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[81.231.232.130]) by smtp.gmail.com with ESMTPSA id q9sm2492094lfb.253.2021.02.23.01.24.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Feb 2021 01:24:18 -0800 (PST) Date: Tue, 23 Feb 2021 10:24:17 +0100 From: "Edgar E. Iglesias" To: Bin Meng Subject: Re: [RESEND PATCH v4 3/5] hw/arm: xlnx-zynqmp: Connect a Xilinx CSU DMA module for QSPI Message-ID: <20210223092417.GW477672@toto> References: <20210222131502.3098-1-bmeng.cn@gmail.com> <20210222131502.3098-4-bmeng.cn@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210222131502.3098-4-bmeng.cn@gmail.com> Received-SPF: pass client-ip=2a00:1450:4864:20::235; envelope-from=edgar.iglesias@gmail.com; helo=mail-lj1-x235.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 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Xuzhou Cheng , Bin Meng , qemu-devel@nongnu.org, Francisco Iglesias , qemu-arm@nongnu.org, Alistair Francis Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Mon, Feb 22, 2021 at 09:15:00PM +0800, Bin Meng wrote: > From: Xuzhou Cheng > > Add a Xilinx CSU DMA module to ZynqMP SoC, and connent the stream > link of GQSPI to CSU DMA. > > Signed-off-by: Xuzhou Cheng > Signed-off-by: Bin Meng Reviewed-by: Edgar E. Iglesias > > --- > RESEND this patch to remove 2 blank lines that were accidently added > > Changes in v4: > - Rename "csu_dma" to "qspi_dma" > > Changes in v3: > - new patch: xlnx-zynqmp: Add XLNX CSU DMA module > > include/hw/arm/xlnx-zynqmp.h | 2 ++ > hw/arm/xlnx-zynqmp.c | 12 ++++++++++++ > hw/arm/Kconfig | 1 + > 3 files changed, 15 insertions(+) > > diff --git a/include/hw/arm/xlnx-zynqmp.h b/include/hw/arm/xlnx-zynqmp.h > index be15cc8814..2edeed911c 100644 > --- a/include/hw/arm/xlnx-zynqmp.h > +++ b/include/hw/arm/xlnx-zynqmp.h > @@ -35,6 +35,7 @@ > #include "target/arm/cpu.h" > #include "qom/object.h" > #include "net/can_emu.h" > +#include "hw/dma/xlnx_csu_dma.h" > > #define TYPE_XLNX_ZYNQMP "xlnx,zynqmp" > OBJECT_DECLARE_SIMPLE_TYPE(XlnxZynqMPState, XLNX_ZYNQMP) > @@ -108,6 +109,7 @@ struct XlnxZynqMPState { > XlnxZynqMPRTC rtc; > XlnxZDMA gdma[XLNX_ZYNQMP_NUM_GDMA_CH]; > XlnxZDMA adma[XLNX_ZYNQMP_NUM_ADMA_CH]; > + XlnxCSUDMA qspi_dma; > > char *boot_cpu; > ARMCPU *boot_cpu_ptr; > diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c > index 49465a2794..76cc3b5e78 100644 > --- a/hw/arm/xlnx-zynqmp.c > +++ b/hw/arm/xlnx-zynqmp.c > @@ -50,6 +50,7 @@ > #define QSPI_ADDR 0xff0f0000 > #define LQSPI_ADDR 0xc0000000 > #define QSPI_IRQ 15 > +#define QSPI_DMA_ADDR 0xff0f0800 > > #define DP_ADDR 0xfd4a0000 > #define DP_IRQ 113 > @@ -284,6 +285,8 @@ static void xlnx_zynqmp_init(Object *obj) > for (i = 0; i < XLNX_ZYNQMP_NUM_ADMA_CH; i++) { > object_initialize_child(obj, "adma[*]", &s->adma[i], TYPE_XLNX_ZDMA); > } > + > + object_initialize_child(obj, "qspi-dma", &s->qspi_dma, TYPE_XLNX_CSU_DMA); > } > > static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp) > @@ -643,6 +646,15 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp) > sysbus_connect_irq(SYS_BUS_DEVICE(&s->adma[i]), 0, > gic_spi[adma_ch_intr[i]]); > } > + > + if (!sysbus_realize(SYS_BUS_DEVICE(&s->qspi_dma), errp)) { > + return; > + } > + > + sysbus_mmio_map(SYS_BUS_DEVICE(&s->qspi_dma), 0, QSPI_DMA_ADDR); > + sysbus_connect_irq(SYS_BUS_DEVICE(&s->qspi_dma), 0, gic_spi[QSPI_IRQ]); > + object_property_set_link(OBJECT(&s->qspi), "stream-connected-dma", > + OBJECT(&s->qspi_dma), errp); > } > > static Property xlnx_zynqmp_props[] = { > diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig > index 4e6f4ffe90..27ec10f89b 100644 > --- a/hw/arm/Kconfig > +++ b/hw/arm/Kconfig > @@ -353,6 +353,7 @@ config XLNX_ZYNQMP_ARM > select SSI_M25P80 > select XILINX_AXI > select XILINX_SPIPS > + select XLNX_CSU_DMA > select XLNX_ZYNQMP > select XLNX_ZDMA > > -- > 2.25.1 >