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Diffstat (limited to 'arch/sh/include/asm/snapgear.h')
-rw-r--r-- | arch/sh/include/asm/snapgear.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/sh/include/asm/snapgear.h b/arch/sh/include/asm/snapgear.h new file mode 100644 index 000000000000..042d95f51c4d --- /dev/null +++ b/arch/sh/include/asm/snapgear.h @@ -0,0 +1,71 @@ +/* + * include/asm-sh/snapgear.h + * + * Modified version of io_se.h for the snapgear-specific functions. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * IO functions for a SnapGear + */ + +#ifndef _ASM_SH_IO_SNAPGEAR_H +#define _ASM_SH_IO_SNAPGEAR_H + +#if defined(CONFIG_CPU_SH4) +/* + * The external interrupt lines, these take up ints 0 - 15 inclusive + * depending on the priority for the interrupt. In fact the priority + * is the interrupt :-) + */ + +#define IRL0_IRQ 2 +#define IRL0_PRIORITY 13 + +#define IRL1_IRQ 5 +#define IRL1_PRIORITY 10 + +#define IRL2_IRQ 8 +#define IRL2_PRIORITY 7 + +#define IRL3_IRQ 11 +#define IRL3_PRIORITY 4 +#endif + +#define __IO_PREFIX snapgear +#include <asm/io_generic.h> + +#ifdef CONFIG_SH_SECUREEDGE5410 +/* + * 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 + +#endif /* _ASM_SH_IO_SNAPGEAR_H */ |