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imx6: isiotmx6ul: Add nandboot env support 

Add config options for booting Linux from NAND in UBI format.

Cc: Stefano Babic <sbabic@denx.de>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Jagan Teki 2017-02-24 15:33:00 +05:30 committed by Stefano Babic
parent 6788a7e4e9
commit 949cfefbdd
2 changed files with 32 additions and 1 deletions
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1
configs/imx6ul_isiot_nand_defconfig
View File

@ -21,6 +21,7 @@ CONFIG_SYS_PROMPT="isiotmx6ul> "
CONFIG_CMD_MEMTEST=y
CONFIG_CMD_MMC=y
CONFIG_CMD_NAND=y
CONFIG_CMD_UBI=y
CONFIG_CMD_GPIO=y
CONFIG_CMD_MII=y
CONFIG_CMD_PING=y

32
include/configs/imx6ul_isiot.h
View File

@ -48,9 +48,12 @@
"mmcdev=0\0" \
"mmcpart=1\0" \
"mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
"nandroot=ubi0:rootfs rootfstype=ubifs\0" \
"mmcautodetect=yes\0" \
"mmcargs=setenv bootargs console=${console},${baudrate} " \
"root=${mmcroot}\0" \
"ubiargs=setenv bootargs console=${console},${baudrate} " \
"ubi.mtd=5 root=${nandroot} ${mtdparts}\0" \
"loadbootscript=" \
"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
"bootscript=echo Running bootscript from mmc ...; " \
@ -75,8 +78,21 @@
"fi; " \
"else " \
"bootm; " \
"fi\0"
"fi\0" \
"nandboot=echo Booting from nand ...; " \
"if mtdparts; then " \
"echo Starting nand boot ...; " \
"else " \
"mtdparts default; " \
"fi; " \
"run ubiargs; " \
"nand read ${loadaddr} kernel 0x800000; " \
"nand read ${fdt_addr} dtb 0x100000; " \
"bootm ${loadaddr} - ${fdt_addr}\0"
#ifdef CONFIG_NAND_MXS
# define CONFIG_BOOTCOMMAND "run nandboot"
#else
# define CONFIG_BOOTCOMMAND \
"if mmc rescan; then " \
"if run loadbootscript; then " \
@ -91,6 +107,7 @@
"fi; " \
"fi; " \
"fi"
#endif
/* Miscellaneous configurable options */
#define CONFIG_SYS_MEMTEST_START 0x80000000
@ -141,6 +158,19 @@
# define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
# define CONFIG_SYS_NAND_U_BOOT_OFFS 0x200000
/* MTD device */
# define CONFIG_MTD_DEVICE
# define CONFIG_CMD_MTDPARTS
# define CONFIG_MTD_PARTITIONS
# define MTDIDS_DEFAULT "nand0=gpmi-nand"
# define MTDPARTS_DEFAULT "mtdparts=gpmi-nand:2m(spl),2m(uboot)," \
"1m(env),8m(kernel),1m(dtb),-(rootfs)"
/* UBI */
# define CONFIG_CMD_UBIFS
# define CONFIG_RBTREE
# define CONFIG_LZO
/* APBH DMA */
# define CONFIG_APBH_DMA
# define CONFIG_APBH_DMA_BURST