diff options
Diffstat (limited to 'lib/chibios-contrib/ext/mcux-sdk/devices/LPC832/drivers/fsl_reset.c')
-rw-r--r-- | lib/chibios-contrib/ext/mcux-sdk/devices/LPC832/drivers/fsl_reset.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/lib/chibios-contrib/ext/mcux-sdk/devices/LPC832/drivers/fsl_reset.c b/lib/chibios-contrib/ext/mcux-sdk/devices/LPC832/drivers/fsl_reset.c new file mode 100644 index 000000000..e081cbe08 --- /dev/null +++ b/lib/chibios-contrib/ext/mcux-sdk/devices/LPC832/drivers/fsl_reset.c | |||
@@ -0,0 +1,92 @@ | |||
1 | /* | ||
2 | * Copyright 2017, NXP | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * SPDX-License-Identifier: BSD-3-Clause | ||
6 | */ | ||
7 | |||
8 | #include "fsl_common.h" | ||
9 | #include "fsl_reset.h" | ||
10 | |||
11 | /******************************************************************************* | ||
12 | * Definitions | ||
13 | ******************************************************************************/ | ||
14 | /* Component ID definition, used by tools. */ | ||
15 | #ifndef FSL_COMPONENT_ID | ||
16 | #define FSL_COMPONENT_ID "platform.drivers.reset" | ||
17 | #endif | ||
18 | |||
19 | /******************************************************************************* | ||
20 | * Variables | ||
21 | ******************************************************************************/ | ||
22 | |||
23 | /******************************************************************************* | ||
24 | * Prototypes | ||
25 | ******************************************************************************/ | ||
26 | |||
27 | /*! | ||
28 | * @brief Assert reset to peripheral. | ||
29 | * | ||
30 | * Asserts reset signal to specified peripheral module. | ||
31 | * | ||
32 | * @param peripheral Assert reset to this peripheral. The enum argument contains encoding of reset register | ||
33 | * and reset bit position in the reset register. | ||
34 | */ | ||
35 | static void RESET_SetPeripheralReset(reset_ip_name_t peripheral); | ||
36 | |||
37 | /*! | ||
38 | * @brief Clear reset to peripheral. | ||
39 | * | ||
40 | * Clears reset signal to specified peripheral module, allows it to operate. | ||
41 | * | ||
42 | * @param peripheral Clear reset to this peripheral. The enum argument contains encoding of reset register | ||
43 | * and reset bit position in the reset register. | ||
44 | */ | ||
45 | static void RESET_ClearPeripheralReset(reset_ip_name_t peripheral); | ||
46 | |||
47 | /******************************************************************************* | ||
48 | * Code | ||
49 | ******************************************************************************/ | ||
50 | |||
51 | #if ((defined(FSL_FEATURE_SOC_SYSCON_COUNT) && (FSL_FEATURE_SOC_SYSCON_COUNT > 0)) || \ | ||
52 | (defined(FSL_FEATURE_SOC_ASYNC_SYSCON_COUNT) && (FSL_FEATURE_SOC_ASYNC_SYSCON_COUNT > 0))) | ||
53 | |||
54 | static void RESET_SetPeripheralReset(reset_ip_name_t peripheral) | ||
55 | { | ||
56 | const uint32_t bitPos = ((uint32_t)peripheral & 0x0000FFFFu); | ||
57 | const uint32_t bitMask = 1UL << bitPos; | ||
58 | |||
59 | assert(bitPos < 32UL); | ||
60 | |||
61 | /* reset register is in SYSCON */ | ||
62 | /* set bit */ | ||
63 | SYSCON->PRESETCTRL &= ~bitMask; | ||
64 | } | ||
65 | |||
66 | static void RESET_ClearPeripheralReset(reset_ip_name_t peripheral) | ||
67 | { | ||
68 | const uint32_t bitPos = ((uint32_t)peripheral & 0x0000FFFFu); | ||
69 | const uint32_t bitMask = 1UL << bitPos; | ||
70 | |||
71 | assert(bitPos < 32UL); | ||
72 | |||
73 | /* reset register is in SYSCON */ | ||
74 | /* clear bit */ | ||
75 | SYSCON->PRESETCTRL |= bitMask; | ||
76 | } | ||
77 | |||
78 | /*! | ||
79 | * brief Reset peripheral module. | ||
80 | * | ||
81 | * Reset peripheral module. | ||
82 | * | ||
83 | * param peripheral Peripheral to reset. The enum argument contains encoding of reset register | ||
84 | * and reset bit position in the reset register. | ||
85 | */ | ||
86 | void RESET_PeripheralReset(reset_ip_name_t peripheral) | ||
87 | { | ||
88 | RESET_SetPeripheralReset(peripheral); | ||
89 | RESET_ClearPeripheralReset(peripheral); | ||
90 | } | ||
91 | |||
92 | #endif /* FSL_FEATURE_SOC_SYSCON_COUNT || FSL_FEATURE_SOC_ASYNC_SYSCON_COUNT */ | ||