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sysctl_11xx.c
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1 /*
2 * @brief LPC11XX System Control functions
3 *
4 * Copyright(C) NXP Semiconductors, 2012
5 * All rights reserved.
6 *
7 * Software that is described herein is for illustrative purposes only
8 * which provides customers with programming information regarding the
9 * LPC products. This software is supplied "AS IS" without any warranties of
10 * any kind, and NXP Semiconductors and its licensor disclaim any and
11 * all warranties, express or implied, including all implied warranties of
12 * merchantability, fitness for a particular purpose and non-infringement of
13 * intellectual property rights. NXP Semiconductors assumes no responsibility
14 * or liability for the use of the software, conveys no license or rights under any
15 * patent, copyright, mask work right, or any other intellectual property rights in
16 * or to any products. NXP Semiconductors reserves the right to make changes
17 * in the software without notification. NXP Semiconductors also makes no
18 * representation or warranty that such application will be suitable for the
19 * specified use without further testing or modification.
20 *
21 * Permission to use, copy, modify, and distribute this software and its
22 * documentation is hereby granted, under NXP Semiconductors' and its
23 * licensor's relevant copyrights in the software, without fee, provided that it
24 * is used in conjunction with NXP Semiconductors microcontrollers. This
25 * copyright, permission, and disclaimer notice must appear in all copies of
26 * this code.
27 */
28
29 #include "chip.h"
30
31 /*****************************************************************************
32 * Private types/enumerations/variables
33 ****************************************************************************/
34
35 #if !defined(LPC11AXX)
36 /* PDSLEEPCFG register mask */
37 #define PDSLEEPUSEMASK 0x000018FF
38 #if defined(CHIP_LPC11XXLV)
39 #define PDSLEEPMASKTMP (SYSCTL_DEEPSLP_BOD_PD | SYSCTL_DEEPSLP_WDTOSC_PD | \
40 SYSCTL_DEEPSLP_IRCOUT_PD | SYSCTL_DEEPSLP_IRC_PD)
41 #else
42 #define PDSLEEPMASKTMP (SYSCTL_DEEPSLP_BOD_PD | SYSCTL_DEEPSLP_WDTOSC_PD)
43 #endif
44 #define PDSLEEPMASK ((PDSLEEPUSEMASK) &~(PDSLEEPMASKTMP))
45
46 /* PDWAKECFG register mask */
47 #if defined(CHIP_LPC11UXX)
48 #define PDWAKEUPUSEMASK 0x0000E800
49 #define PDWAKEUPMASKTMP 0x000000FF
50 #else
51 #define PDWAKEUPUSEMASK 0x0000ED00
52 #define PDWAKEUPMASKTMP 0x000005FF
53 #endif
54 #endif /* !defined(LPC11AXX) */
55
56 /* PDRUNCFG register mask */
57 #if defined(CHIP_LPC11AXX)
58 #define PDRUNCFGUSEMASK 0x00000D08
59 #define PDRUNCFGMASKTMP 0x0001E0F7
60 #elif defined(CHIP_LPC11UXX)
61 #define PDRUNCFGUSEMASK 0x0000E800
62 #define PDRUNCFGMASKTMP 0x000005FF
63 #else
64 #define PDRUNCFGUSEMASK 0x0000ED00
65 #define PDRUNCFGMASKTMP 0x000000FF
66 #endif
67
68 /*****************************************************************************
69 * Public types/enumerations/variables
70 ****************************************************************************/
71
72 /*****************************************************************************
73 * Private functions
74 ****************************************************************************/
75
76 /*****************************************************************************
77 * Public functions
78 ****************************************************************************/
79
80 #if !defined(LPC11AXX)
81 /* Setup deep sleep behaviour for power down */
82 void Chip_SYSCTL_SetDeepSleepPD(uint32_t sleepmask)
83 {
84 /* Update new value */
85 LPC_SYSCTL->PDSLEEPCFG = PDSLEEPMASK | (sleepmask & PDSLEEPMASKTMP);
86 }
87
88 /* Setup wakeup behaviour from deep sleep */
89 void Chip_SYSCTL_SetWakeup(uint32_t wakeupmask)
90 {
91 /* Update new value */
92 LPC_SYSCTL->PDWAKECFG = PDWAKEUPUSEMASK | (wakeupmask & PDWAKEUPMASKTMP);
93 }
94
95 #endif
96
97 /* Power down one or more blocks or peripherals */
98 void Chip_SYSCTL_PowerDown(uint32_t powerdownmask)
99 {
100 uint32_t pdrun;
101
102 pdrun = LPC_SYSCTL->PDRUNCFG & PDRUNCFGMASKTMP;
103 pdrun |= (powerdownmask & PDRUNCFGMASKTMP);
104
105 LPC_SYSCTL->PDRUNCFG = (pdrun | PDRUNCFGUSEMASK);
106 }
107
108 /* Power up one or more blocks or peripherals */
109 void Chip_SYSCTL_PowerUp(uint32_t powerupmask)
110 {
111 uint32_t pdrun;
112
113 pdrun = LPC_SYSCTL->PDRUNCFG & PDRUNCFGMASKTMP;
114 pdrun &= ~(powerupmask & PDRUNCFGMASKTMP);
115
116 LPC_SYSCTL->PDRUNCFG = (pdrun | PDRUNCFGUSEMASK);
117 }