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arch/arm/src/rp23xx: allow to use armv8m systick lowerhalf

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Add ability to use arv8m systick lowerhalf driver
Fix wrong macro for systick current register in initialize

Signed-off-by: Serg Podtynnyi <serg@podtynnyi.com>
This commit is contained in:
Serg Podtynnyi
2025-05-10 22:17:13 +07:00
committed by Xiang Xiao
parent c28c14ad26
commit 3966097453
2 changed files with 19 additions and 2 deletions
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9
arch/arm/src/rp23xx/Kconfig
View File

@@ -14,6 +14,15 @@ config RP23XX_DMAC
default y
select ARCH_DMA
config RP23XX_SYSTIMER_SYSTICK
bool "SysTick System Timer"
default n
select TIMER_ARCH
select TIMER
select ARMV8M_SYSTICK
---help---
Use ARM SysTick.
#####################################################################
# UART Configuration
#####################################################################

12
arch/arm/src/rp23xx/rp23xx_timerisr.c
View File

@@ -31,12 +31,14 @@
#include <debug.h>
#include <nuttx/arch.h>
#include <nuttx/timers/arch_timer.h>
#include <arch/board/board.h>
#include "nvic.h"
#include "clock/clock.h"
#include "arm_internal.h"
#include "chip.h"
#include "systick.h"
/****************************************************************************
* Pre-processor Definitions
@@ -74,7 +76,7 @@
* of the systems.
*
****************************************************************************/
#ifndef CONFIG_RP23XX_SYSTIMER_SYSTICK
static int rp23xx_timerisr(int irq, uint32_t *regs, void *arg)
{
/* Process timer interrupt */
@@ -82,6 +84,7 @@ static int rp23xx_timerisr(int irq, uint32_t *regs, void *arg)
nxsched_process_timer();
return 0;
}
#endif
/****************************************************************************
* Public Functions
@@ -107,10 +110,14 @@ void up_timer_initialize(void)
regval |= (NVIC_SYSH_PRIORITY_DEFAULT << NVIC_SYSH_PRIORITY_PR15_SHIFT);
putreg32(regval, NVIC_SYSH12_15_PRIORITY);
#ifdef CONFIG_RP23XX_SYSTIMER_SYSTICK
up_timer_set_lowerhalf(systick_initialize(true, SYSTICK_CLOCK, -1));
#else
/* Configure SysTick to interrupt at the requested rate */
putreg32(SYSTICK_RELOAD, NVIC_SYSTICK_RELOAD);
putreg32(0, NVIC_SYSTICK_CURRENT_OFFSET);
putreg32(0, NVIC_SYSTICK_CURRENT);
/* Attach the timer interrupt vector */
@@ -126,4 +133,5 @@ void up_timer_initialize(void)
/* And enable the timer interrupt */
up_enable_irq(RP23XX_IRQ_SYSTICK);
#endif
}