xref: /openbmc/linux/drivers/rtc/rtc-s3c.h (revision 884caada)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2003 Simtec Electronics <linux@simtec.co.uk>
4  *		      http://www.simtec.co.uk/products/SWLINUX/
5  *
6  * S3C2410 Internal RTC register definition
7 */
8 
9 #ifndef __ASM_ARCH_REGS_RTC_H
10 #define __ASM_ARCH_REGS_RTC_H __FILE__
11 
12 #define S3C2410_RTCREG(x) (x)
13 #define S3C2410_INTP		S3C2410_RTCREG(0x30)
14 #define S3C2410_INTP_ALM	(1 << 1)
15 #define S3C2410_INTP_TIC	(1 << 0)
16 
17 #define S3C2410_RTCCON		S3C2410_RTCREG(0x40)
18 #define S3C2410_RTCCON_RTCEN	(1 << 0)
19 #define S3C2410_RTCCON_CNTSEL	(1 << 2)
20 #define S3C2410_RTCCON_CLKRST	(1 << 3)
21 #define S3C2443_RTCCON_TICSEL	(1 << 4)
22 #define S3C64XX_RTCCON_TICEN	(1 << 8)
23 
24 #define S3C2410_TICNT		S3C2410_RTCREG(0x44)
25 #define S3C2410_TICNT_ENABLE	(1 << 7)
26 
27 /* S3C2443: tick count is 15 bit wide
28  * TICNT[6:0] contains upper 7 bits
29  * TICNT1[7:0] contains lower 8 bits
30  */
31 #define S3C2443_TICNT_PART(x)	((x & 0x7f00) >> 8)
32 #define S3C2443_TICNT1		S3C2410_RTCREG(0x4C)
33 #define S3C2443_TICNT1_PART(x)	(x & 0xff)
34 
35 /* S3C2416: tick count is 32 bit wide
36  * TICNT[6:0] contains bits [14:8]
37  * TICNT1[7:0] contains lower 8 bits
38  * TICNT2[16:0] contains upper 17 bits
39  */
40 #define S3C2416_TICNT2		S3C2410_RTCREG(0x48)
41 #define S3C2416_TICNT2_PART(x)	((x & 0xffff8000) >> 15)
42 
43 #define S3C2410_RTCALM		S3C2410_RTCREG(0x50)
44 #define S3C2410_RTCALM_ALMEN	(1 << 6)
45 #define S3C2410_RTCALM_YEAREN	(1 << 5)
46 #define S3C2410_RTCALM_MONEN	(1 << 4)
47 #define S3C2410_RTCALM_DAYEN	(1 << 3)
48 #define S3C2410_RTCALM_HOUREN	(1 << 2)
49 #define S3C2410_RTCALM_MINEN	(1 << 1)
50 #define S3C2410_RTCALM_SECEN	(1 << 0)
51 
52 #define S3C2410_ALMSEC		S3C2410_RTCREG(0x54)
53 #define S3C2410_ALMMIN		S3C2410_RTCREG(0x58)
54 #define S3C2410_ALMHOUR		S3C2410_RTCREG(0x5c)
55 
56 #define S3C2410_ALMDATE		S3C2410_RTCREG(0x60)
57 #define S3C2410_ALMMON		S3C2410_RTCREG(0x64)
58 #define S3C2410_ALMYEAR		S3C2410_RTCREG(0x68)
59 
60 #define S3C2410_RTCSEC		S3C2410_RTCREG(0x70)
61 #define S3C2410_RTCMIN		S3C2410_RTCREG(0x74)
62 #define S3C2410_RTCHOUR		S3C2410_RTCREG(0x78)
63 #define S3C2410_RTCDATE		S3C2410_RTCREG(0x7c)
64 #define S3C2410_RTCMON		S3C2410_RTCREG(0x84)
65 #define S3C2410_RTCYEAR		S3C2410_RTCREG(0x88)
66 
67 #endif /* __ASM_ARCH_REGS_RTC_H */
68