97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/*
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* Renesas Technology SH7710 VoIP Gateway
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*
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* Copyright (C) 2006 Ranjit Deshpande
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* Kenati Technologies Inc.
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*
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* May be copied or modified under the terms of the GNU General Public
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* License. See linux/COPYING for more information.
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*/
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#include <linux/init.h>
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#include <asm/machvec.h>
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#include <asm/irq.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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static struct ipr_data sh7710voipgw_ipr_map[] = {
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{ TIMER2_IRQ, TIMER2_IPR_ADDR, TIMER2_IPR_POS, TIMER2_PRIORITY },
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{ WDT_IRQ, WDT_IPR_ADDR, WDT_IPR_POS, WDT_PRIORITY },
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/* SCIF0 */
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{ SCIF0_ERI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS, SCIF0_PRIORITY },
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{ SCIF0_RXI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS, SCIF0_PRIORITY },
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{ SCIF0_BRI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS, SCIF0_PRIORITY },
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{ SCIF0_TXI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS, SCIF0_PRIORITY },
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/* DMAC-1 */
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{ DMTE0_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
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{ DMTE1_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
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{ DMTE2_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
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{ DMTE3_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
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/* DMAC-2 */
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{ DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY },
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{ DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY },
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/* IPSEC */
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{ IPSEC_IRQ, IPSEC_IPR_ADDR, IPSEC_IPR_POS, IPSEC_PRIORITY },
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/* EDMAC */
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{ EDMAC0_IRQ, EDMAC0_IPR_ADDR, EDMAC0_IPR_POS, EDMAC0_PRIORITY },
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{ EDMAC1_IRQ, EDMAC1_IPR_ADDR, EDMAC1_IPR_POS, EDMAC1_PRIORITY },
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{ EDMAC2_IRQ, EDMAC2_IPR_ADDR, EDMAC2_IPR_POS, EDMAC2_PRIORITY },
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/* SIOF0 */
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{ SIOF0_ERI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY },
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{ SIOF0_TXI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY },
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{ SIOF0_RXI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY },
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{ SIOF0_CCI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY },
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/* SIOF1 */
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{ SIOF1_ERI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS, SIOF1_PRIORITY },
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{ SIOF1_TXI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS, SIOF1_PRIORITY },
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{ SIOF1_RXI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS, SIOF1_PRIORITY },
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{ SIOF1_CCI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS, SIOF1_PRIORITY },
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/* SLIC IRQ's */
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{ IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, IRQ1_PRIORITY },
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{ IRQ2_IRQ, IRQ2_IPR_ADDR, IRQ2_IPR_POS, IRQ2_PRIORITY },
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};
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/*
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* Initialize IRQ setting
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*/
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static void __init sh7710voipgw_init_irq(void)
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{
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/* Disable all interrupts in IPR registers */
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ctrl_outw(0x0, INTC_IPRA);
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ctrl_outw(0x0, INTC_IPRB);
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ctrl_outw(0x0, INTC_IPRC);
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ctrl_outw(0x0, INTC_IPRD);
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ctrl_outw(0x0, INTC_IPRE);
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ctrl_outw(0x0, INTC_IPRF);
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ctrl_outw(0x0, INTC_IPRG);
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ctrl_outw(0x0, INTC_IPRH);
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ctrl_outw(0x0, INTC_IPRI);
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/* Ack all interrupt sources in the IRR0 register */
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ctrl_outb(0x3f, INTC_IRR0);
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/* Use IRQ0 - IRQ3 as active low interrupt lines i.e. disable
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* IRL mode.
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*/
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ctrl_outw(0x2aa, INTC_ICR1);
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make_ipr_irq(sh7710voipgw_ipr_map, ARRAY_SIZE(sh7710voipgw_ipr_map));
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}
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/*
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* The Machine Vector
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*/
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struct sh_machine_vector mv_sh7710voipgw __initmv = {
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.mv_name = "SH7710 VoIP Gateway",
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.mv_nr_irqs = 104,
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.mv_init_irq = sh7710voipgw_init_irq,
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};
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ALIAS_MV(sh7710voipgw)
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