Commit e5694793 authored by Cédric Le Goater's avatar Cédric Le Goater Committed by David Gibson
Browse files

ppc/pnv: add a "ibm,opal/power-mgt" device tree node on POWER9 



Activate only stop0 and stop1 levels. We should not need more levels
when under QEMU.

Signed-off-by: default avatarCédric Le Goater <clg@kaod.org>
Message-Id: <20190307223548.20516-15-clg@kaod.org>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent bc565116

hw/ppc/pnv.c

+15 −0
Original line number Diff line number Diff line
@@ -438,6 +438,16 @@ static void pnv_dt_isa(PnvMachineState *pnv, void *fdt) 
                       &args);

}



static void pnv_dt_power_mgt(void *fdt)

{

    int off;



    off = fdt_add_subnode(fdt, 0, "ibm,opal");

    off = fdt_add_subnode(fdt, off, "power-mgt");



    _FDT(fdt_setprop_cell(fdt, off, "ibm,enabled-stop-levels", 0xc0000000));

}



static void *pnv_dt_create(MachineState *machine)

{

    const char plat_compat[] = "qemu,powernv\0ibm,powernv";
@@ -493,6 +503,11 @@ static void *pnv_dt_create(MachineState *machine) 
        pnv_dt_bmc_sensors(pnv->bmc, fdt);

    }



    /* Create an extra node for power management on Power9 */

    if (pnv_is_power9(pnv)) {

        pnv_dt_power_mgt(fdt);

    }



    return fdt;

}