Linux Kernel  3.7.1
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mpp.c
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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 <mach/hardware.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(),
37 }