mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

hw/arm: xlnx-zynqmp: Connect a Xilinx CSU DMA module for QSPI

Browse Source 
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>
This commit is contained in:
Xuzhou Cheng 2021-03-03 21:52:52 +08:00 committed by Peter Maydell
parent 21bce3717e
commit 668351a548
3 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
hw/arm/Kconfig
View File

@ -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

12
hw/arm/xlnx-zynqmp.c
View File

@ -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[] = {

2
include/hw/arm/xlnx-zynqmp.h
View File

@ -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;