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| author | Xuzhou Cheng <xuzhou.cheng@windriver.com> | 2021-03-03 21:52:52 +0800 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-03-10 13:54:51 +0000 |
| commit | 668351a54883b6283e7ae94daf4d4eca1a071158 (patch) | |
| tree | d44541fb944bcb9d809bf9df774a141072f88dd2 | |
| parent | 21bce3717e2cb70e3bea06e8684bae111c9f4dda (diff) | |
| download | qemu-668351a54883b6283e7ae94daf4d4eca1a071158.zip qemu-668351a54883b6283e7ae94daf4d4eca1a071158.tar.gz qemu-668351a54883b6283e7ae94daf4d4eca1a071158.tar.bz2 | |
hw/arm: xlnx-zynqmp: Connect a Xilinx CSU DMA module for QSPI
Add a Xilinx CSU DMA module to ZynqMP SoC, and connent the stream
link of GQSPI to CSU DMA.
Signed-off-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20210303135254.3970-4-bmeng.cn@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/arm/Kconfig | 1 | ||||
| -rw-r--r-- | hw/arm/xlnx-zynqmp.c | 12 | ||||
| -rw-r--r-- | include/hw/arm/xlnx-zynqmp.h | 2 |
3 files changed, 15 insertions, 0 deletions
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index f2b7a8f..8c37cf0 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 diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c index e2056a7..7f01284 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) @@ -638,6 +641,15 @@ 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/include/hw/arm/xlnx-zynqmp.h b/include/hw/arm/xlnx-zynqmp.h index c83ef23..1676a84 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; |