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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id i13-20020adfe48d000000b0033ae7d768b2sm11319552wrm.117.2024.02.27.05.33.30 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Feb 2024 05:33:30 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 29/45] hw/arm: Add GPIO and SD to BCM2838 periph Date: Tue, 27 Feb 2024 13:32:58 +0000 Message-Id: <20240227133314.1721857-30-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240227133314.1721857-1-peter.maydell@linaro.org> References: <20240227133314.1721857-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::430; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x430.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, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Sergey Kambalin Signed-off-by: Sergey Kambalin Reviewed-by: Peter Maydell Message-id: 20240226000259.2752893-10-sergey.kambalin@auriga.com Signed-off-by: Peter Maydell --- include/hw/arm/bcm2838_peripherals.h | 8 ++ hw/arm/bcm2838_peripherals.c | 143 +++++++++++++++++++++++++++ 2 files changed, 151 insertions(+) diff --git a/include/hw/arm/bcm2838_peripherals.h b/include/hw/arm/bcm2838_peripherals.h index d07831753ab..86b0d96944e 100644 --- a/include/hw/arm/bcm2838_peripherals.h +++ b/include/hw/arm/bcm2838_peripherals.h @@ -10,6 +10,8 @@ #define BCM2838_PERIPHERALS_H #include "hw/arm/bcm2835_peripherals.h" +#include "hw/sd/sdhci.h" +#include "hw/gpio/bcm2838_gpio.h" /* SPI */ #define GIC_SPI_INTERRUPT_MBOX 33 @@ -45,6 +47,9 @@ #define GPU_INTERRUPT_DMA14 28 #define GPU_INTERRUPT_DMA15 31 +#define BCM2838_MPHI_OFFSET 0xb200 +#define BCM2838_MPHI_SIZE 0x200 + #define TYPE_BCM2838_PERIPHERALS "bcm2838-peripherals" OBJECT_DECLARE_TYPE(BCM2838PeripheralState, BCM2838PeripheralClass, BCM2838_PERIPHERALS) @@ -58,6 +63,9 @@ struct BCM2838PeripheralState { MemoryRegion peri_low_mr_alias; MemoryRegion mphi_mr_alias; + SDHCIState emmc2; + BCM2838GpioState gpio; + OrIRQState mmc_irq_orgate; OrIRQState dma_7_8_irq_orgate; OrIRQState dma_9_10_irq_orgate; diff --git a/hw/arm/bcm2838_peripherals.c b/hw/arm/bcm2838_peripherals.c index 06110c724f8..55ae56733f4 100644 --- a/hw/arm/bcm2838_peripherals.c +++ b/hw/arm/bcm2838_peripherals.c @@ -15,22 +15,56 @@ /* Lower peripheral base address on the VC (GPU) system bus */ #define BCM2838_VC_PERI_LOW_BASE 0x7c000000 +/* Capabilities for SD controller: no DMA, high-speed, default clocks etc. */ +#define BCM2835_SDHC_CAPAREG 0x52134b4 + static void bcm2838_peripherals_init(Object *obj) { BCM2838PeripheralState *s = BCM2838_PERIPHERALS(obj); BCM2838PeripheralClass *bc = BCM2838_PERIPHERALS_GET_CLASS(obj); + BCMSocPeripheralBaseState *s_base = BCM_SOC_PERIPHERALS_BASE(obj); /* Lower memory region for peripheral devices (exported to the Soc) */ memory_region_init(&s->peri_low_mr, obj, "bcm2838-peripherals", bc->peri_low_size); sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->peri_low_mr); + /* Extended Mass Media Controller 2 */ + object_initialize_child(obj, "emmc2", &s->emmc2, TYPE_SYSBUS_SDHCI); + + /* GPIO */ + object_initialize_child(obj, "gpio", &s->gpio, TYPE_BCM2838_GPIO); + + object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhci", + OBJECT(&s_base->sdhci.sdbus)); + object_property_add_const_link(OBJECT(&s->gpio), "sdbus-sdhost", + OBJECT(&s_base->sdhost.sdbus)); + + object_initialize_child(obj, "mmc_irq_orgate", &s->mmc_irq_orgate, + TYPE_OR_IRQ); + object_property_set_int(OBJECT(&s->mmc_irq_orgate), "num-lines", 2, + &error_abort); + + object_initialize_child(obj, "dma_7_8_irq_orgate", &s->dma_7_8_irq_orgate, + TYPE_OR_IRQ); + object_property_set_int(OBJECT(&s->dma_7_8_irq_orgate), "num-lines", 2, + &error_abort); + + object_initialize_child(obj, "dma_9_10_irq_orgate", &s->dma_9_10_irq_orgate, + TYPE_OR_IRQ); + object_property_set_int(OBJECT(&s->dma_9_10_irq_orgate), "num-lines", 2, + &error_abort); } static void bcm2838_peripherals_realize(DeviceState *dev, Error **errp) { + DeviceState *mmc_irq_orgate; + DeviceState *dma_7_8_irq_orgate; + DeviceState *dma_9_10_irq_orgate; + MemoryRegion *mphi_mr; BCM2838PeripheralState *s = BCM2838_PERIPHERALS(dev); BCMSocPeripheralBaseState *s_base = BCM_SOC_PERIPHERALS_BASE(dev); + int n; bcm_soc_peripherals_common_realize(dev, errp); @@ -42,6 +76,115 @@ static void bcm2838_peripherals_realize(DeviceState *dev, Error **errp) BCM2838_VC_PERI_LOW_BASE, &s->peri_low_mr_alias, 1); + /* Extended Mass Media Controller 2 */ + object_property_set_uint(OBJECT(&s->emmc2), "sd-spec-version", 3, + &error_abort); + object_property_set_uint(OBJECT(&s->emmc2), "capareg", + BCM2835_SDHC_CAPAREG, &error_abort); + object_property_set_bool(OBJECT(&s->emmc2), "pending-insert-quirk", true, + &error_abort); + if (!sysbus_realize(SYS_BUS_DEVICE(&s->emmc2), errp)) { + return; + } + + memory_region_add_subregion(&s_base->peri_mr, EMMC2_OFFSET, + sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->emmc2), + 0)); + + /* According to DTS, EMMC and EMMC2 share one irq */ + if (!qdev_realize(DEVICE(&s->mmc_irq_orgate), NULL, errp)) { + return; + } + + mmc_irq_orgate = DEVICE(&s->mmc_irq_orgate); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->emmc2), 0, + qdev_get_gpio_in(mmc_irq_orgate, 0)); + + sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->sdhci), 0, + qdev_get_gpio_in(mmc_irq_orgate, 1)); + + /* Connect EMMC and EMMC2 to the interrupt controller */ + qdev_connect_gpio_out(mmc_irq_orgate, 0, + qdev_get_gpio_in_named(DEVICE(&s_base->ic), + BCM2835_IC_GPU_IRQ, + INTERRUPT_ARASANSDIO)); + + /* Connect DMA 0-6 to the interrupt controller */ + for (n = 0; n < 7; n++) { + sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma), n, + qdev_get_gpio_in_named(DEVICE(&s_base->ic), + BCM2835_IC_GPU_IRQ, + GPU_INTERRUPT_DMA0 + n)); + } + + /* According to DTS, DMA 7 and 8 share one irq */ + if (!qdev_realize(DEVICE(&s->dma_7_8_irq_orgate), NULL, errp)) { + return; + } + dma_7_8_irq_orgate = DEVICE(&s->dma_7_8_irq_orgate); + + /* Connect DMA 7-8 to the interrupt controller */ + sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma), 7, + qdev_get_gpio_in(dma_7_8_irq_orgate, 0)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma), 8, + qdev_get_gpio_in(dma_7_8_irq_orgate, 1)); + + qdev_connect_gpio_out(dma_7_8_irq_orgate, 0, + qdev_get_gpio_in_named(DEVICE(&s_base->ic), + BCM2835_IC_GPU_IRQ, + GPU_INTERRUPT_DMA7_8)); + + /* According to DTS, DMA 9 and 10 share one irq */ + if (!qdev_realize(DEVICE(&s->dma_9_10_irq_orgate), NULL, errp)) { + return; + } + dma_9_10_irq_orgate = DEVICE(&s->dma_9_10_irq_orgate); + + /* Connect DMA 9-10 to the interrupt controller */ + sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma), 9, + qdev_get_gpio_in(dma_9_10_irq_orgate, 0)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma), 10, + qdev_get_gpio_in(dma_9_10_irq_orgate, 1)); + + qdev_connect_gpio_out(dma_9_10_irq_orgate, 0, + qdev_get_gpio_in_named(DEVICE(&s_base->ic), + BCM2835_IC_GPU_IRQ, + GPU_INTERRUPT_DMA9_10)); + + /* Connect DMA 11-14 to the interrupt controller */ + for (n = 11; n < 15; n++) { + sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma), n, + qdev_get_gpio_in_named(DEVICE(&s_base->ic), + BCM2835_IC_GPU_IRQ, + GPU_INTERRUPT_DMA11 + n + - 11)); + } + + /* + * Connect DMA 15 to the interrupt controller, it is physically removed + * from other DMA channels and exclusively used by the GPU + */ + sysbus_connect_irq(SYS_BUS_DEVICE(&s_base->dma), 15, + qdev_get_gpio_in_named(DEVICE(&s_base->ic), + BCM2835_IC_GPU_IRQ, + GPU_INTERRUPT_DMA15)); + + /* Map MPHI to BCM2838 memory map */ + mphi_mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s_base->mphi), 0); + memory_region_init_alias(&s->mphi_mr_alias, OBJECT(s), "mphi", mphi_mr, 0, + BCM2838_MPHI_SIZE); + memory_region_add_subregion(&s_base->peri_mr, BCM2838_MPHI_OFFSET, + &s->mphi_mr_alias); + + /* GPIO */ + if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) { + return; + } + memory_region_add_subregion( + &s_base->peri_mr, GPIO_OFFSET, + sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0)); + + object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->gpio), "sd-bus"); } static void bcm2838_peripherals_class_init(ObjectClass *oc, void *data)