64 lines
1.9 KiB
INI
64 lines
1.9 KiB
INI
|
# SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
# This contains common configuration for NXP Layerscape chassis generation 3
|
||
|
|
|
||
|
|
if { ![info exists _CPUS] } {
|
||
|
|
error "_CPUS must be set to the number of cores"
|
||
|
|
}
|
||
|
|
|
||
|
|
jtag newtap $_CHIPNAME dap -irlen 4 -expected-id $_DAP_TAPID
|
||
|
|
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.dap
|
||
|
|
|
||
|
|
target create $_CHIPNAME.axi mem_ap -dap $_CHIPNAME.dap -ap-num 1
|
||
|
|
|
||
|
|
set _CPU_BASE 0x81000000
|
||
|
|
set _CPU_STRIDE 0x100000
|
||
|
|
set _CPU_DBGOFF 0x10000
|
||
|
|
set _CPU_CTIOFF 0x20000
|
||
|
|
|
||
|
|
set _TARGETS {}
|
||
|
|
for {set i 0} {$i < $_CPUS} {incr i} {
|
||
|
|
set _BASE [expr {$_CPU_BASE + $_CPU_STRIDE * $i}]
|
||
|
|
cti create $_CHIPNAME.cti$i -dap $_CHIPNAME.dap -ap-num 0 \
|
||
|
|
-baseaddr [expr {$_BASE + $_CPU_CTIOFF}]
|
||
|
|
target create $_CHIPNAME.cpu$i aarch64 -dap $_CHIPNAME.dap \
|
||
|
|
-cti $_CHIPNAME.cti$i -dbgbase [expr {$_BASE + $_CPU_DBGOFF}] \
|
||
|
|
{*}[expr {$i ? "-coreid $i" : "-rtos hwthread" }]
|
||
|
|
lappend _TARGETS $_CHIPNAME.cpu$i
|
||
|
|
}
|
||
|
|
|
||
|
|
target smp {*}$_TARGETS
|
||
|
|
|
||
|
|
# Service processor
|
||
|
|
target create $_CHIPNAME.sp cortex_a -dap $_CHIPNAME.dap -ap-num 0 -dbgbase 0x80138000
|
||
|
|
|
||
|
|
# Normally you will not need to call this, but if you are using the hard-coded
|
||
|
|
# Reset Configuration Word (RCW) you will need to call this manually. The CPU's
|
||
|
|
# reset vector is 0, and the boot ROM at that location contains ARMv7-A 32-bit
|
||
|
|
# instructions. This will cause the CPU to almost immediately execute an
|
||
|
|
# illegal instruction.
|
||
|
|
#
|
||
|
|
# This code is idempotent; releasing a released CPU has no effect, although it
|
||
|
|
# will halt/resume the service processor.
|
||
|
|
add_help_text release_cpu "Release a cpu which is held off"
|
||
|
|
proc release_cpu {cpu} {
|
||
|
|
set RST_BRRL 0x1e60060
|
||
|
|
|
||
|
|
set old [target current]
|
||
|
|
targets $::_CHIPNAME.sp
|
||
|
|
set not_halted [string compare halted [$::_CHIPNAME.sp curstate]]
|
||
|
|
if {$not_halted} {
|
||
|
|
halt
|
||
|
|
}
|
||
|
|
|
||
|
|
# Release the cpu; it will start executing something bogus
|
||
|
|
mem2array regs 32 $RST_BRRL 1
|
||
|
|
mww $RST_BRRL [expr {$regs(0) | 1 << $cpu}]
|
||
|
|
|
||
|
|
if {$not_halted} {
|
||
|
|
resume
|
||
|
|
}
|
||
|
|
targets $old
|
||
|
|
}
|
||
|
|
|
||
|
|
targets $_CHIPNAME.cpu0
|