diff options
| author | York Sun <york.sun@nxp.com> | 2017-12-07 14:37:40 -0800 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-12-18 08:25:07 -0800 |
| commit | f440aba172c3b1107176d59f9cd0d7b209afc0a8 (patch) | |
| tree | 464eb094e0c946f6a9e70eac34be59b16ceb5d00 /arch/arm/cpu/armv8/fsl-layerscape/doc | |
| parent | 63143a5f92f45457f75ba94f886a2bea74ddfff3 (diff) | |
armv8: ls2085a: Update README file for NAND boot
Update README file to note LS2088A and LS1088A don't support booting
from NAND flash.
Signed-off-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/doc')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch3 | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch3 b/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch3 index 025a1b7b2e..6c98d99d0c 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch3 +++ b/arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch3 @@ -154,8 +154,8 @@ Booting from NAND ------------------- Booting from NAND requires two images, RCW and u-boot-with-spl.bin. The difference between NAND boot RCW image and NOR boot image is the PBI -command sequence. Below is one example for PBI commands for QDS which uses -NAND device with 2KB/page, block size 128KB. +command sequence. Below is one example for PBI commands for LS2085AQDS which +uses NAND device with 2KB/page, block size 128KB. 1) CCSR 4-byte write to 0x00e00404, data=0x00000000 2) CCSR 4-byte write to 0x00e00400, data=0x1800a000 @@ -188,7 +188,7 @@ nand write <u-boot image in memory> 200000 <size of u-boot image> With these two images in NAND device, the board can boot from NAND. -Another example for RDB boards, +Another example for LS2085ARDB boards, 1) CCSR 4-byte write to 0x00e00404, data=0x00000000 2) CCSR 4-byte write to 0x00e00400, data=0x1800a000 @@ -201,6 +201,8 @@ nand write <u-boot image in memory> 80000 <size of u-boot image> Notice the difference from QDS is SRC, SRC_ADDR and the offset of u-boot image to match board NAND device with 4KB/page, block size 512KB. +Note, LS2088A and LS1088A don't support booting from NAND. + Booting from SD/eMMC ------------------- Booting from SD/eMMC requires two images, RCW and u-boot-with-spl.bin. |