mpp.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * arch/arm/mach-mv78x00/mpp.c
 4 *
 5 * MPP functions for Marvell MV78x00 SoCs
 6 */
 7#include <linux/gpio.h>
 8#include <linux/kernel.h>
 9#include <linux/init.h>
10#include <linux/io.h>
11#include <plat/mpp.h>
12#include "mv78xx0.h"
13#include "common.h"
14#include "mpp.h"
15
16static unsigned int __init mv78xx0_variant(void)
17{
18	u32 dev, rev;
19
20	mv78xx0_pcie_id(&dev, &rev);
21
22	if (dev == MV78100_DEV_ID && rev >= MV78100_REV_A0)
23		return MPP_78100_A0_MASK;
24
25	printk(KERN_ERR "MPP setup: unknown mv78x00 variant "
26			"(dev %#x rev %#x)\n", dev, rev);
27	return 0;
28}
29
30void __init mv78xx0_mpp_conf(unsigned int *mpp_list)
31{
32	orion_mpp_conf(mpp_list, mv78xx0_variant(),
33		       MPP_MAX, DEV_BUS_VIRT_BASE);
34}