#
# Guardian Flash programming example for 440EP Ebony
#
#	play ppc_440gp_ebony_flash.def
#
# 
#guard_on
#
# set up flash parameters
opt wsaddr 0xC0000000    # workspace address(in IRAM)
opt wssize 0x2000        # workspace size		
opt fltout 0x1e          # timeout for flash operations
opt fltype AMD29F        # flash type/algorithm
opt flssize 0x10000      # size of a sector
opt flnsec 0x8           # number of sectors(if not specified in the command)
opt flwidth 8            # flash with is 8 bits

# turn workspace on and set up a large tftp buffer space(for speed)
opt flwork on            # turn workspace on
opt tbufsiz   32

# if for some reason, workspace is not available, 
#  turn off workspace, and reduce the tftp buffer size(to prevent timeouts)
#opt flwork off           # turn workspace off
#opt tbufsiz   2

# set the base address for the uboot image
opt flbase 0xFFF80000

# make sure a TLB exists for FLASH
# make sure a TLB exists for RAM
# this will take several seconds
@play ppc_440gp_ebony.def

# if we can ID the part, we should be able to program and erase
fl -id 0xFFF80000


# erase the 8 sectors that cover uboot
fl -es 0xFFF80000 0x8

# make sure SDRAM is intialized for workspace programming
@play ppc_440gp_ebony_SDRAMinit.def

# program the uboot image
fl -p u-boot_ebony.bin 0xFFF80000 -BIN

#reset
opt clk       1       # try slowing clock if you have reset problems
reset
opt clk       16      # speed up after reset

#guardoff