linux-sg2042/arch/arm/mach-kirkwood/mpp.c

44 lines
1.1 KiB
C

/*
* arch/arm/mach-kirkwood/mpp.c
*
* MPP functions for Marvell Kirkwood SoCs
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mbus.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <plat/mpp.h>
#include "common.h"
#include "mpp.h"
static unsigned int __init kirkwood_variant(void)
{
u32 dev, rev;
kirkwood_pcie_id(&dev, &rev);
if ((dev == MV88F6281_DEV_ID && rev >= MV88F6281_REV_A0) ||
(dev == MV88F6282_DEV_ID))
return MPP_F6281_MASK;
if (dev == MV88F6192_DEV_ID && rev >= MV88F6192_REV_A0)
return MPP_F6192_MASK;
if (dev == MV88F6180_DEV_ID)
return MPP_F6180_MASK;
printk(KERN_ERR "MPP setup: unknown kirkwood variant "
"(dev %#x rev %#x)\n", dev, rev);
return 0;
}
void __init kirkwood_mpp_conf(unsigned int *mpp_list)
{
orion_mpp_conf(mpp_list, kirkwood_variant(),
MPP_MAX, DEV_BUS_VIRT_BASE);
}