xref: /OK3568_Linux_fs/kernel/arch/arm/mach-orion5x/mpp.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * arch/arm/mach-orion5x/mpp.c
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * MPP functions for Marvell Orion 5x SoCs
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * This file is licensed under the terms of the GNU General Public
7*4882a593Smuzhiyun  * License version 2.  This program is licensed "as is" without any
8*4882a593Smuzhiyun  * warranty of any kind, whether express or implied.
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <linux/kernel.h>
12*4882a593Smuzhiyun #include <linux/init.h>
13*4882a593Smuzhiyun #include <linux/io.h>
14*4882a593Smuzhiyun #include <plat/mpp.h>
15*4882a593Smuzhiyun #include "orion5x.h"
16*4882a593Smuzhiyun #include "mpp.h"
17*4882a593Smuzhiyun #include "common.h"
18*4882a593Smuzhiyun 
orion5x_variant(void)19*4882a593Smuzhiyun static unsigned int __init orion5x_variant(void)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun 	u32 dev;
22*4882a593Smuzhiyun 	u32 rev;
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	orion5x_pcie_id(&dev, &rev);
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun 	if (dev == MV88F5181_DEV_ID)
27*4882a593Smuzhiyun 		return MPP_F5181_MASK;
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun 	if (dev == MV88F5182_DEV_ID)
30*4882a593Smuzhiyun 		return MPP_F5182_MASK;
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun 	if (dev == MV88F5281_DEV_ID)
33*4882a593Smuzhiyun 		return MPP_F5281_MASK;
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun 	printk(KERN_ERR "MPP setup: unknown orion5x variant "
36*4882a593Smuzhiyun 	       "(dev %#x rev %#x)\n", dev, rev);
37*4882a593Smuzhiyun 	return 0;
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun 
orion5x_mpp_conf(unsigned int * mpp_list)40*4882a593Smuzhiyun void __init orion5x_mpp_conf(unsigned int *mpp_list)
41*4882a593Smuzhiyun {
42*4882a593Smuzhiyun 	orion_mpp_conf(mpp_list, orion5x_variant(),
43*4882a593Smuzhiyun 		       MPP_MAX, ORION5X_DEV_BUS_VIRT_BASE);
44*4882a593Smuzhiyun }
45