Add support for Eukrea's CPUIMX25
This boards integrates 64mB of DDR, a 256MB NAND flash, a RMII Ethernet PHY and a i.MX257 CPU. Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
parent
8a3032fde5
commit
3466b8b2bc
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@ -61,6 +61,7 @@ board-$(CONFIG_MACH_EDB9307A) := edb93xx
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board-$(CONFIG_MACH_EDB93012) := edb93xx
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board-$(CONFIG_MACH_EDB9315) := edb93xx
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board-$(CONFIG_MACH_EDB9315A) := edb93xx
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board-$(CONFIG_MACH_EUKREA_CPUIMX25) := eukrea_cpuimx25
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board-$(CONFIG_MACH_EUKREA_CPUIMX27) := eukrea_cpuimx27
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board-$(CONFIG_MACH_FREESCALE_MX25_3STACK) := freescale-mx25-3-stack
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board-$(CONFIG_MACH_FREESCALE_MX35_3STACK) := freescale-mx35-3-stack
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@ -0,0 +1,247 @@
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#
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# Automatically generated make config: don't edit
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# barebox version: 2010.03.0
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# Fri Mar 19 11:12:11 2010
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#
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# CONFIG_BOARD_LINKER_SCRIPT is not set
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CONFIG_GENERIC_LINKER_SCRIPT=y
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CONFIG_ARM=y
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#
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# System Type
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#
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# CONFIG_ARCH_AT91 is not set
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# CONFIG_ARCH_AT91RM9200 is not set
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# CONFIG_ARCH_EP93XX is not set
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CONFIG_ARCH_IMX=y
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# CONFIG_ARCH_NETX is not set
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# CONFIG_ARCH_OMAP is not set
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# CONFIG_ARCH_S3C24xx is not set
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#
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# Processor Type
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#
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CONFIG_CPU_32=y
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CONFIG_CPU_ARM926T=y
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CONFIG_CPU_32v5=y
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#
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# processor features
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#
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CONFIG_ARCH_TEXT_BASE=0x83f00000
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CONFIG_BOARDINFO="Eukrea CPUIMX25"
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CONFIG_ARCH_HAS_FEC_IMX=y
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CONFIG_ARCH_IMX_INTERNAL_BOOT=y
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#
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# Freescale i.MX System-on-Chip
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#
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# CONFIG_ARCH_IMX1 is not set
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# CONFIG_ARCH_IMX21 is not set
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CONFIG_ARCH_IMX25=y
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# CONFIG_ARCH_IMX27 is not set
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# CONFIG_ARCH_IMX31 is not set
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# CONFIG_ARCH_IMX35 is not set
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CONFIG_MACH_EUKREA_CPUIMX25=y
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# CONFIG_MACH_FREESCALE_MX25_3STACK is not set
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#
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# Board specific settings
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#
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#
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# i.MX specific settings
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#
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# CONFIG_IMX_CLKO is not set
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# CONFIG_AEABI is not set
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#
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# Arm specific settings
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#
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CONFIG_CMD_ARM_CPUINFO=y
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CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
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CONFIG_GREGORIAN_CALENDER=y
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CONFIG_HAS_KALLSYMS=y
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CONFIG_HAS_MODULES=y
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CONFIG_CMD_MEMORY=y
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CONFIG_ENV_HANDLING=y
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CONFIG_GENERIC_GPIO=y
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#
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# General Settings
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#
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CONFIG_LOCALVERSION_AUTO=y
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#
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# memory layout
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#
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CONFIG_HAVE_MMU=y
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CONFIG_MMU=y
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CONFIG_HAVE_CONFIGURABLE_TEXT_BASE=y
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CONFIG_TEXT_BASE=0x83f00000
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CONFIG_HAVE_CONFIGURABLE_MEMORY_LAYOUT=y
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CONFIG_MEMORY_LAYOUT_DEFAULT=y
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# CONFIG_MEMORY_LAYOUT_FIXED is not set
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CONFIG_STACK_SIZE=0x8000
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CONFIG_MALLOC_SIZE=0x1000000
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# CONFIG_BROKEN is not set
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# CONFIG_EXPERIMENTAL is not set
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CONFIG_MACH_HAS_LOWLEVEL_INIT=y
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CONFIG_MACH_DO_LOWLEVEL_INIT=y
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CONFIG_PROMPT="barebox:"
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CONFIG_BAUDRATE=115200
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# CONFIG_LONGHELP is not set
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CONFIG_CBSIZE=1024
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CONFIG_MAXARGS=16
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CONFIG_SHELL_HUSH=y
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# CONFIG_SHELL_SIMPLE is not set
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CONFIG_GLOB=y
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CONFIG_PROMPT_HUSH_PS2="cpuimx25>"
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CONFIG_CMDLINE_EDITING=y
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CONFIG_AUTO_COMPLETE=y
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CONFIG_DYNAMIC_CRC_TABLE=y
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# CONFIG_ERRNO_MESSAGES is not set
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CONFIG_TIMESTAMP=y
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CONFIG_CONSOLE_FULL=y
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CONFIG_CONSOLE_ACTIVATE_FIRST=y
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# CONFIG_OF_FLAT_TREE is not set
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CONFIG_PARTITION=y
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CONFIG_DEFAULT_ENVIRONMENT=y
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CONFIG_DEFAULT_ENVIRONMENT_PATH="board/eukrea_cpuimx25/env"
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#
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# Debugging
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#
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# CONFIG_DEBUG_INFO is not set
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# CONFIG_ENABLE_FLASH_NOISE is not set
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# CONFIG_ENABLE_PARTITION_NOISE is not set
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# CONFIG_ENABLE_DEVICE_NOISE is not set
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#
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# Commands
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#
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#
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# scripting
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#
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CONFIG_CMD_EDIT=y
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CONFIG_CMD_SLEEP=y
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CONFIG_CMD_SAVEENV=y
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CONFIG_CMD_LOADENV=y
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CONFIG_CMD_EXPORT=y
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CONFIG_CMD_PRINTENV=y
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CONFIG_CMD_READLINE=y
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CONFIG_CMD_TRUE=y
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CONFIG_CMD_FALSE=y
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#
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# file commands
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#
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CONFIG_CMD_LS=y
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CONFIG_CMD_RM=y
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CONFIG_CMD_CAT=y
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CONFIG_CMD_MKDIR=y
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CONFIG_CMD_RMDIR=y
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CONFIG_CMD_CP=y
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CONFIG_CMD_PWD=y
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CONFIG_CMD_CD=y
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CONFIG_CMD_MOUNT=y
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CONFIG_CMD_UMOUNT=y
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#
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# console
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#
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CONFIG_CMD_CLEAR=y
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CONFIG_CMD_ECHO=y
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#
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# memory
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#
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# CONFIG_CMD_LOADB is not set
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CONFIG_CMD_MEMINFO=y
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CONFIG_CMD_CRC=y
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CONFIG_CMD_MTEST=y
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# CONFIG_CMD_MTEST_ALTERNATIVE is not set
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#
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# flash
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#
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CONFIG_CMD_FLASH=y
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#
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# booting
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#
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CONFIG_CMD_BOOTM=y
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# CONFIG_CMD_BOOTM_ZLIB is not set
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# CONFIG_CMD_BOOTM_BZLIB is not set
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# CONFIG_CMD_BOOTM_SHOW_TYPE is not set
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CONFIG_CMD_BOOTZ=y
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CONFIG_CMD_BOOTU=y
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# CONFIG_CMD_LINUX16 is not set
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CONFIG_CMD_RESET=y
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CONFIG_CMD_GO=y
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CONFIG_CMD_TIMEOUT=y
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CONFIG_CMD_PARTITION=y
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CONFIG_CMD_TEST=y
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CONFIG_CMD_VERSION=y
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CONFIG_CMD_HELP=y
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CONFIG_CMD_DEVINFO=y
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CONFIG_CMD_BMP=y
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CONFIG_CMD_GPIO=y
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CONFIG_NET=y
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CONFIG_NET_DHCP=y
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# CONFIG_NET_RARP is not set
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# CONFIG_NET_NFS is not set
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CONFIG_NET_PING=y
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CONFIG_NET_TFTP=y
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#
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# Drivers
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#
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#
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# serial drivers
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#
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# CONFIG_DRIVER_SERIAL_ARM_DCC is not set
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CONFIG_DRIVER_SERIAL_IMX=y
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# CONFIG_DRIVER_SERIAL_NS16550 is not set
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CONFIG_MIIPHY=y
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#
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# Network drivers
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#
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# CONFIG_DRIVER_NET_SMC911X is not set
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# CONFIG_DRIVER_NET_SMC91111 is not set
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CONFIG_DRIVER_NET_FEC_IMX=y
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#
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# SPI drivers
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#
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# CONFIG_SPI is not set
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# CONFIG_I2C is not set
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#
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# flash drivers
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#
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# CONFIG_DRIVER_CFI is not set
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CONFIG_NAND=y
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CONFIG_NAND_IMX=y
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CONFIG_NAND_IMX_BOOT=y
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# CONFIG_MTD_NAND_VERIFY_WRITE is not set
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# CONFIG_MTD_NAND_ECC_SMC is not set
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CONFIG_MTD_NAND_IDS=y
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# CONFIG_ATA is not set
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# CONFIG_USB is not set
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# CONFIG_USB_GADGET is not set
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CONFIG_VIDEO=y
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CONFIG_DRIVER_VIDEO_IMX=y
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# CONFIG_IMXFB_DRIVER_VIDEO_IMX_OVERLAY is not set
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#
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# Filesystem support
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#
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# CONFIG_FS_CRAMFS is not set
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CONFIG_FS_RAMFS=y
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CONFIG_FS_DEVFS=y
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CONFIG_CRC32=y
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# CONFIG_GENERIC_FIND_NEXT_BIT is not set
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@ -2,6 +2,7 @@ if ARCH_IMX
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config ARCH_TEXT_BASE
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hex
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default 0x83f00000 if MACH_EUKREA_CPUIMX25
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default 0xa0000000 if MACH_EUKREA_CPUIMX27
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default 0x08f00000 if MACH_MX1ADS
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default 0xc0000000 if MACH_IMX21ADS
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@ -16,6 +17,7 @@ config ARCH_TEXT_BASE
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default 0x08f80000 if MACH_SCB9328
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config BOARDINFO
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default "Eukrea CPUIMX25" if MACH_EUKREA_CPUIMX25
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default "Eukrea CPUIMX27" if MACH_EUKREA_CPUIMX27
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default "Freescale i.MX21 ADS" if MACH_IMX21ADS
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default "Freescale i.MX27 ADS" if MACH_IMX27ADS
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@ -124,6 +126,14 @@ choice
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prompt "i.MX25 Board Type"
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config MACH_EUKREA_CPUIMX25
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bool "Eukrea CPUIMX25"
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select MACH_HAS_LOWLEVEL_INIT
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select HAVE_MMU
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help
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Say Y here if you are using the Eukrea Electromatique's CPUIMX25
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equipped with a Freescale i.MX25 Processor
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config MACH_FREESCALE_MX25_3STACK
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bool "Freescale MX25 3stack"
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select HAS_CFI
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@ -0,0 +1,24 @@
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#
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# (C) 2010 Eukrea Electromatique, Eric Bénard <eric@eukrea.com>
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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obj-y += lowlevel.o
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obj-y += eukrea_cpuimx25.o
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@ -0,0 +1,27 @@
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/*
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* (c) 2010 Eukrea Electromatique, Eric Bénard <eric@eukrea.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#define CONFIG_MX25_HCLK_FREQ 24000000
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#endif
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/* nothing to do here yet */
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@ -0,0 +1,36 @@
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#!/bin/sh
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if [ -z "$part" -o -z "$image" ]; then
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echo "define \$part and \$image"
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exit 1
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fi
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if [ ! -e "$part" ]; then
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echo "Partition $part does not exist"
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exit 1
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fi
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if [ $# = 1 ]; then
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image=$1
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fi
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if [ x$ip = xdhcp ]; then
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dhcp
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fi
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ping $eth0.serverip
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if [ $? -ne 0 ] ; then
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echo "update aborted"
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exit 1
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fi
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unprotect $part
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echo
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echo "erasing partition $part"
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erase $part
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echo
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echo "flashing $image to $part"
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echo
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tftp $image $part
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@ -0,0 +1,53 @@
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#!/bin/sh
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. /env/config
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if [ x$1 = xjffS2 ]; then
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root=jffs2
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kernel=nand
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fi
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if [ x$1 = xubifs ]; then
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root=ubifs
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kernel=nand
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fi
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if [ x$1 = xnet ]; then
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root=net
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kernel=net
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fi
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if [ x$ip = xdhcp ]; then
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bootargs="$bootargs ip=dhcp"
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else
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if [ x$ip = xoff ]; then
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bootargs="$bootargs ip=off"
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else
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bootargs="$bootargs ip=$eth0.ipaddr:$eth0.serverip:$eth0.gateway:$eth0.netmask:::"
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fi
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fi
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if [ x$root = xjffs2 ]; then
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bootargs="$bootargs root=/dev/mtdblock$rootpartnum_nand rootfstype=jffs2"
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fi
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if [ x$root = xubifs ]; then
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bootargs="$bootargs root=ubi0:root ubi.mtd=$rootpartnum_nand rootfstype=ubifs"
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fi
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if [ x$root = xnet ]; then
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bootargs="$bootargs root=/dev/nfs nfsroot=$eth0.serverip:$nfsroot,v3,tcp"
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fi
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bootargs="$bootargs mtdparts=mxc_nand:$nand_parts"
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if [ $kernel = net ]; then
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if [ x$ip = xdhcp ]; then
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dhcp
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fi
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tftp $uimage uImage || exit 1
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bootm uImage
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else
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bootm /dev/nand0.kernel.bb
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fi
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@ -0,0 +1 @@
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nand -a /dev/nand0.*
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@ -0,0 +1,38 @@
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#!/bin/sh
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PATH=/env/bin
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export PATH
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. /env/config
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if [ -e /dev/nand0 ]; then
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addpart /dev/nand0 $nand_parts
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# Uh, oh, hush first expands wildcards and then starts executing
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# commands. What a bug!
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source /env/bin/hush_hack
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fi
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||||
if [ -f /env/logo.bmp ]; then
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bmp /env/logo.bmp
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fi
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if [ -z $eth0.ethaddr ]; then
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while [ -z $eth0.ethaddr ]; do
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readline "no MAC address set for eth0. please enter the one found on your board: " eth0.ethaddr
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done
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echo -a /env/config "eth0.ethaddr=$eth0.ethaddr"
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saveenv
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fi
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echo
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echo -n "Hit any key to stop autoboot: "
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timeout -a $autoboot_timeout
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if [ $? != 0 ]; then
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echo
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echo "type update_kernel [<imagename>] to update kernel into flash"
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echo "type update_root [<imagename>] to update rootfs into flash"
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echo
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exit
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fi
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boot
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@ -0,0 +1,8 @@
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#!/bin/sh
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. /env/config
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image=$uimage
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part=/dev/nand0.kernel.bb
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. /env/bin/_update $1
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@ -0,0 +1,8 @@
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#!/bin/sh
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. /env/config
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image=$rootfs
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part=/dev/nand0.root.bb
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||||
. /env/bin/_update $1
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@ -0,0 +1,26 @@
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#!/bin/sh
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# can be either 'net' or 'jffs2' or 'ubifs'
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kernel=nand
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root=jffs2
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||||
basedir=cpuimx25
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uimage=$basedir/uImage
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rootfs=$basedir/rootfs
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||||
autoboot_timeout=1
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||||
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||||
nfsroot=""
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bootargs="console=ttymxc0,115200"
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|
||||
nand_parts="256k(barebox)ro,128k(bareboxenv),2176k(kernel),-(root)"
|
||||
rootpartnum_nand=3
|
||||
|
||||
# use 'dhcp' to do dhcp in barebox and in kernel
|
||||
ip=dhcp
|
||||
|
||||
# or set your networking parameters here
|
||||
#eth0.ipaddr=a.b.c.d
|
||||
#eth0.netmask=a.b.c.d
|
||||
#eth0.gateway=a.b.c.d
|
||||
eth0.serverip=192.168.1.15
|
|
@ -0,0 +1,275 @@
|
|||
/*
|
||||
* (C) 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
|
||||
* (c) 2010 Eukrea Electromatique, Eric Bénard <eric@eukrea.com>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <init.h>
|
||||
#include <driver.h>
|
||||
#include <environment.h>
|
||||
#include <mach/imx-regs.h>
|
||||
#include <asm/armlinux.h>
|
||||
#include <mach/gpio.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/mmu.h>
|
||||
|
||||
#include <partition.h>
|
||||
#include <asm/mach-types.h>
|
||||
#include <mach/imx-nand.h>
|
||||
#include <mach/imxfb.h>
|
||||
#include <fec.h>
|
||||
#include <nand.h>
|
||||
#include <mach/imx-flash-header.h>
|
||||
#include <mach/iomux-mx25.h>
|
||||
|
||||
extern unsigned long _stext;
|
||||
|
||||
void __naked __flash_header_start go(void)
|
||||
{
|
||||
__asm__ __volatile__("b exception_vectors\n");
|
||||
}
|
||||
|
||||
struct imx_dcd_entry __dcd_entry_0x400 dcd_entry[] = {
|
||||
{ .ptr_type = 4, .addr = 0xb8001010, .val = 0x00000004, },
|
||||
{ .ptr_type = 4, .addr = 0xb8001000, .val = 0x92100000, },
|
||||
{ .ptr_type = 1, .addr = 0x80000400, .val = 0x12344321, },
|
||||
{ .ptr_type = 4, .addr = 0xb8001000, .val = 0xa2100000, },
|
||||
{ .ptr_type = 4, .addr = 0x80000000, .val = 0x12344321, },
|
||||
{ .ptr_type = 4, .addr = 0x80000000, .val = 0x12344321, },
|
||||
{ .ptr_type = 4, .addr = 0xb8001000, .val = 0xb2100000, },
|
||||
{ .ptr_type = 1, .addr = 0x80000033, .val = 0xda, },
|
||||
{ .ptr_type = 1, .addr = 0x81000000, .val = 0xff, },
|
||||
{ .ptr_type = 4, .addr = 0xb8001000, .val = 0x82216080, },
|
||||
{ .ptr_type = 4, .addr = 0xb8001004, .val = 0x00295729, },
|
||||
{ .ptr_type = 4, .addr = 0x53f80008, .val = 0x20034000, },
|
||||
};
|
||||
|
||||
#define APP_DEST 0x80000000
|
||||
|
||||
struct imx_flash_header __flash_header_0x400 eukrea_cpuimx25_header = {
|
||||
.app_code_jump_vector = TEXT_BASE + 0x2000,
|
||||
.app_code_barker = APP_CODE_BARKER,
|
||||
.app_code_csf = 0,
|
||||
.dcd_ptr_ptr = TEXT_BASE + 0x400 + offsetof(struct imx_flash_header, dcd),
|
||||
.super_root_key = 0,
|
||||
.dcd = TEXT_BASE + 0x400 + offsetof(struct imx_flash_header, dcd_barker),
|
||||
.app_dest = TEXT_BASE,
|
||||
.dcd_barker = DCD_BARKER,
|
||||
.dcd_block_len = sizeof(dcd_entry),
|
||||
};
|
||||
|
||||
extern unsigned long __bss_start;
|
||||
|
||||
unsigned long __image_len_0x400 barebox_len = 0x40000;
|
||||
|
||||
static struct fec_platform_data fec_info = {
|
||||
.xcv_type = RMII,
|
||||
.phy_addr = 1,
|
||||
};
|
||||
|
||||
static struct device_d fec_dev = {
|
||||
.name = "fec_imx",
|
||||
.map_base = IMX_FEC_BASE,
|
||||
.platform_data = &fec_info,
|
||||
};
|
||||
|
||||
static struct memory_platform_data sdram_pdata = {
|
||||
.name = "ram0",
|
||||
.flags = DEVFS_RDWR,
|
||||
};
|
||||
|
||||
static struct device_d sdram0_dev = {
|
||||
.name = "mem",
|
||||
.map_base = IMX_SDRAM_CS0,
|
||||
.size = 64 * 1024 * 1024,
|
||||
.platform_data = &sdram_pdata,
|
||||
};
|
||||
|
||||
struct imx_nand_platform_data nand_info = {
|
||||
.width = 1,
|
||||
.hw_ecc = 1,
|
||||
};
|
||||
|
||||
static struct device_d nand_dev = {
|
||||
.name = "imx_nand",
|
||||
.map_base = IMX_NFC_BASE,
|
||||
.platform_data = &nand_info,
|
||||
};
|
||||
|
||||
static struct imx_fb_videomode imxfb_mode = {
|
||||
.mode = {
|
||||
.name = "CMO-QVGA",
|
||||
.refresh = 60,
|
||||
.xres = 320,
|
||||
.yres = 240,
|
||||
.pixclock = KHZ2PICOS(6500),
|
||||
.hsync_len = 30,
|
||||
.left_margin = 38,
|
||||
.right_margin = 20,
|
||||
.vsync_len = 3,
|
||||
.upper_margin = 15,
|
||||
.lower_margin = 4,
|
||||
},
|
||||
.pcr = 0xCAD08B80,
|
||||
.bpp = 16,
|
||||
};
|
||||
|
||||
static struct imx_fb_platform_data eukrea_cpuimx25_fb_data = {
|
||||
.mode = &imxfb_mode,
|
||||
.pwmr = 0x00A903FF,
|
||||
.lscr1 = 0x00120300,
|
||||
.dmacr = 0x80040060,
|
||||
};
|
||||
|
||||
|
||||
static struct device_d imxfb_dev = {
|
||||
.name = "imxfb",
|
||||
.map_base = 0x53fbc000,
|
||||
.size = 0x1000,
|
||||
.platform_data = &eukrea_cpuimx25_fb_data,
|
||||
};
|
||||
|
||||
#ifdef CONFIG_MMU
|
||||
static void eukrea_cpuimx25_mmu_init(void)
|
||||
{
|
||||
mmu_init();
|
||||
|
||||
arm_create_section(0x80000000, 0x80000000, 128, PMD_SECT_DEF_CACHED);
|
||||
arm_create_section(0x90000000, 0x80000000, 128, PMD_SECT_DEF_UNCACHED);
|
||||
|
||||
setup_dma_coherent(0x10000000);
|
||||
|
||||
mmu_enable();
|
||||
}
|
||||
#else
|
||||
static void eukrea_cpuimx25_mmu_init(void)
|
||||
{
|
||||
}
|
||||
#endif
|
||||
|
||||
static struct pad_desc eukrea_cpuimx25_pads[] = {
|
||||
MX25_PAD_FEC_MDC__MDC,
|
||||
MX25_PAD_FEC_MDIO__MDIO,
|
||||
MX25_PAD_FEC_RDATA0__RDATA0,
|
||||
MX25_PAD_FEC_RDATA1__RDATA1,
|
||||
MX25_PAD_FEC_RX_DV__RX_DV,
|
||||
MX25_PAD_FEC_TDATA0__TDATA0,
|
||||
MX25_PAD_FEC_TDATA1__TDATA1,
|
||||
MX25_PAD_FEC_TX_CLK__TX_CLK,
|
||||
MX25_PAD_FEC_TX_EN__TX_EN,
|
||||
/* UART1 */
|
||||
MX25_PAD_UART1_RXD__RXD_MUX,
|
||||
MX25_PAD_UART1_TXD__TXD_MUX,
|
||||
MX25_PAD_UART1_RTS__RTS,
|
||||
MX25_PAD_UART1_CTS__CTS,
|
||||
/* LCDC */
|
||||
MX25_PAD_LD0__LCDC_LD0,
|
||||
MX25_PAD_LD1__LCDC_LD1,
|
||||
MX25_PAD_LD2__LCDC_LD2,
|
||||
MX25_PAD_LD3__LCDC_LD3,
|
||||
MX25_PAD_LD4__LCDC_LD4,
|
||||
MX25_PAD_LD5__LCDC_LD5,
|
||||
MX25_PAD_LD6__LCDC_LD6,
|
||||
MX25_PAD_LD7__LCDC_LD7,
|
||||
MX25_PAD_LD8__LCDC_LD8,
|
||||
MX25_PAD_LD9__LCDC_LD9,
|
||||
MX25_PAD_LD10__LCDC_LD10,
|
||||
MX25_PAD_LD11__LCDC_LD11,
|
||||
MX25_PAD_LD12__LCDC_LD12,
|
||||
MX25_PAD_LD13__LCDC_LD13,
|
||||
MX25_PAD_LD14__LCDC_LD14,
|
||||
MX25_PAD_LD15__LCDC_LD15,
|
||||
MX25_PAD_GPIO_E__LCDC_LD16,
|
||||
MX25_PAD_GPIO_F__LCDC_LD17,
|
||||
MX25_PAD_LSCLK__LCDC_LSCLK,
|
||||
MX25_PAD_OE_ACD__LCDC_OE_ACD,
|
||||
MX25_PAD_VSYNC__LCDC_VSYN,
|
||||
MX25_PAD_HSYNC__LCDC_HSYN,
|
||||
/* BACKLIGHT CONTROL */
|
||||
MX25_PAD_PWM__GPIO26,
|
||||
};
|
||||
|
||||
static int eukrea_cpuimx25_devices_init(void)
|
||||
{
|
||||
eukrea_cpuimx25_mmu_init();
|
||||
|
||||
mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx25_pads,
|
||||
ARRAY_SIZE(eukrea_cpuimx25_pads));
|
||||
register_device(&fec_dev);
|
||||
|
||||
nand_info.width = 1;
|
||||
register_device(&nand_dev);
|
||||
|
||||
devfs_add_partition("nand0", 0x00000, 0x40000,
|
||||
PARTITION_FIXED, "self_raw");
|
||||
dev_add_bb_dev("self_raw", "self0");
|
||||
|
||||
devfs_add_partition("nand0", 0x40000, 0x40000,
|
||||
PARTITION_FIXED, "env_raw");
|
||||
dev_add_bb_dev("env_raw", "env0");
|
||||
|
||||
register_device(&sdram0_dev);
|
||||
|
||||
/* enable LCD */
|
||||
gpio_direction_output(26, 1);
|
||||
gpio_set_value(26, 1);
|
||||
|
||||
register_device(&imxfb_dev);
|
||||
|
||||
armlinux_add_dram(&sdram0_dev);
|
||||
armlinux_set_bootparams((void *)0x80000100);
|
||||
armlinux_set_architecture(MACH_TYPE_MX25_3DS);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
device_initcall(eukrea_cpuimx25_devices_init);
|
||||
|
||||
static struct device_d eukrea_cpuimx25_serial_device = {
|
||||
.name = "imx_serial",
|
||||
.map_base = IMX_UART1_BASE,
|
||||
.size = 16 * 1024,
|
||||
};
|
||||
|
||||
static int eukrea_cpuimx25_console_init(void)
|
||||
{
|
||||
writel(0x03010101, IMX_CCM_BASE + CCM_PCDR3);
|
||||
register_device(&eukrea_cpuimx25_serial_device);
|
||||
return 0;
|
||||
}
|
||||
|
||||
console_initcall(eukrea_cpuimx25_console_init);
|
||||
|
||||
#ifdef CONFIG_NAND_IMX_BOOT
|
||||
void __bare_init nand_boot(void)
|
||||
{
|
||||
imx_nand_load_image((void *)TEXT_BASE, 256 * 1024);
|
||||
}
|
||||
#endif
|
||||
|
||||
static int eukrea_cpuimx25_core_setup(void)
|
||||
{
|
||||
writel(0x01010103, IMX_CCM_BASE + CCM_PCDR2);
|
||||
return 0;
|
||||
|
||||
}
|
||||
core_initcall(eukrea_cpuimx25_core_setup);
|
|
@ -0,0 +1,130 @@
|
|||
/*
|
||||
*
|
||||
* (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
|
||||
* (c) 2010 Eukrea Electromatique, Eric Bénard <eric@eukrea.com>
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <common.h>
|
||||
#include <init.h>
|
||||
#include <mach/imx-regs.h>
|
||||
#include <mach/imx-pll.h>
|
||||
#include <mach/esdctl.h>
|
||||
#include <asm/cache-l2x0.h>
|
||||
#include <asm/io.h>
|
||||
#include <mach/imx-nand.h>
|
||||
#include <asm/barebox-arm.h>
|
||||
#include <asm-generic/memory_layout.h>
|
||||
#include <asm/system.h>
|
||||
|
||||
static void __bare_init __naked insdram(void)
|
||||
{
|
||||
uint32_t r;
|
||||
|
||||
/* setup a stack to be able to call imx_nand_load_image() */
|
||||
r = STACK_BASE + STACK_SIZE - 12;
|
||||
__asm__ __volatile__("mov sp, %0" : : "r"(r));
|
||||
|
||||
imx_nand_load_image((void *)TEXT_BASE, 256 * 1024);
|
||||
|
||||
board_init_lowlevel_return();
|
||||
}
|
||||
|
||||
#define MX25_CCM_MCR 0x64
|
||||
#define MX25_CCM_CGR0 0x0c
|
||||
#define MX25_CCM_CGR1 0x10
|
||||
#define MX25_CCM_CGR2 0x14
|
||||
|
||||
void __bare_init __naked board_init_lowlevel(void)
|
||||
{
|
||||
uint32_t r;
|
||||
unsigned int *trg, *src;
|
||||
int i;
|
||||
|
||||
/* AIPS setup - Only setup MPROTx registers. The PACR default values are good.
|
||||
* Set all MPROTx to be non-bufferable, trusted for R/W,
|
||||
* not forced to user-mode.
|
||||
*/
|
||||
writel(0x77777777, 0x43f00000);
|
||||
writel(0x77777777, 0x43f00004);
|
||||
writel(0x77777777, 0x53f00000);
|
||||
writel(0x77777777, 0x53f00004);
|
||||
|
||||
/* MAX (Multi-Layer AHB Crossbar Switch) setup
|
||||
* MPR - priority for MX25 is (SDHC2/SDMA)>USBOTG>RTIC>IAHB>DAHB
|
||||
*/
|
||||
writel(0x00002143, 0x43f04000);
|
||||
writel(0x00002143, 0x43f04100);
|
||||
writel(0x00002143, 0x43f04200);
|
||||
writel(0x00002143, 0x43f04300);
|
||||
writel(0x00002143, 0x43f04400);
|
||||
/* SGPCR - always park on last master */
|
||||
writel(0x10, 0x43f04010);
|
||||
writel(0x10, 0x43f04110);
|
||||
writel(0x10, 0x43f04210);
|
||||
writel(0x10, 0x43f04310);
|
||||
writel(0x10, 0x43f04410);
|
||||
/* MGPCR - restore default values */
|
||||
writel(0x0, 0x43f04800);
|
||||
writel(0x0, 0x43f04900);
|
||||
writel(0x0, 0x43f04a00);
|
||||
writel(0x0, 0x43f04b00);
|
||||
writel(0x0, 0x43f04c00);
|
||||
|
||||
/* Configure M3IF registers
|
||||
* M3IF Control Register (M3IFCTL) for MX25
|
||||
* MRRP[0] = LCDC on priority list (1 << 0) = 0x00000001
|
||||
* MRRP[1] = MAX1 not on priority list (0 << 1) = 0x00000000
|
||||
* MRRP[2] = MAX0 not on priority list (0 << 2) = 0x00000000
|
||||
* MRRP[3] = USB HOST not on priority list (0 << 3) = 0x00000000
|
||||
* MRRP[4] = SDMA not on priority list (0 << 4) = 0x00000000
|
||||
* MRRP[5] = SD/ATA/FEC not on priority list (0 << 5) = 0x00000000
|
||||
* MRRP[6] = SCMFBC not on priority list (0 << 6) = 0x00000000
|
||||
* MRRP[7] = CSI not on priority list (0 << 7) = 0x00000000
|
||||
* ----------
|
||||
* 0x00000001
|
||||
*/
|
||||
writel(0x1, 0xb8003000);
|
||||
|
||||
/* enable all the clocks */
|
||||
writel(0x038A81A2, IMX_CCM_BASE + MX25_CCM_CGR0);
|
||||
writel(0x24788F00, IMX_CCM_BASE + MX25_CCM_CGR1);
|
||||
writel(0x00004438, IMX_CCM_BASE + MX25_CCM_CGR2);
|
||||
writel(0x00, IMX_CCM_BASE + MX25_CCM_MCR);
|
||||
|
||||
#ifdef CONFIG_NAND_IMX_BOOT
|
||||
/* skip NAND boot if not running from NFC space */
|
||||
r = get_pc();
|
||||
if (r < IMX_NFC_BASE || r > IMX_NFC_BASE + 0x1000)
|
||||
board_init_lowlevel_return();
|
||||
|
||||
src = (unsigned int *)IMX_NFC_BASE;
|
||||
trg = (unsigned int *)TEXT_BASE;
|
||||
|
||||
/* Move ourselves out of NFC SRAM */
|
||||
for (i = 0; i < 0x1000 / sizeof(int); i++)
|
||||
*trg++ = *src++;
|
||||
|
||||
/* Jump to SDRAM */
|
||||
r = (unsigned int)&insdram;
|
||||
__asm__ __volatile__("mov pc, %0" : : "r"(r));
|
||||
#else
|
||||
board_init_lowlevel_return();
|
||||
#endif
|
||||
}
|
Loading…
Reference in New Issue