X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=README;h=aa907ced8a0a3484acdf9458acdc99816822f87c;hb=fbaa266230872c4ea4ab5dff8f0b0f8b80417092;hp=0bd6e6cb92601de3d733f7337d3847f034bb437a;hpb=d0cf5512e9747f6e370c1c682c0f60474b5ca8e9;p=u-boot diff --git a/README b/README index 0bd6e6cb92..aa907ced8a 100644 --- a/README +++ b/README @@ -376,15 +376,6 @@ The following options need to be configured: Defines the string to utilize when trying to match PCIe device tree nodes for the given platform. - CONFIG_SYS_PPC_E500_DEBUG_TLB - - Enables a temporary TLB entry to be used during boot to work - around limitations in e500v1 and e500v2 external debugger - support. This reduces the portions of the boot code where - breakpoints and single stepping do not work. The value of this - symbol should be set to the TLB1 entry to be used for this - purpose. - CONFIG_SYS_FSL_ERRATUM_A004510 Enables a workaround for erratum A004510. If set, @@ -513,6 +504,12 @@ The following options need to be configured: CONFIG_SYS_FSL_IFC_LE Defines the IFC controller register space as Little Endian + CONFIG_SYS_FSL_IFC_CLK_DIV + Defines divider of platform clock(clock input to IFC controller). + + CONFIG_SYS_FSL_LBC_CLK_DIV + Defines divider of platform clock(clock input to eLBC controller). + CONFIG_SYS_FSL_PBL_PBI It enables addition of RCW (Power on reset configuration) in built image. Please refer doc/README.pblimage for more details @@ -595,29 +592,6 @@ The following options need to be configured: Select high exception vectors of the ARM core, e.g., do not clear the V bit of the c1 register of CP15. - CONFIG_SYS_THUMB_BUILD - - Use this flag to build U-Boot using the Thumb instruction - set for ARM architectures. Thumb instruction set provides - better code density. For ARM architectures that support - Thumb2 this flag will result in Thumb2 code generated by - GCC. - - CONFIG_ARM_ERRATA_716044 - CONFIG_ARM_ERRATA_742230 - CONFIG_ARM_ERRATA_743622 - CONFIG_ARM_ERRATA_751472 - 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 - workarounds to be applied; no CPU-type/version detection - exists, unlike the similar options in the Linux kernel. Do not - set these options unless they apply! - COUNTER_FREQUENCY Generic timer clock source frequency. @@ -626,15 +600,6 @@ The following options need to be configured: different from COUNTER_FREQUENCY, and can only be determined at run time. - NOTE: The following can be machine specific errata. These - do have ability to provide rudimentary version and machine - specific checks, but expect no product checks. - CONFIG_ARM_ERRATA_430973 - CONFIG_ARM_ERRATA_454179 - CONFIG_ARM_ERRATA_621766 - CONFIG_ARM_ERRATA_798870 - CONFIG_ARM_ERRATA_801819 - - Tegra SoC options: CONFIG_TEGRA_SUPPORT_NON_SECURE @@ -1466,9 +1431,6 @@ The following options need to be configured: CONFIG_SH_MMCIF_CLK Define the clock frequency for MMCIF - CONFIG_GENERIC_MMC - Enable the generic MMC driver - CONFIG_SUPPORT_EMMC_BOOT Enable some additional features of the eMMC boot partitions. @@ -1777,12 +1739,6 @@ The following options need to be configured: can be displayed via the splashscreen support or the bmp command. -- Do compressing for memory range: - CONFIG_CMD_ZIP - - If this option is set, it would use zlib deflate method - to compress the specified memory at its best effort. - - Compression support: CONFIG_GZIP @@ -2042,7 +1998,7 @@ The following options need to be configured: A byte containing the id of the VLAN. -- Status LED: CONFIG_STATUS_LED +- Status LED: CONFIG_LED_STATUS Several configurations allow to display the current status using a LED. For instance, the LED will blink @@ -2050,15 +2006,15 @@ The following options need to be configured: soon as a reply to a BOOTP request was received, and start blinking slow once the Linux kernel is running (supported by a status LED driver in the Linux - kernel). Defining CONFIG_STATUS_LED enables this + kernel). Defining CONFIG_LED_STATUS enables this feature in U-Boot. Additional options: - CONFIG_GPIO_LED + CONFIG_LED_STATUS_GPIO The status LED can be connected to a GPIO pin. In such cases, the gpio_led driver can be used as a - status LED backend implementation. Define CONFIG_GPIO_LED + status LED backend implementation. Define CONFIG_LED_STATUS_GPIO to include the gpio_led driver in the U-Boot binary. CONFIG_GPIO_LED_INVERTED_TABLE @@ -2792,19 +2748,6 @@ The following options need to be configured: 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 @@ -3304,10 +3247,6 @@ FIT uImage format: consider that a completely unreadable NAND block is bad, and thus should be skipped silently. - CONFIG_SPL_ABORT_ON_RAW_IMAGE - When defined, SPL will proceed to another boot method - if the image it has loaded does not have a signature. - CONFIG_SPL_RELOC_STACK Adress of the start of the stack SPL will use after relocation. If unspecified, this is equal to