From patchwork Mon Jan 6 08:04:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 239132 List-Id: U-Boot discussion From: peng.fan at nxp.com (Peng Fan) Date: Mon, 6 Jan 2020 08:04:31 +0000 Subject: [PATCH 1/3] imx8mn: evk: add README Message-ID: <20200106082403.26268-1-peng.fan@nxp.com> Add a README for users to build a workable image. Signed-off-by: Peng Fan --- board/freescale/imx8mn_evk/README | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 board/freescale/imx8mn_evk/README diff --git a/board/freescale/imx8mn_evk/README b/board/freescale/imx8mn_evk/README new file mode 100644 index 0000000000..12754c7999 --- /dev/null +++ b/board/freescale/imx8mn_evk/README @@ -0,0 +1,37 @@ +U-Boot for the NXP i.MX8MM EVK board + +Quick Start +=========== +- Build the ARM Trusted firmware binary +- Get ddr firmware +- Build U-Boot +- Boot + +Get and Build the ARM Trusted firmware +====================================== +Note: srctree is U-Boot source directory +Get ATF from: https://source.codeaurora.org/external/imx/imx-atf +branch: imx_4.19.35_1.1.0 +$ make PLAT=imx8mn bl31 +$ cp build/imx8mn/release/bl31.bin $(srctree) + +Get the ddr firmware +============================= +$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.0.bin +$ chmod +x firmware-imx-8.0.bin +$ ./firmware-imx-8.0 +$ cp firmware-imx-8.0/firmware/ddr/synopsys/ddr4*.bin $(srctree) + +Build U-Boot +============ +$ export CROSS_COMPILE=aarch64-poky-linux- +$ make imx8mn_ddr4_evk_defconfig +$ export ATF_LOAD_ADDR=0x960000 +$ make flash.bin + +Burn the flash.bin to MicroSD card offset 32KB +$sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32 + +Boot +==== +Set Boot switch to SD boot From patchwork Mon Jan 6 08:04:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 239134 List-Id: U-Boot discussion From: peng.fan at nxp.com (Peng Fan) Date: Mon, 6 Jan 2020 08:04:33 +0000 Subject: [PATCH 2/3] imx: imx8mn_evk: add board_mmc_get_env_dev In-Reply-To: <20200106082403.26268-1-peng.fan@nxp.com> References: <20200106082403.26268-1-peng.fan@nxp.com> Message-ID: <20200106082403.26268-2-peng.fan@nxp.com> Add board_mmc_get_env_dev, otherwise, Loading Environment from MMC... MMC Device 0 not found *** Warning - No MMC card found, using default environment Signed-off-by: Peng Fan --- board/freescale/imx8mn_evk/imx8mn_evk.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/board/freescale/imx8mn_evk/imx8mn_evk.c b/board/freescale/imx8mn_evk/imx8mn_evk.c index b22a2a6bd1..4f33c0e7c9 100644 --- a/board/freescale/imx8mn_evk/imx8mn_evk.c +++ b/board/freescale/imx8mn_evk/imx8mn_evk.c @@ -19,6 +19,11 @@ int board_init(void) return 0; } +int board_mmc_get_env_dev(int devno) +{ + return devno; +} + int board_late_init(void) { #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG From patchwork Mon Jan 6 08:04:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 239133 List-Id: U-Boot discussion From: peng.fan at nxp.com (Peng Fan) Date: Mon, 6 Jan 2020 08:04:35 +0000 Subject: [PATCH 3/3] imx: imx8mn: enable CONFIG_CMD_ERASEENV In-Reply-To: <20200106082403.26268-1-peng.fan@nxp.com> References: <20200106082403.26268-1-peng.fan@nxp.com> Message-ID: <20200106082403.26268-3-peng.fan@nxp.com> enable CONFIG_CMD_ERASEENV to make it easy to erase env. Use savedefconfig to generate new defconfig. Signed-off-by: Peng Fan --- configs/imx8mn_ddr4_evk_defconfig | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/configs/imx8mn_ddr4_evk_defconfig b/configs/imx8mn_ddr4_evk_defconfig index 50b03d0763..a63177e99d 100644 --- a/configs/imx8mn_ddr4_evk_defconfig +++ b/configs/imx8mn_ddr4_evk_defconfig @@ -7,12 +7,15 @@ CONFIG_SPL_GPIO_SUPPORT=y CONFIG_SPL_LIBCOMMON_SUPPORT=y CONFIG_SPL_LIBGENERIC_SUPPORT=y CONFIG_SYS_MALLOC_F_LEN=0x10000 +CONFIG_SYS_I2C_MXC_I2C1=y +CONFIG_SYS_I2C_MXC_I2C2=y +CONFIG_SYS_I2C_MXC_I2C3=y +CONFIG_ENV_SIZE=0x1000 +CONFIG_ENV_OFFSET=0x400000 CONFIG_TARGET_IMX8MN_EVK=y CONFIG_SPL_MMC_SUPPORT=y CONFIG_SPL_SERIAL_SUPPORT=y CONFIG_SPL_DRIVERS_MISC_SUPPORT=y -CONFIG_ENV_SIZE=0x1000 -CONFIG_ENV_OFFSET=0x400000 CONFIG_SPL=y CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000 CONFIG_SPL_TEXT_BASE=0x912000 @@ -32,6 +35,7 @@ CONFIG_HUSH_PARSER=y CONFIG_SYS_PROMPT="u-boot=> " # CONFIG_CMD_EXPORTENV is not set # CONFIG_CMD_IMPORTENV is not set +CONFIG_CMD_ERASEENV=y # CONFIG_CMD_CRC32 is not set CONFIG_CMD_CLK=y CONFIG_CMD_FUSE=y @@ -59,9 +63,6 @@ CONFIG_DM_GPIO=y CONFIG_MXC_GPIO=y CONFIG_DM_I2C=y CONFIG_SYS_I2C_MXC=y -CONFIG_SYS_I2C_MXC_I2C1=y -CONFIG_SYS_I2C_MXC_I2C2=y -CONFIG_SYS_I2C_MXC_I2C3=y CONFIG_DM_MMC=y CONFIG_SUPPORT_EMMC_BOOT=y CONFIG_FSL_ESDHC_IMX=y