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hw/arm/xlnx-versal: Connect the OSPI flash memory controller model

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Connect the OSPI flash memory controller model (including the source and
destination DMA).

Signed-off-by: Francisco Iglesias <francisco.iglesias@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20220121161141.14389-8-francisco.iglesias@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Francisco Iglesias 2022-01-21 16:11:38 +00:00 • committed by Peter Maydell
parent cbb45ff038
commit 868d968004
2 changed files with 113 additions and 0 deletions
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93
hw/arm/xlnx-versal.c
View file

@ -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);