// SPDX-License-Identifier: GPL-2.0
/*
 * SDK7786 FPGA IRQ Controller Support.
 *
 * Copyright (C) 2010  Matt Fleming
 * Copyright (C) 2010  Paul Mundt
 */
#include <linux/irq.h>
#include <mach/fpga.h>
#include <mach/irq.h>

enum {
        ATA_IRQ_BIT             = 1,
        SPI_BUSY_BIT            = 2,
        LIRQ5_BIT               = 3,
        LIRQ6_BIT               = 4,
        LIRQ7_BIT               = 5,
        LIRQ8_BIT               = 6,
        KEY_IRQ_BIT             = 7,
        PEN_IRQ_BIT             = 8,
        ETH_IRQ_BIT             = 9,
        RTC_ALARM_BIT           = 10,
        CRYSTAL_FAIL_BIT        = 12,
        ETH_PME_BIT             = 14,
};

void __init sdk7786_init_irq(void)
{
        unsigned int tmp;

        /* Enable priority encoding for all IRLs */
        fpga_write_reg(fpga_read_reg(INTMSR) | 0x0303, INTMSR);

        /* Clear FPGA interrupt status registers */
        fpga_write_reg(0x0000, INTASR);
        fpga_write_reg(0x0000, INTBSR);

        /* Unmask FPGA interrupts */
        tmp = fpga_read_reg(INTAMR);
        tmp &= ~(1 << ETH_IRQ_BIT);
        fpga_write_reg(tmp, INTAMR);

        plat_irq_setup_pins(IRQ_MODE_IRL7654_MASK);
        plat_irq_setup_pins(IRQ_MODE_IRL3210_MASK);
}