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bsps/leon3: Make GPTIMER fall back mandatory

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Using the auto reload counter which generates the clock ticks for the
timecounter or CPU counter is quite difficult and only works in
uniprocessor configurations.

Update #4954.
This commit is contained in:
Sebastian Huber
2023-09-15 11:11:31 +02:00
parent b6dc4b4707
commit 3f03a6d2ef
5 changed files with 43 additions and 60 deletions
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21
bsps/sparc/leon3/include/leon.h
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@@ -340,27 +340,6 @@ extern int syscon_uart_index;
extern int leon3_debug_uart_index;
#endif
/* Let user override which on-chip TIMER core will be used for system clock
* timer. This controls which timer core will be accociated with
* LEON3_Timer_Regs registers base address. This value will by destroyed during
* initialization.
* 0 = Default configuration. GPTIMER[0]
* 1 = GPTIMER[1]
* 2 = GPTIMER[2]
* ...
*/
extern int leon3_timer_core_index;
/* Let user override system clock timer prescaler. This affects all timer
* instances on the system clock timer core determined by
* leon3_timer_core_index.
* 0 = Default configuration. Use bootloader configured value.
* N = Prescaler is set to N. N must not be less that number of timers.
* 8 = Prescaler is set to 8 (the fastest prescaler possible on all HW)
* ...
*/
extern unsigned int leon3_timer_prescaler;
#endif /* !ASM */
#ifdef __cplusplus