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arch/tricore: support up_trigger_irq

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Enable gpsr and use gpsr to support multicore irq trigger.

Signed-off-by: zhangyuan29 <zhangyuan29@xiaomi.com>
This commit is contained in:
zhangyuan29 2024-12-25 19:07:18 +08:00 • committed by Xiang Xiao
parent f44060ca9f
commit 4775d6dceb
4 changed files with 66 additions and 0 deletions
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3
arch/tricore/include/tc3xx/irq.h
View file

@ -112,8 +112,11 @@
#define FCX_FCXS_MASK (0xf << FCX_FCXS)
#define FCX_FREE (FCX_FCXS_MASK | FCX_FCXO_MASK) /* Free CSA manipulation */
#define TRICORE_SRCNUM_PER_GPSR 8
#define TRICORE_SRC2IRQ(src_addr) \
(((uintptr_t)(src_addr) - (uintptr_t)&MODULE_SRC) / 4)
#define TRICORE_GPSR_IRQNUM(src_cpu, dest_cpu) \
TRICORE_SRC2IRQ(&SRC_GPSR00 + src_cpu * 8 + dest_cpu)
/****************************************************************************
* Public Types

2
arch/tricore/src/common/tricore_doirq.c
View file

@ -75,6 +75,8 @@ IFX_INTERRUPT_INTERNAL(tricore_doirq, 0, 255)
/* Deliver the IRQ */
tricore_ack_irq(NDX_TO_IRQ(icr.B.CCPN));
irq_dispatch(NDX_TO_IRQ(icr.B.CCPN), regs);
/* Check for a context switch. */

4
arch/tricore/src/common/tricore_internal.h
View file

@ -187,6 +187,10 @@ extern uintptr_t __A0_MEM[]; /* End+1 of .data */
* Public Function Prototypes
****************************************************************************/
/* Interrupt ****************************************************************/
void tricore_ack_irq(int irq);
/* Signal handling **********************************************************/
void tricore_sigdeliver(void);

57
arch/tricore/src/common/tricore_irq.c
View file

@ -37,6 +37,7 @@
#include "IfxSrc.h"
#include "IfxCpu.h"
#include "IfxInt_reg.h"
/****************************************************************************
* Private Functions
@ -68,6 +69,40 @@ static inline void tricore_color_intstack(void)
# define tricore_color_intstack()
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
#ifdef CONFIG_ARCH_HAVE_IRQTRIGGER
/****************************************************************************
* Name: tricore_gpsrinitialize
*
* Description:
* Perform gpsr initialization for the CPU
*
****************************************************************************/
static void tricore_gpsrinitialize(void)
{
volatile Ifx_SRC_SRCR *src = &SRC_GPSR00 + up_cpu_index();
int i;
for (i = 0; i < 6; i++)
{
#ifdef CONFIG_ARCH_TC3XX
IfxSrc_init(src, IfxSrc_Tos_cpu0 + up_cpu_index(),
IRQ_TO_NDX(TRICORE_SRC2IRQ(src)));
#else
IfxSrc_init(src, IfxSrc_Tos_cpu0 + up_cpu_index(),
IRQ_TO_NDX(TRICORE_SRC2IRQ(src)),
IfxSrc_VmId_none);
#endif
src += TRICORE_SRCNUM_PER_GPSR;
}
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
@ -91,6 +126,10 @@ void up_irq_enable(void)
void up_irqinitialize(void)
{
#ifdef CONFIG_ARCH_HAVE_IRQTRIGGER
tricore_gpsrinitialize();
#endif
tricore_color_intstack();
up_irq_enable();
}
@ -164,4 +203,22 @@ void up_affinity_irq(int irq, cpu_set_t cpuset)
void tricore_ack_irq(int irq)
{
volatile Ifx_SRC_SRCR *src = &SRC_CPU_CPU0_SB + irq;
IfxSrc_clearRequest(src);
}
#ifdef CONFIG_ARCH_HAVE_IRQTRIGGER
/****************************************************************************
* Name: up_trigger_irq
*
* Description:
* Trigger an IRQ by software. May not be supported by all architectures.
*
****************************************************************************/
void up_trigger_irq(int irq, cpu_set_t cpuset)
{
volatile Ifx_INT_SRB *srb = &INT_SRB0 + up_cpu_index();
srb->U = cpuset;
}
#endif