sched: speed up context-switches a bit
[pv_ops_mirror.git] / include / asm-sh / snapgear.h
blob042d95f51c4dc35c3cc5ac9558feb1026f1c99b9
1 /*
2 * include/asm-sh/snapgear.h
4 * Modified version of io_se.h for the snapgear-specific functions.
6 * May be copied or modified under the terms of the GNU General Public
7 * License. See linux/COPYING for more information.
9 * IO functions for a SnapGear
12 #ifndef _ASM_SH_IO_SNAPGEAR_H
13 #define _ASM_SH_IO_SNAPGEAR_H
15 #if defined(CONFIG_CPU_SH4)
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 :-)
22 #define IRL0_IRQ 2
23 #define IRL0_PRIORITY 13
25 #define IRL1_IRQ 5
26 #define IRL1_PRIORITY 10
28 #define IRL2_IRQ 8
29 #define IRL2_PRIORITY 7
31 #define IRL3_IRQ 11
32 #define IRL3_PRIORITY 4
33 #endif
35 #define __IO_PREFIX snapgear
36 #include <asm/io_generic.h>
38 #ifdef CONFIG_SH_SECUREEDGE5410
40 * We need to remember what was written to the ioport as some bits
41 * are shared with other functions and you cannot read back what was
42 * written :-|
44 * Bit Read Write
45 * -----------------------------------------------
46 * D0 DCD on ttySC1 power
47 * D1 Reset Switch heatbeat
48 * D2 ttySC0 CTS (7100) LAN
49 * D3 - WAN
50 * D4 ttySC0 DCD (7100) CONSOLE
51 * D5 - ONLINE
52 * D6 - VPN
53 * D7 - DTR on ttySC1
54 * D8 - ttySC0 RTS (7100)
55 * D9 - ttySC0 DTR (7100)
56 * D10 - RTC SCLK
57 * D11 RTC DATA RTC DATA
58 * D12 - RTS RESET
61 #define SECUREEDGE_IOPORT_ADDR ((volatile short *) 0xb0000000)
62 extern unsigned short secureedge5410_ioport;
64 #define SECUREEDGE_WRITE_IOPORT(val, mask) (*SECUREEDGE_IOPORT_ADDR = \
65 (secureedge5410_ioport = \
66 ((secureedge5410_ioport & ~(mask)) | ((val) & (mask)))))
67 #define SECUREEDGE_READ_IOPORT() \
68 ((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817))
69 #endif
71 #endif /* _ASM_SH_IO_SNAPGEAR_H */