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| // SPDX-License-Identifier: GPL-2.0
| /*
| * Renesas Solutions Highlander R7780MP Support.
| *
| * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
| * Copyright (C) 2006 Paul Mundt
| * Copyright (C) 2007 Magnus Damm
| */
| #include <linux/init.h>
| #include <linux/irq.h>
| #include <linux/io.h>
| #include <mach/highlander.h>
|
| enum {
| UNUSED = 0,
|
| /* board specific interrupt sources */
| CF, /* Compact Flash */
| TP, /* Touch panel */
| SCIF1, /* FPGA SCIF1 */
| SCIF0, /* FPGA SCIF0 */
| SMBUS, /* SMBUS */
| RTC, /* RTC Alarm */
| AX88796, /* Ethernet controller */
| PSW, /* Push Switch */
|
| /* external bus connector */
| EXT1, EXT2, EXT4, EXT5, EXT6,
| };
|
| static struct intc_vect vectors[] __initdata = {
| INTC_IRQ(CF, IRQ_CF),
| INTC_IRQ(TP, IRQ_TP),
| INTC_IRQ(SCIF1, IRQ_SCIF1),
| INTC_IRQ(SCIF0, IRQ_SCIF0),
| INTC_IRQ(SMBUS, IRQ_SMBUS),
| INTC_IRQ(RTC, IRQ_RTC),
| INTC_IRQ(AX88796, IRQ_AX88796),
| INTC_IRQ(PSW, IRQ_PSW),
|
| INTC_IRQ(EXT1, IRQ_EXT1), INTC_IRQ(EXT2, IRQ_EXT2),
| INTC_IRQ(EXT4, IRQ_EXT4), INTC_IRQ(EXT5, IRQ_EXT5),
| INTC_IRQ(EXT6, IRQ_EXT6),
| };
|
| static struct intc_mask_reg mask_registers[] __initdata = {
| { 0xa4000000, 0, 16, /* IRLMSK */
| { SCIF0, SCIF1, RTC, 0, CF, 0, TP, SMBUS,
| 0, EXT6, EXT5, EXT4, EXT2, EXT1, PSW, AX88796 } },
| };
|
| static unsigned char irl2irq[HL_NR_IRL] __initdata = {
| 0, IRQ_CF, IRQ_TP, IRQ_SCIF1,
| IRQ_SCIF0, IRQ_SMBUS, IRQ_RTC, IRQ_EXT6,
| IRQ_EXT5, IRQ_EXT4, IRQ_EXT2, IRQ_EXT1,
| 0, IRQ_AX88796, IRQ_PSW,
| };
|
| static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors,
| NULL, mask_registers, NULL, NULL);
|
| unsigned char * __init highlander_plat_irq_setup(void)
| {
| if ((__raw_readw(0xa4000700) & 0xf000) == 0x2000) {
| printk(KERN_INFO "Using r7780mp interrupt controller.\n");
| register_intc_controller(&intc_desc);
| return irl2irq;
| }
|
| return NULL;
| }
|
|
