X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=README;h=78173e2d867054bfeb02438550da166d000912fb;hb=d7f53065d9193407a95af412393c9b11709fe231;hp=9fda38109de737c51b25cbefca338bda8a7a6604;hpb=1c40707e3fd791457e07e5e31975a096483ca345;p=platform%2Fkernel%2Fu-boot.git diff --git a/README b/README index 9fda381..78173e2 100644 --- a/README +++ b/README @@ -137,7 +137,6 @@ Directory Hierarchy: /arc Files generic to ARC architecture /arm Files generic to ARM architecture /avr32 Files generic to AVR32 architecture - /blackfin Files generic to Analog Devices Blackfin architecture /m68k Files generic to m68k architecture /microblaze Files generic to microblaze architecture /mips Files generic to MIPS architecture @@ -147,7 +146,6 @@ Directory Hierarchy: /powerpc Files generic to PowerPC architecture /sandbox Files generic to HW-independent "sandbox" /sh Files generic to SH architecture - /sparc Files generic to SPARC architecture /x86 Files generic to x86 architecture /api Machine/arch independent API for external apps /board Board dependent files @@ -507,6 +505,9 @@ The following options need to be configured: 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 @@ -589,29 +590,6 @@ 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. @@ -620,15 +598,6 @@ 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 @@ -854,16 +823,11 @@ The following options need to be configured: CONFIG_CMD_AES AES 128 CBC encrypt/decrypt CONFIG_CMD_ASKENV * ask for env variable CONFIG_CMD_BDI bdinfo - CONFIG_CMD_BEDBUG * Include BedBug Debugger - CONFIG_CMD_BMP * BMP support - CONFIG_CMD_BSP * Board specific commands CONFIG_CMD_BOOTD bootd CONFIG_CMD_BOOTI * ARM64 Linux kernel Image support CONFIG_CMD_CACHE * icache, dcache - CONFIG_CMD_CLK * clock command support CONFIG_CMD_CONSOLE coninfo CONFIG_CMD_CRC32 * crc32 - CONFIG_CMD_DATE * support for RTC, date/time... CONFIG_CMD_DHCP * DHCP support CONFIG_CMD_DIAG * Diagnostics CONFIG_CMD_DS4510 * ds4510 I2C gpio commands @@ -1460,9 +1424,6 @@ 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. @@ -1583,13 +1544,6 @@ The following options need to be configured: This will also enable the command "fatwrite" enabling the user to write files to FAT. -- CBFS (Coreboot Filesystem) support: - CONFIG_CMD_CBFS - - Define this to enable support for reading from a Coreboot - filesystem. Available commands are cbfsinit, cbfsinfo, cbfsls - and cbfsload. - - FAT(File Allocation Table) filesystem cluster size: CONFIG_FS_FAT_MAX_CLUSTSIZE @@ -1615,7 +1569,6 @@ The following options need to be configured: CONFIG_SYS_DIU_ADDR CONFIG_VIDEO - CONFIG_CMD_BMP CONFIG_CFB_CONSOLE CONFIG_VIDEO_SW_CURSOR CONFIG_VGA_AS_SINGLE_DEVICE @@ -1676,9 +1629,6 @@ The following options need to be configured: 320x240. Black & white. - Normally display is black on white background; define - CONFIG_SYS_WHITE_ON_BLACK to get it inverted. - CONFIG_LCD_ALIGNMENT Normally the LCD is page-aligned (typically 4KB). If this is @@ -1771,12 +1721,6 @@ 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 @@ -2786,19 +2730,6 @@ 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 @@ -2902,16 +2833,6 @@ The following options need to be configured: This enables 'hdmidet' command which returns true if an HDMI monitor is detected. This command is i.MX 6 specific. - CONFIG_CMD_BMODE - This enables the 'bmode' (bootmode) command for forcing - a boot from specific media. - - This is useful for forcing the ROM's usb downloader to - activate upon a watchdog reset which is nice when iterating - on U-Boot. Using the reset button or running bmode normal - will set it back to normal. This command currently - supports i.MX53 and i.MX6. - - bootcount support: CONFIG_BOOTCOUNT_LIMIT @@ -2920,8 +2841,6 @@ The following options need to be configured: CONFIG_AT91SAM9XE enable special bootcounter support on at91sam9xe based boards. - CONFIG_BLACKFIN - enable special bootcounter support on blackfin based boards. CONFIG_SOC_DA8XX enable special bootcounter support on da850 based boards. CONFIG_BOOTCOUNT_RAM @@ -3298,10 +3217,6 @@ 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 @@ -5966,11 +5881,6 @@ For PowerPC, the following registers have specific use: average for all boards 752 bytes for the whole U-Boot image, 624 text + 127 data). -On Blackfin, the normal C ABI (except for P3) is followed as documented here: - http://docs.blackfin.uclinux.org/doku.php?id=application_binary_interface - - ==> U-Boot will use P3 to hold a pointer to the global data - On ARM, the following registers are used: R0: function argument word/integer result