Connect the OSPI flash memory controller model (including the source and destination DMA).
Signed-off-by: Francisco Iglesias <francisco.igles...@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.igles...@xilinx.com> --- hw/arm/xlnx-versal.c | 88 ++++++++++++++++++++++++++++++++++++++++++++ include/hw/arm/xlnx-versal.h | 20 ++++++++++ 2 files changed, 108 insertions(+) diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c index bb13b07e79..c8228afe03 100644 --- a/hw/arm/xlnx-versal.c +++ b/hw/arm/xlnx-versal.c @@ -24,6 +24,7 @@ #define XLNX_VERSAL_ACPU_TYPE ARM_CPU_TYPE_NAME("cortex-a72") #define GEM_REVISION 0x40070106 +#define NUM_OSPI_IRQ_LINES 3 static void versal_create_apu_cpus(Versal *s) { @@ -385,6 +386,92 @@ static void versal_create_pmc_iou_slcr(Versal *s, qemu_irq *pic) sysbus_connect_irq(sbd, 0, pic[VERSAL_PMC_IOU_SLCR_IRQ]); } +static void versal_create_ospi(Versal *s, qemu_irq *pic) +{ + SysBusDevice *sbd; + MemoryRegion *mr_dac; + + 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 */ + qdev_connect_gpio_out(DEVICE(&s->pmc.iou.slcr), 3, + qdev_get_gpio_in(DEVICE(&s->pmc.iou.ospi.ospi), 0)); + + /* OSPI irq */ + object_initialize_child(OBJECT(s), "ospi-irq", + &s->pmc.iou.ospi.irq, TYPE_OR_IRQ); + object_property_set_int(OBJECT(&s->pmc.iou.ospi.irq), + "num-lines", NUM_OSPI_IRQ_LINES, &error_fatal); + qdev_realize(DEVICE(&s->pmc.iou.ospi.irq), NULL, &error_fatal); + + sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.ospi), 0, + qdev_get_gpio_in(DEVICE(&s->pmc.iou.ospi.irq), 0)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_src), 0, + qdev_get_gpio_in(DEVICE(&s->pmc.iou.ospi.irq), 1)); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->pmc.iou.ospi.dma_dst), 0, + qdev_get_gpio_in(DEVICE(&s->pmc.iou.ospi.irq), 2)); + + qdev_connect_gpio_out(DEVICE(&s->pmc.iou.ospi.irq), 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. */ @@ -476,6 +563,7 @@ 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); diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h index 729c093dfc..d5c9c3900b 100644 --- a/include/hw/arm/xlnx-versal.h +++ b/include/hw/arm/xlnx-versal.h @@ -26,6 +26,8 @@ #include "hw/misc/xlnx-versal-xramc.h" #include "hw/nvram/xlnx-bbram.h" #include "hw/nvram/xlnx-versal-efuse.h" +#include "hw/ssi/xlnx-versal-ospi.h" +#include "hw/dma/xlnx_csu_dma.h" #include "hw/misc/xlnx-versal-pmc-iou-slcr.h" #define TYPE_XLNX_VERSAL "xlnx-versal" @@ -80,6 +82,14 @@ struct Versal { struct { SDHCIState sd[XLNX_VERSAL_NR_SDS]; XlnxVersalPmcIouSlcr slcr; + + struct { + XlnxVersalOspi ospi; + XlnxCSUDMA dma_src; + XlnxCSUDMA dma_dst; + MemoryRegion linear_mr; + qemu_or_irq irq; + } ospi; } iou; XlnxZynqMPRTC rtc; @@ -116,6 +126,7 @@ struct Versal { #define VERSAL_BBRAM_APB_IRQ_0 121 #define VERSAL_RTC_APB_ERR_IRQ 121 #define VERSAL_PMC_IOU_SLCR_IRQ 121 +#define VERSAL_OSPI_IRQ 124 #define VERSAL_SD0_IRQ_0 126 #define VERSAL_EFUSE_IRQ 139 #define VERSAL_RTC_ALARM_IRQ 142 @@ -184,6 +195,15 @@ struct Versal { #define MM_PMC_PMC_IOU_SLCR 0xf1060000 #define MM_PMC_PMC_IOU_SLCR_SIZE 0x10000 +#define MM_PMC_OSPI 0xf1010000 +#define MM_PMC_OSPI_SIZE 0x10000 + +#define MM_PMC_OSPI_DAC 0xc0000000 +#define MM_PMC_OSPI_DAC_SIZE 0x20000000 + +#define MM_PMC_OSPI_DMA_DST 0xf1011800 +#define MM_PMC_OSPI_DMA_SRC 0xf1011000 + #define MM_PMC_SD0 0xf1040000U #define MM_PMC_SD0_SIZE 0x10000 #define MM_PMC_BBRAM_CTRL 0xf11f0000 -- 2.11.0