48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0
|
|
*
|
|
* include/asm-sh/snapgear.h
|
|
*
|
|
* Modified version of io_se.h for the snapgear-specific functions.
|
|
*
|
|
* IO functions for a SnapGear
|
|
*/
|
|
|
|
#ifndef _ASM_SH_IO_SNAPGEAR_H
|
|
#define _ASM_SH_IO_SNAPGEAR_H
|
|
|
|
#define __IO_PREFIX snapgear
|
|
#include <asm/io_generic.h>
|
|
|
|
/*
|
|
* We need to remember what was written to the ioport as some bits
|
|
* are shared with other functions and you cannot read back what was
|
|
* written :-|
|
|
*
|
|
* Bit Read Write
|
|
* -----------------------------------------------
|
|
* D0 DCD on ttySC1 power
|
|
* D1 Reset Switch heatbeat
|
|
* D2 ttySC0 CTS (7100) LAN
|
|
* D3 - WAN
|
|
* D4 ttySC0 DCD (7100) CONSOLE
|
|
* D5 - ONLINE
|
|
* D6 - VPN
|
|
* D7 - DTR on ttySC1
|
|
* D8 - ttySC0 RTS (7100)
|
|
* D9 - ttySC0 DTR (7100)
|
|
* D10 - RTC SCLK
|
|
* D11 RTC DATA RTC DATA
|
|
* D12 - RTS RESET
|
|
*/
|
|
|
|
#define SECUREEDGE_IOPORT_ADDR ((volatile short *) 0xb0000000)
|
|
extern unsigned short secureedge5410_ioport;
|
|
|
|
#define SECUREEDGE_WRITE_IOPORT(val, mask) (*SECUREEDGE_IOPORT_ADDR = \
|
|
(secureedge5410_ioport = \
|
|
((secureedge5410_ioport & ~(mask)) | ((val) & (mask)))))
|
|
#define SECUREEDGE_READ_IOPORT() \
|
|
((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817))
|
|
|
|
#endif /* _ASM_SH_IO_SNAPGEAR_H */
|