X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=README;h=452e5955023a04dca813ca4bb64bfdd19870c921;hb=10f6e4dc3a16c21f235416f975ecf2070ceb351f;hp=d6ff909e9a44d6ca8fe97244f197af17f719f4ed;hpb=90f0819a318b44d0c92611b7419d73781402476d;p=platform%2Fkernel%2Fu-boot.git diff --git a/README b/README index d6ff909..452e595 100644 --- a/README +++ b/README @@ -293,33 +293,6 @@ board_init_r(): SPL-specific notes: - stack is optionally in SDRAM, if CONFIG_SPL_STACK_R is defined and - CONFIG_SPL_STACK_R_ADDR points into SDRAM - - preloader_console_init() can be called here - typically this is - done by selecting CONFIG_SPL_BOARD_INIT and then supplying a - spl_board_init() function containing this call - - loads U-Boot or (in falcon mode) Linux - - -Configuration Options: ----------------------- - -Configuration depends on the combination of board and CPU type; all -such information is kept in a configuration file -"include/configs/.h". - -Example: For a TQM823L module, all configuration settings are in -"include/configs/TQM823L.h". - - -Many of the options are named exactly as the corresponding Linux -kernel configuration options. The intention is to make it easier to -build a config tool - later. - -- ARM Platform Bus Type(CCI): - CoreLink Cache Coherent Interconnect (CCI) is ARM BUS which - provides full cache coherency between two clusters of multi-core - CPUs and I/O coherency for devices and I/O masters - CONFIG_SYS_FSL_HAS_CCI400 Defined For SoC that has cache coherent interconnect @@ -493,12 +466,6 @@ The following options need to be configured: Defines the SEC controller register space as Little Endian - MIPS CPU options: - CONFIG_SYS_INIT_SP_OFFSET - - Offset relative to CONFIG_SYS_SDRAM_BASE for initial stack - pointer. This is needed for the temporary stack before - relocation. - CONFIG_XWAY_SWAP_BYTES Enable compilation of tools/xway-swap-bytes needed for Lantiq @@ -1658,16 +1625,6 @@ The following options need to be configured: CONFIG_SPL Enable building of SPL globally. - CONFIG_SPL_RELOC_TEXT_BASE - Address to relocate to. If unspecified, this is equal to - CONFIG_SPL_TEXT_BASE (i.e. no relocation is done). - - CONFIG_SPL_BSS_START_ADDR - Link address for the BSS within the SPL binary. - - CONFIG_SPL_STACK - Adress of the start of the stack SPL will use - CONFIG_SPL_PANIC_ON_RAW_IMAGE When defined, SPL will panic() if the image it has loaded does not have a signature. @@ -1678,20 +1635,6 @@ The following options need to be configured: consider that a completely unreadable NAND block is bad, and thus should be skipped silently. - CONFIG_SPL_RELOC_STACK - Adress of the start of the stack SPL will use after - relocation. If unspecified, this is equal to - CONFIG_SPL_STACK. - - CONFIG_SYS_SPL_MALLOC_START - Starting address of the malloc pool used in SPL. - When this option is set the full malloc is used in SPL and - it is set up by spl_init() and before that, the simple malloc() - can be used if CONFIG_SYS_MALLOC_F is defined. - - 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. @@ -1836,7 +1779,7 @@ 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 @@ -2130,24 +2073,6 @@ Low Level (hardware related) configuration options: U-Boot uses the following memory types: - MPC8xx: IMMR (internal memory of the CPU) -- CONFIG_SYS_GBL_DATA_OFFSET: - - Offset of the initial data structure in the memory - area defined by CONFIG_SYS_INIT_RAM_ADDR. Usually - CONFIG_SYS_GBL_DATA_OFFSET is chosen such that the initial - data is located at the end of the available space - (sometimes written as (CONFIG_SYS_INIT_RAM_SIZE - - GENERATED_GBL_DATA_SIZE), and the initial stack is just - below that area (growing from (CONFIG_SYS_INIT_RAM_ADDR + - CONFIG_SYS_GBL_DATA_OFFSET) downward. - - Note: - On the MPC824X (or other systems that use the data - cache for initial memory) the address chosen for - CONFIG_SYS_INIT_RAM_ADDR is basically arbitrary - it must - point to an otherwise UNUSED address space between - the top of RAM and the start of the PCI space. - - CONFIG_SYS_SCCR: System Clock and reset Control Register (15-27) - CONFIG_SYS_OR_TIMING_SDRAM: