RISC-V AMBA Driver Handler

AMBA Plag & Play Bus Driver Macros. More...

Files
file	amba.h

Macros
#define	GRLIB_IO_AREA   0xfff00000
#define	GRLIB_CONF_AREA   0xff000
#define	GRLIB_AHB_SLAVE_CONF_AREA   (1 << 11)
#define	GRLIB_AHB_CONF_WORDS   8
#define	GRLIB_APB_CONF_WORDS   2
#define	GRLIB_AHB_MASTERS   64
#define	GRLIB_AHB_SLAVES   64
#define	GRLIB_APB_SLAVES   16
#define	GRLIB_CLOCK_INDEX   0
#define	GRLIB_COUNTER_GPTIMER_INDEX   GRLIB_CLOCK_INDEX
#define	GRLIB_GPTIMER_0_FREQUENCY_SET_BY_BOOT_LOADER   1000000
#define	GRLIB_IRQMPSTATUS_CPUNR   28
#define	GRLIB_IRQCTRL_ACQUIRE(_lock_context)   rtems_interrupt_lock_acquire( &GRLIB_IrqCtrl_Lock, _lock_context )
#define	GRLIB_IRQCTRL_RELEASE(_lock_context)   rtems_interrupt_lock_release( &GRLIB_IrqCtrl_Lock, _lock_context )
#define	GRLIB_Cpu_Unmask_interrupt(_source, _cpu)
#define	GRLIB_Cpu_Mask_interrupt(_source, _cpu)
#define	GRLIB_Enable_interrupt_broadcast(_source)
#define	GRLIB_Disable_interrupt_broadcast(_source)
#define	BSP_Cpu_Is_interrupt_masked(_source, _cpu)   (!(GRLIB_IrqCtrl_Regs->mask[_cpu] & (1U << (_source))))

Functions
void	gptimer_initialize (void)
void	irqmp_initialize (void)

Variables
struct ambapp_bus	ambapp_plb
uint32_t	GRLIB_Cpu_Index
const unsigned char	GRLIB_mp_irq
volatile struct irqmp_regs *	GRLIB_IrqCtrl_Regs
struct ambapp_dev *	GRLIB_IrqCtrl_Adev
int	GRLIB_IrqCtrl_EIrq
volatile struct gptimer_regs *	GRLIB_Timer_Regs
struct ambapp_dev *	GRLIB_Timer_Adev
rtems_interrupt_lock	GRLIB_IrqCtrl_Lock

Detailed Description

AMBA Plag & Play Bus Driver Macros.

Macro Definition Documentation

GRLIB_Cpu_Mask_interrupt

#define GRLIB_Cpu_Mask_interrupt	(		_source,
			_cpu
	)

Value:

do { \
    rtems_interrupt_lock_context _lock_context; \
    GRLIB_IRQCTRL_ACQUIRE( &_lock_context ); \
     GRLIB_IrqCtrl_Regs->mask[_cpu]  &= ~(1U << (_source)); \
    GRLIB_IRQCTRL_RELEASE( &_lock_context ); \
  } while (0)

GRLIB_Cpu_Unmask_interrupt

#define GRLIB_Cpu_Unmask_interrupt	(		_source,
			_cpu
	)

Value:

do { \
    rtems_interrupt_lock_context _lock_context; \
    GRLIB_IRQCTRL_ACQUIRE( &_lock_context ); \
    GRLIB_IrqCtrl_Regs->mask[_cpu]  |= (1U << (_source)); \
    GRLIB_IRQCTRL_RELEASE( &_lock_context ); \
  } while (0)

GRLIB_Disable_interrupt_broadcast

#define GRLIB_Disable_interrupt_broadcast

(

_source

)

Value:

do { \
    rtems_interrupt_lock_context _lock_context; \
    uint32_t _mask = 1U << ( _source ); \
    GRLIB_IRQCTRL_ACQUIRE( &_lock_context ); \
    GRLIB_IrqCtrl_Regs->bcast &= ~_mask; \
    GRLIB_IRQCTRL_RELEASE( &_lock_context ); \
  } while (0)

GRLIB_Enable_interrupt_broadcast

#define GRLIB_Enable_interrupt_broadcast

(

_source

)

Value:

do { \
    rtems_interrupt_lock_context _lock_context; \
    uint32_t _mask = 1U << ( _source ); \
    GRLIB_IRQCTRL_ACQUIRE( &_lock_context ); \
    GRLIB_IrqCtrl_Regs->bcast |= _mask; \
    GRLIB_IRQCTRL_RELEASE( &_lock_context ); \
  } while (0)