/* * SH7723 Setup * * Copyright (C) 2008 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #include #include #include #include #include #include #include #include #include #include static struct uio_info vpu_platform_data = { .name = "VPU5", .version = "0", .irq = 60, }; static struct resource vpu_resources[] = { [0] = { .name = "VPU", .start = 0xfe900000, .end = 0xfe902807, .flags = IORESOURCE_MEM, }, [1] = { /* place holder for contiguous memory */ }, }; static struct platform_device vpu_device = { .name = "uio_pdrv_genirq", .id = 0, .dev = { .platform_data = &vpu_platform_data, }, .resource = vpu_resources, .num_resources = ARRAY_SIZE(vpu_resources), }; static struct uio_info veu0_platform_data = { .name = "VEU2H", .version = "0", .irq = 54, }; static struct resource veu0_resources[] = { [0] = { .name = "VEU2H0", .start = 0xfe920000, .end = 0xfe92027b, .flags = IORESOURCE_MEM, }, [1] = { /* place holder for contiguous memory */ }, }; static struct platform_device veu0_device = { .name = "uio_pdrv_genirq", .id = 1, .dev = { .platform_data = &veu0_platform_data, }, .resource = veu0_resources, .num_resources = ARRAY_SIZE(veu0_resources), }; static struct uio_info veu1_platform_data = { .name = "VEU2H", .version = "0", .irq = 27, }; static struct resource veu1_resources[] = { [0] = { .name = "VEU2H1", .start = 0xfe924000, .end = 0xfe92427b, .flags = IORESOURCE_MEM, }, [1] = { /* place holder for contiguous memory */ }, }; static struct platform_device veu1_device = { .name = "uio_pdrv_genirq", .id = 2, .dev = { .platform_data = &veu1_platform_data, }, .resource = veu1_resources, .num_resources = ARRAY_SIZE(veu1_resources), }; static struct sh_timer_config cmt_platform_data = { .name = "CMT", .channel_offset = 0x60, .timer_bit = 5, .clk = "cmt0", .clockevent_rating = 125, .clocksource_rating = 125, }; static struct resource cmt_resources[] = { [0] = { .name = "CMT", .start = 0x044a0060, .end = 0x044a006b, .flags = IORESOURCE_MEM, }, [1] = { .start = 104, .flags = IORESOURCE_IRQ, }, }; static struct platform_device cmt_device = { .name = "sh_cmt", .id = 0, .dev = { .platform_data = &cmt_platform_data, }, .resource = cmt_resources, .num_resources = ARRAY_SIZE(cmt_resources), }; static struct sh_timer_config tmu0_platform_data = { .name = "TMU0", .channel_offset = 0x04, .timer_bit = 0, .clk = "tmu0", .clockevent_rating = 200, }; static struct resource tmu0_resources[] = { [0] = { .name = "TMU0", .start = 0xffd80008, .end = 0xffd80013, .flags = IORESOURCE_MEM, }, [1] = { .start = 16, .flags = IORESOURCE_IRQ, }, }; static struct platform_device tmu0_device = { .name = "sh_tmu", .id = 0, .dev = { .platform_data = &tmu0_platform_data, }, .resource = tmu0_resources, .num_resources = ARRAY_SIZE(tmu0_resources), }; static struct sh_timer_config tmu1_platform_data = { .name = "TMU1", .channel_offset = 0x10, .timer_bit = 1, .clk = "tmu0", .clocksource_rating = 200, }; static struct resource tmu1_resources[] = { [0] = { .name = "TMU1", .start = 0xffd80014, .end = 0xffd8001f, .flags = IORESOURCE_MEM, }, [1] = { .start = 17, .flags = IORESOURCE_IRQ, }, }; static struct platform_device tmu1_device = { .name = "sh_tmu", .id = 1, .dev = { .platform_data = &tmu1_platform_data, }, .resource = tmu1_resources, .num_resources = ARRAY_SIZE(tmu1_resources), }; static struct sh_timer_config tmu2_platform_data = { .name = "TMU2", .channel_offset = 0x1c, .timer_bit = 2, .clk = "tmu0", }; static struct resource tmu2_resources[] = { [0] = { .name = "TMU2", .start = 0xffd80020, .end = 0xffd8002b, .flags = IORESOURCE_MEM, }, [1] = { .start = 18, .flags = IORESOURCE_IRQ, }, }; static struct platform_device tmu2_device = { .name = "sh_tmu", .id = 2, .dev = { .platform_data = &tmu2_platform_data, }, .resource = tmu2_resources, .num_resources = ARRAY_SIZE(tmu2_resources), }; static struct sh_timer_config tmu3_platform_data = { .name = "TMU3", .channel_offset = 0x04, .timer_bit = 0, .clk = "tmu1", }; static struct resource tmu3_resources[] = { [0] = { .name = "TMU3", .start = 0xffd90008, .end = 0xffd90013, .flags = IORESOURCE_MEM, }, [1] = { .start = 57, .flags = IORESOURCE_IRQ, }, }; static struct platform_device tmu3_device = { .name = "sh_tmu", .id = 3, .dev = { .platform_data = &tmu3_platform_data, }, .resource = tmu3_resources, .num_resources = ARRAY_SIZE(tmu3_resources), }; static struct sh_timer_config tmu4_platform_data = { .name = "TMU4", .channel_offset = 0x10, .timer_bit = 1, .clk = "tmu1", }; static struct resource tmu4_resources[] = { [0] = { .name = "TMU4", .start = 0xffd90014, .end = 0xffd9001f, .flags = IORESOURCE_MEM, }, [1] = { .start = 58, .flags = IORESOURCE_IRQ, }, }; static struct platform_device tmu4_device = { .name = "sh_tmu", .id = 4, .dev = { .platform_data = &tmu4_platform_data, }, .resource = tmu4_resources, .num_resources = ARRAY_SIZE(tmu4_resources), }; static struct sh_timer_config tmu5_platform_data = { .name = "TMU5", .channel_offset = 0x1c, .timer_bit = 2, .clk = "tmu1", }; static struct resource tmu5_resources[] = { [0] = { .name = "TMU5", .start = 0xffd90020, .end = 0xffd9002b, .flags = IORESOURCE_MEM, }, [1] = { .start = 57, .flags = IORESOURCE_IRQ, }, }; static struct platform_device tmu5_device = { .name = "sh_tmu", .id = 5, .dev = { .platform_data = &tmu5_platform_data, }, .resource = tmu5_resources, .num_resources = ARRAY_SIZE(tmu5_resources), }; static struct plat_sci_port sci_platform_data[] = { { .mapbase = 0xffe00000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 80, 80, 80, 80 }, .clk = "scif0", },{ .mapbase = 0xffe10000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 81, 81, 81, 81 }, .clk = "scif1", },{ .mapbase = 0xffe20000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 82, 82, 82, 82 }, .clk = "scif2", },{ .mapbase = 0xa4e30000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIFA, .irqs = { 56, 56, 56, 56 }, .clk = "scif3", },{ .mapbase = 0xa4e40000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIFA, .irqs = { 88, 88, 88, 88 }, .clk = "scif4", },{ .mapbase = 0xa4e50000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIFA, .irqs = { 109, 109, 109, 109 }, .clk = "scif5", }, { .flags = 0, } }; static struct platform_device sci_device = { .name = "sh-sci", .id = -1, .dev = { .platform_data = sci_platform_data, }, }; static struct resource rtc_resources[] = { [0] = { .start = 0xa465fec0, .end = 0xa465fec0 + 0x58 - 1, .flags = IORESOURCE_IO, }, [1] = { /* Period IRQ */ .start = 69, .flags = IORESOURCE_IRQ, }, [2] = { /* Carry IRQ */ .start = 70, .flags = IORESOURCE_IRQ, }, [3] = { /* Alarm IRQ */ .start = 68, .flags = IORESOURCE_IRQ, }, }; static struct platform_device rtc_device = { .name = "sh-rtc", .id = -1, .num_resources = ARRAY_SIZE(rtc_resources), .resource = rtc_resources, }; static struct resource sh7723_usb_host_resources[] = { [0] = { .name = "r8a66597_hcd", .start = 0xa4d80000, .end = 0xa4d800ff, .flags = IORESOURCE_MEM, }, [1] = { .start = 65, .end = 65, .flags = IORESOURCE_IRQ, }, }; static struct platform_device sh7723_usb_host_device = { .name = "r8a66597_hcd", .id = 0, .dev = { .dma_mask = NULL, /* not use dma */ .coherent_dma_mask = 0xffffffff, }, .num_resources = ARRAY_SIZE(sh7723_usb_host_resources), .resource = sh7723_usb_host_resources, }; static struct resource iic_resources[] = { [0] = { .name = "IIC", .start = 0x04470000, .end = 0x04470017, .flags = IORESOURCE_MEM, }, [1] = { .start = 96, .end = 99, .flags = IORESOURCE_IRQ, }, }; static struct platform_device iic_device = { .name = "i2c-sh_mobile", .id = 0, /* "i2c0" clock */ .num_resources = ARRAY_SIZE(iic_resources), .resource = iic_resources, }; static struct platform_device *sh7723_devices[] __initdata = { &cmt_device, &tmu0_device, &tmu1_device, &tmu2_device, &tmu3_device, &tmu4_device, &tmu5_device, &sci_device, &rtc_device, &iic_device, &sh7723_usb_host_device, &vpu_device, &veu0_device, &veu1_device, }; static int __init sh7723_devices_setup(void) { platform_resource_setup_memory(&vpu_device, "vpu", 2 << 20); platform_resource_setup_memory(&veu0_device, "veu0", 2 << 20); platform_resource_setup_memory(&veu1_device, "veu1", 2 << 20); return platform_add_devices(sh7723_devices, ARRAY_SIZE(sh7723_devices)); } __initcall(sh7723_devices_setup); static struct platform_device *sh7723_early_devices[] __initdata = { &cmt_device, &tmu0_device, &tmu1_device, &tmu2_device, &tmu3_device, &tmu4_device, &tmu5_device, }; void __init plat_early_device_setup(void) { early_platform_add_devices(sh7723_early_devices, ARRAY_SIZE(sh7723_early_devices)); } #define RAMCR_CACHE_L2FC 0x0002 #define RAMCR_CACHE_L2E 0x0001 #define L2_CACHE_ENABLE (RAMCR_CACHE_L2E|RAMCR_CACHE_L2FC) void __uses_jump_to_uncached l2_cache_init(void) { /* Enable L2 cache */ ctrl_outl(L2_CACHE_ENABLE, RAMCR); } enum { UNUSED=0, /* interrupt sources */ IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7, HUDI, DMAC1A_DEI0,DMAC1A_DEI1,DMAC1A_DEI2,DMAC1A_DEI3, _2DG_TRI,_2DG_INI,_2DG_CEI, DMAC0A_DEI0,DMAC0A_DEI1,DMAC0A_DEI2,DMAC0A_DEI3, VIO_CEUI,VIO_BEUI,VIO_VEU2HI,VIO_VOUI, SCIFA_SCIFA0, VPU_VPUI, TPU_TPUI, ADC_ADI, USB_USI0, RTC_ATI,RTC_PRI,RTC_CUI, DMAC1B_DEI4,DMAC1B_DEI5,DMAC1B_DADERR, DMAC0B_DEI4,DMAC0B_DEI5,DMAC0B_DADERR, KEYSC_KEYI, SCIF_SCIF0,SCIF_SCIF1,SCIF_SCIF2, MSIOF_MSIOFI0,MSIOF_MSIOFI1, SCIFA_SCIFA1, FLCTL_FLSTEI,FLCTL_FLTENDI,FLCTL_FLTREQ0I,FLCTL_FLTREQ1I, I2C_ALI,I2C_TACKI,I2C_WAITI,I2C_DTEI, SDHI0_SDHII0,SDHI0_SDHII1,SDHI0_SDHII2, CMT_CMTI, TSIF_TSIFI, SIU_SIUI, SCIFA_SCIFA2, TMU0_TUNI0, TMU0_TUNI1, TMU0_TUNI2, IRDA_IRDAI, ATAPI_ATAPII, SDHI1_SDHII0,SDHI1_SDHII1,SDHI1_SDHII2, VEU2H1_VEU2HI, LCDC_LCDCI, TMU1_TUNI0,TMU1_TUNI1,TMU1_TUNI2, /* interrupt groups */ DMAC1A, DMAC0A, VIO, DMAC0B, FLCTL, I2C, _2DG, SDHI1, RTC, DMAC1B, SDHI0, }; static struct intc_vect vectors[] __initdata = { INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620), INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660), INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0), INTC_VECT(IRQ6, 0x6c0), INTC_VECT(IRQ7, 0x6e0), INTC_VECT(DMAC1A_DEI0,0x700), INTC_VECT(DMAC1A_DEI1,0x720), INTC_VECT(DMAC1A_DEI2,0x740), INTC_VECT(DMAC1A_DEI3,0x760), INTC_VECT(_2DG_TRI, 0x780), INTC_VECT(_2DG_INI, 0x7A0), INTC_VECT(_2DG_CEI, 0x7C0), INTC_VECT(DMAC0A_DEI0,0x800), INTC_VECT(DMAC0A_DEI1,0x820), INTC_VECT(DMAC0A_DEI2,0x840), INTC_VECT(DMAC0A_DEI3,0x860), INTC_VECT(VIO_CEUI,0x880), INTC_VECT(VIO_BEUI,0x8A0), INTC_VECT(VIO_VEU2HI,0x8C0), INTC_VECT(VIO_VOUI,0x8E0), INTC_VECT(SCIFA_SCIFA0,0x900), INTC_VECT(VPU_VPUI,0x980), INTC_VECT(TPU_TPUI,0x9A0), INTC_VECT(ADC_ADI,0x9E0), INTC_VECT(USB_USI0,0xA20), INTC_VECT(RTC_ATI,0xA80), INTC_VECT(RTC_PRI,0xAA0), INTC_VECT(RTC_CUI,0xAC0), INTC_VECT(DMAC1B_DEI4,0xB00), INTC_VECT(DMAC1B_DEI5,0xB20), INTC_VECT(DMAC1B_DADERR,0xB40), INTC_VECT(DMAC0B_DEI4,0xB80), INTC_VECT(DMAC0B_DEI5,0xBA0), INTC_VECT(DMAC0B_DADERR,0xBC0), INTC_VECT(KEYSC_KEYI,0xBE0), INTC_VECT(SCIF_SCIF0,0xC00), INTC_VECT(SCIF_SCIF1,0xC20), INTC_VECT(SCIF_SCIF2,0xC40), INTC_VECT(MSIOF_MSIOFI0,0xC80), INTC_VECT(MSIOF_MSIOFI1,0xCA0), INTC_VECT(SCIFA_SCIFA1,0xD00), INTC_VECT(FLCTL_FLSTEI,0xD80), INTC_VECT(FLCTL_FLTENDI,0xDA0), INTC_VECT(FLCTL_FLTREQ0I,0xDC0), INTC_VECT(FLCTL_FLTREQ1I,0xDE0), INTC_VECT(I2C_ALI,0xE00), INTC_VECT(I2C_TACKI,0xE20), INTC_VECT(I2C_WAITI,0xE40), INTC_VECT(I2C_DTEI,0xE60), INTC_VECT(SDHI0_SDHII0,0xE80), INTC_VECT(SDHI0_SDHII1,0xEA0), INTC_VECT(SDHI0_SDHII2,0xEC0), INTC_VECT(CMT_CMTI,0xF00), INTC_VECT(TSIF_TSIFI,0xF20), INTC_VECT(SIU_SIUI,0xF80), INTC_VECT(SCIFA_SCIFA2,0xFA0), INTC_VECT(TMU0_TUNI0,0x400), INTC_VECT(TMU0_TUNI1,0x420), INTC_VECT(TMU0_TUNI2,0x440), INTC_VECT(IRDA_IRDAI,0x480), INTC_VECT(ATAPI_ATAPII,0x4A0), INTC_VECT(SDHI1_SDHII0,0x4E0), INTC_VECT(SDHI1_SDHII1,0x500), INTC_VECT(SDHI1_SDHII2,0x520), INTC_VECT(VEU2H1_VEU2HI,0x560), INTC_VECT(LCDC_LCDCI,0x580), INTC_VECT(TMU1_TUNI0,0x920), INTC_VECT(TMU1_TUNI1,0x940), INTC_VECT(TMU1_TUNI2,0x960), }; static struct intc_group groups[] __initdata = { INTC_GROUP(DMAC1A,DMAC1A_DEI0,DMAC1A_DEI1,DMAC1A_DEI2,DMAC1A_DEI3), INTC_GROUP(DMAC0A,DMAC0A_DEI0,DMAC0A_DEI1,DMAC0A_DEI2,DMAC0A_DEI3), INTC_GROUP(VIO, VIO_CEUI,VIO_BEUI,VIO_VEU2HI,VIO_VOUI), INTC_GROUP(DMAC0B, DMAC0B_DEI4,DMAC0B_DEI5,DMAC0B_DADERR), INTC_GROUP(FLCTL,FLCTL_FLSTEI,FLCTL_FLTENDI,FLCTL_FLTREQ0I,FLCTL_FLTREQ1I), INTC_GROUP(I2C,I2C_ALI,I2C_TACKI,I2C_WAITI,I2C_DTEI), INTC_GROUP(_2DG, _2DG_TRI,_2DG_INI,_2DG_CEI), INTC_GROUP(SDHI1, SDHI1_SDHII0,SDHI1_SDHII1,SDHI1_SDHII2), INTC_GROUP(RTC, RTC_ATI,RTC_PRI,RTC_CUI), INTC_GROUP(DMAC1B, DMAC1B_DEI4,DMAC1B_DEI5,DMAC1B_DADERR), INTC_GROUP(SDHI0,SDHI0_SDHII0,SDHI0_SDHII1,SDHI0_SDHII2), }; static struct intc_mask_reg mask_registers[] __initdata = { { 0xa4080080, 0xa40800c0, 8, /* IMR0 / IMCR0 */ { 0, TMU1_TUNI2,TMU1_TUNI1,TMU1_TUNI0,0,SDHI1_SDHII2,SDHI1_SDHII1,SDHI1_SDHII0} }, { 0xa4080084, 0xa40800c4, 8, /* IMR1 / IMCR1 */ { VIO_VOUI, VIO_VEU2HI,VIO_BEUI,VIO_CEUI,DMAC0A_DEI3,DMAC0A_DEI2,DMAC0A_DEI1,DMAC0A_DEI0 } }, { 0xa4080088, 0xa40800c8, 8, /* IMR2 / IMCR2 */ { 0, 0, 0, VPU_VPUI,0,0,0,SCIFA_SCIFA0 } }, { 0xa408008c, 0xa40800cc, 8, /* IMR3 / IMCR3 */ { DMAC1A_DEI3,DMAC1A_DEI2,DMAC1A_DEI1,DMAC1A_DEI0,0,0,0,IRDA_IRDAI } }, { 0xa4080090, 0xa40800d0, 8, /* IMR4 / IMCR4 */ { 0,TMU0_TUNI2,TMU0_TUNI1,TMU0_TUNI0,VEU2H1_VEU2HI,0,0,LCDC_LCDCI } }, { 0xa4080094, 0xa40800d4, 8, /* IMR5 / IMCR5 */ { KEYSC_KEYI,DMAC0B_DADERR,DMAC0B_DEI5,DMAC0B_DEI4,0,SCIF_SCIF2,SCIF_SCIF1,SCIF_SCIF0 } }, { 0xa4080098, 0xa40800d8, 8, /* IMR6 / IMCR6 */ { 0,0,0,SCIFA_SCIFA1,ADC_ADI,0,MSIOF_MSIOFI1,MSIOF_MSIOFI0 } }, { 0xa408009c, 0xa40800dc, 8, /* IMR7 / IMCR7 */ { I2C_DTEI, I2C_WAITI, I2C_TACKI, I2C_ALI, FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLTENDI, FLCTL_FLSTEI } }, { 0xa40800a0, 0xa40800e0, 8, /* IMR8 / IMCR8 */ { 0,SDHI0_SDHII2,SDHI0_SDHII1,SDHI0_SDHII0,0,0,SCIFA_SCIFA2,SIU_SIUI } }, { 0xa40800a4, 0xa40800e4, 8, /* IMR9 / IMCR9 */ { 0, 0, 0, CMT_CMTI, 0, 0, USB_USI0,0 } }, { 0xa40800a8, 0xa40800e8, 8, /* IMR10 / IMCR10 */ { 0, DMAC1B_DADERR,DMAC1B_DEI5,DMAC1B_DEI4,0,RTC_ATI,RTC_PRI,RTC_CUI } }, { 0xa40800ac, 0xa40800ec, 8, /* IMR11 / IMCR11 */ { 0,_2DG_CEI,_2DG_INI,_2DG_TRI,0,TPU_TPUI,0,TSIF_TSIFI } }, { 0xa40800b0, 0xa40800f0, 8, /* IMR12 / IMCR12 */ { 0,0,0,0,0,0,0,ATAPI_ATAPII } }, { 0xa4140044, 0xa4140064, 8, /* INTMSK00 / INTMSKCLR00 */ { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, }; static struct intc_prio_reg prio_registers[] __initdata = { { 0xa4080000, 0, 16, 4, /* IPRA */ { TMU0_TUNI0, TMU0_TUNI1, TMU0_TUNI2, IRDA_IRDAI } }, { 0xa4080004, 0, 16, 4, /* IPRB */ { VEU2H1_VEU2HI, LCDC_LCDCI, DMAC1A, 0} }, { 0xa4080008, 0, 16, 4, /* IPRC */ { TMU1_TUNI0, TMU1_TUNI1, TMU1_TUNI2, 0} }, { 0xa408000c, 0, 16, 4, /* IPRD */ { } }, { 0xa4080010, 0, 16, 4, /* IPRE */ { DMAC0A, VIO, SCIFA_SCIFA0, VPU_VPUI } }, { 0xa4080014, 0, 16, 4, /* IPRF */ { KEYSC_KEYI, DMAC0B, USB_USI0, CMT_CMTI } }, { 0xa4080018, 0, 16, 4, /* IPRG */ { SCIF_SCIF0, SCIF_SCIF1, SCIF_SCIF2,0 } }, { 0xa408001c, 0, 16, 4, /* IPRH */ { MSIOF_MSIOFI0,MSIOF_MSIOFI1, FLCTL, I2C } }, { 0xa4080020, 0, 16, 4, /* IPRI */ { SCIFA_SCIFA1,0,TSIF_TSIFI,_2DG } }, { 0xa4080024, 0, 16, 4, /* IPRJ */ { ADC_ADI,0,SIU_SIUI,SDHI1 } }, { 0xa4080028, 0, 16, 4, /* IPRK */ { RTC,DMAC1B,0,SDHI0 } }, { 0xa408002c, 0, 16, 4, /* IPRL */ { SCIFA_SCIFA2,0,TPU_TPUI,ATAPI_ATAPII } }, { 0xa4140010, 0, 32, 4, /* INTPRI00 */ { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, }; static struct intc_sense_reg sense_registers[] __initdata = { { 0xa414001c, 16, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, }; static struct intc_mask_reg ack_registers[] __initdata = { { 0xa4140024, 0, 8, /* INTREQ00 */ { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, }; static DECLARE_INTC_DESC_ACK(intc_desc, "sh7723", vectors, groups, mask_registers, prio_registers, sense_registers, ack_registers); void __init plat_irq_setup(void) { register_intc_controller(&intc_desc); }