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Diffstat (limited to 'README')
| -rw-r--r-- | README | 34 |
1 files changed, 34 insertions, 0 deletions
@@ -264,6 +264,17 @@ e.g. "make cogent_mpc8xx_config". And also configure the cogent directory according to the instructions in cogent/README. +Sandbox Environment: +-------------------- + +U-Boot can be built natively to run on a Linux host using the 'sandbox' +board. This allows feature development which is not board- or architecture- +specific to be undertaken on a native platform. The sandbox is also used to +run some of U-Boot's tests. + +See board/sandbox/sandbox/README.sandbox for more details. + + Configuration Options: ---------------------- @@ -440,6 +451,12 @@ The following options need to be configured: supported, core will start to execute uboot when wakes up. - Generic CPU options: + CONFIG_SYS_GENERIC_GLOBAL_DATA + Defines global data is initialized in generic board board_init_f(). + If this macro is defined, global data is created and cleared in + generic board board_init_f(). Without this macro, architecture/board + should initialize global data before calling board_init_f(). + CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN Defines the endianess of the CPU. Implementation of those @@ -740,6 +757,10 @@ The following options need to be configured: boot loader that has already initialized the UART. Define this variable to flush the UART at init time. + CONFIG_SERIAL_HW_FLOW_CONTROL + + Define this variable to enable hw flow control in serial driver. + Current user of this option is drivers/serial/nsl16550.c driver - Console Interface: Depending on board, define exactly one serial port @@ -3297,6 +3318,10 @@ FIT uImage format: supports MMC, NAND and YMODEM loading of U-Boot and NAND NAND loading of the Linux Kernel. + CONFIG_SPL_OS_BOOT + Enable booting directly to an OS from SPL. + See also: doc/README.falcon + CONFIG_SPL_DISPLAY_PRINT For ARM, enable an optional function to print more information about the running system. @@ -3372,6 +3397,10 @@ FIT uImage format: Support for NAND boot using simple NAND drivers that expose the cmd_ctrl() interface. + CONFIG_SPL_MTD_SUPPORT + Support for the MTD subsystem within SPL. Useful for + environment on NAND support within SPL. + CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT Set for the SPL on PPC mpc8xxx targets, support for drivers/ddr/fsl/libddr.o in SPL binary. @@ -4534,6 +4563,11 @@ Low Level (hardware related) configuration options: - CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC: Enables the RTC32K OSC on AM33xx based plattforms +- CONFIG_SYS_NAND_NO_SUBPAGE_WRITE + Option to disable subpage write in NAND driver + driver that uses this: + drivers/mtd/nand/davinci_nand.c + Freescale QE/FMAN Firmware Support: ----------------------------------- |