From: Jagan Teki jagan@amarulasolutions.com
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 --- configs/imx6ul_isiot_nand_defconfig | 1 + include/configs/imx6ul_isiot.h | 32 +++++++++++++++++++++++++++++++- 2 files changed, 32 insertions(+), 1 deletion(-)
diff --git a/configs/imx6ul_isiot_nand_defconfig b/configs/imx6ul_isiot_nand_defconfig index 745d10d..bc99d7d 100644 --- a/configs/imx6ul_isiot_nand_defconfig +++ b/configs/imx6ul_isiot_nand_defconfig @@ -24,6 +24,7 @@ CONFIG_CMD_MII=y CONFIG_CMD_PING=y CONFIG_CMD_MMC=y CONFIG_CMD_NAND=y +CONFIG_CMD_UBI=y CONFIG_CMD_CACHE=y CONFIG_CMD_EXT2=y CONFIG_CMD_EXT4=y diff --git a/include/configs/imx6ul_isiot.h b/include/configs/imx6ul_isiot.h index b137848..10311d0 100644 --- a/include/configs/imx6ul_isiot.h +++ b/include/configs/imx6ul_isiot.h @@ -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