[PULL 09/62] hw/arm/xlnx-versal: xram: refactor creation

[Peter Maydell <peter.maydell@linaro.org>]

From: Luc Michel <luc.michel@amd.com>

Refactor the XRAM devices creation using the VersalMap structure.

Signed-off-by: Luc Michel <luc.michel@amd.com>
Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20250926070806.292065-9-luc.michel@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 include/hw/arm/xlnx-versal.h |  6 ----
 hw/arm/xlnx-versal.c         | 59 +++++++++++++++++++++---------------
 2 files changed, 35 insertions(+), 30 deletions(-)

diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
index 4eeea98ff34..71c3314b8b4 100644
--- a/include/hw/arm/xlnx-versal.h
+++ b/include/hw/arm/xlnx-versal.h
@@ -20,7 +20,6 @@
 #include "hw/rtc/xlnx-zynqmp-rtc.h"
 #include "qom/object.h"
 #include "hw/usb/xlnx-usb-subsystem.h"
-#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"
@@ -88,11 +87,6 @@ struct Versal {
             ARMCPU cpu[XLNX_VERSAL_NR_RCPUS];
         } rpu;
 
-        struct {
-            OrIRQState irq_orgate;
-            XlnxXramCtrl ctrl[XLNX_VERSAL_NR_XRAM];
-        } xram;
-
         XlnxVersalCRL crl;
     } lpd;
 
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
index 5c2bd4be1f7..295fca3d60d 100644
--- a/hw/arm/xlnx-versal.c
+++ b/hw/arm/xlnx-versal.c
@@ -31,6 +31,7 @@
 #include "hw/sd/sdhci.h"
 #include "hw/net/cadence_gem.h"
 #include "hw/dma/xlnx-zdma.h"
+#include "hw/misc/xlnx-versal-xramc.h"
 
 #define XLNX_VERSAL_ACPU_TYPE ARM_CPU_TYPE_NAME("cortex-a72")
 #define XLNX_VERSAL_RCPU_TYPE ARM_CPU_TYPE_NAME("cortex-r5f")
@@ -71,6 +72,14 @@ typedef struct VersalMap {
     } zdma[2];
     size_t num_zdma;
 
+    struct VersalXramMap {
+        uint64_t mem;
+        uint64_t mem_stride;
+        uint64_t ctrl;
+        uint64_t ctrl_stride;
+        int irq;
+        size_t num;
+    } xram;
 } VersalMap;
 
 static const VersalMap VERSAL_MAP = {
@@ -92,6 +101,13 @@ static const VersalMap VERSAL_MAP = {
 
     .zdma[0] = { "adma", { 0xffa80000, 60 }, 8, 0x10000, 1 },
     .num_zdma = 1,
+
+    .xram = {
+        .num = 4,
+        .mem = 0xfe800000, .mem_stride = 1 * MiB,
+        .ctrl = 0xff8e0000, .ctrl_stride = 0x10000,
+        .irq = 79,
+    },
 };
 
 static const VersalMap *VERSION_TO_MAP[] = {
@@ -641,37 +657,31 @@ static void versal_create_trng(Versal *s, qemu_irq *pic)
     sysbus_connect_irq(sbd, 0, pic[VERSAL_TRNG_IRQ]);
 }
 
-static void versal_create_xrams(Versal *s, qemu_irq *pic)
+static void versal_create_xrams(Versal *s, const struct VersalXramMap *map)
 {
-    int nr_xrams = ARRAY_SIZE(s->lpd.xram.ctrl);
-    DeviceState *orgate;
-    int i;
+    SysBusDevice *sbd;
+    MemoryRegion *mr;
+    DeviceState *or;
+    size_t i;
 
-    /* XRAM IRQs get ORed into a single line.  */
-    object_initialize_child(OBJECT(s), "xram-irq-orgate",
-                            &s->lpd.xram.irq_orgate, TYPE_OR_IRQ);
-    orgate = DEVICE(&s->lpd.xram.irq_orgate);
-    object_property_set_int(OBJECT(orgate),
-                            "num-lines", nr_xrams, &error_fatal);
-    qdev_realize(orgate, NULL, &error_fatal);
-    qdev_connect_gpio_out(orgate, 0, pic[VERSAL_XRAM_IRQ_0]);
+    or = create_or_gate(s, OBJECT(s), "xram-orgate", map->num, map->irq);
 
-    for (i = 0; i < ARRAY_SIZE(s->lpd.xram.ctrl); i++) {
-        SysBusDevice *sbd;
-        MemoryRegion *mr;
+    for (i = 0; i < map->num; i++) {
+        hwaddr ctrl, mem;
 
-        object_initialize_child(OBJECT(s), "xram[*]", &s->lpd.xram.ctrl[i],
-                                TYPE_XLNX_XRAM_CTRL);
-        sbd = SYS_BUS_DEVICE(&s->lpd.xram.ctrl[i]);
-        sysbus_realize(sbd, &error_fatal);
+        sbd = SYS_BUS_DEVICE(qdev_new(TYPE_XLNX_XRAM_CTRL));
+        object_property_add_child(OBJECT(s), "xram[*]", OBJECT(sbd));
+        sysbus_realize_and_unref(sbd, &error_fatal);
+
+        ctrl = map->ctrl + map->ctrl_stride * i;
+        mem = map->mem + map->mem_stride * i;
 
         mr = sysbus_mmio_get_region(sbd, 0);
-        memory_region_add_subregion(&s->mr_ps,
-                                    MM_XRAMC + i * MM_XRAMC_SIZE, mr);
+        memory_region_add_subregion(&s->mr_ps, ctrl, mr);
         mr = sysbus_mmio_get_region(sbd, 1);
-        memory_region_add_subregion(&s->mr_ps, MM_XRAM + i * MiB, mr);
+        memory_region_add_subregion(&s->mr_ps, mem, mr);
 
-        sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(orgate, i));
+        sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(or, i));
     }
 }
 
@@ -1196,11 +1206,12 @@ static void versal_realize(DeviceState *dev, Error **errp)
         versal_create_zdma(s, &map->zdma[i]);
     }
 
+    versal_create_xrams(s, &map->xram);
+
     versal_create_usbs(s, pic);
     versal_create_pmc_apb_irq_orgate(s, pic);
     versal_create_rtc(s, pic);
     versal_create_trng(s, pic);
-    versal_create_xrams(s, pic);
     versal_create_bbram(s, pic);
     versal_create_efuse(s, pic);
     versal_create_pmc_iou_slcr(s, pic);
-- 
2.43.0