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hw/misc: Add MPFS system reset support

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Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20250319061342.26435-2-sebastian.huber@embedded-brains.de>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Sebastian Huber 2025-03-19 07:13:33 +01:00 • committed by Alistair Francis
parent 28c12c1f2f
commit 4c1a39eebc
1 changed files with 7 additions and 0 deletions
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7
hw/misc/mchp_pfsoc_sysreg.c
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@ -27,7 +27,9 @@
#include "hw/irq.h" #include "hw/irq.h"
#include "hw/sysbus.h" #include "hw/sysbus.h"
#include "hw/misc/mchp_pfsoc_sysreg.h" #include "hw/misc/mchp_pfsoc_sysreg.h"
#include "system/runstate.h"
#define MSS_RESET_CR 0x18
#define ENVM_CR 0xb8 #define ENVM_CR 0xb8
#define MESSAGE_INT 0x118c #define MESSAGE_INT 0x118c
@ -56,6 +58,11 @@ static void mchp_pfsoc_sysreg_write(void *opaque, hwaddr offset,
{ {
MchpPfSoCSysregState *s = opaque; MchpPfSoCSysregState *s = opaque;
switch (offset) { switch (offset) {
case MSS_RESET_CR:
if (value == 0xdead) {
qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
}
break;
case MESSAGE_INT: case MESSAGE_INT:
qemu_irq_lower(s->irq); qemu_irq_lower(s->irq);
break; break;