# SPDX-License-Identifier: BSD-3-Clause
# Copyright (c) 2021 HPMicro
#
# datasheet: https://www.hpmicro.com/Public/Uploads/uploadfile/files/20251124/HPM67006400DSV27.pdf

if { [info exists CHIPNAME] } {
	set _CHIP $CHIPNAME
} else {
	set _CHIP hpm6750
}
set _CPUTAPID 0x1000563D
jtag newtap $_CHIP cpu -irlen 5 -expected-id $_CPUTAPID

set _TARGET0 $_CHIP.cpu0
target create $_TARGET0 riscv -chain-position $_CHIP.cpu -coreid 0

$_TARGET0 configure -work-area-phys 0x00000000 -work-area-size 0x20000 -work-area-backup 0

source [find target/hpmicro/hpm_common.cfg]
source [find target/hpmicro/hpm_common_csr.cfg]

proc release_core1 {} {
	set chip_rev [sba_read_mem 0x2001FF00]
	if {$chip_rev != 0x56010100 } {
		# set start point for core1
		sba_write_mem 0xF4002C08 0x20016284
	} else {
		sba_write_mem 0xF4002C08 0x2001660c
	}

	# set boot flag for core1
	sba_write_mem 0xF4002C0C 0xC1BEF1A9

	# release core1
	sba_write_mem 0xF4002C00 0x1000
}

set _TARGET1 $_CHIP.cpu1
target create $_TARGET1 riscv -chain-position $_CHIP.cpu -coreid 1
$_TARGET1 configure -work-area-phys 0x00000000 -work-area-size 0x20000 -work-area-backup 0

source [find target/hpmicro/hpm_common_csr.cfg]

$_TARGET1 configure -event examine-start {
	release_core1
}

$_TARGET1 configure -event reset-deassert-pre {
	$::_TARGET0 arp_poll
	release_core1
}

proc reset_soc {} {
	sba_write_mem 0xF40C001C 24000000
}