X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=README;h=d18df54ec9a14d662f4a6495b45aa92c61aa9962;hb=29155e735203b28951d0e836f13773defa6e6118;hp=119bbc994d22db4dc544f16544be622d55d5d2eb;hpb=9bea236b3402a262772b66d055ec6431cbd3ba87;p=u-boot diff --git a/README b/README index 119bbc994d..d18df54ec9 100644 --- a/README +++ b/README @@ -681,8 +681,10 @@ The following options need to be configured: CONFIG_ARM_ERRATA_742230 CONFIG_ARM_ERRATA_743622 CONFIG_ARM_ERRATA_751472 - CONFIG_ARM_ERRATA_794072 CONFIG_ARM_ERRATA_761320 + CONFIG_ARM_ERRATA_773022 + CONFIG_ARM_ERRATA_774769 + CONFIG_ARM_ERRATA_794072 If set, the workarounds for these ARM errata are applied early during U-Boot startup. Note that these options force the @@ -705,6 +707,7 @@ 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 @@ -793,18 +796,10 @@ The following options need to be configured: - vxWorks boot parameters: bootvx constructs a valid bootline using the following - environments variables: bootfile, ipaddr, serverip, hostname. + environments variables: bootdev, bootfile, ipaddr, netmask, + serverip, gatewayip, hostname, othbootargs. It loads the vxWorks image pointed bootfile. - CONFIG_SYS_VXWORKS_BOOT_DEVICE - The vxworks device name - CONFIG_SYS_VXWORKS_MAC_PTR - Ethernet 6 byte MA -address - CONFIG_SYS_VXWORKS_SERVERNAME - Name of the server - CONFIG_SYS_VXWORKS_BOOT_ADDR - Address of boot parameters - - CONFIG_SYS_VXWORKS_ADD_PARAMS - - Add it at the end of the bootline. E.g "u=username pw=secret" - Note: If a "bootargs" environment is defined, it will overwride the defaults discussed just above. @@ -839,18 +834,6 @@ 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. @@ -977,8 +960,6 @@ The following options need to be configured: CONFIG_AUTOBOOT_PROMPT CONFIG_AUTOBOOT_DELAY_STR CONFIG_AUTOBOOT_STOP_STR - CONFIG_AUTOBOOT_DELAY_STR2 - CONFIG_AUTOBOOT_STOP_STR2 CONFIG_ZERO_BOOTDELAY_CHECK CONFIG_RESET_TO_RETRY @@ -1050,9 +1031,7 @@ The following options need to be configured: Monitor commands can be included or excluded from the build by using the #include files and #undef'ing unwanted - commands, or using - and augmenting with additional #define's - for wanted commands. + commands, or adding #define's for wanted commands. The default command configuration includes all commands except those marked below with a "*". @@ -1385,9 +1364,6 @@ 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 @@ -1500,12 +1476,6 @@ 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 @@ -1675,7 +1645,7 @@ 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 @@ -1720,6 +1690,9 @@ 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 @@ -1731,12 +1704,12 @@ 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. @@ -2380,16 +2353,20 @@ CBFS (Coreboot Filesystem) support - drivers/i2c/i2c_mxc.c - activate this driver with CONFIG_SYS_I2C_MXC + - enable bus 1 with CONFIG_SYS_I2C_MXC_I2C1 + - enable bus 2 with CONFIG_SYS_I2C_MXC_I2C2 + - enable bus 3 with CONFIG_SYS_I2C_MXC_I2C3 + - enable bus 4 with CONFIG_SYS_I2C_MXC_I2C4 - define speed for bus 1 with CONFIG_SYS_MXC_I2C1_SPEED - define slave for bus 1 with CONFIG_SYS_MXC_I2C1_SLAVE - define speed for bus 2 with CONFIG_SYS_MXC_I2C2_SPEED - define slave for bus 2 with CONFIG_SYS_MXC_I2C2_SLAVE - define speed for bus 3 with CONFIG_SYS_MXC_I2C3_SPEED - define slave for bus 3 with CONFIG_SYS_MXC_I2C3_SLAVE + - define speed for bus 4 with CONFIG_SYS_MXC_I2C4_SPEED + - define slave for bus 4 with CONFIG_SYS_MXC_I2C4_SLAVE If those defines are not set, default value is 100000 for speed, and 0 for slave. - - enable bus 3 with CONFIG_SYS_I2C_MXC_I2C3 - - enable bus 4 with CONFIG_SYS_I2C_MXC_I2C4 - drivers/i2c/rcar_i2c.c: - activate this driver with CONFIG_SYS_I2C_RCAR @@ -3039,6 +3016,19 @@ CBFS (Coreboot Filesystem) support this is instead controlled by the value of /config/load-environment. +- Parallel Flash support: + CONFIG_SYS_NO_FLASH + + Traditionally U-boot was run on systems with parallel NOR + flash. This option is used to disable support for parallel NOR + flash. This option should be defined if the board does not have + parallel flash. + + If this option is not defined one of the generic flash drivers + (e.g. CONFIG_FLASH_CFI_DRIVER or CONFIG_ST_SMI) must be + selected or the board must provide an implementation of the + flash API (see include/flash.h). + - DataFlash Support: CONFIG_HAS_DATAFLASH @@ -3070,11 +3060,6 @@ 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 @@ -5059,6 +5044,33 @@ 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: ======================