powerpc/sysdev/fsl_mpic_err.c

15 #include <asm/mpic.h>
17 #include "mpic.h"
36 	struct mpic *mpic = irq_data_get_irq_chip_data(d);
37 	unsigned int src = virq_to_hw(d->irq) - mpic->err_int_vecs[0];
39 	eimr = mpic_fsl_err_read(mpic->err_regs, MPIC_ERR_INT_EIMR);
41 	mpic_fsl_err_write(mpic->err_regs, eimr);
47 	struct mpic *mpic = irq_data_get_irq_chip_data(d);
48 	unsigned int src = virq_to_hw(d->irq) - mpic->err_int_vecs[0];
50 	eimr = mpic_fsl_err_read(mpic->err_regs, MPIC_ERR_INT_EIMR);
52 	mpic_fsl_err_write(mpic->err_regs, eimr);
61 int __init mpic_setup_error_int(struct mpic *mpic, int intvec)
65 	mpic->err_regs = ioremap(mpic->paddr + MPIC_ERR_INT_BASE, 0x1000);
66 	if (!mpic->err_regs) {
67 		pr_err("could not map mpic error registers\n");
70 	mpic->hc_err = fsl_mpic_err_chip;
71 	mpic->hc_err.name = mpic->name;
72 	mpic->flags |= MPIC_FSL_HAS_EIMR;
75 		mpic->err_int_vecs[i] = intvec--;
80 int mpic_map_error_int(struct mpic *mpic, unsigned int virq, irq_hw_number_t  hw)
82 	if ((mpic->flags & MPIC_FSL_HAS_EIMR) &&
83 	    (hw >= mpic->err_int_vecs[0] &&
84 	     hw <= mpic->err_int_vecs[MPIC_MAX_ERR - 1])) {
85 		WARN_ON(mpic->flags & MPIC_SECONDARY);
87 		pr_debug("mpic: mapping as Error Interrupt\n");
88 		irq_set_chip_data(virq, mpic);
89 		irq_set_chip_and_handler(virq, &mpic->hc_err,
99 	struct mpic *mpic = (struct mpic *) data;
103 	eisr = mpic_fsl_err_read(mpic->err_regs, MPIC_ERR_INT_EISR);
104 	eimr = mpic_fsl_err_read(mpic->err_regs, MPIC_ERR_INT_EIMR);
112 		ret = generic_handle_domain_irq(mpic->irqhost,
113 						mpic->err_int_vecs[errint]);
116 			mpic_fsl_err_write(mpic->err_regs, eimr);
124 void __init mpic_err_int_init(struct mpic *mpic, irq_hw_number_t irqnum)
129 	virq = irq_create_mapping(mpic->irqhost, irqnum);
136 	mpic_fsl_err_write(mpic->err_regs, ~0);
139 		    "mpic-error-int", mpic);