X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=README;h=5980f6da85c6f5699ba27003b72a1c0dbeb7b343;hb=24b11ff594cba6f75eef0a2b921affa2ebf3bc69;hp=e290619a64e1ea4c20f1334b957efa2a03bf4744;hpb=01052b5c3249faa4f0315580279e0a95bdf2a63c;p=karo-tx-uboot.git diff --git a/README b/README index e290619a64..5980f6da85 100644 --- a/README +++ b/README @@ -702,6 +702,7 @@ The following options need to be configured: do have ability to provide rudimentary version and machine specific checks, but expect no product checks. CONFIG_ARM_ERRATA_798870 + CONFIG_ARM_ERRATA_801819 - Tegra SoC options: CONFIG_TEGRA_SUPPORT_NON_SECURE @@ -1491,9 +1492,6 @@ 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 @@ -1606,12 +1604,6 @@ 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 @@ -1840,12 +1832,12 @@ 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. @@ -5202,6 +5194,18 @@ This firmware often needs to be loaded during U-Boot booting. - 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: ======================