# Renesas R-Car Generation 3 SOCs
# - There are a combination of Cortex-A57s, Cortex-A53s, and Cortex-R7 for each Gen3 SOC
# - Each SOC can boot through any of the, up to 3, core types that it has
#   e.g. H3 can boot through Cortex-A57, Cortex-A53, or Cortex-R7

# Supported Gen3 SOCs and their cores:
#  H3: Cortex-A57 x 4, Cortex-A53 x 4, Cortex-R7 x 2 (Lock-Step)
# M3W: Cortex-A57 x 2, Cortex-A53 x 4, Cortex-R7 x 2 (Lock-Step)
# M3N: Cortex-A57 x 2,                 Cortex-R7 x 2 (Lock-Step)
# V3H:                 Cortex-A53 x 4, Cortex-R7 x 2 (Lock-Step)
# V3M:                 Cortex-A53 x 2, Cortex-R7 x 2 (Lock-Step)
#  E3:                 Cortex-A53 x 1, Cortex-R7 x 2 (Lock-Step)
#  D3:                 Cortex-A53 x 1

# Usage:
# There are 2 configuration options:
# SOC:       Selects the supported SOC. (Default 'H3')
# BOOT_CORE: Selects the booting core. 'CA57', 'CA53', or 'CR7'
#            Defaults to 'CA57' if the SOC has one, else defaults to 'CA53'

if { [info exists SOC] } {
	set _soc $SOC
} else {
	set _soc H3
}

# Set configuration for each SOC and the default 'BOOT_CORE'
switch $_soc {
	H3 {
		set _CHIPNAME r8a77950
		set _num_ca57 4
		set _num_ca53 4
		set _num_cr7 1
		set _boot_core CA57
	}
	M3W {
		set _CHIPNAME r8a77960
		set _num_ca57 2
		set _num_ca53 4
		set _num_cr7 1
		set _boot_core CA57
	}
	M3N {
		set _CHIPNAME r8a77965
		set _num_ca57 2
		set _num_ca53 4
		set _num_cr7 1
		set _boot_core CA57
	}
	V3H {
		set _CHIPNAME r8a77970
		set _num_ca57 0
		set _num_ca53 4
		set _num_cr7 1
		set _boot_core CA53
	}
	V3M {
		set _CHIPNAME r8a77980
		set _num_ca57 0
		set _num_ca53 2
		set _num_cr7 1
		set _boot_core CA53
	}
	E3 {
		set _CHIPNAME r8a77990
		set _num_ca57 0
		set _num_ca53 1
		set _num_cr7 1
		set _boot_core CA53
	}
	D3 {
		set _CHIPNAME r8a77995
		set _num_ca57 0
		set _num_ca53 1
		set _num_cr7 0
		set _boot_core CA53
	}
	default {
		echo "'$_soc' is invalid!"
	}
}

# If configured, override the default 'CHIPNAME'
if { [info exists CHIPNAME] } {
	set _CHIPNAME $CHIPNAME
}

# If configured, override the default 'BOOT_CORE'
if { [info exists BOOT_CORE] } {
	set _boot_core $BOOT_CORE
}

if { [info exists DAP_TAPID] } {
	set _DAP_TAPID $DAP_TAPID
} else {
	set _DAP_TAPID 0x5ba00477
}

echo "\t$_soc - $_num_ca57 CA57(s), $_num_ca53 CA53(s), $_num_cr7 CR7(s)"
echo "\tBoot Core - $_boot_core\n"

set _DAPNAME $_CHIPNAME.dap

# TAP and DAP
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x01 -irmask 0x0f -expected-id $_DAP_TAPID
dap create $_DAPNAME -chain-position $_CHIPNAME.cpu

set CA57_DBGBASE {0x80410000 0x80510000 0x80610000 0x80710000}
set CA57_CTIBASE {0x80420000 0x80520000 0x80620000 0x80720000}
set CA53_DBGBASE {0x80C10000 0x80D10000 0x80E10000 0x80F10000}
set CA53_CTIBASE {0x80C20000 0x80D20000 0x80E20000 0x80F20000}
set  CR7_DBGBASE 0x80910000
set  CR7_CTIBASE 0x80918000

set smp_targets ""

proc setup_a5x {core_name dbgbase ctibase num boot} {
	global _CHIPNAME
	global _DAPNAME
	global smp_targets
	for { set _core 0 } { $_core < $num } { incr _core } {
		set _TARGETNAME $_CHIPNAME.$core_name.$_core
		set _CTINAME $_TARGETNAME.cti
		cti create $_CTINAME -dap $_DAPNAME -ap-num 1 \
			-ctibase [lindex $ctibase $_core]
		set _command "target create $_TARGETNAME aarch64 -dap $_DAPNAME \
			-ap-num 1 -dbgbase [lindex $dbgbase $_core] -cti $_CTINAME"
		if { $_core == 0  && $boot == 1 } {
			set _targets "$_TARGETNAME"
		} else {
			set _command "$_command -defer-examine"
		}
		set smp_targets "$smp_targets $_TARGETNAME"
		eval $_command
	}
}

proc setup_cr7 {dbgbase ctibase boot} {
	global _CHIPNAME
	global _DAPNAME
	set _TARGETNAME $_CHIPNAME.r7
	set _CTINAME $_TARGETNAME.cti
	cti create $_CTINAME -dap $_DAPNAME -ap-num 1 -ctibase $ctibase
	set _command "target create $_TARGETNAME cortex_r4 -dap $_DAPNAME \
		-ap-num 1 -dbgbase $dbgbase"
	if { $boot == 1 } {
		set _targets "$_TARGETNAME"
	} else {
		set _command "$_command -defer-examine"
	}
	eval $_command
}

# Organize target list based on the boot core
if { [string equal $_boot_core CA57] } {
	setup_a5x a57 $CA57_DBGBASE $CA57_CTIBASE $_num_ca57 1
	setup_a5x a53 $CA53_DBGBASE $CA53_CTIBASE $_num_ca53 0
	setup_cr7 $CR7_DBGBASE $CR7_CTIBASE 0
} elseif { [string equal $_boot_core CA53] } {
	setup_a5x a53 $CA53_DBGBASE $CA53_CTIBASE $_num_ca53 1
	setup_a5x a57 $CA57_DBGBASE $CA57_CTIBASE $_num_ca57 0
	setup_cr7 $CR7_DBGBASE $CR7_CTIBASE 0
} else {
	setup_cr7 $CR7_DBGBASE $CR7_CTIBASE 1
	setup_a5x a57 $CA57_DBGBASE $CA57_CTIBASE $_num_ca57 0
	setup_a5x a53 $CA53_DBGBASE $CA53_CTIBASE $_num_ca53 0
}

eval "target smp $smp_targets"
