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[bsp/raspi3-64]add core timer driver

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This commit is contained in:
bigmagic
2020-02-26 15:35:07 +08:00
parent b6031497b9
commit 773f7cdf52
7 changed files with 146 additions and 263 deletions
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libcpu/aarch64/cortex-a53/context_gcc.S
+25
View File
@@ -8,6 +8,31 @@
* 2018-10-06 ZhaoXiaowei the first version
*/
/*
*enable gtimer
*/
.globl rt_hw_gtimer_enable
rt_hw_gtimer_enable:
MOV X0,#1
MSR CNTP_CTL_EL0,X0
RET
/*
*set gtimer CNTP_TVAL_EL0 value
*/
.globl rt_hw_set_gtimer_val
rt_hw_set_gtimer_val:
MSR CNTP_TVAL_EL0,X0
RET
/*
*get gtimer frq value
*/
.globl rt_hw_get_gtimer_frq
rt_hw_get_gtimer_frq:
MRS X0,CNTFRQ_EL0
RET
.macro SAVE_CONTEXT
/* Switch to use the EL0 stack pointer. */
libcpu/aarch64/cortex-a53/trap.c
+13 -36
View File
@@ -56,7 +56,8 @@ void rt_hw_trap_error(struct rt_hw_exp_stack *regs)
rt_hw_cpu_shutdown();
}
#define GIC_ACK_INTID_MASK 0x000003ff
#define GIC_ACK_INTID_MASK (0x000003ff)
#define CORE0_IRQ_SOURCE (0x40000060)
void rt_hw_trap_irq(void)
{
@@ -66,44 +67,20 @@ void rt_hw_trap_irq(void)
extern struct rt_irq_desc isr_table[];
uint32_t value = 0;
value = IRQ_PEND_BASIC & 0x3ff;
#ifdef RT_USING_SMP
uint32_t mailbox_data;
uint32_t cpu_id = rt_hw_cpu_id();
uint32_t int_source = CORE_IRQSOURCE(cpu_id);
mailbox_data = IPI_MAILBOX_CLEAR(cpu_id);
if (int_source & 0x0f)
#ifdef BSP_USING_CORETIMER
uint32_t int_source = HWREG32(CORE0_IRQ_SOURCE) & 0x3ff;
if (int_source & 0x02)
{
if (int_source & 0x08){
isr_func = isr_table[IRQ_ARM_TIMER].handler;
#ifdef RT_USING_INTERRUPT_INFO
isr_table[IRQ_ARM_TIMER].counter++;
#endif
if (isr_func)
{
param = isr_table[IRQ_ARM_TIMER].param;
isr_func(IRQ_ARM_TIMER, param);
}
isr_func = isr_table[IRQ_ARM_TIMER].handler;
#ifdef RT_USING_INTERRUPT_INFO
isr_table[IRQ_ARM_TIMER].counter++;
#endif
if (isr_func)
{
param = isr_table[IRQ_ARM_TIMER].param;
isr_func(IRQ_ARM_TIMER, param);
}
}
if (int_source & 0xf0)
{
/*it's a ipi interrupt*/
if (mailbox_data & 0x1){
/* clear mailbox */
IPI_MAILBOX_CLEAR(cpu_id) = mailbox_data;
isr_func = isr_table[IRQ_ARM_MAILBOX].handler;
#ifdef RT_USING_INTERRUPT_INFO
isr_table[IRQ_ARM_MAILBOX].counter++;
#endif
if (isr_func)
{
param = isr_table[IRQ_ARM_MAILBOX].param;
isr_func(IRQ_ARM_MAILBOX, param);
}
}
else
CORE_MAILBOX3_CLEAR(cpu_id) = mailbox_data;
}
#endif
/* local interrupt*/
if (value)