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1 | /* SPDX-License-Identifier: GPL-2.0 |
---|---|
2 | * |
3 | * include/asm-sh/snapgear.h |
4 | * |
5 | * Modified version of io_se.h for the snapgear-specific functions. |
6 | * |
7 | * IO functions for a SnapGear |
8 | */ |
9 | |
10 | #ifndef _ASM_SH_IO_SNAPGEAR_H |
11 | #define _ASM_SH_IO_SNAPGEAR_H |
12 | |
13 | #define __IO_PREFIX snapgear |
14 | #include <asm/io_generic.h> |
15 | |
16 | /* |
17 | * We need to remember what was written to the ioport as some bits |
18 | * are shared with other functions and you cannot read back what was |
19 | * written :-| |
20 | * |
21 | * Bit Read Write |
22 | * ----------------------------------------------- |
23 | * D0 DCD on ttySC1 power |
24 | * D1 Reset Switch heatbeat |
25 | * D2 ttySC0 CTS (7100) LAN |
26 | * D3 - WAN |
27 | * D4 ttySC0 DCD (7100) CONSOLE |
28 | * D5 - ONLINE |
29 | * D6 - VPN |
30 | * D7 - DTR on ttySC1 |
31 | * D8 - ttySC0 RTS (7100) |
32 | * D9 - ttySC0 DTR (7100) |
33 | * D10 - RTC SCLK |
34 | * D11 RTC DATA RTC DATA |
35 | * D12 - RTS RESET |
36 | */ |
37 | |
38 | #define SECUREEDGE_IOPORT_ADDR ((volatile short *) 0xb0000000) |
39 | extern unsigned short secureedge5410_ioport; |
40 | |
41 | #define SECUREEDGE_WRITE_IOPORT(val, mask) (*SECUREEDGE_IOPORT_ADDR = \ |
42 | (secureedge5410_ioport = \ |
43 | ((secureedge5410_ioport & ~(mask)) | ((val) & (mask))))) |
44 | #define SECUREEDGE_READ_IOPORT() \ |
45 | ((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817)) |
46 | |
47 | #endif /* _ASM_SH_IO_SNAPGEAR_H */ |
48 |
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