Merge tag 'pull-aspeed-20240709' of https://github.com/legoater/qemu into stagingHEADstagingmaster

aspeed queue:

* support AST2700 network

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# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
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# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-aspeed-20240709' of https://github.com/legoater/qemu:
  machine_aspeed.py: update to test network for AST2700
  machine_aspeed.py: update to test ASPEED OpenBMC SDK v09.02 for AST2700
  hw/block: m25p80: support quad mode for w25q01jvq
  aspeed/soc: set dma64 property for AST2700 ftgmac100
  hw/net:ftgmac100: update TX and RX packet buffers address to 64 bits
  hw/net:ftgmac100: introduce TX and RX ring base address high registers to support 64 bits
  hw/net:ftgmac100: update ring base address to 64 bits
  hw/net:ftgmac100: update memory region size to 64KB

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

3 files changed, 143 insertions, 23 deletions

diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c
index 18e6a8b..a9fb0d4 100644
--- a/hw/arm/aspeed_ast27x0.c
+++ b/hw/arm/aspeed_ast27x0.c
@@ -552,9 +552,12 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)
         return;
     }
 
+    /* Net */
     for (i = 0; i < sc->macs_num; i++) {
         object_property_set_bool(OBJECT(&s->ftgmac100[i]), "aspeed", true,
                                  &error_abort);
+        object_property_set_bool(OBJECT(&s->ftgmac100[i]), "dma64", true,
+                                 &error_abort);
         if (!sysbus_realize(SYS_BUS_DEVICE(&s->ftgmac100[i]), errp)) {
             return;
         }
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index 8dec134..9e99107 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -416,6 +416,7 @@ typedef enum {
     /*
      * Micron: 0x35 - enable QPI
      * Spansion: 0x35 - read control register
+     * Winbond: 0x35 - quad enable
      */
     RDCR_EQIO = 0x35,
     RSTQIO = 0xf5,
@@ -798,6 +799,11 @@ static void complete_collecting_data(Flash *s)
                 s->four_bytes_address_mode = extract32(s->data[1], 5, 1);
             }
             break;
+        case MAN_WINBOND:
+            if (s->len > 1) {
+                s->quad_enable = !!(s->data[1] & 0x02);
+            }
+            break;
         default:
             break;
         }
@@ -1254,6 +1260,10 @@ static void decode_new_cmd(Flash *s, uint32_t value)
             s->needed_bytes = 2;
             s->state = STATE_COLLECTING_VAR_LEN_DATA;
             break;
+        case MAN_WINBOND:
+            s->needed_bytes = 2;
+            s->state = STATE_COLLECTING_VAR_LEN_DATA;
+            break;
         default:
             s->needed_bytes = 1;
             s->state = STATE_COLLECTING_DATA;
@@ -1431,6 +1441,12 @@ static void decode_new_cmd(Flash *s, uint32_t value)
         case MAN_MACRONIX:
             s->quad_enable = true;
             break;
+        case MAN_WINBOND:
+            s->data[0] = (!!s->quad_enable) << 1;
+            s->pos = 0;
+            s->len = 1;
+            s->state = STATE_READING_DATA;
+            break;
         default:
             break;
         }
diff --git a/hw/net/ftgmac100.c b/hw/net/ftgmac100.c
index 25e4c0c..80f9cd5 100644
--- a/hw/net/ftgmac100.c
+++ b/hw/net/ftgmac100.c
@@ -57,6 +57,16 @@
 #define FTGMAC100_FCR             0x68
 
 /*
+ * FTGMAC100 registers high
+ *
+ * values below are offset by - FTGMAC100_REG_HIGH_OFFSET from datasheet
+ * because its memory region is start at FTGMAC100_REG_HIGH_OFFSET
+ */
+#define FTGMAC100_NPTXR_BADR_HIGH   (0x17C - FTGMAC100_REG_HIGH_OFFSET)
+#define FTGMAC100_HPTXR_BADR_HIGH   (0x184 - FTGMAC100_REG_HIGH_OFFSET)
+#define FTGMAC100_RXR_BADR_HIGH     (0x18C - FTGMAC100_REG_HIGH_OFFSET)
+
+/*
  * Interrupt status register & interrupt enable register
  */
 #define FTGMAC100_INT_RPKT_BUF    (1 << 0)
@@ -165,6 +175,8 @@
 #define FTGMAC100_TXDES1_TX2FIC          (1 << 30)
 #define FTGMAC100_TXDES1_TXIC            (1 << 31)
 
+#define FTGMAC100_TXDES2_TXBUF_BADR_HI(x)   (((x) >> 16) & 0x7)
+
 /*
  * Receive descriptor
  */
@@ -198,13 +210,15 @@
 #define FTGMAC100_RXDES1_UDP_CHKSUM_ERR  (1 << 26)
 #define FTGMAC100_RXDES1_IP_CHKSUM_ERR   (1 << 27)
 
+#define FTGMAC100_RXDES2_RXBUF_BADR_HI(x)   (((x) >> 16) & 0x7)
+
 /*
  * Receive and transmit Buffer Descriptor
  */
 typedef struct {
     uint32_t        des0;
     uint32_t        des1;
-    uint32_t        des2;        /* not used by HW */
+    uint32_t        des2;        /* used by HW 64 bits DMA */
     uint32_t        des3;
 } FTGMAC100Desc;
 
@@ -515,12 +529,13 @@ out:
     return frame_size;
 }
 
-static void ftgmac100_do_tx(FTGMAC100State *s, uint32_t tx_ring,
-                            uint32_t tx_descriptor)
+static void ftgmac100_do_tx(FTGMAC100State *s, uint64_t tx_ring,
+                            uint64_t tx_descriptor)
 {
     int frame_size = 0;
     uint8_t *ptr = s->frame;
-    uint32_t addr = tx_descriptor;
+    uint64_t addr = tx_descriptor;
+    uint64_t buf_addr = 0;
     uint32_t flags = 0;
 
     while (1) {
@@ -559,7 +574,12 @@ static void ftgmac100_do_tx(FTGMAC100State *s, uint32_t tx_ring,
             len =  sizeof(s->frame) - frame_size;
         }
 
-        if (dma_memory_read(&address_space_memory, bd.des3,
+        buf_addr = bd.des3;
+        if (s->dma64) {
+            buf_addr = deposit64(buf_addr, 32, 32,
+                                 FTGMAC100_TXDES2_TXBUF_BADR_HI(bd.des2));
+        }
+        if (dma_memory_read(&address_space_memory, buf_addr,
                             ptr, len, MEMTXATTRS_UNSPECIFIED)) {
             qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to read packet @ 0x%x\n",
                           __func__, bd.des3);
@@ -726,9 +746,9 @@ static uint64_t ftgmac100_read(void *opaque, hwaddr addr, unsigned size)
     case FTGMAC100_MATH1:
         return s->math[1];
     case FTGMAC100_RXR_BADR:
-        return s->rx_ring;
+        return extract64(s->rx_ring, 0, 32);
     case FTGMAC100_NPTXR_BADR:
-        return s->tx_ring;
+        return extract64(s->tx_ring, 0, 32);
     case FTGMAC100_ITC:
         return s->itc;
     case FTGMAC100_DBLAC:
@@ -799,9 +819,8 @@ static void ftgmac100_write(void *opaque, hwaddr addr,
                           HWADDR_PRIx "\n", __func__, value);
             return;
         }
-
-        s->rx_ring = value;
-        s->rx_descriptor = s->rx_ring;
+        s->rx_ring = deposit64(s->rx_ring, 0, 32, value);
+        s->rx_descriptor = deposit64(s->rx_descriptor, 0, 32, value);
         break;
 
     case FTGMAC100_RBSR: /* DMA buffer size */
@@ -814,8 +833,8 @@ static void ftgmac100_write(void *opaque, hwaddr addr,
                           HWADDR_PRIx "\n", __func__, value);
             return;
         }
-        s->tx_ring = value;
-        s->tx_descriptor = s->tx_ring;
+        s->tx_ring = deposit64(s->tx_ring, 0, 32, value);
+        s->tx_descriptor = deposit64(s->tx_descriptor, 0, 32, value);
         break;
 
     case FTGMAC100_NPTXPD: /* Trigger transmit */
@@ -914,6 +933,60 @@ static void ftgmac100_write(void *opaque, hwaddr addr,
     ftgmac100_update_irq(s);
 }
 
+static uint64_t ftgmac100_high_read(void *opaque, hwaddr addr, unsigned size)
+{
+    FTGMAC100State *s = FTGMAC100(opaque);
+    uint64_t val = 0;
+
+    switch (addr) {
+    case FTGMAC100_NPTXR_BADR_HIGH:
+        val = extract64(s->tx_ring, 32, 32);
+        break;
+    case FTGMAC100_HPTXR_BADR_HIGH:
+        /* High Priority Transmit Ring Base High Address */
+        qemu_log_mask(LOG_UNIMP, "%s: read to unimplemented register 0x%"
+                      HWADDR_PRIx "\n", __func__, addr);
+        break;
+    case FTGMAC100_RXR_BADR_HIGH:
+        val = extract64(s->rx_ring, 32, 32);
+        break;
+    default:
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad address at offset 0x%"
+                      HWADDR_PRIx "\n", __func__, addr);
+        break;
+    }
+
+    return val;
+}
+
+static void ftgmac100_high_write(void *opaque, hwaddr addr,
+                          uint64_t value, unsigned size)
+{
+    FTGMAC100State *s = FTGMAC100(opaque);
+
+    switch (addr) {
+    case FTGMAC100_NPTXR_BADR_HIGH:
+        s->tx_ring = deposit64(s->tx_ring, 32, 32, value);
+        s->tx_descriptor = deposit64(s->tx_descriptor, 32, 32, value);
+        break;
+    case FTGMAC100_HPTXR_BADR_HIGH:
+        /* High Priority Transmit Ring Base High Address */
+        qemu_log_mask(LOG_UNIMP, "%s: write to unimplemented register 0x%"
+                      HWADDR_PRIx "\n", __func__, addr);
+        break;
+    case FTGMAC100_RXR_BADR_HIGH:
+        s->rx_ring = deposit64(s->rx_ring, 32, 32, value);
+        s->rx_descriptor = deposit64(s->rx_descriptor, 32, 32, value);
+        break;
+    default:
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad address at offset 0x%"
+                      HWADDR_PRIx "\n", __func__, addr);
+        break;
+    }
+
+    ftgmac100_update_irq(s);
+}
+
 static int ftgmac100_filter(FTGMAC100State *s, const uint8_t *buf, size_t len)
 {
     unsigned mcast_idx;
@@ -957,9 +1030,9 @@ static ssize_t ftgmac100_receive(NetClientState *nc, const uint8_t *buf,
     FTGMAC100State *s = FTGMAC100(qemu_get_nic_opaque(nc));
     FTGMAC100Desc bd;
     uint32_t flags = 0;
-    uint32_t addr;
+    uint64_t addr;
     uint32_t crc;
-    uint32_t buf_addr;
+    uint64_t buf_addr = 0;
     uint8_t *crc_ptr;
     uint32_t buf_len;
     size_t size = len;
@@ -1024,7 +1097,12 @@ static ssize_t ftgmac100_receive(NetClientState *nc, const uint8_t *buf,
         if (size < 4) {
             buf_len += size - 4;
         }
+
         buf_addr = bd.des3;
+        if (s->dma64) {
+            buf_addr = deposit64(buf_addr, 32, 32,
+                                 FTGMAC100_RXDES2_RXBUF_BADR_HI(bd.des2));
+        }
         if (first && proto == ETH_P_VLAN && buf_len >= 18) {
             bd.des1 = lduw_be_p(buf + 14) | FTGMAC100_RXDES1_VLANTAG_AVAIL;
 
@@ -1078,6 +1156,14 @@ static const MemoryRegionOps ftgmac100_ops = {
     .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
+static const MemoryRegionOps ftgmac100_high_ops = {
+    .read = ftgmac100_high_read,
+    .write = ftgmac100_high_write,
+    .valid.min_access_size = 4,
+    .valid.max_access_size = 4,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
 static void ftgmac100_cleanup(NetClientState *nc)
 {
     FTGMAC100State *s = FTGMAC100(qemu_get_nic_opaque(nc));
@@ -1107,9 +1193,23 @@ static void ftgmac100_realize(DeviceState *dev, Error **errp)
         s->rxdes0_edorr = FTGMAC100_RXDES0_EDORR;
     }
 
-    memory_region_init_io(&s->iomem, OBJECT(dev), &ftgmac100_ops, s,
-                          TYPE_FTGMAC100, 0x2000);
-    sysbus_init_mmio(sbd, &s->iomem);
+    memory_region_init(&s->iomem_container, OBJECT(s),
+                       TYPE_FTGMAC100 ".container", FTGMAC100_MEM_SIZE);
+    sysbus_init_mmio(sbd, &s->iomem_container);
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &ftgmac100_ops, s,
+                          TYPE_FTGMAC100 ".regs", FTGMAC100_REG_MEM_SIZE);
+    memory_region_add_subregion(&s->iomem_container, 0x0, &s->iomem);
+
+    if (s->dma64) {
+        memory_region_init_io(&s->iomem_high, OBJECT(s), &ftgmac100_high_ops,
+                              s, TYPE_FTGMAC100 ".regs.high",
+                              FTGMAC100_REG_HIGH_MEM_SIZE);
+        memory_region_add_subregion(&s->iomem_container,
+                                    FTGMAC100_REG_HIGH_OFFSET,
+                                    &s->iomem_high);
+    }
+
     sysbus_init_irq(sbd, &s->irq);
     qemu_macaddr_default_if_unset(&s->conf.macaddr);
 
@@ -1121,18 +1221,14 @@ static void ftgmac100_realize(DeviceState *dev, Error **errp)
 
 static const VMStateDescription vmstate_ftgmac100 = {
     .name = TYPE_FTGMAC100,
-    .version_id = 1,
-    .minimum_version_id = 1,
+    .version_id = 2,
+    .minimum_version_id = 2,
     .fields = (const VMStateField[]) {
         VMSTATE_UINT32(irq_state, FTGMAC100State),
         VMSTATE_UINT32(isr, FTGMAC100State),
         VMSTATE_UINT32(ier, FTGMAC100State),
         VMSTATE_UINT32(rx_enabled, FTGMAC100State),
-        VMSTATE_UINT32(rx_ring, FTGMAC100State),
         VMSTATE_UINT32(rbsr, FTGMAC100State),
-        VMSTATE_UINT32(tx_ring, FTGMAC100State),
-        VMSTATE_UINT32(rx_descriptor, FTGMAC100State),
-        VMSTATE_UINT32(tx_descriptor, FTGMAC100State),
         VMSTATE_UINT32_ARRAY(math, FTGMAC100State, 2),
         VMSTATE_UINT32(itc, FTGMAC100State),
         VMSTATE_UINT32(aptcr, FTGMAC100State),
@@ -1151,6 +1247,10 @@ static const VMStateDescription vmstate_ftgmac100 = {
         VMSTATE_UINT32(phy_int_mask, FTGMAC100State),
         VMSTATE_UINT32(txdes0_edotr, FTGMAC100State),
         VMSTATE_UINT32(rxdes0_edorr, FTGMAC100State),
+        VMSTATE_UINT64(rx_ring, FTGMAC100State),
+        VMSTATE_UINT64(tx_ring, FTGMAC100State),
+        VMSTATE_UINT64(rx_descriptor, FTGMAC100State),
+        VMSTATE_UINT64(tx_descriptor, FTGMAC100State),
         VMSTATE_END_OF_LIST()
     }
 };
@@ -1158,6 +1258,7 @@ static const VMStateDescription vmstate_ftgmac100 = {
 static Property ftgmac100_properties[] = {
     DEFINE_PROP_BOOL("aspeed", FTGMAC100State, aspeed, false),
     DEFINE_NIC_PROPERTIES(FTGMAC100State, conf),
+    DEFINE_PROP_BOOL("dma64", FTGMAC100State, dma64, false),
     DEFINE_PROP_END_OF_LIST(),
 };