linux/arch/arm/mach-kirkwood/mpp.c
Andrew Lunn b2f427a108 ARM: orion: Refactor the MPP code common in the orion platform
mv78xx0 and kirkwood use identical mpp code.

It should also be possible to rewrite the orion5x mpp to use this
platform code.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
2011-05-16 15:25:54 -04:00

45 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/kernel.h>
#include <linux/init.h>
#include <linux/mbus.h>
#include <linux/io.h>
#include <asm/gpio.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);
}