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/arch/arm/mach-kirkwood/mpp.c

https://github.com/AICP/kernel_google_msm
C | 42 lines | 28 code | 5 blank | 9 comment | 9 complexity | 5962ab314ed1d5ccff4250e06d9c9667 MD5 | raw file
 1/*
 2 * arch/arm/mach-kirkwood/mpp.c
 3 *
 4 * MPP functions for Marvell Kirkwood 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 <mach/hardware.h>
15#include <plat/mpp.h>
16#include "common.h"
17#include "mpp.h"
18
19static unsigned int __init kirkwood_variant(void)
20{
21	u32 dev, rev;
22
23	kirkwood_pcie_id(&dev, &rev);
24
25	if ((dev == MV88F6281_DEV_ID && rev >= MV88F6281_REV_A0) ||
26	    (dev == MV88F6282_DEV_ID))
27		return MPP_F6281_MASK;
28	if (dev == MV88F6192_DEV_ID && rev >= MV88F6192_REV_A0)
29		return MPP_F6192_MASK;
30	if (dev == MV88F6180_DEV_ID)
31		return MPP_F6180_MASK;
32
33	printk(KERN_ERR "MPP setup: unknown kirkwood variant "
34			"(dev %#x rev %#x)\n", dev, rev);
35	return 0;
36}
37
38void __init kirkwood_mpp_conf(unsigned int *mpp_list)
39{
40	orion_mpp_conf(mpp_list, kirkwood_variant(),
41		       MPP_MAX, DEV_BUS_VIRT_BASE);
42}