versal: integrate LPD_IOU_SLCR into Versal SoC

Realize the LPD IOU SLCR as part of Versal SoC creation. Map the LPD IOU SLCR into the PS address space. Signed-off-by: Nelson Ho <[email protected]>
Wind-River · Dec 6, 2024 · 59ebbf0 · 59ebbf0
1 parent 7171ca6
commit 59ebbf0
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diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
@@ -528,6 +528,7 @@ config XLNX_VERSAL
     select XLNX_USB_SUBSYS
     select XLNX_VERSAL_TRNG
     select XLNX_CSU_DMA
+    select XLNX_LPD_IOU_SLCR
 
 config NPCM7XX
     bool

diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
@@ -806,6 +806,21 @@ static void versal_create_smmu(Versal *s, qemu_irq *pic)
     sysbus_connect_irq(sbd, 0, pic[VERSAL_SMMU_IRQ]);
 }
 
+static void versal_create_lpd_iou_slcr(Versal *s)
+{
+    SysBusDevice *sbd;
+    MemoryRegion *mr;
+
+    object_initialize_child(OBJECT(s), "lpd_iou_slcr", &s->lpd.iou.slcr,
+                            TYPE_XLNX_LPD_IOU_SLCR);
+    sbd = SYS_BUS_DEVICE(&s->lpd.iou.slcr);
+    sysbus_realize(sbd, &error_fatal);
+
+    mr = sysbus_mmio_get_region(sbd, 0);
+
+    memory_region_add_subregion(&s->mr_ps, MM_LPD_IOU_SLCR, mr);
+}
+
 /* This takes the board allocated linear DDR memory and creates aliases
  * for each split DDR range/aperture on the Versal address map.
  */
@@ -937,6 +952,7 @@ static void versal_realize(DeviceState *dev, Error **errp)
     versal_create_canfds(s, pic);
     versal_create_smmu(s, pic);
     versal_create_usbs(s, pic);
+    versal_create_lpd_iou_slcr(s);
     versal_create_gems(s, pic);
     versal_create_admas(s, pic);
     versal_create_sds(s, pic);

diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
@@ -32,6 +32,7 @@
 #include "hw/misc/xlnx-versal-crl.h"
 #include "hw/misc/xlnx-versal-pmc-iou-slcr.h"
 #include "hw/misc/xlnx-versal-trng.h"
+#include "hw/misc/xlnx-versal-lpd-iou-slcr.h"
 #include "hw/net/xlnx-versal-canfd.h"
 #include "hw/misc/xlnx-versal-cfu.h"
 #include "hw/misc/xlnx-versal-cframe-reg.h"
@@ -85,6 +86,7 @@ struct Versal {
             VersalUsb2 usb;
             CanBusState *canbus[XLNX_VERSAL_NR_CANFD];
             XlnxVersalCANFDState canfd[XLNX_VERSAL_NR_CANFD];
+            LPD_IOU_SLCR slcr;
         } iou;
 
         /* Real-time Processing Unit.  */
@@ -191,6 +193,8 @@ struct Versal {
 #define MM_CANFD1                   0xff070000U
 #define MM_CANFD1_SIZE              0x10000
 
+#define MM_LPD_IOU_SLCR             0xff080000U
+
 #define MM_GEM0                     0xff0c0000U
 #define MM_GEM0_SIZE                0x10000
 #define MM_GEM0_PHY_ID              0xc