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