X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=README;h=8e934604cf605f18ac9999f178e6bd407ad3289d;hb=e63168a9ffae18f807f59925bb5d9d4623633e46;hp=09822a317da8da4e71f8af460b1d305af4bcd9cd;hpb=d1e15041abf3ccd38169ae7aa8736f78200f8ee3;p=oweals%2Fu-boot.git diff --git a/README b/README index 09822a317d..8e934604cf 100644 --- a/README +++ b/README @@ -528,25 +528,6 @@ The following options need to be configured: pointer. This is needed for the temporary stack before relocation. - CONFIG_SYS_MIPS_CACHE_MODE - - Cache operation mode for the MIPS CPU. - See also arch/mips/include/asm/mipsregs.h. - Possible values are: - CONF_CM_CACHABLE_NO_WA - CONF_CM_CACHABLE_WA - CONF_CM_UNCACHED - CONF_CM_CACHABLE_NONCOHERENT - CONF_CM_CACHABLE_CE - CONF_CM_CACHABLE_COW - CONF_CM_CACHABLE_CUW - CONF_CM_CACHABLE_ACCELERATED - - CONFIG_SYS_XWAY_EBU_BOOTCFG - - Special option for Lantiq XWAY SoCs for booting from NOR flash. - See also arch/mips/cpu/mips32/start.S. - CONFIG_XWAY_SWAP_BYTES Enable compilation of tools/xway-swap-bytes needed for Lantiq @@ -706,22 +687,6 @@ The following options need to be configured: as a convenience, when switching between booting from RAM and NFS. -- Pre-Boot Commands: - CONFIG_PREBOOT - - When this option is #defined, the existence of the - environment variable "preboot" will be checked - immediately before starting the CONFIG_BOOTDELAY - countdown and/or running the auto-boot command resp. - entering interactive mode. - - This feature is especially useful when "preboot" is - automatically generated or modified. For an example - see the LWMON board specific code: here "preboot" is - modified when the user holds down a certain - combination of keys on the (special) keyboard when - booting the systems - - Serial Download Echo Mode: CONFIG_LOADS_ECHO If defined to 1, all characters received during a @@ -802,9 +767,6 @@ The following options need to be configured: SoC, then define this variable and provide board specific code for the "hw_watchdog_reset" function. - CONFIG_AT91_HW_WDT_TIMEOUT - specify the timeout in seconds. default 2 seconds. - - Real-Time Clock: When CONFIG_CMD_DATE is selected, the type of the RTC @@ -1158,16 +1120,10 @@ The following options need to be configured: CONFIG_SH_MMCIF_CLK Define the clock frequency for MMCIF - CONFIG_SUPPORT_EMMC_BOOT - Enable some additional features of the eMMC boot partitions. - - USB Device Firmware Update (DFU) class support: CONFIG_DFU_OVER_USB This enables the USB portion of the DFU USB class - CONFIG_DFU_MMC - This enables support for exposing (e)MMC devices via DFU. - CONFIG_DFU_NAND This enables support for exposing NAND devices via DFU. @@ -1448,15 +1404,6 @@ The following options need to be configured: forwarded through a router. (Environment variable "netmask") -- Multicast TFTP Mode: - CONFIG_MCAST_TFTP - - Defines whether you want to support multicast TFTP as per - rfc-2090; for example to work with atftp. Lets lots of targets - tftp down the same boot image concurrently. Note: the Ethernet - driver in use must provide a function: mcast() to join/leave a - multicast group. - - BOOTP Recovery Mode: CONFIG_BOOTP_RANDOM_DELAY @@ -1727,11 +1674,6 @@ The following options need to be configured: - CONFIG_SYS_OMAP24_I2C_SPEED4 speed channel 4 - CONFIG_SYS_OMAP24_I2C_SLAVE4 slave addr channel 4 - - drivers/i2c/zynq_i2c.c - - activate this driver with CONFIG_SYS_I2C_ZYNQ - - set CONFIG_SYS_I2C_ZYNQ_SPEED for speed setting - - set CONFIG_SYS_I2C_ZYNQ_SLAVE for slave addr - - drivers/i2c/s3c24x0_i2c.c: - activate this driver with CONFIG_SYS_I2C_S3C24X0 - This driver adds i2c buses (11 for Exynos5250, Exynos5420 @@ -1951,14 +1893,6 @@ The following options need to be configured: SPI configuration items (port pins to use, etc). For an example, see include/configs/sacsng.h. - CONFIG_HARD_SPI - - Enables a hardware SPI driver for general-purpose reads - and writes. As with CONFIG_SOFT_SPI, the board configuration - must define a list of chip-select function pointers. - Currently supported on some MPC8xxx processors. For an - example, see include/configs/mpc8349emds.h. - CONFIG_SYS_SPI_MXC_WAIT Timeout for waiting until spi transfer completed. default: (CONFIG_SYS_HZ/100) /* 10 ms */ @@ -2025,13 +1959,6 @@ The following options need to be configured: 200 ms. - Configuration Management: - CONFIG_BUILD_TARGET - - Some SoCs need special image types (e.g. U-Boot binary - with a special header) as build targets. By defining - CONFIG_BUILD_TARGET in the SoC / board header, this - special image will be automatically built upon calling - make / buildman. CONFIG_IDENT_STRING @@ -2197,21 +2124,6 @@ The following options need to be configured: this is instead controlled by the value of /config/load-environment. -- Serial Flash support - Usage requires an initial 'sf probe' to define the serial - flash parameters, followed by read/write/erase/update - commands. - - The following defaults may be provided by the platform - to handle the common case when only a single serial - flash is present on the system. - - CONFIG_SF_DEFAULT_BUS Bus identifier - CONFIG_SF_DEFAULT_CS Chip-select - CONFIG_SF_DEFAULT_MODE (see include/spi.h) - CONFIG_SF_DEFAULT_SPEED in Hz - - - TFTP Fixed UDP Port: CONFIG_TFTP_PORT @@ -2508,9 +2420,6 @@ FIT uImage format: When defined, the linker checks that the actual size does not exceed it. - CONFIG_SPL_TEXT_BASE - TEXT_BASE for linking the SPL binary. - CONFIG_SPL_RELOC_TEXT_BASE Address to relocate to. If unspecified, this is equal to CONFIG_SPL_TEXT_BASE (i.e. no relocation is done). @@ -3256,8 +3165,8 @@ Low Level (hardware related) configuration options: a 16 bit bus. Not all NAND drivers use this symbol. Example of drivers that use it: - - drivers/mtd/nand/ndfc.c - - drivers/mtd/nand/mxc_nand.c + - drivers/mtd/nand/raw/ndfc.c + - drivers/mtd/nand/raw/mxc_nand.c - CONFIG_SYS_NDFC_EBC0_CFG Sets the EBC0_CFG register for the NDFC. If not defined @@ -3374,7 +3283,7 @@ Low Level (hardware related) configuration options: - CONFIG_SYS_NAND_NO_SUBPAGE_WRITE Option to disable subpage write in NAND driver driver that uses this: - drivers/mtd/nand/davinci_nand.c + drivers/mtd/nand/raw/davinci_nand.c Freescale QE/FMAN Firmware Support: -----------------------------------