arch/arm/mach-shmobile/intc-sh7367.c

   1 /*
   2  * sh7367 processor support - INTC hardware block
   3  *
   4  * Copyright (C) 2010  Magnus Damm
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  */
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/interrupt.h>
  22 #include <linux/irq.h>
  23 #include <linux/io.h>
  24 #include <linux/sh_intc.h>
  25 #include <asm/mach-types.h>
  26 #include <asm/mach/arch.h>
  27
  28 enum {
  29         UNUSED_INTCA = 0,
  30         ENABLED,
  31         DISABLED,
  32
  33         /* interrupt sources INTCA */
  34         IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A,
  35         IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A,
  36         DIRC,
  37         CRYPT1_ERR, CRYPT2_STD,
  38         IIC1_ALI1, IIC1_TACKI1, IIC1_WAITI1, IIC1_DTEI1,
  39         ARM11_IRQPMU, ARM11_COMMTX, ARM11_COMMRX,
  40         ETM11_ACQCMP, ETM11_FULL,
  41         MFI_MFIM, MFI_MFIS,
  42         BBIF1, BBIF2,
  43         USBDMAC_USHDMI,
  44         USBHS_USHI0, USBHS_USHI1,
  45         CMT1_CMT10, CMT1_CMT11, CMT1_CMT12, CMT1_CMT13, CMT2, CMT3,
  46         KEYSC_KEY,
  47         SCIFA0, SCIFA1, SCIFA2, SCIFA3,
  48         MSIOF2, MSIOF1,
  49         SCIFA4, SCIFA5, SCIFB,
  50         FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I,
  51         SDHI0,
  52         SDHI1,
  53         MSU_MSU, MSU_MSU2,
  54         IREM,
  55         SIU,
  56         SPU,
  57         IRDA,
  58         TPU0, TPU1, TPU2, TPU3, TPU4,
  59         LCRC,
  60         PINT1, PINT2,
  61         TTI20,
  62         MISTY,
  63         DDM,
  64         SDHI2,
  65         RWDT0, RWDT1,
  66         DMAC_1_DEI0, DMAC_1_DEI1, DMAC_1_DEI2, DMAC_1_DEI3,
  67         DMAC_2_DEI4, DMAC_2_DEI5, DMAC_2_DADERR,
  68         DMAC2_1_DEI0, DMAC2_1_DEI1, DMAC2_1_DEI2, DMAC2_1_DEI3,
  69         DMAC2_2_DEI4, DMAC2_2_DEI5, DMAC2_2_DADERR,
  70         DMAC3_1_DEI0, DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3,
  71         DMAC3_2_DEI4, DMAC3_2_DEI5, DMAC3_2_DADERR,
  72
  73         /* interrupt groups INTCA */
  74         DMAC_1, DMAC_2, DMAC2_1, DMAC2_2, DMAC3_1, DMAC3_2,
  75         ETM11, ARM11, USBHS, FLCTL, IIC1
  76 };
  77
  78 static struct intc_vect intca_vectors[] = {
  79         INTC_VECT(IRQ0A, 0x0200), INTC_VECT(IRQ1A, 0x0220),
  80         INTC_VECT(IRQ2A, 0x0240), INTC_VECT(IRQ3A, 0x0260),
  81         INTC_VECT(IRQ4A, 0x0280), INTC_VECT(IRQ5A, 0x02a0),
  82         INTC_VECT(IRQ6A, 0x02c0), INTC_VECT(IRQ7A, 0x02e0),
  83         INTC_VECT(IRQ8A, 0x0300), INTC_VECT(IRQ9A, 0x0320),
  84         INTC_VECT(IRQ10A, 0x0340), INTC_VECT(IRQ11A, 0x0360),
  85         INTC_VECT(IRQ12A, 0x0380), INTC_VECT(IRQ13A, 0x03a0),
  86         INTC_VECT(IRQ14A, 0x03c0), INTC_VECT(IRQ15A, 0x03e0),
  87         INTC_VECT(DIRC, 0x0560),
  88         INTC_VECT(CRYPT1_ERR, 0x05e0),
  89         INTC_VECT(CRYPT2_STD, 0x0700),
  90         INTC_VECT(IIC1_ALI1, 0x0780), INTC_VECT(IIC1_TACKI1, 0x07a0),
  91         INTC_VECT(IIC1_WAITI1, 0x07c0), INTC_VECT(IIC1_DTEI1, 0x07e0),
  92         INTC_VECT(ARM11_IRQPMU, 0x0800), INTC_VECT(ARM11_COMMTX, 0x0840),
  93         INTC_VECT(ARM11_COMMRX, 0x0860),
  94         INTC_VECT(ETM11_ACQCMP, 0x0880), INTC_VECT(ETM11_FULL, 0x08a0),
  95         INTC_VECT(MFI_MFIM, 0x0900), INTC_VECT(MFI_MFIS, 0x0920),
  96         INTC_VECT(BBIF1, 0x0940), INTC_VECT(BBIF2, 0x0960),
  97         INTC_VECT(USBDMAC_USHDMI, 0x0a00),
  98         INTC_VECT(USBHS_USHI0, 0x0a20), INTC_VECT(USBHS_USHI1, 0x0a40),
  99         INTC_VECT(CMT1_CMT10, 0x0b00), INTC_VECT(CMT1_CMT11, 0x0b20),
 100         INTC_VECT(CMT1_CMT12, 0x0b40), INTC_VECT(CMT1_CMT13, 0x0b60),
 101         INTC_VECT(CMT2, 0x0b80), INTC_VECT(CMT3, 0x0ba0),
 102         INTC_VECT(KEYSC_KEY, 0x0be0),
 103         INTC_VECT(SCIFA0, 0x0c00), INTC_VECT(SCIFA1, 0x0c20),
 104         INTC_VECT(SCIFA2, 0x0c40), INTC_VECT(SCIFA3, 0x0c60),
 105         INTC_VECT(MSIOF2, 0x0c80), INTC_VECT(MSIOF1, 0x0d00),
 106         INTC_VECT(SCIFA4, 0x0d20), INTC_VECT(SCIFA5, 0x0d40),
 107         INTC_VECT(SCIFB, 0x0d60),
 108         INTC_VECT(FLCTL_FLSTEI, 0x0d80), INTC_VECT(FLCTL_FLTENDI, 0x0da0),
 109         INTC_VECT(FLCTL_FLTREQ0I, 0x0dc0), INTC_VECT(FLCTL_FLTREQ1I, 0x0de0),
 110         INTC_VECT(SDHI0, 0x0e00), INTC_VECT(SDHI0, 0x0e20),
 111         INTC_VECT(SDHI0, 0x0e40), INTC_VECT(SDHI0, 0x0e60),
 112         INTC_VECT(SDHI1, 0x0e80), INTC_VECT(SDHI1, 0x0ea0),
 113         INTC_VECT(SDHI1, 0x0ec0), INTC_VECT(SDHI1, 0x0ee0),
 114         INTC_VECT(MSU_MSU, 0x0f20), INTC_VECT(MSU_MSU2, 0x0f40),
 115         INTC_VECT(IREM, 0x0f60),
 116         INTC_VECT(SIU, 0x0fa0),
 117         INTC_VECT(SPU, 0x0fc0),
 118         INTC_VECT(IRDA, 0x0480),
 119         INTC_VECT(TPU0, 0x04a0), INTC_VECT(TPU1, 0x04c0),
 120         INTC_VECT(TPU2, 0x04e0), INTC_VECT(TPU3, 0x0500),
 121         INTC_VECT(TPU4, 0x0520),
 122         INTC_VECT(LCRC, 0x0540),
 123         INTC_VECT(PINT1, 0x1000), INTC_VECT(PINT2, 0x1020),
 124         INTC_VECT(TTI20, 0x1100),
 125         INTC_VECT(MISTY, 0x1120),
 126         INTC_VECT(DDM, 0x1140),
 127         INTC_VECT(SDHI2, 0x1200), INTC_VECT(SDHI2, 0x1220),
 128         INTC_VECT(SDHI2, 0x1240), INTC_VECT(SDHI2, 0x1260),
 129         INTC_VECT(RWDT0, 0x1280), INTC_VECT(RWDT1, 0x12a0),
 130         INTC_VECT(DMAC_1_DEI0, 0x2000), INTC_VECT(DMAC_1_DEI1, 0x2020),
 131         INTC_VECT(DMAC_1_DEI2, 0x2040), INTC_VECT(DMAC_1_DEI3, 0x2060),
 132         INTC_VECT(DMAC_2_DEI4, 0x2080), INTC_VECT(DMAC_2_DEI5, 0x20a0),
 133         INTC_VECT(DMAC_2_DADERR, 0x20c0),
 134         INTC_VECT(DMAC2_1_DEI0, 0x2100), INTC_VECT(DMAC2_1_DEI1, 0x2120),
 135         INTC_VECT(DMAC2_1_DEI2, 0x2140), INTC_VECT(DMAC2_1_DEI3, 0x2160),
 136         INTC_VECT(DMAC2_2_DEI4, 0x2180), INTC_VECT(DMAC2_2_DEI5, 0x21a0),
 137         INTC_VECT(DMAC2_2_DADERR, 0x21c0),
 138         INTC_VECT(DMAC3_1_DEI0, 0x2200), INTC_VECT(DMAC3_1_DEI1, 0x2220),
 139         INTC_VECT(DMAC3_1_DEI2, 0x2240), INTC_VECT(DMAC3_1_DEI3, 0x2260),
 140         INTC_VECT(DMAC3_2_DEI4, 0x2280), INTC_VECT(DMAC3_2_DEI5, 0x22a0),
 141         INTC_VECT(DMAC3_2_DADERR, 0x22c0),
 142 };
 143
 144 static struct intc_group intca_groups[] __initdata = {
 145         INTC_GROUP(DMAC_1, DMAC_1_DEI0,
 146                    DMAC_1_DEI1, DMAC_1_DEI2, DMAC_1_DEI3),
 147         INTC_GROUP(DMAC_2, DMAC_2_DEI4,
 148                    DMAC_2_DEI5, DMAC_2_DADERR),
 149         INTC_GROUP(DMAC2_1, DMAC2_1_DEI0,
 150                    DMAC2_1_DEI1, DMAC2_1_DEI2, DMAC2_1_DEI3),
 151         INTC_GROUP(DMAC2_2, DMAC2_2_DEI4,
 152                    DMAC2_2_DEI5, DMAC2_2_DADERR),
 153         INTC_GROUP(DMAC3_1, DMAC3_1_DEI0,
 154                    DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3),
 155         INTC_GROUP(DMAC3_2, DMAC3_2_DEI4,
 156                    DMAC3_2_DEI5, DMAC3_2_DADERR),
 157         INTC_GROUP(ETM11, ETM11_ACQCMP, ETM11_FULL),
 158         INTC_GROUP(ARM11, ARM11_IRQPMU, ARM11_COMMTX, ARM11_COMMTX),
 159         INTC_GROUP(USBHS, USBHS_USHI0, USBHS_USHI1),
 160         INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLTENDI,
 161                    FLCTL_FLTREQ0I, FLCTL_FLTREQ1I),
 162         INTC_GROUP(IIC1, IIC1_ALI1, IIC1_TACKI1, IIC1_WAITI1, IIC1_DTEI1),
 163 };
 164
 165 static struct intc_mask_reg intca_mask_registers[] = {
 166         { 0xe6900040, 0xe6900060, 8, /* INTMSK00A / INTMSKCLR00A */
 167           { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
 168         { 0xe6900044, 0xe6900064, 8, /* INTMSK10A / INTMSKCLR10A */
 169           { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
 170         { 0xe6940080, 0xe69400c0, 8, /* IMR0A / IMCR0A */
 171           { DMAC2_1_DEI3, DMAC2_1_DEI2, DMAC2_1_DEI1, DMAC2_1_DEI0,
 172             ARM11_IRQPMU, 0, ARM11_COMMTX, ARM11_COMMRX } },
 173         { 0xe6940084, 0xe69400c4, 8, /* IMR1A / IMCR1A */
 174           { CRYPT1_ERR, CRYPT2_STD, DIRC, 0,
 175             DMAC_1_DEI3, DMAC_1_DEI2, DMAC_1_DEI1, DMAC_1_DEI0 } },
 176         { 0xe6940088, 0xe69400c8, 8, /* IMR2A / IMCR2A */
 177           { PINT1, PINT2, 0, 0,
 178             BBIF1, BBIF2, MFI_MFIS, MFI_MFIM } },
 179         { 0xe694008c, 0xe69400cc, 8, /* IMR3A / IMCR3A */
 180           { DMAC3_1_DEI3, DMAC3_1_DEI2, DMAC3_1_DEI1, DMAC3_1_DEI0,
 181             DMAC3_2_DADERR, DMAC3_2_DEI5, DMAC3_2_DEI4, IRDA } },
 182         { 0xe6940090, 0xe69400d0, 8, /* IMR4A / IMCR4A */
 183           { DDM, 0, 0, 0,
 184             0, 0, ETM11_FULL, ETM11_ACQCMP } },
 185         { 0xe6940094, 0xe69400d4, 8, /* IMR5A / IMCR5A */
 186           { KEYSC_KEY, DMAC_2_DADERR, DMAC_2_DEI5, DMAC_2_DEI4,
 187             SCIFA3, SCIFA2, SCIFA1, SCIFA0 } },
 188         { 0xe6940098, 0xe69400d8, 8, /* IMR6A / IMCR6A */
 189           { SCIFB, SCIFA5, SCIFA4, MSIOF1,
 190             0, 0, MSIOF2, 0 } },
 191         { 0xe694009c, 0xe69400dc, 8, /* IMR7A / IMCR7A */
 192           { DISABLED, DISABLED, ENABLED, ENABLED,
 193             FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLTENDI, FLCTL_FLSTEI } },
 194         { 0xe69400a0, 0xe69400e0, 8, /* IMR8A / IMCR8A */
 195           { DISABLED, DISABLED, ENABLED, ENABLED,
 196             TTI20, USBDMAC_USHDMI, SPU, SIU } },
 197         { 0xe69400a4, 0xe69400e4, 8, /* IMR9A / IMCR9A */
 198           { CMT1_CMT13, CMT1_CMT12, CMT1_CMT11, CMT1_CMT10,
 199             CMT2, USBHS_USHI1, USBHS_USHI0, 0 } },
 200         { 0xe69400a8, 0xe69400e8, 8, /* IMR10A / IMCR10A */
 201           { 0, DMAC2_2_DADERR, DMAC2_2_DEI5, DMAC2_2_DEI4,
 202             0, 0, 0, 0 } },
 203         { 0xe69400ac, 0xe69400ec, 8, /* IMR11A / IMCR11A */
 204           { IIC1_DTEI1, IIC1_WAITI1, IIC1_TACKI1, IIC1_ALI1,
 205             LCRC, MSU_MSU2, IREM, MSU_MSU } },
 206         { 0xe69400b0, 0xe69400f0, 8, /* IMR12A / IMCR12A */
 207           { 0, 0, TPU0, TPU1,
 208             TPU2, TPU3, TPU4, 0 } },
 209         { 0xe69400b4, 0xe69400f4, 8, /* IMR13A / IMCR13A */
 210           { DISABLED, DISABLED, ENABLED, ENABLED,
 211             MISTY, CMT3, RWDT1, RWDT0 } },
 212 };
 213
 214 static struct intc_prio_reg intca_prio_registers[] = {
 215         { 0xe6900010, 0, 32, 4, /* INTPRI00A */
 216           { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
 217         { 0xe6900014, 0, 32, 4, /* INTPRI10A */
 218           { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
 219
 220         { 0xe6940000, 0, 16, 4, /* IPRAA */ { DMAC3_1, DMAC3_2, CMT2, LCRC } },
 221         { 0xe6940004, 0, 16, 4, /* IPRBA */ { IRDA, ETM11, BBIF1, BBIF2 } },
 222         { 0xe6940008, 0, 16, 4, /* IPRCA */ { CRYPT1_ERR, CRYPT2_STD,
 223                                               CMT1_CMT11, ARM11 } },
 224         { 0xe694000c, 0, 16, 4, /* IPRDA */ { PINT1, PINT2,
 225                                               CMT1_CMT12, TPU4 } },
 226         { 0xe6940010, 0, 16, 4, /* IPREA */ { DMAC_1, MFI_MFIS,
 227                                               MFI_MFIM, USBHS } },
 228         { 0xe6940014, 0, 16, 4, /* IPRFA */ { KEYSC_KEY, DMAC_2,
 229                                               0, CMT1_CMT10 } },
 230         { 0xe6940018, 0, 16, 4, /* IPRGA */ { SCIFA0, SCIFA1,
 231                                               SCIFA2, SCIFA3 } },
 232         { 0xe694001c, 0, 16, 4, /* IPRGH */ { MSIOF2, USBDMAC_USHDMI,
 233                                               FLCTL, SDHI0 } },
 234         { 0xe6940020, 0, 16, 4, /* IPRIA */ { MSIOF1, SCIFA4, MSU_MSU, IIC1 } },
 235         { 0xe6940024, 0, 16, 4, /* IPRJA */ { DMAC2_1, DMAC2_2, SIU, TTI20 } },
 236         { 0xe6940028, 0, 16, 4, /* IPRKA */ { 0, CMT1_CMT13, IREM, SDHI1 } },
 237         { 0xe694002c, 0, 16, 4, /* IPRLA */ { TPU0, TPU1, TPU2, TPU3 } },
 238         { 0xe6940030, 0, 16, 4, /* IPRMA */ { MISTY, CMT3, RWDT1, RWDT0 } },
 239         { 0xe6940034, 0, 16, 4, /* IPRNA */ { SCIFB, SCIFA5, SPU, DDM } },
 240         { 0xe6940038, 0, 16, 4, /* IPROA */ { 0, 0, DIRC, SDHI2 } },
 241 };
 242
 243 static struct intc_sense_reg intca_sense_registers[] __initdata = {
 244         { 0xe6900000, 16, 2, /* ICR1A */
 245           { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
 246         { 0xe6900004, 16, 2, /* ICR2A */
 247           { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
 248 };
 249
 250 static struct intc_mask_reg intca_ack_registers[] __initdata = {
 251         { 0xe6900020, 0, 8, /* INTREQ00A */
 252           { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
 253         { 0xe6900024, 0, 8, /* INTREQ10A */
 254           { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
 255 };
 256
 257 static struct intc_desc intca_desc __initdata = {
 258         .name = "sh7367-intca",
 259         .force_enable = ENABLED,
 260         .force_disable = DISABLED,
 261         .hw = INTC_HW_DESC(intca_vectors, intca_groups,
 262                            intca_mask_registers, intca_prio_registers,
 263                            intca_sense_registers, intca_ack_registers),
 264 };
 265
 266 void __init sh7367_init_irq(void)
 267 {
 268         /* INTCA */
 269         register_intc_controller(&intca_desc);
 270 }