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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/sh/kernel/cpu/sh4a/setup-sh7770.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/setup-sh7770.c')
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7770.c | 571 |
1 files changed, 571 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7770.c b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c new file mode 100644 index 000000000..5efec6ceb --- /dev/null +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c @@ -0,0 +1,571 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * SH7770 Setup + * + * Copyright (C) 2006 - 2008 Paul Mundt + */ +#include <linux/platform_device.h> +#include <linux/init.h> +#include <linux/serial.h> +#include <linux/serial_sci.h> +#include <linux/sh_timer.h> +#include <linux/sh_intc.h> +#include <linux/io.h> +#include <asm/platform_early.h> + +static struct plat_sci_port scif0_platform_data = { + .scscr = SCSCR_REIE | SCSCR_TOIE, + .type = PORT_SCIF, +}; + +static struct resource scif0_resources[] = { + DEFINE_RES_MEM(0xff923000, 0x100), + DEFINE_RES_IRQ(evt2irq(0x9a0)), +}; + +static struct platform_device scif0_device = { + .name = "sh-sci", + .id = 0, + .resource = scif0_resources, + .num_resources = ARRAY_SIZE(scif0_resources), + .dev = { + .platform_data = &scif0_platform_data, + }, +}; + +static struct plat_sci_port scif1_platform_data = { + .scscr = SCSCR_REIE | SCSCR_TOIE, + .type = PORT_SCIF, +}; + +static struct resource scif1_resources[] = { + DEFINE_RES_MEM(0xff924000, 0x100), + DEFINE_RES_IRQ(evt2irq(0x9c0)), +}; + +static struct platform_device scif1_device = { + .name = "sh-sci", + .id = 1, + .resource = scif1_resources, + .num_resources = ARRAY_SIZE(scif1_resources), + .dev = { + .platform_data = &scif1_platform_data, + }, +}; + +static struct plat_sci_port scif2_platform_data = { + .scscr = SCSCR_REIE | SCSCR_TOIE, + .type = PORT_SCIF, +}; + +static struct resource scif2_resources[] = { + DEFINE_RES_MEM(0xff925000, 0x100), + DEFINE_RES_IRQ(evt2irq(0x9e0)), +}; + +static struct platform_device scif2_device = { + .name = "sh-sci", + .id = 2, + .resource = scif2_resources, + .num_resources = ARRAY_SIZE(scif2_resources), + .dev = { + .platform_data = &scif2_platform_data, + }, +}; + +static struct plat_sci_port scif3_platform_data = { + .scscr = SCSCR_REIE | SCSCR_TOIE, + .type = PORT_SCIF, +}; + +static struct resource scif3_resources[] = { + DEFINE_RES_MEM(0xff926000, 0x100), + DEFINE_RES_IRQ(evt2irq(0xa00)), +}; + +static struct platform_device scif3_device = { + .name = "sh-sci", + .id = 3, + .resource = scif3_resources, + .num_resources = ARRAY_SIZE(scif3_resources), + .dev = { + .platform_data = &scif3_platform_data, + }, +}; + +static struct plat_sci_port scif4_platform_data = { + .scscr = SCSCR_REIE | SCSCR_TOIE, + .type = PORT_SCIF, +}; + +static struct resource scif4_resources[] = { + DEFINE_RES_MEM(0xff927000, 0x100), + DEFINE_RES_IRQ(evt2irq(0xa20)), +}; + +static struct platform_device scif4_device = { + .name = "sh-sci", + .id = 4, + .resource = scif4_resources, + .num_resources = ARRAY_SIZE(scif4_resources), + .dev = { + .platform_data = &scif4_platform_data, + }, +}; + +static struct plat_sci_port scif5_platform_data = { + .scscr = SCSCR_REIE | SCSCR_TOIE, + .type = PORT_SCIF, +}; + +static struct resource scif5_resources[] = { + DEFINE_RES_MEM(0xff928000, 0x100), + DEFINE_RES_IRQ(evt2irq(0xa40)), +}; + +static struct platform_device scif5_device = { + .name = "sh-sci", + .id = 5, + .resource = scif5_resources, + .num_resources = ARRAY_SIZE(scif5_resources), + .dev = { + .platform_data = &scif5_platform_data, + }, +}; + +static struct plat_sci_port scif6_platform_data = { + .scscr = SCSCR_REIE | SCSCR_TOIE, + .type = PORT_SCIF, +}; + +static struct resource scif6_resources[] = { + DEFINE_RES_MEM(0xff929000, 0x100), + DEFINE_RES_IRQ(evt2irq(0xa60)), +}; + +static struct platform_device scif6_device = { + .name = "sh-sci", + .id = 6, + .resource = scif6_resources, + .num_resources = ARRAY_SIZE(scif6_resources), + .dev = { + .platform_data = &scif6_platform_data, + }, +}; + +static struct plat_sci_port scif7_platform_data = { + .scscr = SCSCR_REIE | SCSCR_TOIE, + .type = PORT_SCIF, +}; + +static struct resource scif7_resources[] = { + DEFINE_RES_MEM(0xff92a000, 0x100), + DEFINE_RES_IRQ(evt2irq(0xa80)), +}; + +static struct platform_device scif7_device = { + .name = "sh-sci", + .id = 7, + .resource = scif7_resources, + .num_resources = ARRAY_SIZE(scif7_resources), + .dev = { + .platform_data = &scif7_platform_data, + }, +}; + +static struct plat_sci_port scif8_platform_data = { + .scscr = SCSCR_REIE | SCSCR_TOIE, + .type = PORT_SCIF, +}; + +static struct resource scif8_resources[] = { + DEFINE_RES_MEM(0xff92b000, 0x100), + DEFINE_RES_IRQ(evt2irq(0xaa0)), +}; + +static struct platform_device scif8_device = { + .name = "sh-sci", + .id = 8, + .resource = scif8_resources, + .num_resources = ARRAY_SIZE(scif8_resources), + .dev = { + .platform_data = &scif8_platform_data, + }, +}; + +static struct plat_sci_port scif9_platform_data = { + .scscr = SCSCR_REIE | SCSCR_TOIE, + .type = PORT_SCIF, +}; + +static struct resource scif9_resources[] = { + DEFINE_RES_MEM(0xff92c000, 0x100), + DEFINE_RES_IRQ(evt2irq(0xac0)), +}; + +static struct platform_device scif9_device = { + .name = "sh-sci", + .id = 9, + .resource = scif9_resources, + .num_resources = ARRAY_SIZE(scif9_resources), + .dev = { + .platform_data = &scif9_platform_data, + }, +}; + +static struct sh_timer_config tmu0_platform_data = { + .channels_mask = 7, +}; + +static struct resource tmu0_resources[] = { + DEFINE_RES_MEM(0xffd80000, 0x30), + DEFINE_RES_IRQ(evt2irq(0x400)), + DEFINE_RES_IRQ(evt2irq(0x420)), + DEFINE_RES_IRQ(evt2irq(0x440)), +}; + +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 = { + .channels_mask = 7, +}; + +static struct resource tmu1_resources[] = { + DEFINE_RES_MEM(0xffd81000, 0x30), + DEFINE_RES_IRQ(evt2irq(0x460)), + DEFINE_RES_IRQ(evt2irq(0x480)), + DEFINE_RES_IRQ(evt2irq(0x4a0)), +}; + +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 = { + .channels_mask = 7, +}; + +static struct resource tmu2_resources[] = { + DEFINE_RES_MEM(0xffd82000, 0x2c), + DEFINE_RES_IRQ(evt2irq(0x4c0)), + DEFINE_RES_IRQ(evt2irq(0x4e0)), + DEFINE_RES_IRQ(evt2irq(0x500)), +}; + +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 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, +}; + +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, +}; + +void __init plat_early_device_setup(void) +{ + sh_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(); + } +} |