveenv
> +do_flash_ifwi=run do_dfu_alt_info_ifwi ; dfu 0 mmc 0 $dfu_to_sec
> +do_flash_os=if itest.b ${do_flash_os_done} -eq 1 ; then echo "Flashing
> already done..." ; else run do_force_flash_os; fi
> +do_force_flash_os=run do_dfu_alt_info_mmc ; sleep 1 ; setenv
> do_flash_os_done 1 ; saveenv ; dfu 0 mmc 0 $dfu_to_sec
> +do_flashall=run do_partition;run do_flash_ifwi;run do_flash_os
> +do_dnx=setenv dfu_alt_info ${dfu_alt_info_ram};dfu 0 ram 0 ram;run bootcmd
> +init_dfu=run do_dfu_alt_info_mmc ; saveenv
> +bootcmd=echo "Target:${target_name}"; run do_partition; run
> do_handle_bootargs_mode;
> +do_handle_bootargs_mode=run do_preprocess_bootargs_mode; if itest.s
> $bootargs_mode == "ota" ; then run do_ota; fi; if itest.s $bootargs_mode ==
> "boot" ; then run do_boot; fi; if itest.s $bootargs_mode == "flash"; then run
> do_flash; fi; run do_fallback; exit;
> +do_preprocess_bootargs_mode=if env exists bootargs_mode ; then ; else setenv
> bootargs_mode "boot" ;fi;
> +do_fallback=echo "Unknown boot mode: $bootargs_mode"; env delete -f
> bootargs_mode; saveenv; echo "Resetting to default boot mode and reboot...";
> reset;
> +do_boot=run boot_target_cmd;
> +do_flash=run do_force_flash_os;
> +ota_done=0
> +ota_script_addr=0x100000
> +do_ota_init=setenv ota_status 1 ; env delete -f bootargs_mode
> +do_load_ota_scr=if fatload mmc 0:9 $ota_script_addr ota_update.scr ; then
> setenv ota_status 0 ; else setenv ota_status 1 ; fi
> +do_source_ota_scr=if test $ota_status -eq 0 ; then if source
> $ota_script_addr ; then setenv ota_status 0 ; else setenv ota_status 2 ; fi ;
> fi
> +do_ota_clean=saveenv ; reset
> +do_ota=run do_ota_init ; run do_load_ota_scr ; run do_source_ota_scr ; run
> do_ota_clean
> +target_name=blank
> +bootdelay=1
> +do_flash_os_done=1
> +bootargs_target=multi-user
> +bootargs_ethconfig=cdc
> +dfu_to_sec=3
> +do_probe_dfu=run do_dfu_alt_info_mmc ; dfu 0 mmc 0 $dfu_to_sec
> +boot_target_cmd=run do_flash_os;run do_probe_dfu;run do_compute_target;run
> mmc-bootargs;run load_kernel;zboot ${loadaddr}
> diff --git a/board/intel/edison/edison-mbr.dat
> b/board/intel/edison/edison-mbr.dat
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..c984e99f247c54253f1d950ece602d44c10cb6eb
> GIT binary patch
> literal 512
> zcmY%K4_0AdU}R!sv|zvqI6yK2j0^%mY{0<459IwH1p^uah`4$OWHN%d4;C{cM2TaC
> Gt^xr56@#Pz
>
> literal 0
> HcmV?d00001
>
> --
> 2.28.0.526.ge36021eeef-goog
>
--
With Best Regards,
Andy Shevchenko
