X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=README;h=06f3ed057d5ed24fa24b7c3ebdccb07a55665048;hb=f7d5dffc65c1fdb1d1e4a69606a428ef62cfcdf5;hp=1b31d0e58f5fe2910ad9fa536cc3710974df604e;hpb=48f6232e5897ff1002f2a5a929425da1968ac487;p=people%2Fms%2Fu-boot.git diff --git a/README b/README index 1b31d0e58f..06f3ed057d 100644 --- a/README +++ b/README @@ -312,6 +312,19 @@ Many of the options are named exactly as the corresponding Linux kernel configuration options. The intention is to make it easier to build a config tool - later. +- ARM Platform Bus Type(CCI): + CoreLink Cache Coherent Interconnect (CCI) is ARM BUS which + provides full cache coherency between two clusters of multi-core + CPUs and I/O coherency for devices and I/O masters + + CONFIG_SYS_FSL_HAS_CCI400 + + Defined For SoC that has cache coherent interconnect + CCN-400 + + CONFIG_SYS_FSL_HAS_CCN504 + + Defined for SoC that has cache coherent interconnect CCN-504 The following options need to be configured: @@ -776,7 +789,7 @@ The following options need to be configured: binary in its image. This device tree file should be in the board directory and called -.dts. The binary file is then picked up in board_init_f() and made available through - the global data structure as gd->blob. + the global data structure as gd->fdt_blob. CONFIG_OF_SEPARATE If this variable is defined, U-Boot will build a device tree @@ -1015,21 +1028,6 @@ The following options need to be configured: control registers. This behavior won't affect the correctnessof 10/100 link speed update. - CONFIG_SMC911X - Support for SMSC's LAN911x and LAN921x chips - - CONFIG_SMC911X_BASE - Define this to hold the physical address - of the device (I/O space) - - CONFIG_SMC911X_32_BIT - Define this if data bus is 32 bits - - CONFIG_SMC911X_16_BIT - Define this if data bus is 16 bits. If your processor - automatically converts one 32 bit word to two 16 bit - words you may also try CONFIG_SMC911X_32_BIT. - CONFIG_SH_ETHER Support for Renesas on-chip Ethernet controller @@ -1605,6 +1603,15 @@ The following options need to be configured: See doc/README.link-local for more information. + - MAC address from environment variables + + FDT_SEQ_MACADDR_FROM_ENV + + Fix-up device tree with MAC addresses fetched sequentially from + environment variables. This config work on assumption that + non-usable ethernet node of device-tree are either not present + or their status has been marked as "disabled". + - CDP Options: CONFIG_CDP_DEVICE_ID @@ -2170,16 +2177,6 @@ The following options need to be configured: currently only supports clearing the memory. - Error Recovery: - CONFIG_PANIC_HANG - - Define this variable to stop the system in case of a - fatal error, so that you have to reset it manually. - This is probably NOT a good idea for an embedded - system where you want the system to reboot - automatically as fast as possible, but it may be - useful during development since you can try to debug - the conditions that lead to the situation. - CONFIG_NET_RETRY_COUNT This variable defines the number of retries for @@ -2299,13 +2296,6 @@ The following options need to be configured: this is instead controlled by the value of /config/load-environment. -- DataFlash Support: - CONFIG_HAS_DATAFLASH - - Defining this option enables DataFlash features and - allows to read/write in Dataflash via the standard - commands cp, md... - - Serial Flash support Usage requires an initial 'sf probe' to define the serial flash parameters, followed by read/write/erase/update @@ -2371,6 +2361,13 @@ The following options need to be configured: CONFIG_SYS_BOOTCOUNT_ADDR = i2c addr which is used for the bootcounter. CONFIG_BOOTCOUNT_ALEN = address len + CONFIG_BOOTCOUNT_EXT + enable support for the bootcounter in EXT filesystem + CONFIG_SYS_BOOTCOUNT_ADDR = RAM address used for read + and write. + CONFIG_SYS_BOOTCOUNT_EXT_INTERFACE = interface + CONFIG_SYS_BOOTCOUNT_EXT_DEVPART = device and part + CONFIG_SYS_BOOTCOUNT_EXT_NAME = filename - Show boot progress: CONFIG_SHOW_BOOT_PROGRESS @@ -2835,10 +2832,6 @@ FIT uImage format: Define this if you need to first read the OOB and then the data. This is used, for example, on davinci platforms. - CONFIG_SPL_OMAP3_ID_NAND - Support for an OMAP3-specific set of functions to return the - ID and MFR of the first attached NAND chip, if present. - CONFIG_SPL_RAM_DEVICE Support for running image already present in ram, in SPL binary @@ -5132,8 +5125,9 @@ Coding Standards: ----------------- All contributions to U-Boot should conform to the Linux kernel -coding style; see the file "Documentation/CodingStyle" and the script -"scripts/Lindent" in your Linux kernel source directory. +coding style; see the kernel coding style guide at +https://www.kernel.org/doc/html/latest/process/coding-style.html, and the +script "scripts/Lindent" in your Linux kernel source directory. Source files originating from a different project (for example the MTD subsystem) are generally exempt from these guidelines and are not @@ -5165,7 +5159,7 @@ may be rejected, even when they contain important and valuable stuff. Please see http://www.denx.de/wiki/U-Boot/Patches for details. Patches shall be sent to the u-boot mailing list ; -see http://lists.denx.de/mailman/listinfo/u-boot +see https://lists.denx.de/listinfo/u-boot When you send a patch, please include the following information with it: