1/* 2 * linux/arch/sh/boards/se/7300/irq.c 3 * 4 * Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp> 5 * 6 * SH-Mobile SolutionEngine 7300 Support. 7 * 8 */ 9 10#include <linux/init.h> 11#include <linux/irq.h> 12#include <asm/irq.h> 13#include <asm/io.h> 14#include <asm/se7300.h> 15 16static struct ipr_data se7300_ipr_map[] = { 17 /* PC_IRQ[0-3] -> IRQ0 (32) */ 18 { IRQ0_IRQ, IRQ0_IPR_ADDR, IRQ0_IPR_POS, 0x0f - IRQ0_IRQ }, 19 /* A_IRQ[0-3] -> IRQ1 (33) */ 20 { IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, 0x0f - IRQ1_IRQ }, 21 { SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY }, 22 { DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY }, 23 { DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY }, 24 { VIO_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY }, 25}; 26 27/* 28 * Initialize IRQ setting 29 */ 30void __init 31init_7300se_IRQ(void) 32{ 33 ctrl_outw(0x0028, PA_EPLD_MODESET); /* mode set IRQ0,1 active low. */ 34 ctrl_outw(0xa000, INTC_ICR1); /* IRQ mode; IRQ0,1 enable. */ 35 ctrl_outw(0x0000, PORT_PFCR); /* use F for IRQ[3:0] and SIU. */ 36 37 make_ipr_irq(se7300_ipr_map, ARRAY_SIZE(se7300_ipr_map)); 38 39 ctrl_outw(0x2000, PA_MRSHPC + 0x0c); /* mrshpc irq enable */ 40} 41