| /* 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 */ |
