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imx: mx7dsabresd: add command and macros for boot m4 core
Introduce macros and command to support booting M4 core for i.MX7D SabreSD board. Signed-off-by: Ye.Li <ye.li@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
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1 changed files with 24 additions and 0 deletions
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@ -57,6 +57,29 @@
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#define CONFIG_SUPPORT_EMMC_BOOT /* eMMC specific */
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#define CONFIG_SYS_MMC_IMG_LOAD_PART 1
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#ifdef CONFIG_IMX_BOOTAUX
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/* Set to QSPI1 A flash at default */
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#define CONFIG_SYS_AUXCORE_BOOTDATA 0x60000000
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#define CONFIG_CMD_SETEXPR
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#define UPDATE_M4_ENV \
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"m4image=m4_qspi.bin\0" \
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"loadm4image=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${m4image}\0" \
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"update_m4_from_sd=" \
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"if sf probe 0:0; then " \
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"if run loadm4image; then " \
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"setexpr fw_sz ${filesize} + 0xffff; " \
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"setexpr fw_sz ${fw_sz} / 0x10000; " \
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"setexpr fw_sz ${fw_sz} * 0x10000; " \
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"sf erase 0x0 ${fw_sz}; " \
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"sf write ${loadaddr} 0x0 ${filesize}; " \
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"fi; " \
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"fi\0" \
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"m4boot=sf probe 0:0; bootaux "__stringify(CONFIG_SYS_AUXCORE_BOOTDATA)"\0"
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#else
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#define UPDATE_M4_ENV ""
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#endif
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#define CONFIG_MFG_ENV_SETTINGS \
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"mfgtool_args=setenv bootargs console=${console},${baudrate} " \
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"rdinit=/linuxrc " \
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@ -76,6 +99,7 @@
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"rootfs part 0 2\0" \
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#define CONFIG_EXTRA_ENV_SETTINGS \
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UPDATE_M4_ENV \
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CONFIG_MFG_ENV_SETTINGS \
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CONFIG_DFU_ENV_SETTINGS \
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"script=boot.scr\0" \
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