diff options
| author | Jason Jin <Jason.jin@freescale.com> | 2009-10-07 15:47:45 -0400 |
|---|---|---|
| committer | Justin Waters <justin.waters@timesys.com> | 2009-10-07 15:47:45 -0400 |
| commit | 8db78c124a27452c4d196b31b285d7ef34b24c62 (patch) | |
| tree | 40d12974a3fdc40f1191189a43c9ab1b9bfe0195 /config.mk | |
| parent | 05a0fbec89245ee650e69db05fb6df98bba0c6ac (diff) | |
u-boot-2009.03-p2020rdb-Boot-from-SDcard-MPC8536DS-v2
Make a special uboot used for booting from SDcard or SPI flash
This Patch is borrowed from MPC8536DS SD Card Boot.
This patch is used to generate a special version u-boot,
together with the data structure on the SDcard/SPI flash,
can be used to booting from SDcard/SPI flash on 8536DS board.
The boot ROM in CPU and the data structure on SD card will initialize
the DDR, set a large tlb0 for DDR and CCSR, set law0 for DDR. The special
version uboot avoid initializing the DDR. Try to reseve the law0 for DDR
by adding a CONFIG_SYS_RESERVED_LAW0 macro for the "dynamic law allocation"
code. But keep the original tlb initialize code for DDR, disabled the large
tlb0 which was set in the boot ROM.
This patch is intend for those who are interested in the function of
booting from SD card on 8536DS board and not for opensource.
An utility is needed to write the data structure and the special
version u-boot onto the SD card which has filesystem on it or onto
the SPI flash.
Signed-off-by: Jason Jin <Jason.jin@freescale.com>
Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Diffstat (limited to 'config.mk')
| -rw-r--r-- | config.mk | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -112,8 +112,8 @@ DBGFLAGS= -g # -DDEBUG OPTFLAGS= -Os #-fomit-frame-pointer ifndef LDSCRIPT #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug -ifeq ($(CONFIG_NAND_U_BOOT),y) -LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds +ifeq ($(CONFIG_SDCARD_U_BOOT),y) +LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-sdboot.lds else LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds endif |