reset.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
// Use simple device model for this file even in ramstage
#define __SIMPLE_DEVICE__
 
#include <device/pci_ops.h>
#include <cf9_reset.h>
#include <reset.h>
 
#define HT_INIT_CONTROL         0x6c
#define HTIC_ColdR_Detect       (1<<4)
#define HTIC_BIOSR_Detect       (1<<5)
#define HTIC_INIT_Detect        (1<<6)
 
void cf9_reset_prepare(void)
{
        u32 htic;
        htic = pci_s_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL);
        htic &= ~HTIC_BIOSR_Detect;
        pci_s_write_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL, htic);
}
 
void do_board_reset(void)
{
        system_reset();
}