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authorTom Rini <trini@ti.com>2012-11-26 14:53:33 -0700
committerTom Rini <trini@ti.com>2012-11-26 14:53:33 -0700
commitdfe161032d007e4901064ab36b58f054126b1f35 (patch)
tree5389a370fbb7cfcf070669a0dc190fc765a3c985 /README
parentd6bc7dcc0347765c4621c253ea68b07985d8c1f0 (diff)
parent3287f6d3858faee768a7c47515bd21914ad591a2 (diff)
Merge branch 'master' of git://git.denx.de/u-boot-nand-flash
Diffstat (limited to 'README')
-rw-r--r--README45
1 files changed, 39 insertions, 6 deletions
diff --git a/README b/README
index 335207b628..67ff03a120 100644
--- a/README
+++ b/README
@@ -2664,6 +2664,10 @@ 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.
@@ -2673,6 +2677,11 @@ 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.
@@ -2688,6 +2697,9 @@ 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
@@ -2715,8 +2727,19 @@ 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,
@@ -2724,15 +2747,19 @@ 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
@@ -2757,6 +2784,11 @@ 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:
--------------
@@ -3859,6 +3891,7 @@ saveenv - save environment variables to persistent storage
protect - enable or disable FLASH write protection
erase - erase FLASH memory
flinfo - print FLASH memory information
+nand - NAND memory operations (see doc/README.nand)
bdinfo - print Board Info structure
iminfo - print header information for application image
coninfo - print console devices and informations