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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR03MB2691 Cc: Raghav Dogra Subject: [U-Boot] [PATCH 2/2] armv8: ls2085a: Update README file for NAND boot X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Update README file to note LS2088A and LS1088A don't support booting from NAND flash. Signed-off-by: York Sun --- arch/arm/cpu/armv8/fsl-layerscape/doc/README.lsch3 | 8 +++++--- 1 file 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 025a1b7..6c98d99 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 200000 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 80000 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.