xref: /openbmc/linux/arch/arm/mach-mv78xx0/mpp.c (revision 842ed298)
1 /*
2  * arch/arm/mach-mv78x00/mpp.c
3  *
4  * MPP functions for Marvell MV78x00 SoCs
5  *
6  * This file is licensed under the terms of the GNU General Public
7  * License version 2.  This program is licensed "as is" without any
8  * warranty of any kind, whether express or implied.
9  */
10 #include <linux/gpio.h>
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/io.h>
14 #include <plat/mpp.h>
15 #include "mv78xx0.h"
16 #include "common.h"
17 #include "mpp.h"
18 
19 static unsigned int __init mv78xx0_variant(void)
20 {
21 	u32 dev, rev;
22 
23 	mv78xx0_pcie_id(&dev, &rev);
24 
25 	if (dev == MV78100_DEV_ID && rev >= MV78100_REV_A0)
26 		return MPP_78100_A0_MASK;
27 
28 	printk(KERN_ERR "MPP setup: unknown mv78x00 variant "
29 			"(dev %#x rev %#x)\n", dev, rev);
30 	return 0;
31 }
32 
33 void __init mv78xx0_mpp_conf(unsigned int *mpp_list)
34 {
35 	orion_mpp_conf(mpp_list, mv78xx0_variant(),
36 		       MPP_MAX, DEV_BUS_VIRT_BASE);
37 }
38