2 * arch/sh/boards/se/73180/irq.c
4 * Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp>
5 * Based on arch/sh/boards/se/7300/irq.c
7 * Modified for SH-Mobile SolutionEngine 73180 Support
8 * by YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp>
13 #include <linux/config.h>
14 #include <linux/init.h>
15 #include <linux/irq.h>
18 #include <asm/mach/se73180.h>
33 return 7 - (irq - 32);
37 disable_intreq_irq(unsigned int irq)
39 ctrl_outb(1 << (7 - irq2intreq(irq)), INTMSK0);
43 enable_intreq_irq(unsigned int irq)
45 ctrl_outb(1 << (7 - irq2intreq(irq)), INTMSKCLR0);
49 mask_and_ack_intreq_irq(unsigned int irq)
51 disable_intreq_irq(irq);
55 startup_intreq_irq(unsigned int irq)
57 enable_intreq_irq(irq);
62 shutdown_intreq_irq(unsigned int irq)
64 disable_intreq_irq(irq);
68 end_intreq_irq(unsigned int irq)
70 if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
71 enable_intreq_irq(irq);
74 static struct hw_interrupt_type intreq_irq_type = {
76 .startup = startup_intreq_irq,
77 .shutdown = shutdown_intreq_irq,
78 .enable = enable_intreq_irq,
79 .disable = disable_intreq_irq,
80 .ack = mask_and_ack_intreq_irq,
85 make_intreq_irq(unsigned int irq)
87 disable_irq_nosync(irq);
88 irq_desc[irq].chip = &intreq_irq_type;
89 disable_intreq_irq(irq);
93 shmse_irq_demux(int irq)
101 * Initialize IRQ setting
104 init_73180se_IRQ(void)
106 make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY);
108 ctrl_outw(0x2000, 0xb03fffec); /* mrshpc irq enable */
109 ctrl_outw(0x2000, 0xb07fffec); /* mrshpc irq enable */
110 ctrl_outl(3 << ((7 - 5) * 4), INTC_INTPRI0); /* irq5 pri=3 */
111 ctrl_outw(2 << ((7 - 5) * 2), INTC_ICR1); /* low-level irq */
114 make_ipr_irq(VPU_IRQ, VPU_IPR_ADDR, VPU_IPR_POS, 8);
116 ctrl_outb(0x0f, INTC_IMCR5); /* enable SCIF IRQ */
118 make_ipr_irq(DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY);
119 make_ipr_irq(DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY);
120 make_ipr_irq(DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY);
121 make_ipr_irq(IIC0_ALI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY);
122 make_ipr_irq(IIC0_TACKI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS,
124 make_ipr_irq(IIC0_WAITI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS,
126 make_ipr_irq(IIC0_DTEI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY);
127 make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY);
128 make_ipr_irq(SIU_IRQ, SIU_IPR_ADDR, SIU_IPR_POS, SIU_PRIORITY);
131 make_ipr_irq(CEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
132 make_ipr_irq(BEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
133 make_ipr_irq(VEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
135 make_ipr_irq(LCDC_IRQ, LCDC_IPR_ADDR, LCDC_IPR_POS, LCDC_PRIORITY);
136 ctrl_outw(0x2000, PA_MRSHPC + 0x0c); /* mrshpc irq enable */