diff options
Diffstat (limited to 'hw/arm/xlnx-versal.c')
| -rw-r--r-- | hw/arm/xlnx-versal.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c index c8c0c10..ab58beb 100644 --- a/hw/arm/xlnx-versal.c +++ b/hw/arm/xlnx-versal.c @@ -28,6 +28,7 @@ #define GEM_REVISION 0x40070106 #define VERSAL_NUM_PMC_APB_IRQS 3 +#define NUM_OSPI_IRQ_LINES 3 static void versal_create_apu_cpus(Versal *s) { @@ -412,6 +413,97 @@ static void versal_create_pmc_iou_slcr(Versal *s, qemu_irq *pic) qdev_get_gpio_in(DEVICE(&s->pmc.apb_irq_orgate), 2)); } +static void versal_create_ospi(Versal *s, qemu_irq *pic) +{ + SysBusDevice *sbd; + MemoryRegion *mr_dac; + qemu_irq ospi_mux_sel; + DeviceState *orgate; + + memory_region_init(&s->pmc.iou.ospi.linear_mr, OBJECT(s), + "versal-ospi-linear-mr" , MM_PMC_OSPI_DAC_SIZE); + + object_initialize_child(OBJECT(s), "versal-ospi", &s->pmc.iou.ospi.ospi, + TYPE_XILINX_VERSAL_OSPI); + + mr_dac = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi), 1); + memory_region_add_subregion(&s->pmc.iou.ospi.linear_mr, 0x0, mr_dac); + + /* Create the OSPI destination DMA */ + object_initialize_child(OBJECT(s), "versal-ospi-dma-dst", + &s->pmc.iou.ospi.dma_dst, + TYPE_XLNX_CSU_DMA); + + object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_dst), + "dma", OBJECT(get_system_memory()), + &error_abort); + + sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_dst); + sysbus_realize(sbd, &error_fatal); + + memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DMA_DST, + sysbus_mmio_get_region(sbd, 0)); + + /* Create the OSPI source DMA */ + object_initialize_child(OBJECT(s), "versal-ospi-dma-src", + &s->pmc.iou.ospi.dma_src, + TYPE_XLNX_CSU_DMA); + + object_property_set_bool(OBJECT(&s->pmc.iou.ospi.dma_src), "is-dst", + false, &error_abort); + + object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_src), + "dma", OBJECT(mr_dac), &error_abort); + + object_property_set_link(OBJECT(&s->pmc.iou.ospi.dma_src), + "stream-connected-dma", + OBJECT(&s->pmc.iou.ospi.dma_dst), + &error_abort); + + sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_src); + sysbus_realize(sbd, &error_fatal); + + memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DMA_SRC, + sysbus_mmio_get_region(sbd, 0)); + + /* Realize the OSPI */ + object_property_set_link(OBJECT(&s->pmc.iou.ospi.ospi), "dma-src", + OBJECT(&s->pmc.iou.ospi.dma_src), &error_abort); + + sbd = SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi); + sysbus_realize(sbd, &error_fatal); + + memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI, + sysbus_mmio_get_region(sbd, 0)); + + memory_region_add_subregion(&s->mr_ps, MM_PMC_OSPI_DAC, + &s->pmc.iou.ospi.linear_mr); + + /* ospi_mux_sel */ + ospi_mux_sel = qdev_get_gpio_in_named(DEVICE(&s->pmc.iou.ospi.ospi), + "ospi-mux-sel", 0); + qdev_connect_gpio_out_named(DEVICE(&s->pmc.iou.slcr), "ospi-mux-sel", 0, + ospi_mux_sel); + + /* OSPI irq */ + object_initialize_child(OBJECT(s), "ospi-irq-orgate", + &s->pmc.iou.ospi.irq_orgate, TYPE_OR_IRQ); + object_property_set_int(OBJECT(&s->pmc.iou.ospi.irq_orgate), + "num-lines", NUM_OSPI_IRQ_LINES, &error_fatal); + + orgate = DEVICE(&s->pmc.iou.ospi.irq_orgate); + qdev_realize(orgate, NULL, &error_fatal); + + sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi), 0, + qdev_get_gpio_in(orgate, 0)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_src), 0, + qdev_get_gpio_in(orgate, 1)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_dst), 0, + qdev_get_gpio_in(orgate, 2)); + + qdev_connect_gpio_out(orgate, 0, pic[VERSAL_OSPI_IRQ]); +} + /* This takes the board allocated linear DDR memory and creates aliases * for each split DDR range/aperture on the Versal address map. */ @@ -552,6 +644,7 @@ static void versal_realize(DeviceState *dev, Error **errp) versal_create_bbram(s, pic); versal_create_efuse(s, pic); versal_create_pmc_iou_slcr(s, pic); + versal_create_ospi(s, pic); versal_map_ddr(s); versal_unimp(s); |