itss.h File Reference

#include <southbridge/intel/common/acpi_pirq_gen.h>
#include <stdint.h>

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Macros
#define	PCR_ITSS_PIRQA_ROUT   0x3100
#define	PCR_ITSS_PIRQB_ROUT   0x3101
#define	PCR_ITSS_PIRQC_ROUT   0x3102
#define	PCR_ITSS_PIRQD_ROUT   0x3103
#define	PCR_ITSS_PIRQE_ROUT   0x3104
#define	PCR_ITSS_PIRQF_ROUT   0x3105
#define	PCR_ITSS_PIRQG_ROUT   0x3106
#define	PCR_ITSS_PIRQH_ROUT   0x3107
#define	PCR_ITSS_IPC0_CONF   0x3200
#define	PCR_ITSS_ITSSPRC   0x3300

Functions
void	itss_set_irq_polarity (int irq, int active_low)
void	itss_snapshot_irq_polarities (int start, int end)
void	itss_restore_irq_polarities (int start, int end)
void	itss_irq_init (const uint8_t pch_interrupt_routing[PIRQ_COUNT])
void	itss_clock_gate_8254 (void)

Macro Definition Documentation

PCR_ITSS_IPC0_CONF

#define PCR_ITSS_IPC0_CONF   0x3200

Definition at line 23 of file itss.h.

PCR_ITSS_ITSSPRC

#define PCR_ITSS_ITSSPRC   0x3300

Definition at line 25 of file itss.h.

PCR_ITSS_PIRQA_ROUT

#define PCR_ITSS_PIRQA_ROUT   0x3100

Definition at line 7 of file itss.h.

PCR_ITSS_PIRQB_ROUT

#define PCR_ITSS_PIRQB_ROUT   0x3101

Definition at line 9 of file itss.h.

PCR_ITSS_PIRQC_ROUT

#define PCR_ITSS_PIRQC_ROUT   0x3102

Definition at line 11 of file itss.h.

PCR_ITSS_PIRQD_ROUT

#define PCR_ITSS_PIRQD_ROUT   0x3103

Definition at line 13 of file itss.h.

PCR_ITSS_PIRQE_ROUT

#define PCR_ITSS_PIRQE_ROUT   0x3104

Definition at line 15 of file itss.h.

PCR_ITSS_PIRQF_ROUT

#define PCR_ITSS_PIRQF_ROUT   0x3105

Definition at line 17 of file itss.h.

PCR_ITSS_PIRQG_ROUT

#define PCR_ITSS_PIRQG_ROUT   0x3106

Definition at line 19 of file itss.h.

PCR_ITSS_PIRQH_ROUT

#define PCR_ITSS_PIRQH_ROUT   0x3107

Definition at line 21 of file itss.h.

Function Documentation

itss_clock_gate_8254()

void itss_clock_gate_8254

(

void

)

Definition at line 38 of file itss.c.

References PCR_ITSS_ITSSPRC, pcr_rmw32(), and PID_ITSS.

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itss_irq_init()

void itss_irq_init

(

const uint8_t

pch_interrupt_routing[PIRQ_COUNT]

)

Definition at line 12 of file itss.c.

References ARRAY_SIZE, pch_interrupt_routing, PCR_ITSS_PIRQA_ROUT, pcr_write32(), PID_ITSS, PIRQ_COUNT, and val.

Referenced by pch_pirq_init().

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itss_restore_irq_polarities()

void itss_restore_irq_polarities	(	int	start,
		int	end
	)

Definition at line 94 of file itss.c.

References irq_snapshot, IRQS_PER_IPC, ITSS_MAX_IRQ, mask, MAX, MIN, PCR_ITSS_IPC0_CONF, pcr_rmw32(), PID_ITSS, and show_irq_polarities().

Referenced by soc_init().

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itss_set_irq_polarity()

void itss_set_irq_polarity	(	int	irq,
		int	active_low
	)

Definition at line 45 of file itss.c.

References IRQS_PER_IPC, ITSS_MAX_IRQ, mask, PCR_ITSS_IPC0_CONF, pcr_rmw32(), and PID_ITSS.

Referenced by gpio_configure_itss().

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itss_snapshot_irq_polarities()

void itss_snapshot_irq_polarities	(	int	start,
		int	end
	)

Definition at line 62 of file itss.c.

References irq_snapshot, IRQS_PER_IPC, ITSS_MAX_IRQ, PCR_ITSS_IPC0_CONF, pcr_read32(), and PID_ITSS.

Referenced by soc_init().

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