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--- products:sbc:vim1s:hardware:vim1s-boot-flow [2023/03/06 22:24]
hyphop [SPI Flash boot areas]
+++ products:sbc:vim1s:hardware:vim1s-boot-flow [2023/06/05 07:56]
hyphop [OOWOW boot led indication]
@@ Line 1: / Line 1: @@
-~~tag> vim1s boot~~
 ~~tag> VIM1S boot~~
@@ Line 19: / Line 17: @@
 WIP:
-  * ''FUNCTION'' + ''RESET'' - oowow mode
+  * ''FUNCTION'' + ''RESET'' - [[#oowow-mode]]
   * ''FUNCTION'' x3 times - flash mode
 More detail: [[./interfaces#hardware-buttons]]
+====== OOWOW boot led indication ======
+OOWOW boot makes a red LED indication on the first boot seconds, it's looks like a short RED blinking 1-3 sec in success,
+<WRAP important >
+Red blink or permanent red LED means OOWOW failed
+</WRAP>
+<WRAP tip >
+This indication common for VIM4, Edge2 and VIM1S
+</WRAP>
+```shell Preparing for oowow
+# red led hb mode
+i2c mw 0x18 0x89 3
+```
+```shell try to start
+# red led off
+i2c mw 0x18 0x89 0
+```
+```shell oowow fail
+# red led on mode
+i2c mw 0x18 0x89 1
+```
+=== dev-info ===
+WIP: special pre-boot led indication
+```shell ~/khadas/vim1s/fenix/build/u-boot/board/khadas/configs$ grep -m1 PREBOOT kvim1s.h -A12
+#define CONFIG_PREBOOT  \
+	"run mcu_fan; " \
+	"run mcu_oowow_mode_chk; " \
+	"run led_mcu_on; " \
+	"run bcb_cmd; " \
+	"run upgrade_check;" \
+	"run init_display;" \
+	"run storeargs;" \
+	"run led_mcu_off; " \
+	"run upgrade_key;" \
+	"run switch_bootmode; " \
+	"run mcu_fan_off; "
+#else
+```
+```shell uboot led
+kvim1s# printenv led_mcu_on
+led_mcu_on=kbi led systemon w on
+kvim1s# printenv led_mcu_off
+led_mcu_off=kbi led systemon w off
+```
+====== OOWOW mode  ======
+Exclusive special service mode: activated [[#hardware-buttons|by hardware buttons]] or [[#set-oowow-mode|by software request]]
+<WRAP important >
+Ignore all boot sources like: ''USB'' removable stores , ''eMMC'' internal storage ...
+</WRAP>
+Boot fail service mode activated automatically as rescue mode for:
+  * internal eMMC storage is empty
+  * cant find any boot-able OS sources
+  * boot-up from other sources fail
+<WRAP important >
+Try at 1st boot from sources all sources: ''USB'' removable stores , ''eMMC'' internal storage ...
+</WRAP>
 ====== Boot modes oowow shell usage ======
@@ Line 46: / Line 120: @@
 ==== Set oowow mode ====
+Setup, check, or clean next OOWOW bootup...
 ```shell
@@ Line 65: / Line 141: @@
 disabled
-~# i2cset -f -y 2 0x18 0x92 1
+~# i2cset -f -y 1 0x18 0x92 1
-~# i2cget -f -y 2 0x18 0x92
+~# i2cget -f -y 1 0x18 0x92
 x01
@@ Line 79: / Line 155: @@
 ~# mcu_reboot
-~# i2cset -f -y 2 0x18 0x91 2
+~# i2cset -f -y 1 0x18 0x91 2
 ```
@@ Line 88: / Line 164: @@
 ```shell boot_targets
-kedge2# printenv boot_targets
+kvim1s# printenv boot_targets
-boot_targets=usb0 mmc1 mmc0 pxe dhcp fail
+boot_targets=wow usb0 mmc0 mmc1 storeboot rescue fail pxe dhcp
 ```
@@ Line 97: / Line 174: @@
 ```shell boot_targets
-kedge2# printenv boot_targets
+kvim1s# printenv boot_targets
-boot_targets=usb0 mmc1 mmc0 pxe dhcp
+boot_targets=usb0 mmc0 mmc1 storeboot rescue fail pxe dhcp
 ```

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