X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=doc%2FREADME.rockchip;h=597f068aca68af9cc9e7aac5c85c599327328950;hb=28b8f225b49ab24d295d4690cfb52ec8e7104db8;hp=9d5af3d53d0aebcb8b810fa60657a21a92433c34;hpb=1c4043e53236d94f217e98625ea201690e85f56d;p=oweals%2Fu-boot.git

diff --git a/doc/README.rockchip b/doc/README.rockchip
index 9d5af3d53d..597f068aca 100644
--- a/doc/README.rockchip
+++ b/doc/README.rockchip
@@ -102,7 +102,7 @@ To write an image that boots from an SD card (assumed to be /dev/sdc):
    sudo dd if=firefly-rk3288/u-boot-dtb.img of=/dev/sdc seek=16384
 
 This puts the Rockchip header and SPL image first and then places the U-Boot
-image at block 16384 (i.e. 4MB from the start of the SD card). This
+image at block 16384 (i.e. 8MB from the start of the SD card). This
 corresponds with this setting in U-Boot:
 
    #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x4000
@@ -166,7 +166,7 @@ To write an image that boots from an SD card (assumed to be /dev/mmcblk0):
    ./tools/mkimage -n rk3288 -T rksd -d ./tpl/u-boot-tpl.bin out &&
     cat ./spl/u-boot-spl-dtb.bin >> out &&
     sudo dd if=out of=/dev/mmcblk0 seek=64 &&
-    sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 seek=256
+    sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 seek=16384
 
 Booting from an SD card on RK3188
 =================================
@@ -176,17 +176,17 @@ described above, but the image creation needs a bit more care.
 
 The bootrom of rk3188 expects to find a small 1kb loader which returns
 control to the bootrom, after which it will load the real loader, which
-can then be up to 29kb in size and does the regular ddr init.
+can then be up to 29kb in size and does the regular ddr init.  This is
+handled by a single image (built as the SPL stage) that tests whether
+it is handled for the first or second time via code executed from the
+boot0-hook.
 
 Additionally the rk3188 requires everything the bootrom loads to be
 rc4-encrypted. Except for the very first stage the bootrom always reads
 and decodes 2kb pages, so files should be sized accordingly.
 
 # copy tpl, pad to 1020 bytes and append spl
-cat tpl/u-boot-tpl.bin > tplspl.bin
-truncate -s 1020 tplspl.bin
-cat spl/u-boot-spl.bin >> tplspl.bin
-tools/mkimage -n rk3188 -T rksd -d tplspl.bin out
+tools/mkimage -n rk3188 -T rksd -d spl/u-boot-spl.bin out
 
 # truncate, encode and append u-boot.bin
 truncate -s %2048 u-boot.bin