From mboxrd@z Thu Jan  1 00:00:00 1970
From: matti kaasinen <matti.kaasinen@gmail.com>
Date: Thu, 5 Jan 2017 12:09:26 +0200
Subject: [U-Boot] am335x board i2c_probe fails from nand boot
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FIXME!! Pretty much everything I claim below is wrong and am335x_evm.h
correct.
Only the last notice is not totally wrong as space reserver for
NAND.u-boot-spl-os is not 0x2000.

2017-01-04 9:33 GMT+02:00 matti kaasinen <matti.kaasinen@gmail.com>:

> I noticed some nand related values that I'm not sure if they are correct.
> I get following nand partition listed from mmc boot:
> [    1.230539] Creating 10 MTD partitions on "8000000.nand":
> [    1.236229] 0x000000000000-0x000000020000 : "NAND.SPL"
> [    1.243121] 0x000000020000-0x000000040000 : "NAND.SPL.backup1"
> [    1.250614] 0x000000040000-0x000000060000 : "NAND.SPL.backup2"
> [    1.258121] 0x000000060000-0x000000080000 : "NAND.SPL.backup3"
> [    1.265515] 0x000000080000-0x0000000c0000 : "NAND.u-boot-spl-os"
> [    1.273167] 0x0000000c0000-0x0000001c0000 : "NAND.u-boot"
> [    1.280890] 0x0000001c0000-0x0000001e0000 : "NAND.u-boot-env"
> [    1.288255] 0x0000001e0000-0x000000200000 : "NAND.u-boot-env.backup1"
> [    1.296430] 0x000000200000-0x000000a00000 : "NAND.kernel"
> [    1.309941] 0x000000a00000-0x000010000000 : "NAND.file-system"
>
> In am335x_evm.h there are following definitions:
> #define CONFIG_SYS_NAND_U_BOOT_OFFS    0x000c0000
> So, this is pointing to NAND.u-boot-spl-os, i.e os parameters in nand, not
> u-boot
>
> #define CONFIG_CMD_SPL_NAND_OFS    0x00080000 /* os parameters */
> This is pointing to NAND.SPL.backup3
>
> #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS    0x00200000 /* kernel offset */
> This is pointing to NAND.u-boot-env.backup1, not kernel
>
> #define CONFIG_CMD_SPL_WRITE_SIZE    0x2000
> 0x2000 does not match with 0x80000 that is reserved for NAND.u-boot-spl-os
> partition.
>