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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <soc/pci_devs.h>
#include <soc/pm.h>
void pmc_set_disb(void)
{
/* Set the DISB after DRAM init */
u32 disb_val = 0;
pci_devfn_t dev = PCH_DEV_PMC;
disb_val = pci_read_config32(dev, GEN_PMCON_A);
disb_val |= DISB;
/* Don't clear bits that are write-1-to-clear */
disb_val &= ~(GBL_RST_STS | MS4V);
pci_write_config32(dev, GEN_PMCON_A, disb_val);
}
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