X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=README;h=a13705ae7a846bc5d7f51a21e21f81c4fc87810e;hb=440873dfc44eec4f92c482068c8be4c9f900032f;hp=168d824955edff967be61dcd0aaa8f2ec491eb56;hpb=6f43ba70d15e15a08c25b3d956c70addb6740737;p=oweals%2Fu-boot.git diff --git a/README b/README index 168d824955..a13705ae7a 100644 --- a/README +++ b/README @@ -705,6 +705,7 @@ The following options need to be configured: CONFIG_ARM_ERRATA_454179 CONFIG_ARM_ERRATA_621766 CONFIG_ARM_ERRATA_798870 + CONFIG_ARM_ERRATA_801819 - Tegra SoC options: CONFIG_TEGRA_SUPPORT_NON_SECURE @@ -839,18 +840,6 @@ The following options need to be configured: define this to a list of base addresses for each (supported) port. See e.g. include/configs/versatile.h - CONFIG_PL011_SERIAL_RLCR - - Some vendor versions of PL011 serial ports (e.g. ST-Ericsson U8500) - have separate receive and transmit line control registers. Set - this variable to initialize the extra register. - - CONFIG_PL011_SERIAL_FLUSH_ON_INIT - - On some platforms (e.g. U8500) U-Boot is loaded by a second stage - 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. @@ -1381,9 +1370,6 @@ The following options need to be configured: Management command for E1000 devices. When used on devices with SPI support you can reprogram the EEPROM from U-Boot. - CONFIG_E1000_FALLBACK_MAC - default MAC for empty EEPROM after production. - CONFIG_EEPRO100 Support for Intel 82557/82559/82559ER chips. Optional CONFIG_EEPRO100_SROM_WRITE enables EEPROM @@ -1496,12 +1482,6 @@ The following options need to be configured: Support for i2c bus TPM devices. Only one device per system is supported at this time. - CONFIG_TPM_TIS_I2C_BUS_NUMBER - Define the the i2c bus number for the TPM device - - CONFIG_TPM_TIS_I2C_SLAVE_ADDRESS - Define the TPM's address on the i2c bus - CONFIG_TPM_TIS_I2C_BURST_LIMITATION Define the burst count bytes upper limit @@ -1671,7 +1651,7 @@ The following options need to be configured: key for the Replay Protection Memory Block partition in eMMC. - USB Device Firmware Update (DFU) class support: - CONFIG_DFU_FUNCTION + CONFIG_USB_FUNCTION_DFU This enables the USB portion of the DFU USB class CONFIG_CMD_DFU @@ -1716,6 +1696,9 @@ The following options need to be configured: sending again an USB request to the device. - USB Device Android Fastboot support: + CONFIG_USB_FUNCTION_FASTBOOT + This enables the USB part of the fastboot gadget + CONFIG_CMD_FASTBOOT This enables the command "fastboot" which enables the Android fastboot mode for the platform's USB device. Fastboot is a USB @@ -1727,12 +1710,12 @@ The following options need to be configured: This enables support for booting images which use the Android image format header. - CONFIG_USB_FASTBOOT_BUF_ADDR + CONFIG_FASTBOOT_BUF_ADDR The fastboot protocol requires a large memory buffer for downloads. Define this to the starting RAM address to use for downloaded images. - CONFIG_USB_FASTBOOT_BUF_SIZE + CONFIG_FASTBOOT_BUF_SIZE The fastboot protocol requires a large memory buffer for downloads. This buffer should be as large as possible for a platform. Define this to the size available RAM for fastboot. @@ -3079,26 +3062,12 @@ CBFS (Coreboot Filesystem) support Define this option to include a destructive SPI flash test ('sf test'). - CONFIG_SPI_FLASH_BAR Ban/Extended Addr Reg - - Define this option to use the Bank addr/Extended addr - support on SPI flashes which has size > 16Mbytes. - CONFIG_SF_DUAL_FLASH Dual flash memories Define this option to use dual flash support where two flash memories can be connected with a given cs line. Currently Xilinx Zynq qspi supports these type of connections. - CONFIG_SPI_FLASH_MTD spi-flash MTD layer - - Define this option to use mtd support for spi flash layer, this - adapter is for translating mtd_read/mtd_write commands into - spi_flash_read/spi_flash_write commands. It is not intended to - use it within sf_cmd or the SPI flash subsystem. Such an adapter - is needed for subsystems like UBI which can only operate on top - of the MTD layer. - - SystemACE Support: CONFIG_SYSTEMACE @@ -5077,6 +5046,33 @@ within that device. normal addressable memory via the LBC. CONFIG_SYS_LS_MC_FW_ADDR is the virtual address in NOR flash. +Freescale Layerscape Debug Server Support: +------------------------------------------- +The Freescale Layerscape Debug Server Support supports the loading of +"Debug Server firmware" and triggering SP boot-rom. +This firmware often needs to be loaded during U-Boot booting. + +- CONFIG_FSL_DEBUG_SERVER + Enable the Debug Server for Layerscape SoCs. + +- CONFIG_SYS_DEBUG_SERVER_DRAM_BLOCK_MIN_SIZE + Define minimum DDR size required for debug server image + +- CONFIG_SYS_MEM_TOP_HIDE_MIN + Define minimum DDR size to be hided from top of the DDR memory + +Reproducible builds +------------------- + +In order to achieve reproducible builds, timestamps used in the U-Boot build +process have to be set to a fixed value. + +This is done using the SOURCE_DATE_EPOCH environment variable. +SOURCE_DATE_EPOCH is to be set on the build host's shell, not as a configuration +option for U-Boot or an environment variable in U-Boot. + +SOURCE_DATE_EPOCH should be set to a number of seconds since the epoch, in UTC. + Building the Software: ======================