mirror of
https://github.com/drasko/open-ameba.git
synced 2024-11-22 22:14:17 +00:00
124 lines
2.5 KiB
INI
124 lines
2.5 KiB
INI
# Main file for Ameba1 series Cortex-M3 parts
|
|
#
|
|
# !!!!!!
|
|
#
|
|
|
|
set CHIPNAME rtl8195a
|
|
set CHIPSERIES ameba1
|
|
|
|
# Adapt based on what transport is active.
|
|
source [find target/swj-dp.tcl]
|
|
|
|
if { [info exists CHIPNAME] } {
|
|
set _CHIPNAME $CHIPNAME
|
|
} else {
|
|
error "CHIPNAME not set. Please do not include ameba1.cfg directly."
|
|
}
|
|
|
|
if { [info exists CHIPSERIES] } {
|
|
# Validate chip series is supported
|
|
if { $CHIPSERIES != "ameba1" } {
|
|
error "Unsupported chip series specified."
|
|
}
|
|
set _CHIPSERIES $CHIPSERIES
|
|
} else {
|
|
error "CHIPSERIES not set. Please do not include ameba1.cfg directly."
|
|
}
|
|
|
|
if { [info exists CPUTAPID] } {
|
|
# Allow user override
|
|
set _CPUTAPID $CPUTAPID
|
|
} else {
|
|
# Ameba1 use a Cortex M3 core.
|
|
if { $_CHIPSERIES == "ameba1" } {
|
|
if { [using_jtag] } {
|
|
set _CPUTAPID 0x4ba00477
|
|
} {
|
|
set _CPUTAPID 0x2ba01477
|
|
}
|
|
}
|
|
}
|
|
|
|
swj_newdap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID
|
|
|
|
set _TARGETNAME $_CHIPNAME.cpu
|
|
target create $_TARGETNAME cortex_m -chain-position $_TARGETNAME
|
|
|
|
|
|
# Run with *real slow* clock by default since the
|
|
# boot rom could have been playing with the PLL, so
|
|
# we have no idea what clock the target is running at.
|
|
adapter_khz 1000
|
|
|
|
# delays on reset lines
|
|
adapter_nsrst_delay 200
|
|
if {[using_jtag]} {
|
|
jtag_ntrst_delay 200
|
|
}
|
|
|
|
|
|
# Ameba1 (Cortex M3 core) support SYSRESETREQ
|
|
if {![using_hla]} {
|
|
# if srst is not fitted use SYSRESETREQ to
|
|
# perform a soft reset
|
|
cortex_m reset_config sysresetreq
|
|
}
|
|
|
|
$_TARGETNAME configure -event reset-init {ameba1_init}
|
|
|
|
# Ameba1 SDRAM enable
|
|
proc ameba1_init { } {
|
|
# init System
|
|
mww 0x40000014 0x00000021
|
|
sleep 10
|
|
mww 0x40000304 0x1fc00002
|
|
sleep 10
|
|
mww 0x40000250 0x00000400
|
|
sleep 10
|
|
mww 0x40000340 0x00000000
|
|
sleep 10
|
|
mww 0x40000230 0x0000dcc4
|
|
sleep 10
|
|
mww 0x40000210 0x00011117
|
|
sleep 10
|
|
mww 0x40000210 0x00011157
|
|
sleep 10
|
|
mww 0x400002c0 0x00110011
|
|
sleep 10
|
|
mww 0x40000320 0xffffffff
|
|
sleep 10
|
|
# init SDRAM
|
|
mww 0x40000040 0x00fcc702
|
|
sleep 10
|
|
mdw 0x40000040
|
|
mww 0x40005224 0x00000001
|
|
sleep 10
|
|
mww 0x40005004 0x00000208
|
|
sleep 10
|
|
mww 0x40005008 0xffffd000
|
|
sleep 13
|
|
mww 0x40005020 0x00000022
|
|
sleep 13
|
|
mww 0x40005010 0x09006201
|
|
sleep 13
|
|
mww 0x40005014 0x00002611
|
|
sleep 13
|
|
mww 0x40005018 0x00068413
|
|
sleep 13
|
|
mww 0x4000501c 0x00000042
|
|
sleep 13
|
|
mww 0x4000500c 0x700 ;# set Idle
|
|
sleep 20
|
|
mww 0x40005000 0x1 ;# start init
|
|
sleep 100
|
|
mdw 0x40005000
|
|
mww 0x4000500c 0x600 ;# enter memory mode
|
|
sleep 30
|
|
|
|
mww 0x40005008 0x00000000 ;# 0xf00
|
|
;# mww 0x40005008 0x00000f00
|
|
sleep 3
|
|
mww 0x40000300 0x0006005e ;# 0x5e
|
|
;# mww 0x40000300 0x0000005e
|
|
sleep 3
|
|
}
|