35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/*
|
|
* arch/arm/plat-orion/include/plat/mpp.h
|
|
*
|
|
* Marvell Orion SoC MPP handling.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __PLAT_MPP_H
|
|
#define __PLAT_MPP_H
|
|
|
|
#define MPP_NUM(x) ((x) & 0xff)
|
|
#define MPP_SEL(x) (((x) >> 8) & 0xf)
|
|
|
|
/* This is the generic MPP macro, without any variant information.
|
|
Each machine architecture is expected to extend this with further
|
|
bit fields indicating which MPP configurations are valid for a
|
|
specific variant. */
|
|
|
|
#define GENERIC_MPP(_num, _sel, _in, _out) ( \
|
|
/* MPP number */ ((_num) & 0xff) | \
|
|
/* MPP select value */ (((_sel) & 0xf) << 8) | \
|
|
/* may be input signal */ ((!!(_in)) << 12) | \
|
|
/* may be output signal */ ((!!(_out)) << 13))
|
|
|
|
#define MPP_INPUT_MASK GENERIC_MPP(0, 0x0, 1, 0)
|
|
#define MPP_OUTPUT_MASK GENERIC_MPP(0, 0x0, 0, 1)
|
|
|
|
void __init orion_mpp_conf(unsigned int *mpp_list, unsigned int variant_mask,
|
|
unsigned int mpp_max, void __iomem *dev_bus);
|
|
|
|
#endif
|