xref: /openbmc/linux/arch/arm/mach-orion5x/mpp.c (revision 0fdebc5e) 
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * arch/arm/mach-orion5x/mpp.c
4  *
5  * MPP functions for Marvell Orion 5x SoCs
6  */
7 
8 #include <linux/kernel.h>
9 #include <linux/init.h>
10 #include <linux/io.h>
11 #include <plat/mpp.h>
12 #include "orion5x.h"
13 #include "mpp.h"
14 #include "common.h"
15 
orion5x_variant(void)16 static unsigned int __init orion5x_variant(void)
17 {
18 	u32 dev;
19 	u32 rev;
20 
21 	orion5x_pcie_id(&dev, &rev);
22 
23 	if (dev == MV88F5181_DEV_ID)
24 		return MPP_F5181_MASK;
25 
26 	if (dev == MV88F5182_DEV_ID)
27 		return MPP_F5182_MASK;
28 
29 	if (dev == MV88F5281_DEV_ID)
30 		return MPP_F5281_MASK;
31 
32 	printk(KERN_ERR "MPP setup: unknown orion5x variant "
33 	       "(dev %#x rev %#x)\n", dev, rev);
34 	return 0;
35 }
36 
orion5x_mpp_conf(unsigned int * mpp_list)37 void __init orion5x_mpp_conf(unsigned int *mpp_list)
38 {
39 	orion_mpp_conf(mpp_list, orion5x_variant(),
40 		       MPP_MAX, ORION5X_DEV_BUS_VIRT_BASE);
41 }
42