hw/intc/loongarch_pch: Modify name of some registers

For some registers with width 8 bytes, its name is something like
PCH_PIC_INT_ID_LO and PCH_PIC_INT_ID_HI. From hardware manual,
register name is PCH_PIC_INT_ID instead. Here name PCH_PIC_INT_ID
is used, and PCH_PIC_INT_ID + 4 is used for PCH_PIC_INT_ID_HI.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-2-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>

3 files changed, 36 insertions, 43 deletions

diff --git a/hw/intc/loongarch_pch_pic.c b/hw/intc/loongarch_pch_pic.c
index 8340962..748213d 100644
--- a/hw/intc/loongarch_pch_pic.c
+++ b/hw/intc/loongarch_pch_pic.c
@@ -79,10 +79,10 @@ static uint64_t loongarch_pch_pic_low_readw(void *opaque, hwaddr addr,
     uint32_t offset = addr & 0xfff;
 
     switch (offset) {
-    case PCH_PIC_INT_ID_LO:
+    case PCH_PIC_INT_ID:
         val = PCH_PIC_INT_ID_VAL;
         break;
-    case PCH_PIC_INT_ID_HI:
+    case PCH_PIC_INT_ID + 4:
         /*
          * With 7A1000 manual
          *   bit  0-15 pch irqchip version
@@ -90,28 +90,29 @@ static uint64_t loongarch_pch_pic_low_readw(void *opaque, hwaddr addr,
          */
         val = deposit32(PCH_PIC_INT_ID_VER, 16, 16, s->irq_num - 1);
         break;
-    case PCH_PIC_INT_MASK_LO:
+    case PCH_PIC_INT_MASK:
         val = (uint32_t)s->int_mask;
         break;
-    case PCH_PIC_INT_MASK_HI:
+    case PCH_PIC_INT_MASK + 4:
         val = s->int_mask >> 32;
         break;
-    case PCH_PIC_INT_EDGE_LO:
+    case PCH_PIC_INT_EDGE:
         val = (uint32_t)s->intedge;
         break;
-    case PCH_PIC_INT_EDGE_HI:
+    case PCH_PIC_INT_EDGE + 4:
         val = s->intedge >> 32;
         break;
-    case PCH_PIC_HTMSI_EN_LO:
+    case PCH_PIC_HTMSI_EN:
         val = (uint32_t)s->htmsi_en;
         break;
-    case PCH_PIC_HTMSI_EN_HI:
+    case PCH_PIC_HTMSI_EN + 4:
         val = s->htmsi_en >> 32;
         break;
-    case PCH_PIC_AUTO_CTRL0_LO:
-    case PCH_PIC_AUTO_CTRL0_HI:
-    case PCH_PIC_AUTO_CTRL1_LO:
-    case PCH_PIC_AUTO_CTRL1_HI:
+    case PCH_PIC_AUTO_CTRL0:
+    case PCH_PIC_AUTO_CTRL0 + 4:
+    case PCH_PIC_AUTO_CTRL1:
+    case PCH_PIC_AUTO_CTRL1 + 4:
+        /* PCH PIC connect to EXTIOI always, discard auto_ctrl access */
         break;
     default:
         break;
@@ -140,7 +141,7 @@ static void loongarch_pch_pic_low_writew(void *opaque, hwaddr addr,
     trace_loongarch_pch_pic_low_writew(size, addr, data);
 
     switch (offset) {
-    case PCH_PIC_INT_MASK_LO:
+    case PCH_PIC_INT_MASK:
         old = s->int_mask;
         s->int_mask = get_writew_val(old, data, 0);
         old_valid = (uint32_t)old;
@@ -151,7 +152,7 @@ static void loongarch_pch_pic_low_writew(void *opaque, hwaddr addr,
             pch_pic_update_irq(s, (~old_valid & data), 0);
         }
         break;
-    case PCH_PIC_INT_MASK_HI:
+    case PCH_PIC_INT_MASK + 4:
         old = s->int_mask;
         s->int_mask = get_writew_val(old, data, 1);
         old_valid = (uint32_t)(old >> 32);
@@ -164,20 +165,20 @@ static void loongarch_pch_pic_low_writew(void *opaque, hwaddr addr,
             pch_pic_update_irq(s, int_mask << 32, 0);
         }
         break;
-    case PCH_PIC_INT_EDGE_LO:
+    case PCH_PIC_INT_EDGE:
         s->intedge = get_writew_val(s->intedge, data, 0);
         break;
-    case PCH_PIC_INT_EDGE_HI:
+    case PCH_PIC_INT_EDGE + 4:
         s->intedge = get_writew_val(s->intedge, data, 1);
         break;
-    case PCH_PIC_INT_CLEAR_LO:
+    case PCH_PIC_INT_CLEAR:
         if (s->intedge & data) {
             s->intirr &= (~data);
             pch_pic_update_irq(s, data, 0);
             s->intisr &= (~data);
         }
         break;
-    case PCH_PIC_INT_CLEAR_HI:
+    case PCH_PIC_INT_CLEAR + 4:
         value <<= 32;
         if (s->intedge & value) {
             s->intirr &= (~value);
@@ -185,16 +186,17 @@ static void loongarch_pch_pic_low_writew(void *opaque, hwaddr addr,
             s->intisr &= (~value);
         }
         break;
-    case PCH_PIC_HTMSI_EN_LO:
+    case PCH_PIC_HTMSI_EN:
         s->htmsi_en = get_writew_val(s->htmsi_en, data, 0);
         break;
-    case PCH_PIC_HTMSI_EN_HI:
+    case PCH_PIC_HTMSI_EN + 4:
         s->htmsi_en = get_writew_val(s->htmsi_en, data, 1);
         break;
-    case PCH_PIC_AUTO_CTRL0_LO:
-    case PCH_PIC_AUTO_CTRL0_HI:
-    case PCH_PIC_AUTO_CTRL1_LO:
-    case PCH_PIC_AUTO_CTRL1_HI:
+    case PCH_PIC_AUTO_CTRL0:
+    case PCH_PIC_AUTO_CTRL0 + 4:
+    case PCH_PIC_AUTO_CTRL1:
+    case PCH_PIC_AUTO_CTRL1 + 4:
+        /* discard auto_ctrl access */
         break;
     default:
         break;
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 7ad7fb6..8a4958a 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -433,7 +433,7 @@ static void virt_irq_init(LoongArchVirtMachineState *lvms)
                             VIRT_IOAPIC_REG_BASE + PCH_PIC_ROUTE_ENTRY_OFFSET,
                             sysbus_mmio_get_region(d, 1));
     memory_region_add_subregion(get_system_memory(),
-                            VIRT_IOAPIC_REG_BASE + PCH_PIC_INT_STATUS_LO,
+                            VIRT_IOAPIC_REG_BASE + PCH_PIC_INT_STATUS,
                             sysbus_mmio_get_region(d, 2));
 
     /* Connect pch_pic irqs to extioi */
diff --git a/include/hw/intc/loongarch_pic_common.h b/include/hw/intc/loongarch_pic_common.h
index d301377..8826d15 100644
--- a/include/hw/intc/loongarch_pic_common.h
+++ b/include/hw/intc/loongarch_pic_common.h
@@ -12,28 +12,19 @@
 
 #define PCH_PIC_INT_ID_VAL              0x7000000UL
 #define PCH_PIC_INT_ID_VER              0x1UL
-#define PCH_PIC_INT_ID_LO               0x00
-#define PCH_PIC_INT_ID_HI               0x04
-#define PCH_PIC_INT_MASK_LO             0x20
-#define PCH_PIC_INT_MASK_HI             0x24
-#define PCH_PIC_HTMSI_EN_LO             0x40
-#define PCH_PIC_HTMSI_EN_HI             0x44
-#define PCH_PIC_INT_EDGE_LO             0x60
-#define PCH_PIC_INT_EDGE_HI             0x64
-#define PCH_PIC_INT_CLEAR_LO            0x80
-#define PCH_PIC_INT_CLEAR_HI            0x84
-#define PCH_PIC_AUTO_CTRL0_LO           0xc0
-#define PCH_PIC_AUTO_CTRL0_HI           0xc4
-#define PCH_PIC_AUTO_CTRL1_LO           0xe0
-#define PCH_PIC_AUTO_CTRL1_HI           0xe4
+#define PCH_PIC_INT_ID                  0x00
+#define PCH_PIC_INT_MASK                0x20
+#define PCH_PIC_HTMSI_EN                0x40
+#define PCH_PIC_INT_EDGE                0x60
+#define PCH_PIC_INT_CLEAR               0x80
+#define PCH_PIC_AUTO_CTRL0              0xc0
+#define PCH_PIC_AUTO_CTRL1              0xe0
 #define PCH_PIC_ROUTE_ENTRY_OFFSET      0x100
 #define PCH_PIC_ROUTE_ENTRY_END         0x13f
 #define PCH_PIC_HTMSI_VEC_OFFSET        0x200
 #define PCH_PIC_HTMSI_VEC_END           0x23f
-#define PCH_PIC_INT_STATUS_LO           0x3a0
-#define PCH_PIC_INT_STATUS_HI           0x3a4
-#define PCH_PIC_INT_POL_LO              0x3e0
-#define PCH_PIC_INT_POL_HI              0x3e4
+#define PCH_PIC_INT_STATUS              0x3a0
+#define PCH_PIC_INT_POL                 0x3e0
 
 #define STATUS_LO_START                 0
 #define STATUS_HI_START                 0x4