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The following commit(s) were added to refs/heads/master by this push:
new 3966097453 arch/arm/src/rp23xx: allow to use armv8m systick lowerhalf
3966097453 is described below
commit 3966097453030ff61c0901b42e0345c51af7a175
Author: Serg Podtynnyi <s...@podtynnyi.com>
AuthorDate: Sat May 10 22:17:13 2025 +0700
arch/arm/src/rp23xx: allow to use armv8m systick lowerhalf
Add ability to use arv8m systick lowerhalf driver
Fix wrong macro for systick current register in initialize
Signed-off-by: Serg Podtynnyi <s...@podtynnyi.com>
---
arch/arm/src/rp23xx/Kconfig | 9 +++++++++
arch/arm/src/rp23xx/rp23xx_timerisr.c | 12 ++++++++++--
2 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/arch/arm/src/rp23xx/Kconfig b/arch/arm/src/rp23xx/Kconfig
index f85a049744..e53f6a5455 100644
--- a/arch/arm/src/rp23xx/Kconfig
+++ b/arch/arm/src/rp23xx/Kconfig
@@ -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
#####################################################################
diff --git a/arch/arm/src/rp23xx/rp23xx_timerisr.c
b/arch/arm/src/rp23xx/rp23xx_timerisr.c
index 87e8cb2a37..052d636aaf 100644
--- a/arch/arm/src/rp23xx/rp23xx_timerisr.c
+++ b/arch/arm/src/rp23xx/rp23xx_timerisr.c
@@ -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
}
