]> git.karo-electronics.de Git - karo-tx-uboot.git/blobdiff - README
nand/fsl: add NAND_NO_SUBPAGE_WRITE to eLBC and IFC drivers
[karo-tx-uboot.git] / README
diff --git a/README b/README
index 2dc098462dd3cdb0d151928efa0b31ce3e8d05b5..15596a7c6e96e59b45b424d4f436a8a318a7b40b 100644 (file)
--- a/README
+++ b/README
@@ -2653,6 +2653,10 @@ FIT uImage format:
                CONFIG_SPL_TEXT_BASE
                TEXT_BASE for linking the SPL binary.
 
+               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.
 
@@ -2662,6 +2666,11 @@ FIT uImage format:
                CONFIG_SPL_STACK
                Adress of the start of the stack SPL will use
 
+               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.
 
@@ -2677,6 +2686,9 @@ FIT uImage format:
                For ARM, enable an optional function to print more information
                about the running system.
 
+               CONFIG_SPL_INIT_MINIMAL
+               Arch init code should be built for a very small image
+
                CONFIG_SPL_LIBCOMMON_SUPPORT
                Support for common/libcommon.o in SPL binary
 
@@ -2704,8 +2716,19 @@ FIT uImage format:
                CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME
                Filename to read to load U-Boot when reading from FAT
 
+               CONFIG_SPL_NAND_BASE
+               Include nand_base.c in the SPL.  Requires
+               CONFIG_SPL_NAND_DRIVERS.
+
+               CONFIG_SPL_NAND_DRIVERS
+               SPL uses normal NAND drivers, not minimal drivers.
+
+               CONFIG_SPL_NAND_ECC
+               Include standard software ECC in the SPL
+
                CONFIG_SPL_NAND_SIMPLE
-               Support for drivers/mtd/nand/libnand.o in SPL binary
+               Support for NAND boot using simple NAND drivers that
+               expose the cmd_ctrl() interface.
 
                CONFIG_SYS_NAND_5_ADDR_CYCLE, CONFIG_SYS_NAND_PAGE_COUNT,
                CONFIG_SYS_NAND_PAGE_SIZE, CONFIG_SYS_NAND_OOBSIZE,
@@ -2713,15 +2736,19 @@ FIT uImage format:
                CONFIG_SYS_NAND_ECCPOS, CONFIG_SYS_NAND_ECCSIZE,
                CONFIG_SYS_NAND_ECCBYTES
                Defines the size and behavior of the NAND that SPL uses
-               to read U-Boot with CONFIG_SPL_NAND_SIMPLE
+               to read U-Boot
 
                CONFIG_SYS_NAND_U_BOOT_OFFS
-               Location in NAND for CONFIG_SPL_NAND_SIMPLE to read U-Boot
-               from.
+               Location in NAND to read U-Boot from
+
+               CONFIG_SYS_NAND_U_BOOT_DST
+               Location in memory to load U-Boot to
+
+               CONFIG_SYS_NAND_U_BOOT_SIZE
+               Size of image to load
 
                CONFIG_SYS_NAND_U_BOOT_START
-               Location in memory for CONFIG_SPL_NAND_SIMPLE to load U-Boot
-               to.
+               Entry point in loaded image to jump to
 
                CONFIG_SYS_NAND_HW_ECC_OOBFIRST
                Define this if you need to first read the OOB and then the
@@ -2746,6 +2773,11 @@ FIT uImage format:
                CONFIG_SPL_LIBGENERIC_SUPPORT
                Support for lib/libgeneric.o 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.
+
 Modem Support:
 --------------