X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=README;h=ff0df3797d21e63343c4caadf5093423c710368d;hb=df3d5f9e410cb7a4936fd8d78b9f7f751b7e130a;hp=f21aae2ecf7cb1d73354a3f3e40e49f1a6e43371;hpb=6600b355c71e80c99d8edb8603dd5e3df8ed4db8;p=platform%2Fkernel%2Fu-boot.git diff --git a/README b/README index f21aae2..ff0df37 100644 --- a/README +++ b/README @@ -371,10 +371,6 @@ The following options need to be configured: In this mode, a single differential clock is used to supply clocks to the sysclock, ddrclock and usbclock. - CONFIG_SYS_CPC_REINIT_F - This CONFIG is defined when the CPC is configured as SRAM at the - time of U-Boot entry and is required to be re-initialized. - - Generic CPU options: CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN @@ -388,10 +384,6 @@ The following options need to be configured: CONFIG_SYS_FSL_DDR_ADDR Freescale DDR memory-mapped register base. - CONFIG_SYS_FSL_DDR_EMU - Specify emulator support for DDR. Some DDR features such as - deskew training are not available. - CONFIG_SYS_FSL_DDRC_GEN1 Freescale DDR1 controller. @@ -664,18 +656,6 @@ The following options need to be configured: CONFIG_SCSI) you must configure support for at least one non-MTD partition type as well. -- LBA48 Support - CONFIG_LBA48 - - Set this to enable support for disks larger than 137GB - Also look at CONFIG_SYS_64BIT_LBA. - Whithout these , LBA48 support uses 32bit variables and will 'only' - support disks up to 2.1TB. - - CONFIG_SYS_64BIT_LBA: - When enabled, makes the IDE subsystem use 64bit sector addresses. - Default is 32bit. - - NETWORK Support (PCI): CONFIG_E1000_SPI Utility code for direct access to the SPI bus on Intel 8257x. @@ -793,9 +773,6 @@ The following options need to be configured: Supported are USB Keyboards and USB Floppy drives (TEAC FD-05PUB). - CONFIG_USB_EHCI_TXFIFO_THRESH enables setting of the - txfilltuning field in the EHCI controller on reset. - CONFIG_USB_DWC2_REG_ADDR the physical CPU address of the DWC2 HW module registers. @@ -869,13 +846,6 @@ The following options need to be configured: the appropriate value in Hz. - MMC Support: - The MMC controller on the Intel PXA is supported. To - enable this define CONFIG_MMC. The MMC can be - accessed from the boot prompt by mapping the device - to physical memory similar to flash. Command line is - enabled with CONFIG_CMD_MMC. The MMC driver also works with - the FAT fs. This is enabled with CONFIG_CMD_FAT. - CONFIG_SH_MMCIF Support for Renesas on-chip MMCIF controller @@ -1321,11 +1291,6 @@ The following options need to be configured: will skip addresses 0x50 and 0x68 on bus 0 and address 0x54 on bus 1 - CONFIG_SYS_SPD_BUS_NUM - - If defined, then this indicates the I2C bus number for DDR SPD. - If not defined, then U-Boot assumes that SPD is on I2C bus 0. - CONFIG_SYS_RTC_BUS_NUM If defined, then this indicates the I2C bus number for the RTC. @@ -1365,10 +1330,6 @@ The following options need to be configured: Enables support for FPGA family. (SPARTAN2, SPARTAN3, VIRTEX2, CYCLONE2, ACEX1K, ACEX) - CONFIG_FPGA_COUNT - - Specify the number of FPGA devices to support. - CONFIG_SYS_FPGA_PROG_FEEDBACK Enable printing of hash marks during FPGA configuration. @@ -1537,20 +1498,6 @@ The following options need to be configured: overwriting the architecture dependent default settings. -- Frame Buffer Address: - CONFIG_FB_ADDR - - Define CONFIG_FB_ADDR if you want to use specific - address for frame buffer. This is typically the case - when using a graphics controller has separate video - memory. U-Boot will then place the frame buffer at - the given address instead of dynamically reserving it - in system RAM by calling lcd_setmem(), which grabs - the memory for the frame buffer depending on the - configured panel size. - - Please see board_init_f function. - - Automatic software updates via TFTP server CONFIG_UPDATE_TFTP CONFIG_UPDATE_TFTP_CNT_MAX @@ -1635,19 +1582,10 @@ The following options need to be configured: consider that a completely unreadable NAND block is bad, and thus should be skipped silently. - CONFIG_SYS_SPL_MALLOC_SIZE - The size of the malloc pool used in SPL. - CONFIG_SPL_DISPLAY_PRINT For ARM, enable an optional function to print more information about the running system. - CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR, - CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS - Sector and number of sectors to load kernel argument - parameters from when MMC is being used in raw mode - (for falcon mode) - CONFIG_SPL_MPC83XX_WAIT_FOR_NAND Set this for NAND SPL on PPC mpc83xx targets, so that start.S waits for the rest of the SPL to load before @@ -1682,11 +1620,6 @@ The following options need to be configured: CONFIG_SPL_RAM_DEVICE Support for running image already present in ram, in SPL binary - CONFIG_SPL_TARGET - Final target image containing SPL and payload. Some SPLs - use an arch-specific makefile fragment instead, for - example if more than one image needs to be produced. - CONFIG_SPL_FIT_PRINT Printing information about a FIT image adds quite a bit of code to SPL. So this is normally disabled in SPL. Use this @@ -1782,7 +1715,7 @@ Configuration Settings: - CONFIG_SYS_MALLOC_SIMPLE Provides a simple and small malloc() and calloc() for those boards which do not use the full malloc in SPL (which is - enabled with CONFIG_SYS_SPL_MALLOC_START). + enabled with CONFIG_SYS_SPL_MALLOC). - CONFIG_SYS_NONCACHED_MEMORY: Size of non-cached memory area. This area of memory will be @@ -1803,12 +1736,6 @@ Configuration Settings: Non-cached memory is only supported on 32-bit ARM at present. -- CONFIG_SYS_BOOTM_LEN: - Normally compressed uImages are limited to an - uncompressed size of 8 MBytes. If this is not enough, - you can define CONFIG_SYS_BOOTM_LEN in your board config file - to adjust this setting to your needs. - - CONFIG_SYS_BOOTMAPSZ: Maximum size of memory mapped by the startup code of the Linux kernel; all data that must be processed by @@ -1821,11 +1748,6 @@ Configuration Settings: CONFIG_SYS_BOOTMAPSZ. If CONFIG_SYS_BOOTMAPSZ is undefined, then the value in "bootm_size" will be used instead. -- CONFIG_SYS_BOOT_RAMDISK_HIGH: - Enable initrd_high functionality. If defined then the - initrd_high feature is enabled and the bootm ramdisk subcommand - is enabled. - - CONFIG_SYS_BOOT_GET_CMDLINE: Enables allocating and saving kernel cmdline in space between "bootm_low" and "bootm_low" + BOOTMAPSZ. @@ -1906,14 +1828,6 @@ Configuration Settings: while unprotecting/erasing/programming. Please only enable this option if you really know what you are doing. -- CONFIG_ENV_MAX_ENTRIES - - Maximum number of entries in the hash table that is used - internally to store the environment settings. The default - setting is supposed to be generous and should work in most - cases. This setting can be used to tune behaviour; see - lib/hashtable.c for details. - - CONFIG_ENV_FLAGS_LIST_DEFAULT - CONFIG_ENV_FLAGS_LIST_STATIC Enable validation of the values given to environment variables when @@ -2129,12 +2043,6 @@ Low Level (hardware related) configuration options: one, specify here. Note that the value must resolve to something your driver can deal with. -- CONFIG_SYS_DDR_RAW_TIMING - Get DDR timing information from other than SPD. Common with - soldered DDR chips onboard without SPD. DDR raw timing - parameters are extracted from datasheet and hard-coded into - header files or board specific files. - - CONFIG_FSL_DDR_INTERACTIVE Enable interactive DDR debugging. See doc/README.fsl-ddr. @@ -2144,10 +2052,6 @@ Low Level (hardware related) configuration options: - CONFIG_FSL_DDR_BIST Enable built-in memory test for Freescale DDR controllers. -- CONFIG_SYS_83XX_DDR_USES_CS0 - Only for 83xx systems. If specified, then DDR should - be configured using CS0 and CS1 instead of CS2 and CS3. - - CONFIG_RMII Enable RMII mode for all FECs. Note that this is a global option, we can't @@ -2193,11 +2097,6 @@ Low Level (hardware related) configuration options: proper). Code that needs stage-specific behavior should check this. -- CONFIG_SYS_MPC85XX_NO_RESETVEC - Only for 85xx systems. If this variable is specified, the section - .resetvec is not kept and the section .bootpg is placed in the - previous 4k of the .text section. - - CONFIG_ARCH_MAP_SYSMEM Generally U-Boot (and in particular the md command) uses effective address. It is therefore not necessary to regard @@ -2429,6 +2328,7 @@ rarpboot- boot image via network using RARP/TFTP protocol diskboot- boot from IDE devicebootd - boot default, i.e., run 'bootcmd' loads - load S-Record file over serial line loadb - load binary file over serial line (kermit mode) +loadm - load binary blob from source address to destination address md - memory display mm - memory modify (auto-incrementing) nm - memory modify (constant address)