1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Freescale i.MX28 RTC Register Definitions
5 * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
6 * on behalf of DENX Software Engineering GmbH
9 #ifndef __MX28_REGS_RTC_H__
10 #define __MX28_REGS_RTC_H__
12 #include <asm/mach-imx/regs-common.h>
16 mxs_reg_32(hw_rtc_ctrl)
17 mxs_reg_32(hw_rtc_stat)
18 mxs_reg_32(hw_rtc_milliseconds)
19 mxs_reg_32(hw_rtc_seconds)
20 mxs_reg_32(hw_rtc_rtc_alarm)
21 mxs_reg_32(hw_rtc_watchdog)
22 mxs_reg_32(hw_rtc_persistent0)
23 mxs_reg_32(hw_rtc_persistent1)
24 mxs_reg_32(hw_rtc_persistent2)
25 mxs_reg_32(hw_rtc_persistent3)
26 mxs_reg_32(hw_rtc_persistent4)
27 mxs_reg_32(hw_rtc_persistent5)
28 mxs_reg_32(hw_rtc_debug)
29 mxs_reg_32(hw_rtc_version)
33 #define RTC_CTRL_SFTRST (1 << 31)
34 #define RTC_CTRL_CLKGATE (1 << 30)
35 #define RTC_CTRL_SUPPRESS_COPY2ANALOG (1 << 6)
36 #define RTC_CTRL_FORCE_UPDATE (1 << 5)
37 #define RTC_CTRL_WATCHDOGEN (1 << 4)
38 #define RTC_CTRL_ONEMSEC_IRQ (1 << 3)
39 #define RTC_CTRL_ALARM_IRQ (1 << 2)
40 #define RTC_CTRL_ONEMSEC_IRQ_EN (1 << 1)
41 #define RTC_CTRL_ALARM_IRQ_EN (1 << 0)
43 #define RTC_STAT_RTC_PRESENT (1 << 31)
44 #define RTC_STAT_ALARM_PRESENT (1 << 30)
45 #define RTC_STAT_WATCHDOG_PRESENT (1 << 29)
46 #define RTC_STAT_XTAL32000_PRESENT (1 << 28)
47 #define RTC_STAT_XTAL32768_PRESENT (1 << 27)
48 #define RTC_STAT_STALE_REGS_MASK (0xff << 16)
49 #define RTC_STAT_STALE_REGS_OFFSET 16
50 #define RTC_STAT_NEW_REGS_MASK (0xff << 8)
51 #define RTC_STAT_NEW_REGS_OFFSET 8
53 #define RTC_MILLISECONDS_COUNT_MASK 0xffffffff
54 #define RTC_MILLISECONDS_COUNT_OFFSET 0
56 #define RTC_SECONDS_COUNT_MASK 0xffffffff
57 #define RTC_SECONDS_COUNT_OFFSET 0
59 #define RTC_ALARM_VALUE_MASK 0xffffffff
60 #define RTC_ALARM_VALUE_OFFSET 0
62 #define RTC_WATCHDOG_COUNT_MASK 0xffffffff
63 #define RTC_WATCHDOG_COUNT_OFFSET 0
65 #define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_MASK (0xf << 28)
66 #define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_OFFSET 28
67 #define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V83 (0x0 << 28)
68 #define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V78 (0x1 << 28)
69 #define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V73 (0x2 << 28)
70 #define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V68 (0x3 << 28)
71 #define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V62 (0x4 << 28)
72 #define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V57 (0x5 << 28)
73 #define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V52 (0x6 << 28)
74 #define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V48 (0x7 << 28)
75 #define RTC_PERSISTENT0_EXTERNAL_RESET (1 << 21)
76 #define RTC_PERSISTENT0_THERMAL_RESET (1 << 20)
77 #define RTC_PERSISTENT0_ENABLE_LRADC_PWRUP (1 << 18)
78 #define RTC_PERSISTENT0_AUTO_RESTART (1 << 17)
79 #define RTC_PERSISTENT0_DISABLE_PSWITCH (1 << 16)
80 #define RTC_PERSISTENT0_LOWERBIAS_MASK (0xf << 14)
81 #define RTC_PERSISTENT0_LOWERBIAS_OFFSET 14
82 #define RTC_PERSISTENT0_LOWERBIAS_NOMINAL (0x0 << 14)
83 #define RTC_PERSISTENT0_LOWERBIAS_M25P (0x1 << 14)
84 #define RTC_PERSISTENT0_LOWERBIAS_M50P (0x3 << 14)
85 #define RTC_PERSISTENT0_DISABLE_XTALOK (1 << 13)
86 #define RTC_PERSISTENT0_MSEC_RES_MASK (0x1f << 8)
87 #define RTC_PERSISTENT0_MSEC_RES_OFFSET 8
88 #define RTC_PERSISTENT0_MSEC_RES_1MS (0x01 << 8)
89 #define RTC_PERSISTENT0_MSEC_RES_2MS (0x02 << 8)
90 #define RTC_PERSISTENT0_MSEC_RES_4MS (0x04 << 8)
91 #define RTC_PERSISTENT0_MSEC_RES_8MS (0x08 << 8)
92 #define RTC_PERSISTENT0_MSEC_RES_16MS (0x10 << 8)
93 #define RTC_PERSISTENT0_ALARM_WAKE (1 << 7)
94 #define RTC_PERSISTENT0_XTAL32_FREQ (1 << 6)
95 #define RTC_PERSISTENT0_XTAL32KHZ_PWRUP (1 << 5)
96 #define RTC_PERSISTENT0_XTAL24KHZ_PWRUP (1 << 4)
97 #define RTC_PERSISTENT0_LCK_SECS (1 << 3)
98 #define RTC_PERSISTENT0_ALARM_EN (1 << 2)
99 #define RTC_PERSISTENT0_ALARM_WAKE_EN (1 << 1)
100 #define RTC_PERSISTENT0_CLOCKSOURCE (1 << 0)
102 #define RTC_PERSISTENT1_GENERAL_MASK 0xffffffff
103 #define RTC_PERSISTENT1_GENERAL_OFFSET 0
104 #define RTC_PERSISTENT1_GENERAL_OTG_ALT_ROLE 0x0080
105 #define RTC_PERSISTENT1_GENERAL_OTG_HNP 0x0100
106 #define RTC_PERSISTENT1_GENERAL_USB_LPM 0x0200
107 #define RTC_PERSISTENT1_GENERAL_SKIP_CHECKDISK 0x0400
108 #define RTC_PERSISTENT1_GENERAL_USB_BOOT_PLAYER 0x0800
109 #define RTC_PERSISTENT1_GENERAL_ENUM_500MA_2X 0x1000
111 #define RTC_PERSISTENT2_GENERAL_MASK 0xffffffff
112 #define RTC_PERSISTENT2_GENERAL_OFFSET 0
114 #define RTC_PERSISTENT3_GENERAL_MASK 0xffffffff
115 #define RTC_PERSISTENT3_GENERAL_OFFSET 0
117 #define RTC_PERSISTENT4_GENERAL_MASK 0xffffffff
118 #define RTC_PERSISTENT4_GENERAL_OFFSET 0
120 #define RTC_PERSISTENT5_GENERAL_MASK 0xffffffff
121 #define RTC_PERSISTENT5_GENERAL_OFFSET 0
123 #define RTC_DEBUG_WATCHDOG_RESET_MASK (1 << 1)
124 #define RTC_DEBUG_WATCHDOG_RESET (1 << 0)
126 #define RTC_VERSION_MAJOR_MASK (0xff << 24)
127 #define RTC_VERSION_MAJOR_OFFSET 24
128 #define RTC_VERSION_MINOR_MASK (0xff << 16)
129 #define RTC_VERSION_MINOR_OFFSET 16
130 #define RTC_VERSION_STEP_MASK 0xffff
131 #define RTC_VERSION_STEP_OFFSET 0
133 #endif /* __MX28_REGS_RTC_H__ */