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ppc/pnv: psi: add a reset handler

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Reset all regs but keep the MMIO BAR enabled as it is at realize time.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190306085032.15744-14-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2019-03-06 09:50:18 +01:00 committed by David Gibson
parent 029699aa04
commit f7eb6a0a9b
1 changed files with 11 additions and 0 deletions
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11
hw/ppc/pnv_psi.c
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@ -442,6 +442,15 @@ static const MemoryRegionOps pnv_psi_xscom_ops = {
}
};
static void pnv_psi_reset(void *dev)
{
PnvPsi *psi = PNV_PSI(dev);
memset(psi->regs, 0x0, sizeof(psi->regs));
psi->regs[PSIHB_XSCOM_BAR] = psi->bar | PSIHB_BAR_EN;
}
static void pnv_psi_init(Object *obj)
{
PnvPsi *psi = PNV_PSI(obj);
@ -511,6 +520,8 @@ static void pnv_psi_realize(DeviceState *dev, Error **errp)
psi->regs[xivr] = PSIHB_XIVR_PRIO_MSK |
((uint64_t) i << PSIHB_XIVR_SRC_SH);
}
qemu_register_reset(pnv_psi_reset, dev);
}
static int pnv_psi_dt_xscom(PnvXScomInterface *dev, void *fdt, int xscom_offset)