2 * Shared SH3 Setup code
4 * Copyright (C) 2008 Magnus Damm
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
11 #include <linux/init.h>
12 #include <linux/irq.h>
15 /* All SH3 devices are equipped with IRQ0->5 (except sh7708) */
20 /* interrupt sources */
21 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
24 static struct intc_vect vectors_irq0123[] __initdata = {
25 INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
26 INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
29 static struct intc_vect vectors_irq45[] __initdata = {
30 INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
33 static struct intc_prio_reg prio_registers[] __initdata = {
34 { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
35 { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
38 static struct intc_mask_reg ack_registers[] __initdata = {
39 { 0xa4000004, 0, 8, /* IRR0 */
40 { 0, 0, IRQ5, IRQ4, IRQ3, IRQ2, IRQ1, IRQ0 } },
43 static struct intc_sense_reg sense_registers[] __initdata = {
44 { 0xa4000010, 16, 2, { 0, 0, IRQ5, IRQ4, IRQ3, IRQ2, IRQ1, IRQ0 } },
47 static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh3-irq0123",
48 vectors_irq0123, NULL, NULL,
49 prio_registers, sense_registers, ack_registers);
51 static DECLARE_INTC_DESC_ACK(intc_desc_irq45, "sh3-irq45",
52 vectors_irq45, NULL, NULL,
53 prio_registers, sense_registers, ack_registers);
55 #define INTC_ICR1 0xa4000010UL
56 #define INTC_ICR1_IRQLVL (1<<14)
58 void __init plat_irq_setup_pins(int mode)
60 if (mode == IRQ_MODE_IRQ) {
61 ctrl_outw(ctrl_inw(INTC_ICR1) & ~INTC_ICR1_IRQLVL, INTC_ICR1);
62 register_intc_controller(&intc_desc_irq0123);
68 void __init plat_irq_setup_sh3(void)
70 register_intc_controller(&intc_desc_irq45);