arch/sh/boards/renesas/sh7710voipgw/setup.c

   1 /*
   2  * Renesas Technology SH7710 VoIP Gateway
   3  *
   4  * Copyright (C) 2006  Ranjit Deshpande
   5  * Kenati Technologies Inc.
   6  *
   7  * May be copied or modified under the terms of the GNU General Public
   8  * License.  See linux/COPYING for more information.
   9  */
  10 #include <linux/init.h>
  11 #include <asm/machvec.h>
  12 #include <asm/irq.h>
  13 #include <asm/io.h>
  14 #include <asm/irq.h>
  15
  16 /*
  17  * Initialize IRQ setting
  18  */
  19 static void __init sh7710voipgw_init_irq(void)
  20 {
  21         /* Disable all interrupts in IPR registers */
  22         ctrl_outw(0x0, INTC_IPRA);
  23         ctrl_outw(0x0, INTC_IPRB);
  24         ctrl_outw(0x0, INTC_IPRC);
  25         ctrl_outw(0x0, INTC_IPRD);
  26         ctrl_outw(0x0, INTC_IPRE);
  27         ctrl_outw(0x0, INTC_IPRF);
  28         ctrl_outw(0x0, INTC_IPRG);
  29         ctrl_outw(0x0, INTC_IPRH);
  30         ctrl_outw(0x0, INTC_IPRI);
  31
  32         /* Ack all interrupt sources in the IRR0 register */
  33         ctrl_outb(0x3f, INTC_IRR0);
  34
  35         /* Use IRQ0 - IRQ3 as active low interrupt lines i.e. disable
  36          * IRL mode.
  37          */
  38         ctrl_outw(0x2aa, INTC_ICR1);
  39
  40         /* Now make IPR interrupts */
  41         make_ipr_irq(TIMER2_IRQ, TIMER2_IPR_ADDR,
  42                         TIMER2_IPR_POS, TIMER2_PRIORITY);
  43         make_ipr_irq(WDT_IRQ, WDT_IPR_ADDR, WDT_IPR_POS, WDT_PRIORITY);
  44
  45         /* SCIF0 */
  46         make_ipr_irq(SCIF0_ERI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS,
  47                         SCIF0_PRIORITY);
  48         make_ipr_irq(SCIF0_RXI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS,
  49                         SCIF0_PRIORITY);
  50         make_ipr_irq(SCIF0_BRI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS,
  51                         SCIF0_PRIORITY);
  52         make_ipr_irq(SCIF0_TXI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS,
  53                         SCIF0_PRIORITY);
  54
  55         /* DMAC-1 */
  56         make_ipr_irq(DMTE0_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
  57         make_ipr_irq(DMTE1_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
  58         make_ipr_irq(DMTE2_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
  59         make_ipr_irq(DMTE3_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
  60
  61         /* DMAC-2 */
  62         make_ipr_irq(DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY);
  63         make_ipr_irq(DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY);
  64
  65         /* IPSEC */
  66         make_ipr_irq(IPSEC_IRQ, IPSEC_IPR_ADDR, IPSEC_IPR_POS, IPSEC_PRIORITY);
  67
  68         /* EDMAC */
  69         make_ipr_irq(EDMAC0_IRQ, EDMAC0_IPR_ADDR, EDMAC0_IPR_POS,
  70                         EDMAC0_PRIORITY);
  71         make_ipr_irq(EDMAC1_IRQ, EDMAC1_IPR_ADDR, EDMAC1_IPR_POS,
  72                         EDMAC1_PRIORITY);
  73         make_ipr_irq(EDMAC2_IRQ, EDMAC2_IPR_ADDR, EDMAC2_IPR_POS,
  74                         EDMAC2_PRIORITY);
  75
  76         /* SIOF0 */
  77         make_ipr_irq(SIOF0_ERI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS,
  78                         SIOF0_PRIORITY);
  79         make_ipr_irq(SIOF0_TXI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS,
  80                         SIOF0_PRIORITY);
  81         make_ipr_irq(SIOF0_RXI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS,
  82                         SIOF0_PRIORITY);
  83         make_ipr_irq(SIOF0_CCI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS,
  84                         SIOF0_PRIORITY);
  85
  86         /* SIOF1 */
  87         make_ipr_irq(SIOF1_ERI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS,
  88                         SIOF1_PRIORITY);
  89         make_ipr_irq(SIOF1_TXI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS,
  90                         SIOF1_PRIORITY);
  91         make_ipr_irq(SIOF1_RXI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS,
  92                         SIOF1_PRIORITY);
  93         make_ipr_irq(SIOF1_CCI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS,
  94                         SIOF1_PRIORITY);
  95
  96         /* SLIC IRQ's */
  97         make_ipr_irq(IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, IRQ1_PRIORITY);
  98         make_ipr_irq(IRQ2_IRQ, IRQ2_IPR_ADDR, IRQ2_IPR_POS, IRQ2_PRIORITY);
  99 }
 100
 101 /*
 102  * The Machine Vector
 103  */
 104 struct sh_machine_vector mv_sh7710voipgw __initmv = {
 105         .mv_name                = "SH7710 VoIP Gateway",
 106         .mv_nr_irqs             = 104,
 107         .mv_init_irq            = sh7710voipgw_init_irq,
 108 };
 109 ALIAS_MV(sh7710voipgw)