1*6a0abce4SKuninori Morimoto /* SPDX-License-Identifier: GPL-2.0 2*6a0abce4SKuninori Morimoto * 3f6eec8d6SPaul Mundt * include/asm-sh/snapgear.h 4f6eec8d6SPaul Mundt * 5f6eec8d6SPaul Mundt * Modified version of io_se.h for the snapgear-specific functions. 6f6eec8d6SPaul Mundt * 7f6eec8d6SPaul Mundt * IO functions for a SnapGear 8f6eec8d6SPaul Mundt */ 9f6eec8d6SPaul Mundt 10f6eec8d6SPaul Mundt #ifndef _ASM_SH_IO_SNAPGEAR_H 11f6eec8d6SPaul Mundt #define _ASM_SH_IO_SNAPGEAR_H 12f6eec8d6SPaul Mundt 13f6eec8d6SPaul Mundt #define __IO_PREFIX snapgear 14f6eec8d6SPaul Mundt #include <asm/io_generic.h> 15f6eec8d6SPaul Mundt 16f6eec8d6SPaul Mundt /* 17f6eec8d6SPaul Mundt * We need to remember what was written to the ioport as some bits 18f6eec8d6SPaul Mundt * are shared with other functions and you cannot read back what was 19f6eec8d6SPaul Mundt * written :-| 20f6eec8d6SPaul Mundt * 21f6eec8d6SPaul Mundt * Bit Read Write 22f6eec8d6SPaul Mundt * ----------------------------------------------- 23f6eec8d6SPaul Mundt * D0 DCD on ttySC1 power 24f6eec8d6SPaul Mundt * D1 Reset Switch heatbeat 25f6eec8d6SPaul Mundt * D2 ttySC0 CTS (7100) LAN 26f6eec8d6SPaul Mundt * D3 - WAN 27f6eec8d6SPaul Mundt * D4 ttySC0 DCD (7100) CONSOLE 28f6eec8d6SPaul Mundt * D5 - ONLINE 29f6eec8d6SPaul Mundt * D6 - VPN 30f6eec8d6SPaul Mundt * D7 - DTR on ttySC1 31f6eec8d6SPaul Mundt * D8 - ttySC0 RTS (7100) 32f6eec8d6SPaul Mundt * D9 - ttySC0 DTR (7100) 33f6eec8d6SPaul Mundt * D10 - RTC SCLK 34f6eec8d6SPaul Mundt * D11 RTC DATA RTC DATA 35f6eec8d6SPaul Mundt * D12 - RTS RESET 36f6eec8d6SPaul Mundt */ 37f6eec8d6SPaul Mundt 38f6eec8d6SPaul Mundt #define SECUREEDGE_IOPORT_ADDR ((volatile short *) 0xb0000000) 39f6eec8d6SPaul Mundt extern unsigned short secureedge5410_ioport; 40f6eec8d6SPaul Mundt 41f6eec8d6SPaul Mundt #define SECUREEDGE_WRITE_IOPORT(val, mask) (*SECUREEDGE_IOPORT_ADDR = \ 42f6eec8d6SPaul Mundt (secureedge5410_ioport = \ 43f6eec8d6SPaul Mundt ((secureedge5410_ioport & ~(mask)) | ((val) & (mask))))) 44f6eec8d6SPaul Mundt #define SECUREEDGE_READ_IOPORT() \ 45f6eec8d6SPaul Mundt ((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817)) 46f6eec8d6SPaul Mundt 47f6eec8d6SPaul Mundt #endif /* _ASM_SH_IO_SNAPGEAR_H */ 48