From: Kane-Chen-AS <[email protected]> Connect the AST1700 interrupt lines to the GIC in AST27X0, enabling the propagation of AST1700-originated interrupts to the host SoC.
This patch does not implement interrupt sources in AST1700 itself, only the wiring into AST27X0. Signed-off-by: Kane-Chen-AS <[email protected]> --- include/hw/arm/aspeed_soc.h | 2 +- include/hw/intc/aspeed_intc.h | 2 ++ hw/arm/aspeed_ast27x0.c | 36 +++++++++++++++++++++ hw/intc/aspeed_intc.c | 60 +++++++++++++++++++++++++++++++++++ 4 files changed, 99 insertions(+), 1 deletion(-) diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index 00cd8df038..66a6a073f6 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -143,7 +143,7 @@ struct Aspeed27x0SoCState { AspeedSoCState parent; ARMCPU cpu[ASPEED_CPUS_NUM]; - AspeedINTCState intc[2]; + AspeedINTCState intc[4]; GICv3State gic; MemoryRegion dram_empty; }; diff --git a/include/hw/intc/aspeed_intc.h b/include/hw/intc/aspeed_intc.h index 51288384a5..4565bbab84 100644 --- a/include/hw/intc/aspeed_intc.h +++ b/include/hw/intc/aspeed_intc.h @@ -15,6 +15,8 @@ #define TYPE_ASPEED_INTC "aspeed.intc" #define TYPE_ASPEED_2700_INTC TYPE_ASPEED_INTC "-ast2700" #define TYPE_ASPEED_2700_INTCIO TYPE_ASPEED_INTC "io-ast2700" +#define TYPE_ASPEED_2700_INTCIOEXP1 TYPE_ASPEED_INTC "ast2700-ioexp1" +#define TYPE_ASPEED_2700_INTCIOEXP2 TYPE_ASPEED_INTC "ast2700-ioexp2" #define TYPE_ASPEED_2700SSP_INTC TYPE_ASPEED_INTC "-ast2700ssp" #define TYPE_ASPEED_2700SSP_INTCIO TYPE_ASPEED_INTC "io-ast2700ssp" #define TYPE_ASPEED_2700TSP_INTC TYPE_ASPEED_INTC "-ast2700tsp" diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c index 054864467d..11625e165a 100644 --- a/hw/arm/aspeed_ast27x0.c +++ b/hw/arm/aspeed_ast27x0.c @@ -505,6 +505,10 @@ static void aspeed_soc_ast2700_init(Object *obj) object_initialize_child(obj, "intc", &a->intc[0], TYPE_ASPEED_2700_INTC); object_initialize_child(obj, "intcio", &a->intc[1], TYPE_ASPEED_2700_INTCIO); + object_initialize_child(obj, "intcioexp0", &a->intc[2], + TYPE_ASPEED_2700_INTCIOEXP1); + object_initialize_child(obj, "intcioexp1", &a->intc[3], + TYPE_ASPEED_2700_INTCIOEXP2); snprintf(typename, sizeof(typename), "aspeed.adc-%s", socname); object_initialize_child(obj, "adc", &s->adc, typename); @@ -701,6 +705,7 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp) g_autofree char *name = NULL; qemu_irq irq; int uart; + int j; AspeedLTPIState *ltpi_ctrl; hwaddr ltpi_base; @@ -746,6 +751,22 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp) aspeed_mmio_map(s->memory, SYS_BUS_DEVICE(&a->intc[1]), 0, sc->memmap[ASPEED_DEV_INTCIO]); + /* INTCIOEXP0 */ + if (!sysbus_realize(SYS_BUS_DEVICE(&a->intc[2]), errp)) { + return; + } + + aspeed_mmio_map(s->memory, SYS_BUS_DEVICE(&a->intc[2]), 0, + sc->memmap[ASPEED_DEV_IOEXP0_INTCIO]); + + /* INTCIOEXP */ + if (!sysbus_realize(SYS_BUS_DEVICE(&a->intc[3]), errp)) { + return; + } + + aspeed_mmio_map(s->memory, SYS_BUS_DEVICE(&a->intc[3]), 0, + sc->memmap[ASPEED_DEV_IOEXP1_INTCIO]); + /* irq sources -> orgates -> INTC */ for (i = 0; i < ic->num_inpins; i++) { qdev_connect_gpio_out(DEVICE(&a->intc[0].orgates[i]), 0, @@ -1054,6 +1075,21 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp) } sysbus_mmio_map(SYS_BUS_DEVICE(&s->ioexp[i]), 0, sc->memmap[ASPEED_DEV_LTPI_IO0 + i]); + + icio = ASPEED_INTC_GET_CLASS(&a->intc[2 + i]); + /* INTC2/3 internal: orgate[i] -> input[i] */ + for (j = 0; j < icio->num_inpins; j++) { + irq = qdev_get_gpio_in(DEVICE(&a->intc[2 + i]), j); + qdev_connect_gpio_out(DEVICE(&a->intc[2 + i].orgates[j]), 0, + irq); + } + + /* INTC2/3 output[i] -> INTC0.orgate[0].input[i] */ + for (j = 0; j < icio->num_outpins; j++) { + irq = qdev_get_gpio_in(DEVICE(&a->intc[0].orgates[0]), j); + sysbus_connect_irq(SYS_BUS_DEVICE(&a->intc[2 + i]), j, + irq); + } } aspeed_mmio_map_unimplemented(s->memory, SYS_BUS_DEVICE(&s->dpmcu), diff --git a/hw/intc/aspeed_intc.c b/hw/intc/aspeed_intc.c index 5cd786dee6..a04005ee7c 100644 --- a/hw/intc/aspeed_intc.c +++ b/hw/intc/aspeed_intc.c @@ -924,6 +924,64 @@ static const TypeInfo aspeed_2700_intc_info = { .class_init = aspeed_2700_intc_class_init, }; +static AspeedINTCIRQ aspeed_2700_intcioexp2_irqs[ASPEED_INTC_MAX_INPINS] = { + {0, 8, 1, R_GICINT192_EN, R_GICINT192_STATUS}, + {1, 9, 1, R_GICINT193_EN, R_GICINT193_STATUS}, +}; + +static void aspeed_2700_intcioexp2_class_init(ObjectClass *klass, + const void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedINTCClass *aic = ASPEED_INTC_CLASS(klass); + + dc->desc = "ASPEED 2700 IOEXP2 INTC Controller"; + aic->num_lines = 32; + aic->num_inpins = 2; + aic->num_outpins = 10; + aic->mem_size = 0x400; + aic->nr_regs = 0x58 >> 2; + aic->reg_offset = 0x100; + aic->reg_ops = &aspeed_intcio_ops; + aic->irq_table = aspeed_2700_intcioexp2_irqs; + aic->irq_table_count = ARRAY_SIZE(aspeed_2700_intcioexp2_irqs); +} + +static const TypeInfo aspeed_2700_intcioexp2_info = { + .name = TYPE_ASPEED_2700_INTCIOEXP2, + .parent = TYPE_ASPEED_INTC, + .class_init = aspeed_2700_intcioexp2_class_init, +}; + +static AspeedINTCIRQ aspeed_2700_intcioexp1_irqs[ASPEED_INTC_MAX_INPINS] = { + {0, 6, 1, R_GICINT192_EN, R_GICINT192_STATUS}, + {1, 7, 1, R_GICINT193_EN, R_GICINT193_STATUS}, +}; + +static void aspeed_2700_intcioexp1_class_init(ObjectClass *klass, + const void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedINTCClass *aic = ASPEED_INTC_CLASS(klass); + + dc->desc = "ASPEED 2700 IOEXP1 INTC Controller"; + aic->num_lines = 32; + aic->num_inpins = 2; + aic->num_outpins = 10; + aic->mem_size = 0x400; + aic->nr_regs = 0x58 >> 2; + aic->reg_offset = 0x100; + aic->reg_ops = &aspeed_intcio_ops; + aic->irq_table = aspeed_2700_intcioexp1_irqs; + aic->irq_table_count = ARRAY_SIZE(aspeed_2700_intcioexp1_irqs); +} + +static const TypeInfo aspeed_2700_intcioexp1_info = { + .name = TYPE_ASPEED_2700_INTCIOEXP1, + .parent = TYPE_ASPEED_INTC, + .class_init = aspeed_2700_intcioexp1_class_init, +}; + static AspeedINTCIRQ aspeed_2700_intcio_irqs[ASPEED_INTC_MAX_INPINS] = { {0, 0, 1, R_GICINT192_EN, R_GICINT192_STATUS}, {1, 1, 1, R_GICINT193_EN, R_GICINT193_STATUS}, @@ -1099,6 +1157,8 @@ static void aspeed_intc_register_types(void) type_register_static(&aspeed_intc_info); type_register_static(&aspeed_2700_intc_info); type_register_static(&aspeed_2700_intcio_info); + type_register_static(&aspeed_2700_intcioexp1_info); + type_register_static(&aspeed_2700_intcioexp2_info); type_register_static(&aspeed_2700ssp_intc_info); type_register_static(&aspeed_2700ssp_intcio_info); type_register_static(&aspeed_2700tsp_intc_info); -- 2.43.0
