X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=README;h=c73f6dd57402db9c3e3cdc14fa71e4cbea2504ee;hb=d84a8c5b282421ab77aea792efbf656cd0adb6e5;hp=27a075abbb619f38efa475dceb65eaf2f3bb7082;hpb=064b55cfcb25c0f7692ecf6d4a38f12cd82739f7;p=people%2Fms%2Fu-boot.git diff --git a/README b/README index 27a075abbb..c73f6dd574 100644 --- a/README +++ b/README @@ -136,7 +136,6 @@ Directory Hierarchy: /arch Architecture specific files /arc Files generic to ARC architecture /arm Files generic to ARM architecture - /avr32 Files generic to AVR32 architecture /m68k Files generic to m68k architecture /microblaze Files generic to microblaze architecture /mips Files generic to MIPS architecture @@ -320,9 +319,6 @@ The following options need to be configured: - Board Type: Define exactly one, e.g. CONFIG_MPC8540ADS. -- CPU Daughterboard Type: (if CONFIG_ATSTK1000 is defined) - Define exactly one, e.g. CONFIG_ATSTK1002 - - Marvell Family Member CONFIG_SYS_MVFS - define it if you want to enable multiple fs option at one time @@ -830,11 +826,8 @@ The following options need to be configured: CONFIG_CMD_RUN run command in env variable CONFIG_CMD_SANDBOX * sb command to access sandbox features CONFIG_CMD_SAVES * save S record dump - CONFIG_SCSI * SCSI Support CONFIG_CMD_SDRAM * print SDRAM configuration information (requires CONFIG_CMD_I2C) - CONFIG_CMD_SETGETDCR Support for DCR Register access - (4xx only) CONFIG_CMD_SF * Read/write/erase SPI NOR flash CONFIG_CMD_SOFTSWITCH * Soft switch setting command for BF60x CONFIG_CMD_SOURCE "source" command Support @@ -862,7 +855,7 @@ The following options need to be configured: (configuration option CONFIG_CMD_CACHE) unless you know what you (and your U-Boot users) are doing. Data cache cannot be enabled on systems like the - 8260 (where accesses to the IMMR region must be + 8xx (where accesses to the IMMR region must be uncached), and it cannot be disabled on all other systems where we (mis-) use the data cache to hold an initial stack and some data. @@ -925,9 +918,11 @@ The following options need to be configured: CONFIG_WATCHDOG If this variable is defined, it enables watchdog support for the SoC. There must be support in the SoC - specific code for a watchdog. When supported for a - specific SoC is available, then no further board specific - code should be needed to use it. + specific code for a watchdog. For the 8xx + CPUs, the SIU Watchdog feature is enabled in the SYPCR + register. When supported for a specific SoC is + available, then no further board specific code should + be needed to use it. CONFIG_HW_WATCHDOG When using a watchdog circuitry external to the used @@ -1047,16 +1042,11 @@ The following options need to be configured: Default is 32bit. - SCSI Support: - At the moment only there is only support for the - SYM53C8XX SCSI controller; define - CONFIG_SCSI_SYM53C8XX to enable it. - CONFIG_SYS_SCSI_MAX_LUN [8], CONFIG_SYS_SCSI_MAX_SCSI_ID [7] and CONFIG_SYS_SCSI_MAX_DEVICE [CONFIG_SYS_SCSI_MAX_SCSI_ID * CONFIG_SYS_SCSI_MAX_LUN] can be adjusted to define the maximum numbers of LUNs, SCSI ID's and target devices. - CONFIG_SYS_SCSI_SYM53C8XX_CCF to fix clock timing (80Mhz) The environment variable 'scsidevs' is set to the number of SCSI devices found during the last scan. @@ -2534,12 +2524,6 @@ The following options need to be configured: Define this option to include a destructive SPI flash test ('sf test'). - CONFIG_SF_DUAL_FLASH Dual flash memories - - Define this option to use dual flash support where two flash - memories can be connected with a given cs line. - Currently Xilinx Zynq qspi supports these type of connections. - - SystemACE Support: CONFIG_SYSTEMACE @@ -3944,7 +3928,7 @@ Low Level (hardware related) configuration options: - CONFIG_SYS_IMMR: Physical address of the Internal Memory. DO NOT CHANGE unless you know exactly what you're - doing! (11-4) [82xx systems only] + doing! (11-4) [MPC8xx systems only] - CONFIG_SYS_INIT_RAM_ADDR: @@ -3957,7 +3941,7 @@ Low Level (hardware related) configuration options: sequences. U-Boot uses the following memory types: - - PPC4xx: data cache + - MPC8xx: IMMR (internal memory of the CPU) - CONFIG_SYS_GBL_DATA_OFFSET: @@ -3996,10 +3980,6 @@ Low Level (hardware related) configuration options: CONFIG_SYS_OR3_PRELIM, CONFIG_SYS_BR3_PRELIM: Memory Controller Definitions: BR2/3 and OR2/3 (SDRAM) -- CONFIG_PCI_DISABLE_PCIE: - Disable PCI-Express on systems where it is supported but not - required. - - CONFIG_PCI_ENUM_ONLY Only scan through and get the devices on the buses. Don't do any setup work, presumably because someone or @@ -4823,9 +4803,9 @@ details; basically, the header defines the following image properties: LynxOS, pSOS, QNX, RTEMS, INTEGRITY; Currently supported: Linux, NetBSD, VxWorks, QNX, RTEMS, LynxOS, INTEGRITY). -* Target CPU Architecture (Provisions for Alpha, ARM, AVR32, Intel x86, +* Target CPU Architecture (Provisions for Alpha, ARM, Intel x86, IA64, MIPS, NDS32, Nios II, PowerPC, IBM S390, SuperH, Sparc, Sparc 64 Bit; - Currently supported: ARM, AVR32, Intel x86, MIPS, NDS32, Nios II, PowerPC). + Currently supported: ARM, Intel x86, MIPS, NDS32, Nios II, PowerPC). * Compression Type (uncompressed, gzip, bzip2) * Load Address * Entry Point