[openwrt/openwrt] layerscape: add flashing manual for LS1012FRDM

[LEDE Commits]

adrian pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/81ac2a73bc227484888a2a715f8e4e2e8043804e

commit 81ac2a73bc227484888a2a715f8e4e2e8043804e
Author: Pawel Dembicki <paweldembicki at gmail.com>
AuthorDate: Thu Aug 13 11:15:56 2020 +0200

    layerscape: add flashing manual for LS1012FRDM
    
    LS1012FRDM is supported but there's no flashing instruction in README.
    
    This patch adds it.
    
    While at it, add a missing saveenv for MAC address setup.
    
    Signed-off-by: Pawel Dembicki <paweldembicki at gmail.com>
    [add comment about saveenv]
    Signed-off-by: Adrian Schmutzler <freifunk at adrianschmutzler.de>
---
 target/linux/layerscape/README | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/target/linux/layerscape/README b/target/linux/layerscape/README
index 951f3e8984..8cbf05bd15 100644
--- a/target/linux/layerscape/README
+++ b/target/linux/layerscape/README
@@ -71,6 +71,16 @@ from SD card.
 
 3.2 Program firmware.bin to flash
 ---------------------------------
+* LS1012FRDM (QSPI flash)
+  Board have only one nor flash bank. Those commands will replace stock
+  bootloader and firmware. Please refer point 4 for MAC recovery.
+
+  => tftp a0000000 <firmware_name>-firmware.bin
+  => sf probe 0:0
+  => sf erase 0 +$filesize
+  => sf write a0000000 0 $filesize
+  => reset
+
 * LS1012ARDB (QSPI flash)
   Start up from bank1, and program firmware to bank2 with below commands.
   Switch to bank2 to start up OpenWrt.
@@ -155,6 +165,7 @@ from SD card.
 
   => setenv ethaddr 00:04:9F:04:65:4b
   => setenv eth1addr 00:04:9F:04:65:4c
+  => saveenv
 
 
 5. Other references