/* * SH7770 Setup * * Copyright (C) 2006 - 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 static struct plat_sci_port scif0_platform_data = { .mapbase = 0xff923000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 61, 61, 61, 61 }, }; static struct platform_device scif0_device = { .name = "sh-sci", .id = 0, .dev = { .platform_data = &scif0_platform_data, }, }; static struct plat_sci_port scif1_platform_data = { .mapbase = 0xff924000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 62, 62, 62, 62 }, }; static struct platform_device scif1_device = { .name = "sh-sci", .id = 1, .dev = { .platform_data = &scif1_platform_data, }, }; static struct plat_sci_port scif2_platform_data = { .mapbase = 0xff925000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 63, 63, 63, 63 }, }; static struct platform_device scif2_device = { .name = "sh-sci", .id = 2, .dev = { .platform_data = &scif2_platform_data, }, }; static struct plat_sci_port scif3_platform_data = { .mapbase = 0xff926000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 64, 64, 64, 64 }, }; static struct platform_device scif3_device = { .name = "sh-sci", .id = 3, .dev = { .platform_data = &scif3_platform_data, }, }; static struct plat_sci_port scif4_platform_data = { .mapbase = 0xff927000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 65, 65, 65, 65 }, }; static struct platform_device scif4_device = { .name = "sh-sci", .id = 4, .dev = { .platform_data = &scif4_platform_data, }, }; static struct plat_sci_port scif5_platform_data = { .mapbase = 0xff928000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 66, 66, 66, 66 }, }; static struct platform_device scif5_device = { .name = "sh-sci", .id = 5, .dev = { .platform_data = &scif5_platform_data, }, }; static struct plat_sci_port scif6_platform_data = { .mapbase = 0xff929000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 67, 67, 67, 67 }, }; static struct platform_device scif6_device = { .name = "sh-sci", .id = 6, .dev = { .platform_data = &scif6_platform_data, }, }; static struct plat_sci_port scif7_platform_data = { .mapbase = 0xff92a000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 68, 68, 68, 68 }, }; static struct platform_device scif7_device = { .name = "sh-sci", .id = 7, .dev = { .platform_data = &scif7_platform_data, }, }; static struct plat_sci_port scif8_platform_data = { .mapbase = 0xff92b000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 69, 69, 69, 69 }, }; static struct platform_device scif8_device = { .name = "sh-sci", .id = 8, .dev = { .platform_data = &scif8_platform_data, }, }; static struct plat_sci_port scif9_platform_data = { .mapbase = 0xff92c000, .flags = UPF_BOOT_AUTOCONF, .type = PORT_SCIF, .irqs = { 70, 70, 70, 70 }, }; static struct platform_device scif9_device = { .name = "sh-sci", .id = 9, .dev = { .platform_data = &scif9_platform_data, }, }; static struct sh_timer_config tmu0_platform_data = { .name = "TMU0", .channel_offset = 0x04, .timer_bit = 0, .clk = "peripheral_clk", .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 = "peripheral_clk", .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 = "peripheral_clk", }; static struct resource tmu2_resources[] = { [0] = { .name = "TMU2", .start = 0xffd80020, .end = 0xffd8002f, .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 = "peripheral_clk", }; static struct resource tmu3_resources[] = { [0] = { .name = "TMU3", .start = 0xffd81008, .end = 0xffd81013, .flags = IORESOURCE_MEM, }, [1] = { .start = 19, .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 = "peripheral_clk", }; static struct resource tmu4_resources[] = { [0] = { .name = "TMU4", .start = 0xffd81014, .end = 0xffd8101f, .flags = IORESOURCE_MEM, }, [1] = { .start = 20, .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 = "peripheral_clk", }; static struct resource tmu5_resources[] = { [0] = { .name = "TMU5", .start = 0xffd81020, .end = 0xffd8102f, .flags = IORESOURCE_MEM, }, [1] = { .start = 21, .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 sh_timer_config tmu6_platform_data = { .name = "TMU6", .channel_offset = 0x04, .timer_bit = 0, .clk = "peripheral_clk", }; static struct resource tmu6_resources[] = { [0] = { .name = "TMU6", .start = 0xffd82008, .end = 0xffd82013, .flags = IORESOURCE_MEM, }, [1] = { .start = 22, .flags = IORESOURCE_IRQ, }, }; static struct platform_device tmu6_device = { .name = "sh_tmu", .id = 6, .dev = { .platform_data = &tmu6_platform_data, }, .resource = tmu6_resources, .num_resources = ARRAY_SIZE(tmu6_resources), }; static struct sh_timer_config tmu7_platform_data = { .name = "TMU7", .channel_offset = 0x10, .timer_bit = 1, .clk = "peripheral_clk", }; static struct resource tmu7_resources[] = { [0] = { .name = "TMU7", .start = 0xffd82014, .end = 0xffd8201f, .flags = IORESOURCE_MEM, }, [1] = { .start = 23, .flags = IORESOURCE_IRQ, }, }; static struct platform_device tmu7_device = { .name = "sh_tmu", .id = 7, .dev = { .platform_data = &tmu7_platform_data, }, .resource = tmu7_resources, .num_resources = ARRAY_SIZE(tmu7_resources), }; static struct sh_timer_config tmu8_platform_data = { .name = "TMU8", .channel_offset = 0x1c, .timer_bit = 2, .clk = "peripheral_clk", }; static struct resource tmu8_resources[] = { [0] = { .name = "TMU8", .start = 0xffd82020, .end = 0xffd8202b, .flags = IORESOURCE_MEM, }, [1] = { .start = 24, .flags = IORESOURCE_IRQ, }, }; static struct platform_device tmu8_device = { .name = "sh_tmu", .id = 8, .dev = { .platform_data = &tmu8_platform_data, }, .resource = tmu8_resources, .num_resources = ARRAY_SIZE(tmu8_resources), }; static struct platform_device *sh7770_devices[] __initdata = { &scif0_device, &scif1_device, &scif2_device, &scif3_device, &scif4_device, &scif5_device, &scif6_device, &scif7_device, &scif8_device, &scif9_device, &tmu0_device, &tmu1_device, &tmu2_device, &tmu3_device, &tmu4_device, &tmu5_device, &tmu6_device, &tmu7_device, &tmu8_device, }; static int __init sh7770_devices_setup(void) { return platform_add_devices(sh7770_devices, ARRAY_SIZE(sh7770_devices)); } arch_initcall(sh7770_devices_setup); static struct platform_device *sh7770_early_devices[] __initdata = { &scif0_device, &scif1_device, &scif2_device, &scif3_device, &scif4_device, &scif5_device, &scif6_device, &scif7_device, &scif8_device, &scif9_device, &tmu0_device, &tmu1_device, &tmu2_device, &tmu3_device, &tmu4_device, &tmu5_device, &tmu6_device, &tmu7_device, &tmu8_device, }; void __init plat_early_device_setup(void) { early_platform_add_devices(sh7770_early_devices, ARRAY_SIZE(sh7770_early_devices)); } enum { UNUSED = 0, /* interrupt sources */ IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH, IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH, IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH, IRL_HHLL, IRL_HHLH, IRL_HHHL, IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, GPIO, TMU0, TMU1, TMU2, TMU2_TICPI, TMU3, TMU4, TMU5, TMU5_TICPI, TMU6, TMU7, TMU8, HAC, IPI, SPDIF, HUDI, I2C, DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2, I2S0, I2S1, I2S2, I2S3, SRC_RX, SRC_TX, SRC_SPDIF, DU, VIDEO_IN, REMOTE, YUV, USB, ATAPI, CAN, GPS, GFX2D, GFX3D_MBX, GFX3D_DMAC, EXBUS_ATA, SPI0, SPI1, SCIF089, SCIF1234, SCIF567, ADC, BBDMAC_0_3, BBDMAC_4_7, BBDMAC_8_10, BBDMAC_11_14, BBDMAC_15_18, BBDMAC_19_22, BBDMAC_23_26, BBDMAC_27, BBDMAC_28, BBDMAC_29, BBDMAC_30, BBDMAC_31, /* interrupt groups */ TMU, DMAC, I2S, SRC, GFX3D, SPI, SCIF, BBDMAC, }; static struct intc_vect vectors[] __initdata = { INTC_VECT(GPIO, 0x3e0), INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2_TICPI, 0x460), INTC_VECT(TMU3, 0x480), INTC_VECT(TMU4, 0x4a0), INTC_VECT(TMU5, 0x4c0), INTC_VECT(TMU5_TICPI, 0x4e0), INTC_VECT(TMU6, 0x500), INTC_VECT(TMU7, 0x520), INTC_VECT(TMU8, 0x540), INTC_VECT(HAC, 0x580), INTC_VECT(IPI, 0x5c0), INTC_VECT(SPDIF, 0x5e0), INTC_VECT(HUDI, 0x600), INTC_VECT(I2C, 0x620), INTC_VECT(DMAC0_DMINT0, 0x640), INTC_VECT(DMAC0_DMINT1, 0x660), INTC_VECT(DMAC0_DMINT2, 0x680), INTC_VECT(I2S0, 0x6a0), INTC_VECT(I2S1, 0x6c0), INTC_VECT(I2S2, 0x6e0), INTC_VECT(I2S3, 0x700), INTC_VECT(SRC_RX, 0x720), INTC_VECT(SRC_TX, 0x740), INTC_VECT(SRC_SPDIF, 0x760), INTC_VECT(DU, 0x780), INTC_VECT(VIDEO_IN, 0x7a0), INTC_VECT(REMOTE, 0x7c0), INTC_VECT(YUV, 0x7e0), INTC_VECT(USB, 0x840), INTC_VECT(ATAPI, 0x860), INTC_VECT(CAN, 0x880), INTC_VECT(GPS, 0x8a0), INTC_VECT(GFX2D, 0x8c0), INTC_VECT(GFX3D_MBX, 0x900), INTC_VECT(GFX3D_DMAC, 0x920), INTC_VECT(EXBUS_ATA, 0x940), INTC_VECT(SPI0, 0x960), INTC_VECT(SPI1, 0x980), INTC_VECT(SCIF089, 0x9a0), INTC_VECT(SCIF1234, 0x9c0), INTC_VECT(SCIF1234, 0x9e0), INTC_VECT(SCIF1234, 0xa00), INTC_VECT(SCIF1234, 0xa20), INTC_VECT(SCIF567, 0xa40), INTC_VECT(SCIF567, 0xa60), INTC_VECT(SCIF567, 0xa80), INTC_VECT(SCIF089, 0xaa0), INTC_VECT(SCIF089, 0xac0), INTC_VECT(ADC, 0xb20), INTC_VECT(BBDMAC_0_3, 0xba0), INTC_VECT(BBDMAC_0_3, 0xbc0), INTC_VECT(BBDMAC_0_3, 0xbe0), INTC_VECT(BBDMAC_0_3, 0xc00), INTC_VECT(BBDMAC_4_7, 0xc20), INTC_VECT(BBDMAC_4_7, 0xc40), INTC_VECT(BBDMAC_4_7, 0xc60), INTC_VECT(BBDMAC_4_7, 0xc80), INTC_VECT(BBDMAC_8_10, 0xca0), INTC_VECT(BBDMAC_8_10, 0xcc0), INTC_VECT(BBDMAC_8_10, 0xce0), INTC_VECT(BBDMAC_11_14, 0xd00), INTC_VECT(BBDMAC_11_14, 0xd20), INTC_VECT(BBDMAC_11_14, 0xd40), INTC_VECT(BBDMAC_11_14, 0xd60), INTC_VECT(BBDMAC_15_18, 0xd80), INTC_VECT(BBDMAC_15_18, 0xda0), INTC_VECT(BBDMAC_15_18, 0xdc0), INTC_VECT(BBDMAC_15_18, 0xde0), INTC_VECT(BBDMAC_19_22, 0xe00), INTC_VECT(BBDMAC_19_22, 0xe20), INTC_VECT(BBDMAC_19_22, 0xe40), INTC_VECT(BBDMAC_19_22, 0xe60), INTC_VECT(BBDMAC_23_26, 0xe80), INTC_VECT(BBDMAC_23_26, 0xea0), INTC_VECT(BBDMAC_23_26, 0xec0), INTC_VECT(BBDMAC_23_26, 0xee0), INTC_VECT(BBDMAC_27, 0xf00), INTC_VECT(BBDMAC_28, 0xf20), INTC_VECT(BBDMAC_29, 0xf40), INTC_VECT(BBDMAC_30, 0xf60), INTC_VECT(BBDMAC_31, 0xf80), }; static struct intc_group groups[] __initdata = { INTC_GROUP(TMU, TMU0, TMU1, TMU2, TMU2_TICPI, TMU3, TMU4, TMU5, TMU5_TICPI, TMU6, TMU7, TMU8), INTC_GROUP(DMAC, DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2), INTC_GROUP(I2S, I2S0, I2S1, I2S2, I2S3), INTC_GROUP(SRC, SRC_RX, SRC_TX, SRC_SPDIF), INTC_GROUP(GFX3D, GFX3D_MBX, GFX3D_DMAC), INTC_GROUP(SPI, SPI0, SPI1), INTC_GROUP(SCIF, SCIF089, SCIF1234, SCIF567), INTC_GROUP(BBDMAC, BBDMAC_0_3, BBDMAC_4_7, BBDMAC_8_10, BBDMAC_11_14, BBDMAC_15_18, BBDMAC_19_22, BBDMAC_23_26, BBDMAC_27, BBDMAC_28, BBDMAC_29, BBDMAC_30, BBDMAC_31), }; static struct intc_mask_reg mask_registers[] __initdata = { { 0xffe00040, 0xffe00044, 32, /* INT2MSKR / INT2MSKCR */ { 0, BBDMAC, ADC, SCIF, SPI, EXBUS_ATA, GFX3D, GFX2D, GPS, CAN, ATAPI, USB, YUV, REMOTE, VIDEO_IN, DU, SRC, I2S, DMAC, I2C, HUDI, SPDIF, IPI, HAC, TMU, GPIO } }, }; static struct intc_prio_reg prio_registers[] __initdata = { { 0xffe00000, 0, 32, 8, /* INT2PRI0 */ { GPIO, TMU0, 0, HAC } }, { 0xffe00004, 0, 32, 8, /* INT2PRI1 */ { IPI, SPDIF, HUDI, I2C } }, { 0xffe00008, 0, 32, 8, /* INT2PRI2 */ { DMAC, I2S, SRC, DU } }, { 0xffe0000c, 0, 32, 8, /* INT2PRI3 */ { VIDEO_IN, REMOTE, YUV, USB } }, { 0xffe00010, 0, 32, 8, /* INT2PRI4 */ { ATAPI, CAN, GPS, GFX2D } }, { 0xffe00014, 0, 32, 8, /* INT2PRI5 */ { 0, GFX3D, EXBUS_ATA, SPI } }, { 0xffe00018, 0, 32, 8, /* INT2PRI6 */ { SCIF1234, SCIF567, SCIF089 } }, { 0xffe0001c, 0, 32, 8, /* INT2PRI7 */ { ADC, 0, 0, BBDMAC_0_3 } }, { 0xffe00020, 0, 32, 8, /* INT2PRI8 */ { BBDMAC_4_7, BBDMAC_8_10, BBDMAC_11_14, BBDMAC_15_18 } }, { 0xffe00024, 0, 32, 8, /* INT2PRI9 */ { BBDMAC_19_22, BBDMAC_23_26, BBDMAC_27, BBDMAC_28 } }, { 0xffe00028, 0, 32, 8, /* INT2PRI10 */ { BBDMAC_29, BBDMAC_30, BBDMAC_31 } }, { 0xffe0002c, 0, 32, 8, /* INT2PRI11 */ { TMU1, TMU2, TMU2_TICPI, TMU3 } }, { 0xffe00030, 0, 32, 8, /* INT2PRI12 */ { TMU4, TMU5, TMU5_TICPI, TMU6 } }, { 0xffe00034, 0, 32, 8, /* INT2PRI13 */ { TMU7, TMU8 } }, }; static DECLARE_INTC_DESC(intc_desc, "sh7770", vectors, groups, mask_registers, prio_registers, NULL); /* Support for external interrupt pins in IRQ mode */ static struct intc_vect irq_vectors[] __initdata = { INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280), INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300), INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380), }; static struct intc_mask_reg irq_mask_registers[] __initdata = { { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */ { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, } }, }; static struct intc_prio_reg irq_prio_registers[] __initdata = { { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, } }, }; static struct intc_sense_reg irq_sense_registers[] __initdata = { { 0xffd0001c, 32, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, } }, }; static DECLARE_INTC_DESC(intc_irq_desc, "sh7770-irq", irq_vectors, NULL, irq_mask_registers, irq_prio_registers, irq_sense_registers); /* External interrupt pins in IRL mode */ static struct intc_vect irl_vectors[] __initdata = { INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220), INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260), INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0), INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0), INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320), INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360), INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0), INTC_VECT(IRL_HHHL, 0x3c0), }; static struct intc_mask_reg irl3210_mask_registers[] __initdata = { { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */ { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH, IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH, IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH, IRL_HHLL, IRL_HHLH, IRL_HHHL, } }, }; static struct intc_mask_reg irl7654_mask_registers[] __initdata = { { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH, IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH, IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH, IRL_HHLL, IRL_HHLH, IRL_HHHL, } }, }; static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors, NULL, irl7654_mask_registers, NULL, NULL); static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors, NULL, irl3210_mask_registers, NULL, NULL); #define INTC_ICR0 0xffd00000 #define INTC_INTMSK0 0xffd00044 #define INTC_INTMSK1 0xffd00048 #define INTC_INTMSK2 0xffd40080 #define INTC_INTMSKCLR1 0xffd00068 #define INTC_INTMSKCLR2 0xffd40084 void __init plat_irq_setup(void) { /* disable IRQ7-0 */ __raw_writel(0xff000000, INTC_INTMSK0); /* disable IRL3-0 + IRL7-4 */ __raw_writel(0xc0000000, INTC_INTMSK1); __raw_writel(0xfffefffe, INTC_INTMSK2); /* select IRL mode for IRL3-0 + IRL7-4 */ __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0); /* disable holding function, ie enable "SH-4 Mode" */ __raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0); register_intc_controller(&intc_desc); } void __init plat_irq_setup_pins(int mode) { switch (mode) { case IRQ_MODE_IRQ: /* select IRQ mode for IRL3-0 + IRL7-4 */ __raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0); register_intc_controller(&intc_irq_desc); break; case IRQ_MODE_IRL7654: /* enable IRL7-4 but don't provide any masking */ __raw_writel(0x40000000, INTC_INTMSKCLR1); __raw_writel(0x0000fffe, INTC_INTMSKCLR2); break; case IRQ_MODE_IRL3210: /* enable IRL0-3 but don't provide any masking */ __raw_writel(0x80000000, INTC_INTMSKCLR1); __raw_writel(0xfffe0000, INTC_INTMSKCLR2); break; case IRQ_MODE_IRL7654_MASK: /* enable IRL7-4 and mask using cpu intc controller */ __raw_writel(0x40000000, INTC_INTMSKCLR1); register_intc_controller(&intc_irl7654_desc); break; case IRQ_MODE_IRL3210_MASK: /* enable IRL0-3 and mask using cpu intc controller */ __raw_writel(0x80000000, INTC_INTMSKCLR1); register_intc_controller(&intc_irl3210_desc); break; default: BUG(); } }