93 lines
		
	
	
	
		
			2.9 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			93 lines
		
	
	
	
		
			2.9 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
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								/*
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								 * include/asm-sh/snapgear/io.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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								 * May be copied or modified under the terms of the GNU General Public
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								 * License.  See linux/COPYING for more information.
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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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								#if defined(CONFIG_CPU_SH4)
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								/*
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								 * The external interrupt lines, these take up ints 0 - 15 inclusive
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								 * depending on the priority for the interrupt.  In fact the priority
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								 * is the interrupt :-)
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								 */
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								#define IRL0_IRQ		2
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								#define IRL0_IPR_ADDR	INTC_IPRD
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								#define IRL0_IPR_POS	3
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								#define IRL0_PRIORITY	13
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								#define IRL1_IRQ		5
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								#define IRL1_IPR_ADDR	INTC_IPRD
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								#define IRL1_IPR_POS	2
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								#define IRL1_PRIORITY	10
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								#define IRL2_IRQ		8
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								#define IRL2_IPR_ADDR	INTC_IPRD
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								#define IRL2_IPR_POS	1
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								#define IRL2_PRIORITY	7
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								#define IRL3_IRQ		11
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								#define IRL3_IPR_ADDR	INTC_IPRD
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								#define IRL3_IPR_POS	0
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								#define IRL3_PRIORITY	4
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								#endif
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								extern unsigned char snapgear_inb(unsigned long port);
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								extern unsigned short snapgear_inw(unsigned long port);
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								extern unsigned int snapgear_inl(unsigned long port);
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								extern void snapgear_outb(unsigned char value, unsigned long port);
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								extern void snapgear_outw(unsigned short value, unsigned long port);
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								extern void snapgear_outl(unsigned int value, unsigned long port);
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								extern unsigned char snapgear_inb_p(unsigned long port);
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								extern void snapgear_outb_p(unsigned char value, unsigned long port);
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								extern void snapgear_insl(unsigned long port, void *addr, unsigned long count);
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								extern void snapgear_outsl(unsigned long port, const void *addr, unsigned long count);
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								extern unsigned long snapgear_isa_port2addr(unsigned long offset);
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								#ifdef CONFIG_SH_SECUREEDGE5410
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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
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								#endif /* _ASM_SH_IO_SNAPGEAR_H */
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