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bsp/riscv: Rework clock driver

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Use device tree provided timebase frequency.  Do not write to read-only
mtime register.

Update #3433.
This commit is contained in:
Sebastian Huber
2018-06-25 11:12:24 +02:00
parent 1232cd4690
commit cdfed94f34
4 changed files with 127 additions and 67 deletions
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7
bsps/include/bsp/fatal.h
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, 2016 embedded brains GmbH. All rights reserved.
* Copyright (c) 2012, 2018 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
@@ -137,7 +137,10 @@ typedef enum {
ATSAM_FATAL_PIO_CONFIGURE_IT,
/* i.MX fatal codes */
IMX_FATAL_GENERIC_TIMER_FREQUENCY = BSP_FATAL_CODE_BLOCK(12)
IMX_FATAL_GENERIC_TIMER_FREQUENCY = BSP_FATAL_CODE_BLOCK(12),
/* RISC-V fatal codes */
RISCV_FATAL_NO_TIMEBASE_FREQUENCY_IN_DEVICE_TREE = BSP_FATAL_CODE_BLOCK(13)
} bsp_fatal_code;
RTEMS_NO_RETURN static inline void