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mx28evk: Introduce a new target for saving env vars to NAND
Introduce 'mx28evk_nand' target for saving environment variables into NAND. The mx28evk board does not come with a NAND flash populated from the factory. It comes with an empty slot (U23), which allows the insertion of a 48-pin TSOP flash device. Tested with a K9LBG08U0D. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Reviewed-by: Otavio Salvador <otavio@ossystems.com.br>
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3 changed files with 50 additions and 2 deletions
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@ -196,7 +196,8 @@ mx23_olinuxino arm arm926ejs mx23_olinuxino olimex
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apx4devkit arm arm926ejs apx4devkit bluegiga mxs apx4devkit
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apx4devkit arm arm926ejs apx4devkit bluegiga mxs apx4devkit
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mx23evk arm arm926ejs mx23evk freescale mxs mx23evk
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mx23evk arm arm926ejs mx23evk freescale mxs mx23evk
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m28evk arm arm926ejs m28evk denx mxs m28evk
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m28evk arm arm926ejs m28evk denx mxs m28evk
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mx28evk arm arm926ejs mx28evk freescale mxs mx28evk
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mx28evk arm arm926ejs mx28evk freescale mxs mx28evk:ENV_IS_IN_MMC
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mx28evk_nand arm arm926ejs mx28evk freescale mxs mx28evk:ENV_IS_IN_NAND
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sc_sps_1 arm arm926ejs sc_sps_1 schulercontrol mxs
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sc_sps_1 arm arm926ejs sc_sps_1 schulercontrol mxs
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nhk8815 arm arm926ejs nhk8815 st nomadik
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nhk8815 arm arm926ejs nhk8815 st nomadik
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nhk8815_onenand arm arm926ejs nhk8815 st nomadik nhk8815:BOOT_ONENAND
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nhk8815_onenand arm arm926ejs nhk8815 st nomadik nhk8815:BOOT_ONENAND
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@ -23,6 +23,24 @@ To boot MX28EVK from an SD card, set the boot mode DIP switches as:
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* VDD 5V: To the left (off)
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* VDD 5V: To the left (off)
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* Hold Button: Down (off)
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* Hold Button: Down (off)
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Environment Storage
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-------------------
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There are two targets for mx28evk:
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"make mx28evk_config" - store enviroment variables into MMC
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or
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"make mx28evk_nand_config" - store enviroment variables into NAND flash
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Choose the target accordingly.
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Note: The mx28evk board does not come with a NAND flash populated from the
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factory. It comes with an empty slot (U23), which allows the insertion of a
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48-pin TSOP flash device.
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Follow the instructions from doc/README.mx28_common to generate a bootable SD
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Follow the instructions from doc/README.mx28_common to generate a bootable SD
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card.
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card.
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@ -62,6 +62,7 @@
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#define CONFIG_CMD_SPI
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#define CONFIG_CMD_SPI
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#define CONFIG_CMD_USB
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#define CONFIG_CMD_USB
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#define CONFIG_CMD_BOOTZ
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#define CONFIG_CMD_BOOTZ
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#define CONFIG_CMD_NAND
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/* Memory configurations */
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/* Memory configurations */
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#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
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#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
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@ -115,7 +116,6 @@
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#define CONFIG_APBH_DMA
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#define CONFIG_APBH_DMA
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/* MMC Driver */
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/* MMC Driver */
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#define CONFIG_ENV_IS_IN_MMC
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#ifdef CONFIG_ENV_IS_IN_MMC
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#ifdef CONFIG_ENV_IS_IN_MMC
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#define CONFIG_ENV_OFFSET (256 * 1024)
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#define CONFIG_ENV_OFFSET (256 * 1024)
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#define CONFIG_ENV_SIZE (16 * 1024)
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#define CONFIG_ENV_SIZE (16 * 1024)
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@ -130,11 +130,40 @@
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#endif
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#endif
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/* NAND Driver */
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/* NAND Driver */
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#define CONFIG_ENV_SIZE (16 * 1024)
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#ifdef CONFIG_CMD_NAND
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#ifdef CONFIG_CMD_NAND
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#define CONFIG_NAND_MXS
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#define CONFIG_NAND_MXS
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#define CONFIG_SYS_MAX_NAND_DEVICE 1
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#define CONFIG_SYS_MAX_NAND_DEVICE 1
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#define CONFIG_SYS_NAND_BASE 0x60000000
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#define CONFIG_SYS_NAND_BASE 0x60000000
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#define CONFIG_SYS_NAND_5_ADDR_CYCLE
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#define CONFIG_SYS_NAND_5_ADDR_CYCLE
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/* Environment is in NAND */
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#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
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#define CONFIG_ENV_SECT_SIZE (128 * 1024)
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#define CONFIG_ENV_RANGE (512 * 1024)
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#ifndef CONFIG_ENV_OFFSET
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#define CONFIG_ENV_OFFSET 0x300000
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#endif
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#define CONFIG_ENV_OFFSET_REDUND \
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(CONFIG_ENV_OFFSET + CONFIG_ENV_RANGE)
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#define CONFIG_CMD_UBI
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#define CONFIG_CMD_UBIFS
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#define CONFIG_CMD_MTDPARTS
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#define CONFIG_RBTREE
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#define CONFIG_LZO
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#define CONFIG_MTD_DEVICE
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#define CONFIG_MTD_PARTITIONS
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#define MTDIDS_DEFAULT "nand0=gpmi-nand"
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#define MTDPARTS_DEFAULT \
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"mtdparts=gpmi-nand:" \
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"3m(bootloader)ro," \
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"512k(environment)," \
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"512k(redundant-environment)," \
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"4m(kernel)," \
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"128k(fdt)," \
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"8m(ramdisk)," \
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"-(filesystem)"
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#endif
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#endif
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/* Ethernet on SOC (FEC) */
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/* Ethernet on SOC (FEC) */
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