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 'OSIP' header (which happens to look like an MBR / (Master-Boot Record), U-Boot binary and an environment.
I am not able to find a specification for OSIP.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Andy Shevchenko andriy.shevchenko@linux.intel.com ---
Changes in v2: - Rename MBR to OSIP
arch/x86/cpu/tangier/Kconfig | 1 + arch/x86/dts/edison.dts | 34 +++++++++++++++ board/intel/edison/edison-environment.txt | 48 ++++++++++++++++++++++ board/intel/edison/edison-osip.dat | Bin 0 -> 512 bytes 4 files changed, 83 insertions(+) create mode 100644 board/intel/edison/edison-environment.txt create mode 100644 board/intel/edison/edison-osip.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..e2f9469de32 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 the OSIP */ + blob { + filename = "edison-osip.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 ${loadaddr} diff --git a/board/intel/edison/edison-osip.dat b/board/intel/edison/edison-osip.dat new file mode 100644 index 0000000000000000000000000000000000000000..c984e99f247c54253f1d950ece602d44c10cb6eb GIT binary patch literal 512 zcmY%K4_0AdU}R!sv|zvqI6yK2j0^%mY{0<459IwH1p^uah`4$OWHN%d4;C{cM2TaC Gt^xr56@#Pz
literal 0 HcmV?d00001