ia64/linux-2.6.18-xen.hg

view include/asm-m32r/rtc.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 /* $Id: rtc.h,v 1.1.1.1 2004/03/25 04:29:22 hitoshiy Exp $ */
3 #ifndef __RTC_H__
4 #define __RTC_H__
8 /* Dallas DS1302 clock/calendar register numbers. */
9 # define RTC_SECONDS 0
10 # define RTC_MINUTES 1
11 # define RTC_HOURS 2
12 # define RTC_DAY_OF_MONTH 3
13 # define RTC_MONTH 4
14 # define RTC_WEEKDAY 5
15 # define RTC_YEAR 6
16 # define RTC_CONTROL 7
18 /* Bits in CONTROL register. */
19 # define RTC_CONTROL_WRITEPROTECT 0x80
20 # define RTC_TRICKLECHARGER 8
22 /* Bits in TRICKLECHARGER register TCS TCS TCS TCS DS DS RS RS. */
23 # define RTC_TCR_PATTERN 0xA0 /* 1010xxxx */
24 # define RTC_TCR_1DIOD 0x04 /* xxxx01xx */
25 # define RTC_TCR_2DIOD 0x08 /* xxxx10xx */
26 # define RTC_TCR_DISABLED 0x00 /* xxxxxx00 Disabled */
27 # define RTC_TCR_2KOHM 0x01 /* xxxxxx01 2KOhm */
28 # define RTC_TCR_4KOHM 0x02 /* xxxxxx10 4kOhm */
29 # define RTC_TCR_8KOHM 0x03 /* xxxxxx11 8kOhm */
31 #ifdef CONFIG_DS1302
32 extern unsigned char ds1302_readreg(int reg);
33 extern void ds1302_writereg(int reg, unsigned char val);
34 extern int ds1302_init(void);
35 # define CMOS_READ(x) ds1302_readreg(x)
36 # define CMOS_WRITE(val,reg) ds1302_writereg(reg,val)
37 # define RTC_INIT() ds1302_init()
38 #else
39 /* No RTC configured so we shouldn't try to access any. */
40 # define CMOS_READ(x) 42
41 # define CMOS_WRITE(x,y)
42 # define RTC_INIT() (-1)
43 #endif
45 /*
46 * The struct used to pass data via the following ioctl. Similar to the
47 * struct tm in <time.h>, but it needs to be here so that the kernel
48 * source is self contained, allowing cross-compiles, etc. etc.
49 */
50 struct rtc_time {
51 int tm_sec;
52 int tm_min;
53 int tm_hour;
54 int tm_mday;
55 int tm_mon;
56 int tm_year;
57 int tm_wday;
58 int tm_yday;
59 int tm_isdst;
60 };
62 /* ioctl() calls that are permitted to the /dev/rtc interface. */
63 #define RTC_MAGIC 'p'
64 #define RTC_RD_TIME _IOR(RTC_MAGIC, 0x09, struct rtc_time) /* Read RTC time. */
65 #define RTC_SET_TIME _IOW(RTC_MAGIC, 0x0a, struct rtc_time) /* Set RTC time. */
66 #define RTC_SET_CHARGE _IOW(RTC_MAGIC, 0x0b, int)
67 #define RTC_MAX_IOCTL 0x0b
69 #endif /* __RTC_H__ */