1/*
2 * include/asm-sh/snapgear.h
3 *
4 * Modified version of io_se.h for the snapgear-specific functions.
5 *
6 * May be copied or modified under the terms of the GNU General Public
7 * License.  See linux/COPYING for more information.
8 *
9 * IO functions for a SnapGear
10 */
11
12#ifndef _ASM_SH_IO_SNAPGEAR_H
13#define _ASM_SH_IO_SNAPGEAR_H
14
15#if defined(CONFIG_CPU_SH4)
16/*
17 * The external interrupt lines, these take up ints 0 - 15 inclusive
18 * depending on the priority for the interrupt.  In fact the priority
19 * is the interrupt :-)
20 */
21
22#define IRL0_IRQ		2
23#define IRL0_IPR_ADDR	INTC_IPRD
24#define IRL0_IPR_POS	3
25#define IRL0_PRIORITY	13
26
27#define IRL1_IRQ		5
28#define IRL1_IPR_ADDR	INTC_IPRD
29#define IRL1_IPR_POS	2
30#define IRL1_PRIORITY	10
31
32#define IRL2_IRQ		8
33#define IRL2_IPR_ADDR	INTC_IPRD
34#define IRL2_IPR_POS	1
35#define IRL2_PRIORITY	7
36
37#define IRL3_IRQ		11
38#define IRL3_IPR_ADDR	INTC_IPRD
39#define IRL3_IPR_POS	0
40#define IRL3_PRIORITY	4
41#endif
42
43#define __IO_PREFIX	snapgear
44#include <asm/io_generic.h>
45
46#ifdef CONFIG_SH_SECUREEDGE5410
47/*
48 * We need to remember what was written to the ioport as some bits
49 * are shared with other functions and you cannot read back what was
50 * written :-|
51 *
52 * Bit        Read                   Write
53 * -----------------------------------------------
54 * D0         DCD on ttySC1          power
55 * D1         Reset Switch           heatbeat
56 * D2         ttySC0 CTS (7100)      LAN
57 * D3         -                      WAN
58 * D4         ttySC0 DCD (7100)      CONSOLE
59 * D5         -                      ONLINE
60 * D6         -                      VPN
61 * D7         -                      DTR on ttySC1
62 * D8         -                      ttySC0 RTS (7100)
63 * D9         -                      ttySC0 DTR (7100)
64 * D10        -                      RTC SCLK
65 * D11        RTC DATA               RTC DATA
66 * D12        -                      RTS RESET
67 */
68
69#define SECUREEDGE_IOPORT_ADDR ((volatile short *) 0xb0000000)
70extern unsigned short secureedge5410_ioport;
71
72#define SECUREEDGE_WRITE_IOPORT(val, mask) (*SECUREEDGE_IOPORT_ADDR = \
73	 (secureedge5410_ioport = \
74			((secureedge5410_ioport & ~(mask)) | ((val) & (mask)))))
75#define SECUREEDGE_READ_IOPORT() \
76	 ((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817))
77#endif
78
79#endif /* _ASM_SH_IO_SNAPGEAR_H */
80