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Wed, 26 Jul 2023 06:25:24 -0700 (PDT) From: Sergey Kambalin X-Google-Original-From: Sergey Kambalin To: qemu-arm@nongnu.org Cc: qemu-devel@nongnu.org, Sergey Kambalin Subject: [PATCH 05/44] Add GIC-400 to BCM2838 SoC Date: Wed, 26 Jul 2023 16:24:33 +0300 Message-Id: <20230726132512.149618-6-sergey.kambalin@auriga.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230726132512.149618-1-sergey.kambalin@auriga.com> References: <20230726132512.149618-1-sergey.kambalin@auriga.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::134; envelope-from=serg.oker@gmail.com; helo=mail-lf1-x134.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Sergey Kambalin Reviewed-by: Peter Maydell --- hw/arm/bcm2838.c | 167 +++++++++++++++++++++++++++ hw/arm/trace-events | 2 + include/hw/arm/bcm2838.h | 2 + include/hw/arm/bcm2838_peripherals.h | 39 +++++++ 4 files changed, 210 insertions(+) diff --git a/hw/arm/bcm2838.c b/hw/arm/bcm2838.c index dd650c8148..c687f38a39 100644 --- a/hw/arm/bcm2838.c +++ b/hw/arm/bcm2838.c @@ -22,8 +22,36 @@ struct BCM2838Class { hwaddr gic_base; /* GIC base address inside ARM local peripherals region */ }; +#define GIC400_MAINTAINANCE_IRQ 9 +#define GIC400_TIMER_NS_EL2_IRQ 10 +#define GIC400_TIMER_VIRT_IRQ 11 +#define GIC400_LEGACY_FIQ 12 +#define GIC400_TIMER_S_EL1_IRQ 13 +#define GIC400_TIMER_NS_EL1_IRQ 14 +#define GIC400_LEGACY_IRQ 15 + +/* Number of external interrupt lines to configure the GIC with */ +#define GIC_NUM_IRQS 192 + +#define PPI(cpu, irq) (GIC_NUM_IRQS + (cpu) * GIC_INTERNAL + GIC_NR_SGIS + irq) + +#define GIC_BASE_OFS 0x0000 +#define GIC_DIST_OFS 0x1000 +#define GIC_CPU_OFS 0x2000 +#define GIC_VIFACE_THIS_OFS 0x4000 +#define GIC_VIFACE_OTHER_OFS(cpu) (0x5000 + (cpu) * 0x200) +#define GIC_VCPU_OFS 0x6000 + #define VIRTUAL_PMU_IRQ 7 +static void bcm2838_gic_set_irq(void *opaque, int irq, int level) +{ + BCM2838State *s = (BCM2838State *)opaque; + + trace_bcm2838_gic_set_irq(irq, level); + qemu_set_irq(qdev_get_gpio_in(DEVICE(&s->gic), irq), level); +} + static void bcm2838_init(Object *obj) { BCM2838State *s = BCM2838(obj); @@ -36,11 +64,14 @@ static void bcm2838_init(Object *obj) "vcram-size"); object_property_add_alias(obj, "command-line", OBJECT(&s->peripherals), "command-line"); + + object_initialize_child(obj, "gic", &s->gic, TYPE_ARM_GIC); } static void bcm2838_realize(DeviceState *dev, Error **errp) { int n; + int int_n; BCM2838State *s = BCM2838(dev); BCM283XBaseState *s_base = BCM283X_BASE(dev); BCM2838Class *bc = BCM2838_GET_CLASS(dev); @@ -64,6 +95,12 @@ static void bcm2838_realize(DeviceState *dev, Error **errp) /* TODO: this should be converted to a property of ARM_CPU */ s_base->cpu[n].core.mp_affinity = (bc_base->clusterid << 8) | n; + /* set periphbase/CBAR value for CPU-local registers */ + if (!object_property_set_int(OBJECT(&s_base->cpu[n].core), "reset-cbar", + bc_base->ctrl_base + bc->gic_base, errp)) { + return; + } + /* start powered off if not enabled */ if (!object_property_set_bool(OBJECT(&s_base->cpu[n].core), "start-powered-off", @@ -76,6 +113,135 @@ static void bcm2838_realize(DeviceState *dev, Error **errp) return; } } + + if (!object_property_set_uint(OBJECT(&s->gic), "revision", 2, errp)) { + return; + } + + if (!object_property_set_uint(OBJECT(&s->gic), "num-cpu", BCM283X_NCPUS, + errp)) { + return; + } + + if (!object_property_set_uint(OBJECT(&s->gic), "num-irq", + GIC_NUM_IRQS + GIC_INTERNAL, errp)) { + return; + } + + if (!object_property_set_bool(OBJECT(&s->gic), + "has-virtualization-extensions", true, + errp)) { + return; + } + + if (!sysbus_realize(SYS_BUS_DEVICE(&s->gic), errp)) { + return; + } + + sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 0, + bc_base->ctrl_base + bc->gic_base + GIC_DIST_OFS); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 1, + bc_base->ctrl_base + bc->gic_base + GIC_CPU_OFS); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 2, + bc_base->ctrl_base + bc->gic_base + GIC_VIFACE_THIS_OFS); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 3, + bc_base->ctrl_base + bc->gic_base + GIC_VCPU_OFS); + + for (n = 0; n < BCM283X_NCPUS; n++) { + sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 4 + n, + bc_base->ctrl_base + bc->gic_base + + GIC_VIFACE_OTHER_OFS(n)); + } + + DeviceState *gicdev = DEVICE(&s->gic); + + for (n = 0; n < BCM283X_NCPUS; n++) { + DeviceState *cpudev = DEVICE(&s_base->cpu[n]); + + /* Connect the GICv2 outputs to the CPU */ + sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), n, + qdev_get_gpio_in(cpudev, ARM_CPU_IRQ)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), n + BCM283X_NCPUS, + qdev_get_gpio_in(cpudev, ARM_CPU_FIQ)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), n + 2 * BCM283X_NCPUS, + qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), n + 3 * BCM283X_NCPUS, + qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ)); + + sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), n + 4 * BCM283X_NCPUS, + qdev_get_gpio_in(gicdev, + PPI(n, GIC400_MAINTAINANCE_IRQ))); + + /* Connect timers from the CPU to the interrupt controller */ + qdev_connect_gpio_out(cpudev, GTIMER_PHYS, + qdev_get_gpio_in(gicdev, PPI(n, GIC400_TIMER_NS_EL1_IRQ))); + qdev_connect_gpio_out(cpudev, GTIMER_VIRT, + qdev_get_gpio_in(gicdev, PPI(n, GIC400_TIMER_VIRT_IRQ))); + qdev_connect_gpio_out(cpudev, GTIMER_HYP, + qdev_get_gpio_in(gicdev, PPI(n, GIC400_TIMER_NS_EL2_IRQ))); + qdev_connect_gpio_out(cpudev, GTIMER_SEC, + qdev_get_gpio_in(gicdev, PPI(n, GIC400_TIMER_S_EL1_IRQ))); + /* PMU interrupt */ + qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0, + qdev_get_gpio_in(gicdev, PPI(n, VIRTUAL_PMU_IRQ))); + } + + /* Connect UART0 to the interrupt controller */ + sysbus_connect_irq(SYS_BUS_DEVICE(&ps_base->uart0), 0, + qdev_get_gpio_in(gicdev, GIC_SPI_INTERRUPT_UART0)); + + /* Connect AUX / UART1 to the interrupt controller */ + sysbus_connect_irq(SYS_BUS_DEVICE(&ps_base->aux), 0, + qdev_get_gpio_in(gicdev, GIC_SPI_INTERRUPT_AUX_UART1)); + + /* Connect VC mailbox to the interrupt controller */ + sysbus_connect_irq(SYS_BUS_DEVICE(&ps_base->mboxes), 0, + qdev_get_gpio_in(gicdev, GIC_SPI_INTERRUPT_MBOX)); + + /* Connect SD host to the interrupt controller */ + sysbus_connect_irq(SYS_BUS_DEVICE(&ps_base->sdhost), 0, + qdev_get_gpio_in(gicdev, GIC_SPI_INTERRUPT_SDHOST)); + + /* According to DTS, EMMC and EMMC2 share one irq */ + DeviceState *mmc_irq_orgate = DEVICE(&ps->mmc_irq_orgate); + + /* Connect EMMC and EMMC2 to the interrupt controller */ + qdev_connect_gpio_out(mmc_irq_orgate, 0, + qdev_get_gpio_in(gicdev, GIC_SPI_INTERRUPT_EMMC_EMMC2)); + + /* Connect USB OTG and MPHI to the interrupt controller */ + sysbus_connect_irq(SYS_BUS_DEVICE(&ps_base->mphi), 0, + qdev_get_gpio_in(gicdev, GIC_SPI_INTERRUPT_MPHI)); + sysbus_connect_irq(SYS_BUS_DEVICE(&ps_base->dwc2), 0, + qdev_get_gpio_in(gicdev, GIC_SPI_INTERRUPT_DWC2)); + + /* Connect DMA 0-6 to the interrupt controller */ + for (int_n = GIC_SPI_INTERRUPT_DMA_0; int_n <= GIC_SPI_INTERRUPT_DMA_6; + int_n++) { + sysbus_connect_irq(SYS_BUS_DEVICE(&ps_base->dma), + int_n - GIC_SPI_INTERRUPT_DMA_0, + qdev_get_gpio_in(gicdev, int_n)); + } + + /* According to DTS, DMA 7 and 8 share one irq */ + DeviceState *dma_7_8_irq_orgate = DEVICE(&ps->dma_7_8_irq_orgate); + + /* Connect DMA 7-8 to the interrupt controller */ + qdev_connect_gpio_out(dma_7_8_irq_orgate, 0, + qdev_get_gpio_in(gicdev, GIC_SPI_INTERRUPT_DMA_7_8)); + + /* According to DTS, DMA 9 and 10 share one irq */ + DeviceState *dma_9_10_irq_orgate = DEVICE(&ps->dma_9_10_irq_orgate); + + /* Connect DMA 9-10 to the interrupt controller */ + qdev_connect_gpio_out(dma_9_10_irq_orgate, 0, + qdev_get_gpio_in(gicdev, GIC_SPI_INTERRUPT_DMA_9_10)); + + /* Pass through inbound GPIO lines to the GIC */ + qdev_init_gpio_in(dev, bcm2838_gic_set_irq, GIC_NUM_IRQS); + + /* Pass through outbound IRQ lines from the GIC */ + qdev_pass_gpios(DEVICE(&s->gic), DEVICE(&s->peripherals), NULL); } static void bcm2838_class_init(ObjectClass *oc, void *data) @@ -90,6 +256,7 @@ static void bcm2838_class_init(ObjectClass *oc, void *data) bc_base->ctrl_base = 0xff800000; bc_base->clusterid = 0x0; bc->peri_low_base = 0xfc000000; + bc->gic_base = 0x40000; dc->realize = bcm2838_realize; } diff --git a/hw/arm/trace-events b/hw/arm/trace-events index cdc1ea06a8..4f0167e638 100644 --- a/hw/arm/trace-events +++ b/hw/arm/trace-events @@ -55,3 +55,5 @@ smmuv3_notify_flag_add(const char *iommu) "ADD SMMUNotifier node for iommu mr=%s smmuv3_notify_flag_del(const char *iommu) "DEL SMMUNotifier node for iommu mr=%s" smmuv3_inv_notifiers_iova(const char *name, uint16_t asid, uint16_t vmid, uint64_t iova, uint8_t tg, uint64_t num_pages) "iommu mr=%s asid=%d vmid=%d iova=0x%"PRIx64" tg=%d num_pages=0x%"PRIx64 +# bcm2838.c +bcm2838_gic_set_irq(int irq, int level) "gic irq:%d lvl:%d" diff --git a/include/hw/arm/bcm2838.h b/include/hw/arm/bcm2838.h index 6e5a8ec30e..a0d67ac85a 100644 --- a/include/hw/arm/bcm2838.h +++ b/include/hw/arm/bcm2838.h @@ -10,6 +10,7 @@ #define BCM2838_H #include "hw/arm/bcm2836.h" +#include "hw/intc/arm_gic.h" #include "hw/arm/bcm2838_peripherals.h" #define TYPE_BCM2838 "bcm2838" @@ -21,6 +22,7 @@ struct BCM2838State { BCM283XBaseState parent_obj; /*< public >*/ BCM2838PeripheralState peripherals; + GICState gic; }; #endif /* BCM2838_H */ diff --git a/include/hw/arm/bcm2838_peripherals.h b/include/hw/arm/bcm2838_peripherals.h index 8214003baf..0aed6f1bec 100644 --- a/include/hw/arm/bcm2838_peripherals.h +++ b/include/hw/arm/bcm2838_peripherals.h @@ -11,6 +11,41 @@ #include "hw/arm/bcm2835_peripherals.h" +#define GENET_OFFSET 0x1580000 + +/* SPI */ +#define GIC_SPI_INTERRUPT_MBOX 33 +#define GIC_SPI_INTERRUPT_MPHI 40 +#define GIC_SPI_INTERRUPT_DWC2 73 +#define GIC_SPI_INTERRUPT_DMA_0 80 +#define GIC_SPI_INTERRUPT_DMA_6 86 +#define GIC_SPI_INTERRUPT_DMA_7_8 87 +#define GIC_SPI_INTERRUPT_DMA_9_10 88 +#define GIC_SPI_INTERRUPT_AUX_UART1 93 +#define GIC_SPI_INTERRUPT_SDHOST 120 +#define GIC_SPI_INTERRUPT_UART0 121 +#define GIC_SPI_INTERRUPT_RNG200 125 +#define GIC_SPI_INTERRUPT_EMMC_EMMC2 126 +#define GIC_SPI_INTERRUPT_PCI_INT_A 143 +#define GIC_SPI_INTERRUPT_GENET_A 157 +#define GIC_SPI_INTERRUPT_GENET_B 158 + + +/* GPU (legacy) DMA interrupts */ +#define GPU_INTERRUPT_DMA0 16 +#define GPU_INTERRUPT_DMA1 17 +#define GPU_INTERRUPT_DMA2 18 +#define GPU_INTERRUPT_DMA3 19 +#define GPU_INTERRUPT_DMA4 20 +#define GPU_INTERRUPT_DMA5 21 +#define GPU_INTERRUPT_DMA6 22 +#define GPU_INTERRUPT_DMA7_8 23 +#define GPU_INTERRUPT_DMA9_10 24 +#define GPU_INTERRUPT_DMA11 25 +#define GPU_INTERRUPT_DMA12 26 +#define GPU_INTERRUPT_DMA13 27 +#define GPU_INTERRUPT_DMA14 28 +#define GPU_INTERRUPT_DMA15 31 #define TYPE_BCM2838_PERIPHERALS "bcm2838-peripherals" OBJECT_DECLARE_TYPE(BCM2838PeripheralState, BCM2838PeripheralClass, @@ -24,6 +59,10 @@ struct BCM2838PeripheralState { MemoryRegion peri_low_mr; MemoryRegion peri_low_mr_alias; MemoryRegion mphi_mr_alias; + + OrIRQState mmc_irq_orgate; + OrIRQState dma_7_8_irq_orgate; + OrIRQState dma_9_10_irq_orgate; }; struct BCM2838PeripheralClass {