X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=README;h=22e35c39bc4deaa553aa3eb226caef51c7ab2da8;hb=dc2cd05c91a134d53fada41e8f97a434be22de02;hp=ce86e74baf31ea70b02a7d51e46aa73125fad73a;hpb=1c19863fa2ab1fe340cdd7924c84a34f308de6e1;p=u-boot diff --git a/README b/README index ce86e74baf..22e35c39bc 100644 --- a/README +++ b/README @@ -1,5 +1,5 @@ # -# (C) Copyright 2000 - 2008 +# (C) Copyright 2000 - 2009 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. # # See file CREDITS for list of people who contributed to this @@ -138,6 +138,7 @@ U-Boot will always have a patchlevel of "0". Directory Hierarchy: ==================== +- api Machine/arch independent API for external apps - board Board dependent files - common Misc architecture independent functions - cpu CPU specific files @@ -178,8 +179,8 @@ Directory Hierarchy: - disk Code for disk drive partition handling - doc Documentation (don't expect too much) - drivers Commonly used device drivers -- dtt Digital Thermometer and Thermostat drivers - examples Example code for standalone applications, etc. +- fs Filesystem code (cramfs, ext2, jffs2, etc.) - include Header Files - lib_arm Files generic to ARM architecture - lib_avr32 Files generic to AVR32 architecture @@ -187,9 +188,12 @@ Directory Hierarchy: - lib_generic Files generic to all architectures - lib_i386 Files generic to i386 architecture - lib_m68k Files generic to m68k architecture +- lib_microblaze Files generic to microblaze architecture - lib_mips Files generic to MIPS architecture - lib_nios Files generic to NIOS architecture +- lib_nios2 Files generic to NIOS2 architecture - lib_ppc Files generic to PowerPC architecture +- lib_sh Files generic to SH architecture - lib_sparc Files generic to SPARC architecture - libfdt Library files to support flattened device trees - net Networking code @@ -388,6 +392,15 @@ The following options need to be configured: This define fills in the correct boot CPU in the boot param header, the default value is zero if undefined. + CONFIG_OF_IDE_FIXUP + + U-Boot can detect if an IDE device is present or not. + If not, and this new config option is activated, U-Boot + removes the ATA node from the DTS before booting Linux, + so the Linux IDE driver does not probe the device and + crash. This is needed for buggy hardware (uc101) where + no pull down resistor is connected to the signal IDE5V_DD7. + - vxWorks boot parameters: bootvx constructs a valid bootline using the following @@ -611,6 +624,7 @@ The following options need to be configured: CONFIG_CMD_DS4510_RST * ds4510 I2C rst command CONFIG_CMD_DTT * Digital Therm and Thermostat CONFIG_CMD_ECHO echo arguments + CONFIG_CMD_EDITENV edit env variable CONFIG_CMD_EEPROM * EEPROM read/write support CONFIG_CMD_ELF * bootelf, bootvx CONFIG_CMD_SAVEENV saveenv @@ -763,7 +777,7 @@ The following options need to be configured: CONFIG_LBA48 Set this to enable support for disks larger than 137GB - Also look at CONFIG_SYS_64BIT_LBA ,CONFIG_SYS_64BIT_VSPRINTF and CONFIG_SYS_64BIT_STRTOUL + Also look at CONFIG_SYS_64BIT_LBA. Whithout these , LBA48 support uses 32bit variables and will 'only' support disks up to 2.1TB. @@ -832,20 +846,20 @@ The following options need to be configured: Define this to use i/o functions instead of macros (some hardware wont work with macros) - CONFIG_DRIVER_SMC911X + CONFIG_SMC911X Support for SMSC's LAN911x and LAN921x chips - CONFIG_DRIVER_SMC911X_BASE + CONFIG_SMC911X_BASE Define this to hold the physical address of the device (I/O space) - CONFIG_DRIVER_SMC911X_32_BIT + CONFIG_SMC911X_32_BIT Define this if data bus is 32 bits - CONFIG_DRIVER_SMC911X_16_BIT + CONFIG_SMC911X_16_BIT Define this if data bus is 16 bits. If your processor automatically converts one 32 bit word to two 16 bit - words you may also try CONFIG_DRIVER_SMC911X_32_BIT. + words you may also try CONFIG_SMC911X_32_BIT. - USB Support: At the moment only the UHCI host controller is @@ -1879,25 +1893,6 @@ The following options need to be configured: example, some LED's) on your board. At the moment, the following checkpoints are implemented: -- Automatic software updates via TFTP server - CONFIG_UPDATE_TFTP - CONFIG_UPDATE_TFTP_CNT_MAX - CONFIG_UPDATE_TFTP_MSEC_MAX - - These options enable and control the auto-update feature; - for a more detailed description refer to doc/README.update. - -- MTD Support (mtdparts command, UBI support) - CONFIG_MTD_DEVICE - - Adds the MTD device infrastructure from the Linux kernel. - Needed for mtdparts command support. - - CONFIG_MTD_PARTITIONS - - Adds the MTD partitioning infrastructure from the Linux - kernel. Needed for UBI support. - Legacy uImage format: Arg Where When @@ -2051,6 +2046,25 @@ FIT uImage format: -150 common/cmd_nand.c Incorrect FIT image format 151 common/cmd_nand.c FIT image format OK +- Automatic software updates via TFTP server + CONFIG_UPDATE_TFTP + CONFIG_UPDATE_TFTP_CNT_MAX + CONFIG_UPDATE_TFTP_MSEC_MAX + + These options enable and control the auto-update feature; + for a more detailed description refer to doc/README.update. + +- MTD Support (mtdparts command, UBI support) + CONFIG_MTD_DEVICE + + Adds the MTD device infrastructure from the Linux kernel. + Needed for mtdparts command support. + + CONFIG_MTD_PARTITIONS + + Adds the MTD partitioning infrastructure from the Linux + kernel. Needed for UBI support. + Modem Support: -------------- @@ -2510,13 +2524,6 @@ use the "saveenv" command to store a valid environment. - CONFIG_SYS_FAULT_MII_ADDR: MII address of the PHY to check for the Ethernet link state. -- CONFIG_SYS_64BIT_VSPRINTF: - Makes vsprintf (and all *printf functions) support printing - of 64bit values by using the L quantifier - -- CONFIG_SYS_64BIT_STRTOUL: - Adds simple_strtoull that returns a 64bit value - - CONFIG_NS16550_MIN_FUNCTIONS: Define this if you desire to only have use of the NS16550_init and NS16550_putc functions for the serial driver located at