view loadtools/scripts/compal.config @ 992:a7b0b426f9ca

target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 30 Dec 2015 21:28:41 +0000
parents d8a120647649
children
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# This configuration is intended to be applicable to all of C11x, C123,
# C139 and C140.  The "plain" version of compalstage selected below
# should work for all C11x/123; it will also work on C139/140 phones
# that had the simpler boot code flashed into them, as will be used for
# FreeCalypso.  When running loadtools with this config on C139/140
# phones that still have the "official" fw in them, one will need to
# specify -h compal -c 1003 to use the inefficient ~15 KiB version of
# compalstage.

compal-stage plain

# Whether we are breaking in through compalstage (as above) or through
# tfc139, the re-enabled Calypso boot ROM is used to load our loadagent
# into IRAM.  The boot ROM will autodetect the Calypso input clock as
# 26 MHz (physical reality) when entered through compalstage, or as
# 13 MHz when entered through tfc139 - the latter results from the
# original fw setting bit 7 in the FFFF:FD02 register (VTCXO_DIV2),
# which the boot ROM does not clear.
#
# However, the following configuration will result in the ARM core
# being clocked at 52 MHz in both cases.

pll-config 4/1
rhea-cntl 0x00

# The remaining settings are carried out via loadagent commands
init-script compal.init

# Flash: use CFI autodetection, 4 MiB max
# mapped at 0, see compal.init for the explanation
flash cfi-4M 0

boot-reflash-hack 0x820000 0x10000

# Perform a Iota poweroff when we are done
exit-mode iota-off