[PATCH 0/4] imx8mn_bsh_smm_s2: fix NAND booting
The series contains all the patches required by the BSH smm s2 board for booting from NAND and properly mounting the UBI rootfs.
Dario Binacchi (4): configs: imx8mn_bsh_smm_s2: add NAND driver configs: imx8mn_bsh_smm_s2: add UBI commands configs: imx8mn_bsh_smm_s2: remove console from bootargs configs: imx8mn_bsh_smm_s2: add mtdparts to bootargs
configs/imx8mn_bsh_smm_s2_defconfig | 6 ++++++ include/configs/imx8mn_bsh_smm_s2.h | 3 ++- 2 files changed, 8 insertions(+), 1 deletion(-)
It allows to boot from NAND.
Co-developed-by: Michael Trimarchi michael@amarulasolutions.com Signed-off-by: Michael Trimarchi michael@amarulasolutions.com Signed-off-by: Dario Binacchi dario.binacchi@amarulasolutions.com ---
configs/imx8mn_bsh_smm_s2_defconfig | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/configs/imx8mn_bsh_smm_s2_defconfig b/configs/imx8mn_bsh_smm_s2_defconfig index 49f425300151..08f52e50609b 100644 --- a/configs/imx8mn_bsh_smm_s2_defconfig +++ b/configs/imx8mn_bsh_smm_s2_defconfig @@ -30,8 +30,10 @@ CONFIG_SPL_BOARD_INIT=y CONFIG_SPL_BOOTROM_SUPPORT=y CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x300 +CONFIG_SPL_DMA=y CONFIG_SPL_I2C=y CONFIG_SPL_MTD_SUPPORT=y +CONFIG_SPL_NAND_SUPPORT=y CONFIG_SPL_POWER=y CONFIG_SPL_WATCHDOG=y CONFIG_SYS_PROMPT="> " @@ -65,6 +67,9 @@ CONFIG_SYS_NAND_USE_FLASH_BBT=y CONFIG_NAND_MXS=y CONFIG_NAND_MXS_DT=y CONFIG_SYS_NAND_ONFI_DETECTION=y +CONFIG_SYS_NAND_U_BOOT_LOCATIONS=y +CONFIG_SYS_NAND_U_BOOT_OFFS=0xD8000 +CONFIG_SYS_NAND_U_BOOT_OFFS_REDUND=0x4058000 CONFIG_PHYLIB=y CONFIG_PHY_NXP_TJA11XX=y CONFIG_DM_ETH=y
imx8mn_bsh_smm_s2 uses ubifs rootfs, UBI commands are required to flash it.
Co-developed-by: Michael Trimarchi michael@amarulasolutions.com Signed-off-by: Michael Trimarchi michael@amarulasolutions.com Signed-off-by: Dario Binacchi dario.binacchi@amarulasolutions.com ---
configs/imx8mn_bsh_smm_s2_defconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/configs/imx8mn_bsh_smm_s2_defconfig b/configs/imx8mn_bsh_smm_s2_defconfig index 08f52e50609b..f8c75a2b237e 100644 --- a/configs/imx8mn_bsh_smm_s2_defconfig +++ b/configs/imx8mn_bsh_smm_s2_defconfig @@ -43,6 +43,7 @@ CONFIG_CMD_USB_MASS_STORAGE=y CONFIG_CMD_MTDPARTS=y CONFIG_MTDIDS_DEFAULT="nand0=gpmi-nand" CONFIG_MTDPARTS_DEFAULT="gpmi-nand:64m(nandboot),16m(nandfit),32m(nandkernel),1m(nanddtb),8m(nandtee),-(nandrootfs)" +CONFIG_CMD_UBI=y CONFIG_OF_CONTROL=y CONFIG_SPL_OF_CONTROL=y CONFIG_SYS_RELOC_GD_ENV_ADDR=y
The Linux kernel device tree already specifies the device to be used for boot console output with a stdout-path property under /chosen.
Co-developed-by: Michael Trimarchi michael@amarulasolutions.com Signed-off-by: Michael Trimarchi michael@amarulasolutions.com Signed-off-by: Dario Binacchi dario.binacchi@amarulasolutions.com ---
include/configs/imx8mn_bsh_smm_s2.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/configs/imx8mn_bsh_smm_s2.h b/include/configs/imx8mn_bsh_smm_s2.h index 098f23b206d1..1eff8c43701c 100644 --- a/include/configs/imx8mn_bsh_smm_s2.h +++ b/include/configs/imx8mn_bsh_smm_s2.h @@ -16,7 +16,7 @@ #define NANDARGS \ "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ - "nandargs=setenv bootargs console=${console} " \ + "nandargs=setenv bootargs " \ "${optargs} " \ "root=${nandroot} " \ "rootfstype=${nandrootfstype}\0" \
Passing the mtdparts environment variable to the Linux kernel is required to properly mount the UBI rootfs.
Co-developed-by: Michael Trimarchi michael@amarulasolutions.com Signed-off-by: Michael Trimarchi michael@amarulasolutions.com Signed-off-by: Dario Binacchi dario.binacchi@amarulasolutions.com
---
include/configs/imx8mn_bsh_smm_s2.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/include/configs/imx8mn_bsh_smm_s2.h b/include/configs/imx8mn_bsh_smm_s2.h index 1eff8c43701c..d09c2ab01610 100644 --- a/include/configs/imx8mn_bsh_smm_s2.h +++ b/include/configs/imx8mn_bsh_smm_s2.h @@ -18,6 +18,7 @@ "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ "nandargs=setenv bootargs " \ "${optargs} " \ + "mtdparts=${mtdparts} " \ "root=${nandroot} " \ "rootfstype=${nandrootfstype}\0" \ "nandroot=ubi0:root rw ubi.mtd=nandrootfs\0" \
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Dario Binacchi